CN116078749A - Plasma cleaning equipment and cleaning method for smart card carrier tape - Google Patents
Plasma cleaning equipment and cleaning method for smart card carrier tape Download PDFInfo
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- CN116078749A CN116078749A CN202211090221.3A CN202211090221A CN116078749A CN 116078749 A CN116078749 A CN 116078749A CN 202211090221 A CN202211090221 A CN 202211090221A CN 116078749 A CN116078749 A CN 116078749A
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- carrier tape
- smart card
- wheel disc
- card carrier
- unreeling
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- 238000004140 cleaning Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 125
- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 238000004806 packaging method and process Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 42
- 238000003860 storage Methods 0.000 claims description 40
- 238000007599 discharging Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 6
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- 238000005538 encapsulation Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 4
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- 238000003825 pressing Methods 0.000 description 12
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- 230000001360 synchronised effect Effects 0.000 description 5
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- 238000004026 adhesive bonding Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Cleaning In General (AREA)
Abstract
The application belongs to the technical field of smart card packaging, and particularly relates to a smart card carrier tape plasma cleaning device and a cleaning method. The cleaning equipment comprises an unreeling mechanism (1), a plasma cleaning mechanism (2), a control panel (3), a carrier tape transmission mechanism (4) and a reeling mechanism (5), wherein the smart card carrier tape (61) and the protective tape (62) which are adhered together are released through the unreeling mechanism (1), the smart card carrier tape (61) is conveyed through the carrier tape transmission mechanism (4), the plasma cleaning mechanism (2) above the carrier tape transmission mechanism (4) cleans, and finally the reeling mechanism (5) combines a prepared new protective tape (62) with the smart card carrier tape (61). The intelligent card carrier tape can be automatically subjected to plasma cleaning, impurities on the surface of the carrier tape are removed, gold wire tension of a wire bonding process and package adhesive diffusivity of an encapsulation process are increased, and the product yield is improved.
Description
Technical Field
The application belongs to the technical field of smart card packaging, and particularly relates to a smart card carrier tape plasma cleaning device and a cleaning method.
Background
The smart card carrier tape is a main raw material in a smart card module package and is a tape-type lead frame. During the production, transportation, storage and later module processing of the smart card carrier, some dirt can accumulate on the surface of the smart card carrier. In the process of packaging the intelligent card module, abnormal conditions such as wire warpage at the welding spot position of the module, open welding of the welding spot, insufficient gold wire tension and the like occur in the wire bonding process because dirt is attached to the position of the carrying pad; the encapsulation process has the quality problems of exposed module components, unqualified module appearance and the like due to poor diffusivity of encapsulation glue caused by dirt on an encapsulation surface. The problem of dirt on the surface of the smart card carrier tape seriously affects the product quality of the smart card module, and reduces the production efficiency.
Disclosure of Invention
In order to solve the technical problem, the application provides a smart card carrier tape plasma cleaning device, before the smart card module encapsulation, the plasma cleaning of smart card carrier tape is accomplished automatically, gets rid of surface impurity, increases golden wire pulling force and encapsulation diffusivity of gluing, improves the production yield of smart card module.
