A fuel cell steel belt automatic tensioning and bundling welding device

Abstract

The present invention discloses an automatic tensioning and binding welding device for fuel cell steel strips. The device includes a steel strip bending device, a pressing device and a welding device. The pressing device includes a support frame, a lifting platform, a base, a pressing plate and a driving mechanism; the base is arranged on the support frame, the lifting platform is arranged above the base, the pressing plate is fixedly arranged below the lifting platform, and the driving mechanism is connected to the lifting platform in a transmission manner to drive the lifting platform to drive the pressing plate to move up and down; the steel strip bending device includes an upper bending mechanism and a lower bending mechanism; an operating port is provided in the middle of the lifting platform, and a welding device is arranged above the lifting platform, and the steel strip is welded by the operating port. The battery to be bound is placed on the base, and the steel strip is bound to the side and upper part of the fuel cell through the action of the upper bending mechanism and the lower bending mechanism, and the steel strip is pressed to the top of the fuel cell through the downward pressing action of the lifting platform. The welding device is used to press and weld the joints of the steel strip to improve the product quality rate.

Description

Technical Field

[0001] The invention relates to the technical field of fuel cell preparation equipment, and in particular to an automatic tensioning, bundling and welding device for fuel cell steel strips. Background Art

[0002] A fuel cell is a chemical device that converts the chemical energy of a fuel directly into electrical energy. In the prior art, the final stage of fuel cell assembly is to tie the fuel cell with steel tie ties, which are then welded and fixed at the tie joints. In the prior art, some welding equipment without a pressing device cannot determine whether the tie joints are fitted, which easily results in a cold weld.

[0003] In some other existing technologies, fuel cell press welding is done by manual welding, which has low efficiency and does not meet assembly welding requirements. Summary of the invention

[0004] The purpose of the present invention is to address the above-mentioned deficiencies in the prior art and to provide a fuel cell steel strip automatic tensioning and binding welding device that improves the assembly accuracy of fuel cell straps, reduces manual labor intensity, and improves production efficiency.

[0005] The fuel cell steel strip automatic tensioning and binding welding device of the present invention comprises a steel strip bending device, a pressing device and a welding device, wherein the pressing device comprises a support frame, a lifting platform, a base, a pressing plate and a driving mechanism;

[0006] The base is arranged on the support frame, the fuel cell to be bundled is placed on the base, the lifting platform is arranged above the base, the pressing plate is fixedly arranged below the lifting platform, and the driving mechanism is connected to the lifting platform to drive the lifting platform to drive the pressing plate to move up and down;

[0007] The steel strip bending device comprises an upper bending mechanism and a lower bending mechanism;

[0008] The upper bending mechanism comprises a mounting seat, a movable seat, a latch, a first driving assembly, a second driving assembly, an upper bending mold, a third driving assembly and a moving assembly, wherein the moving assembly comprises a first slide rail, a slider and a moving seat, the slide rail is horizontally arranged on the lifting platform, the slider is arranged on the slide rail, the moving seat is arranged on the slider, the third driving assembly is arranged on the moving seat, the third driving assembly is transmission-connected with the upper bending mold, and the transmission connection is used to drive the upper bending mold to move toward the steel strip and bend the steel strip, the mounting seat is fixedly mounted on the moving seat, the movable seat can be slidably arranged on the mounting seat up and down, the first driving assembly is transmission-connected with the movable seat to drive the movable seat to slide up and down, the second driving assembly is fixedly arranged on the movable seat, and the second driving assembly is transmission-connected with the latch to drive the latch to insert or withdraw from the tensioning hole of the steel strip;

[0009] The lower bending mechanism comprises a lower bending die and a fourth driving assembly, the steel strip is horizontally placed on the base, the fuel cell to be bundled is placed on the base and pressed on the steel strip, both sides of the base are provided with insertion holes passing through it, the lower bending die is arranged below the base, and the fourth driving assembly is transmission-connected with the lower bending die to drive the lower bending die to move upward through the insertion holes to contact the steel strip and bend the steel strip;

[0010] An operating opening is provided in the middle of the lifting platform and passes through the lifting platform. The welding device is arranged above the lifting platform, and the steel strip is welded through the operating opening.

