Bottle body spraying anti-falling mechanism

Abstract

The utility model belongs to the technical field of bottle body spraying, and relates to a bottle body spraying anti-falling mechanism which comprises two supporting plates which are symmetrically arranged, a conveying belt is arranged between the two supporting plates, a plurality of clamping assemblies are fixedly arranged on the outer surface of the conveying belt at intervals, each clamping assembly comprises a containing plate, a lead screw is rotationally arranged in each containing plate, and the lead screw is connected with the conveying belt. The screw rod is provided with two threaded sections opposite in screwing direction, the two threaded sections of the screw rod are both sleeved with sliding blocks in a threaded mode, the top end of each sliding block is fixedly connected with an arc-shaped fixing plate, the fixing plates are slidably connected to the face, away from the conveying belt, of the containing plate, the supporting plate is provided with a driving part, and when the conveying belt drives the multiple clamping assemblies to move, the driving part drives the clamping assemblies to move. The driving piece sequentially drives the lead screws on the clamping assemblies to rotate. When the conveying belt drives the containing plate to move, the first rack can drive the first gear to rotate, the fixing plate automatically clamps and fixes the bottom end of the bottle, and when the bottle body is cleaned, the situation that the bottle shakes or moves is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bottle body spray technical field relates to a bottle body spray anti -toppling mechanism. BACKGROUND

[0002] The bottle body refers to the main part of the bottle, that is, the central part of the bottle, which is usually made of glass, plastic, ceramic and other materials. The bottle needs to be sprayed and sterilized before filling the liquid. In order to avoid the bottle from toppling over, an anti-toppling mechanism needs to be set up during the spraying process.

[0003] A kind of atomization spray sterilization equipment is disclosed in Chinese patent CN210618676U, including shell and conveying mechanism, the conveying mechanism is located in the shell interior, conveying mechanism includes conveying belt, first driving wheel, first motor and first driven wheel, the first motor is fixedly arranged on the inner wall of the shell body, the first driving wheel is arranged on the output end of the first motor, the first driven wheel is penetrated by second shaft, the two ends of the second shaft also penetrate the bearing, the conveying belt is respectively abutted with the first driving wheel and first driven wheel.

[0004] The spraying sterilization equipment transports the bottle by the conveying belt, and the bristles on the connecting rod are in contact with the bottle during cleaning. In the cleaning process, the bottle is easily displaced and separated from the bristles, so that the cleaning effect is not good enough.

[0005] To solve the above problems, the utility model provides a bottle body spray anti-toppling mechanism. UTILITY MODEL CONTENTS

[0006] To solve the problems in the background art, the utility model provides a bottle body spray anti-toppling mechanism.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme: two symmetrical supporting plates are arranged, conveying belt is arranged between the two supporting plates, working tank is fixedly arranged above the conveying belt, two groups of cleaning assemblies are symmetrically arranged at the bottom of the working tank, and spraying assembly is arranged in the working tank.

[0008] The outer surface of the conveying belt is fixedly provided with a plurality of groups of clamping assemblies, the clamping assembly comprises a placing plate, a screw rod is rotatably arranged in the placing plate, two thread segments with opposite rotation directions are arranged on the screw rod, a sliding block is threadedly arranged on each thread segment of the screw rod, the top end of each sliding block is fixedly connected with an arc-shaped fixed plate, and the fixed plate is slidingly connected to one side of the placing plate away from the conveying belt.

[0009] The supporting plate is provided with a driving part, when the conveying belt drives the movement of the plurality of groups of clamping assemblies, the driving part drives the rotation of the screw rod on the clamping assembly in sequence.

[0010] Further, the driving member comprises a first gear rack and a second gear rack, the first gear rack and the second gear rack are fixedly connected to the two ends of the top surface of the same supporting plate respectively, the working box is located between the first gear rack and the second gear rack, the second gear rack is arranged in an L shape, and the teeth on the second gear rack are located on the bottom surface of the top end of the second gear rack;

[0011] One end of each of the lead screws is rotatably connected to the side surface of the placement plate, and the end of each lead screw extending to the outside of the placement plate is fixedly connected with a first gear.

