CN220853625U

CN220853625U - Magnet piece detection device

Info

Publication number: CN220853625U
Application number: CN202322814884.1U
Authority: CN
Inventors: 杨东; 刘忠季; 付扬
Original assignee: Zhejiang Nexing Packaging Technology Co ltd
Current assignee: Zhejiang Nexing Packaging Technology Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-04-26
Anticipated expiration: 2033-10-20

Abstract

The utility model provides a magnet sheet detection device which comprises a connecting plate, wherein the rear end of the connecting plate is fixedly connected with a telescopic assembly, and both ends of the bottom of the telescopic assembly are fixedly connected with sliding tables. According to the utility model, the magnetic induction switch is more convenient to mount and dismount by mounting the elastic clamping component on the special-shaped sliding block, and meanwhile, whether the magnet piece mounted on the gift box paper board is in condition or not can be detected by the mounted magnetic induction switch; the magnetic induction switch can be adjusted to be in the horizontal and vertical positions on the same horizontal plane through sliding of the special-shaped sliding blocks on the special-shaped sliding grooves formed in the L-shaped mounting columns and fixing of the special-shaped sliding blocks through the positioning assembly, so that the magnetic induction switch can adapt to the detection of the existence of magnet sheets of gift box paperboards with different specifications and sizes; the position of the first sliding block in the first T-shaped sliding groove can be adjusted more conveniently and rapidly through the linkage assembly, so that the height of the magnetic induction switch can be adjusted rapidly, and the magnetic iron sheet detection device can adapt to the existence of the magnetic iron sheets of the gift box paper sheets with different thicknesses.

Description

Magnet piece detection device

Technical Field

The utility model relates to a detection device, in particular to a magnet sheet detection device, and belongs to the technical field of packaging box processing.

Background

The gift box with the flip book-like box structure is produced, and magnets and iron sheets are embedded in the corresponding positions of the paper boards to realize the repeated closing and opening functions of the box. Along with the progress of technology, the automation degree of production is continuously improved, and the procedures of embedding magnets on the paperboards, pasting and the like realize automatic production and manufacturing through a leather shell machine. However, in the transfer and turnover process of the leather shell machine, the phenomena of missing or falling of the magnet and iron sheet objects on the paper board can occur, and the gift box can be scrapped and cannot be used. Therefore, a detection device capable of detecting whether the magnet falls off or not in the gift box production process is urgently needed.

Disclosure of utility model

Based on the above background, an object of the present utility model is to provide a magnet sheet detection device, which solves the problems described in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions:

A magnet piece detection device, its characterized in that: the device includes the connecting plate, connecting plate rear end fixedly connected with telescopic subassembly, the equal fixedly connected with slip table in telescopic subassembly bottom both ends, first T shape spout has been seted up in connecting plate front end left side, tooth-shaped groove has been seted up on the one side near the connecting plate rear end in the first T shape spout, be equipped with sliding connection's first slider in the first T shape spout, be equipped with linkage assembly on the first slider, its position in first T shape spout is fixed to first slider accessible linkage assembly, the second T shape spout has been seted up on connecting plate front end right side, second T shape spout sliding connection has the second slider, the equal fixedly connected with extension post in second slider and first slider bottom, extension post bottom fixedly connected with L shape erection column, be close to the bottom on the terminal surface of connecting plate is kept away from to the L shape erection column both ends, sliding connection has a plurality of dysmorphism sliders in the dysmorphism slider top, dysmorphism slider is kept away from L shape and is equipped with the elasticity magnetic induction post through the card one end and is equipped with the elasticity magnetic induction post.

Preferably, the telescopic assembly comprises a fixed rod, a telescopic groove is formed in the bottom of the fixed rod, a telescopic rod is in telescopic fit with the telescopic groove, a first tension spring is fixedly connected to one end face of the telescopic rod, which is close to the telescopic groove, one end of the first tension spring, which is far away from the telescopic rod, is fixedly connected to the opposite face of the telescopic rod, and the sliding table is fixedly connected to the opposite ends of the fixed rod and the bottom of the telescopic rod respectively.

