CN111090008B - RFID antenna detection equipment - Google Patents
RFID antenna detection equipment Download PDFInfo
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- CN111090008B CN111090008B CN201911379946.2A CN201911379946A CN111090008B CN 111090008 B CN111090008 B CN 111090008B CN 201911379946 A CN201911379946 A CN 201911379946A CN 111090008 B CN111090008 B CN 111090008B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
Abstract
An RFID antenna detection device comprises a carrier band, wherein an RFID antenna is fixed on the carrier band; two ends of the first vertical plate are respectively assembled with the unwinding shaft and the winding shaft in a circumferential rotating manner, and the top of the first vertical plate is also assembled and fixed with the second vertical plate through the top plate; the unwinding shaft and the winding shaft are respectively sleeved with the unwinding roll and the receiving roll; the material discharging roll and the material receiving roll are respectively used for releasing the rolled carrier band and rolling the carrier band; the carrier tape positioned between the material discharging roll and the material receiving roll sequentially passes through the camera, the protective cylinder of the detector and the lower part of the labeling machine along the movement direction, and the camera is used for acquiring an RFID antenna image on the carrier tape; the inside of the protection cylinder is a hollow protection inner cylinder, conductive pins are axially and slidably arranged in the protection inner cylinder, and the number of the protection cylinder and the number of the conductive pins are two respectively; one end of the conductive pin is fixedly assembled with the upper supporting plate and is electrically connected with a detection electrode in the detector through a lead, and the detector is arranged on the upper supporting plate or the top plate; the detector and the labeling machine are respectively lifted through a lifting mechanism.
Description
Technical Field
The invention relates to an RFID detection technology, in particular to an RFID antenna detection device.
Background
The chinese patent publication No. CN102706887B describes an RFID antenna detection device and an application technology thereof, which mainly checks the RFID antenna carried by an RFID antenna substrate and enters each detection device, thereby determining whether the RFID antenna is good or bad. The design structure is simple, and the accuracy of the mode of detecting the resistance value of the RFID antenna by direct contact is quite high. However, the RFID antenna substrate needs to be fixed by a vacuum chuck in the detection process, so that the motor can be continuously started and stopped, the service life of the motor is seriously influenced, and the efficiency is not high.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an RFID antenna detection apparatus, which has a motor that operates continuously and has high efficiency.
In order to achieve the purpose, the invention provides an RFID antenna detection device, which comprises a carrier band, a first vertical plate and a second vertical plate, wherein an RFID antenna is fixed on the carrier band; two ends of the first vertical plate are respectively assembled with the unwinding shaft and the winding shaft in a circumferential rotating manner, and the top of the first vertical plate is also assembled and fixed with the second vertical plate through the top plate;
the unwinding shaft and the winding shaft are respectively sleeved with the unwinding roll and the receiving roll; the material discharging roll and the material receiving roll are respectively used for releasing the rolled carrier band and rolling the carrier band; the carrier tape positioned between the material discharging roll and the material receiving roll sequentially passes through the camera, the protective cylinder of the detector and the lower part of the labeling machine along the moving direction, and the camera is used for acquiring an RFID antenna image on the carrier tape;
the protection cylinder is internally provided with a hollow protection inner cylinder, the protection inner cylinder is internally provided with two conductive pins in an axially sliding manner, and the number of the protection cylinder and the number of the conductive pins are respectively two; one end of the conductive pin is fixedly assembled with the upper supporting plate and is electrically connected with a detection electrode in the detector through a lead, and the detector is arranged on the upper supporting plate or the top plate; the detector and the labeling machine are respectively lifted through a lifting mechanism.
Preferably, the upper supporting plate is further provided with a buffer sliding hole, the buffer sliding hole is axially assembled with the stress ring clamp in a sliding mode, a buffer spring is installed between the stress ring and the closed end of the buffer sliding hole, and the buffer spring is used for applying downward thrust to the stress ring.
