Pre-pressing mechanism of polar plate

Abstract

The pre-pressing mechanism comprises a tool plate, a feeding module, a pre-pressing module and a transferring module, the tool plate is provided with a positioning groove used for positioning a pole plate silver net, the feeding module comprises a base and a supporting base arranged on the base in a sliding mode, and the tool plate is matched with the supporting base in a supporting mode. The supporting base can drive the tool plate to slide between the feeding position and the transferring position relative to the base. The pre-pressing module comprises a mold core, a mounting frame and a downward pressing module arranged on the mounting frame, the mold core is provided with a mold cavity corresponding to the polar plate silver net, the output end of the downward pressing module is provided with a pre-pressing plate corresponding to the mold cavity, the transfer module is used for transferring the polar plate silver net on the tool plate into the mold cavity, and the downward pressing module can drive the pre-pressing plate to be in pressing fit with the polar plate silver net in the mold cavity. The pre-pressing device has the effects that the overall flatness of a product is improved by pre-pressing the polar plate silver net before assembly, the labor cost is reduced, the assembly precision of the product is improved, and industrial continuous production is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of battery plate production, in particular to a pre-pressing mechanism for a plate. Background Art

[0002] like Figure 1 The above is an assembly part of a battery plate in the prior art, and the assembly part is a silver mesh for the plate. During the plate assembly process, the silver mesh for the plate needs to be kept within a good flatness range, and then the silver mesh for the plate is pressed with zinc powder to form a plate product. In factories, the silver mesh for the plate is usually loaded manually. While loading the silver mesh for the plate, the flatness of the silver mesh is inspected by the naked eye, and the silver mesh for the plate with a large deformation is removed. However, this manual removal method wastes manpower, and a large part of the silver mesh for the plate that is usually removed is only caused by a slightly larger bending deformation. Subsequently, this part of the silver mesh for the plate will still be flattened to the standard flatness range and continued to be used. However, this screening process and the subsequent defective product processing process are relatively cumbersome, which is not conducive to industrial continuous production and needs to be improved urgently. Utility Model Content

[0003] The purpose of the utility model is to provide a pre-pressing mechanism for a plate, which has the effect of improving the overall flatness of the product, reducing labor costs, improving product assembly accuracy, and facilitating industrial continuous production by pre-pressing the silver mesh of the plate before assembly.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions: a pre-pressing mechanism for a plate, comprising a tooling plate, a loading module, a pre-pressing module, and a transfer module, wherein the tooling plate is provided with a positioning groove for positioning the plate silver mesh, the loading module comprises a base, a support seat slidably arranged on the base, the tooling plate and the support seat supporting and cooperating, and the support seat can drive the tooling plate to slide relative to the base between a loading position and a transfer position;

[0005] The pre-pressing module includes a mold core, a mounting frame, and a lower pressing module arranged on the mounting frame. The mold core is provided with a mold cavity corresponding to the plate silver mesh. The output end of the lower pressing module is provided with a pre-pressing plate corresponding to the mold cavity. The transfer module is used to transfer the plate silver mesh on the tooling plate into the mold cavity. The lower pressing module can drive the pre-pressing plate to press and fit with the plate silver mesh in the mold cavity.

[0006] By adopting the above technical solution, a layer of zinc powder is pre-laid on the bottom of the mold cavity, and the plate silver mesh is placed on the tooling plate. The positioning groove can effectively prevent the plate silver mesh from detaching from the tooling plate during transportation. The tooling plate with the plate silver mesh is placed on the support seat at the loading position and slides to the transfer position through the support seat. The transfer module is used to transfer the plate silver mesh on the tooling plate to the mold cavity of the mold core. The downward pressing module on the mounting frame drives the pre-pressing plate to press down. The pre-pressing plate and the mold core are pressed together to make the pre-pressing plate flatten the plate silver mesh in the mold cavity to a qualified flatness range, and at the same time press the plate silver mesh and the zinc powder at the bottom. The utility model can pre-press the silver mesh of the plate and the zinc powder at the bottom by adding a pre-pressing mechanism, thereby improving the flatness of the silver mesh of the plate before assembly, which is beneficial for pressing the silver mesh of the plate and the zinc powder at the bottom tightly, improving the assembly accuracy of the subsequent plate extrusion molding, thereby effectively improving the yield rate of the plate products, and reducing the workload of frequent manual removal of defective products. It has the effect of improving the overall flatness of the product by pre-pressing the silver mesh of the plate before assembly, reducing labor costs, improving product assembly accuracy, and facilitating industrial continuous production.