Preferably, the linkage assembly comprises a mounting groove, the mounting groove is arranged on one surface of the first sliding block, which is close to the tooth-shaped groove, an abutting block is connected in the mounting groove in a sliding mode, a tooth-shaped surface corresponding to the tooth-shaped groove is arranged on one surface of the abutting block, which is close to the tooth-shaped groove, a plurality of springs are fixedly connected to one surface, corresponding to the tooth-shaped surface, of the abutting block, one end of each spring is fixedly connected to the inner wall of the mounting groove, a support column is fixedly connected to the top of each abutting block, the top of each support column slides on the top wall of the mounting groove, a rotating piece is rotationally connected to the top of the first sliding block, the bottom of each rotating piece penetrates into the mounting groove, an arc stirring column is fixedly connected to the bottom of each rotating piece, one end of each arc stirring column is far away from the corresponding to each support column, and the support column and the rotating piece are respectively located at two opposite positions of the arc stirring column.

Preferably, the positioning assembly comprises a mounting plate, wherein the mounting plate is fixedly connected to the top of the special-shaped sliding block, a threaded hole is formed in the center of the mounting plate, and a fixing bolt is connected in the threaded hole in a threaded mode.

Preferably, the elastic clamping component comprises a sliding groove, the sliding groove is formed in one surface of the special-shaped sliding block, far away from the L-shaped mounting column, mounting openings are formed in the left side wall and the right side wall of the sliding groove, an elastic arc plate is arranged in the mounting openings, one end of the elastic arc plate is rotationally connected in the mounting openings, the other end of the elastic arc plate can slide in the mounting openings, and the magnetic induction switch is clamped in the sliding groove through the elastic arc plate.

Preferably, the movable holes are formed in two ends of the L-shaped mounting column, the movable holes are internally provided with mounting columns in a threaded connection mode, the mounting holes are formed in the end face, far away from one end, of the mounting columns, in threaded connection with the L-shaped mounting columns, mounting sliding grooves are formed in the surfaces of the mounting columns, and the mounting sliding grooves correspond to the special-shaped sliding grooves in position after the mounting columns are in threaded connection with the L-shaped mounting columns.

Compared with the prior art, the utility model has the following advantages:

According to the magnet sheet detection device, the sliding tables are arranged at the bottoms of the opposite ends of the fixed rod and the telescopic rod in the telescopic assembly, so that the distance between the sliding tables can be adjusted, the magnet sheet detection device can adapt to shell machines of conveying tables with different widths, and the telescopic rod can be prevented from sliding out of a telescopic groove formed in the fixed rod under the action of the first tension spring.

According to the magnet sheet detection device, the first T-shaped sliding groove is formed in the connecting plate, the toothed groove is formed in the connecting plate, the mounting groove is formed in the first sliding block, the abutting block is fixedly connected with the mounting groove through the spring, the abutting block is far away from the end face of the fixed end of the spring and is arranged into the toothed face, the toothed face can be fixed at the position of the first sliding block in the first T-shaped sliding groove through the meshing clamping position among all teeth under the action of the spring, when the position of the first sliding block in the first T-shaped sliding groove needs to be moved, only the rotating piece is required to rotate to drive the poking arc column to rotate, the poking upright column is required to move into the mounting groove to drive the abutting block to move synchronously into the mounting groove, the spring is stressed to retract, finally, the toothed face can be separated from the meshing clamping state with the toothed groove, and the position of the first sliding block in the first T-shaped sliding groove can be adjusted, and after the position is determined, the rotating piece is released to further fix the position.

According to the magnet sheet detection device, the mounting plate is fixedly arranged at the top of the special-shaped sliding block, the threaded holes are formed in the mounting plate and are in threaded connection with the fixing bolts, so that the special-shaped sliding block can be fixed when sliding to a proper position in the special-shaped sliding groove formed in the L-shaped mounting column.

