Splicing forming process of SPC vertical bed board

Abstract

The invention provides an SPC vertical planking splicing forming technology which comprises the following steps that S1, during use, a vertical planking is adsorbed through an adsorption part on a splicing mechanism, and after adsorption, the vertical planking is transferred to a wall face needing to be laid through the splicing mechanism; s2, the back faces of the vertical bed boards are coated with sticky cement, then the vertical bed boards are laid to the wall face through an assembling mechanism, and then the vertical bed boards are beaten through beating pieces on the assembling mechanism; s3, after striking, the vertical bed boards can be laid on the wall surface, splicing of every two vertical bed boards can be achieved through connecting pieces on the vertical bed boards, and laying of the wall surface is achieved; according to the invention, splicing is convenient, and plate paving and fixing can be realized.

Description

Technical Field

[0001] The invention relates to the technical field of plate assembly, in particular to an assembly forming process of SPC vertical paving boards. Background Art

[0002] The application range of boards is very wide. For example, home furnishings, floors, wall decoration boards, insulation boards, etc. There are pure wood boards and composite boards. Various boards need to be flexibly cut and spliced ​​according to needs during application. In the existing market, boards are generally directly connected or fixed with super glue and nails. When using nails and other connectors, raw materials are wasted and the beauty of the boards is destroyed. Board assembly is a very important step in the use of boards. However, most of the existing board assembly uses nails or pneumatic nails to fix the boards together. Although the boards can be fixed and connected, the contact area between the nails and the boards is small, the connection is not reliable, the boards are damaged during disassembly, and the reuse rate is low; there are also simple clamps to connect the connected boards together, but it is not convenient to install and disassemble, and it is time-consuming and labor-intensive.

[0003] The existing technology basically adopts manual paving during paving. The operator can control the paving thickness, speed, etc. according to the needs. However, manual paving has low production efficiency and is prone to uneven paving. Moreover, the paving is carried out first and then pre-pressed and fixed, resulting in low paving efficiency. Summary of the invention

[0004] In view of this, the object of the present invention is to provide an assembly forming process of SPC vertical paving boards which is easy to splice and can realize the paving and fixing of the panels.

[0005] The present invention is implemented by the following method: an assembly forming process of SPC vertical decking, the process comprising the following steps:

[0006] Step S1, when in use, the vertical paving board is adsorbed by the adsorption piece on the assembling mechanism, and after adsorption, it is transferred to the wall surface to be laid through the assembling mechanism;

[0007] Step S2: Apply sticky cement on the back of the vertical paving board, and then lay the vertical paving board on the wall through the assembly mechanism.

[0008] Then, the striking pieces on the assembling mechanism are used to strike the opposing deck boards;

[0009] Step S3: After striking, the vertical planks can be laid on the wall surface. The vertical planks can be assembled in pairs through the connecting pieces on the vertical planks to achieve wall laying.

[0010] Furthermore, the vertical plank includes a plank body, a top plate is arranged on the upper surface of the plank body, a first connecting member is arranged on both the upper and lower surfaces of the plank body, and a second connecting member is arranged on the left and right sides of the plank body.

[0011] Furthermore, the first connecting member includes a first T-shaped connecting block and a first T-shaped slot, the first T-shaped connecting block is arranged in the middle of the upper surface of the plate body, and the middle of the lower end of the front side of the plate body is provided with a first T-shaped slot corresponding to the first T-shaped connecting block; the second connecting member includes a second T-shaped connecting block and a second T-shaped slot, the second T-shaped connecting block is arranged in the middle of the right side surface of the plate body, and the middle of the left end of the front side of the plate body is provided with a second T-shaped slot corresponding to the second T-shaped connecting block.

[0012] Furthermore, the assembling mechanism includes a supporting base plate, movable wheels are arranged around the lower surface of the supporting base plate, an adsorption piece is arranged at the left end of the upper surface of the supporting base plate, and a striking piece is arranged at the right end of the upper surface of the supporting base plate.