[0007] The present invention is further configured as follows: the pressing die set includes a pressing cylinder fixedly mounted on the mounting frame, and the pre-pressing plate is fixedly connected to the end of the piston rod of the pressing cylinder.

[0008] By adopting the above technical solution, the piston rod of the pressing cylinder is extended and retracted, which can simultaneously drive the pre-pressing plate to move relatively closer to or away from the mold core.

[0009] The utility model is further configured as follows: the mounting frame is provided with a lifting and positioning structure, the lifting and positioning structure includes a driving device, a positioning plate assembly, and a plurality of positioning pins fixed to the bottom of the positioning plate assembly; the tooling plate is provided with positioning holes corresponding to the positioning pins; the driving device can drive the positioning plate assembly to vertically lift and lower relative to the mounting frame, so that the positioning pins are plugged and positioned in the corresponding positioning holes.

[0010] By adopting the above technical solution, when the tooling plate moves to the transfer position with the electrode silver mesh, the driving device drives the positioning plate assembly to descend, so that the positioning pins at the bottom of the positioning plate assembly are inserted into the corresponding positioning holes, so that the positioning plate assembly and the tooling plate remain relatively fixed, which facilitates the clamping and transportation of the electrode silver mesh by the transfer module.

[0011] The utility model is further configured as follows: the driving device includes a lifting cylinder and a lifting plate fixedly connected to the output end of the lifting cylinder; the lifting cylinder is fixed on the mounting frame; and the positioning plate assembly is fixedly connected to the lifting plate through a plurality of guide columns.

[0012] By adopting the above technical solution, the piston rod of the lifting cylinder rises to push the lifting plate up, and the lifting plate drives the positioning plate assembly to rise synchronously through the guide column. The piston rod of the lifting cylinder retracts to drive the lifting plate down, and the lifting plate drives the positioning plate assembly to fall synchronously through the guide column.

[0013] The present invention is further configured as follows: the transfer module includes a clamping device provided at the bottom of the positioning plate assembly, and the clamping device is used to clamp the plate silver mesh and remove it from the tooling plate.

[0014] By adopting the above technical solution, the plate silver mesh in the transfer position can be removed from the positioning groove of the tooling plate by using the clamping device and transferred to the next workstation.

[0015] The utility model is further configured as follows: the clamping device includes telescopic cylinders symmetrically arranged on both sides of the bottom of the positioning plate assembly, the output ends of the telescopic cylinders on both sides are provided with mounting plates, a number of clamping claws are relatively provided on the mounting plates on both sides, and clamping grooves connected to the positioning grooves are opened on both sides of the tooling plate, and the clamping claws can extend into the bottom of the positioning groove through the clamping grooves.

[0016] By adopting the above technical solution, the clamping jaws on both sides are kept relatively separated, and then the driving device drives the positioning plate assembly to descend, so that the clamping jaws on both sides extend into the clamping grooves of the tooling plate respectively, and then the piston rods of the telescopic cylinders on both sides are extended relatively, driving the mounting plates on both sides to be relatively close, so that the clamping jaws on both sides enter and extend into the corresponding clamping grooves and extend to the bottom of the positioning groove until the clamping jaws on both sides clamp the plate silver mesh. When the clamping jaws on both sides remain clamped, the driving device can drive the positioning plate assembly to lift the plate silver mesh from the positioning groove of the tooling plate.

[0017] The present invention is further configured as follows: the support seat and the base are slidably connected via a guide rail structure, and the base is fixed with a first linear module, and the support seat is driven by the first linear module to slide on the base.

[0018] By adopting the above technical solution, the guide rail structure is conducive to improving the consistency of the sliding direction of the support seat between the loading position and the transfer position. The first linear module can slide the support seat on the base by mechanically driving it, reducing manual labor and utilizing industrial continuous production.

[0019] The present invention is further configured as follows: the first linear module includes a first electric cylinder fixedly mounted on the base, and an output end of the first electric cylinder is fixedly connected to the support seat via a connecting piece.