According to the magnet sheet detection device, the sliding grooves are formed in the special-shaped sliding blocks, the mounting holes are formed in the two side walls of the sliding grooves, the elastic arc plates are rotationally connected in the mounting holes, and when the magnetic induction switch is mounted, the position of the magnetic induction switch can be fixed through elastic restoring force between the two elastic sliding plates only by pressing the magnetic induction switch down from the top of the sliding grooves.

In summary, according to the utility model, the magnetic induction switch is more convenient to mount and dismount by mounting the elastic clamping component on the special-shaped sliding block, and meanwhile, whether the magnet piece mounted on the gift box paperboard is present or not can be detected by the mounted magnetic induction switch; the magnetic induction switch can be adjusted to be in the horizontal and vertical positions on the same horizontal plane through sliding of the special-shaped sliding blocks on the special-shaped sliding grooves formed in the L-shaped mounting columns and fixing of the special-shaped sliding blocks through the positioning assembly, so that the magnetic induction switch can adapt to the detection of the existence of magnet sheets of gift box paperboards with different specifications and sizes; the position of the first sliding block in the first T-shaped sliding groove can be adjusted more conveniently and rapidly through the linkage assembly, so that the height of the magnetic induction switch can be adjusted rapidly, and the magnetic iron sheet detection device can adapt to the existence of the magnetic iron sheets of the gift box paper sheets with different thicknesses.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the position and structure of the profiled slider, the fixed assembly and the resilient clamping assembly of the present utility model;

FIG. 4 is a schematic view of the telescopic assembly of the present utility model;

FIG. 5 is a schematic view of the positional relationship between the first slider and the linkage assembly of the present utility model;

FIG. 6 is a schematic diagram of the present utility model in semi-section of FIG. 5;

FIG. 7 is a view of the structure of the L-shaped mounting post of the present utility model;

fig. 8 is a schematic view of the structure of the column for attachment of the present utility model.

In the figure: 1. a connecting plate; 2. a telescoping assembly; 201. a fixed rod; 202. a telescopic slot; 203. a telescopic rod; 204. a first tension spring; 3. a linkage assembly; 301. a mounting groove; 302. an abutment block; 303. tooth-shaped surfaces; 304. a spring; 305. a support post; 306. a rotating member; 307. stirring the arc column; 4. a positioning assembly; 401. a mounting plate; 402. a threaded hole; 403. a fixing bolt; 5. an elastic clamping assembly; 501. a sliding groove; 502. a mounting port; 503. an elastic arc plate; 6. a sliding table; 7. the first T-shaped chute; 8. a tooth-shaped groove; 9. a first slider; 10. the second T-shaped chute; 11. a second slider; 12. adding a long column; 13. an L-shaped mounting post; 14. a special-shaped chute; 15. a special-shaped sliding block; 16. a magnetic induction switch; 17. a slide rail; 18. a movable hole; 19. adding a column; 20. adding a mounting hole; 21. and a chute is additionally arranged.

Detailed Description

The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings. It should be understood that the practice of the utility model is not limited to the following examples, but is intended to be within the scope of the utility model in any form and/or modification thereof.

In the present utility model, unless otherwise specified, all parts and percentages are by weight, and the equipment, materials, etc. used are commercially available or are conventional in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components and devices in the following examples are, unless otherwise indicated, all those components and devices known to those skilled in the art, and their structures and principles are known to those skilled in the art from technical manuals or by routine experimentation.

In the following detailed description of embodiments of the utility model, reference is made to the accompanying drawings, in which, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. However, one or more embodiments may be practiced by one of ordinary skill in the art without these specific details.

