CN216360187U

CN216360187U - Graphite bipolar plate rolling device

Info

Publication number: CN216360187U
Application number: CN202123131151.5U
Authority: CN
Inventors: 高荣光; 尤金金
Original assignee: Dongguan Hengxin Carbon Co ltd
Current assignee: Dongguan Hengxin Carbon Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-22
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a graphite bipolar plate rolling device, wherein a central conveying roller is rotatably connected between the middle sections of a first vertical plate and a second vertical plate, carrier rollers are rotatably connected between the left side and the right side of the central conveying roller between the first vertical plate and the second vertical plate, one side, far away from the central conveying roller, of the carrier roller between the first vertical plate and the second vertical plate is rotatably connected with an end conveying roller, synchronizing wheels are arranged at the front ends of the central conveying roller and the end conveying roller, a first motor is arranged at the left end of the back surface of the second vertical plate, a top plate is arranged above the first vertical plate and the second vertical plate, a U-shaped frame is arranged below the top plate, sliding grooves are formed in the inner surfaces of the front end surface and the rear end surface of the U-shaped frame, pressure sensors are arranged at the upper ends of the sliding grooves, sliding blocks are connected with the pressure sensors through springs, a pressing roller is arranged in the U-shaped frame and corresponds to the positions of the carrier rollers, a hydraulic cylinder is arranged on the upper end surface of the top plate, and a guide device is arranged between the upper sides of the left end and the right end of the first vertical plate and the right end of the second vertical plate. The utility model has the advantages that: the pressure is accurate and controllable, the yield is high, the graphite bipolar plate can be guided, and the quality of the finished product is high.

Description

Graphite bipolar plate rolling device

Technical Field

The utility model relates to the technical field of graphite bipolar plate production equipment, in particular to a graphite bipolar plate rolling device.

Background

The bipolar plate is one of the core components of the PEMFC, and mainly functions to transport gas through a flow field on the surface, collect and conduct current, heat and water generated by the reaction. The current bipolar plate is mainly divided into a graphite plate, a composite plate and a metal plate according to materials, the graphite bipolar plate is the most common bipolar plate of the current domestic PEMFC, and has good performances such as electrical conductivity, thermal conductivity, stability, corrosion resistance and the like, but relatively poor and brittle mechanical properties and difficult machining; meanwhile, the existing graphite bipolar plate rolling device is lack of a guide device, so that the graphite bipolar plate is easy to deviate in the rolling process, and the quality of a finished product is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a graphite bipolar plate rolling device which has the advantages of accurate and controllable pressure, high yield, capability of guiding a graphite bipolar plate and high finished product quality.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a graphite bipolar plate rolling device comprises a first vertical plate and a second vertical plate, wherein supporting legs are arranged at the left end and the right end of the lower end face of the first vertical plate and the second vertical plate, the left end and the right end of the first vertical plate and the right end of the second vertical plate are connected through connecting rods, a central conveying roller is rotatably connected between the middle sections of the first vertical plate and the second vertical plate, supporting rollers are rotatably connected at the left side and the right side of the central conveying roller between the first vertical plate and the second vertical plate, an end conveying roller is rotatably connected at one side of the supporting rollers between the first vertical plate and the second vertical plate, which is far away from the central conveying roller, the front ends of the central conveying roller and the end conveying roller are exposed out of the first vertical plate, synchronizing wheels are arranged at the front ends of the central conveying roller and the end conveying roller and are connected through synchronizing belts, a first motor is arranged at the left end of the back face of the second vertical plate, the output end of the first motor is connected with the end conveying roller, a top plate is arranged above the first vertical plate and the second vertical plate, the top plate is connected with the first vertical plate and the second vertical plate through the supporting rods, a U-shaped frame is arranged below the top plate, sliding grooves are formed in the inner surfaces of the front end face and the rear end face of the U-shaped frame, sliding blocks are connected in the sliding grooves, pressure sensors are arranged at the upper ends in the sliding grooves, the sliding blocks are connected with the pressure sensors through springs, compression rollers are arranged at positions corresponding to carrier roller positions in the U-shaped frame, the compression rollers are rotatably connected with the sliding blocks, a hydraulic cylinder is arranged on the upper end face of the top plate, a piston rod of the hydraulic cylinder is connected with the U-shaped frame, and guide devices are arranged between the upper sides of the left end and the right end of the first vertical plate and the upper sides of the right end of the second vertical plate.

