Positioning tool clamp for bipolar plate machining

Abstract

The utility model discloses a positioning work fixture for bipolar plate processing, which belongs to the field of bipolar plate processing and positioning and comprises a transmission mechanism and a clamping component, the transmission mechanism comprises two support plates, two mounting holes are arranged on the surfaces of the two support plates, guide rods are inserted into the two mounting holes, a forward and reverse motor is mounted between the two support plates, and the clamping component is mounted on the forward and reverse motor. The clamping assembly is provided with a forward and reverse motor, 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 a transmission gear. And meanwhile, through mutual cooperation of the above results, the tool clamp can be rapidly disassembled, assembled and carried conveniently, and then the use convenience of the tool clamp can be improved.

Description

Technical Field

[0001] The utility model relates to the field of bipolar plate processing and positioning, in particular to a positioning tool fixture for bipolar plate processing. Background Art

[0002] Bipolar plates are tools used for hydrogen production by electrolysis. Bipolar plates can be divided into graphite bipolar plates and metal bipolar plates. Graphite bipolar plates have good electrical conductivity, thermal conductivity, stability and corrosion resistance. When processing bipolar plates, in order to improve the convenience of processing, they need to be positioned, so a positioning fixture is needed. Among them, the "a tooling fixture for processing graphite fuel bipolar plates" disclosed in the application number "CN202320083268.0" is also an increasingly mature technology. It "places the fuel bipolar plate on a buffer pad, and the linear guide cooperates with the movable guide block to drive the two L-shaped clamping blocks to move relative to each other to clamp the fuel bipolar plate, and the second hydraulic cylinder cooperates with the linear guide to drive the two L-shaped clamping blocks to descend Position the fuel bipolar plate, improve the clamping stability of the fuel bipolar plate, and avoid displacement during processing. However, the tooling fixture has the following defects during use: the tooling fixture can clamp the bipolar plate by setting the buffer pad in conjunction with the linear guide, the movable block and the L-shaped clamp, but the above structure is relatively simple, so it can only clamp the bipolar plate of a single size, which has limitations in use. Based on this, it is necessary to provide a fixture that can position and clamp bipolar plates of different sizes and enhance versatility. In addition, the fixture is inconvenient to disassemble and carry for use. Based on this, it is necessary to provide a tooling fixture that is easy to disassemble and carry quickly and improves the convenience of use. Utility Model Content

[0003] The embodiment of the utility model provides a positioning fixture for bipolar plate processing, which aims to solve the problem that the existing fixture can only clamp bipolar plates of a single size and is not convenient for disassembly and carrying.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a positioning fixture for bipolar plate processing, including a transmission mechanism and a clamping assembly;

[0005] Wherein, the transmission mechanism comprises two support plates, the surfaces of the two support plates are provided with two mounting holes, the insides of the two mounting holes are plugged with guide rods, a forward and reverse motor is installed 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 meshedly connected with a second bevel gear, and the upper end of the second bevel gear is fixedly connected with a transmission gear;

[0006] The clamping assembly includes two symmetrically installed moving plates, and the opposite surfaces of the two moving plates are connected to a plurality of racks. The two moving plates are meshed and connected by the racks and transmission gears. The ends of the two moving plates away from each other are fixedly connected to vertical plates, and the upper ends of the vertical plates are provided with connecting holes, and connecting pipes are inserted into the connecting holes. Screw holes are provided at both ends of the connecting pipes, and the internal threads of the screw holes are connected to screw rods, and one end of the screw rod is detachably connected to a clamping block.

[0007] As a preferred solution of the utility model, both ends of the support plate are provided with plug holes, plug rods are plugged into the plug holes, and a suction cup is fixedly connected to the lower end of the plug rod.

[0008] As a preferred solution of the utility model, guide blocks are fixedly connected to the lower surfaces of both ends of the movable plate, guide holes are opened on the surfaces of the guide blocks, and the guide rods are inserted into the guide holes.

[0009] As a preferred solution of the utility model, a spiral tube is fixedly connected to the upper end of the vertical plate, the spiral tube is communicated with the connecting hole, and the internal thread of the spiral tube is connected with a bolt.