As shown in fig. 1 to 8, a magnet sheet detection apparatus is characterized in that: the device includes connecting plate 1, connecting plate 1 rear end fixedly connected with telescopic subassembly 2, telescopic subassembly 2 bottom both ends equal fixedly connected with slip table 6, first T shape spout 7 has been seted up in connecting plate 1 front end left side, tooth form groove 8 has been seted up on the one side near connecting plate 1 rear end in the first T shape spout 7, be equipped with sliding connection's first slider 9 in the first T shape spout 7, be equipped with linkage assembly 3 on the first slider 9, first slider 9 accessible linkage assembly 3 comes fixed its position in first T shape spout 7, second T shape spout 10 has been seted up on connecting plate 1 front end right side, sliding connection has second slider 11 in second T shape spout 10, second slider 11 and the equal fixedly connected with extension post 12 in first slider 9 bottom, be close to bottom on the terminal surface that extension post 12 bottom fixedly connected with L shape erection column 13 kept away from connecting plate 1, special-shaped spout 14 has been seted up near the bottom on the terminal surface that special-shaped spout 14 both ends run through L shape erection column 13 both ends, sliding connection has a plurality of special-shaped slider 15 in special-shaped slider 14, special-shaped slider 15 top is provided with locating component 4, special-shaped slider 15 sliding connection has one end, L shape card 15 is equipped with one end through keeping away from elastic magnetic induction piece 16 to hold up 13.

Connecting plate 1: for connecting, mounting and connecting the various components of the present utility model. Telescoping assembly 2 and slip table 6: the sliding tables 6 are arranged at the bottoms of the opposite ends of the fixed rod 201 and the telescopic rod 203 in the telescopic assembly 2, so that the distance between the sliding tables 6 can be adjusted, the telescopic assembly can adapt to the leather shell machines of different width transportation tables, and the telescopic rod 203 can be prevented from sliding out of the telescopic groove 202 formed in the fixed rod 201 under the action of the first tension spring 204. First spout, first slider 9, tooth form groove and linkage assembly 3: the height of the magnetic induction switch 16 can be adjusted through the cooperation movement among the two, so that the detection of the existence of the magnetic patches on the gift box paperboards with different thicknesses can be adapted. L-shaped mounting post 13: for sliding connection of the profiled slider 15. Positioning assembly 4: the position where the profiled slider 15 slides on the L-shaped mounting post 13 can be fixed. Elastic clamping assembly 5: the magnetic induction switch 16 is clamped in a sliding groove 501 formed on the special-shaped sliding block 15.

Further, the telescopic assembly 2 comprises a fixing rod 201, a telescopic groove 202 is formed in the bottom of the fixing rod 201, a telescopic rod 203 is in telescopic fit in the telescopic groove 202, a first tension spring 204 is fixedly connected to one end face, close to the telescopic groove 202, of the telescopic rod 203, one end, far away from the telescopic rod 203, of the first tension spring 204 is fixedly connected to the opposite face, opposite to the telescopic rod 203, of the telescopic groove 202, and sliding tables 6 are respectively and fixedly connected to the opposite ends, opposite to the bottoms, of the fixing rod 201 and the telescopic rod 203. The sliding tables 6 are arranged at the bottoms of the opposite ends of the fixed rod 201 and the telescopic rod 203 in the telescopic assembly 2, so that the distance between the sliding tables 6 can be adjusted, the telescopic assembly can adapt to the leather shell machines of different width transportation tables, and the telescopic rod 203 can be prevented from sliding out of the telescopic groove 202 formed in the fixed rod 201 under the action of the first tension spring 204.

