CN104001976A - Manufacturing method of double-interface card, groove milling method and groove milling device of card base of double-interface card - Google Patents
Manufacturing method of double-interface card, groove milling method and groove milling device of card base of double-interface card Download PDFInfo
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- CN104001976A CN104001976A CN201410253672.3A CN201410253672A CN104001976A CN 104001976 A CN104001976 A CN 104001976A CN 201410253672 A CN201410253672 A CN 201410253672A CN 104001976 A CN104001976 A CN 104001976A
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Abstract
The invention discloses a manufacturing method of a double-interface card, a groove milling method of and a groove milling device of a card base of a double-interface card. The groove milling method of the card base comprises the following steps: S1. for the card base of the double-interface card, measuring the distance from a card base coil to the front surface of the card base and determining the depth of the milling groove; and S2. carrying out groove milling operation according to the depth of the milling groove. By adopting the scheme, the problem that a wire head is removed by milling due to an over deep mill groove or the wire head cannot be picked out due to a milling groove which is not deep enough is avoided and the market application valve is quite high.
Description
Technical field
The present invention relates to the manufacture of double-interface card, in particular, a kind of card base groove milling method of manufacture method of double-interface card, double-interface card and the card base groove milling equipment of double-interface card.
Background technology
Double-interface card based on single-chip, integrate contact and the smart card of non-contact interface, it has two modes of operation: chip contact and radio frequency induction formula.The Ka Jinei of double-interface card is provided with antenna and chip, antenna is sandwiched in Ka Jinei, chip be embedded in card primary surface and contact outside exposed, the two ends of antenna are connected with chip welding spot, the electromagnetic wave of launching by antenna reception card reader is realized noncontact Card Reader, contacts realize contact Card Reader by chip contacts with card reader contact.
Double-interface card production process comprises groove milling, take-up, welding and encapsulation, inlays chip position carry out groove milling at card base, and antenna the end of a thread is out exposed, by take-up folder, the end of a thread is chosen, and is connected, then encapsulates with chip welding spot.
In groove milling, can relate to the weight of a groove milling.On old-fashioned two interface groove milling take-up machines, be all by a depth of milled groove is manually set, but this is irrational, because the degree of depth of card base Inside coil when planting line lamination is subject to the impact of several factors, so its coil degree of depth is unfixed.
So old-fashioned two interface groove milling take-up machines exist groove milling to cross dark and the end of a thread mill off and groove milling are not found out to the destabilizing factors such as the end of a thread not deeply.
Therefore, there is defect in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is to provide the card base groove milling equipment of a kind of manufacture method of new double-interface card, the card base groove milling method of double-interface card and double-interface card.
Technical scheme of the present invention is as follows: a kind of card base groove milling method of double-interface card, and it comprises the following steps: S1, the card base to double-interface card, test card lubber ring, to the distance of card base front surface, is determined depth of milled groove; S2, carries out groove milling operation according to described depth of milled groove.
Preferably, in described card base groove milling method, in step S1, by perspective, detect described distance.
Preferably, in described card base groove milling method, in step S1, milling card base also detects described distance.
Preferably, in described card base groove milling method, before step S1, carry out following steps S0: described card base is placed in to alternating electromagnetic field; Step S1 comprises the following steps: S101, the milling tool card base of employing High Rotation Speed; S102, when the blade of described milling cutter touches card base Inside coil, described blade periodically touches two rear line heads of described Inside coil simultaneously, produces transient current; S103, described transient current produces periodic milling cutter coil electromagnetism field, produces alternation induced-current at induction coil place; S104, while described alternation induced-current being detected, controls described milling cutter and stops milling card base, calculates described distance, determines depth of milled groove.
Preferably, in described card base groove milling method, step S1 comprises the following steps: S111, the milling tool card base of employing High Rotation Speed; S112, when the anodal blade of described milling cutter and negative pole blade touch respectively two rear line head of card base Inside coil, conducting sensor circuit, output termination signal; S113, while receiving described termination signal, controls described milling cutter and stops, and calculates described distance, determines depth of milled groove.
Preferably, in described card base groove milling method, before step S1, by having an X-rayed, determine preliminary milling depth; In step S1, according to described preliminary milling depth, directly milling card base, to described preliminary milling depth, then continues milling card base and detects described distance.
Another technical scheme of the present invention is as follows: a kind of manufacture method of double-interface card, comprise groove milling, take-up, welding and encapsulation step, and in described groove milling step, comprise arbitrary above-mentioned card base groove milling method.