Compared with the prior art, the utility model has the advantages that: according to the graphite bipolar plate rolling device, one motor rotates to drive the end conveying roller to rotate, the end conveying roller drives the synchronous wheel to rotate, the synchronous belt drives the center conveying roller to rotate, and the end conveying roller and the center conveying roller convey the graphite bipolar plate; a piston rod of the hydraulic cylinder extends out to drive the U-shaped frame to move downwards, the U-shaped frame drives the press roller to move downwards, and the press roller and the carrier roller are matched to roll and shape the graphite bipolar plate; in the process of rolling and shaping, the press roller is stressed to drive the slide block to move upwards, the slide block compresses the spring, the spring transmits force to the pressure sensor, the pressure sensor detects pressure change, the hydraulic cylinder is timely and accurately controlled, and the yield of the graphite bipolar plate is ensured.

As the improvement, guider includes guide slot and deflector roll, both ends are connected with riser one and riser two respectively around the guide slot, the guide slot opening is down, the guide slot internal rotation is connected with threaded rod one and threaded rod two, threaded rod one and the relative one end of threaded rod two are equipped with gear one, threaded rod one and threaded rod two go up respectively threaded connection have movable block one and movable block two, movable block one and movable block two all with guide slot sliding connection, the terminal surface all rotates under movable block one and the movable block two and is connected with the deflector roll, the guide slot up end is equipped with motor two, be equipped with gear two on motor two's the output, gear two and the meshing of gear one. The second motor rotates, the first threaded rod and the second threaded rod are driven to rotate through the meshing of the second gear and the first gear, the first threaded rod and the second threaded rod drive the first movable block and the second movable block to move, the first movable block and the second movable block drive the guide roller to move, the guide roller is attached to two sides of the graphite bipolar plate, the guide roller guides the feeding direction of the graphite bipolar plate, the deviation in the rolling process is avoided, and the quality of finished products is improved.

As an improvement, four corners of the upper end face of the top plate are connected with guide rods in a sliding mode, and the lower ends of the guide rods are connected with a U-shaped frame. The guide rod guides the movement direction of the U-shaped frame.

As an improvement, a limiting rod is arranged in the sliding groove, the sliding block is connected with the limiting rod in a sliding mode, and the spring is sleeved on the limiting rod. The limiting rod guides the extension direction of the spring.

Drawings

Fig. 1 is a sectional view of a rolling device for a graphite bipolar plate according to the present invention.

Fig. 2 is a top view of a first vertical plate and a second vertical plate of the rolling device for the graphite bipolar plate of the present invention.

Fig. 3 is a cross-sectional view of a U-shaped frame of a rolling device for a graphite bipolar plate according to the present invention.

Fig. 4 is a schematic view of the internal structure of the guide groove of the rolling device for graphite bipolar plates according to the present invention.