Preferably, the lifting mechanism comprises an upper guide rod, a lower guide rod and a lower supporting plate, the upper supporting plate is fixed at the bottom of the upper guide rod, the top of the upper guide rod penetrates through the top plate and then is assembled and fixed with the first stop ring, and the upper guide rod and the top plate can be axially assembled in a sliding manner; the top plate is provided with an air cylinder, and a telescopic shaft of the air cylinder penetrates through the top plate and then is assembled and fixed with the shell of the upper supporting plate;
the lower supporting plate is fixed to the top of the lower guide rod, the bottom of the lower guide rod penetrates through the lower supporting plate and the return spring and then is fixedly assembled with the second stop ring, the lower supporting plate is fixed to the first vertical plate and the second vertical plate, and the return spring is used for applying downward and axially moving elastic force to the lower guide rod;
the side surface of the upper supporting plate is fixedly assembled with one end of a first rack, and the other end of the first rack is arranged in the guide sliding chute; the side face of the lower supporting plate is fixedly assembled with one end of a second rack, the other end of the second rack is arranged in another guide chute, and the guide chute is formed by two guide side plates fixed on a second vertical plate; the first rack and the second rack are respectively in meshed transmission with the two sides of the lifting gear, the lifting gear can be circumferentially and rotatably arranged on the gear shaft, and the gear is fixedly assembled with the second vertical plate.
Preferably, one end of the unwinding shaft and one end of the winding shaft penetrate through the first vertical plate, and a first unwinding gear and a second winding gear are respectively fixed on the ends of the unwinding shaft and the winding shaft, the second winding gear is in meshing transmission with the first winding gear, the first winding gear is circumferentially rotatably mounted on a winding gear shaft, the winding shaft is fixed on the first vertical plate, a second belt wheel is further fixed on the winding shaft, and the second belt wheel is connected with the first belt wheel through a synchronous belt to form a belt transmission mechanism; the first belt wheel is fixed on the unreeling shaft, the first unreeling gear is in meshing transmission with the second unreeling gear, the second unreeling gear is in meshing transmission with the third unreeling gear, the second unreeling gear and the third unreeling gear are respectively fixed on the unreeling gear shaft and the output shaft, the gear shaft and the first vertical plate can be assembled in a circumferential rotating mode, and one end of the output shaft is installed in the motor.
Preferably, the number of the latch teeth on the third unwinding gear is not more than 180 degrees of the circumference.
Preferably, the tension mechanism comprises two guide wheels and a tension sensor, the two guide wheels are respectively and circumferentially rotatably arranged on two guide wheel shafts, and the two guide wheel shafts are respectively assembled and fixed with first vertical plates positioned at two ends of the tension sensor;
the inner ring of the tension sensor is fixedly assembled with the adjusting shaft, the adjusting shaft is fixedly assembled with one end of the adjusting rod, the other end of the adjusting rod is provided with a large end, the large end is arranged in the adjusting inner cylinder and can be assembled with the adjusting inner cylinder in a sliding manner, a part of the adjusting shaft, which is positioned in the adjusting inner cylinder, is sleeved with a second pressure spring, a first pressure spring is arranged between the large end and an adjusting plug, the adjusting plug is arranged in the adjusting inner cylinder through threaded screwing, the adjusting inner cylinder is also arranged in the adjusting cylinder, an adjusting rack part is also arranged on the side surface of the adjusting cylinder, the adjusting rack part is meshed with an adjusting gear for transmission, the adjusting gear is fixed at one end of an adjusting output shaft, the other end of the adjusting output shaft is arranged in the adjusting motor, the adjusting cylinder is clamped and can be axially and slidably arranged in the adjusting hole, the adjusting hole is arranged in the adjusting guide block, and the adjusting guide block is fixed on a first vertical plate; and two ends of the first pressure spring are respectively connected and fixed with the big end and the adjusting plug.
The invention has the beneficial effects that: the invention has simple structure, high integration level and low manufacturing cost, and can simultaneously complete unreeling and reeling through the conveying motor. In addition, the carrier tape stops intermittently when the RFID antenna is detected and printed, so that the damage of the RFID antenna and the carrier tape caused by the movement of the carrier tape is avoided. The invention also realizes the flexible adjustment of the tension of the carrier tape by arranging the tension adjusting mechanism, thereby adjusting the tension of the carrier tape according to the actual condition. The efficiency is very high because the carrier band basically runs continuously in the whole process, and the efficiency of the current prototype is at least two times higher than that of the patent technology cited in the background technology through actual measurement.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
Fig. 5 is a schematic structural diagram of the present invention.