[0012] Further, the placement plate is fixedly connected to the outer surface of the conveying belt, the placement plate is made of rubber, a sliding groove is formed in the middle part of the placement plate, the lead screw is rotatably connected to the inside of the sliding groove, the sliding block is slidably connected to the inside of the sliding groove, and the side surface of the corresponding two supporting plates is provided with a rubber layer.

[0013] Further, one end of the inside of the conveying belt is provided with a driving roller, the other end of the inside of the conveying belt is provided with a transmission roller, one side of one of the supporting plates is fixedly connected with a motor, and the motor drives the driving roller to rotate.

[0014] The middle part of the conveying belt is rotatably provided with a rotating roller, the two ends of the rotating roller are rotatably connected to the corresponding supporting plates, and the rotating roller and the driving roller are driven by a chain.

[0015] Further, the cleaning assembly comprises a plurality of brush rods arranged in a straight line, the top end of each brush rod is rotatably connected to the bottom surface of the working box, the top of each brush rod is fixedly sleeved with a second gear, and the second gears on the plurality of brush rods in each cleaning assembly are meshed.

[0016] Further, the rotating assembly comprises a connecting rod rotatably connected to the side surface of the working box, the two ends of the rotating roller are driven by a belt, and the one end of the connecting rod extending into the working box is fixedly connected with a first bevel gear.

[0017] The one end of each cleaning assembly is rotatably connected to the bottom surface of the working box, the top end of the brush rod extending into the working box is fixedly connected with a second bevel gear, and the second bevel gear is meshed with the corresponding first bevel gear.

[0018] Further, the spraying assembly comprises an air bag, the inside of the working box is fixedly connected with a connecting frame, the air bag is located in the inside of the connecting frame, one end of the air bag is fixedly connected with the inner wall of the end of the connecting frame, the top end of the air bag is connected with a liquid storage tank, and the bottom end of the air bag is connected with a spraying tank.

[0019] The other end of the air bag is fixedly connected with an extrusion plate, the inside of the working box is provided with a sliding assembly, and the sliding assembly drives the extrusion plate to reciprocatingly slide in the inside of the working box.

[0020] Further, the sliding assembly comprises a connecting plate, one end of the connecting plate is fixedly connected to one side of the extrusion plate, the inside of the working box is fixedly connected with a limiting plate, the connecting plate slides through the limiting plate, and the other end of the connecting plate is fixedly connected with an annular clamping groove plate, and the clamping groove plate is vertically arranged.

[0021] One end of one of the connecting rods is coaxially fixedly connected with a disc, one side of the disc is eccentrically fixedly connected with a clamping rod, and the clamping rod is slidably connected to the inside of the clamping groove plate.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1. The bottle body spraying anti-falling mechanism is provided with a placing plate, the bottom end of the bottle is placed on the top of the placing plate and located between the two fixed plates during use, the conveying belt moves to drive the placing plate and the bottle to move, the lead screw and the first gear move, the first rack drives the first gear to rotate during movement, the lead screw rotates to drive the two sliding blocks to slide in the inside of the placing plate, the two fixed plates are driven to approach each other, the fixed plates automatically clamp and fix the bottom end of the bottle, the brush rod reduces the shaking or movement of the bottle during cleaning of the bottle body, the cleaning effect is better, and the anti-falling effect is achieved during subsequent spraying of the bottle body.

[0024] 2. The bottle body spraying anti-falling mechanism is provided with a second rack, after spraying of the bottle is completed, the placing plate drives the bottle to move to the second rack, the second rack drives the first gear to rotate, the lead screw rotates to drive the two fixed plates to move away from each other, and the bottle can be conveniently taken away by the staff, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0026] Figure 2 It is a structure schematic view of the placing plate in the utility model;

[0027] Figure 3 It is a structure schematic view of the working box in the utility model;

[0028] Figure 4 It is a structure schematic view of the connecting plate in the utility model.

