Mask folding device for medical dressing mask processing

By designing a mask folding device containing multiple components, the rapid secondary folding of the mask is achieved, the problem of inconvenient folding of the mask in the prior art is solved, and the high standards for the processing of medical dressing masks is met.

CN222960194UActive Publication Date: 2025-06-10SHANGHAI ROYALIFE BIOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202422309880.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-06-10
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

When using the existing facial mask folding device, it is not convenient to fold the mask quickly and twice, and it cannot meet the high standards for medical dressing mask processing.

Method used

A mask folding device including a conveying component, an auxiliary feeding component, a down-pressing folding component, an auxiliary folding component, a thrust component, a flattening component, a position adjustment component and a secondary folding component is designed. Through the coordinated work of these components, the rapid secondary folding of the mask is achieved.

Benefits of technology

It achieves rapid and accurate secondary folding of the mask, meets the high standards for the processing of medical dressing masks, and improves the efficiency of the mask folding.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of mask folding devices, in particular to a mask folding device for medical dressing mask processing. The technical problem that when a facial mask folding device in the prior art is used, a facial mask is generally inconvenient to be quickly folded for the second time is solved. According to the technical scheme, the facial mask folding device for medical dressing facial mask processing comprises a conveying assembly; the folding machine further comprises an auxiliary discharging assembly, a pressing folding assembly, an auxiliary folding assembly, a pushing assembly, a flattening assembly, a position adjusting assembly and a secondary folding assembly. According to the mask folding device, a third electric cylinder is started to enable a flattening plate to backwards extrude a mask which is folded once, the folding effect on the mask can be improved, when the mask is moved to the position between a rotating plate and a second L-shaped plate, a motor is started to enable the rotating plate and the second L-shaped plate to rotate, then the mask can be folded for the second time, and the folding efficiency is improved. The technical problem is solved.
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Description

Technical Field

[0001] The utility model belongs to the field of mask folding devices, and particularly relates to a mask folding device for the processing of medical dressing masks. Background Art

[0002] As a widely used skin care product, the processing and packaging technologies of masks are constantly developing and improving. Among them, due to the special usage occasions and requirements of medical dressing masks, higher requirements are put forward for the processing technology and packaging technology of masks. In the process of processing medical dressing masks, how to fold the masks efficiently and accurately is a key link. Traditional mask folding usually needs to be carried out manually, which cannot meet the high standards required for the processing of medical dressing masks. When the mask folding devices in the prior art are in use, it is usually inconvenient to quickly fold the masks in half for the second time, and further improvement is needed. Summary of the Utility Model

[0003] In order to overcome the problem that when the mask folding devices in the prior art are in use, it is usually inconvenient to quickly fold the masks in half for the second time.

[0004] The technical solution of the utility model is as follows: a mask folding device for the processing of medical dressing masks, including a conveying component; it also includes an auxiliary blanking component, a downward pressing and folding component, an auxiliary folding component, a pushing component, a flattening component, a position adjusting component and a secondary folding component; an auxiliary blanking component for auxiliary blanking is arranged at the front end of the conveying component; a downward pressing and folding component for downward pressing and folding is arranged at the upper end of the conveying component; an auxiliary folding component for auxiliary folding is arranged on the conveying component; a pushing component for pushing the mask is arranged on the auxiliary folding component; a flattening component for flattening the mask is arranged on the auxiliary folding component; a position adjusting component is arranged at the right end of the conveying component; a secondary folding component for secondarily folding the mask is arranged on the position adjusting component.

[0005] Preferably, during use, place the mask on the conveyor belt of the conveying component, start the conveying component to convey the mask, and the mask will be moved to the upper end of the auxiliary blanking component. Then start the downward pressing and folding component to press and fold the mask on the auxiliary blanking component and place it in the auxiliary folding component. Then start the pushing component to move the folded mask to the right. Then start the flattening component to flatten the folded mask once. Then the pushing component will move the mask into the secondary folding component. Start the secondary folding component to make the secondary folding component rotate to secondarily fold the mask. Then manually take out the secondarily folded mask and manually bag it. Starting the position adjusting component can adjust the position of the secondary folding component relative to the auxiliary folding component, solving the problem that when the mask folding devices in the prior art are in use, it is usually inconvenient to quickly fold the masks in half for the second time.