Fig. 6 is a schematic structural diagram of the protection cylinder and the conductive pin of the invention.
Fig. 7 is a schematic structural view of the tension mechanism of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 7, an RFID antenna detection apparatus includes a carrier tape 201, a first vertical plate 110, and a second vertical plate 120, where an RFID antenna is fixed on the carrier tape 201; two ends of the first vertical plate 110 can be respectively assembled with the unwinding shaft 310 and the winding shaft 320 in a circumferential rotating manner, and the top of the first vertical plate 110 is also assembled and fixed with the second vertical plate 120 through the top plate 130;
the unwinding shaft 310 and the winding shaft 320 are respectively sleeved with the unwinding roll 210 and the receiving roll 220, so that the unwinding roll 210 and the receiving roll 220 are driven to synchronously rotate through the circumferential rotation of the unwinding shaft 310 and the winding shaft 320; the material discharging roll 210 and the material receiving roll 220 are respectively used for releasing the rolled carrier tape 201 and rolling the carrier tape 201; the carrier tape 201 between the feeding roll 210 and the receiving roll 220 sequentially passes through the camera 410, the protective cylinder 810 of the detector and the lower part of the labeling machine 750 along the moving direction, and the camera 410 is used for acquiring the RFID antenna image on the carrier tape, so that whether defects such as glue drops, degumming, wrinkles and the like exist in the appearance of the RIFD antenna is identified through an image identification technology.
The inside of the protective cylinder 810 is a hollow protective inner cylinder 811, a conductive pin 820 is axially slidably mounted in the protective inner cylinder 811, and two conductive pins 820 are respectively arranged in the protective cylinder 810; one end of the conductive pin 820 is fixedly assembled with the upper supporting plate 710 and is electrically connected with a detection electrode inside a detector through a lead 821, and the detector is installed on the upper supporting plate 710 or the top plate 130; the upper supporting plate is further provided with a buffer sliding hole 711, the buffer sliding hole 711 and the stress ring 812 are axially assembled in a sliding mode, a buffer spring 830 is installed between the stress ring and the closed end of the buffer sliding hole 711, and the buffer spring 830 is used for applying downward thrust to the stress ring 812. When the RFID antenna is used, the protective cylinder 810 is pressed to overcome the elasticity of the buffer spring to move upwards until the conductive pin 820 penetrates out of the protective cylinder 810, and at the moment, the conductive pin is in contact with the two ends of the RFID antenna to conduct electricity, so that the resistance value of the RFID antenna is detected to judge whether the RFID antenna is a qualified product; if so, it passes directly through the labeler 750 and then is wound on the stock roll 220; if not, outputting a defective label inside the labeling machine, and then moving downwards to be adhered to the unqualified RFID antenna so as to perform identification, so that the defective label can be picked out at a later stage. In this embodiment, the labeling machine 750 has functions of printing labels and outputting labels, a non-setting adhesive (similar to the existing label paper) is provided on an end surface of the output label facing the carrier tape, and then the labeling machine 750 moves down by the lifting mechanism, thereby attaching the label to the RFID antenna. The detector is also lifted through the lifting mechanism, so that the conductive needle moves downwards and penetrates out of the guide cylinder to be detected. The labeling machine 750 is fixed to its corresponding upper pallet or directly assembled and fixed to its corresponding upper guide bar 230.