[0010] As a preferred solution of the utility model, one end of the screw rod is fixedly connected to a hexagonal block, the back of the clamping block is fixedly connected to a mounting block, a surface of the mounting block is provided with a hexagonal hole, and the hexagonal block is inserted into the inside of the hexagonal hole.

[0011] As a preferred solution of the utility model, the suction cup is made of rubber.

[0012] As a preferred solution of the utility model, the support plate, guide rod, movable plate, vertical plate, connecting pipe and screw rod are all made of aluminum alloy, and the movable plate and vertical plate are both hollow structures.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When clamping bipolar plates of different sizes, first place the bipolar plate between the two connecting tubes, then start the forward and reverse motor to drive the first bevel gear to rotate clockwise, cooperate with the second bevel gear to drive the transmission to rotate clockwise, cooperate with the two racks to control the two moving plates to move along the guide rod to approach each other, and as the two moving plates approach each other, the vertical plate and the connecting tube at the upper end thereof and the two clamping blocks at the two ends of the connecting tube can be brought closer to each other, so that the clamping blocks can position and clamp bipolar plates of different sizes from both ends. When the bipolar plate is wider, the distance between the clamping blocks at one end of the two screws can be adjusted by twisting the screw rod and withdrawing it along the screw hole, so as to stably clamp bipolar plates of different widths. Compared with the prior art "a tooling fixture for processing graphite fuel bipolar plates" which can only clamp bipolar plates of a single size, the utility model can clamp bipolar plates of different sizes through the above results in cooperation with each other, thereby enhancing the versatility of the tooling fixture;

[0015] 2. When installing the jig, first sleeve the guide block on the side surface of the guide rod, then insert the guide rod into the installation hole, insert the connecting pipe into the connecting hole, and thread the screw rod into the screw hole, and finally insert the hexagonal block into the hexagonal hole. Therefore, the jig can be installed. When disassembling, only the screw rod needs to be taken out of the screw hole, the connecting pipe needs to be pulled out of the connecting hole, and the guide rod needs to be taken out of the installation hole. Therefore, the jig can be disassembled. In addition, the jig made of aluminum alloy can reduce its own weight in combination with the movable plate and the vertical plate with hollow results. Compared with the fixture structure in the prior art "a jig for processing graphite fuel bipolar plates", the utility model can facilitate the quick disassembly, assembly and carrying of the jig through the cooperation of the above results, thereby improving the convenience of using the jig. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a disassembly diagram of the support plate and guide rod structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the transmission mechanism structure of the utility model;

[0019] Figure 4 This is a disassembly diagram of the movable plate structure of the utility model;

[0020] Figure 5 This is a disassembled diagram of the clamping assembly structure of the utility model.

[0021] In the figure: 100, transmission mechanism; 101, support plate; 102, mounting hole; 103, guide rod; 104, forward and reverse motor; 105, first bevel gear; 106, second bevel gear; 107, transmission gear; 111, plug hole; 112, plug rod; 113, suction cup;

[0022] 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 tube; 222, bolt; 231, hexagonal block; 232, mounting block; 233, hexagonal hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 - Figure 5 The utility model provides a positioning fixture for bipolar plate processing, including a transmission mechanism 100 and a clamping assembly 200;

[0025] The transmission mechanism 100 includes two support plates 101, and two mounting holes 102 are provided on the surfaces of the two support plates 101. Guide rods 103 are inserted into the interiors of 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 to a first bevel gear 105. The upper end of the first bevel gear 105 is meshedly connected to a second bevel gear 106. The upper end of the second bevel gear 106 is fixedly connected to a transmission gear 107.

[0026] The clamping assembly 200 includes two symmetrically installed moving plates 201, and the opposite surfaces of the two moving plates 201 are connected to a plurality of racks 202. The two moving plates 201 are meshed and connected through the racks 202 and the transmission gear 107. The ends of the two moving plates 201 that are away from each other are fixedly connected to a vertical plate 203. A connecting hole 204 is provided at the upper end of the vertical plate 203. A connecting pipe 205 is inserted into the interior of the connecting hole 204. Screw holes 206 are provided at both ends of the connecting pipe 205. A screw rod 207 is threadedly connected to the interior of the screw hole 206. One end of the screw rod 207 is detachably connected to a clamping block 208.