Another technical scheme of the present invention is as follows: a kind of card base groove milling equipment of double-interface card, and it comprises checkout gear, calculation element and the slotting attachment being linked in sequence; Described checkout gear, for the card base of double-interface card is detected, obtains card lubber ring to the distance of card base front surface, is transferred to described calculation element; Described calculation element is for calculating depth of milled groove according to described distance; Described slotting attachment is for carrying out groove milling operation according to described depth of milled groove.
Preferably, in described card base groove milling equipment, described checkout gear arranges fluoroscopy units, and it detects described distance by perspective.
Preferably, in described card base groove milling equipment, described checkout gear also arranges induction coil and current inductor thereof, and the AC coil of external AC power supply; Described slotting attachment arranges milling cutter and rotary unit and control module; Described rotary unit is for milling cutter described in High Rotation Speed; Described AC coil is for generation of alternating electromagnetic field; Described milling cutter is for milling card base, and when its blade touches card base Inside coil to be detected, described blade periodically touches two rear line heads of described Inside coil simultaneously, produces transient current; Described induction coil is for producing periodic milling cutter coil electromagnetism field according to described transient current, and generation alternation induced-current; Described control module, for according to described alternation induced-current, is controlled described milling cutter and is stopped milling card base, notifies described checkout gear, by it, calculates described distance.
Adopt such scheme, the present invention detects the card lubber ring of double-interface card to the distance of card base front surface, after determining depth of milled groove, according to described depth of milled groove, carry out groove milling operation again, avoided groove milling to cross dark and the end of a thread mill off or groove milling have not been found out to the end of a thread not deeply, having there is very high market using value.
Accompanying drawing explanation
Fig. 1 is the double-interface card structural representation of one embodiment of the present of invention;
Fig. 2 is that the perspective of an embodiment of the inventive method detects schematic diagram;
Fig. 3 is that the electromagnetic induction of an embodiment of the inventive method detects schematic diagram;
Fig. 4 is the G-G part enlarged diagram of Fig. 3;
Fig. 5 is that the contact induction of one embodiment of the present of invention detects schematic diagram;
Fig. 6 is the J-J part enlarged diagram of Fig. 5;
Fig. 7 is the contact induction circuit diagram of Fig. 5.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
One embodiment of the present of invention are, a kind of card base groove milling method of double-interface card, and it comprises the following steps.
S1, the card base to double-interface card, test card lubber ring, to the distance of card base front surface, is determined depth of milled groove; For example adopt perspective detection, electromagnetic induction to detect and/or milling cutter both positive and negative polarity contact detecting method, test card lubber ring is to the distance of card base front surface.As shown in Figure 1, double-interface card comprises card base 2, some circle aerial coils 3 are wherein set, the two ends of coil 3 connect chip 25, antenna is sandwiched in Ka Jinei, chip be embedded in card primary surface and contact outside exposed, the two ends of antenna are connected with chip welding spot, the electromagnetic wave of launching by antenna reception card reader is realized noncontact Card Reader, contacts realize contact Card Reader by chip contacts with card reader contact.Preferably, determine that depth of milled groove is not more than described distance; For example, test card lubber ring is 0.3 millimeter to the distance of card base front surface, determines that depth of milled groove is 0.28 millimeter or 0.3 millimeter; And for example, test card lubber ring is 0.38 millimeter to the distance of card base front surface, determines that depth of milled groove is 0.32 millimeter, 0.34 millimeter or 0.36 millimeter; Preferably, described depth of milled groove is less 0.1 to 0.2 millimeter than described distance.Described card base front surface is that double-interface card is with respect in follow-up groove milling operating procedure, towards the one side of the blade of groove milling operation institute employing milling cutter.
S2, carries out groove milling operation according to described depth of milled groove.For example, depth of milled groove is 0.28 to 0.55 millimeter; For example, depth of milled groove is 0.3,0.35,0.4 or 0.5 millimeter, directly at card base, inlay chip position groove milling, avoided groove milling to cross dark and the end of a thread mill off or groove milling have not been found out to the end of a thread not deeply, can be fast that antenna the end of a thread is out exposed, then carry out follow-up step, for example by take-up folder, the end of a thread is chosen, be connected with chip welding spot, then encapsulate.
Preferably, in step S1, by perspective, detect described distance.As shown in Figure 2, perspective camera lens 4 transmitting perspective rays, irradiate the front of double-interface card, perspective ray penetrate at least partly card base 2, due to Ka Ji and coil 3 materials different, penetrability is also different, so can see shallow dark alternate line on reception screen, measure coil to the distance 5 of card face through data processor, i.e. S, thereby definite depth of milled groove.Preferably, adopt arrangement for perspective, by its photoscope hair, penetrate perspective ray; Preferably, described arrangement for perspective arranges described reception screen.
