Full-automatic assembling device for stack production

Abstract

This invention relates to the field of battery manufacturing technology, and in particular to a fully automated assembly device for battery stack production. The device includes an assembly machine, a feeding mechanism for automatic battery stack feeding, and a transfer vehicle. The assembly machine has storage platforms on both sides, each with a support frame. Each support frame has a top plate below it. The transfer vehicle has several lower plates fixedly connected at equal intervals. L-shaped plates are fixedly connected to the four corners of the outer walls of each lower plate. The L-shaped plates have locking mechanisms for fixing the battery stack's position, ensuring the stability of the battery stack during transport. The top plate has a clamping mechanism for unlocking the battery stack and holding it in place. Through the clamping mechanism, locking mechanism, and limiting mechanism, this invention can automatically release the battery stack's position restriction on the transfer vehicle, then clamp the battery stack out and place it on the storage platform, thereby achieving automatic feeding of the device. This eliminates the need for manual filling, reduces battery stack damage caused by human error, and improves the automation efficiency of the device.

Description

Technical Field

[0001] This invention relates to the field of battery manufacturing technology, and in particular to a fully automated assembly device for battery stack production. Background Technology

[0002] The fuel cell stack is the core component of a fuel cell system. It is a device that converts hydrogen and oxygen into electrical energy through a chemical reaction. A fuel cell stack typically includes a housing and a core housed inside the housing. The core consists of alternately stacked electrode plates and membrane electrode assemblies. There are generally two ways to assemble the fuel cell stack. The first method is to first fix the sequentially stacked electrode plates and membrane electrode assemblies to form the core, and then fit the housing around the core and fix the housing and core together. The second method is to stack the electrode plates and membrane electrode assemblies sequentially to form the core, and then directly fit the housing around the core, omitting the fixing step of the electrode plates and membrane electrode assemblies, and then fix the housing and the electrode plates located at both ends of the core together.

[0003] With the rapid development of new energy technologies, the demand for fuel cell stacks is increasing. In the production process of fuel cell stacks, the application of fully automated assembly machines has greatly improved production efficiency and assembly accuracy. However, existing fully automated assembly machines still have some shortcomings in terms of material storage systems, especially in the storage and supply of fuel cell stacks.

[0004] Existing fully automated assembly machines are usually equipped with storage bins for temporary storage of battery stacks to be assembled. During the production process, when the number of battery stacks in the storage bin is insufficient, the battery stacks need to be manually removed from the transfer vehicle or packaging box and placed into the storage bin one by one. This manual operation is not only time-consuming and labor-intensive, but also prone to damage or contamination of the battery stacks due to human factors, which in turn affects product quality and production efficiency. Moreover, when placing battery stacks manually, due to human instability, collisions, scratches and other damage may be caused to the battery stacks, reducing their performance and service life.

[0005] Therefore, a fully automated assembly device for fuel cell stack production is proposed to solve the above problems. Summary of the Invention

[0006] The purpose of this invention is to address the shortcomings of the prior art by proposing a fully automated assembly device for fuel cell stack production.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a fully automated assembly device for fuel cell stack production, comprising an assembly machine, a feeding mechanism for automatic feeding of fuel cell stacks, and a transfer vehicle. The assembly machine has storage platforms on both sides, and support frames are provided on each storage platform. A top plate is provided below each support frame. Several lower plates are fixedly connected at equal intervals on the transfer vehicle. L-shaped plates are fixedly connected to the four corners of the outer walls of each of the lower plates. Locking mechanisms for fixing the position of the fuel cell stack are provided on the L-shaped plates to ensure the stability of the fuel cell stack during transfer. A clamping mechanism for unlocking the position of the fuel cell stack and clamping it is provided on the top plate. A top groove is opened at the top of the support frame, and a slider is slidably connected to the inner side of the top groove. A pair of upper electric telescopic cylinders are fixedly connected to the top of the slider. The output ends of the upper electric telescopic cylinders pass through the sliders and are fixedly connected to the top of the top plate. A lower electric telescopic cylinder is fixedly connected to the top of the support frame, and the output ends of the lower electric telescopic cylinders are fixedly connected to the side wall of the slider.