The first aspect of the present application provides a smart card carrier tape plasma cleaning device, mainly comprising:
the unreeling mechanism comprises a driving unreeling wheel disc mechanism driven by a motor and a driven unreeling wheel disc mechanism with certain rotation resistance, wherein a first plastic wheel disc provided with a smart card carrier tape and a protective tape is arranged on the driven unreeling wheel disc mechanism, the protective tape bonded with the smart card carrier tape is torn off and extends upwards to be reeled on a second plastic wheel disc arranged on the driving unreeling wheel disc mechanism, and the smart card carrier tape extends downwards and falls into an unreeling storage box below;
the winding mechanism comprises a driving winding wheel disc mechanism driven by a motor and a driven winding wheel disc mechanism with certain rotation resistance, a third plastic wheel disc provided with a new protection belt is arranged on the driven winding wheel disc mechanism, the new protection belt of the driven winding wheel disc mechanism extends downwards to be adhered with an intelligent card carrier belt extending from a winding storage box below the driving winding wheel disc mechanism, and is wound on a fourth plastic wheel disc arranged on the driving winding wheel disc mechanism;
the carrier tape conveying mechanism comprises a feeding track in butt joint with the unreeling storage box and a discharging track in butt joint with the reeling storage box, a carrier tape cleaning platform and a carrier tape stepping mechanism are arranged between the feeding track and the discharging track, and a smart card carrier tape extends out from the bottom end of the unreeling storage box and extends into the reeling storage box through the inside of a track defined by the feeding track, the carrier tape cleaning platform, the carrier tape stepping mechanism and the discharging track;
the plasma cleaning machine is arranged above the carrier belt cleaning platform and is provided with a plasma cleaning spray head facing the carrier belt cleaning platform.
Preferably, the first plastic wheel disc is arranged on the driven unreeling wheel disc mechanism through a first manual expansion shaft, the first manual expansion shaft is connected with a brake through a first coupler, braking torque is provided through the brake, the second plastic wheel disc is arranged on the driving unreeling wheel disc mechanism through a second manual expansion shaft, and the second manual expansion shaft is connected with the unreeling motor through a second coupler.
Preferably, the unreeling storage box is provided with a plurality of unreeling sensors from top to bottom, and the unreeling sensors are used for detecting the positions of the smart card carrier tapes in the unreeling storage box and further controlling the active unreeling wheel disc mechanism to rotate.
Preferably, the carrier tape stepping mechanism comprises a stepping base, a stepping track is arranged on the stepping base, a notch is arranged in the middle of the stepping track, a stepping lower roller is arranged at the notch, a stepping upper roller is arranged above the stepping lower roller, the smart card carrier tape passes through the space between the stepping upper roller and the stepping lower roller, and a servo motor for driving the stepping lower roller to rotate is further arranged on the base.
Preferably, the stepping upper roller is arranged on the pressing mechanism, one end of the pressing mechanism is hinged to a support column on the stepping base, the other end of the pressing mechanism is connected to the stepping base through a pressing spring, and the pressing spring is in a tensioning state so as to pull the stepping upper roller to press the smart card carrier tape on the stepping lower roller.
Preferably, the plasma cleaning nozzle of the plasma cleaning machine is slidably mounted on the nozzle mounting frame, the nozzle mounting frame comprises a vertical beam and a cross beam, the vertical beam and the cross beam are both provided with rails, the cross beam is slidably arranged on the vertical beam, and the plasma cleaning nozzle is slidably arranged on the cross beam.
Preferably, the bottom end of the spray head mounting frame is also fixed with a protective cover, the protective cover is opened up and down, the lower end opening is right opposite to the carrier belt cleaning platform, the plasma cleaning spray head moves above the protective cover, a nozzle of the plasma cleaning spray head extends into the protective cover from the upper end opening of the protective cover, and the protective cover is also connected with an exhaust fan.
Preferably, the smart card carrier plasma cleaning device further comprises a control panel, wherein the control panel comprises a touch screen and operation buttons, and the touch screen and the operation buttons are configured for manual operation of the device, setting of device parameters and display of device states.
The second aspect of the present application provides a method for cleaning a smart card carrier tape by using the above device for cleaning a smart card carrier tape, where the cleaning method includes:
step 2, fixing a third plastic wheel disc provided with a new protection belt on a driven rolling wheel disc mechanism, fixing an empty fourth plastic wheel disc on a driving rolling wheel disc mechanism, and winding and bonding the new protection belt on the fourth plastic wheel disc;
step 3, the smart card carrier tape is unreeled from the unreeling mechanism, passes through the carrier tape transmission mechanism and is adhered to a fourth plastic wheel disc of the reeling mechanism;
and 5, automatically unreeling by the unreeling mechanism according to the quantity of the intelligent card carrier tapes in the unreeling storage box, and automatically reeling by the reeling mechanism according to the quantity of the intelligent card carrier tapes in the reeling storage box.