Preferably, in step S1, milling card base also detects described distance.For example, on one side milling card base, described distance detected on one side.And for example, milling card base, then detects described distance.And for example, first high-speed milling card base milling card base at a slow speed again.Preferably, in step S1, when milling card base, detect in real time described distance and determine described depth of milled groove.
Preferably, before step S1, carry out following steps S0: described card base is placed in to alternating electromagnetic field, and now, the coil of Ka Jinei is subject to this alternating electromagnetism field action, and wherein magnetic flux changes, thereby produce electromotive force; It should be noted that, it will be appreciated by those skilled in the art that each related embodiment of the present invention does not limit specific implementation and the numerical value of this alternating electromagnetic field, only need to produce relevant detectable electromotive force, can be used for next step.
For example, adopt electromagnetic induction detection method, step S1 comprises the following steps: S101, the milling tool card base of employing High Rotation Speed; Each related embodiment of the present invention does not limit the rotary speed of this milling cutter, it will be appreciated by those skilled in the art that only needing it can reach milling card base and non-destructive affects the operation of subsequent step; The groove milling operation common application of step S101 in can integrating step S2, as the part of groove milling operation or be called preorder operation.S102, when the blade of described milling cutter touches card base Inside coil, described blade periodically touches two rear line heads of described Inside coil simultaneously, produces transient current; Preferably, described milling cutter has circular arc, Y-shaped, U font or V font blade, has two arms; Two rear line heads of aerial coil separate, and for a rear line head, it first contacts an arm of blade, then contact another arm, with this loop cycle, thereby produce transient current at described aerial coil, cycle is definite by the rotating speed of milling cutter, and the present invention does not make additional limits to this.S103, described transient current produces periodic milling cutter coil electromagnetism field, produces alternation induced-current at induction coil place; Induction coil and aerial coil are contiguous to be arranged, for generation of detectable alternation induced-current.S104, while described alternation induced-current being detected, controls described milling cutter and stops milling card base, calculates described distance, determines depth of milled groove.For example, while described alternation induced-current being detected by indicating circuit, control system is controlled described milling cutter and is stopped milling card base, calculates described distance, determines depth of milled groove, then carries out next step.
For example, as shown in Figure 3 and Figure 4, the alternating current of connecting 24V to coil 6, the aerial coil 9 in card base 7 is in the magnetic field of a variation, and the magnetic flux in card lubber ring is also ceaselessly changing, and at this moment the aerial coil two ends of Ka Jinei will produce an electromotive force.Milling cutter 11 is at climb milling card base, when the blade of milling cutter touches two rear line heads 12 and 13 of card base Inside coil simultaneously, aerial coil will form a closed-loop path, produce a transient current, this electric current produces a magnetic field, and milling cutter is High Rotation Speed, so this magnetic field is to have or not alternately to change.At this moment induction coil 9 is also in the magnetic field of a variation, magnetic flux through induction coil 9 is also alternately to change, induction coil 9 inside will produce an alternating current, micro-current inductor 11 will sense this electric current, outwards transmit a termination signal milling cutter and will stop climb milling card base, by data processor, calculate depth of milled groove.Preferably, indicating circuit 10 is also set in induction coil 9, for example, it comprises a LED light, is used to indicate described alternating current.
And for example, adopt milling cutter both positive and negative polarity contact detecting method, step S1 comprises the following steps: S111, the milling tool card base of employing High Rotation Speed; Described milling cutter has two blades, and between described two blades, insulation arranges, blade as anodal blade, another blade as negative pole blade.Preferably, described milling cutter has circular arc, Y-shaped, U font or V font blade, has two arms, and each arm or its end are as described blade; And insulation arranges between two arm.S112, when the anodal blade of described milling cutter and negative pole blade touch respectively two rear line head of card base Inside coil, conducting sensor circuit, output termination signal; S113, while receiving described termination signal, controls described milling cutter and stops, and calculates described distance, determines depth of milled groove.
For example, milling cutter both positive and negative polarity contact detection is as shown in Fig. 5, Fig. 6 and Fig. 7, and milling cutter used is special, comprises anodal blade 18, the negative pole blade 20 of mutually insulated.Each blade is embedded on insulation handle of a knife 16, between both positive and negative polarity blade, has certain interval, mainly by the first brush 17, the second brush 19, is connected with external circuit 21.Milling cutter High Rotation Speed climb milling card base 14, when two blades touch respectively first the end of a thread 23, second the end of a thread 24 of card base aerial coil 15, external circuit is connected, sensor 22 work, export a termination signal, milling cutter stops climb milling, by data processor, calculates depth of milled groove.
