CN213377927U

CN213377927U - Material collecting device of RFID antenna detection machine

Info

Publication number: CN213377927U
Application number: CN202022144630.XU
Authority: CN
Inventors: 夏家杰; 文院; 程琳
Original assignee: Foshan Yafeng Printing Co ltd
Current assignee: Foshan Yafeng Printing Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-08
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a material collecting device of RFID antenna detection machine, include: a frame; the conveying device is arranged on the rack and used for conveying the hanging tag; the difference picking device is arranged on the rack and comprises a camera for shooting a tag on the conveying device and a removing mechanism for removing the defective products on the conveying device out of the conveying device; the two collecting boxes are arranged on the rack in parallel, are positioned at the conveying tail end of the conveying device and are used for storing the hanging tags conveyed by the conveying device; the material distributing device is arranged on the rack, is positioned between the conveying device and the collecting boxes and is used for alternately changing the direction of the drop output to the two collecting boxes; and the counter is arranged on the material distributing device and used for detecting the number of the hanging tags passing through the material distributing device. Adopt the utility model discloses, realize rejecting the defective products on line and to the function of certified products automatic counting, collection, reduce workman's intensity of labour.

Description

Material collecting device of RFID antenna detection machine

Technical Field

The utility model relates to a RFID antenna detects quick-witted technical field, especially relates to a material collecting device that RFID antenna detected machine.

Background

The RFID antenna detector is used for detecting whether the RFID label stuck on the drop is effective or not and inputting the information of the RFID label into the system. The end of the RFID antenna detection machine is generally a receiving device, and the hang tags recorded into the system can be received in a unified mode.

But current material collecting device can only simply collect the drop, and whether the pasting position of the RFID chip on the unable inspection drop is correct, and this needs the manual work to remove bad drop in the supplementary rejection of receipts material in-process, in actual production, whether the position that the RFID label was pasted is correct for the manual work detection in order to be convenient for, has printed the label in advance in the drop and pastes the position, when seeing the RFID label and surpassing the scope, then the people can inspect out the defective products at once. While this method greatly reduces the labor intensity of manually inspecting the swing ticket, it still requires manual removal of the bad swing ticket and manual counting of the qualified swing ticket.

Disclosure of Invention

The utility model aims to solve the technical problem that a material collecting device of RFID antenna detection machine is provided, realize rejecting the defective products on line and to the function of certified products automatic counting, collection, reduce workman's intensity of labour.

In order to solve the technical problem, the utility model provides a material collecting device of RFID antenna detects machine, include:

a frame;

the conveying device is arranged on the rack and used for conveying the hanging tag;

the difference picking device is arranged on the rack and comprises a camera for shooting a tag on the conveying device and a removing mechanism for removing the defective products on the conveying device out of the conveying device;

the two collecting boxes are arranged on the rack in parallel, are positioned at the conveying tail end of the conveying device and are used for storing the hanging tags conveyed by the conveying device;

the material distributing device is arranged on the rack, is positioned between the conveying device and the collecting boxes and is used for alternately changing the direction of the drop output to the two collecting boxes;

and the counter is arranged on the material distributing device and used for detecting the number of the hanging tags passing through the material distributing device.

The rejecting mechanism comprises an adsorption component arranged above the conveying device, a lifting driving component for driving the adsorption component to lift, a horizontal driving component for driving the adsorption component to horizontally reciprocate and a waste box for collecting the defective hanging tag, wherein the adsorption component is used for adsorbing the hanging tag on the conveying device.

Wherein, feed divider includes the mounting panel, divides the flitch, sets up the subassembly that floats on the mounting panel and two settings turn to the cylinder on the mounting panel, the mounting panel sets up in the frame, divide the face of flitch to be isosceles triangle, divide the base of flitch to be close to conveyor and set up, divide the apex angle bottom of flitch to be universal articulated with the subassembly that floats, two turn to the cylinder respectively with divide two base angle bottoms of flitch universal articulated for when arbitrary extension bar that turns to the cylinder withdraws, the flitch should turn to cylinder lopsidedness, the counter sets up on dividing the flitch.