[0011] Furthermore, the welding device includes a displacement mechanism and a welding mechanism, the displacement mechanism is installed on the lifting platform, the welding mechanism is installed on the displacement mechanism, and the displacement mechanism drives the welding mechanism to move.

[0012] Furthermore, the displacement mechanism is a three-dimensional numerically controlled workbench, and the welding mechanism includes a welding laser head, which is installed on the three-dimensional numerically controlled workbench.

[0013] Furthermore, the lower bending mold includes a movable plate and multiple bending plates, the multiple bending plates are vertically arranged on the movable plate, and are arranged in two rows, respectively arranged on both sides of the movable plate, the top ends of the multiple bending plates are respectively and one by one inserted into the sockets on the base, and the fourth driving component is driven and connected to the movable plate to drive the movable plate to move up and down.

[0014] Furthermore, the fourth driving component includes a motor and a screw rod, the movable plate is provided with a threaded hole passing through it, one end of the screw rod is transmission-connected to the driving end of the motor, and the screw rod is spirally disposed in the threaded hole.

[0015] Furthermore, two steel belt guide plates are provided on the base, and the two steel belt guide plates are respectively arranged on both sides of the base. The steel belt guide plates are each provided with a plurality of guide grooves, and the steel belts are placed on the guide grooves one by one.

[0016] Furthermore, the first driving assembly includes a first cylinder, and the driving end of the first cylinder is transmission-connected to the movable seat to drive the movable seat to move up and down; the upper bending mechanism also includes a guide block, the pin is arranged on the guide block, and the guide block is transmission-connected to the second driving assembly; the second driving assembly includes a second cylinder, and the driving end of the second cylinder is transmission-connected to the guide block to drive the guide block to approach or move away from the steel belt.

[0017] Furthermore, the movable seat is also provided with a guide rail, and the guide block is slidably arranged on the guide rail;

[0018] Furthermore, the driving mechanism includes multiple driving screws, multiple guide columns, a fixed platform and a fifth driving component. The multiple guide columns are vertically arranged on the support frame. The lifting platform is provided with multiple guide holes. The lifting platform is sleeved on the guide columns through the guide holes and can slide up and down along them. The fixed platform is fixedly arranged on the top of the guide columns. The fifth driving component is installed on the fixed platform. One end of the driving screw is fixedly connected to the lifting platform, and the other end is threadedly connected to the fifth driving component. The fifth driving component drives the driving screw to rotate.

[0019] Furthermore, the equipment also includes an automatic feeding device, which includes a steel strip unloading mechanism, a first punching mechanism, a steel strip cutting mechanism, a second punching mechanism, a feeding platform, a transfer driving mechanism, a guide rail and a transfer platform, wherein the steel strip unloading mechanism includes a structural plate, a unloading motor, a unloading reel and a guide pressing wheel, the structural plate is vertically arranged, the unloading motor is installed on the back of the structural plate, the power end of the unloading motor passes through the structural plate and extends to the front of the structural plate, the axis of the unloading reel is installed on the power of the unloading motor, and the steel strip is wound on the unloading reel;

[0020] The guide rail is installed on the top surface of the loading platform, the transfer platform is slidably installed on the guide rail, the transfer drive mechanism is installed on the equipment base and the power end is connected to the transfer platform, the transfer drive mechanism can push the transfer platform to slide along the guide rail, the steel strip unloading mechanism, the first punching mechanism, the steel strip cutting mechanism and the second punching mechanism are all installed on the top surface of the transfer platform, and the setting direction of the guide rail is perpendicular to the extension direction of the steel strip guide groove;

[0021] The first punching mechanism and the second punching mechanism have punching positions, the steel strip cutting mechanism has a cutting position, and the punching position of the first punching mechanism, the punching position of the second punching mechanism, and the cutting position of the steel strip cutting mechanism are on the same horizontal line.