Preferably, be combined application with the various embodiments described above, in described card base groove milling method, before step S1, by having an X-rayed, determine preliminary milling depth; In step S1, according to described preliminary milling depth, directly milling card base, to described preliminary milling depth, then continues milling card base and detects described distance.Like this, can realize fast roughly location, then directly high-speed milling, to described preliminary milling depth, then slows down and continues milling card base and detect described distance, has improved production efficiency.
A manufacture method for double-interface card, comprises groove milling, take-up, welding and encapsulation step, in described groove milling step, comprises described in above-mentioned arbitrary embodiment and blocks base groove milling method, then carries out follow-up take-up, welding and encapsulation step.
A card base groove milling equipment for double-interface card, comprises the checkout gear, calculation element and the slotting attachment that are linked in sequence; Described checkout gear, for the card base of double-interface card is detected, obtains card lubber ring to the distance of card base front surface, is transferred to described calculation element; Described calculation element is for calculating depth of milled groove according to described distance; Described slotting attachment is for carrying out groove milling operation according to described depth of milled groove.Preferably, described slotting attachment arranges milling cutter and rotary unit and control module; Described control module connects described rotary unit, for controlling milling cutter described in described rotary unit High Rotation Speed.
Preferably, described card base groove milling equipment also comprises frame, and described checkout gear, described calculation element and described slotting attachment are individually fixed in described frame.Preferably, described frame arranges roller set and fixed part thereof, and roller set is for mobile described frame, and fixed part rolls for limit roller set when it is enabled.Preferably, in described roller set, each roller arranges respectively a quick release valve, for releasing the air of its corresponding roller inside.
Preferably, in described card base groove milling equipment, described frame arranges card fixture; For example, card fixture comprises a fixed part and a movable part of rectangular shaped, by the combination of fixed part and movable part, limits the position of pending double-interface card.Preferably, described card fixture is a groove.Pending double-interface card is arranged in described groove.Preferably, the shape of described groove is similar to the shape of described double-interface card, and the length of described groove and width are respectively than many 0.6 to 1.3 millimeter of the length of described double-interface card and width.
Preferably, in described card base groove milling equipment, described frame also arranges card mount, and it carries stacked double-interface card.Preferably, described card mount arranges the first transport tape and control module, and the bottom of described groove arranges magnetic portion, sensing unit, and described frame also arranges the second transport tape, and described groove only arranges two parallel raised lines; Described in sensing units sense, on groove, there is no double-interface card, send a signal of telecommunication to described control module, control module control card horse is opened and is exported and push a double-interface card to the first transport tape, the first transport tape is transferred to this double-interface card the centre of two parallel raised lines, by milling cutter, according to described depth of milled groove, carrying out groove milling operates, then by the second transport tape transmission, leave described groove, continue next double-interface card of circular treatment.Preferably, described frame also arranges take-up folder, for exposed out time at antenna the end of a thread, by take-up folder, the end of a thread is chosen.
Preferably, in described card base groove milling equipment, described checkout gear arranges fluoroscopy units, and it detects described distance by perspective.For example, fluoroscopy units comprises a perspective camera lens and drive unit thereof, display unit, and drive unit is used for driving photoscope hair to penetrate perspective ray, and display unit is for showing the perspective result of having an X-rayed ray.
Preferably, in described card base groove milling equipment, described checkout gear also arranges induction coil and current inductor thereof, and the AC coil of external AC power supply; Described slotting attachment arranges milling cutter and rotary unit and control module; Described rotary unit is for milling cutter described in High Rotation Speed; Described AC coil is for generation of alternating electromagnetic field; Described milling cutter is for milling card base, and when its blade touches card base Inside coil to be detected, described blade periodically touches two rear line heads of described Inside coil simultaneously, produces transient current; Described induction coil is for producing periodic milling cutter coil electromagnetism field according to described transient current, and generation alternation induced-current; Described control module, for according to described alternation induced-current, is controlled described milling cutter and is stopped milling card base, notifies described checkout gear, by it, calculates described distance.
Preferably, in described card base groove milling equipment, described milling cutter mutually insulated arranges anodal blade and negative pole blade; Described milling cutter is for milling card base, when its anodal blade and negative pole blade touch respectively two rear line head of card base Inside coil, and conducting sensor circuit, output termination signal; Described control module, for according to described termination signal, is controlled described milling cutter and is stopped milling card base, notifies described checkout gear, by it, calculates described distance.