And 6, after the discharging sensor monitors that the intelligent card carrier tape in the first plastic wheel disc is completely discharged, the equipment automatically stops running.
A third aspect of the present application provides a method for packaging a smart card module, comprising performing a plasma cleaning prior to packaging a smart card carrier tape.
The intelligent card carrier tape cleaning device can automatically clean the intelligent card carrier tape by plasma, remove impurities on the surface of the carrier tape, avoid the quality problems of wire warpage, welding spot open welding, insufficient gold wire tension, exposed module components, unqualified module appearance and the like of the module welding spot position caused by dirt on the surface of the carrier tape, and improve the product yield.
Drawings
Fig. 1 is a front view of the structure of a preferred embodiment of the smart card carrier plasma cleaning apparatus of the present application.
Fig. 2 is a schematic structural view of an unreeling mechanism of a preferred embodiment of the smart card carrier plasma cleaning apparatus of the present application.
Fig. 3 is a schematic structural view of a plasma cleaning machine of a preferred embodiment of the smart card carrier plasma cleaning apparatus of the present application.
Fig. 4 is a schematic view of a control panel structure of a preferred embodiment of the smart card carrier plasma cleaning apparatus of the present application.
Fig. 5 is a schematic view of a carrier tape transport mechanism of a preferred embodiment of the smart card carrier tape plasma cleaning apparatus of the present application.
Fig. 6 is a schematic driving view of a carrier tape transport mechanism of a preferred embodiment of the smart card carrier tape plasma cleaning apparatus of the present application.
Fig. 7 is a schematic structural view of a winding mechanism of a preferred embodiment of the smart card carrier plasma cleaning apparatus of the present application.
Fig. 8 is a schematic view of a smart card carrier tape of the present application.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the following describes the technical solutions in the embodiments of the present application in more detail with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The utility model provides an object provides a smart card carrier band plasma cleaning equipment adopts atmosphere low temperature plasma surface treatment technique, before smart card module encapsulation, accomplishes the plasma cleaning of smart card carrier band automatically, gets rid of surface impurity, increases golden silk pulling force and encapsulation diffusivity of gluing, improves the production yield of smart card module.
In the surface treatment technology of atmosphere low-temperature plasma, alternating current high-frequency high-voltage is applied to two ends of an electrode, so that air between the electrodes generates gas arc discharge to form a plasma region. The plasma reaches the surface of the object to be treated under the blowing of the air flow to change the surface morphology of the object to be treated, so that the surface is changed from nonpolar and difficultly viscous to have certain polarity, easy viscosity and hydrophilicity, and the bonding and coating are facilitated.