[0008] In the above technical solution, the locking mechanism further includes a horizontal plate, and each of the L-shaped plates has an L-shaped groove at its top. There are two pairs of horizontal plates, and each horizontal plate is slidably connected between two adjacent L-shaped grooves. Each side wall of the horizontal plate has a groove, and a locking plate is rotatably connected to the inner side of each groove. The horizontal plate is provided with a limiting mechanism for restricting the flipping position of the locking plate. Each of the L-shaped plates has a side groove, and a positioning plate is fixedly connected to the inner side of each side groove. The side wall of the positioning plate has several locking grooves equidistantly arranged, and the bottom ends of the locking grooves are all inclined. Each bottom of the horizontal plate is fixedly connected to a vertical plate relative to the position inside the side groove. A round rod is slidably connected through the side wall of the vertical plate, and a plug for inserting into the locking groove is fixedly connected to the side wall of the round rod. The bottom end of the plug is inclined, and a right-angled block with an inclined surface is fixedly connected to the side wall of the plug.

[0009] In the above technical solution, an upper spring is fixedly connected between the side wall of the insert block and the side wall of the vertical plate, a lower spring is fixedly connected between the bottom end of the L-shaped groove and the bottom end of the horizontal plate, a pair of straight plates are fixedly connected to the outer wall of the L-shaped plate, an extrusion plate for extruding the inclined surface of the right-angle block is slidably connected between the straight plates, and a number of return springs are fixedly connected between the extrusion plate and the outer wall of the L-shaped plate.

[0010] In the above technical solution, the limiting mechanism further includes a limiting block, a fixed frame is fixedly connected to the top of the horizontal plate, the limiting block is slidably connected to the inner side of the fixed frame, the top of the limiting block contacts the top of the locking plate, a limiting spring is fixedly connected between the side wall of the limiting block and the inner side of the fixed frame, the bottom end of the side wall of the limiting block is inclined, and a release groove is opened on the side away from the top of the L-shaped plate, the bottom end of the release groove is set as a smooth arc surface.

[0011] In the above technical solution, the clamping mechanism further includes a clamping electric telescopic cylinder, and side plates are fixedly connected to both sides of the bottom end of the top plate. A pair of clamping electric telescopic cylinders are provided, and each clamping electric telescopic cylinder is fixedly connected to the side wall of the side plate. The output end of each clamping electric telescopic cylinder passes through the side plate and is fixedly connected to a push plate. A bidirectional electric telescopic cylinder is fixedly connected to the top of the top plate, and the output end of each bidirectional electric telescopic cylinder is fixedly connected to an L-shaped clamping plate.

[0012] In the above technical solution, the top of the storage platform is provided with an upper groove, and the transfer vehicle is provided with several lower grooves at equal intervals. A U-shaped positioning block for inserting into the upper and lower grooves is provided between the storage platform and the transfer vehicle.

[0013] In the above technical solution, further, an L-shaped moving rod is fixedly connected to the front side of the slider, a front plate is fixedly connected to the front side of the support frame, a touch plate is rotatably connected to the rear side of the front plate, and touch sensors are fixedly connected to both sides of the bottom of the support frame relative to the touch plate.

[0014] In the above technical solution, the top of the support frame is fixedly connected to a limit electric telescopic cylinder, the side wall of the moving component of the feeding mechanism is fixedly connected to a touch switch, a gap is left between the support frame and the slide rail of the feeding mechanism for the movement of the moving component, and the touch switch is electrically connected to the feeding mechanism through a controller.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This invention, through the design of clamping, locking, and limiting mechanisms, can automatically release the positional restrictions of the fuel cell stack on the transfer vehicle, and then clamp the fuel cell stack out and place it on the storage platform, thereby realizing the automatic feeding function of the device. It eliminates the need for manual filling, reduces the phenomenon of fuel cell stack damage caused by human factors, and improves the automation efficiency of the device.

[0017] 2. This invention, through the design of a moving rod, a limit electric telescopic cylinder, and a touch switch, enables the limit electric telescopic cylinder to be activated and extend its output end when the clamping mechanism moves the fuel cell stack on the transfer vehicle to the storage platform. When the feeding mechanism moves over, the touch switch can be pressed at the output end of the limit electric telescopic cylinder to automatically stop the feeding mechanism, thus preventing an assembly machine program error that could cause the feeding mechanism and clamping mechanism to move towards the storage platform simultaneously and collide with the fuel cell stack, greatly improving the safety performance of the device during operation. Attached Figure Description

[0018] Figure 1 This is a front perspective view of the assembly device of the present invention;

[0019] Figure 2 Appendix of the present invention Figure 1 A magnified view of the structure at point A in the middle;

[0020] Figure 3 This is a three-dimensional structural diagram of the storage platform and positioning block of the present invention, separated from the transfer vehicle and support frame;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the extrusion plate and the L-shaped plate of the present invention.

