CN222680735U

CN222680735U - Positioning fixture for bipolar plate machining

Info

Publication number: CN222680735U
Application number: CN202421485101.8U
Authority: CN
Inventors: 王广; 刘浩; 闫巍; 余智勇; 张士勇
Original assignee: Jiangsu Hydrogen Qi Technology Co ltd
Current assignee: Jiangsu Hydrogen Qi Technology Co ltd
Priority date: 2024-06-27
Filing date: 2024-06-27
Publication date: 2025-03-28
Anticipated expiration: 2034-06-27

Abstract

The utility model discloses a positioning tool clamp for machining bipolar plates, which belongs to the field of machining and positioning of bipolar plates and comprises a transmission mechanism and a clamping assembly, wherein the transmission mechanism comprises two support plates, two mounting holes are formed in the surfaces of the two support plates, guide rods are inserted into the two mounting holes, a forward and reverse motor is arranged between the two support plates, the output end of the forward and reverse motor is connected with a first bevel gear, the upper end of the first bevel gear is in meshed connection with a second bevel gear, and the upper end of the second bevel gear is fixedly connected with the transmission gear.

Description

Positioning fixture for bipolar plate machining

Technical Field

The utility model relates to the field of machining and positioning of bipolar plates, in particular to a positioning fixture for machining of bipolar plates.

Background

The bipolar plate is a tool for electrolytic hydrogen production, the bipolar plate can be divided into a graphite bipolar plate and a metal bipolar plate, the graphite bipolar plate is good in electrical conductivity, thermal conductivity, stability, corrosion resistance and the like, when the bipolar plate is processed, in order to improve processing convenience, positioning operation is needed to be performed on the bipolar plate, and therefore a used positioning fixture is needed, wherein the fixture disclosed by application number CN202320083268.0 is a technology which is mature increasingly, the fuel bipolar plate is placed on a cushion pad, the fuel bipolar plate is clamped after the two L-shaped clamping blocks are driven by the linear guide rail to relatively move by the linear guide rail in combination with the movable guide block, the fuel bipolar plate is clamped after the two L-shaped clamping blocks are driven by the second hydraulic cylinder to relatively descend, clamping stability of the fuel bipolar plate is improved, displacement is avoided in the processing process, and the fixture also has the defect that the fixture can clamp the bipolar plate through the arranged cushion pad in combination with the linear guide rail, the movable block, the L-shaped clamping and the like, but the bipolar plate is not needed to be carried by the fixture, and the bipolar plate is not needed to be carried by the fixture because the fixture is easy to carry, and the bipolar plate is not required to be carried by the fixture.

Disclosure of utility model

The embodiment of the utility model provides a positioning fixture for machining a bipolar plate, which aims to solve the problems that the existing fixture can only clamp a bipolar plate with a single size and is inconvenient to disassemble, assemble and carry

In order to achieve the above purpose, the utility model provides a positioning fixture for machining a bipolar plate, which comprises a transmission mechanism and a clamping assembly;

the transmission mechanism comprises two support plates, two mounting holes are formed in the surfaces of the two support plates, guide rods are inserted into the two mounting holes, a positive and negative motor is arranged between the two support plates, the output end of the positive and negative motor is connected with a first bevel gear, the upper end of the first bevel gear is connected with a second bevel gear in a meshed manner, and the upper end of the second bevel gear is fixedly connected with a transmission gear;

The clamping assembly comprises two symmetrically installed moving plates, a plurality of racks are connected to opposite faces of the moving plates, the moving plates are connected through the racks and a transmission gear in a meshed mode, one ends of the moving plates, which are far away from each other, of the moving plates are fixedly connected with vertical plates, connecting holes are formed in the upper ends of the vertical plates, connecting pipes are inserted into the connecting holes, screw holes are formed in the two ends of the connecting pipes, screw rods are connected with internal threads of the screw holes, and clamping blocks are detachably connected to one ends of the screw rods.

As a preferable scheme of the utility model, two ends of the support plate are provided with the plug holes, the plug rods are plugged in the plug holes, and the lower ends of the plug rods are fixedly connected with the suckers.