[0022] The fuel cell steel strip automatic tensioning and bundling welding equipment of the present invention places the batteries to be bundled on a base, and the steel strips are bundled to the sides and top of the fuel cell through the action of the upper bending mechanism and the lower bending mechanism, and the steel strips are pressed to the top of the fuel cell through the downward action of the lifting platform, and the steel strip joints are pressed and welded by the welding device, thereby integrating the two operation steps into a special equipment. The above work does not need to be completed manually for pressing and welding, thereby improving the quality rate of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a fuel cell steel strip automatic tensioning and binding welding device of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the lower bending mechanism of the present invention;

[0025] Figure 3 It is a partial structural schematic diagram of the upper bending mechanism of the present invention.

[0026] Figure 4 It is a structural schematic diagram of the automatic feeding device of the present invention;

[0027] Figure 5 It is a schematic diagram of the back structure of the automatic feeding device of the present invention;

[0028] Figure 6 It is a front structural schematic diagram of the automatic feeding device of the present invention.

[0029] 1. Bending device;

[0030] 2. Pressing device; 21. Support frame; 22. Lifting platform; 221. Operation port; 222. Guide hole; 23. Base; 231. Socket; 24. Pressing plate; 25. Driving mechanism; 251. Driving screw rod; 252. Guide column; 253. Fixed platform; 254. Fifth driving assembly;

[0031] 3. Welding device; 31. Displacement mechanism; 32. Welding mechanism; 321. Welding laser head;

[0032] 4. Upper bending mechanism; 41. Mounting seat; 42. Movable seat; 421. Guide rail; 43. Latch; 44. First drive assembly; 45. Second drive assembly; 46. Upper bending die; 47. Third drive assembly; 48. Moving assembly; 481. Slide rail; 482. Sliding block; 483. Moving seat; 49. Guide block;

[0033] 5. Lower bending mechanism; 51. Lower bending mold; 511. Movable plate; 5111. Threaded hole; 512. Bending plate; 52. Fourth driving assembly; 521. Motor; 522. Screw rod; 53. Steel belt guide plate; 531. Guide groove; 532. Weight reduction hole;

[0034] 6. Automatic feeding device; 61. Steel strip unwinding mechanism; 611. Structural plate; 612. Unwinding motor; 613. Unwinding reel; 614. Guide and pressure wheel; 62. First punching mechanism; 63. Steel strip cutting mechanism; 64. Second punching mechanism; 651. Transfer driving mechanism; 652. Guide rail; 653. Transfer platform; 66. Feeding platform. DETAILED DESCRIPTION

[0035] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0036] like Figure 1-3 As shown, a fuel cell steel strip automatic tensioning and binding welding device of the present invention comprises a steel strip bending device 1, a pressing device 2 and a welding device 3, wherein the pressing device 2 comprises a support frame 21, a lifting platform 22, a base 23, a pressing plate 24 and a driving mechanism 25;

[0037] The base 23 is arranged on the support frame 21, the fuel cell to be bundled is placed on the base 23, the lifting platform 22 is arranged above the base 23, the pressing plate 24 is fixedly arranged below the lifting platform 22, and the driving mechanism 25 is connected to the lifting platform 22 to drive the lifting platform 22 to drive the pressing plate 24 to move up and down;

[0038] The steel strip bending device 1 comprises an upper bending mechanism 4 and a lower bending mechanism 5;