[0013] Furthermore, the adsorption component includes a first rotating seat, a first motor is embedded at the left end of the upper surface of the support bottom plate, the first rotating seat is arranged at the end of the output shaft of the first motor, a first strip groove is opened on the upper surface of the first rotating seat, a second motor is arranged in the first strip groove, a first screw is connected to the output end of the second motor, a first moving block is spirally sleeved on the first screw, a first supporting seat is arranged on the upper surface of the first moving block, and the first supporting seat is arranged vertically with the first rotating seat, a first lifting groove is opened on the left side of the first supporting seat, a first guide rail groove is opened on the rear surface of the first lifting groove, a first lifting plate is arranged in the first lifting groove, a first sliding block matching with the first guide rail groove is arranged on the rear surface of the first lifting plate, and a first rack is arranged on the right side of the first lifting plate. A first placement slot is provided in the middle of the right side surface of the first lifting slot, a third motor is provided in the first placement slot, a first gear meshing with the first rack is provided on the output shaft of the third motor, first telescopic cylinders are provided at both upper and lower ends of the left side surface of the first lifting plate, a bonding plate is provided at the end of the telescopic rod of the first telescopic cylinder, a first telescopic member is provided between the first lifting plate and the bonding plate, a fourth motor is embedded around the left side surface of the bonding plate, a first turntable is provided at the end of the output shaft of the fourth motor, a second telescopic cylinder is provided on the side of the first turntable, a third telescopic cylinder is provided at the end of the telescopic rod of the second telescopic cylinder, and the third telescopic cylinder is vertically arranged with the second telescopic cylinder, an adsorption block is provided at the end of the third telescopic cylinder, and electric suction cups are embedded at both upper and lower ends of the left side surface of the adsorption block.

[0014] Furthermore, the striking member includes a second rotating seat, a fifth motor is embedded at the right end of the upper surface of the supporting bottom plate, the second rotating seat is arranged at the end of the output shaft of the fifth motor, a second strip groove is opened on the upper surface of the second rotating seat, a sixth motor is arranged in the second strip groove, a second screw is connected to the output end of the sixth motor, a second moving block is spirally sleeved on the second screw, a second supporting seat is arranged on the upper surface of the second moving block, and the second supporting seat is arranged vertically to the second rotating seat, a second lifting groove is opened on the right side surface of the second supporting seat, a second guide rail groove is opened on the rear surface of the second lifting groove, a second lifting plate is arranged in the second lifting groove, a second sliding block matching with the second guide rail groove is arranged on the rear surface of the second lifting plate, and the second lifting plate is arranged on the right A second rack is arranged on the side surface, a second placement slot is opened in the middle of the right side surface in the second lifting slot, a seventh motor is arranged in the second placement slot, a second gear meshing with the second rack is arranged on the output shaft of the seventh motor, fourth telescopic cylinders are arranged at both upper and lower ends of the right side surface of the second lifting plate, a fixed plate is arranged at the end of the telescopic rod of the fourth telescopic cylinder, a second telescopic member is arranged between the second lifting plate and the fixed plate, an eighth motor is embedded around the right side surface of the fixed plate, a second turntable is arranged at the end of the output shaft of the eighth motor, a fifth telescopic cylinder is arranged on the side of the second turntable, a sixth telescopic cylinder is arranged at the end of the telescopic rod of the fifth telescopic cylinder, and the sixth telescopic cylinder is arranged vertically to the fifth telescopic cylinder, and a striking block is arranged at the end of the sixth telescopic cylinder.

[0015] Furthermore, the structures of the first telescopic member and the second telescopic member are consistent. The first telescopic member includes a first connecting rod and a second connecting rod. Limiting grooves are provided at both upper and lower ends of the inner sides of the first lifting plate and the bonding plate. A third sliding block is arranged in the limiting groove. The first connecting rod is hingedly arranged on the third sliding block at the upper end of the first lifting plate. The end of the first connecting rod is hingedly arranged on the third sliding block at the lower end of the bonding plate. The second connecting rod is hingedly arranged on the third sliding block at the lower end of the first lifting plate. The end of the second connecting rod is hingedly arranged on the third sliding block at the upper end of the bonding plate. The first connecting rod and the second connecting rod are hingedly arranged in the middle.

[0016] The beneficial effects of the present invention are as follows: the present invention can realize the paving effect between two plates, adopts an assembling mechanism, and facilitates the disassembly and installation of the plates, which not only saves time and labor, but also does not damage the plates during disassembly and installation, thereby improving the reuse rate of the plates, and after the paving structure, it can also be struck, which is convenient for the paving and fixing of the plates and improves work efficiency; the present invention has a simple structure and is easy to operate, and can effectively save manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the process flow of the present invention.