The floating assembly comprises a guide post and a spring, the guide post is vertically arranged and is in sliding connection with the mounting plate, an upper baffle and a lower baffle are fixed at the upper end and the lower end of the guide post respectively, the bottom of the vertex angle of the material separating plate is in universal hinge connection with the upper baffle, and the spring is sleeved on the guide post and is fixedly connected with the upper baffle and the mounting plate respectively.

The automatic card collecting device comprises a rack, a lifting device and a proximity switch, wherein the lifting device and the proximity switch are both installed on the rack, the lifting device is used for driving the single collecting box to move up and down, and the proximity switch is used for detecting the stacking position of the labels in the single collecting box.

The lifting device comprises a lifting cylinder, a scissor type connecting rod and a lifting platform, the scissor type connecting rod is arranged between the lifting platform and the rack, the lifting cylinder is connected with the scissor type connecting rod, the included angle of the scissor type connecting rod is enlarged or reduced to enable the lifting platform to do lifting motion, and the collecting box is arranged on the lifting platform.

Wherein, still include magnetism and inhale the mechanism, the collecting box can be fixed through magnetism and inhale the mechanism on the elevating platform.

The collecting box comprises a long side plate, a short side plate and a bottom plate which are fixed in an orthogonal structure, an inclined plate is arranged above the bottom plate, and the inclined plate slants downwards along the conveying direction of the hanging tag.

Wherein, conveyor includes conveying roller, driving motor, conveyer belt and getter device, and two conveying rollers rotate with the frame respectively and are connected, and one of them conveying roller of driving motor drive rotates, and two conveyer belts all cup joint on the conveying roller and have the clearance between two conveyer belts, getter device sets up in the clearance.

Implement the utility model has the advantages that: be provided with conveyor and carry the drop, and the conveyor top is equipped with the camera and rejects the mechanism, the defective products can be detected to the camera, and reject the mechanism and can reject the defective products, save artifical rejection process, reduce workman's intensity of labour, and be provided with feed divider and two collecting boxes at conveyor's end, the last counter that installs of feed divider, can make statistics of the drop through feed divider, feed divider distributes the drop in turn and carries to two collecting boxes, in order to realize that two collecting boxes save the drop in turn and guarantee that the drop quantity in every collecting box is unanimous, need not follow-up artifical statistics drop quantity.

Drawings

Fig. 1 is a top view of a material receiving device of an RFID antenna inspection machine according to the present invention;

fig. 2 is a main sectional view of a material receiving device of the RFID antenna inspection machine according to the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a side view of a material receiving device of the RFID antenna inspection machine according to the present invention;

fig. 5 is the utility model provides a state diagram of flitch toward left side slope in the material collecting device of RFID antenna detects machine.

In the figure: 1. a frame; 21. a conveying roller; 22. a drive motor; 23. a conveyor belt; 24. a suction device; 3. a difference picking device; 31. a camera; 32. a rejection mechanism; 321. an adsorption component; 322. a lift drive assembly; 323. a horizontal drive assembly; 324. a waste bin; 4. a collection box; 41. a long side plate; 42. short side plates; 43. a base plate; 44. a sloping plate; 5. a material distributing device; 51. mounting a plate; 52. a material distributing plate; 53. a floating assembly; 531. a guide post; 532. a spring; 533. an upper baffle plate; 534. a lower baffle plate; 54. a steering cylinder; 6. a counter; 7. a lifting device; 71. a lifting cylinder; 72. a scissor-type connecting rod; 73. a lifting platform; 8. a proximity switch; 9. magnetic attraction mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the utility model relates to a material collecting device of RFID antenna detects machine, including frame 1, conveyor, pick up poor device 3, collecting box 4, feed divider 5 and counter 6. The conveying device is arranged on the rack 1 and used for conveying the hanging tags, the difference picking device 3 is arranged on the rack 1, the difference picking device 3 comprises a camera 31 and a removing mechanism 32, the camera 31 is positioned above the conveying device and used for shooting the hanging tags on the conveying device, specifically, the camera 31 can be externally connected with an image analysis device, the image analysis device can analyze pictures shot by the camera 31 and can detect the hanging tags outside the range of sticking the RFID labels, the image analysis device can be a computer with image analysis software, the pictures are processed by the software, the removing mechanism 32 is positioned behind the camera 31 along the conveying direction of the hanging tags, the removing mechanism 32 moves the detected bad hanging tags out of the conveying device, the number of the collecting boxes 4 is two, and the two collecting boxes 4 are arranged on the rack 1 in parallel and positioned at the conveying tail end of the conveying device, the two collecting boxes 4 are used for alternately storing the hanging tags conveyed by the conveying device, the distributing device 5 is installed on the rack 1 and located between the conveying device and the collecting boxes 4 and used for alternately changing the direction of the hanging tags output to the two collecting boxes 4, and the counter 6 is installed on the distributing device 5 and used for detecting the number of the hanging tags passing through the separating device.