[0020] The present invention is further configured as follows: the first electric cylinder and the support seat are respectively arranged on both sides of the base; the base is provided with an avoidance groove corresponding to the connecting member; the connecting member and the avoidance groove are matched in an avoidance manner.

[0021] By adopting the above technical solution, the spatial distribution of the first electric cylinder and the support seat when they are installed on the base is made more reasonable, which is conducive to making the structure of the utility model more compact.

[0022] The utility model is further configured as follows: the transfer module also includes a second linear module, the second linear module includes a guide rail frame and a second electric cylinder, the second electric cylinder drives the mounting frame to slide on the guide rail frame, so that the pre-pressing module moves between the loading module and the pre-pressing module.

[0023] In summary, the present invention has the following beneficial effects:

[0024] A support seat is provided on the bottom plate for sliding, and the support seat is used to drive the tooling plate thereon to slide between the loading position and the transfer position relative to the base, and the tooling plate is used to place the plate silver mesh. In addition, a transfer module and a pre-pressing module are provided. When the tooling plate transports the plate silver mesh to the transfer position, the transfer module is used to transfer the plate silver mesh on the tooling plate to the mold cavity of the mold core, and the downward pressing module on the mounting frame drives the pre-pressing plate to press down, and the pre-pressing plate and the mold core are pressed together to flatten the plate silver mesh in the mold cavity to a qualified flatness range, and at the same time press the plate silver mesh and the zinc powder at the bottom tightly, which is convenient for the subsequent Then, a layer of zinc powder is laid on the plate silver mesh to realize the extrusion molding of the plate. The utility model pre-presses the plate silver mesh and the zinc powder at the bottom by adding a pre-pressing mechanism, thereby improving the flatness of the plate silver mesh before assembly, which is beneficial for pressing the plate silver mesh and the zinc powder at the bottom tightly, and improving the assembly accuracy of the subsequent plate extrusion molding, thereby effectively improving the yield rate of the plate product and reducing the workload of frequent manual removal of defective products. It has the effect of improving the overall flatness of the product by pre-pressing the plate silver mesh before assembly, reducing labor costs, improving product assembly accuracy, and facilitating industrial continuous production. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of the plate silver mesh in the prior art.

[0026] Figure 2 It is a structural diagram of the present utility model.

[0027] Figure 3 It is a structural diagram of the mold core of the utility model.

[0028] Figure 4 It is a structural diagram of the feeding module of the utility model.

[0029] Figure 5This utility model Figure 4 Longitudinal cross-sectional view.

[0030] Figure 6 This is a view of the utility model showing the tooling plate and the plate silver mesh separated from each other.

[0031] Figure 7 It is a structural diagram of the pre-pressing module of the utility model.

[0032] Figure 8 This is a view of the preloading module of the utility model from another perspective.

[0033] Figure 9 This utility model Figure 8 Longitudinal cross-sectional view.

[0034] Figure 10 It is an exploded view of the pre-pressing module of the utility model.

[0035] In the figure: a, loading position; b, transfer position; 1, loading module; 11, base; 11a, avoidance groove; 111, first electric cylinder; 112, connector; 12, support seat; 13, guide rail structure; 2, pre-pressing module; 20, mold core; 20a, mold cavity; 21, mounting frame; 211, guide sleeve; 22, down-pressing cylinder; 221, pre-pressing plate; 23, lifting cylinder; 231, lifting plate; 24, positioning plate assembly; 24a, avoidance hole; 241, positioning pin; 25, guide column; 26, clamping device; 261, telescopic cylinder; 262, mounting plate; 2621, clamping claw; 3, tooling plate; 3a, positioning groove; 3b, positioning hole; 3c, clamping groove; 4, second linear module; 41, guide rail frame; 411, induction controller; 42, second electric cylinder; 5, plate silver mesh. DETAILED DESCRIPTION

[0036] The present invention will be further described below with reference to the accompanying drawings.