[0039] The upper bending mechanism 4 includes a mounting seat 41, a movable seat 42, a latch 43, a first driving assembly 44, a second driving assembly 45, an upper bending die 46, a third driving assembly 47 and a moving assembly 48, wherein the moving assembly 48 includes a slide rail 481, a slider 482 and a moving seat 483, wherein the slide rail 481 is horizontally arranged on the lifting platform 22, the slider 482 is arranged on the slide rail 481, the moving seat 483 is arranged on the slider 482, the third driving assembly 47 is arranged on the moving seat 483, and the third driving assembly 481 is arranged on the moving seat 483. 7 is transmission-connected with the upper bending die 46, so as to drive the upper bending die 46 to move toward the steel strip and bend the steel strip, the mounting seat 41 is fixedly mounted on the movable seat 483, the movable seat 42 is slidably arranged on the mounting seat 41, the first driving assembly 44 is transmission-connected with the movable seat 42, so as to drive the movable seat 42 to slide up and down, the second driving assembly 45 is fixedly arranged on the movable seat 42, and the second driving assembly 45 is transmission-connected with the latch 43, so as to drive the latch 43 to be inserted into or withdrawn from the tensioning hole of the steel strip;

[0040] The lower bending mechanism 5 includes a lower bending die 51 and a fourth driving assembly 52. ​​The steel strip is horizontally placed on the base 23. The fuel cell to be bundled is placed on the base 23 and pressed on the steel strip. Both sides of the base 23 are provided with plug holes 231 passing through it. The lower bending die 51 is arranged below the base 23. The fourth driving assembly 52 is connected to the lower bending die 51 in a transmission manner to drive the lower bending die 51 to move upward through the plug hole 231 to contact the steel strip and bend the steel strip.

[0041] An operation opening 221 is provided in the middle of the lifting platform 22 and passes through the lifting platform 22 . The welding device 3 is arranged above the lifting platform 22 , and the steel strip is welded through the operation opening 221 .

[0042] The fuel cell steel strip automatic tensioning and bundling welding equipment of the present invention places the battery to be bundled on the base 23, and the steel strip is bundled on the side and upper part of the fuel cell through the action of the upper bending mechanism 4 and the lower bending mechanism 5. The steel strip is pressed on the top of the fuel cell through the downward action of the lifting platform 22, and the steel strip joint is pressed and welded by the welding device 3, thereby integrating the two operation steps into a special equipment. The above work does not need to be completed manually for pressing and welding, thereby improving the quality rate of the product.

[0043] There are various mechanisms of the welding device 3. In this embodiment, the welding device 3 may include a displacement mechanism 31 and a welding mechanism 32. The displacement mechanism 31 is installed on the lifting platform 22, and the welding mechanism 32 is installed on the displacement mechanism 31. The displacement mechanism 31 drives the welding mechanism 32 to move.

[0044] The displacement mechanism 31 drives the welding mechanism 32 to move downward and horizontally, and other continuous actions can complete the pressing and welding work of the welding mechanism 32 on the steel strip joint, thereby integrating the two operation steps into a dedicated device. The above work does not need to be completed manually for pressing and welding, which improves the quality rate of the product.

[0045] The displacement mechanism 31 may be a three-dimensional numerical control workbench, and the welding mechanism 32 includes a welding laser head 321 , which is installed on the three-dimensional numerical control workbench to complete the process.

[0046] The lower bending mechanism 5 drives the lower bending die 51 to move upward through the fourth driving assembly 52, and the synchronous action completes the synchronous bending of multiple steel strips on the side of the battery. The lower bending mechanism 5 solves the installation convenience problem of the fuel cell steel strip during the bending process.

[0047] like Figure 2 As shown, there are multiple structures of the lower bending mold 51, which are not limited here. In the present embodiment, there are multiple structures of the lower bending mold 51, which are not limited here. In the present embodiment, the lower bending mold 51 includes a movable plate 511 and a plurality of bending plates 512. The plurality of bending plates 512 are vertically arranged on the movable plate 511 and arranged in two rows, respectively arranged on both sides of the movable plate 511. The top ends of the plurality of bending plates 512 are respectively and one by one inserted into the sockets 231 on the base 23. The fourth driving assembly 52 is drivingly connected to the movable plate 511 to drive the movable plate 511 to move up and down. The two rows of bending plates 512 respectively correspond to the bending portions of the steel belt located on both sides of the fuel cell. Each steel belt has two bending portions, corresponding to two bending plates 512.