[0022] Figure 5 This is a top-view perspective view of the lower plate and L-shaped plate of the present invention.

[0023] Figure 6 Appendix of the present invention Figure 5 A magnified schematic diagram of the structure at point B in the middle;

[0024] Figure 7 This is a schematic diagram of a partial cross-sectional view of the front of the horizontal plate and the positioning plate of the present invention;

[0025] Figure 8 Appendix of the present invention Figure 7 A magnified schematic diagram of the structure at point C in the middle;

[0026] Figure 9 This is a schematic diagram of the overall appearance and structure of the moving component in the feeding mechanism of the present invention.

[0027] In the diagram: 1. Assembly machine; 2. Feeding mechanism; 3. Storage platform; 4. Support frame; 5. Transfer vehicle; 6. Top plate; 7. Bottom plate; 8. L-shaped plate; 9. Sliding block; 10. Upper electric telescopic cylinder; 11. Lower electric telescopic cylinder; 12. Horizontal plate; 13. Locking plate; 14. Positioning plate; 15. Locking groove; 16. Vertical plate; 17. Round rod; 18. Insert block; 19. Upper spring; 20. Lower spring; 21. Right-angle block; 22. Straight plate; 23. 24. Extrusion plate; 25. Reset spring; 26. Limiting block; 27. Fixing frame; 28. Limiting spring; 29. ​​Release groove; 30. Clamping electric telescopic cylinder; 31. Side plate; 32. Push plate; 33. Bidirectional electric telescopic cylinder; 34. Clamping plate; 35. Upper groove; 36. Lower groove; 37. Positioning block; 38. Moving rod; 39. Front plate; 40. Touch plate; 41. Touch sensor; 42. Touch switch; 43. Limiting electric telescopic cylinder. Detailed Implementation

[0028] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the invention is not limited to the specific embodiments disclosed below.

[0030] like Figures 1-9 The diagram shows a fully automated assembly device for fuel cell stack production, comprising an assembly machine 1, a feeding mechanism 2 for automatic feeding of fuel cell stacks, and a transfer cart 5. The assembly machine 1 primarily uses the feeding mechanism 2 to stack fuel cell stack components layer by layer onto an assembly platform, forming the initial structure of the fuel cell stack. The assembly machine 1 is equipped with a pressure plate and a drive mechanism to apply pressure to the stacked fuel cell stacks, ensuring a tight fit between each layer. After pressing, the assembly machine 1 uses a bolt locking device to fix the fuel cell stack, ensuring structural stability. Storage platforms 3 are located on both sides of the assembly machine 1, each storage platform 3 is equipped with a support frame 4, and each support frame 4 is supported by a top plate 6. The transfer cart 5 is equidistantly fixed... Several lower plates 7 are connected, and L-shaped plates 8 are fixedly connected to the four corners of the outer wall of the lower plates 7. The L-shaped plates 8 are equipped with locking mechanisms for fixing the position of the electric stack to ensure the stability of the electric stack during the transfer process. The top plate 6 is equipped with a clamping mechanism for unlocking the position of the electric stack and clamping the electric stack. The top of the support frame 4 is provided with a top groove, and a slider 9 is slidably connected to the inside of the top groove. A pair of upper electric telescopic cylinders 10 are fixedly connected to the top of the slider 9. The output end of the upper electric telescopic cylinder 10 passes through the slider 9 and is fixedly connected to the top of the top plate 6. The top of the support frame 4 is fixedly connected to a lower electric telescopic cylinder 11, and the output end of the lower electric telescopic cylinder 11 is fixedly connected to the side wall of the slider 9.