[0029] In the diagram: 1. Support plate; 2. Conveyor belt; 3. Motor; 4. First rack; 5. Second rack; 6. Placement plate; 7. Lead screw; 8. First gear; 9. Fixing plate; 10. Working box; 11. Connecting rod; 12. First bevel gear; 13. Brush rod; 14. Second bevel gear; 15. Disc; 16. Locking rod; 17. Slot plate; 18. Connecting plate; 19. Limiting plate; 20. Extrusion plate; 21. Connecting frame; 22. Airbag; 23. First connecting pipe; 24. Second connecting pipe; 25. Spray box; 26. Liquid storage tank; 27. Second gear; 28. Belt; 29. ​​Slider. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] like Figures 1-4 As shown, the technical solution adopted by this utility model is as follows: a bottle spray anti-tipping mechanism, including two symmetrically arranged support plates 1, and a conveyor belt 2 is arranged between the two support plates 1.

[0032] A drive roller is installed at one end of the conveyor belt 2, and a drive roller is installed at the other end. A motor 3 is fixedly connected to one side of one of the support plates 1, and the motor 3 drives the drive roller to rotate. The rotation of the drive roller drives the conveyor belt 2 to move, causing the driven roller to rotate.

[0033] Several sets of clamping assemblies are fixedly arranged at intervals on the outer surface of the conveyor belt 2. Each clamping assembly includes a placement plate 6, with a lead screw 7 rotatably mounted inside the placement plate 6. The lead screw 7 has two threaded sections with opposite directions of rotation, and each threaded section of the lead screw 7 is threaded with a slider 29. Rotation of the lead screw 7 drives the two sliders 29 to slide towards or away from each other. An arc-shaped fixing plate 9 is fixedly connected to the top of each slider 29, and the fixing plate 9 is slidably connected to the side of the placement plate 6 away from the conveyor belt 2.

[0034] The placement plate 6 is fixedly connected to the outer surface of the conveyor belt 2, and the placement plate 6 is made of rubber. The lead screw 7 is set in a direction perpendicular to the moving direction of the conveyor belt 2, so that the placement plate 6 and the lead screw 7 can move with the conveyor belt 2.

[0035] A groove is provided in the middle of the placement plate 6. A lead screw 7 is rotatably connected to the inside of the groove, and a slider 29 is slidably connected to the inside of the groove. The groove limits the sliding of the slider 29. A rubber layer is provided on the adjacent sides of the two corresponding fixing plates 9. The rubber layer has a cushioning effect to prevent damage to the bottle.

[0036] The driving member is arranged on the support plate 1, and the driving member drives the lead screw 7 on the clamping assembly to rotate in sequence when the conveying belt 2 drives a plurality of groups of clamping assemblies to move.

[0037] The driving member comprises a first rack 4 and a second rack 5, and the first rack 4 and the second rack 5 are fixedly connected to the two ends of the top surface of the same support plate 1 respectively.

[0038] A working box 10 is fixedly arranged above the conveying belt 2, and the top of each support plate 1 is fixedly connected with a support plate, and the two support plates are fixedly connected to the bottom of the working box 10. The working box 10 is located between the first rack 4 and the second rack 5. The second rack 5 is arranged in an L shape, and the teeth on the second rack 5 are located on the bottom surface of the top end of the second rack 5.

[0039] One end of each lead screw 7 is rotatably penetrated through the side surface of the placement plate 6, and one end of each lead screw 7 extending out of the placement plate 6 is fixedly connected with a first gear 8. The first gear 8 is located between the teeth on the first rack 4 and the teeth on the second rack 5, and the first gear 8 is engaged with the first rack 4 and the second rack 5. When the first gear 8 moves with the conveying belt 2, the first rack 4 and the second rack 5 will drive the first gear 8 to rotate in sequence.

[0040] Two groups of cleaning assemblies are symmetrically arranged on the bottom of the working box 10.

[0041] The cleaning assembly comprises a plurality of brush rods 13 arranged in a straight line, and the top end of each brush rod 13 is rotatably connected to the bottom surface of the working box 10. The top of each brush rod 13 is fixedly sleeved with a second gear 27, and the second gears 27 on the plurality of brush rods 13 in each group of cleaning assemblies are engaged. The plurality of brush rods 13 in each group of cleaning assemblies are driven to rotate together through the transmission of the second gears 27.

[0042] Two rotating assemblies are symmetrically arranged on the working box 10, and the rotating assemblies correspond to the cleaning assemblies one by one. The rotating assembly drives one brush rod 13 at the end of the corresponding cleaning assembly to rotate. When one of the brush rods 13 rotates, the remaining brush rods 13 on the cleaning assembly will also rotate together.