As a preferable scheme of the utility model, guide blocks are fixedly connected to the lower surfaces of the two ends of the moving plate, guide holes are formed in the surfaces of the guide blocks, and the guide rods are inserted into the guide holes.

As a preferable scheme of the utility model, the upper end of the vertical plate is fixedly connected with a screw tube, the screw tube is communicated with the connecting hole, and the screw tube is internally connected with a bolt in a threaded manner.

As a preferable scheme of the utility model, one end of the screw rod is fixedly connected with a hexagonal block, the back surface of the clamping block is fixedly connected with a mounting block, the surface of the mounting block is provided with a hexagonal hole, and the hexagonal block is inserted into the hexagonal hole.

As a preferred embodiment of the present utility model, the suction cup is made of rubber.

As a preferable scheme of the utility model, the support plate, the guide rod, the moving plate, the vertical plate, the connecting pipe and the screw rod are all made of aluminum alloy, and the moving plate and the vertical plate are of hollow structures.

Compared with the prior art, the utility model has the beneficial effects that:

1. when bipolar plates with different sizes are clamped, the bipolar plates are firstly placed between two connecting pipes, at the moment, a positive and negative motor is started to drive a first bevel gear to rotate clockwise, a second bevel gear is matched to drive out to rotate clockwise, two racks are matched to control the two moving plates to move along a guide rod to be close to each other, the two moving plates are mutually close to each other along with the connecting pipes at the upper ends of the vertical plates and the two clamping blocks at the two ends of the connecting pipes, so that the clamping blocks can clamp the bipolar plates with different sizes from the two ends, when the bipolar plates are wider, the distance between the clamping blocks at one end of the two screw rods can be adjusted by screwing the screw rods to clamp the bipolar plates with different widths stably, and compared with the clamping function of the tooling clamp for processing the bipolar plates with graphite fuel in the prior art, the tooling clamp with different sizes can clamp the bipolar plates with different sizes only through the mutual matching of the results, and therefore the universality of the tooling clamp can be enhanced;

2. when the fixture is installed, the guide block is sleeved on the side surface of the guide rod, the guide rod is inserted into the installation hole, the connecting pipe is inserted into the connection hole, the screw rod is connected with the screw threads in the screw hole, and finally the hexagonal block is inserted into the hexagonal hole, so that the fixture can be installed, when the fixture is detached, the screw rod is taken out of the screw hole, the connecting pipe is pulled out of the connection hole, and the guide rod is simultaneously pulled out of the installation hole, so that the fixture can be detached, in addition, the fixture made of aluminum alloy material is matched with the moving plate and the vertical plate with the hollow result, so that dead weight can be reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a disassembled view of the structure of the support plate and the guide rod of the present utility model;

FIG. 3 is a schematic diagram of a transmission mechanism according to the present utility model;

FIG. 4 is a disassembled view of the moving plate structure of the present utility model;

Fig. 5 is a disassembled view of the clamping assembly structure of the present utility model.

100 Parts of a transmission mechanism, 101 parts of a support plate, 102 parts of a mounting hole, 103 parts of a guide rod, 104 parts of a positive and negative motor, 105 parts of a first bevel gear, 106 parts of a second bevel gear, 107 parts of a transmission gear, 111 parts of a plug hole, 112 parts of a plug rod, 113 parts of a sucker;

200. Clamping assembly, 201, moving plate, 202, rack, 203, vertical plate, 204, connecting hole, 205, connecting pipe, 206, screw hole, 207, screw rod, 208, clamping block, 211, guide block, 212, guide hole, 221, screw pipe, 222, bolt, 231, hexagonal block, 232, mounting block, 233, hexagonal hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a positioning fixture for machining a bipolar plate, which includes a transmission mechanism 100 and a clamping assembly 200;

The transmission mechanism 100 comprises two support plates 101, two mounting holes 102 are formed in the surfaces of the two support plates 101, guide rods 103 are inserted into the two mounting holes 102, a forward and reverse motor 104 is installed between the two support plates 101, the output end of the forward and reverse motor 104 is connected with a first bevel gear 105, the upper end of the first bevel gear 105 is connected with a second bevel gear 106 in a meshed manner, and the upper end of the second bevel gear 106 is fixedly connected with a transmission gear 107;