[0037] A pre-pressing mechanism for a plate, such as Figure 2-4 and Figure 7As shown, it includes a tooling plate 3, a loading module 1, a pre-pressing module 2 and a transfer module. The tooling plate 3 is provided with a positioning groove 3a for positioning the plate silver mesh 5. The loading module 1 includes a base 11 and a support seat 12 slidably arranged on the base 11. The tooling plate 3 and the support seat 12 are supported and matched. The support seat 12 can drive the tooling plate 3 to slide between the loading position a and the transfer position b relative to the base 11; the pre-pressing module 2 includes a mold core 20, a mounting frame 21, and a lower pressing module arranged on the mounting frame 21. The mold core 20 is provided with a mold cavity 20a corresponding to the plate silver mesh 5. The output end of the lower pressing module is provided with a pre-pressing plate 221 corresponding to the mold cavity 20a. The transfer module is used to transfer the plate silver mesh 5 on the tooling plate 3 to the mold cavity 20a. The lower pressing module can drive the pre-pressing plate 221 to press and match the plate silver mesh 5 in the mold cavity 20a; The pressing module includes a pressing cylinder 22 fixed on the mounting frame 21, and the pre-pressing plate 221 is fixedly connected to the end of the piston rod of the pressing cylinder 22. The piston rod of the pressing cylinder 22 is extended and retracted, which can simultaneously drive the pre-pressing plate 221 to be relatively close to or away from the mold core 20; the transfer module also includes a second linear module 4, and the second linear module 4 includes a guide rail frame 41 and a second electric cylinder 42. The second electric cylinder 42 drives the mounting frame 21 to slide on the guide rail frame 41, so that the mounting frame 21 moves between the loading module 1 and the pre-pressing module 2; in addition, a number of sensing controllers 411 are provided on the guide rail frame 41, and the sliding stroke of the mounting frame 21 on the guide rail frame 41 is limited by the sensing controller 411. A plurality of laser probes are provided on the base 11, and the laser probes are used to detect whether the support seat 12 is in the loading position a or the transfer position b.

[0038] like Figure 6-10As shown, the mounting frame 21 is provided with a lifting and positioning structure, which includes a driving device, a positioning plate assembly 24, and a plurality of positioning pins 241 fixed to the bottom of the positioning plate assembly 24. The tooling plate 3 is provided with a positioning hole 3b corresponding to the positioning pin 241, and the positioning plate assembly 24 is provided with an avoidance hole 24a corresponding to the pre-pressing plate 221. The subsequent pre-pressing plate 221 can pass through the avoidance hole 24a to achieve the pressing of the plate silver mesh 5 in the cavity 20a. The driving device can drive the positioning plate assembly 24 to rise and fall vertically relative to the mounting frame 21, so that the positioning pin 24 1 is inserted and positioned with the corresponding positioning hole 3b. When the tooling plate 3 moves to the transfer position b with the plate silver mesh 5, the driving device drives the positioning plate assembly 24 to descend, so that the positioning pin 241 at the bottom of the positioning plate assembly 24 is inserted into the corresponding positioning hole 3b, so that the positioning plate assembly 24 and the tooling plate 3 remain relatively fixed, which facilitates the clamping and transportation of the plate silver mesh 5 by the transfer module; the driving device includes a lifting cylinder 23, a lifting plate 231 fixedly connected to the output end of the lifting cylinder 23, the lifting cylinder 23 is fixed on the mounting frame 21, and the positioning plate The assembly 24 is fixedly connected to the lifting plate 231 through a plurality of guide columns 25. The mounting frame 21 is provided with a plurality of guide sleeves 211 corresponding to the guide columns 25. The guide columns 25 are guided and matched with the corresponding guide sleeves 211. The piston rod of the lifting cylinder 23 rises to push the lifting plate 231 up. The lifting plate 231 drives the positioning plate assembly 24 to rise synchronously through the guide columns 25. The piston rod of the lifting cylinder 23 retracts to drive the lifting plate 231 down. The lifting plate 231 drives the positioning plate assembly 24 to fall synchronously through the guide columns 25. The above two processes are carried out by The guiding cooperation between the guide column 25 and the guide sleeve 211 can improve the concentricity of the guide column 25 when it is lifted up and down, thereby improving the accuracy of the height adjustment of the positioning plate assembly 24 when it is lifted up and down; the transfer module includes a clamping device provided at the bottom of the positioning plate assembly 24, and a clamping device 26 is provided at the bottom of the positioning plate assembly 24. The clamping device 26 is used to clamp the plate silver mesh 5 and remove it from the tooling plate 3. The clamping device 26 can be used to remove the plate silver mesh 5 in the transfer position from the positioning groove 3a of the tooling plate 3 and move it to the next station;The clamping device 26 includes a telescopic cylinder 261 symmetrically arranged on both sides of the bottom of the positioning plate assembly 24, and a mounting plate 262 is provided at the output end of the telescopic cylinder 261 on both sides. A plurality of clamping claws 2621 are provided on the mounting plates 262 on both sides. A clamping groove 3c connected to the positioning groove 3a is opened on both sides of the tooling plate 3. The clamping claws 2621 can extend into the bottom of the positioning groove 3a through the clamping groove 3c. The clamping claws 2621 on both sides are kept relatively separated. Then the driving device drives the positioning plate assembly 24 to descend, so that the clamping claws 2621 on both sides are relatively separated. 21 extends into the corresponding gripping slots 3c of the tooling plate 3. Then, the piston rods of the telescopic cylinders 261 on both sides extend relative to each other, driving the mounting plates 262 to move closer together. The clamping claws 2621 on both sides enter and extend into the corresponding gripping slots 3c and extend below the positioning slots 3a until the clamping claws 2621 on both sides clamp the electrode plate silver mesh 5. While the clamping claws 2621 on both sides maintain their grip, the driving device drives the positioning plate assembly 24 to lift, removing the electrode plate silver mesh 5 from the positioning slots 3a of the tooling plate 3.