The utility model provides a theory of operation as follows: the conveying device conveys the hanging tags, the camera 31 shoots the hanging tags on the conveying device, the shot pictures are analyzed through external image analysis equipment, when the hanging tags with the RFID labels stuck in a staggered mode (namely, defective products) are detected, the defective products are moved out of the conveying device by the rejecting mechanism 32, the products conveyed towards the direction of the distributing device 5 are all qualified products, the qualified products are collected by one collecting box 4 after being distributed by the distributing device 5, meanwhile, the number of the hanging tags passing through the distributing device 5 can be counted by the counter 6, when the preset value is counted, the distributing direction is switched by the distributing device 5, so that the qualified products are collected by the other collecting box 4, the counter 6 returns to zero, the number of the hanging tags entering the other collecting box 4 through the distributing device 5 is counted again, the hanging tags are sequentially circulated to realize that the two collecting boxes 4 alternately store the hanging tags, under the action of the counter 6 and the material distributing device 5, the number of the single storage hanging tags of each collecting box 4 is consistent, in addition, in the process that one collecting box 4 stores the hanging tags, an operator takes the hanging tags in the other collecting box 4 to empty the collecting box 4, so that the next collection is convenient, and the purpose of collecting the hanging tags without stopping is achieved.

Through set up camera 31 and rejection mechanism 32 on conveyor, can reject the defective products in advance, save artifical rejection process, reduce workman's intensity of labour, and be provided with feed divider 5 and two collecting boxes 4 at conveyor's end, the last counter 6 of installing of feed divider 5 can make statistics of the drop through feed divider 5, feed divider 5 distributes the drop in turn and carries to two collecting boxes 4, thereby make two collecting boxes 4 store the drop in turn and the quantity of drop is unanimous.

Preferably, referring to fig. 1 and 2, the rejecting mechanism 32 includes an adsorption component 321, a lifting driving component 322, a horizontal driving component 323, and a waste bin 324, the horizontal driving component 323 is installed on the rack 1, the lifting driving component 322 is installed on an output end of the horizontal driving component 323, the adsorption component 321 is installed on an output end of the lifting driving component 322, the waste bin 324 is placed beside the rack 1, and the adsorption component 321 performs a lifting motion on the lifting driving component 322 and performs a horizontal reciprocating motion under the action of the horizontal driving component 323, so as to transfer the defective products on the conveying device into the waste bin 324. Adsorption component 321 holds the drop on conveyor through the vacuum adsorption principle, adsorption component 321 passes through pipeline and vacuum pump connection, comes control adsorption component 321's adsorption efficiency through the vacuum pump, when rejecting mechanism 32 and transferring adsorption component 321 to the defective products on conveyor, the vacuum pump is to adsorption component 321 evacuation, so that the drop is adsorbed on adsorption component 321, the drop adsorbs the completion back, move the drop to dump bin 324 through rejecting mechanism 32, then the vacuum pump exhausts, so that adsorption component 321's atmospheric pressure gets back to normal condition, at this moment, adsorption component 321 can not produce the adsorption affinity to the drop, be about to the defective products and drop to dump bin 324. The lifting driving assembly 322 preferably adopts an air cylinder, the adsorption assembly 321 is driven to lift through the air cylinder, the horizontal driving assembly 323 can adopt a belt transmission structure, an air cylinder structure or a ball screw structure and the like, a ball screw transmission pair is adopted in the embodiment, and a power source adopts a servo motor.