[0006] Preferably, the conveying assembly includes a support body, a bearing plate, a belt conveyor and a blanking chute; the upper end of the support body is fixedly connected with the bearing plate; the upper end of the bearing plate is provided with a belt conveyor; the upper and lower ends of the support body are penetrated and provided with a blanking chute. Manually place the facial mask on the conveyor belt of the belt conveyor, and start the belt conveyor to convey the facial mask to the left.

[0007] Preferably, the auxiliary blanking assembly includes a carrier, a first groove body, an auxiliary roller and a second groove body; the upper end of the bearing plate is fixedly connected with the carrier; the upper and lower ends of the carrier are penetrated and provided with a first groove body and a second groove body; the left and right ends of the inner wall of the first groove body are rotatably installed with uniformly distributed auxiliary rollers. When the facial mask is conveyed forward, the front half of the facial mask will be moved to the auxiliary rollers by inertia, and the middle part of the facial mask will be directly above the second groove body.

[0008] Preferably, the pressing and folding assembly includes a bracket, a first electric cylinder and a folding plate; the upper end of the bearing plate is fixedly connected with the bracket; the upper end of the bracket is fixedly connected with the first electric cylinder; the lower end of the output shaft of the first electric cylinder penetrates the bracket and is fixedly connected with the first electric cylinder; the folding plate is directly above the second groove body. When the middle part of the facial mask is moved above the second groove body, start the first electric cylinder to make the folding plate move downward. The folding plate can press down the middle part of the facial mask, so that the facial mask can be quickly pressed and folded in half.

[0009] Preferably, the auxiliary folding assembly includes a first L-shaped plate and a baffle; the front edge of the lower end of the bearing plate is fixedly connected with the first L-shaped plate; the rear edge of the upper end of the first L-shaped plate is fixedly connected with the baffle; the first L-shaped plate is in an "L" shape, and the first L-shaped plate and the baffle together form a "U" shape, which can facilitate the limitation of the facial mask.

[0010] Preferably, the pushing assembly includes a first bearing block, a fixed block, a second electric cylinder and a first pushing block; the upper end of the first L-shaped plate is fixedly connected with the first bearing block; the upper end of the first bearing block is fixedly connected with the fixed block; the left end of the fixed block is fixedly connected with the second electric cylinder; the right end of the output shaft of the second electric cylinder penetrates the fixed block and is fixedly connected with the first pushing block; the front and rear ends of the first pushing block are respectively attached to the mutually approaching ends of the first L-shaped plate and the baffle. When it is necessary to convey the facial mask located at the upper end of the first bearing block to the right, start the second electric cylinder to make the first pushing block move to the right, and the facial mask can be moved and sent out to the right.

[0011] Preferably, the flattening assembly includes a fixing plate, a third electric cylinder and a flattening plate; the upper end of the first L-shaped plate is fixedly connected with the fixing plate; the front end of the fixing plate is fixedly connected with the third electric cylinder; the rear end of the output shaft of the third electric cylinder penetrates the fixing plate and is fixedly connected with the flattening plate. When the facial mask is moved to the rear of the flattening plate by the pushing assembly, start the third electric cylinder to make the flattening plate squeeze the facial mask that has been folded once backward, which can improve the folding effect of the facial mask.

[0012] Preferably, the position adjusting assembly includes a bottom plate, a fourth electric cylinder, a second push block and a limiting block; the right end of the support body is fixedly connected with the bottom plate; the upper end of the bottom plate is fixedly connected with the fourth electric cylinder; the right end of the output shaft of the fourth electric cylinder is fixedly connected with the second push block; the upper end of the bottom plate is fixedly connected with two limiting blocks; the ends of the two limiting blocks close to each other are attached to the front and rear ends of the second push block. By turning on the fourth electric cylinder to move the second push block left and right, it is convenient to quickly adjust the position of the secondary folding assembly in the left and right directions.