[0018] Figure 2 It is a structural schematic diagram of the vertical deck.

[0019] Figure 3 It is a schematic diagram of the use status of the vertical plank.

[0020] Figure 4 It is a structural schematic diagram of the assembling mechanism.

[0021] Figure 5 It is a schematic diagram of the structure of the striking member in the first state.

[0022] Figure 6 It is a schematic diagram of the structure of the striking member in the second state. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] See also Figure 1 As shown, the present invention provides: an assembly forming process of SPC vertical decking, the process comprising the following steps:

[0025] Step S1, when in use, the vertical paving board is adsorbed by the adsorption piece on the assembling mechanism, and after adsorption, it is transferred to the wall surface to be laid through the assembling mechanism;

[0026] Step S2: Apply sticky cement on the back of the vertical paving board, and then lay the vertical paving board on the wall through the assembly mechanism.

[0027] Then, the striking pieces on the assembling mechanism are used to strike the opposing deck boards;

[0028] Step S3: After striking, the vertical planks can be laid on the wall surface. The vertical planks can be assembled in pairs through the connecting pieces on the vertical planks to achieve wall laying.

[0029] Please continue reading Figure 2 and Figure 3 As shown, in one embodiment of the present invention, the vertical deck 1 includes a board body 11, a surface board 12 is arranged on the upper surface of the board body 11, a first connector 2 is arranged on the upper and lower surfaces of the board body 1, and a second connector 3 is arranged on the left and right sides of the board body 1. Through the action of the first connector 2 and the second connector 3, the connection and fixation between two vertical decks can be achieved, and through the action of the surface board 12, the aesthetics of the vertical deck can be increased. The board body 11 has a single width of 13-23 mm and a thickness of 18.5-20 mm, and a PE film with a thickness of 1-3 mm is provided on the bottom surface. The surface board can be a bamboo surface board or wood veneer.

[0030] Please continue reading Figure 2 and Figure 3 As shown, in one embodiment of the present invention, the first connecting member 2 includes a first T-shaped connecting block 21 and a first T-shaped slot 22, wherein the first T-shaped connecting block 21 is arranged in the middle of the upper surface of the plate body 1, and the first T-shaped slot 22 corresponding to the first T-shaped connecting block 21 is provided in the middle of the lower front end of the plate body 1; the second connecting member 3 includes a second T-shaped connecting block 31 and a second T-shaped slot 32, wherein the second T-shaped connecting block 31 is arranged in the middle of the right side of the plate body 1, and the second T-shaped slot 32 corresponding to the second T-shaped connecting block 31 is provided in the middle of the left front end of the plate body 1. The first T-shaped connecting block 21 and the first T-shaped slot 22 can realize the connection and fixation between two vertical deck boards, and the second T-shaped connecting block 31 and the second T-shaped slot 32 can realize the connection and fixation between two vertical deck boards.

[0031] Please continue reading Figure 4 As shown, in one embodiment of the present invention, the assembling mechanism 4 includes a supporting bottom plate 41, and movable wheels 42 are arranged around the lower surface of the supporting bottom plate 41, and an adsorption member 5 is arranged at the left end of the upper surface of the supporting bottom plate 41, and a striking member 6 is arranged at the right end of the upper surface of the supporting bottom plate 41. The adsorption member 5 can realize the adsorption and laying of the board, and the striking member 6 can realize the striking and fixing of the board after laying, so as to better realize the board laying.