It should be noted that, in order to ensure that the adsorption component 321 can accurately adsorb the defective product, the adsorption component 321 should be disposed close to the camera 31, so that the defective product is located just under the adsorption component 321 after the defective product is detected, and meanwhile, the distance between the adsorption component 321 and the conveying plane of the conveying device is 3cm-8cm, so as to reduce the descending time of the adsorption component 321. In addition, the conveying device stops conveying the drop in the process of rejecting the defective products by the rejecting mechanism 32, so that the situation that the defective products are large in quantity and the subsequent defective products cross the rejecting mechanism 32 in the process of resetting the rejecting mechanism 32 while the defective products are rejected is avoided, and the defective products are mixed into the qualified products.

Preferably, referring to fig. 2, 3, 4 and 5, the material dividing device 5 includes a mounting plate 51, a material dividing plate 52, a floating assembly 53 disposed on the mounting plate 51, and two steering cylinders 54 disposed on the mounting plate 51, the mounting plate 51 is disposed on the frame 1, the plate surface of the material dividing plate 52 is an isosceles triangle, the bottom edge of the material dividing plate 52 is disposed near the conveying device, the bottom edge of the material dividing plate 52 is universally hinged to the floating assembly 53, and the two steering cylinders 54 are respectively universally hinged to the bottom edges of the material dividing plate 52, so that the material dividing plate 52 is inclined toward one side of the steering cylinder 54 when the extension rod of any one of the steering cylinders 54 retracts. In a normal state, the extension rods of the two steering cylinders 54 are in an extended state, the material distribution plate 52 is horizontally placed under the combined action of the floating assembly 53 and the two steering cylinders 54, and the plate surface of the material distribution plate 52 is lower than the conveying plane of the conveying device, as shown in fig. 5, when the material distribution device 5 distributes the hanging tags to the left collecting box 4, the extension rod of the steering cylinder 54 on the right side extends out, and the extension rod of the steering cylinder 54 on the left side retracts, so that the left bottom angle of the material distribution plate 52 is driven to swing downwards to enable the material distribution plate 52 to incline towards the left collecting box 4, and the hanging tags can directly fall into the left collecting box 4 when passing through the material distribution plate 52; on the contrary, when the distribution device 5 distributes the hang-tags to the collection boxes 4 on the right side, the extension rods of the steering cylinders 54 on the left side extend, the extension rods of the steering cylinders 54 on the right side retract, and the distribution plate 52 is inclined toward the collection boxes 4 on the right side, so that the hang-tags can directly fall into the collection boxes 4 on the right side when passing through the distribution plate 52. The counter 6 is arranged on the distributing plate 52, when the hanging tag passes through the distributing plate 52, the accumulated number in the counter 6 is increased by one, and when the accumulated number of the counter 6 is accumulated to a preset value, the distributing plate 52 inclines towards the other side collecting box 4, so that the hanging tag is stored by the other side collecting box 4.

Further, referring to fig. 5, the floating assembly 53 includes a guide column 531 and a spring 532, the guide column 531 is vertically connected to the mounting plate 51 in a sliding manner, an upper baffle 533 and a lower baffle 534 are fixed to upper and lower ends of the guide column 531, respectively, a bottom of a vertex angle of the material separating plate 52 is hinged to the upper baffle 533 in a universal manner, and the spring 532 is sleeved on the guide column 531 and is respectively fixedly connected to the upper baffle 533 and the mounting plate 51. The lower baffle 534 plays a role in limiting, and the guide column 531 is prevented from being separated from the mounting plate 51 under the elastic force of the spring 532. When the extension rod of any steering cylinder 54 retracts, the material distribution plate 52 tilts towards the corresponding side, and the vertex angle position of the material distribution plate 52 drives the guide posts 531 to slide downwards, so that the upper baffle 533 compresses the spring 532, and the vertex angle position of the material distribution plate 52 is supported in a floating manner.

It should be noted that the universal joints described above may also be ball joints.

Preferably, with reference to fig. 2, 3 and 4, it further comprises a lifting device 7 and a proximity switch 8 both mounted on the frame 1, in particular, the proximity switch 8 is mounted on the mounting plate 51, said lifting device 7 being adapted to drive the single collecting box 4 in a lifting movement, said proximity switch being adapted to detect the stacking position of the tags in the single collecting box 4. The hanging tag slides into the collecting box 4 through the distributing device 5 to be stacked, the approach switch 8 is triggered to generate a signal after the hanging tag is stacked to a certain height, and then the lifting device 7 drives the collecting box 4 to descend for a certain distance so as to ensure that the height of the stacked hanging tag is lower than that of the distributing plate 52 and the hanging tag can smoothly fall into the collecting box 4.