[0043] The rotating assembly comprises a connecting rod 11 rotatably penetrating through the side surface of the working box 10.

[0044] A rotating roller is rotatably arranged in the middle of the conveying belt 2, and the two ends of the rotating roller are rotatably penetrated through the corresponding support plate 1. The rotating roller and the driving roller are driven by the chain. When the motor 3 drives the driving roller to rotate, the rotating roller is driven to rotate through the chain.

[0045] The two ends of the rotating roller are respectively driven by the belt 28 through the corresponding connecting rod 11, and the rotating roller drives the two connecting rods 11 to rotate through the belt 28 when rotating. The end of the connecting rod 11 extending into the working box 10 is fixedly connected with the first bevel gear 12. The connecting part of the connecting rod 11 and the working box 10 is provided with a bearing, which increases the stability of the connecting rod 11.

[0046] One brush rod 13 at the end of each cleaning assembly rotates through the bottom surface of the working box 10, and the top end of the brush rod 13 extending into the working box 10 is fixedly connected with the second bevel gear 14. The second bevel gear 14 is engaged with the corresponding first bevel gear 12. The first bevel gear 12 drives the corresponding second bevel gear 14 to rotate when rotating, so that the corresponding brush rod 13 rotates.

[0047] The inside of the working box 10 is provided with a spraying assembly.

[0048] The spraying assembly includes an air bag 22. The inside of the working box 10 is fixedly connected with a connecting frame 21, the air bag 22 is located in the inside of the connecting frame 21, and one end of the air bag 22 is fixedly connected with the inner wall of the end of the connecting frame 21. The end of the air bag 22 is fixed in the connecting frame 21, and the air bag 22 can move in the connecting frame 21.

[0049] The top end of the air bag 22 is connected with a liquid storage tank 26, and the liquid storage tank 26 is fixedly connected to the top of the working box 10. A first connecting pipe 23 is fixedly connected at the liquid outlet of the bottom of the liquid storage tank 26, and the bottom end of the first connecting pipe 23 is fixedly penetrated through the top surface of the working box 10 and fixedly communicated with the air bag 22. A first one-way valve is arranged on the first connecting pipe 23, and the first one-way valve allows the spraying liquid in the liquid storage tank 26 to flow into the inside of the air bag 22.

[0050] The bottom end of the air bag 22 is connected with a spraying tank 25, and the spraying tank 25 is located below the working box 10. A second connecting pipe 24 is fixedly connected at the liquid outlet of the bottom of the air bag 22, and the second connecting pipe 24 is fixedly penetrated through the bottom surface of the working box 10. The bottom end of the second connecting pipe 24 is fixedly communicated with the spraying tank 25, and the bottom surface of the spraying tank 25 is uniformly fixedly connected with a plurality of spray heads. A second one-way valve is arranged on the second connecting pipe 24, and the second one-way valve allows the spraying liquid in the air bag 22 to flow into the inside of the spraying tank 25.

[0051] The other end of the air bag 22 is fixedly connected with a pressing plate 20. The inside of the working box 10 is provided with a sliding assembly, and the sliding assembly drives the pressing plate 20 to reciprocate in the inside of the working box 10. The pressing plate 20 compresses or stretches the air bag 22 when sliding.

[0052] The sliding assembly comprises a connecting plate 18, one end of the connecting plate 18 is fixedly connected to one side of the extrusion plate 20. The inside of the working box 10 is fixedly connected with a limiting plate 19, the connecting plate 18 slides through the limiting plate 19, and the limiting plate 19 limits the sliding of the connecting plate 18. The other end of the connecting plate 18 is fixedly connected with a ring-shaped clamping groove plate 17, and the clamping groove plate 17 is vertically arranged.

[0053] One end of one of the connecting rods 11 is coaxially fixedly connected with a disc 15, one side of the disc 15 is eccentrically fixedly connected with a clamping rod 16, and the clamping rod 16 is slidably connected to the inside of the clamping groove plate 17. The connecting rod 11 drives the disc 15 and the clamping rod 16 to rotate, so that the clamping rod 16 slides in the inside of the clamping groove plate 17, and the clamping rod 16 drives the clamping groove plate 17 to reciprocatingly slide.