Referring to fig. 1 to 7, a first aspect of the present application provides a smart card carrier tape plasma cleaning apparatus, mainly including:
the unreeling mechanism 1 comprises a driving unreeling wheel disc mechanism 11 driven by a motor and a driven unreeling wheel disc mechanism 12 with a certain rotation resistance, a first plastic wheel disc 63 provided with a smart card carrier tape 61 and a protective tape 62 is arranged on the driven unreeling wheel disc mechanism 12, the protective tape 62 bonded with the smart card carrier tape 61 is torn off and extends upwards to be reeled on a second plastic wheel disc 64 arranged on the driving unreeling wheel disc mechanism 11, and the smart card carrier tape 61 extends downwards to fall in an unreeling storage box 14 below;
the winding mechanism 5 comprises a driving winding wheel disc mechanism 52 driven by a motor and a driven winding wheel disc mechanism 51 with a certain rotation resistance, a third plastic wheel disc 66 provided with a new protection belt 65 is arranged on the driven winding wheel disc mechanism 51, the new protection belt 65 of the driven winding wheel disc mechanism 51 extends downwards to be adhered with a smart card carrier tape 61 extending from a winding storage box 54 below the driving winding wheel disc mechanism 52, and is wound on a fourth plastic wheel disc 67 arranged on the driving winding wheel disc mechanism 52;
the carrier tape conveying mechanism 4 comprises a feeding track 41 in butt joint with the unreeling storage box 14 and a discharging track 44 in butt joint with the reeling storage box 54, a carrier tape cleaning platform 42 and a carrier tape stepping mechanism 43 are arranged between the feeding track 41 and the discharging track 44, a smart card carrier tape 61 extends out from the bottom end of the unreeling storage box 14 and extends into the reeling storage box 54 through the tracks defined by the feeding track 41, the carrier tape cleaning platform 42, the carrier tape stepping mechanism 43 and the discharging track 44;
the plasma cleaning machine 2 is arranged above the carrier tape cleaning platform 42 and is provided with a plasma cleaning nozzle 21 facing the carrier tape cleaning platform 42.
Referring to fig. 8, a smart card carrier tape 61 is a roll-to-roll lead frame, and in order to prevent a metal surface of the smart card carrier tape 61 from being scratched, the smart card carrier tape 61 and a protective tape 62 are wound together and stored on a plastic wheel.
In some alternative embodiments, the first plastic wheel 63 is mounted on the driven unreeling wheel mechanism 12 through a first manual expansion shaft 121, the first manual expansion shaft 121 is connected with a brake 123 through a first coupling 122, braking torque is provided through the brake 123, the first plastic wheel 63 is ensured not to automatically rotate under the action of no external force, the second plastic wheel 64 is mounted on the driving unreeling wheel mechanism 11 through a second manual expansion shaft 111, and the second manual expansion shaft 111 is connected with the unreeling motor 113 through a second coupling 112.
Referring to fig. 2, the protecting belt 62 is wound and adhered on the empty second plastic wheel disc 64 in advance, and when the unreeling motor 113 rotates, the empty second plastic wheel disc 64 is driven to rotate, the protecting belt 62 is continuously wound on the second plastic wheel disc 64, and finally the first plastic wheel disc 63 is driven to rotate, so that the smart card carrier tape 61 can continuously and downwards release under the action of gravity. When the unwind motor 113 stops rotating, the first plastic wheel 63 will stop rotating and the smart card carrier tape 61 will stop paying out downwards due to the braking torque provided by the brake 123.
In some alternative embodiments, the unreeling storage bin 14 is provided with a plurality of unreeling sensors 15,16,17 from top to bottom, which are used for detecting the position of the smart card carrier tape 61 in the unreeling storage bin 14, and further controlling the rotation of the active unreeling wheel mechanism 11.
Specifically, the upper discharging sensor 15, the middle discharging sensor 16 and the lower discharging sensor 17 are respectively located at the upper, middle and lower positions of the unreeling storage box 14, when the upper discharging sensor 15 has signals, the middle discharging sensor 16 and the lower discharging sensor 17 have no signals, the unreeling mechanism 1 just begins to release the smart card carrier tape 61 downwards, and the unreeling motor 113 continues to rotate. When all three sensors have signals, indicating that the carrier tape is released excessively, the motor 113 may stop rotating appropriately, and when the lower discharge sensor 17 has no signal, the discharge is resumed. When the upper discharge sensor 15 has no signal, indicating that the smart card carrier tape 61 in the first plastic wheel 63 has been fully paid out downwards, the unwind motor 113 stops rotating.
The present application achieves automatic unwinding of the smart card carrier tape 61 when the number of smart card carrier tapes 61 in the unwinding storage tank 14 decreases to a set value, and stopping the unwinding when the number of smart card carrier tapes 61 in the unwinding storage tank 14 increases to a set value.