Further, referring to fig. 3, the lifting device 7 includes a lifting cylinder 71, a scissor type link 72 and a lifting platform 73, the scissor type link 72 is disposed between the lifting platform 73 and the frame 1, the lifting cylinder 71 is connected with the scissor type link 72 and makes an included angle of the scissor type link 72 larger or smaller to make the lifting platform 73 perform a lifting motion, and the collecting box 4 is mounted on the lifting platform 73. In an initial state, an extension rod of the lifting cylinder 71 is in an extension state, an included angle of the scissor type connecting rod 72 is small, and the lifting platform 73 is located at the highest point; after the conveying device is started, the hanging tags are stacked in the collecting box 4, when the proximity switch 8 detects the hanging tags, the fact that the hanging tags are stacked to a specified height is indicated, the extension rod of the lifting cylinder 71 retracts by a certain length, the angle between the scissor type connecting rods 72 is increased, the lifting platform 73 and the collecting box 4 do descending movement, and the like until the number of the hanging tags in the collecting box 4 reaches a preset value.

It should be noted that the lifting table 73 can be lifted by increasing or decreasing the included angle of the scissor-type connecting rod 72, and a ball screw transmission pair can be used, and a servo motor is used as a power source.

Preferably, referring to fig. 1, the collecting box 4 is fixable on the lifting platform 73 through the magnetic attraction mechanism 9, wherein the magnetic attraction mechanism 9 is a magnet, the bottom of the collecting box 4 is provided with the magnet, the top of the lifting platform 73 is an iron plate, and the collecting box 4 is detachably connected with the lifting platform 73 through the characteristic that the magnet attracts the iron plate, so that the collecting box 4 is convenient to disassemble and assemble; in addition, the bottom of the collecting box 4 can also be an iron plate, and the top of the lifting platform 73 is provided with a magnet.

Preferably, referring to fig. 1, 2 and 3, the collecting box 4 includes long side plates 41, short side plates 42 and a bottom plate 43 fixed in an orthogonal structure, wherein the long side plates 41 are located on one side of the bottom plate 43 away from the material distributing plate 52, the short side plates 42 are located on one side of the bottom plate 43 away from the conveying device, the long side plates 41 and the short side plates 42 are used for limiting the position of the stacked hanging tags in the horizontal direction, an inclined plate 44 is arranged above the bottom plate 43, the inclined plate 44 is inclined obliquely and downwards along the conveying direction of the hanging tags, specifically, the inclined plate 44 can be inclined obliquely and downwards along the flying direction of the hanging tags from the material distributing plate 52, so that the stacked hanging tags are inclined towards the long side plates 41 and the short side plates 42, that the long sides of the hanging tags abut against the long side plates 41, and the short sides of the hanging tags abut against the short.

Preferably, referring to fig. 1 and 2, the conveying device includes conveying rollers 21, a driving motor 22, conveying belts 23 and a suction assembly, two conveying rollers 21 are respectively rotatably connected to the frame 1, the driving motor 22 is installed on the frame 1, the driving motor 22 drives one conveying roller 21 to rotate, two conveying belts 23 are both sleeved on the conveying roller 21, a gap is formed between the two conveying belts 23, a suction device 24 is installed in the gap, the suction device 24 sucks air between the hang tag and the conveying belt 23 through the gap, so that a negative pressure is formed between the hang tag and the conveying belt 23, and the hang tag is attached to the conveying belt 23 under an external air pressure, so that the conveying belt 23 can convey the hang tag forwards.

It should be noted that the suction device 24 is designed conventionally, the suction device 24 can generate negative pressure to suck the paper, and the suction force of the suction module 321 should be larger than that of the suction device 24 to ensure that the suction module 321 can suck the defective products on the conveying device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a material collecting device of RFID antenna detects machine which characterized in that includes:

a frame (1);

the conveying device is arranged on the rack (1) and is used for conveying the hanging tag;

the difference picking device (3) is arranged on the rack (1) and comprises a camera (31) for shooting a tag on the conveying device and a removing mechanism (32) for removing the defective products on the conveying device out of the conveying device;

the two collecting boxes (4) are arranged on the rack (1) in parallel, are positioned at the conveying tail end of the conveying device and are used for storing the hanging tags conveyed by the conveying device;

the distribution device (5) is arranged on the rack (1), is positioned between the conveying device and the collecting boxes (4), and is used for alternately changing the direction of outputting the hanging tags to the two collecting boxes (4);

and a counter (6) mounted on the feed divider (5) for detecting the number of tags passing over the feed divider (5).