[0054] Working principle:

[0055] In use, the bottle is placed on the placing plate 6, and the bottom end of the bottle is located between the two fixed plates 9.

[0056] The motor 3 is started to drive the driving roller to rotate. The conveying belt 2 moves, and the transmission roller rotates. At the same time, the driving roller drives the rotating roller to rotate through the chain.

[0057] The conveying belt 2 drives the placing plate 6 to move, so that the bottle, the lead screw 7 and the first gear 8 move. When the first gear 8 moves to the first rack 4, the first rack 4 drives the first gear 8 to rotate. At this time, the first gear 8 rotates in the forward direction, so that the two sliding blocks 29 slide towards each other, drive the fixed plate 9 to move, and the two fixed plates 9 approach each other until the two fixed plates 9 clamp and fix the bottle.

[0058] The conveying belt 2 continues to move, so that the first gear 8 moves away from the first rack 4.

[0059] The rotating roller drives the two connecting rods 11 to rotate through the belt 28, so that the first bevel gear 12 rotates. The first bevel gear 12 drives the corresponding second bevel gear 14 to rotate, so that one of the brush rods 13 in the cleaning assembly located at the end rotates.

[0060] The second gear 27 on the brush rod 13 located at the end rotates, drives all the brush rods 13 to rotate through meshing, so that the brush rod 13 cleans the bottle body moving to the position right below the working box 10.

[0061] One of the connecting rods 11 drives the disc 15 and the clamping rod 16 to rotate, and the clamping rod 16 slides in the inside of the clamping groove plate 17. Due to the limitation of the limiting plate 19 to the connecting plate 18, the clamping rod 16 drives the clamping groove plate 17 and the connecting plate 18 to reciprocatingly slide when rotating, drives the extrusion plate 20 to reciprocatingly move, and the extrusion plate 20 drives one end of the air bag 22 to move.

[0062] When the pressing plate 20 moves to the end close to the limiting plate 19, the air bag 22 generates suction force, and the spraying liquid in the liquid storage tank 26 enters the inside of the air bag 22 through the first connecting pipe 23.

[0063] When the pressing plate 20 moves to the end away from the limiting plate 19, the air bag 22 is extruded, and the spraying liquid in the air bag 22 enters the inside of the spraying tank 25 through the second connecting pipe 24, and then is sprayed to the bottle body through the spray head. When the bottle body is sprayed, the fixing plate 9 fixes the bottle, and the purpose of preventing falling is achieved.

[0064] After the bottle body is sprayed, the conveying belt 2 continues to drive the placing plate 6 to move. The placing plate 6 moves to the second rack 5.

[0065] The second rack 5 drives the first gear 8 to rotate, and the first gear 8 is reversed. The two sliding blocks 29 slide away from each other, drive the fixing plate 9 to move, and the fixing plate 9 is away from the bottle. At this time, the staff can take out the bottle conveniently. Then the placing plate 6 continues to move, so as to be used again.

[0066] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A bottle body spouting anti-inversion mechanism, characterized by, Including two symmetrical support plates (1), the two support plates (1) are provided with a conveying belt (2), the top of the conveying belt (2) is fixedly provided with a working box (10), the bottom of the working box (10) is symmetrically provided with two groups of cleaning assemblies, the inside of the working box (10) is provided with a spraying assembly; The outer surface of the conveying belt (2) is fixedly provided with a plurality of groups of clamping assemblies, the clamping assembly comprises a placement plate (6), a screw rod (7) is rotatably arranged in the inside of the placement plate (6), the screw rod (7) is provided with two thread sections with opposite rotation directions, the two thread sections of the screw rod (7) are threadedly provided with sliding blocks (29), the top end of each sliding block (29) is fixedly connected with an arc-shaped fixed plate (9), and the fixed plate (9) is slidingly connected to one side of the placement plate (6) away from the conveying belt (2); The support plate (1) is provided with a driving member, when the conveying belt (2) drives the movement of the plurality of groups of clamping assemblies, the driving member drives the rotation of the screw rod (7) on the clamping assembly in sequence.

