Fuel cell box body press fitting tool

Abstract

The utility model relates to the technical field of fuel cells, in particular to a fuel cell box body press fitting tool. Comprising a lower tray, the upper end of the lower tray is connected with a pressure-bearing fixed disc, the upper end of the pressure-bearing fixed disc is connected with a front end plate, the upper end of the front end plate is provided with a box body, the upper end of the box body is connected with a rear cover plate, the box body is internally provided with a long reactor core, the upper end of the long reactor core is connected with a rear end plate, and the upper end of the rear end plate is provided with a plurality of disc springs; the upper end of the bearing plate is connected with one end of each column, and the other end of each column penetrates through the rear cover plate and is connected with the upper pressing plate. Compared with the prior art, the method is simple to operate, can deal with the rapid disassembly and assembly of the long pile in an approximate batch production state in a research and development stage, can adapt to and adjust the assembly and debugging of the long pile in the approximate batch production state in a stack development process under multiple conditions, facilitates the acquisition of parameters for batch design reference, avoids the investment of huge investment into packaging equipment before the mass production of a project, and improves the production efficiency. And the development cost and the development risk before unadaptive batch production of the project are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel cells, in particular to a fuel cell box press-assembly tool. Background Art

[0002] During the fuel cell stack research and development stage, it is necessary to disassemble and assemble long stacks close to mass production status multiple times, and adjust the design parameters through the assembly process. The results of this stage will lay a reference foundation for subsequent mass production.

[0003] Therefore, before mass production begins, a simple and efficient long pile assembly tooling is needed, which takes into account practicality, economy and reliability, in order to quickly obtain test parameters that are close to the mass production state and to identify problem points in the design stage. Summary of the Invention

[0004] The utility model provides a fuel cell box press-fitting tool to overcome the deficiencies of the prior art.

[0005] In order to achieve the above purpose, a fuel cell box pressing tool is designed, including a lower tray, the upper end of the lower tray is connected to the pressure-bearing fixed plate, the upper end of the pressure-bearing fixed plate is connected to the front end plate, the upper end of the front end plate is provided with a box body, the upper end of the box body is connected to the rear cover plate, a long stack core is provided in the box body, the upper end of the long stack core is connected to the rear end plate, the upper end of the rear end plate is provided with a plurality of disc springs, the upper end of the disc springs is connected to the pressure plate, the upper end of the pressure plate is connected to one end of the equalizing column, and the other end of the equalizing column passes through the rear cover plate and is connected to the upper pressure plate.

[0006] A plurality of positioning blocks are provided on the side of the pressure-bearing fixed disk, and a recess is provided on one side of the positioning block to match the front end plate.

[0007] The positioning blocks include positioning blocks arranged in the X direction and positioning blocks arranged in the Y direction.

[0008] The box body and the rear cover are fixed by bolts.

[0009] The lower end of the upper pressing plate is provided with a rectangular sliding groove, and the upper end of the upright column is provided with a sliding plate matched with the rectangular sliding groove structure.

[0010] The equal columns and the upper pressing plate are fastened by bolts.

[0011] The rear cover is provided with a plurality of through holes matched with the upright posts.

[0012] Compared with the existing technology, the utility model is simple to operate and can cope with the rapid disassembly and assembly of long piles that are close to the mass production state in the research and development stage. It can adapt to and adjust the assembly and debugging of long piles that are close to the mass production state in the process of battery stack development under multiple conditions, and is convenient for obtaining parameters for reference in batch design, avoiding huge investment in packaging equipment before the project is mass-produced, and reducing the development cost and development risk of the project before it is adapted to mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] Figure 2 It is a cross-sectional view of the present invention. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] like Figures 1 to 2 As shown, the upper end of the lower tray 1 is connected to the pressure-bearing fixed plate 2, the upper end of the pressure-bearing fixed plate 2 is connected to the front end plate 5, the upper end of the front end plate 5 is provided with a box body 6, the upper end of the box body 6 is connected to the rear cover plate 8, a long pile core 7 is provided in the box body 6, the upper end of the long pile core 7 is connected to the rear end plate 14, the upper end of the rear end plate 14 is provided with a plurality of disc springs 13, the upper end of the disc spring 13 is connected to the pressure plate 12, the upper end of the pressure plate 12 is connected to one end of the equalizing column 10, and the other end of the equalizing column 10 passes through the rear cover plate 8 and is connected to the upper pressure plate 11.