[0032] Please continue reading Figure 4As shown, in one embodiment of the present invention, the adsorption component 5 includes a first rotating seat 51, a first motor (not shown) is embedded at the left end of the upper surface of the supporting bottom plate 41, the first rotating seat 51 is arranged at the end of the output shaft of the first motor, a first strip groove 52 is provided on the upper surface of the first rotating seat 51, a second motor (not shown) is arranged in the first strip groove 52, a first screw rod 53 is connected to the output end of the second motor, a first moving block 54 is spirally sleeved on the first screw rod 53, a first supporting seat 55 is arranged on the upper surface of the first moving block 54, and the first supporting seat 55 is arranged vertically with the first rotating seat 51, a first lifting groove 56 is provided on the left side of the first supporting seat 55, a first guide groove 57 is provided on the rear surface of the first lifting groove 56, a first lifting plate 58 is arranged in the first lifting groove 56, a first sliding block (not shown) matching with the first guide groove 57 is provided on the rear surface of the first lifting plate 58, and a first lifting plate 58 is provided on the right side. A rack 59, a first placement slot 7 is opened in the middle of the right side surface of the first lifting slot 56, a third motor (not shown) is arranged in the first placement slot 7, and a first gear 71 meshing with the first rack 59 is arranged on the output shaft of the third motor, and the first telescopic cylinder 72 is arranged at both ends of the left side surface of the first lifting plate 58, and a bonding plate 73 is arranged at the end of the telescopic rod of the first telescopic cylinder 72, and a first telescopic member 8 is arranged between the first lifting plate 58 and the bonding plate 73, and a fourth motor (not shown) is embedded around the left side surface of the bonding plate 73, and a first turntable 75 is arranged at the end of the output shaft of the fourth motor, and a second telescopic cylinder 76 is arranged on the side of the first turntable 75, and a third telescopic cylinder 77 is arranged at the end of the telescopic rod of the second telescopic cylinder 76, and the third telescopic cylinder 77 is arranged vertically with the second telescopic cylinder 76, and an adsorption block 78 is arranged at the end of the third telescopic cylinder 77, and electric suction cups 79 are embedded at both ends of the left side surface of the adsorption block 78. The first motor can drive the first rotating seat 51 to rotate, the second motor can drive the first screw 53 to rotate, the rotation of the first screw 53 can realize the left and right movement of the first moving block 54, the third motor can drive the first gear 71 to rotate, the first gear 71 is engaged with the first rack 59 to realize the up and down lifting effect of the first lifting plate 58, the first telescopic cylinder 72 can realize the left and right movement of the bonding plate 73, the fourth motor can drive the first turntable 75 to rotate, the second telescopic cylinder 76 can drive the third telescopic cylinder 77 to extend and retract, the third telescopic cylinder 77 can drive the adsorption block 78 to move left and right, the electric suction cup 79 can realize the adsorption of the plate, and then the plate is laid.

[0033] Please continue reading Figures 4 to 6As shown, in one embodiment of the present invention, the striking member 6 includes a second rotating seat 61, a fifth motor (not shown) is embedded at the right end of the upper surface of the supporting bottom plate 41, the second rotating seat 61 is provided at the end of the output shaft of the fifth motor, a second strip groove 62 is provided on the upper surface of the second rotating seat 61, a sixth motor (not shown) is provided in the second strip groove 62, a second screw 63 is connected to the output end of the sixth motor, a second moving block 64 is spirally sleeved on the second screw 63, a second supporting seat 65 is provided on the upper surface of the second moving block 64, and the second supporting seat 65 is vertically arranged with the second rotating seat 61, a second lifting groove 66 is provided on the right side of the second supporting seat 65, a second guide groove 67 is provided on the rear surface of the second lifting groove 66, a second lifting plate 68 is provided in the second lifting groove 66, a second sliding block (not shown) matching the second guide groove 67 is provided on the rear surface of the second lifting plate 68, and the second A second rack 69 is provided on the right side of the lifting plate 68, a second placement slot 9 is provided in the middle of the right side of the second lifting slot 66, a seventh motor (not shown) is provided in the second placement slot 9, a second gear 91 meshing with the second rack 69 is provided on the output shaft of the seventh motor, fourth telescopic cylinders 92 are provided at both upper and lower ends of the right side of the second lifting plate 68, a fixed plate 93 is provided at the end of the telescopic rod of the fourth telescopic cylinder 92, a second telescopic member 10 is provided between the second lifting plate 68 and the fixed plate 93, an eighth motor (not shown) is embedded around the right side of the fixed plate 93, a second turntable 95 is provided at the end of the output shaft of the eighth motor, a fifth telescopic cylinder 96 is provided on the side of the second turntable 95, a sixth telescopic cylinder 97 is provided at the end of the telescopic rod of the fifth telescopic cylinder 96, and the sixth telescopic cylinder 97 is vertically arranged with the fifth telescopic cylinder 96, and a striking block 98 is provided at the end of the sixth telescopic cylinder 97. The fifth motor can drive the second rotating seat 61 to rotate, the sixth motor can drive the second screw 63 to rotate, and the rotation of the second screw 63 can realize the left and right movement of the second moving block 64, the seventh motor can drive the second gear 91 to rotate, and the second gear 91 is engaged with the second rack 69 to realize the up and down lifting effect of the second lifting plate 68, the fourth telescopic cylinder 92 can realize the left and right movement of the fixed plate 93, the eighth motor can drive the second turntable 95 to rotate, the fifth telescopic cylinder 96 can drive the sixth telescopic cylinder 97 to extend and retract, and the sixth telescopic cylinder 97 can drive the striking block 98 to move left and right, so as to realize the striking and fixing of the assembled and laid plates, and realize the smooth laying of the plates.