The lifting mechanism comprises an upper guide rod 230, a lower guide rod 240 and a lower supporting plate 720, the upper supporting plate 710 is fixed at the bottom of the upper guide rod 230, the top of the upper guide rod 230 penetrates through the top plate 130 and then is assembled and fixed with the first stop ring 231, and the upper guide rod 230 and the top plate 130 can be axially assembled in a sliding manner; the top plate 130 is provided with an air cylinder 420, and a telescopic shaft 421 of the air cylinder 420 penetrates through the top plate 130 and then is assembled and fixed with the shell of the upper supporting plate 710, so that the air cylinder can drive the detector to move synchronously by driving the telescopic shaft 421 to move axially, and the detector can be driven to move up and down;
the lower support plate 720 is fixed at the top of the lower guide rod 240, the bottom of the lower guide rod 240 passes through the lower support plate 730 and the return spring 740 and then is assembled and fixed with the second stop ring 241, the lower support plate 730 is fixed on the first vertical plate 110 and the second vertical plate 120, and the return spring 740 is used for applying downward axial movement elastic force to the lower guide rod 240, so that the lowest end displacement point of the lower guide rod 240 is maintained when no external force acts on the lower guide rod;
the side surface of the upper supporting plate 710 is fixedly assembled with one end of the first rack 510, and the other end of the first rack 510 is arranged in the guide chute 141; the side surface of the lower supporting plate 720 is fixedly assembled with one end of the second rack 520, the other end of the second rack 520 is arranged in another guide sliding groove 141, and the guide sliding groove 141 is formed by two guide side plates 140 fixed on the second vertical plate 120; the first rack 510 and the second rack 520 are respectively engaged with and driven by two sides of the lifting gear 530, the lifting gear 530 is circumferentially and rotatably mounted on the gear shaft 350, and the gear 350 is fixedly assembled with the second vertical plate 120;
one end of each of the unwinding shaft 310 and the winding shaft 320 penetrates through the first vertical plate 110, and the end is respectively fixed with a first unwinding gear 613 and a second winding gear 632, the second winding gear 632 is in meshing transmission with the first winding gear 631, the first winding gear 631 is circumferentially rotatably mounted on a winding gear shaft 370, the winding shaft 370 is fixed on the first vertical plate 110, the winding shaft 370 is also fixed with a second belt pulley 622, and the second belt pulley 622 is connected with the first belt pulley 621 through a synchronous belt 620 and forms a belt transmission mechanism; the first belt wheel 621 is fixed on the unwinding shaft 310, the first unwinding gear 613 and the second unwinding gear 612 are in meshing transmission, the second unwinding gear 612 and the third unwinding gear 613 are respectively fixed on an unwinding gear shaft 360 and an output shaft 431, the gear shaft 360 and the first vertical plate can be assembled in a circumferential rotation mode, one end of the output shaft 431 is installed in the motor 430, the motor 430 can drive the output shaft 431 to rotate circumferentially after being started, so that the unwinding shaft is driven to rotate circumferentially to unwind, and the unwinding shaft drives the winding gear shaft 370 to rotate circumferentially through the synchronous belt 620 to drive the winding shaft 320 to rotate circumferentially to wind.
In this embodiment, the transmission ratio of the second winding gear 632 and the first winding gear 631 can be adjusted to adjust the reference tension in the transmission process of the carrier tape, and the unwinding shaft can be driven to rotate to unwind when the tension of the carrier tape on one side of the winding shaft is larger due to the fact that the unwinding shaft can rotate circumferentially, so that the motor has a power-off braking function.
The number of teeth on said third unwinding gear 613 is not more than 180 ° of its circumference, which allows the unwinding and winding to run intermittently, giving the detector sufficient dwell time for the labelling machine to detect and label, but without stopping the motor.
When the detector needs to detect or the labeling machine needs to label, the air cylinder drives the telescopic shaft to move downwards, so that the upper supporting plate 710 and the lower supporting plate 720 move close to each other, the lower supporting plate 720 can be firstly attached to the bottom surface of the carrier tape 201, then the guide cylinder or the label gradually moves downwards to be tightly pressed with the carrier tape, the bottom of the carrier tape is supported by the lower supporting plate, the detection and the labeling are completed, the air cylinder retracts after the completion, the upper supporting plate 710 and the lower supporting plate 720 reset under the driving of the air cylinder and the reset spring, and when the pressing state of the carrier tape disappears, the third unwinding gear 613 is meshed with the second unwinding gear 612 again, so that the carrier tape is driven to move forwards intermittently again.