[0031] The locking mechanism includes a horizontal plate 12, and L-shaped plates 8, each with an L-shaped groove at its top. Two pairs of horizontal plates 12 are provided, slidably connected between adjacent L-shaped grooves. The side walls of the horizontal plates 12 are each provided with a groove, and a locking plate 13 is rotatably connected to the inner side of each groove. It should be noted that a limiting plate is provided at the bottom of the groove to prevent the locking plate 13 from flipping downwards, ensuring that the locking plate 13 will not flip downwards. The horizontal plate 12 is provided with a limiting mechanism to limit the flipping position of the locking plate 13. The outer walls of the L-shaped plates 8 are... A side groove is provided, and a positioning plate 14 is fixedly connected to the inside of the side groove. Several locking grooves 15 are provided at equal intervals on the side wall of the positioning plate 14. The bottom ends of the locking grooves 15 are all inclined. A vertical plate 16 is fixedly connected to the bottom of the horizontal plate 12 relative to the position inside the side groove. A round rod 17 is slidably connected through the side wall of the vertical plate 16. An insert 18 for inserting into the locking groove 15 is fixedly connected to the side wall of the round rod 17. The bottom end of the insert 18 is inclined. A right-angled block 21 with an inclined surface is fixedly connected to the side wall of the insert 18.

[0032] An upper spring 19 is fixedly connected between the side wall of the insert block 18 and the side wall of the vertical plate 16. A lower spring 20 is fixedly connected between the bottom end of the L-shaped groove and the bottom end of the horizontal plate 12. A pair of straight plates 22 are fixedly connected to the outer wall of the L-shaped plate 8. A pressing plate 23 for pressing the inclined surface of the right-angle block 21 is slidably connected between the straight plates 22. The side of the pressing plate 23 near the right-angle block 21 is set as a smooth arc surface. Several return springs 24 are fixedly connected between the pressing plate 23 and the outer wall of the L-shaped plate 8.

[0033] The clamping mechanism includes a clamping electric telescopic cylinder 29. Side plates 30 are fixedly connected to both sides of the bottom end of the top plate 6. A pair of clamping electric telescopic cylinders 29 are provided. The clamping electric telescopic cylinders 29 are fixedly connected to the side wall of the side plate 30. Push plates 31 are fixedly connected to the output end of the clamping electric telescopic cylinder 29 through the side plate 30. A bidirectional electric telescopic cylinder 32 is fixedly connected to the top end of the top plate 6. L-shaped clamping plates 33 are fixedly connected to the output end of the bidirectional electric telescopic cylinder 32.

[0034] During the assembly and processing of the fuel cell stack, the completed fuel cell stacks are first stacked layer by layer between the L-shaped plates 8 on the transfer cart 5. Then, the locking plate 13 is flipped to the top of the fuel cell stack, and the horizontal plate 12 is pushed down, which simultaneously moves the locking plates 13 on both sides downward. At this time, the limiting mechanism restricts the upward flipping position of the locking plates 13, so the locking plates 13 will squeeze the four corners of the fuel cell stack, squeezing and fixing the fuel cell stack onto the lower plate 7. During this process, the downward movement of the horizontal plate 12 will drive the vertical plate 16 to move down, gradually compressing the lower spring 20, and simultaneously driving the round rod 17 and the insert block 18 to move down. At this time, the inclined surface at the bottom of the locking groove 15 will squeeze the inclined surface at the bottom of the insert block 18. Since the position of the positioning plate 14 is fixed, under the squeezing of the inclined surface of the locking groove 15, the insert block 18 will gradually move from the bottom of the locking groove 15. The locking groove 15 slides out, simultaneously driving the round rod 17 to slide and compress the upper spring 19. Then, the insert block 18 slides out completely from the inside of the locking groove 15 and slides into the lower locking groove 15. Then, under the elastic force of the upper spring 19, the insert block 18 is pushed in and then squeezed by the inclined surface of the locking groove 15. This process is repeated until the horizontal plate 12 moves down to the designated position and the insert block 18 is inserted into the corresponding locking groove 15. Thus, the plane at the top of the locking groove 15 and the plane at the top of the insert block 18 are in contact, which restricts the upward sliding position of the insert block 18 and the vertical plate 16, ensuring the locking effect of the fuel cell stack, ensuring the stability of the fuel cell stack during the transfer process, and avoiding damage caused by the electric motor shaking. Then, the transfer car 5 is pushed to transfer the fuel cell stack to the side of the storage platform 3.