Further, the linkage assembly 3 includes mounting groove 301, mounting groove 301 is offered on the first slider 9 is close to tooth groove 8 one side, sliding connection butt piece 302 in mounting groove 301, set up into the tooth profile face 303 that corresponds with tooth profile groove 8 on the butt piece 302 is close to tooth groove 8 one side, fixedly connected with a plurality of springs 304 on the face that corresponds with tooth profile face 303 of butt piece 302, spring 304 one end fixedly connected with is on mounting groove 301 inner wall, butt piece 302 top fixedly connected with pillar 305, pillar 305 top and mounting groove 301 roof slip, first slider 9 top rotates and is connected with rotor 306, rotor 306 bottom runs through to mounting groove 301 in, rotor 306 bottom fixedly connected with stirs arc post 307, it keeps away from rotor 306 one end and the pillar 305 butt to stir arc post 307, pillar 305 and rotor 306 are located the both ends opposite face position of stirring arc post 307 respectively. The first T-shaped sliding groove 7 is formed in the connecting plate 1, the toothed groove is formed in the connecting plate, the mounting groove 301 is formed in the first sliding block 9, the abutting block 302 is fixedly connected to the mounting groove 301 through the spring 304, the abutting block 302 is far away from the end face fixed by the spring 304 and is arranged to be a toothed surface, the toothed surface can be fixed at the position of the toothed groove through the meshing clamping position among all teeth under the action of the spring 304, the position of the first sliding block 9 in the first T-shaped sliding groove 7 can be further fixed, when the position of the first sliding block 9 in the T-shaped sliding groove needs to be moved, only the rotating piece 306 is required to be rotated to drive the toggle arc column 307 to rotate, the upright column can be toggled to move into the mounting groove 301, the abutting block 302 is driven to move synchronously into the mounting groove 301, the spring 304 is stressed to retract, finally, the toothed surface can be separated from the meshing clamping state with the toothed groove, and the position of the first sliding block 9 in the first T-shaped sliding groove 7 can be adjusted, and the position of the rotating piece 306 can be further fixed after the position is determined.

Further, the positioning assembly 4 comprises a mounting plate 401, the mounting plate 401 is fixedly connected to the top of the special-shaped sliding block 15, a threaded hole 402 is formed in the center of the mounting plate 401, and a fixing bolt 403 is connected in the threaded hole 402 in a threaded mode. The mounting plate 401 is fixedly mounted on the top of the special-shaped sliding block 15, and the mounting plate 401 is provided with a threaded hole 402 in threaded connection with a fixing bolt 403, so that when the special-shaped sliding block 15 slides to a proper position in the special-shaped sliding groove 14 formed in the L-shaped mounting column 13, the position of the special-shaped sliding block can be fixed.

Further, the elastic clamping assembly 5 comprises a sliding groove 501, the sliding groove 501 is formed in the surface, far away from the L-shaped mounting column 13, of the special-shaped sliding block 15, mounting openings 502 are formed in the left side wall and the right side wall of the sliding groove 501, an elastic arc plate 503 is arranged in the mounting openings 502, one end of the elastic arc plate 503 is rotationally connected in the mounting openings 502, the other end of the elastic arc plate 503 can slide in the mounting openings 502, and the magnetic induction switch 16 is clamped in the sliding groove 501 through the elastic arc plate 503. By arranging the sliding groove 501 on the special-shaped sliding block 15, arranging the mounting openings 502 on the two side walls of the sliding groove 501, and rotationally connecting the elastic arc plates 503 in the mounting openings 502, when the magnetic induction switch 16 is mounted, the position of the magnetic induction switch 16 can be fixed by the elastic restoring force between the two elastic sliding plates only by pressing the magnetic induction switch 16 down from the top of the sliding groove 501.

Further, movable holes 18 are formed at two ends of the L-shaped mounting column 13, an additional column 19 is connected in the movable holes 18 in a threaded manner, an additional hole 20 is formed in the end face, far away from one end, connected with the L-shaped mounting column 13 in a threaded manner, of the additional column 19, an additional chute 21 is formed in the surface of the additional column 19, and the additional chute 21 corresponds to the special-shaped chute 14 in position after the additional column 19 is connected with the L-shaped mounting column 13 in a threaded manner. Through installing additional post 19 at L shape erection column 13 both ends additional, can make the sliding distance of dysmorphism slider 15 increase, can adapt to the magnet piece detection on the gift box of different specifications.