[0048] There are various structures of the fourth driving component 52, which are not limited here. In the present embodiment, the fourth driving component 52 may include a motor 521 and a screw rod 522. A threaded hole 5111 is provided on the movable plate 511 and passes through the movable plate 511. One end of the screw rod 522 is transmission-connected to the driving end of the motor 521. The screw rod 522 is screwed in the threaded hole 5111. The motor 521 drives the screw rod 522 to rotate. Because the bending plate 512 is inserted into the socket 231, the movable plate 511 moves up and down along the screw rod 522.

[0049] In order to facilitate and accurately place the steel belt, two steel belt guide plates 53 are also provided on the base 23. The two steel belt guide plates 53 are respectively arranged on both sides of the base 23. The steel belt guide plates 53 are each provided with a plurality of guide grooves 531, and the steel belts are placed one by one on the guide grooves 531.

[0050] The steel belt guide plate 53 is provided with weight-reducing holes 532 between each guide groove 531 to reduce the weight of the mechanism.

[0051] like Figure 3 As shown, the upper bending mechanism 4 drives the pin 43 forward through the second driving component 45, so that the pin 43 is inserted into the tensioning hole on the steel belt. After the pin 43 is inserted into the tensioning hole, the second driving component 45 drives the movable seat 42 to move upward, so that the pin 43 is pulled upward as a whole, thereby forming a tensioning effect on the steel belt, which effectively solves the problem of steel belt tensioning and improves the assembly accuracy of the fuel cell, thereby improving the quality rate of the product; the structure is simple, the operation is convenient, the labor intensity is reduced, and the production efficiency is improved; the overall structure is clean and pollution-free, and the environment is effectively protected.

[0052] Among them, there are various structures of the first driving component 44, which are not limited here. In this embodiment, the first driving component 44 can include a first cylinder, and the driving end of the first cylinder is transmission-connected to the movable seat 42 to drive the movable seat 42 to move up and down.

[0053] The upper bending mechanism 4 may further include a guide block 49 , the latch 43 is disposed on the guide block 49 , the guide block 49 is transmission-connected to the second driving assembly 45 , and the guide block 49 may be slidably disposed on the movable seat 42 .

[0054] There are various structures of the second driving assembly 45, which are not limited here. In this embodiment, the second driving assembly 45 may include a second cylinder, and the driving end of the second cylinder is transmission-connected to the guide block 49 to drive the guide block 49 to move closer to or away from the steel belt.

[0055] The movable seat 42 may also be provided with a guide rail 421 , and the guide block 49 may be slidably disposed on the guide rail 421 , and the guide rail 421 plays a guiding and limiting role here.

[0056] The movable seat 42 has various shapes, which are not limited here. In this embodiment, the movable seat 42 can be The vertical plate of the movable seat 42 can be slidably arranged on the mounting seat 41, the second cylinder is fixedly arranged on the horizontal plate of the movable seat 42, the guide block 49 can be slidably arranged on the horizontal plate, and the first cylinder is transmission-connected with the horizontal plate of the movable seat 42.

[0057] The mounting seat 41 may have a variety of shapes, which are not limited here. In the present embodiment, the mounting seat 41 is ┘-shaped, and the vertical plate of the movable seat 42 is slidably arranged on the vertical plate of the mounting seat 41, and the first cylinder is installed on the horizontal plate of the mounting seat 41.

[0058] There are many ways in which the vertical plate of the movable seat 42 can be slidably arranged up and down on the vertical plate of the mounting seat 41. For example, a slide rail 481 can be vertically provided on the vertical plate of the mounting seat 41, and a slider 482 can be slidably provided on the slide rail 481, and the vertical plate of the movable seat 42 is fixed on the slider 482.

[0059] The pressing device 2 drives the lifting platform 22 to move downward through the driving mechanism 25, driving the pressing plate 24 to press the fuel cell.