The carrier tape transporting mechanism 4 is structured as shown in fig. 5, and is capable of realizing uniform transport of the smart card carrier tape 61 in the track at a set speed, and the transport speed can be arbitrarily adjusted within a limited range. The structure of the winding mechanism 5 is shown in fig. 7, and an upper material receiving sensor 55, a middle material receiving sensor 56 and a lower material receiving sensor 57 are arranged in the winding storage box 54, so that when the number of the intelligent card carrier tapes 61 in the winding storage box 54 is increased to a set value, the intelligent card carrier tapes 61 are automatically wound, and when the number of the intelligent card carrier tapes 61 in the winding storage box 54 is reduced to the set value, the winding is stopped. The driven winding wheel disc mechanism 51 and the driven unwinding wheel disc mechanism 12 have the same structural principle, and the driving winding wheel disc mechanism 52 and the driving unwinding wheel disc mechanism 11 have the same structural principle and are not described in detail. A third plastic wheel 66 with a protective tape 65 is secured to the driven take-up wheel mechanism 51 and an empty fourth plastic wheel 67 is secured to the driving take-up wheel mechanism 52. The smart card carrier tape 61 and the protective tape 65 fed from the carrier tape transport mechanism 4 are bonded in advance and wound around the fourth plastic wheel 67. When the number of the smart card carrier tapes 61 in the winding storage box 54 reaches a set value, the upper receiving sensor 55 and the middle receiving sensor 56 have signals, the active winding wheel disc mechanism 52 rotates, and the smart card carrier tapes 61 and the protecting tapes 65 are continuously wound and stored on the fourth plastic wheel disc 67. When the number of the intelligent card carrier tapes 61 in the winding storage box 54 is reduced to the set value, the upper material receiving sensor 55 and the middle material receiving sensor 56 have no signals, and the active winding wheel disc mechanism 52 stops rotating. When all three receiving sensors have signals, the abnormal condition of the winding mechanism 5 is indicated, the carrier tape is piled in the winding storage box 54, and the equipment automatically stops and alarms.
In some alternative embodiments, the carrier tape stepping mechanism 43 includes a stepping base 439, a stepping track 434 is provided on the stepping base 439, a gap is provided in the middle of the stepping track 434, a stepping lower roller 433 is installed at the gap, a stepping upper roller 432 is provided above the stepping lower roller 433, the smart card carrier tape 61 passes between the stepping upper roller 432 and the stepping lower roller 433, and a servo motor 431 for driving the stepping lower roller 433 to rotate is further provided on the base 439.
In some alternative embodiments, the step-up upper roller 432 is mounted on a pressing mechanism, one end of the pressing mechanism is hinged to a support on the step-up base 439, and the other end of the pressing mechanism is connected to the step-up base 439 through a pressing spring 438, and the pressing spring 438 is under tension to pull the step-up upper roller 432 to press the smart card carrier 61 on the step-down roller 433.
Referring to fig. 6, the plasma cleaning head 21 is installed right above the carrier tape cleaning stage 42 to perform ion cleaning on the smart card carrier tape 61 passing through the carrier tape cleaning stage 42. The carrier tape stepping mechanism 43 is composed of a servo motor 431, a stepping upper roller 432, a stepping lower roller 433, a stepping track 434, a timing belt 435, a timing pulley 436, a timing pulley 437, a pressing spring 438, a stepping base 439, and other parts. The servo motor 431, the stepping upper roller 432, the stepping lower roller 433 and the stepping track 434 are mounted on the stepping base 439, the synchronous pulley 436 is mounted on the servo motor 431, the synchronous pulley 437 is mounted on the stepping lower roller 433, and the synchronous belt 435 is connected with the synchronous pulley 436 and the synchronous pulley 437. The servomotor 431 rotates to drive the timing pulley 436, the timing belt 435, the timing pulley 437 and the stepping lower roller 433 to move together. The smart card carrier 61 passes between the stepping upper roller 432 and the stepping lower roller 433, and the pressing spring 438 pulls the stepping upper roller 432 to press the smart card carrier 61 against the stepping lower roller 433. The step track 434 limits the direction of movement of the smart card carrier 61, ensuring that the smart card carrier 61 is transported within the recess of the step track 434. When the servo motor 431 rotates at a constant speed, the stepping lower roller 433 and the stepping upper roller 432 drive the smart card carrier tape 61 to move rightward at a constant speed, and the smart card carrier tape 61 is conveyed to the winding mechanism 5 through the right circular arc track 44.