Reference numerals: 1. a first vertical plate; 2. a second vertical plate; 3. supporting legs; 4. a connecting rod; 5. a central transfer roller; 6. a carrier roller; 7. An end transfer roller; 8. a synchronizing wheel; 9. a synchronous belt; 10. a first motor; 11. a top plate; 12. a support bar; 13. a U-shaped frame; 14. A chute; 15. a slider; 16. a pressure sensor; 17. a spring; 18. a compression roller; 19. a hydraulic cylinder; 20. a guide groove; 21. a guide roller; 22. a first threaded rod; 23. a second threaded rod; 24. a first gear; 25. a first movable block; 26. a second movable block; 27. a second motor; 28. a second gear; 29. a guide bar; 30. a limiting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine attached drawing 1 and attached drawing 2, both ends are connected through connecting rod 4 about riser one 1 and riser two 2, it is connected with central transfer roller 5 to rotate between riser one 1 and the two 2 middle sections of riser, the 5 left and right sides of central transfer roller rotate between riser one 1 and riser two 2 and are connected with bearing roller 6, the one side rotation that central transfer roller 5 was kept away from to bearing roller 6 between riser one 1 and the riser two 2 is connected with tip transfer roller 7, central transfer roller 5 exposes riser one 1 with 7 front ends of tip transfer roller, central transfer roller 5 all is equipped with synchronizing wheel 8 with 7 front ends of tip transfer roller, synchronizing wheel 8 passes through hold-in range 9 and connects, 2 back left ends of riser are equipped with motor one 10, the output of motor one 10 is connected with tip transfer roller 7. The first motor 10 rotates to drive the end conveying roller 7 to rotate, the end conveying roller 7 drives the synchronous wheel 8 to rotate, the synchronous belt 9 drives the center conveying roller 5 to rotate, and the end conveying roller 7 and the center conveying roller 5 convey the graphite bipolar plate.

With reference to fig. 1 and 3, a top plate 11 is arranged above the first vertical plate 1 and the second vertical plate 2, the top plate 11 is connected with the first vertical plate 1 and the second vertical plate 2 through a support rod 12, a U-shaped frame 13 is arranged below the top plate 11, sliding grooves 14 are formed in the inner surfaces of the front end surface and the rear end surface of the U-shaped frame 13, sliding blocks 15 are connected in the sliding grooves 14 in a sliding mode, pressure sensors 16 are arranged at the upper ends in the sliding grooves 14, the sliding blocks 15 are connected with the pressure sensors 16 through springs 17, pressing rollers 18 are arranged in the U-shaped frame 13 and correspond to the carrier rollers 6, the pressing rollers 18 are rotatably connected with the sliding blocks 15, hydraulic cylinders 19 are arranged on the upper end surfaces of the top plate 11, and piston rods of the hydraulic cylinders 19 are connected with the U-shaped frame 13. And a piston rod of the hydraulic cylinder extends out to drive the U-shaped frame 13 to move downwards, the U-shaped frame 13 drives the compression roller 18 to move downwards, and the compression roller 18 is matched with the carrier roller 6 to roll and shape the graphite bipolar plate. In the process of rolling and shaping, the press roll 18 is stressed to drive the slide block 15 to move upwards, the slide block 15 compresses the spring 17, the spring 17 transmits the force to the pressure sensor 16, the pressure sensor 16 detects the pressure change, the hydraulic cylinder 19 is accurately controlled in time, and the yield of the graphite bipolar plate is ensured.

Combine fig. 2 and fig. 4, guider includes guide slot 20 and deflector roll 21, both ends are connected with riser one 1 and riser two 2 respectively around the guide slot 20, the opening of guide slot 20 is downwards, 20 internal rotations of guide slot are connected with threaded rod one 22 and threaded rod two 23, the one end that threaded rod one 22 and threaded rod two 23 are relative is equipped with gear one 24, threaded rod one 22 and threaded rod two 23 go up respectively threaded connection have movable block one 25 and movable block two 26, movable block one 25 and movable block two 26 all with guide slot 20 sliding connection, the terminal surface all rotates under movable block one 25 and the movable block two 26 and is connected with deflector roll 21, the guide slot 20 up end is equipped with motor two 27, be equipped with gear two 28 on the output of motor two 27, gear two 28 meshes with gear one 24. The second motor 27 rotates, the first threaded rod 22 and the second threaded rod 23 are driven to rotate through the meshing of the second gear 28 and the first gear 24, the first threaded rod 22 and the second threaded rod 23 drive the first movable block 25 and the second movable block 26 to move, the first movable block 25 and the second movable block 26 drive the guide roller 21 to move, the guide roller 21 is attached to two sides of the graphite bipolar plate, the guide roller 21 guides the feeding direction of the graphite bipolar plate, the deviation in the rolling process is avoided, and the quality of a finished product is improved.