[0035] The upper electric telescopic cylinder 10 can be activated to move the top plate 6 downwards, moving the clamping plates 33 to both sides of the fuel cell stack. Then, the bidirectional electric telescopic cylinder 32 is activated to move the two clamping plates 33 towards the center, clamping the sides and bottom of the fuel cell stack. (It should be noted that protective pads must be affixed to the inner side of the clamping plates 33 and the bottom of the locking plate 13 to improve the protection of the fuel cell stack.) During this process, the clamping electric telescopic cylinder 29 is activated to move the push plate 31, which in turn pushes the extrusion plate 23 on the L-shaped plate 8, causing the arc surface of the extrusion plate 23 to press against the inclined surface of the right-angle block 21. Since the pressing plate 23 can only slide laterally, it will press the inclined surface of the right-angle block 21, causing the right-angle block 21 to slide. At the same time, it will compress the reset spring 24. When the right-angle block 21 slides, it will drive the insert block 18 and the round rod 17 to move and compress the upper spring 19, so that the insert block 18 slides out of the locking groove 15, releasing the sliding restriction on the vertical plate 16 and the horizontal plate 12. Then, under the elastic force of the lower spring 20, the horizontal plate 12 is pushed to reset, and at the same time, the locking plate 13 is moved upward, releasing the pressing on the fuel cell. At this time, the limiting mechanism loses its function and releases the upward flipping restriction on the locking plate 13.

[0036] Finally, the upper electric telescopic cylinder 10 can be started to move the top plate 6 upward, which in turn moves the fuel cell stack upward. At this time, the fuel cell stack will push the locking plate 13 to flip upward. Then, the fuel cell stack will be completely removed from the L-shaped plate 8. The lower electric telescopic cylinder 11 can then be started to push the slider 9, the top plate 6, and the fuel cell stack to the top of the storage platform 3. Then, the upper electric telescopic cylinder 10 can be started to put the fuel cell stack into the storage platform 3. The bidirectional electric telescopic cylinder 32 can then be extended. Finally, the upper electric telescopic cylinder 10 and the lower electric telescopic cylinder 11 can be reset, thereby realizing the automatic feeding function of the device. There is no need for manual filling, which reduces the phenomenon of fuel cell stack damage caused by human factors and improves the automation efficiency of the device.

[0037] In order to limit the flipping of the locking plate 13, the limiting mechanism includes a limiting block 25. A fixed frame 26 is fixedly connected to the top of the horizontal plate 12. The limiting block 25 is slidably connected to the inside of the fixed frame 26. The top of the limiting block 25 contacts the top of the locking plate 13. A limiting spring 27 is fixedly connected between the side wall of the limiting block 25 and the inside of the fixed frame 26. The bottom end of the side wall of the limiting block 25 is inclined. Release grooves 28 are opened on the side away from the top of the L-shaped plate 8. The bottom end of the release groove 28 is set as a smooth arc surface, which facilitates the squeezing of the inclined surface of the limiting block 25, so that the limiting block 25 slides into the fixed frame 26 more smoothly.

[0038] During the downward movement of the horizontal plate 12, the limiting block 25 will move downward. Since the limiting block 25 can only slide within the fixed frame 26, the arc surface at the bottom of the release groove 28 will press against the inclined surface at the bottom of the limiting block 25, causing the limiting block 25 to slide into the fixed frame 26 and stretch the limiting spring 27. Consequently, the other end of the limiting block 25 will extend above the locking plate 13, thus restricting the upward movement of the locking plate 13. Finally, when the horizontal plate 12 moves upward and resets, it will cause the limiting block 25 to move upward simultaneously. Subsequently, when the limiting block 25 moves to the side of the release groove 28, the pressure on the limiting block 25 will be released. Then, under the elastic force of the limiting spring 27, the limiting block 25 will be pulled back to its original position, thereby pulling the other end of the limiting block 25 out of the locking plate 13 and releasing the upward movement restriction on the locking plate 13.

[0039] To ensure the stability of the device during operation, an upper slot 34 is provided at the top of the storage platform 3, and several lower slots 35 are provided at equal intervals on the transfer vehicle 5. A U-shaped positioning block 36 is provided between the storage platform 3 and the transfer vehicle 5 for insertion into the upper slot 34 and the lower slot 35. With the setting of the upper slot 34, the lower slot 35 and the positioning block 36, when the transfer vehicle 5 moves to the side of the storage platform 3, the two ends of the positioning block 36 can be inserted into the upper slot 34 and the lower slot 35 respectively, thereby positioning the position of the transfer vehicle 5 and ensuring the accurate insertion of the subsequent clamping plate 33. When the electric stack in one of the L-shaped plates 8 on the transfer vehicle 5 is removed, the positioning block 36 can be pulled out. Then, the transfer vehicle 5 is pushed to move the other pair of L-shaped plates 8 to the bottom of the support frame 4, and the positioning block 36 is inserted, which can then position the transfer vehicle 5.