[0013] Preferably, the secondary folding assembly includes a second bearing block, a connecting frame, a fifth electric cylinder, a lifting block, a motor, a rotating plate and a second L-shaped plate; the upper end of the second push block is fixedly connected with the second bearing block; the lower end of the second bearing block is fixedly connected with the connecting frame; the lower end of the connecting frame is fixedly connected with the fifth electric cylinder; the upper end of the output shaft of the fifth electric cylinder penetrates through the connecting frame and is fixedly connected with the lifting block; the upper end of the lifting block is fixedly connected with the motor; the upper end of the output shaft of the motor is fixedly connected with the rotating plate; the front end of the rotating plate is fixedly connected with the second L-shaped plate; the rear end surfaces of the second L-shaped plate and the first L-shaped plate are in the same plane. When the facial mask is moved between the rotating plate and the second L-shaped plate, turning on the motor to make the rotating plate and the second L-shaped plate rotate can perform secondary folding on the facial mask.

[0014] Advantages of the present utility model:

[0015] 1. When it is necessary to convey the facial mask located on the upper end of the first bearing block to the right, turn on the second electric cylinder to make the first push block move to the right, and the facial mask can be moved and sent out to the right. When the facial mask is moved by the pushing assembly to the rear of the pressing plate, turn on the third electric cylinder to make the pressing plate press backward on the facial mask that has been folded once, which can improve the folding effect of the facial mask. Turning on the fourth electric cylinder to move the second push block left and right can conveniently and quickly adjust the position of the secondary folding assembly in the left and right directions. When the facial mask is moved between the rotating plate and the second L-shaped plate, turning on the motor to make the rotating plate and the second L-shaped plate rotate can perform secondary folding on the facial mask, solving the problem that the facial mask folding device in the prior art is usually inconvenient for quickly folding the facial mask in half twice when in use;

[0016] 2. Manually place the facial mask on the conveyor belt of the belt conveyor, and turn on the belt conveyor to convey the facial mask to the left. When the facial mask is conveyed forward, the front half of the facial mask will be moved to the auxiliary roller by inertia, and the middle part of the facial mask will be directly above the second trough. When the middle part of the facial mask is moved above the second trough, turn on the first electric cylinder to make the folding plate move downward, and the folding plate can press down on the middle part of the facial mask, so as to quickly press and fold the facial mask in half. Description of the drawings

[0017] Figure 1The figure shows a three-dimensional structural schematic diagram of a mask folding device for processing medical dressing masks of the present utility model;

[0018] Figure 2 The figure shows a three-dimensional structural schematic diagram of a conveying component, an auxiliary blanking component, a downward pressing and folding component, and an auxiliary folding component of a mask folding device for processing medical dressing masks of the present utility model;

[0019] Figure 3 The figure shows a three-dimensional structural schematic diagram of a bearing plate of a mask folding device for processing medical dressing masks of the present utility model;

[0020] Figure 4 The figure shows a three-dimensional structural schematic diagram of a pushing component and a flattening component of a mask folding device for processing medical dressing masks of the present utility model;

[0021] Figure 5 The figure shows a three-dimensional structural schematic diagram of a position adjusting component and a secondary folding component of a mask folding device for processing medical dressing masks of the present utility model.

[0022] The reference signs in the drawings are: 1, conveying component; 101, support body; 102, bearing plate; 103, belt conveyor; 104, blanking chute; 2, auxiliary blanking component; 201, carrier; 202, first tank; 203, auxiliary roller; 204, second tank; 3, downward pressing and folding component; 301, bracket; 302, first electric cylinder; 303, folding plate; 4, auxiliary folding component; 401, first L-shaped plate; 402, baffle; 5, pushing component; 501, first bearing block; 502, fixed block; 503, second electric cylinder; 504, first pushing block; 6, flattening component; 601, fixing plate; 602, third electric cylinder; 603, flattening plate; 7, position adjusting component; 701, bottom plate; 702, fourth electric cylinder; 703, second pushing block; 704, limiting block; 8, secondary folding component; 801, second bearing block; 802, connecting frame; 803, fifth electric cylinder; 804, lifting block; 805, motor; 806, rotating plate; 807, second L-shaped plate. Detailed implementation manners

[0023] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0024] Please refer to Figure 1, the present utility model provides an embodiment: a mask folding device for processing medical dressing masks, including a conveying assembly 1; further including an auxiliary blanking assembly 2, a downward pressing and folding assembly 3, an auxiliary folding assembly 4, a pushing assembly 5, a flattening assembly 6, a position adjusting assembly 7 and a secondary folding assembly 8; an auxiliary blanking assembly 2 for auxiliary blanking is arranged at the front end of the conveying assembly 1; a downward pressing and folding assembly 3 for downward pressing and folding is arranged at the upper end of the conveying assembly 1; an auxiliary folding assembly 4 for auxiliary folding is arranged on the conveying assembly 1; a pushing assembly 5 for pushing the mask is arranged on the auxiliary folding assembly 4; a flattening assembly 6 for flattening the mask is arranged on the auxiliary folding assembly 4; a position adjusting assembly 7 is arranged at the right end of the conveying assembly 1; a secondary folding assembly 8 for secondary folding the mask is arranged on the position adjusting assembly 7.