[0027] In a specific embodiment, the transmission mechanism 100 is provided in cooperation with the clamping assembly 200, which can not only clamp bipolar plates of different sizes, thereby enhancing the versatility of the fixture, but also facilitates the rapid disassembly, assembly and carrying of the fixture through the above results, thereby improving the convenience of using the fixture. When in use, the bipolar plate is first placed between the two connecting tubes 205, and then the screw rod 207 is controlled to rotate and exit along the screw hole 206 according to the width of the bipolar plate, and the distance between the two clamping blocks 208 is controlled to fit the bipolar plate, and then the forward and reverse motor 104 is started to rotate the first bevel gear 105 clockwise, and the second bevel gear 106 is cooperated with the transmission gear 107 rotates, and with the cooperation of the rack 202, the two movable plates 201 are controlled to move along the guide rod 103 and bring the connecting tube 205 at the upper end of the vertical plate 203 closer to each other. As the connecting tube 205 brings the screw rod 207 closer to each other, the clamping block 208 can stably clamp the bipolar plate, thereby enhancing the versatility of the tooling fixture. When disassembling the tooling fixture, first take out the screw rod 207 from the screw hole 206, then take out the connecting tube 205 from the connecting hole 204, and then take out the guide rod 103 from the mounting hole 102, so that the support plate 101, the guide rod 103 and the movable plate 201 can be disassembled, thereby facilitating the carrying of the tooling fixture and improving the convenience of use.

[0028] See also Figure 2 and Figure 3 Both ends of the support plate 101 are provided with plug holes 111 , the plug holes 111 are plugged with plug rods 112 , and the lower end of the plug rod 112 is fixedly connected with a suction cup 113 .

[0029] In a specific embodiment, the plug rod 112 is plugged into the plug hole 111 to install the suction cup 113 and the support plate 101. The suction cup 113 can improve the stability of the contact between the support plate 101 and the ground, and improve the safety of the tooling fixture.

[0030] See also Figure 2 and Figure 3 The lower surfaces of both ends of the movable plate 201 are fixedly connected with guide blocks 211 , and the surfaces of the guide blocks 211 are provided with guide holes 212 , and the guide rods 103 are inserted into the guide holes 212 .

[0031] In a specific embodiment, the guide rod 103 is inserted into the guide hole 212 , and when the movable plate 201 moves along the guide rod 103 , the stability can be improved, thereby improving the clamping stability of the bipolar plate.

[0032] See also Figure 4 and Figure 5A screw tube 221 is fixedly connected to the upper end of the vertical plate 203 , the screw tube 221 is connected to the connecting hole 204 , and a bolt 222 is connected to the inner thread of the screw tube 221 .

[0033] In a specific embodiment, the bolt 222 is threadedly connected inside the screw tube 221 and descends, so as to tighten the connecting tube 205, so as to facilitate the rapid installation and fixation of the connecting tube 205.

[0034] See also Figure 4 and Figure 5 One end of the screw rod 207 is fixedly connected to a hexagonal block 231 , the back of the clamping block 208 is fixedly connected to a mounting block 232 , a hexagonal hole 233 is opened on the surface of the mounting block 232 , and the hexagonal block 231 is inserted into the inside of the hexagonal hole 233 .

[0035] In a specific embodiment, the hexagonal block 231 is inserted into the hexagonal hole 233 to facilitate the quick disassembly and assembly of the mounting block 232 and the clamping block 208 , thereby improving the convenience of disassembly and assembly and replacement of the clamping block 208 .

[0036] See also Figure 2 and Figure 3 , the suction cup 113 is made of rubber.

[0037] In a specific embodiment, the suction cup 113 made of rubber can enhance the friction with the ground, further improving the installation stability of the support plate 101 .