[0040] To improve the safety of the device during operation, an L-shaped moving rod 37 is fixedly connected to the front side of the slider 9, a front plate 38 is fixedly connected to the front side of the support frame 4, and a touch plate 39 is rotatably connected to the rear side of the front plate 38. Touch sensors 40 are fixedly connected to both sides of the bottom of the support frame 4 relative to the touch plate 39. It should be noted that the two touch sensors 40 are electrically connected to the limit electric telescopic cylinder 42 through the controller. The touch sensor 40 on the side closer to the storage platform 3 controls the limit electric telescopic cylinder 42 to extend, and the touch sensor 40 on the other side controls the limit electric telescopic cylinder 42 to retract.

[0041] The top of the support frame 4 is fixedly connected to a limit electric telescopic cylinder 42, and the side wall of the moving component of the feeding mechanism 2 is fixedly connected to a touch switch 41. There is a gap between the support frame 4 and the slide rail of the feeding mechanism 2 for the moving component to move, and the touch switch 41 is electrically connected to the feeding mechanism 2 through a controller.

[0042] During the process of the lower electric telescopic cylinder 11 moving the slider 9, top plate 6, and electric stack towards the storage platform 3, the moving rod 37 will move simultaneously. Before reaching the storage platform 3, the moving rod 37 will touch the bottom of the touch plate 39, thereby causing the touch plate 39 to rotate upward around the hinge, thus touching one of the touch sensors 40. The signal is then transmitted to the controller, which controls the limit electric telescopic cylinder 42 to activate the telescopic output end. Subsequently, when the moving rod 37 moves away from under the touch plate 39, the pressure on the touch plate 39 is released, and the touch plate 39 flips back to its original position under its own weight. During this process, the extension of the output end of the limit electric telescopic cylinder 42 allows the feeding mechanism 2 to move. When the material is retrieved from the storage platform 3, the contact switch 41 is pressed at the output end of the limit electric telescopic cylinder 42, which automatically controls the feeding mechanism 2 to stop running, thus acting as a physical barrier to prevent the feeding mechanism 2 and the clamping mechanism from running towards the storage platform 3 simultaneously due to a program error in the assembly machine 1, which could cause a collision with the battery stack. This greatly improves the safety performance during the operation of the device. Finally, after the battery stack is placed on the storage platform 3, when the lower electric telescopic cylinder 11 retracts and resets, the moving rod 37 will move in the opposite direction, repeating the above operation in reverse. This causes the contact plate 39 to touch another contact sensor 40, thereby controlling the limit electric telescopic cylinder 42 to retract through the controller, thus preventing obstruction of the normal operation of the feeding mechanism 2 in retrieving materials.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of the present invention.

[0044] Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of the present invention. Various changes and modifications can be made to the present invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. A fully automated assembly device for fuel cell stack production, comprising an assembly machine (1), a feeding mechanism (2) for automatic feeding of fuel cell stacks, and a transfer vehicle (5), wherein the assembly machine (1) is provided with storage platforms (3) on both sides, characterized in that: Each of the storage platforms (3) is provided with a support frame (4), and each of the support frames (4) is provided with a top plate (6). Several lower plates (7) are fixedly connected at equal intervals on the transfer vehicle (5). L-shaped plates (8) are fixedly connected to the four corners of the outer walls of the several lower plates (7). The L-shaped plates (8) are provided with a locking mechanism for fixing the position of the electric stack to ensure the stability of the electric stack during the transfer process. The top plate (6) is provided with a clamping mechanism for unlocking the position of the electric stack and clamping the electric stack. The top of the support frame (4) is provided with a top groove. A slider (9) is slidably connected to the inner side of the top groove. A pair of upper electric telescopic cylinders (10) are fixedly connected to the top of the slider (9). The output end of the upper electric telescopic cylinder (10) passes through the slider (9) and is fixedly connected to the top of the top plate (6). The top of the support frame (4) is fixedly connected with a lower electric telescopic cylinder (11). The output end of the lower electric telescopic cylinder (11) is fixedly connected to the side wall of the slider (9).