Notably, are: in the use process, the slide rails 17 are respectively arranged on two sides of the conveying table of the shell machine, so that the utility model can be connected to the slide rails 17 through the slide table 6 so as to be connected to the shell machine in a sliding manner, and the slide rails 17 are arranged on the conveying table of the shell machine before the gift box is not formed.

The working principle of the magnet sheet detection device provided by the utility model is as follows:

When the magnetic induction switch is used, the length of the telescopic assembly 2 is adjusted according to the distance between the sliding rails 17 arranged on the leather shell machine, so that the sliding tables 6 arranged at the bottoms of the fixed rod 201 and the telescopic rod 203 can be connected to the sliding rails 17 in a sliding manner, the magnetic induction switch can be arranged on the leather shell machine, the special-shaped sliding blocks 15 corresponding to the number of magnet sheets are arranged in the special-shaped sliding grooves 14 formed in the L-shaped mounting columns 13 in a sliding manner according to the number and the positions of magnet sheets on the same batch of gift box paperboards, then the magnetic induction switch 16 is extruded and slid downwards from the sliding grooves 501 of the special-shaped sliding blocks 15, the magnetic induction switch 16 generates extrusion force on the elastic arc plates 503, the elastic arc plates deform, and when the magnetic induction switch 16 is extruded and slid downwards at a proper position in the sliding grooves 501, the magnetic induction switch can be clamped in the sliding grooves 501 through the elastic restoring force of the elastic arc plates 503; the position of the special-shaped sliding block 15 in the special-shaped sliding groove 14 is slid through the position of the magnet piece on the gift box paper board, when the special-shaped sliding block 15 slides to be vertical to the position of the magnet piece, the fixing bolt 403 is screwed into the threaded hole 402 towards the direction of the L-shaped mounting column 13, the position of the special-shaped sliding block 15 can be fixed by the abutting of the fixing bolt 403 and the surface of the L-shaped mounting column 13, finally, the toggle arc column 307 is driven to rotate by the rotating piece 306, the toggle upright post can move towards the inside of the mounting groove 301, the abutting block 302 is driven to synchronously move towards the inside of the mounting groove 301, the spring 304 is stressed to retract, finally, the toothed surface can be separated from the meshing clamping state with the toothed groove, the position of the first sliding block 9 in the first T-shaped sliding groove 7 can be adjusted, the height distance of the L-shaped mounting column 13 can be adjusted, and the height of the magnetic induction switch 16 can be adjusted, so that the detection process can be conveniently carried out, and the height of the rotating piece 306 can be fixed after the detection process is adjusted to a well position.

The last worth explaining is: the magnetic induction switch 16 is electrically connected with an operation control circuit of the leather shell machine, and when any one magnetic induction switch 16 cannot monitor the magnet sheet, the control circuit can control the leather shell machine to stop and alarm, and the leather shell machine can operate again after only taking a piece of gift box paper board which is being detected at the moment and ending an alarm state.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A magnet piece detection device, its characterized in that: the device comprises a connecting plate (1), a telescopic component (2) is fixedly connected to the rear end of the connecting plate (1), sliding tables (6) are fixedly connected to the two ends of the bottom of the telescopic component (2), a first T-shaped sliding groove (7) is formed in the left side of the front end of the connecting plate (1), a tooth-shaped groove (8) is formed in one surface, close to the rear end of the connecting plate (1), of the first T-shaped sliding groove (7), a first sliding block (9) in sliding connection is arranged in the first T-shaped sliding groove (7), a linkage component (3) is arranged on the first sliding block (9), the position of the first sliding block (9) in the first T-shaped sliding groove (7) is fixed through the linkage component (3), a second T-shaped sliding groove (10) is formed in the right side of the front end of the connecting plate (1), a second sliding block (11) is connected to the bottom of the first sliding block (9) in a sliding manner, a lengthening column (12) is fixedly connected to the bottom of the second sliding block (11), a connecting column (13) is fixedly connected to the bottom of the first T-shaped sliding groove (7), two ends (13) are arranged on the bottom of the second T-shaped sliding groove (11), two ends (13) are far away from the special-shaped sliding grooves (13) respectively, the special-shaped sliding groove (14) is internally and slidably connected with a plurality of special-shaped sliding blocks (15), a positioning assembly (4) is arranged at the top of each special-shaped sliding block (15), and a magnetic induction switch (16) is clamped at one end, far away from the L-shaped mounting column (13), of each special-shaped sliding block (15) through an elastic clamping assembly (5).