[0034] Please continue reading Figure 4As shown, in one embodiment of the present invention, the structures of the first telescopic member 8 and the second telescopic member 10 are consistent, the first telescopic member 8 includes a first connecting rod 81 and a second connecting rod 82, the first lifting plate 58 and the upper and lower ends of the inner side surfaces of the bonding plate 73 are provided with limiting grooves 83, and a third sliding block 84 is arranged in the limiting groove 83, the first connecting rod 81 is hingedly arranged on the third sliding block 84 at the upper end of the first lifting plate 58, the end of the first connecting rod 81 is hingedly arranged to the third sliding block 84 at the lower end of the bonding plate 73, the second connecting rod 82 is hingedly arranged on the third sliding block at the lower end of the first lifting plate 58, the end of the second connecting rod 82 is hingedly arranged to the third sliding block at the upper end of the bonding plate 73, and the first connecting rod 81 and the second connecting rod 82 are hingedly arranged in the middle. By sliding the third sliding block 84 in the limiting groove 83, the telescopic effect of the first connecting rod 81 and the second connecting rod 82 can be achieved, so that the telescopic stabilization effect between the first lifting plate 58 and the bonding plate 73 or the second lifting plate 68 and the fixed plate 93 can be better achieved.

[0035] The hinge arrangement in the present invention is a hinge method in the prior art, which can be clearly understood by those skilled in the art and will not be described in detail here.

[0036] The motor, telescopic cylinder and electric suction cup in the present invention are all prior art, and those skilled in the art are already well aware of them, so they will not be described in detail here.

[0037] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. An assembly molding process of SPC vertical decking, characterized in that: The process comprises the following steps: Step S1, when in use, the vertical paving board is adsorbed by the adsorption piece on the assembling mechanism, and after adsorption, it is transferred to the wall surface to be laid through the assembling mechanism; Step S2: Apply sticky cement on the back of the vertical paving board, and then lay the vertical paving board on the wall through the assembly mechanism. Then, the striking pieces on the assembling mechanism are used to strike the opposing deck boards; Step S3: After striking, the vertical planks can be laid on the wall surface. The vertical planks can be assembled in pairs through the connecting pieces on the vertical planks to achieve wall laying.

2. The SPC vertical decking assembly molding process according to claim 1 is characterized by: The vertical laying board includes a board body, a surface plate is arranged on the upper surface of the board body, a first connecting piece is arranged on the upper and lower surfaces of the board body, and a second connecting piece is arranged on the left and right sides of the board body.

3. The SPC vertical decking assembly molding process according to claim 2 is characterized by: The first connecting member includes a first T-shaped connecting block and a first T-shaped slot, the first T-shaped connecting block is arranged in the middle of the upper surface of the plate body, and a first T-shaped slot corresponding to the first T-shaped connecting block is opened in the middle of the lower end of the front side of the plate body; the second connecting member includes a second T-shaped connecting block and a second T-shaped slot, the second T-shaped connecting block is arranged in the middle of the right side of the plate body, and a second T-shaped slot corresponding to the second T-shaped connecting block is opened in the middle of the left end of the front side of the plate body.

4. The SPC vertical decking assembly molding process according to claim 1 is characterized by: The assembling mechanism comprises a supporting base plate, wherein movable wheels are arranged around the lower surface of the supporting base plate, an adsorption piece is arranged at the left end of the upper surface of the supporting base plate, and a striking piece is arranged at the right end of the upper surface of the supporting base plate.