[0038] See also Figure 2 - Figure 5 The support plate 101, the guide rod 103, the movable plate 201, the vertical plate 203, the connecting pipe 205 and the screw rod 207 are all made of aluminum alloy, and the movable plate 201 and the vertical plate 203 are both hollow structures.

[0039] In a specific embodiment, the support plate 101, guide rod 103, movable plate 201, vertical plate 203, connecting tube 205 and screw rod 207 made of aluminum alloy cooperate with the hollow structure to not only enhance the overall strength of each component, but also reduce the dead weight, thereby improving the portability of the tooling fixture.

[0040] Working principle: When in use, first place the bipolar plate between the two connecting tubes 205, then control the screw rod 207 to rotate along the screw hole 206 according to the width of the bipolar plate, so as to control the distance between the two clamps 208, and then start the forward and reverse motor 104 to rotate the first bevel gear 105 clockwise, and cooperate with the second bevel gear 106 to rotate the transmission gear 107, and cooperate with the rack 202 to control the two movable plates 201 to move along the guide rod 103 and bring the connecting tube 205 at the upper end of the vertical plate 203 closer to each other, as the connecting tube 205 brings the screw rod 207 closer to each other, the clamp 208 can stably clamp the bipolar plate, thereby enhancing the versatility of the tooling fixture.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for bipolar plate processing, characterized in that: include: A transmission mechanism (100), the transmission mechanism (100) comprising two support plates (101), the surfaces of the two support plates (101) each having two mounting holes (102), the interiors of the two mounting holes (102) each having a guide rod (103) inserted therein, a forward and reverse motor (104) being installed between the two support plates (101), the output end of the forward and reverse motor (104) being connected to a first bevel gear (105), the upper end of the first bevel gear (105) being meshingly connected to a second bevel gear (106), and the upper end of the second bevel gear (106) being fixedly connected to a transmission gear (107); A clamping assembly (200), the clamping assembly (200) comprising two symmetrically mounted moving plates (201), the opposite surfaces of the two moving plates (201) being connected to a plurality of racks (202), the two moving plates (201) being meshedly connected via the racks (202) and the transmission gear (107), the ends of the two moving plates (201) being fixedly connected to a vertical plate (203) away from each other, the upper ends of the vertical plates (203) being provided with connecting holes (204), the interior of the connecting holes (204) being plugged with connecting tubes (205), both ends of the connecting tubes (205) being provided with screw holes (206), the interior of the screw holes (206) being threadedly connected to a screw rod (207), and one end of the screw rod (207) being detachably connected to a clamping block (208).

2. A positioning fixture for bipolar plate processing according to claim 1, characterized in that: Both ends of the support plate (101) are provided with plugging holes (111), a plugging rod (112) is plugged into the inside of the plugging hole (111), and a suction cup (113) is fixedly connected to the lower end of the plugging rod (112).

3. A positioning fixture for bipolar plate processing according to claim 1, characterized in that: The lower surfaces of both ends of the movable plate (201) are fixedly connected with guide blocks (211), the surface of the guide blocks (211) is provided with guide holes (212), and the guide rods (103) are inserted into the guide holes (212).

4. A positioning fixture for bipolar plate processing according to claim 1, characterized in that: A screw tube (221) is fixedly connected to the upper end of the vertical plate (203); the screw tube (221) is connected to the connection hole (204); and a bolt (222) is connected to the inner thread of the screw tube (221).

5. A positioning fixture for bipolar plate processing according to claim 1, characterized in that: One end of the screw rod (207) is fixedly connected to a hexagonal block (231), the back side of the clamping block (208) is fixedly connected to a mounting block (232), a surface of the mounting block (232) is provided with a hexagonal hole (233), and the hexagonal block (231) is inserted into the inside of the hexagonal hole (233).

6. A positioning fixture for bipolar plate processing according to claim 2, characterized in that: The suction cup (113) is made of rubber.

7. A positioning fixture for bipolar plate processing according to claim 1, characterized in that: The support plate (101), the guide rod (103), the movable plate (201), the vertical plate (203), the connecting pipe (205) and the screw rod (207) are all made of aluminum alloy, and the movable plate (201) and the vertical plate (203) are both hollow structures.

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