2. A magnet sheet detection apparatus according to claim 1, wherein: the telescopic assembly (2) comprises a fixing rod (201), a telescopic groove (202) is formed in the bottom of the fixing rod (201), a telescopic rod (203) is in telescopic fit in the telescopic groove (202), a first tension spring (204) is fixedly connected to one end face of the telescopic rod (203) close to the telescopic groove (202), one end of the first tension spring (204) away from the telescopic rod (203) is fixedly connected to the opposite face of the telescopic rod (203) in the telescopic groove (202), and the sliding table (6) is fixedly connected to the opposite ends of the bottoms of the fixing rod (201) and the telescopic rod (203) respectively.

3. A magnet sheet detection apparatus according to claim 1, wherein: the linkage assembly (3) comprises a mounting groove (301), the mounting groove (301) is formed in one face of a first sliding block (9) close to a tooth-shaped groove (8), an abutting block (302) is connected in a sliding mode in the mounting groove (301), a tooth-shaped surface (303) corresponding to the tooth-shaped groove (8) is formed in one face of the abutting block (302) close to the tooth-shaped groove (8), a plurality of springs (304) are fixedly connected to one face, corresponding to the tooth-shaped surface (303), of the abutting block (302), one end of each spring (304) is fixedly connected to the inner wall of the mounting groove (301), a support column (305) is fixedly connected to the top of each abutting block (302), the top of each support column (305) slides on the top wall of the mounting groove (301), a rotating piece (306) is connected to the top of each first sliding block (9), the bottom of each rotating piece (306) penetrates into the mounting groove (301), an arc column (307) is fixedly connected to the bottom of each rotating piece (306), one end, far away from each rotating piece (306), of each arc column (307) is connected with each support column (305), and each arc column (307) is located at two opposite positions of the two opposite ends of each support column (305).

4. A magnet sheet detection apparatus according to claim 1, wherein: the locating component (4) comprises a mounting plate (401), the mounting plate (401) is fixedly connected to the top of the special-shaped sliding block (15), a threaded hole (402) is formed in the center of the mounting plate (401), and a fixing bolt (403) is connected to the internal threads of the threaded hole (402).

5. A magnet sheet detection apparatus according to claim 1, wherein: the elastic clamping component (5) comprises a sliding groove (501), the sliding groove (501) is formed in a surface, far away from an L-shaped mounting column (13), of a special-shaped sliding block (15), mounting openings (502) are formed in the left side wall and the right side wall of the sliding groove (501), elastic arc plates (503) are arranged in the mounting openings (502), one ends of the elastic arc plates (503) are rotationally connected in the mounting openings (502), the other ends of the elastic arc plates (503) can slide in the mounting openings (502), and the magnetic induction switch (16) is clamped in the sliding groove (501) through the elastic arc plates (503).

6. A magnet sheet detection apparatus according to claim 1, wherein: the movable holes (18) are formed in two ends of the L-shaped mounting column (13), the movable holes (18) are internally provided with mounting columns (19) in a threaded connection mode, mounting holes (20) are formed in the end faces, far away from one ends, connected with the L-shaped mounting column (13) in a threaded connection mode, of the mounting columns (19), mounting sliding grooves (21) are formed in the surfaces of the mounting columns (19), and the mounting sliding grooves (21) correspond to the positions of the special-shaped sliding grooves (14) after the mounting columns (19) are connected with the L-shaped mounting column (13) in a threaded connection mode.