[0039] like Figure 2-5 As shown, the support seat 12 and the base 11 are slidably connected by a guide rail structure 13, and the base 11 is fixed with a first linear module. The support seat 12 drives the support seat 12 to slide on the base 11 through the first linear module. The guide rail structure 13 is conducive to improving the consistency of the sliding direction of the support seat 12 between the loading position a and the transfer position b. The first linear module can mechanically drive the support seat 12 to slide on the base 11, reducing manual labor and utilizing industrial continuous production. The guide rail structure 13 in this embodiment adopts the conventional method of slider and slide rail. The guide matching method used is used; the first linear module includes a first electric cylinder 111 fixedly mounted on the base 11, and the output end of the first electric cylinder 111 is fixedly connected to the support seat 12 through a connecting member 112; the first electric cylinder 111 and the support seat 12 are respectively arranged on both sides of the base 11, and the base 11 is provided with an avoidance groove 11a corresponding to the connecting member 112, and the connecting member 112 is matched with the avoidance groove 11a, so that the spatial distribution of the first electric cylinder 111 and the support seat 12 when installed on the base 11 is more reasonable, which is conducive to making the structure of the utility model more compact.

[0040] The basic working principle of the present invention is as follows: a layer of zinc powder is pre-laid on the bottom of the mold cavity 20a, and the plate silver mesh 5 is placed on the tooling plate 3. The positioning groove 3a can effectively prevent the plate silver mesh 5 from detaching from the tooling plate 3 during transportation. The tooling plate 3 with the plate silver mesh 5 is placed on the support seat 12 at the loading position a, and slides to the transfer position b through the support seat 12, and uses the transfer module to transfer the plate silver mesh 5 on the tooling plate 3 to the mold cavity 20a of the mold core 20. The downward pressing module on the mounting frame 21 drives the pre-pressing plate 221 to press down, and uses the pressing effect of the pre-pressing plate 221 and the mold core 20 to make the pre-pressing plate 221 flatten the plate silver mesh 5 in the mold cavity 20a to a qualified flatness. Within the range of degrees, the plate silver mesh 5 and the bottom zinc powder are pressed tightly together, which is convenient for subsequently laying another layer of zinc powder on the plate silver mesh 5 to realize the extrusion molding of the plate. The utility model pre-presses the plate silver mesh 5 and the bottom zinc powder by adding a pre-pressing mechanism, thereby improving the flatness of the plate silver mesh 5 before assembly, which is beneficial to pressing the plate silver mesh 5 and the bottom zinc powder tightly together, improving the subsequent assembly accuracy of the plate extrusion molding, thereby effectively improving the yield rate of the plate product, and reducing the workload of manual frequent removal of defective products. It has the effect of improving the overall flatness of the product by pre-pressing the plate silver mesh before assembly, reducing labor costs, improving product assembly accuracy, and facilitating industrial continuous production.