[0060] Among them, there are various structures of the driving mechanism 25, which are not limited here. In this embodiment, the driving mechanism 25 may include multiple driving screw rods 251, multiple guide columns 252, a fixed platform 253 and a fifth driving component 254. The multiple guide columns 252 are vertically arranged on the support frame 21. The lifting platform 22 is provided with multiple guide holes 222. The lifting platform 22 is sleeved on the guide columns 252 through the guide holes 222 and can slide up and down along them. The fixed platform 253 is fixedly arranged on the top of the guide columns 252. The fifth driving component 254 is installed on the fixed platform 253. One end of the driving screw rod 251 is threadedly connected to the lifting platform 22, and the other end is transmission-connected to the fifth driving component 254. The fifth driving component 254 drives the driving screw rod 251 to rotate, and the guide column 252 limits the rotation of the lifting platform 22. The lifting platform 22 moves up and down along the guide column 252.

[0061] like Figure 4-6 As shown, the steel strip can be placed on the base manually or by automatic loading. Therefore, the equipment can also include an automatic loading device 6, which includes a steel strip unloading mechanism 61, a first punching mechanism 62, a steel strip cutting mechanism 63, a second punching mechanism 64, a loading platform 66, a transfer drive mechanism 651, a guide rail 652 and a transfer platform 653, wherein the steel strip unloading mechanism 61 includes a structural plate 611, a unloading motor 612, a unloading disk 613 and a guide pressing wheel 614, the structural plate 611 is vertically arranged, the unloading motor 612 is installed on the back of the structural plate 611, the power end of the unloading motor 612 passes through the structural plate 611 and extends to the front of the structural plate 611, the axis of the unloading disk 613 is installed on the power of the unloading motor 612, and the steel strip is wound on the unloading disk 613.

[0062] The guide rail 652 is installed on the top surface of the loading platform 66, the transfer platform 653 is slidably installed on the guide rail 652, the transfer drive mechanism 651 is installed on the loading platform 66 and the power end is connected to the transfer platform 653, the transfer drive mechanism can push the transfer platform 653 to slide along the guide rail 652, the steel strip unloading mechanism 61, the first punching mechanism 62, the steel strip cutting mechanism 63 and the second punching mechanism 64 are all installed on the top surface of the transfer platform 653, and the setting direction of the guide rail 652 is perpendicular to the extension direction of the steel strip guide groove 531;

[0063] The first punching mechanism 62 and the second punching mechanism 64 have punching positions, the steel strip cutting mechanism 63 has a cutting position, and the punching position of the first punching mechanism 62, the punching position of the second punching mechanism 64, and the cutting position of the steel strip cutting mechanism 63 are on the same horizontal line.

[0064] The structural plate 611 is also provided with a guide pressing wheel 614, which is located between the steel strip unloading mechanism 61 and the first punching mechanism 62, and the pressing surface of the guide pressing wheel 614 is flush with the punching position of the first punching mechanism 62. Since the steel strip is wound on the unwinding reel 613, the height of the steel strip output by the unwinding reel 613 changes after the unwinding reel 613 continuously unwinds the strip, so the guide pressing wheel 614 is used to adjust the height of the steel strip so that the height of the steel strip remains the same when it enters the first counter-punching mechanism.

[0065] The feeding mechanism also has an equipment transfer mechanism, which can drag the steel strip feeding mechanism 61, the first punching mechanism 62, the steel strip cutting mechanism 63 and the second punching mechanism 64 to move together, and can feed the steel strip to different workstations.

[0066] Preferably, the punching position of the first punching mechanism 62, the punching position of the second punching mechanism 64, and the cutting position of the steel strip cutting mechanism 63 are located in a horizontal direction and the projections of the extension direction of the guide rail 652 on the horizontal plane are perpendicular to each other. The effect is that after the steel strip is loaded at one workstation, the equipment transfer mechanism can be used to align the position where the steel strip is output by the loading mechanism with the next workstation that requires the steel strip.

[0067] There are four guide rails 652, and two guide rails 652 are respectively arranged on both sides of the transfer drive mechanism 651. As a preferred embodiment, the unwinding motor 612 is a stepping motor. The transfer drive mechanism 651 is a stepping electric cylinder.