In conjunction with the above-mentioned arbitrary embodiment of application, another embodiment of the present invention is as follows: a kind of manufacturing equipment of double-interface card, it comprises as above-mentioned arbitrary card base groove milling equipment, card base groove milling equipment be linked in sequence take-up equipment, welding equipment and sealed in unit, thereby realize pipelining, integral body realizes groove milling step, and follow-up take-up, welding and encapsulation step.
For example, block base groove milling method described in various embodiments of the present invention, as double-interface card lubber ring depth detection method, be applied on two automatic take-up machines of interface groove milling, before being positioned at two stations of groove milling and take-up.Its effect is to measure card lubber ring to the distance in card base front before the groove milling of card base, determines a depth of milled groove, avoids milling in groove milling to coil, to cause take-up failure.
Further, embodiments of the invention also comprise, each technical characterictic of the various embodiments described above, the card base groove milling method of the manufacture method of the double-interface card being mutually combined to form, double-interface card and the card base groove milling equipment of double-interface card.Like this, can effectively solve groove milling and cross dark and the end of a thread mill off and groove milling are not found out to the problems such as the end of a thread not deeply, improve widely the stability of two interface groove milling take-up machines or the production procedure of two interface groove milling take-up.
It should be noted that, above-mentioned each technical characterictic continues combination mutually, forms the various embodiment that do not enumerate in the above, is all considered as the scope that description of the present invention is recorded; And, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a card base groove milling method for double-interface card, is characterized in that, comprises the following steps:
S1, the card base to double-interface card, test card lubber ring, to the distance of card base front surface, is determined depth of milled groove;
S2, carries out groove milling operation according to described depth of milled groove.
2. block according to claim 1 base groove milling method, it is characterized in that, in step S1, by perspective, detect described distance.
3. block according to claim 1 base groove milling method, it is characterized in that, in step S1, milling card base also detects described distance.
4. block according to claim 3 base groove milling method, it is characterized in that, before step S1, carry out following steps S0: described card base is placed in to alternating electromagnetic field;
Step S1 comprises the following steps:
S101, the milling tool card base of employing High Rotation Speed;
S102, when the blade of described milling cutter touches card base Inside coil, described blade periodically touches two rear line heads of described Inside coil simultaneously, produces transient current;
S103, described transient current produces periodic milling cutter coil electromagnetism field, produces alternation induced-current at induction coil place;
S104, while described alternation induced-current being detected, controls described milling cutter and stops milling card base, calculates described distance, determines depth of milled groove.
5. block according to claim 3 base groove milling method, it is characterized in that, step S1 comprises the following steps:
S111, the milling tool card base of employing High Rotation Speed;
S112, when the anodal blade of described milling cutter and negative pole blade touch respectively two rear line head of card base Inside coil, conducting sensor circuit, output termination signal;
S113, while receiving described termination signal, controls described milling cutter and stops, and calculates described distance, determines depth of milled groove.
6. block according to claim 4 base groove milling method, it is characterized in that, before step S1, by having an X-rayed, determine preliminary milling depth;
In step S1, according to described preliminary milling depth, directly milling card base, to described preliminary milling depth, then continues milling card base and detects described distance.
7. a manufacture method for double-interface card, comprises groove milling, take-up, welding and encapsulation step, it is characterized in that, in described groove milling step, comprise as arbitrary in claim 1 to 6 as described in card base groove milling method.
8. a card base groove milling equipment for double-interface card, is characterized in that, comprises the checkout gear, calculation element and the slotting attachment that are linked in sequence;
Described checkout gear, for the card base of double-interface card is detected, obtains card lubber ring to the distance of card base front surface, is transferred to described calculation element;
Described calculation element is for calculating depth of milled groove according to described distance;
Described slotting attachment is for carrying out groove milling operation according to described depth of milled groove.
9. block according to claim 8 base groove milling equipment, it is characterized in that, described checkout gear arranges fluoroscopy units, and it detects described distance by perspective.
10. block according to claim 8 base groove milling equipment, it is characterized in that, described checkout gear also arranges induction coil and current inductor thereof, and the AC coil of external AC power supply;
Described slotting attachment arranges milling cutter and rotary unit and control module;
Described rotary unit is for milling cutter described in High Rotation Speed;
Described AC coil is for generation of alternating electromagnetic field;
Described milling cutter is for milling card base, and when its blade touches card base Inside coil to be detected, described blade periodically touches two rear line heads of described Inside coil simultaneously, produces transient current;
Described induction coil is for producing periodic milling cutter coil electromagnetism field according to described transient current, and generation alternation induced-current;
Described control module, for according to described alternation induced-current, is controlled described milling cutter and is stopped milling card base, notifies described checkout gear, by it, calculates described distance.
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