[0041] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A plate pre-pressing mechanism, comprising a tooling plate (3), a loading module (1), a pre-pressing module (2) and a transfer module, characterized in that: The tooling plate (3) is provided with a positioning groove (3a) for positioning the plate silver mesh (5); the loading module (1) comprises a base (11) and a support seat (12) slidably arranged on the base (11); the tooling plate (3) and the support seat (12) are supported and matched, and the support seat (12) can drive the tooling plate (3) to slide between a loading position (a) and a transfer position (b) relative to the base (11); The pre-pressing module (2) comprises a mold core (20), a mounting frame (21), and a lower pressing module arranged on the mounting frame (21); the mold core (20) is provided with a mold cavity (20a) corresponding to the electrode silver mesh (5); the output end of the lower pressing module is provided with a pre-pressing plate (221) corresponding to the mold cavity (20a); the transfer module is used to transfer the electrode silver mesh (5) on the tooling plate (3) into the mold cavity (20a); and the lower pressing module can drive the pre-pressing plate (221) to press and fit with the electrode silver mesh (5) in the mold cavity (20a).

2. The electrode plate pre-stressing mechanism according to claim 1, characterized in that: The pressing die set comprises a pressing cylinder (22) fixedly mounted on the mounting frame (21), and the pre-pressing plate (221) is fixedly connected to the piston rod end of the pressing cylinder (22).

3. The electrode plate pre-stressing mechanism according to claim 1, characterized in that: The mounting frame (21) is provided with a lifting and positioning structure, which includes a driving device, a positioning plate assembly (24), and a plurality of positioning pins (241) fixed to the bottom of the positioning plate assembly (24). The tooling plate (3) is provided with positioning holes (3b) corresponding to the positioning pins (241). The driving device can drive the positioning plate assembly (24) to vertically lift relative to the mounting frame (21), so that the positioning pins (241) are plugged and positioned with the corresponding positioning holes (3b).

4. The electrode plate pre-stressing mechanism according to claim 3, characterized in that: The driving device comprises a lifting cylinder (23) and a lifting plate (231) fixedly connected to the output end of the lifting cylinder (23); the lifting cylinder (23) is fixedly mounted on the mounting frame (21); and the positioning plate assembly (24) is fixedly connected to the lifting plate (231) via a plurality of guide columns (25).

5. The electrode plate pre-compression mechanism according to claim 3, characterized in that: The transfer module includes a clamping device (26) provided at the bottom of the positioning plate assembly (24), and the clamping device (26) is used to clamp the plate silver mesh (5) and remove it from the tooling plate (3).

6. The electrode plate pre-stressing mechanism according to claim 5, characterized in that: The clamping device (26) comprises telescopic cylinders (261) symmetrically arranged on both sides of the bottom of the positioning plate assembly (24); the output ends of the telescopic cylinders (261) on both sides are provided with mounting plates (262); a plurality of clamping claws (2621) are relatively provided on the mounting plates (262) on both sides; clamping grooves (3c) communicating with the positioning groove (3a) are provided on both sides of the tooling plate (3); and the clamping claws (2621) can extend into the bottom of the positioning groove (3a) through the clamping grooves (3c).

7. The electrode plate pre-stressing mechanism according to claim 1, characterized in that: The support seat (12) and the base (11) are slidably connected via a guide rail structure (13), and the base (11) is fixed with a first linear module, and the support seat (12) is driven by the first linear module to slide on the base (11).

8. The electrode plate pre-compression mechanism according to claim 7, characterized in that: The first linear module comprises a first electric cylinder (111) fixedly mounted on the base (11), and an output end of the first electric cylinder (111) is fixedly connected to the support seat (12) via a connecting member (112).

9. The electrode plate pre-compression mechanism according to claim 8, characterized in that: The first electric cylinder (111) and the support seat (12) are respectively arranged on both sides of the base (11); the base (11) is provided with an avoidance groove (11a) corresponding to the connecting member (112); the connecting member (112) and the avoidance groove (11a) are avoidance-matched.

10. The electrode plate pre-compression mechanism according to claim 1, characterized in that: The transfer module further comprises a second linear module (4), the second linear module (4) comprising a guide rail frame (41) and a second electric cylinder (42), the second electric cylinder (42) driving the mounting frame (21) to slide on the guide rail frame (41), so that the mounting frame (21) moves between the loading module (1) and the pre-pressing module (2).

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