2. The fully automated assembly device for fuel cell stack production according to claim 1, characterized in that: The locking mechanism includes a horizontal plate (12), and each of the L-shaped plates (8) has an L-shaped groove at its top. Two pairs of horizontal plates (12) are provided, and each horizontal plate (12) is slidably connected between two adjacent L-shaped grooves. Each side wall of the horizontal plate (12) has a groove, and a locking plate (13) is rotatably connected to the inner side of each groove. A limiting mechanism for restricting the rotation position of the locking plate (13) is provided on the horizontal plate (12). Each outer wall of the L-shaped plate (8) has a side groove, and a positioning plate (14) is fixedly connected to the inner side of each side groove. The side wall of the position plate (14) is provided with a number of locking grooves (15) at equal intervals. The bottom ends of the locking grooves (15) are all inclined. The bottom of the horizontal plate (12) is fixedly connected to a vertical plate (16) relative to the position inside the side groove. A round rod (17) is slidably connected through the side wall of the vertical plate (16). A plug (18) for inserting into the locking groove (15) is fixedly connected to the side wall of the round rod (17). The bottom end of the plug (18) is inclined. A right-angled block (21) with an inclined surface is fixedly connected to the side wall of the plug (18).

3. The fully automated assembly device for fuel cell stack production according to claim 2, characterized in that: An upper spring (19) is fixedly connected between the side wall of the insert (18) and the side wall of the vertical plate (16). A lower spring (20) is fixedly connected between the bottom end of the L-shaped groove and the bottom end of the horizontal plate (12). A pair of straight plates (22) are fixedly connected to the outer wall of the L-shaped plate (8). A pressing plate (23) for pressing the inclined surface of the right-angle block (21) is slidably connected between the straight plates (22). Several return springs (24) are fixedly connected between the pressing plate (23) and the outer wall of the L-shaped plate (8).

4. The fully automated assembly device for fuel cell stack production according to claim 2, characterized in that: The limiting mechanism includes a limiting block (25), a fixed frame (26) is fixedly connected to the top of the horizontal plate (12), the limiting block (25) is slidably connected to the inner side of the fixed frame (26), the top of the limiting block (25) is in contact with the top of the locking plate (13), a limiting spring (27) is fixedly connected between the side wall of the limiting block (25) and the inner side of the fixed frame (26), the bottom end of the side wall of the limiting block (25) is inclined, and a release groove (28) is provided on the side away from the top of the L-shaped plate (8), and the bottom end of the release groove (28) is set as a smooth arc surface.

5. The fully automated assembly device for fuel cell stack production according to claim 1, characterized in that: The clamping mechanism includes a clamping electric telescopic cylinder (29). Side plates (30) are fixedly connected to both sides of the bottom end of the top plate (6). A pair of clamping electric telescopic cylinders (29) are provided. The clamping electric telescopic cylinders (29) are fixedly connected to the side wall of the side plate (30). The output end of the clamping electric telescopic cylinder (29) passes through the side plate (30) and is fixedly connected to a push plate (31). A bidirectional electric telescopic cylinder (32) is fixedly connected to the top end of the top plate (6). The output end of the bidirectional electric telescopic cylinder (32) is fixedly connected to an L-shaped clamping plate (33).

6. The fully automated assembly device for fuel cell stack production according to claim 1, characterized in that: The storage platform (3) has an upper groove (34) at its top, and the transfer vehicle (5) has several lower grooves (35) at equal intervals. A U-shaped positioning block (36) for inserting into the upper groove (34) and lower groove (35) is provided between the storage platform (3) and the transfer vehicle (5).

7. The fully automated assembly device for fuel cell stack production according to claim 1, characterized in that: The slider (9) is fixedly connected to an L-shaped moving rod (37) on the front side, the support frame (4) is fixedly connected to a front plate (38) on the front side, the front plate (38) is rotatably connected to a touch plate (39) on the rear side, and the bottom of the support frame (4) is fixedly connected to touch sensors (40) on both sides of the touch plate (39).

8. The fully automated assembly device for fuel cell stack production according to claim 1, characterized in that: The top of the support frame (4) is fixedly connected to a limit electric telescopic cylinder (42), and a touch switch (41) is fixedly connected to the side wall of the moving component of the feeding mechanism (2). There is a gap between the support frame (4) and the slide rail of the feeding mechanism (2) for the moving component to move, and the touch switch (41) is electrically connected to the feeding mechanism (2) through a controller.

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