The clamping assembly 200 comprises two symmetrically installed movable plates 201, a plurality of racks 202 are connected to opposite faces of the two movable plates 201, the two movable plates 201 are connected with a transmission gear 107 in a meshed mode through the racks 202, one ends, away from each other, of the two movable plates 201 are fixedly connected with a vertical plate 203, connecting holes 204 are formed in the upper ends of the vertical plates 203, connecting pipes 205 are inserted into the connecting holes 204, screw holes 206 are formed in two ends of the connecting pipes 205, screw rods 207 are connected with internal threads of the screw holes 206, and clamping blocks 208 are detachably connected to one ends of the screw rods 207.

In a specific embodiment, the transmission mechanism 100 that sets up cooperates the clamping assembly 200 not only can carry out the centre gripping to not unidimensional bipolar plate, thereby reinforcing frock clamp's commonality, simultaneously still be convenient for carry frock clamp's quick assembly disassembly through above-mentioned result mutually supporting, and then can improve frock clamp's use convenience, when using, at first place bipolar plate between two connecting pipes 205, follow the width control lead screw 207 of bipolar plate and roll out along screw 206, distance between two clamp pieces 208 is controlled so as to agree with bipolar plate, then start positive and negative motor 104 and carry out clockwise rotation with first bevel gear 105, cooperate second bevel gear 106 to carry out rotation with drive gear 107, control two movable plates 201 and carry connecting pipe 205 of riser 203 upper end mutually approaching to along guide arm 103 under rack 202's cooperation, along with connecting pipe 205 bring lead screw 207 mutually approaching to each other, cooperate clamp piece 208 can carry out stable centre gripping to bipolar plate, and then can strengthen frock clamp's commonality, when dismantling frock clamp's width control lead screw 207 along screw 206, at first take out lead screw 207 from inside guide arm 103, then take out from guide arm 103, take out from inside the guide arm 103, can carry out the connecting pipe 102, and then carry out convenient to carry out the frock clamp from inside the guide arm 102, can carry out convenient for carrying along with connecting pipe 101.

Referring to fig. 2 and 3, two ends of the support plate 101 are provided with insertion holes 111, insertion rods 112 are inserted into the insertion holes 111, and suction cups 113 are fixedly connected to the lower ends of the insertion rods 112.

In a specific embodiment, the plugging rod 112 is plugged in the plugging hole 111 to install the sucker 113 and the support plate 101, the sucker 113 can improve the stability of the support plate 101 and the ground contact, and the use safety of the tool clamp is improved.

Referring to fig. 2 and 3, guide blocks 211 are fixedly connected to the lower surfaces of both ends of the moving plate 201, guide holes 212 are formed in the surfaces of the guide blocks 211, and the guide rods 103 are inserted into the guide holes 212.

In a specific embodiment, the guide rod 103 is inserted into the guide hole 212, so that stability can be improved when the moving plate 201 moves along the guide rod 103, and further, clamping stability of the bipolar plate can be improved.

Referring to fig. 4 and 5, a screw 221 is fixedly connected to the upper end of the riser 203, the screw 221 is communicated with the connection hole 204, and a bolt 222 is screwed into the screw 221.

In a specific embodiment, the bolt 222 is screwed inside the screw 221 and descends, so that the connection pipe 205 can be tightly supported, so that the connection pipe 205 can be quickly installed and fixed.

Referring to fig. 4 and 5, one end of the screw rod 207 is fixedly connected with a hexagonal block 231, the back of the clamping block 208 is fixedly connected with a mounting block 232, a hexagonal hole 233 is formed in the surface of the mounting block 232, and the hexagonal block 231 is inserted into the hexagonal hole 233.

In a specific embodiment, the hexagonal block 231 is inserted into the hexagonal hole 233, so that the mounting block 232 and the clamping block 208 can be conveniently and quickly disassembled, and convenience in disassembling and replacing the clamping block 208 is improved.

Referring to fig. 2 and 3, the suction cup 113 is made of rubber.

In a specific embodiment, the sucking disc 113 made of rubber can enhance the friction force with the ground, and further improve the installation stability of the support plate 101.