[0025] Please refer to Figure 2 and 3 , in this embodiment, the conveying assembly 1 includes a support body 101, a bearing plate 102, a belt conveyor 103 and a blanking chute 104; the bearing plate 102 is fixedly connected to the upper end of the support body 101; the belt conveyor 103 is arranged at the upper end of the bearing plate 102; the blanking chute 104 is penetrated and opened at the upper and lower ends of the support body 101; the auxiliary blanking assembly 2 includes a carrier 201, a first chute 202, an auxiliary roller 203 and a second chute 204; the carrier 201 is fixedly connected to the upper end of the bearing plate 102; the first chute 202 and the second chute 204 are penetrated and opened at the upper and lower ends of the carrier 201; the auxiliary rollers 203 are evenly rotatably installed at the left and right ends of the inner wall of the first chute 202; the downward pressing and folding assembly 3 includes a bracket 301, a first electric cylinder 302 and a folding plate 303; the bracket 301 is fixedly connected to the upper end of the bearing plate 102; the first electric cylinder 302 is fixedly connected to the upper end of the bracket 301; the lower end of the output shaft of the first electric cylinder 302 penetrates through the bracket 301 and is fixedly connected to the first electric cylinder 302; the folding plate 303 is located directly above the second chute 204; the auxiliary folding assembly 4 includes a first L-shaped plate 401 and a baffle 402; the first L-shaped plate 401 is fixedly connected to the front edge of the lower end of the bearing plate 102; the baffle 402 is fixedly connected to the rear edge of the upper end of the first L-shaped plate 401; the first L-shaped plate 401 is in an "L" shape.

[0026] Please refer to Figure 4, in this embodiment, the pushing component 5 includes a first bearing block 501, a fixing block 502, a second electric cylinder 503 and a first pushing block 504; the upper end of the first L-shaped plate 401 is fixedly connected with the first bearing block 501; the upper end of the first bearing block 501 is fixedly connected with the fixing block 502; the left end of the fixing block 502 is fixedly connected with the second electric cylinder 503; the right end of the output shaft of the second electric cylinder 503 penetrates through the fixing block 502 and is fixedly connected with the first pushing block 504; the front and rear ends of the first pushing block 504 are respectively attached to the mutually approaching ends of the first L-shaped plate 401 and the baffle 402; the flattening component 6 includes a fixing plate 601, a third electric cylinder 602 and a flattening plate 603; the upper end of the first L-shaped plate 401 is fixedly connected with the fixing plate 601; the front end of the fixing plate 601 is fixedly connected with the third electric cylinder 602; the rear end of the output shaft of the third electric cylinder 602 penetrates through the fixing plate 601 and is fixedly connected with the flattening plate 603.

[0027] Please refer to Figure 5 , in this embodiment, the position adjusting component 7 includes a bottom plate 701, a fourth electric cylinder 702, a second pushing block 703 and a limiting block 704; the right end of the support body 101 is fixedly connected with the bottom plate 701; the upper end of the bottom plate 701 is fixedly connected with the fourth electric cylinder 702; the right end of the output shaft of the fourth electric cylinder 702 is fixedly connected with the second pushing block 703; two limiting blocks 704 are fixedly connected to the upper end of the bottom plate 701; the mutually approaching ends of the two limiting blocks 704 are attached to the front and rear ends of the second pushing block 703; the secondary folding component 8 includes a second bearing block 801, a connecting frame 802, a fifth electric cylinder 803, a lifting block 804, a motor 805, a rotating plate 806 and a second L-shaped plate 807; the upper end of the second pushing block 703 is fixedly connected with the second bearing block 801; the lower end of the second bearing block 801 is fixedly connected with the connecting frame 802; the lower end of the connecting frame 802 is fixedly connected with the fifth electric cylinder 803; the upper end of the output shaft of the fifth electric cylinder 803 penetrates through the connecting frame 802 and is fixedly connected with the lifting block 804; the upper end of the lifting block 804 is fixedly connected with the motor 805; the upper end of the output shaft of the motor 805 is fixedly connected with the rotating plate 806; the front end of the rotating plate 806 is fixedly connected with the second L-shaped plate 807; the rear end face of the second L-shaped plate 807 and the rear end face of the first L-shaped plate 401 are in the same plane.