The present invention and its embodiments have been described, without limitation, and the embodiments shown in the drawings are only one embodiment of the present invention, and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a graphite bipolar plate roll-in device, includes riser one (1) and riser two (2), both ends all are equipped with supporting leg (3), its characterized in that about riser one (1) and riser two (2) lower terminal surface: the automatic conveying device is characterized in that the left end and the right end of a first vertical plate (1) and a second vertical plate (2) are connected through a connecting rod (4), a central conveying roller (5) is rotatably connected between the middle sections of the first vertical plate (1) and the second vertical plate (2), carrier rollers (6) are rotatably connected on the left side and the right side of the central conveying roller (5) between the first vertical plate (1) and the second vertical plate (2), one side, far away from the central conveying roller (5), of the carrier rollers (6) between the first vertical plate (1) and the second vertical plate (2) is rotatably connected with an end conveying roller (7), the front ends of the central conveying roller (5) and the end conveying roller (7) are exposed out of the first vertical plate (1), synchronizing wheels (8) are arranged at the front ends of the central conveying roller (5) and the end conveying roller (7), the synchronizing wheels (8) are connected through a synchronizing belt (9), a first motor (10) is arranged at the left end of the back of the second vertical plate (2), the output end of the first motor (10) is connected with the end conveying roller (7), a top plate (11) is arranged above the first vertical plate (1) and the second vertical plate (2), the top plate (11) is connected with the first vertical plate (1) and the second vertical plate (2) through a support rod (12), a U-shaped frame (13) is arranged below the top plate (11), sliding grooves (14) are arranged on the inner surfaces of the front end surface and the rear end surface of the U-shaped frame (13), a slide block (15) is connected in the chute (14) in a sliding way, a pressure sensor (16) is arranged at the upper end in the chute (14), the slide block (15) is connected with a pressure sensor (16) through a spring (17), a press roller (18) is arranged in the U-shaped frame (13) corresponding to the position of the carrier roller (6), the compression roller (18) is rotationally connected with the sliding block (15), a hydraulic cylinder (19) is arranged on the upper end surface of the top plate (11), and a piston rod of the hydraulic cylinder (19) is connected with the U-shaped frame (13), and a guide device is arranged between the upper sides of the left end and the right end of the first vertical plate (1) and the second vertical plate (2).

2. A graphite bipolar plate rolling device as claimed in claim 1, wherein: the guide device comprises a guide groove (20) and guide rollers (21), the front end and the rear end of the guide groove (20) are respectively connected with a first vertical plate (1) and a second vertical plate (2), the opening of the guide groove (20) is downward, a first threaded rod (22) and a second threaded rod (23) are rotationally connected in the guide groove (20), one end, opposite to the first threaded rod (22) and the second threaded rod (23), of a first gear (24) is arranged, the first threaded rod (22) and the second threaded rod (23) are respectively in threaded connection with a first movable block (25) and a second movable block (26), the first movable block (25) and the second movable block (26) are both in sliding connection with the guide groove (20), the lower end faces of the first movable block (25) and the second movable block (26) are both rotationally connected with the guide rollers (21), the upper end face of the guide groove (20) is provided with a second motor (27), and the output end of the second motor (27) is provided with a second gear (28), the second gear (28) is meshed with the first gear (24).

3. A graphite bipolar plate rolling device as claimed in claim 1, wherein: the four corners of the upper end face of the top plate (11) are connected with guide rods (29) in a sliding mode, and the lower ends of the guide rods (29) are connected with a U-shaped frame (13).

4. A graphite bipolar plate rolling device as claimed in claim 1, wherein: be equipped with gag lever post (30) in spout (14), slider (15) and gag lever post (30) sliding connection, spring (17) cover is established on gag lever post (30).