In some alternative embodiments, the plasma cleaning showerhead 21 of the plasma cleaning machine 2 is slidably mounted on a showerhead mounting frame 22, the showerhead mounting frame 22 includes a vertical beam and a cross beam, the vertical beam and the cross beam each having a rail, the cross beam is slidably disposed on the vertical beam, and the plasma cleaning showerhead 21 is slidably disposed on the cross beam.
In some alternative embodiments, the bottom end of the nozzle mounting frame 22 is further fixed with a protective cover 23, the protective cover 23 is open up and down, the lower end opening is opposite to the carrier belt cleaning platform 42, the plasma cleaning nozzle 21 moves above the protective cover 23, the nozzle of the plasma cleaning nozzle 21 extends into the protective cover 23 from the upper end opening of the protective cover 23, and the protective cover 23 is further connected with an exhaust fan 24.
Referring to fig. 3, the plasma cleaning mechanism 2 implements installation of a stationary plasma cleaning showerhead 21, discharges exhaust gas generated by plasma cleaning, isolates high temperatures generated by plasma cleaning, and protects operators. The nozzle mounting frame 22 is formed by an aluminum profile and is used for mounting and fixing the plasma cleaning nozzle 21, and the position of the plasma cleaning nozzle 21 is quickly adjusted in the up-down direction, the left-right direction and the cleaning effect is optimized by utilizing the grooves of the aluminum profile. The cleaning power of the plasma cleaning head 21 may be set automatically by the apparatus. The protective cover 23 isolates the plasma spray head 21 from operators, and avoids the high temperature generated by the plasma spray head 21 in the cleaning process from injuring the operators. The exhaust fan 24 is used for exhausting exhaust gas generated in the cleaning process.
Referring to fig. 4, in some alternative embodiments, the smart card carrier plasma cleaning device further includes a control panel 3, the control panel 3 including a touch screen 31 and operation buttons 32, the touch screen 31 and operation buttons 32 being configured for manual operation of the device, setting of device parameters, and display of device status.
The second aspect of the present application provides a smart card carrier tape plasma cleaning method, which uses the smart card carrier tape plasma cleaning device to clean a smart card carrier tape, the cleaning method includes:
step 2, fixing a third plastic wheel disc 66 provided with a new protection belt 65 on the driven rolling wheel disc mechanism 51, fixing an empty fourth plastic wheel disc 67 on the driving rolling wheel disc mechanism 52, and winding and bonding the new protection belt 65 on the fourth plastic wheel disc 67;
step 3, the smart card carrier tape 61 is released from the unreeling mechanism 1, passes through the carrier tape conveying mechanism 4 and is adhered to a fourth plastic wheel disc 67 of the reeling mechanism 5;
and 5, the unreeling mechanism 1 automatically unreels according to the number of the intelligent card carrier tapes 61 in the unreeling storage box 14, and the reeling mechanism 5 automatically reels according to the number of the intelligent card carrier tapes 61 in the reeling storage box 54.
And 6, after the discharge sensor 15 monitors that all the intelligent card carrier tapes 61 in the first plastic wheel disc 63 are discharged, the equipment automatically stops running.
A third aspect of the present application provides a method for packaging a smart card module, comprising performing a plasma cleaning prior to packaging a smart card carrier tape.