[0017] Several positioning blocks 3 are installed on the side of the pressure-bearing fixed plate 2. Each block 3 has a notch 4 that mates with the front end plate 5, positioning the front end plate 5. The positioning blocks 3 include two blocks arranged in the X direction and another in the Y direction. The positioning blocks 3 are bolted to the pressure-bearing fixed plate 2 and provide positioning in both the X and Y directions during long stack press assembly.

[0018] The box body 6 and the rear cover plate 8 are fixed by bolts 9 .

[0019] The lower end of the upper platen 11 is provided with a rectangular slot 11-1, and the upper end of the equalizing column 10 is provided with a slide plate 10-1 that matches the rectangular slot 11-1. The upper platen 11 and the equalizing column 10 are slidably connected to each other, allowing for easy adjustment and replacement. The equalizing column 10 and the upper platen 11 are fastened together with bolts.

[0020] The rear cover plate 8 is provided with a plurality of through holes 8 - 1 which match the equalizing columns 10 .

[0021] The lower tray 1 and the upper plate 11 are made of 45# steel, and the surface is oxidized and blackened to prevent corrosion. When in use, M10 threaded holes are pre-processed on the lower tray 1 and the upper plate 11 to facilitate subsequent assembly.

[0022] The material of the pressure fixing plate 2 is P20 steel, and its upper and lower surfaces are heat treated with a quenching depth of 2mm to improve its surface hardness and ensure that there is no deformation after bearing several tons of pressing force.

[0023] The balancing columns 10 are made of 45# steel and serve as force transmitters during press-assembly of the long stack core 7. In this embodiment, the flatness of the three balancing columns 10 is 0.1, ensuring uniform force distribution on the pressure plate 12 during stack press-assembly. The three balancing columns are removable and replaceable, allowing for adjustment of spacing between them as needed, or for remanufacturing of columns with different diameters to accommodate the needs.

[0024] In this embodiment, the pressure-bearing fixed plate 2 is secured to the lower tray 1 with four M10 bolts. The positioning block 3 is bolted to the pressure-bearing fixed plate 2 and used to position the front end plate 5. The box 6, long stack core 7, and rear cover plate 8 are assembled and secured with hexagonal flange bolts 9. The force-equalizing column 10 is secured to the upper pressure plate 11 with four M10 bolts. Both move downward together, applying pressure to the stack and performing press assembly.

[0025] like Figure 2 As shown, the force-equalizing column 10 and the upper pressure plate 11 act directly on the pressure plate 12 , and apply a pressing force to the long stack core 7 through the disc spring 13 between the pressure plate 12 and the rear end plate 14 .

Claims

1. A fuel cell box press assembly tool, including a lower tray, characterized by: The upper end of the lower tray (1) is connected to the pressure-bearing fixed plate (2), the upper end of the pressure-bearing fixed plate (2) is connected to the front end plate (5), the upper end of the front end plate (5) is provided with a box body (6), the upper end of the box body (6) is connected to the rear cover plate (8), a long pile core (7) is provided in the box body (6), the upper end of the long pile core (7) is connected to the rear end plate (14), the upper end of the rear end plate (14) is provided with a plurality of disc springs (13), the upper end of the disc spring (13) is connected to the pressure plate (12), the upper end of the pressure plate (12) is connected to one end of the uniform column (10), and the other end of the uniform column (10) passes through the rear cover plate (8) and is connected to the upper pressure plate (11).

2. A fuel cell box press-assembly tool according to claim 1, characterized in that: The side of the pressure-bearing fixed plate (2) is provided with a plurality of positioning blocks (3), and one side of the positioning block (3) is provided with a notch (4) that matches the front end plate (5).

3. A fuel cell box press-assembly tool according to claim 2, characterized in that: The positioning blocks (3) include positioning blocks arranged in the X direction and positioning blocks arranged in the Y direction.

4. The fuel cell box press-assembly tool according to claim 1, characterized in that: The box body (6) and the rear cover plate (8) are fixed by bolts (9).

5. The fuel cell box press-assembly tool according to claim 1, characterized in that: The lower end of the upper pressing plate (11) is provided with a rectangular sliding groove (11-1), and the upper end of the upright column (10) is provided with a sliding plate (10-1) that matches the rectangular sliding groove (11-1) structure.

6. A fuel cell box press-assembly tool according to claim 1 or 5, characterized in that: The equalizing column (10) and the upper pressing plate (11) are fastened by bolts.

7. The fuel cell box press-assembly tool according to claim 1, characterized in that: The rear cover plate (8) is provided with a plurality of through holes (8-1) that match the upright posts (10).

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