Referring to fig. 7, in order to flexibly adjust the tension of the carrier tape, the inventor designs a tension mechanism, where the tension mechanism includes two guide wheels 641 and a tension sensor 440, the two guide wheels 641 are respectively installed on two guide wheel shafts 380 in a rotatable manner, and the two guide wheel shafts 380 are respectively assembled and fixed with first vertical plates located at two ends of the tension sensor 440;
the inner ring of the tension sensor 440 is fixedly assembled with the adjusting shaft 390, the adjusting shaft 390 is fixedly assembled with one end of the adjusting rod 840, the other end of the adjusting rod 840 is provided with a big end 841, the big end 841 is arranged in the adjusting inner cylinder 921 and is assembled with the adjusting inner cylinder 921 in a sliding way, the part of the adjusting shaft 390 positioned in the adjusting inner cylinder 921 is sleeved with a second pressure spring 932, a first pressure spring 931 is arranged between the big end 941 and the adjusting plug 930, the adjusting plug 930 is arranged in the adjusting inner cylinder 921 through screw thread screwing, the adjusting inner cylinder 921 is also arranged in the adjusting cylinder 920, the side surface of the adjusting cylinder 920 is also provided with an adjusting rack part 922, the adjusting rack part 922 is meshed with the adjusting gear 650 for transmission, the adjusting gear 650 is fixed at one end of the adjusting output shaft 940, the other end of the adjusting output shaft 940 is arranged in the adjusting motor 920, the adjusting cylinder is clamped and can be axially slidably arranged in the adjusting hole 911, the adjusting hole 911 is arranged in the adjusting guide block 910, the adjustment guide 910 is fixed to the first vertical plate 110. When the tension adjusting device is used, the adjusting motor drives the adjusting gear 650 to rotate circumferentially, so that the adjusting cylinder is driven to move up and down to adjust the tension of the carrier tape. The tension signal is output to an external controller through a tension sensor, and the controller can be a PLC, an industrial personal computer and the like. When the tension of the carrier tape changes, the tension of the carrier tape can be movably adjusted through the first pressure spring and the second pressure spring, and therefore the carrier tape is prevented from being broken by tension. And two ends of the first pressure spring are respectively connected and fixed with the big end and the adjusting plug.
The invention is not described in detail, but is well known to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. An RFID antenna detection device comprises a carrier band, a first vertical plate and a second vertical plate, wherein an RFID antenna is fixed on the carrier band; the method is characterized in that: two ends of the first vertical plate are respectively assembled with the unwinding shaft and the winding shaft in a circumferential rotating manner, and the top of the first vertical plate is also assembled and fixed with the second vertical plate through the top plate;
the unwinding shaft and the winding shaft are respectively sleeved with the unwinding roll and the receiving roll; the material discharging roll and the material receiving roll are respectively used for releasing the rolled carrier band and rolling the carrier band; the carrier tape positioned between the material discharging roll and the material receiving roll sequentially passes through the camera, the protective cylinder of the detector and the lower part of the labeling machine along the moving direction, and the camera is used for acquiring an RFID antenna image on the carrier tape;
the protection cylinder is internally provided with a hollow protection inner cylinder, the protection inner cylinder is internally provided with two conductive pins in an axially sliding manner, and the number of the protection cylinder and the number of the conductive pins are respectively two; one end of the conductive pin is fixedly assembled with the upper supporting plate and is electrically connected with a detection electrode in the detector through a lead, and the detector is arranged on the upper supporting plate or the top plate; the detector and the labeling machine are respectively lifted through a lifting mechanism;
the tension mechanism comprises two guide wheels and a tension sensor, the two guide wheels are respectively and circumferentially rotatably arranged on two guide wheel shafts, and the two guide wheel shafts are respectively assembled and fixed with first vertical plates positioned at two ends of the tension sensor;
the inner ring of the tension sensor is fixedly assembled with the adjusting shaft, the adjusting shaft is fixedly assembled with one end of the adjusting rod, the other end of the adjusting rod is provided with a large end, the large end is arranged in the adjusting inner cylinder and can be assembled with the adjusting inner cylinder in a sliding manner, a part of the adjusting shaft, which is positioned in the adjusting inner cylinder, is sleeved with a second pressure spring, a first pressure spring is arranged between the large end and an adjusting plug, the adjusting plug is arranged in the adjusting inner cylinder through threaded screwing, the adjusting inner cylinder is also arranged in the adjusting cylinder, an adjusting rack part is also arranged on the side surface of the adjusting cylinder, the adjusting rack part is meshed with an adjusting gear for transmission, the adjusting gear is fixed at one end of an adjusting output shaft, the other end of the adjusting output shaft is arranged in the adjusting motor, the adjusting cylinder is clamped and can be axially and slidably arranged in the adjusting hole, the adjusting hole is arranged in the adjusting guide block, and the adjusting guide block is fixed on a first vertical plate; and two ends of the first pressure spring are respectively connected and fixed with the big end and the adjusting plug.