Referring to fig. 2-5, the support plate 101, the guide rod 103, the moving plate 201, the vertical plate 203, the connecting pipe 205 and the screw rod 207 are all made of aluminum alloy, and the moving plate 201 and the vertical plate 203 are hollow structures.

In a specific embodiment, the supporting plate 101, the guide rod 103, the moving plate 201, the vertical plate 203, the connecting pipe 205 and the screw rod 207 made of aluminum alloy are matched with the hollow structure, so that the overall strength of each part can be enhanced, the dead weight can be lightened, and the carrying convenience of the tool clamp can be improved.

When the bipolar plate is used, firstly, the bipolar plate is placed between two connecting pipes 205, then, the screw rod 207 is controlled to rotate along the screw holes 206 according to the width of the bipolar plate, so that the distance between two clamping blocks 208 can be controlled, then, the forward and reverse motor 104 is started to rotate clockwise along with the first bevel gear 105, the second bevel gear 106 is matched with the second bevel gear 106 to rotate along with the transmission gear 107, the two moving plates 201 can be controlled to move along the guide rod 103 and mutually approach the connecting pipes 205 at the upper ends of the vertical plates 203, and the bipolar plate can be stably clamped along with the connecting pipes 205 mutually approach the matched clamping blocks 208 along with the screw rod 207, so that the universality of the tool clamp can be enhanced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Positioning fixture for bipolar plate processing, characterized by comprising:

The transmission mechanism (100), the transmission mechanism (100) comprises two support plates (101), two mounting holes (102) are formed in the surfaces of the two support plates (101), guide rods (103) are inserted into the two mounting holes (102), a positive and negative motor (104) is installed between the two support plates (101), the output end of the positive and negative motor (104) is connected with a first bevel gear (105), the upper end of the first bevel gear (105) is connected with a second bevel gear (106) in a meshed mode, and the upper end of the second bevel gear (106) is fixedly connected with a transmission gear (107);

Clamping assembly (200), clamping assembly (200) are including two symmetries installation movable plate (201), two the opposite face of movable plate (201) all is connected with a plurality of rack (202), two movable plate (201) are connected through rack (202) and drive gear (107) meshing, two one end fixedly connected with riser (203) that movable plate (201) kept away from each other, connecting hole (204) have been seted up to the upper end of riser (203), connecting pipe (205) have been pegged graft to the inside of connecting hole (204), screw (206) have all been seted up at the both ends of connecting pipe (205), the inside threaded connection of screw (206) has lead screw (207), the clamp splice (208) can be dismantled to one end of lead screw (207).

2. The positioning fixture for machining the bipolar plate according to claim 1, wherein the two ends of the support plate (101) are provided with inserting holes (111), inserting rods (112) are inserted into the inserting holes (111), and suction discs (113) are fixedly connected to the lower ends of the inserting rods (112).

3. The positioning fixture for machining the bipolar plate according to claim 1, wherein guide blocks (211) are fixedly connected to the lower surfaces of two ends of the moving plate (201), guide holes (212) are formed in the surfaces of the guide blocks (211), and the guide rods (103) are inserted into the guide holes (212).

4. The positioning fixture for machining the bipolar plate according to claim 1, wherein a screw pipe (221) is fixedly connected to the upper end of the vertical plate (203), the screw pipe (221) is communicated with the connecting hole (204), and a bolt (222) is connected to the screw pipe (221) through internal threads.

5. The positioning fixture for machining the bipolar plate of claim 1, wherein one end of the screw rod (207) is fixedly connected with a hexagonal block (231), the back surface of the clamping block (208) is fixedly connected with a mounting block (232), a hexagonal hole (233) is formed in the surface of the mounting block (232), and the hexagonal block (231) is inserted into the hexagonal hole (233).

6. The positioning fixture for machining bipolar plates according to claim 2, wherein the sucking disc (113) is made of rubber.

7. The positioning fixture for machining the bipolar plate, as claimed in claim 1, is characterized in that the support plate (101), the guide rod (103), the moving plate (201), the vertical plate (203), the connecting pipe (205) and the screw rod (207) are all made of aluminum alloy, and the moving plate (201) and the vertical plate (203) are of hollow structures.