[0068] Fuel cell steel strip automatic feeding mechanism, the operator places the steel strip coil on the steel strip unwinding mechanism 61 and locks it, the unwinding motor 612 drives the unwinding disk 613 to rotate to realize the steel strip unwinding, when the steel strip reaches position one, the first punching mechanism 62 is actuated, the punching die works, and process holes are formed, when the steel strip reaches position two, the second punching mechanism 64 is actuated, the punching die works, and process holes are formed, when the steel strip reaches position three, the steel strip cutting mechanism 63 is actuated, the punching die works, and the steel strip is cut, completing a single steel strip preparation and feeding action, the equipment transfer mechanism is actuated to transfer to the next steel strip feeding position, and the steel strip is prepared for feeding, and the steel strip is prepared and fed multiple times according to the number of steel strips required by the product to complete the steel strip feeding required by the product, and the number of feeding times here corresponds to the number of steel strip guide grooves 531.

[0069] For matters not mentioned above, the prior art applies.

[0070] Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art should understand that the above examples are for illustration only and are not intended to limit the scope of the present invention. Those skilled in the art to which the present invention belongs may make various modifications or supplements to the specific embodiments described or replace them in a similar manner, but they will not deviate from the direction of the present invention or exceed the scope defined by the attached claims. Those skilled in the art should understand that any modifications, equivalent substitutions, improvements, etc. made to the above embodiments based on the technical essence of the present invention should be included in the protection scope of the present invention.

Claims

1. A fuel cell steel strip automatic tensioning and binding welding device, characterized in that: It includes a steel strip bending device, a pressing device and a welding device, wherein the pressing device includes a support frame, a lifting platform, a base, a pressing plate and a driving mechanism; The base is arranged on the support frame, the fuel cell to be bundled is placed on the base, the lifting platform is arranged above the base, the pressing plate is fixedly arranged below the lifting platform, and the driving mechanism is connected to the lifting platform to drive the lifting platform to drive the pressing plate to move up and down; The steel strip bending device comprises an upper bending mechanism and a lower bending mechanism; The upper bending mechanism comprises a mounting seat, a movable seat, a latch, a first driving assembly, a second driving assembly, an upper bending mold, a third driving assembly and a moving assembly, wherein the moving assembly comprises a first slide rail, a slider and a moving seat, the slide rail is horizontally arranged on the lifting platform, the slider is arranged on the slide rail, the moving seat is arranged on the slider, the third driving assembly is arranged on the moving seat, the third driving assembly is transmission-connected with the upper bending mold, and the transmission connection is used to drive the upper bending mold to move toward the steel strip and bend the steel strip, the mounting seat is fixedly mounted on the moving seat, the movable seat can be slidably arranged on the mounting seat up and down, the first driving assembly is transmission-connected with the movable seat to drive the movable seat to slide up and down, the second driving assembly is fixedly arranged on the movable seat, and the second driving assembly is transmission-connected with the latch to drive the latch to insert or withdraw from the tensioning hole of the steel strip; The lower bending mechanism comprises a lower bending die and a fourth driving assembly, the steel strip is horizontally placed on the base, the fuel cell to be bundled is placed on the base and pressed on the steel strip, both sides of the base are provided with insertion holes passing through it, the lower bending die is arranged below the base, and the fourth driving assembly is transmission-connected with the lower bending die to drive the lower bending die to move upward through the insertion holes to contact the steel strip and bend the steel strip; An operating opening is provided in the middle of the lifting platform and passes through the lifting platform. The welding device is arranged above the lifting platform, and the steel strip is welded through the operating opening.

2. The fuel cell steel strip automatic tensioning and binding welding equipment according to claim 1, characterized in that: The welding device comprises a displacement mechanism and a welding mechanism. The displacement mechanism is installed on the lifting platform, and the welding mechanism is installed on the displacement mechanism. The displacement mechanism drives the welding mechanism to move.

3. The fuel cell steel strip automatic tensioning and binding welding equipment according to claim 2, characterized in that: The displacement mechanism is a three-dimensional numerical control workbench, and the welding mechanism includes a welding laser head, which is installed on the three-dimensional numerical control workbench.