5. The SPC vertical decking assembly molding process according to claim 4 is characterized by: The adsorption component includes a first rotating seat, a first motor is embedded at the left end of the upper surface of the supporting bottom plate, the first rotating seat is arranged at the end of the output shaft of the first motor, a first strip groove is opened on the upper surface of the first rotating seat, a second motor is arranged in the first strip groove, the output end of the second motor is connected to the first screw, a first moving block is spirally sleeved on the first screw, a first supporting seat is arranged on the upper surface of the first moving block, and the first supporting seat is arranged vertically with the first rotating seat, a first lifting groove is opened on the left side of the first supporting seat, a first guide rail groove is opened on the rear surface of the first lifting groove, a first lifting plate is arranged in the first lifting groove, a first sliding block matching with the first guide rail groove is arranged on the rear surface of the first lifting plate, and a first rack is arranged on the right side of the first lifting plate, A first placement slot is opened in the middle of the right side surface of a lifting slot, a third motor is arranged in the first placement slot, a first gear meshing with the first rack is arranged on the output shaft of the third motor, first telescopic cylinders are arranged at both upper and lower ends of the left side surface of the first lifting plate, a bonding plate is arranged at the end of the telescopic rod of the first telescopic cylinder, a first telescopic member is arranged between the first lifting plate and the bonding plate, a fourth motor is embedded around the left side surface of the bonding plate, a first turntable is arranged at the end of the output shaft of the fourth motor, a second telescopic cylinder is arranged on the side of the first turntable, a third telescopic cylinder is arranged at the end of the telescopic rod of the second telescopic cylinder, and the third telescopic cylinder is arranged vertically with the second telescopic cylinder, an adsorption block is arranged at the end of the third telescopic cylinder, and electric suction cups are embedded at both upper and lower ends of the left side surface of the adsorption block.

6. The SPC vertical decking assembly molding process according to claim 4 is characterized by: The striking member includes a second rotating seat, a fifth motor is embedded at the right end of the upper surface of the supporting bottom plate, the second rotating seat is arranged at the end of the output shaft of the fifth motor, a second strip groove is opened on the upper surface of the second rotating seat, a sixth motor is arranged in the second strip groove, a second screw is connected to the output end of the sixth motor, a second moving block is spirally sleeved on the second screw, a second supporting seat is arranged on the upper surface of the second moving block, and the second supporting seat is arranged vertically to the second rotating seat, a second lifting groove is opened on the right side of the second supporting seat, a second guide rail groove is opened on the rear surface of the second lifting groove, a second lifting plate is arranged in the second lifting groove, a second sliding block matching with the second guide rail groove is arranged on the rear surface of the second lifting plate, and a second lifting plate is arranged on the right side of the second lifting plate A second rack is arranged, a second placement slot is opened in the middle of the right side surface of the second lifting slot, a seventh motor is arranged in the second placement slot, a second gear meshing with the second rack is arranged on the output shaft of the seventh motor, fourth telescopic cylinders are arranged at both upper and lower ends of the right side surface of the second lifting plate, a fixed plate is arranged at the end of the telescopic rod of the fourth telescopic cylinder, a second telescopic member is arranged between the second lifting plate and the fixed plate, an eighth motor is embedded around the right side surface of the fixed plate, a second turntable is arranged at the end of the output shaft of the eighth motor, a fifth telescopic cylinder is arranged on the side of the second turntable, a sixth telescopic cylinder is arranged at the end of the telescopic rod of the fifth telescopic cylinder, and the sixth telescopic cylinder is arranged vertically to the fifth telescopic cylinder, and a striking block is arranged at the end of the sixth telescopic cylinder.

7. The SPC vertical decking assembly molding process according to claim 4 or 5, characterized in that: The structures of the first telescopic member and the second telescopic member are consistent. The first telescopic member includes a first connecting rod and a second connecting rod. Limiting grooves are provided at both upper and lower ends of the inner sides of the first lifting plate and the bonding plate. A third sliding block is arranged in the limiting groove. The first connecting rod is hingedly arranged on the third sliding block at the upper end of the first lifting plate. The end of the first connecting rod is hingedly arranged on the third sliding block at the lower end of the bonding plate. The second connecting rod is hingedly arranged on the third sliding block at the lower end of the first lifting plate. The end of the second connecting rod is hingedly arranged on the third sliding block at the upper end of the bonding plate. The middle parts of the first connecting rod and the second connecting rod are hingedly arranged.

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