The intelligent card carrier tape cleaning device can automatically clean the intelligent card carrier tape by plasma, remove impurities on the surface of the carrier tape, avoid the quality problems of wire warpage, welding spot open welding, insufficient gold wire tension, exposed module components, unqualified module appearance and the like of the module welding spot position caused by dirt on the surface of the carrier tape, and improve the product yield.
Having thus described the technical aspects of the present application with reference to the preferred embodiments illustrated in the accompanying drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the relevant technical features without departing from the principles of the present application, and those changes or substitutions will now fall within the scope of the present application.
Claims (10)
1. A smart card carrier tape plasma cleaning apparatus, comprising:
the unreeling mechanism (1) comprises a driving unreeling wheel disc mechanism (11) driven by a motor and a driven unreeling wheel disc mechanism (12) with certain rotation resistance, wherein a first plastic wheel disc (63) provided with a smart card carrier tape (61) and a protective tape (62) is arranged on the driven unreeling wheel disc mechanism (12), the protective tape (62) bonded with the smart card carrier tape (61) is torn off and extends upwards to be reeled on a second plastic wheel disc (64) arranged on the driving unreeling wheel disc mechanism (11), and the smart card carrier tape (61) extends downwards to fall in an unreeling storage box (14) below;
the winding mechanism (5) comprises a driving winding wheel disc mechanism (52) driven by a motor and a driven winding wheel disc mechanism (51) with certain rotation resistance, a third plastic wheel disc (66) provided with a new protection belt (65) is arranged on the driven winding wheel disc mechanism (51), the new protection belt (65) of the driven winding wheel disc mechanism (51) extends downwards to be adhered with an intelligent card carrier belt (61) extending from a winding storage box (54) below the driving winding wheel disc mechanism (52), and is wound on a fourth plastic wheel disc (67) arranged on the driving winding wheel disc mechanism (52);
the carrier tape conveying mechanism (4) comprises a feeding track (41) in butt joint with the unreeling storage box (14) and a discharging track (44) in butt joint with the reeling storage box (54), a carrier tape cleaning platform (42) and a carrier tape stepping mechanism (43) are arranged between the feeding track (41) and the discharging track (44), a smart card carrier tape (61) extends out of the bottom end of the unreeling storage box (14) and extends into the reeling storage box (54) through the tracks defined by the feeding track (41), the carrier tape cleaning platform (42), the carrier tape stepping mechanism (43) and the discharging track (44);
and a plasma cleaning machine (2) which is arranged above the carrier belt cleaning platform (42) and is provided with a plasma cleaning spray head (21) facing the carrier belt cleaning platform (42).
2. The smart card carrier plasma cleaning apparatus of claim 1, wherein the first plastic wheel (63) is mounted on the driven unreeling wheel mechanism (12) through a first manual expansion shaft (121), the first manual expansion shaft (121) is connected with a brake (123) through a first coupler (122), braking torque is provided through the brake (123), the second plastic wheel (64) is mounted on the driving unreeling wheel mechanism (11) through a second manual expansion shaft (111), and the second manual expansion shaft (111) is connected with the unreeling motor (113) through a second coupler (112).
3. The smart card carrier plasma cleaning apparatus of claim 1, wherein the unwind storage hopper (14) is provided with a plurality of unwind sensors (15, 16, 17) from top to bottom for detecting the position of the smart card carrier (61) in the unwind storage hopper (14) and controlling the rotation of the active unwind reel mechanism (11).
4. The smart card carrier tape plasma cleaning apparatus as recited in claim 1, wherein the carrier tape stepping mechanism (43) comprises a stepping base (439), a stepping track (434) is arranged on the stepping base (439), a gap is arranged in the middle of the stepping track (434), a stepping lower roller (433) is arranged at the gap, a stepping upper roller (432) is arranged above the stepping lower roller (433), the smart card carrier tape (61) passes through the space between the stepping upper roller (432) and the stepping lower roller (433), and a servo motor (431) for driving the stepping lower roller (433) to rotate is further arranged on the base (439).