2. The bottle anti-slosh mechanism of claim 1, wherein: The driving member comprises a first rack (4) and a second rack (5), the first rack (4) and the second rack (5) are fixedly connected to the two ends of the top surface of the same support plate (1), the working box (10) is located between the first rack (4) and the second rack (5), the second rack (5) is L-shaped, and the teeth on the second rack (5) are located on the bottom surface of the top end of the second rack (5); One end of each screw rod (7) is rotatably arranged through the side surface of the placement plate (6), and the end of each screw rod (7) extending to the outside of the placement plate (6) is fixedly connected with a first gear (8), the first gear (8) is located between the teeth on the first rack (4) and the teeth on the second rack (5), and the first gear (8) is engaged with the first rack (4) and the second rack (5).

3. The bottle anti-slosh mechanism of claim 1, wherein: The placement plate (6) is fixedly connected to the outer surface of the conveying belt (2), the placement plate (6) is made of rubber, a sliding groove is formed in the middle of the placement plate (6), the screw rod (7) is rotatably connected to the inside of the sliding groove, the sliding block (29) is slidingly connected to the inside of the sliding groove, and the side of the corresponding two fixed plates (9) close to each other is provided with a rubber layer.

4. The bottle anti-siphon mechanism of claim 1, wherein: One end of the inside of the conveying belt (2) is provided with a driving roller, the other end of the inside of the conveying belt (2) is provided with a transmission roller, one side of one of the support plates (1) is fixedly connected with a motor (3), and the motor (3) drives the rotation of the driving roller; A rotating roller is rotatably arranged in the middle of the conveying belt (2), the two ends of the rotating roller are rotatably arranged through the corresponding support plates (1), and the rotating roller and the driving roller are driven by a chain.

5. The bottle anti-siphon mechanism of claim 4, wherein: The cleaning assembly comprises a plurality of brush rods (13) arranged in a linear shape, the top end of each brush rod (13) is rotatably connected to the bottom surface of the working box (10), a second gear (27) is fixedly arranged on the top of each brush rod (13), and the second gears (27) on the plurality of brush rods (13) in each cleaning assembly are engaged; The working box (10) is symmetrically provided with two rotating assemblies, the rotating assembly corresponds to the cleaning assembly, and the rotating assembly drives the rotation of one brush rod (13) at the end of the corresponding cleaning assembly.

6. The bottle anti-siphon mechanism of claim 5, wherein: The rotating assembly comprises connecting rods (11) which rotate through the side surface of the working box (10), the two ends of the rotating roller are respectively driven by the belts (28) through the corresponding connecting rods (11), and one end of the connecting rod (11) extending into the working box (10) is fixedly connected with a first bevel gear (12); One brush rod (13) at the end of each cleaning assembly rotates through the bottom surface of the working box (10), and the top end of the brush rod (13) extending into the working box (10) is fixedly connected with a second bevel gear (14), and the second bevel gear (14) is engaged with the corresponding first bevel gear (12).

7. The bottle anti-siphon mechanism of claim 6, wherein: The spraying assembly comprises an air bag (22), the inside of the working box (10) is fixedly connected with a connecting frame (21), the air bag (22) is located in the inside of the connecting frame (21), one end of the air bag (22) is fixedly connected with the inner wall of the end of the connecting frame (21), the top end of the air bag (22) is connected with a liquid storage tank (26), and the bottom end of the air bag (22) is connected with a spraying tank (25); The other end of the air bag (22) is fixedly connected with a pressing plate (20), the inside of the working box (10) is provided with a sliding assembly, and the sliding assembly drives the pressing plate (20) to reciprocatingly slide in the inside of the working box (10).

8. The bottle anti-siphon mechanism of claim 7, wherein: The sliding assembly comprises a connecting plate (18), one end of the connecting plate (18) is fixedly connected to one side of the pressing plate (20), the inside of the working box (10) is fixedly connected with a limiting plate (19), the connecting plate (18) slides through the limiting plate (19), the other end of the connecting plate (18) is fixedly connected with an annular clamping groove plate (17), and the clamping groove plate (17) is vertically arranged; One end of one of the connecting rods (11) is fixedly connected with a disc (15) in the same axis, one side of the disc (15) is fixedly connected with a clamping rod (16) in eccentricity, and the clamping rod (16) is slidingly connected in the inside of the clamping groove plate (17).

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