2. The receiving device of the RFID antenna detection machine as claimed in claim 1, wherein the removing mechanism (32) comprises an adsorption component (321) disposed above the conveying device, a lifting driving component (322) for driving the adsorption component (321) to lift, a horizontal driving component (323) for driving the adsorption component (321) to horizontally reciprocate, and a waste bin (324) for collecting defective product tags, wherein the adsorption component (321) is used for adsorbing the tags on the conveying device.

3. The receiving device of the RFID antenna inspecting machine as claimed in claim 1, the material distributing device (5) comprises a mounting plate (51), a material distributing plate (52), a floating assembly (53) arranged on the mounting plate (51) and two steering cylinders (54) arranged on the mounting plate (51), the mounting plate (51) is arranged on the frame (1), the surface of the material distribution plate (52) is an isosceles triangle, the bottom edge of the material distribution plate (52) is arranged close to the conveying device, the bottom of the top angle of the material distribution plate (52) is universally hinged with the floating assembly (53), the two steering cylinders (54) are respectively universally hinged with the bottoms of the two bottom angles of the material distribution plate (52), when the extension rod of any one of the steering cylinders (54) retracts, the material distributing plate (52) inclines towards one side of the steering cylinder (54), and the counter (6) is arranged on the material distributing plate (52).

4. The receiving device of the RFID antenna detector as claimed in claim 3, wherein the floating assembly (53) comprises a guide pillar (531) and a spring (532), the guide pillar (531) is vertically arranged and slidably connected with the mounting plate (51), an upper baffle (533) and a lower baffle (534) are respectively fixed at the upper end and the lower end of the guide pillar (531), the bottom of the vertex angle of the material separating plate (52) is universally hinged with the upper baffle (533), and the spring (532) is sleeved on the guide pillar (531) and is respectively fixedly connected with the upper baffle (533) and the mounting plate (51).

5. A receiving device for an RFID antenna tester as claimed in claim 1, further comprising a lifting device (7) and a proximity switch (8) both mounted on the frame (1), the lifting device (7) being adapted to drive the single collecting box (4) in a lifting motion, and the proximity switch being adapted to detect the stacking position of the tags in the single collecting box (4).

6. The receiving device of the RFID antenna detector as claimed in claim 5, wherein the lifting device (7) comprises a lifting cylinder (71), a scissor type connecting rod (72) and a lifting platform (73), the scissor type connecting rod (72) is arranged between the lifting platform (73) and the rack (1), the lifting cylinder (71) is connected with the scissor type connecting rod (72) and enables the included angle of the scissor type connecting rod (72) to be increased or decreased so as to enable the lifting platform (73) to move up and down, and the collecting box (4) is mounted on the lifting platform (73).

7. The collecting device of the RFID antenna inspection machine of claim 6, further comprising a magnetic attraction mechanism (9), wherein the collecting box (4) is fixed on the lifting platform (73) by the magnetic attraction mechanism (9).

8. The collecting device of the RFID antenna detector as claimed in claim 1, wherein the collecting box (4) comprises a long side plate (41), a short side plate (42) and a bottom plate (43) which are fixed in an orthogonal structure, an inclined plate (44) is arranged above the bottom plate (43), and the inclined plate (44) is inclined downwards along the conveying direction of the hangtags.

9. The receiving device of the RFID antenna detector as claimed in claim 1, wherein the conveying device comprises conveying rollers (21), a driving motor (22), conveying belts (23) and an air suction device (24), two conveying rollers (21) are respectively rotatably connected with the frame (1), the driving motor (22) drives one conveying roller (21) to rotate, the two conveying belts (23) are both sleeved on the conveying roller (21) and have a gap between the two conveying belts (23), and the air suction device (24) is arranged in the gap.