5. The smart card carrier plasma cleaning apparatus of claim 4, wherein said step-up upper roller (432) is mounted on a hold-down mechanism, one end of the hold-down mechanism is hinged to a support on a step-up base (439), and the other end is connected to the step-up base (439) through a hold-down spring (438), said hold-down spring (438) being under tension to pull said step-up upper roller (432) to hold down the smart card carrier (61) on a step-down roller (433).
6. The smart card carrier tape plasma cleaning apparatus of claim 1, wherein a plasma cleaning showerhead (21) of the plasma cleaning machine (2) is slidably mounted on a showerhead mounting frame (22), the showerhead mounting frame (22) comprising a vertical beam and a cross beam, both the vertical beam and the cross beam having rails, the cross beam being slidably disposed on the vertical beam, the plasma cleaning showerhead (21) being slidably disposed on the cross beam.
7. The smart card carrier tape plasma cleaning apparatus as claimed in claim 6, wherein a protective cover (23) is further fixed to the bottom end of the nozzle mounting frame (22), the protective cover (23) is opened up and down, the lower end opening is opposite to the carrier tape cleaning platform (42), the plasma cleaning nozzle (21) moves above the protective cover (23), and the nozzle of the plasma cleaning nozzle (21) extends into the protective cover (23) from the upper end opening of the protective cover (23), and the protective cover (23) is further connected with an exhaust fan (24).
8. The smart card carrier plasma cleaning device of claim 1, further comprising a control panel (3), the control panel (3) comprising a touch screen (31) and operating buttons (32), the touch screen (31) and operating buttons (32) being configured for manual operation of the device, setting of device parameters and display of device status.
9. A method for cleaning a smart card carrier by using the smart card carrier plasma cleaning apparatus as claimed in any one of claims 1 to 8, the cleaning method comprising:
step 1, a first plastic wheel disc (63) provided with a smart card carrier tape (61) and a protective tape (62) is installed and fixed on a driven unreeling wheel disc mechanism (12), an empty second plastic wheel disc (64) is installed and fixed on an active unreeling wheel disc mechanism (11), and the protective tape (62) is wound and adhered on the second plastic wheel disc (64);
step 2, fixing a third plastic wheel disc (66) provided with a new protection belt (65) on the driven rolling wheel disc mechanism (51), fixing an empty fourth plastic wheel disc (67) on the driving rolling wheel disc mechanism (52), and winding and bonding the new protection belt (65) on the fourth plastic wheel disc (67);
step 3, the smart card carrier tape (61) is released from the unreeling mechanism (1), passes through the carrier tape transmission mechanism (4) and is adhered to a fourth plastic wheel disc (67) of the reeling mechanism (5);
step 4, starting equipment, wherein the carrier tape stepping mechanism (43) drives the intelligent card carrier tape (61) to move at a uniform speed in the carrier tape conveying mechanism (4), and the plasma cleaning spray head (21) cleans the intelligent card carrier tape (61) passing through the carrier tape cleaning platform (42);
and 5, automatically unreeling by the unreeling mechanism (1) according to the number of the intelligent card carrier tapes (61) in the unreeling storage box (14), and automatically reeling by the reeling mechanism (5) according to the number of the intelligent card carrier tapes (61) in the reeling storage box (54).
And 6, after the discharge sensor (15) monitors that all the intelligent card carrier tapes (61) in the first plastic wheel disc (63) are discharged, the equipment automatically stops running.
10. A method for packaging a smart card module is characterized by comprising the step of performing plasma cleaning before packaging a smart card carrier tape.
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| CN202211090221.3A CN116078749A (en) | 2022-09-07 | 2022-09-07 | Plasma cleaning equipment and cleaning method for smart card carrier tape |
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