2. The RFID antenna test apparatus of claim 1, wherein: the upper supporting plate is also provided with a buffer sliding hole, the buffer sliding hole is axially assembled with the stress ring clamp in a sliding manner, and a buffer spring is arranged between the stress ring and the closed end of the buffer sliding hole and used for applying downward thrust to the stress ring.
3. The RFID antenna test apparatus of claim 1, wherein: the lifting mechanism comprises an upper guide rod, a lower guide rod and a lower supporting plate, the upper supporting plate is fixed at the bottom of the upper guide rod, the top of the upper guide rod penetrates through the top plate and then is assembled and fixed with the first stop ring, and the upper guide rod and the top plate can be assembled in an axial sliding mode; the top plate is provided with an air cylinder, and a telescopic shaft of the air cylinder penetrates through the top plate and then is assembled and fixed with the shell of the upper supporting plate;
the lower supporting plate is fixed to the top of the lower guide rod, the bottom of the lower guide rod penetrates through the lower supporting plate and the return spring and then is fixedly assembled with the second stop ring, the lower supporting plate is fixed to the first vertical plate and the second vertical plate, and the return spring is used for applying downward and axially moving elastic force to the lower guide rod;
the side surface of the upper supporting plate is fixedly assembled with one end of a first rack, and the other end of the first rack is arranged in the guide sliding chute; the side face of the lower supporting plate is fixedly assembled with one end of a second rack, the other end of the second rack is arranged in another guide chute, and the guide chute is formed by two guide side plates fixed on a second vertical plate; the first rack and the second rack are respectively in meshed transmission with the two sides of the lifting gear, the lifting gear can be circumferentially and rotatably arranged on the gear shaft, and the gear is fixedly assembled with the second vertical plate.
4. The RFID antenna test apparatus of claim 1, wherein: one end of the unwinding shaft and one end of the winding shaft penetrate through the first vertical plate, a first unwinding gear and a second winding gear are fixed on the ends of the unwinding shaft and the winding shaft respectively, the second winding gear is in meshing transmission with the first winding gear, the first winding gear is circumferentially rotatably mounted on a winding gear shaft, the winding shaft is fixed on the first vertical plate, a second belt wheel is further fixed on the winding shaft, and the second belt wheel is connected with the first belt wheel through a synchronous belt to form a belt transmission mechanism; the first belt wheel is fixed on the unreeling shaft, the first unreeling gear is in meshing transmission with the second unreeling gear, the second unreeling gear is in meshing transmission with the third unreeling gear, the second unreeling gear and the third unreeling gear are respectively fixed on the unreeling gear shaft and the output shaft, the gear shaft and the first vertical plate can be assembled in a circumferential rotating mode, and one end of the output shaft is installed in the motor.
5. The RFID antenna test apparatus of claim 4, wherein: the number of the clamping teeth on the third unwinding gear is not more than 180 degrees of the circumference of the third unwinding gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379946.2A CN111090008B (en) | 2019-12-27 | 2019-12-27 | RFID antenna detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379946.2A CN111090008B (en) | 2019-12-27 | 2019-12-27 | RFID antenna detection equipment |
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| CN111090008A CN111090008A (en) | 2020-05-01 |
| CN111090008B true CN111090008B (en) | 2021-11-16 |
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| CN113009241B (en) * | 2021-03-02 | 2021-09-21 | 福建钰辰微电子有限公司 | Detection device and detection method for flexible radio frequency antenna |
| CN114152188A (en) * | 2021-11-09 | 2022-03-08 | 芜湖维聚智控科技有限公司 | Miniature desktop RFID reading, writing and detecting equipment |
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