[0028] When working, first, manually place the facial mask on the conveyor belt of the belt conveyor 103, and turning on the belt conveyor 103 can convey the facial mask to the left. When the facial mask is conveyed forward, the front half of the facial mask will be moved to the auxiliary roller 203 by inertia, and the middle part of the facial mask will be located directly above the second trough 204.

[0029] When the middle part of the facial mask is moved above the second tank body 204, turn on the first electric cylinder 302 to move the folding plate 303 downward. The folding plate 303 can press down the middle part of the facial mask, so as to quickly press down and fold the facial mask in half. Then, convey the facial mask at the upper end of the first bearing block 501 to the right. Turn on the second electric cylinder 503 to move the first push block 504 to the right, and the facial mask can be moved and sent out to the right.

[0030] When the facial mask is moved to the rear of the pressing plate 603 by the pushing component 5, turn on the third electric cylinder 602 to make the pressing plate 603 press backward on the facial mask that has been folded once, which can improve the folding effect of the facial mask. Then, turn on the fourth electric cylinder 702 to move the second push block 703 left and right, which can facilitate the quick adjustment of the position of the secondary folding component 8 in the left and right directions.

[0031] When the facial mask is moved between the rotating plate 806 and the second L-shaped plate 807, turn on the motor 805 to make the rotating plate 806 and the second L-shaped plate 807 rotate, and the facial mask can be folded twice. After the folding is completed, manually remove the twice-folded facial mask and manually bag it.

[0032] Through the above steps, during use, place the facial mask on the conveyor belt of the conveying component 1, turn on the conveying component 1 to convey the facial mask, and the facial mask will be moved to the upper end of the auxiliary blanking component 2. Then, turn on the pressing and folding component 3 to press down and fold the facial mask on the auxiliary blanking component 2 and place it in the auxiliary folding component 4. Then, turn on the pushing component 5 to move the folded facial mask to the right. Then, turn on the flattening component 6 to flatten the folded facial mask once. Then, the pushing component 5 will move the facial mask into the secondary folding component 8. Turn on the secondary folding component 8 to make the secondary folding component 8 rotate to fold the facial mask twice. Then, manually take out the twice-folded facial mask and manually bag it. Turning on the position adjustment component 7 can adjust the position of the secondary folding component 8 relative to the auxiliary folding component 4, solving the problem that the facial mask folding device in the prior art is usually inconvenient to quickly fold the facial mask twice during use.

[0033] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A mask folding device for processing medical dressing masks, comprising a conveying component (1); characterized in that: The invention also comprises an auxiliary unloading component (2), a downward pressing and folding component (3), an auxiliary folding component (4), a pushing component (5), a flattening component (6), a position adjusting component (7) and a secondary folding component (8); the front end of the conveying component (1) is provided with an auxiliary unloading component (2) for auxiliary unloading; the upper end of the conveying component (1) is provided with a downward pressing and folding component (3) for downward pressing and folding; the conveying component (1) is provided with an auxiliary folding component (4) for auxiliary folding; the auxiliary folding component (4) is provided with a pushing component (5) for pushing the mask; the auxiliary folding component (4) is provided with a flattening component (6) for flattening the mask; the right end of the conveying component (1) is provided with a position adjusting component (7); the position adjusting component (7) is provided with a secondary folding component (8) for secondary folding the mask.

2. The mask folding device for processing medical dressing masks according to claim 1, characterized in that: The conveying assembly (1) comprises a support body (101), a carrying plate (102), a belt conveyor (103) and a material discharge chute (104); the upper end of the support body (101) is fixedly connected to the carrying plate (102); the upper end of the carrying plate (102) is provided with the belt conveyor (103); and the upper and lower ends of the support body (101) are penetrated by the material discharge chute (104).