4. The fuel cell steel strip automatic tensioning and binding welding equipment according to claim 1, characterized in that: The lower bending mold includes a movable plate and multiple bending plates. The multiple bending plates are vertically arranged on the movable plate and arranged in two rows, respectively arranged on both sides of the movable plate. The top ends of the multiple bending plates are respectively and one by one inserted into the sockets on the base. The fourth driving component is drivingly connected to the movable plate to drive the movable plate to move up and down.

5. The fuel cell steel strip automatic tensioning and binding welding equipment according to claim 4, characterized in that: The fourth driving assembly includes a motor and a screw rod. The movable plate is provided with a threaded hole passing through it. One end of the screw rod is transmission-connected to the driving end of the motor, and the screw rod is spirally inserted into the threaded hole.

6. The fuel cell steel strip automatic tensioning and binding welding device according to claim 5, characterized in that: The base is also provided with two steel belt guide plates, which are respectively arranged on both sides of the base. The steel belt guide plates are each provided with a plurality of guide grooves, and the steel belts are placed on the guide grooves one by one.

7. The fuel cell steel strip automatic tensioning and binding welding equipment according to claim 1, characterized in that: The first driving assembly includes a first cylinder, and the driving end of the first cylinder is transmission-connected to the movable seat to drive the movable seat to move up and down; the upper bending mechanism also includes a guide block, the pin is arranged on the guide block, and the guide block is transmission-connected to the second driving assembly; the second driving assembly includes a second cylinder, and the driving end of the second cylinder is transmission-connected to the guide block to drive the guide block to approach or move away from the steel belt.

8. The fuel cell steel strip automatic tensioning and binding welding device according to claim 7, characterized in that: The movable seat is also provided with a guide rail, and the guide block is slidably arranged on the guide rail.

9. A fuel cell steel strip automatic tensioning and binding welding device according to any one of claims 1 to 8, characterized in that: The driving mechanism includes multiple driving screws, multiple guide columns, a fixed platform and a fifth driving assembly. The multiple guide columns are vertically arranged on the support frame. The lifting platform is provided with multiple guide holes. The lifting platform is sleeved on the guide columns by the guide holes and can slide up and down along the guide columns. The fixed platform is fixedly arranged on the top of the guide columns. The fifth driving assembly is installed on the fixed platform. One end of the driving screw is fixedly connected to the lifting platform, and the other end is threadedly connected to the fifth driving assembly. The fifth driving assembly drives the driving screw to rotate.

10. The fuel cell steel strip automatic tensioning and binding welding device according to claim 6, characterized in that: The equipment also includes an automatic feeding device, which includes a steel strip unloading mechanism, a first punching mechanism, a steel strip cutting mechanism, a second punching mechanism, a feeding platform, a transfer driving mechanism, a guide rail and a transfer platform, wherein the steel strip unloading mechanism includes a structural plate, a unloading motor, a unloading reel and a guide pressing wheel, the structural plate is vertically arranged, the unloading motor is installed on the back of the structural plate, the power end of the unloading motor passes through the structural plate and extends to the front of the structural plate, the axis of the unloading reel is installed on the power of the unloading motor, and the steel strip is wound on the unloading reel; The guide rail is installed on the top surface of the loading platform, the transfer platform is slidably installed on the guide rail, the transfer drive mechanism is installed on the equipment base and the power end is connected to the transfer platform, the transfer drive mechanism can push the transfer platform to slide along the guide rail, the steel strip unloading mechanism, the first punching mechanism, the steel strip cutting mechanism and the second punching mechanism are all installed on the top surface of the transfer platform, and the setting direction of the guide rail is perpendicular to the extension direction of the steel strip guide groove; The first punching mechanism and the second punching mechanism have punching positions, the steel strip cutting mechanism has a cutting position, and the punching position of the first punching mechanism, the punching position of the second punching mechanism, and the cutting position of the steel strip cutting mechanism are on the same horizontal line.

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