3. The mask folding device for processing medical dressing masks according to claim 2, characterized in that: The auxiliary unloading assembly (2) comprises a carrier (201), a first trough (202), auxiliary rollers (203) and a second trough (204); the upper end of the carrier plate (102) is fixedly connected to the carrier (201); the first trough (202) and the second trough (204) are penetrated at the upper and lower ends of the carrier (201); and the auxiliary rollers (203) are rotatably mounted on the left and right ends of the inner wall of the first trough (202) and are evenly distributed.

4. The mask folding device for processing medical dressing masks according to claim 3, characterized in that: The downward pressing folding assembly (3) comprises a bracket (301), a first electric cylinder (302) and a folding plate (303); the upper end of the supporting plate (102) is fixedly connected to the bracket (301); the upper end of the bracket (301) is fixedly connected to the first electric cylinder (302); the lower end of the output shaft of the first electric cylinder (302) passes through the bracket (301) and is fixedly connected to the first electric cylinder (302); and the folding plate (303) is located directly above the second trough body (204).

5. The mask folding device for medical dressing mask processing according to claim 2, characterized in that: The auxiliary folding assembly (4) comprises a first L-shaped plate (401) and a baffle (402); the first L-shaped plate (401) is fixedly connected to the front edge of the lower end of the carrier plate (102); the baffle (402) is fixedly connected to the rear edge of the upper end of the first L-shaped plate (401); and the first L-shaped plate (401) is in an "L" shape.

6. The mask folding device for processing medical dressing masks according to claim 5, characterized in that: The push assembly (5) comprises a first bearing block (501), a fixing block (502), a second electric cylinder (503) and a first push block (504); the upper end of the first L-shaped plate (401) is fixedly connected to the first bearing block (501); the upper end of the first bearing block (501) is fixedly connected to the fixing block (502); the left end of the fixing block (502) is fixedly connected to the second electric cylinder (503); the right end of the output shaft of the second electric cylinder (503) passes through the fixing block (502) and is fixedly connected to the first push block (504); the front and rear ends of the first push block (504) are respectively in contact with the first L-shaped plate (401) and the end of the baffle (402) that is close to each other.

7. The mask folding device for processing medical dressing masks according to claim 5, characterized in that: The flattening assembly (6) comprises a fixed plate (601), a third electric cylinder (602) and a flattening plate (603); the upper end of the first L-shaped plate (401) is fixedly connected to the fixed plate (601); the front end of the fixed plate (601) is fixedly connected to the third electric cylinder (602); the rear end of the output shaft of the third electric cylinder (602) passes through the fixed plate (601) and is fixedly connected to the flattening plate (603).

8. The mask folding device for medical dressing mask processing according to claim 2, characterized in that: The position adjustment component (7) comprises a base plate (701), a fourth electric cylinder (702), a second push block (703) and a limit block (704); the right end of the support body (101) is fixedly connected to the base plate (701); the upper end of the base plate (701) is fixedly connected to the fourth electric cylinder (702); the right end of the output shaft of the fourth electric cylinder (702) is fixedly connected to the second push block (703); the upper end of the base plate (701) is fixedly connected to two limit blocks (704); the ends of the two limit blocks (704) that are close to each other are in contact with the front and rear ends of the second push block (703).

9. The mask folding device for processing medical dressing masks according to claim 8, characterized in that: The secondary folding assembly (8) comprises a second bearing block (801), a connecting frame (802), a fifth electric cylinder (803), a lifting block (804), a motor (805), a rotating plate (806) and a second L-shaped plate (807); the upper end of the second pushing block (703) is fixedly connected to the second bearing block (801); the lower end of the second bearing block (801) is fixedly connected to the connecting frame (802); the lower end of the connecting frame (802) is fixedly connected to the fifth electric cylinder (803); The upper end of the output shaft of the fifth electric cylinder (803) passes through the connecting frame (802) and is fixedly connected to a lifting block (804); the upper end of the lifting block (804) is fixedly connected to a motor (805); the upper end of the output shaft of the motor (805) is fixedly connected to a rotating plate (806); the front end of the rotating plate (806) is fixedly connected to a second L-shaped plate (807); the rear end surface of the second L-shaped plate (807) and the rear end surface of the first L-shaped plate (401) are in the same plane.