CN215357125U - Hydrogen fuel monocell assembly fixture - Google Patents
Hydrogen fuel monocell assembly fixture Download PDFInfo
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- CN215357125U CN215357125U CN202120353005.8U CN202120353005U CN215357125U CN 215357125 U CN215357125 U CN 215357125U CN 202120353005 U CN202120353005 U CN 202120353005U CN 215357125 U CN215357125 U CN 215357125U
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- hydrogen fuel
- module
- plate
- fuel cell
- cell assembly
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Abstract
The utility model relates to a hydrogen fuel single cell assembly tool which comprises a driving module, a supporting module, a base module and a pressurizing module, wherein the supporting module comprises a top plate and a bottom plate, the top plate and the bottom plate are connected through a plurality of stand columns, the driving module is arranged above the top plate, a push rod of the driving module penetrates through the top plate from top to bottom to be connected with the pressurizing module, the base module is arranged on the bottom plate and is positioned right below the pressurizing module, and the base module is used for fixedly placing hydrogen fuel single cells. Compared with the prior art, the utility model has the advantages of improving the assembly efficiency, improving the assembly progress and the like.
Description
Technical Field
The utility model relates to the field of fuel cell installation, in particular to a hydrogen fuel single cell assembly tool.
Background
At present, the hydrogen fuel monocells are generally assembled in a clamping plate tool fastening mode, specifically, the top ends and the bottoms of the hydrogen fuel monocells are clamped through clamping plates, and adjusting nuts and bolts are distributed on the periphery of the clamping plates. And the pressing force of the clamping plate tool is changed by sequentially adjusting the adjusting nuts by an operator, so that the press mounting of the hydrogen fuel monocells is realized. The conventional method has the following problems: 1. the clamping force of the clamping plate is not uniform in the adjusting process, so that a high-precision press-fitting process is difficult to realize; 2. the operation mode is relatively complex, and the assembly efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a hydrogen fuel single cell assembly tool, which improves the assembly efficiency and the assembly progress.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a hydrogen fuel monocell assembly fixture, includes drive module, support module, base module and pressurization module, wherein, support module includes roof and bottom plate, connects through many stands between roof and the bottom plate, drive module installs in the roof top, and drive module's push rod from last down passes the roof and connects the pressurization module, the base module is installed on the bottom plate and is located the pressurization module under, the base module is used for the fixed hydrogen fuel monocell of placing.
Furthermore, the supporting module is further provided with guide shafts, each guide shaft is parallel to the stand column, the top end of each guide shaft is connected with the top plate, the bottom end of each guide shaft is connected with the bottom plate, the pressurizing module comprises a connecting piece and a pressing plate, the upper surface of each pressing plate is connected with the push rod through the connecting piece, guide holes are formed in the end portions of the pressing plates, and the guide shafts penetrate through the guide holes.
Further, a shaft sleeve is arranged between the guide hole and the guide shaft.
Further, the base module includes fixing base and round pin axle, the hydrogen fuel monocell is placed in the center of fixing base, is equipped with at least three pinhole at each end at fixing base both ends, and after the round pin axle inserted the three pinhole of one end, an end wall and two lateral walls of three round pin axle laminating hydrogen fuel monocell.
Further, the exposed height of the pin shaft after being inserted into the pin hole is the maximum compression height of the hydrogen fuel single cell.
Further, a thin film pressure sensor is provided between the hydrogen fuel cell and the pressure plate.
Furthermore, the bottom surface of the hydrogen fuel single cell is provided with a positioning hole, the base module comprises a fixed seat, the upper surface of the fixed seat is provided with a positioning pin, and the positioning pin is embedded into the positioning hole after the hydrogen fuel single cell is placed on the base module.
Further, the driving module comprises a servo motor and an electric cylinder which are connected with each other, the bottom of the electric cylinder is fixed on the top plate, and a push rod of the electric cylinder penetrates through the top plate downwards to be connected with the pressurizing module.
Furthermore, the bottom plate and the top plate are rectangular plates, and the four stand columns are distributed at four corners of the rectangular plates to connect the bottom plate and the top plate.
Furthermore, the guide shafts are symmetrically distributed at two ends of the pressing plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the design of the driving module, the supporting module, the base module and the pressurizing module, the hydrogen fuel monocells are placed on the base module, and then the driving module drives the pressurizing module to clamp and maintain pressure of the hydrogen fuel monocells, so that the hydrogen fuel monocells are quickly installed, and the clamping force is uniform and stable.
2. The guide shaft is arranged on the supporting module to guide the pressurizing module, so that the stability of the pressurizing module in pressing down is ensured.
3. The base module is provided with a pin shaft and a fixed seat for installing the pin shaft. After the hydrogen fuel monocells are placed on the fixing seat, the hydrogen fuel monocells can be quickly positioned and fixed by inserting the pin shafts; meanwhile, the exposed height of the pin shaft after being inserted into the pin hole is the maximum compression height of the hydrogen fuel monocell, the pin shaft plays a role in protecting and limiting, and the safety during assembly is improved.
4. A film pressure sensor is arranged between the hydrogen fuel single cell and the pressure plate, so that the pressure exerted by the pressure plate on the hydrogen fuel single cell can be monitored in real time conveniently, whether the deviation of the pressure value of each point of the contact surface is within an allowable range or not can be observed, and then corresponding adjustment can be carried out, so that the high-precision press fitting process can be realized.
5. The driving module adopts the structure of an electric cylinder and a servo motor, the servo motor controls the electric cylinder to execute the movement of the pressing plate, the moving distance (micron level) of the pressing plate can be accurately controlled, and different compression rates of the carbon paper of the membrane electrode in the monocell can be controlled.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic structural diagram of a pressurizing module.
Fig. 4 is a schematic structural diagram of a base module.
Fig. 5 is a schematic diagram of the structure of a hydrogen fuel cell.
Reference numerals: 1. the device comprises a driving module, 11, a servo motor, 12, an electric cylinder, 121, a push rod, 2, a supporting module, 21, a top plate, 22, a bottom plate, 23, a column, 24, a guide shaft, 3, a base module, 31, a fixing seat, 32, a pin shaft, 33, a pin hole, 34, a positioning pin, 4, a pressurizing module, 41, a connecting piece, 42, a pressing plate, 43, a guide hole, 44, a shaft sleeve, 45, a film pressure sensor, 5, a hydrogen fuel single cell, 5a, a positioning hole, 51, an anode end plate, 52, an anode insulating plate, 53, an anode current collecting plate, 54, an anode pole plate, 55, a membrane electrode carbon paper, 56, a cathode pole plate, 57, a cathode current collecting plate, 58, a cathode insulating plate, 59 and a cathode end plate.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the present embodiment provides a hydrogen fuel cell assembly tool, which includes a driving module 1, a support module 2, a base module 3, and a pressurizing module 4.
As shown in fig. 2, the support module 2 includes a top plate 21, a bottom plate 22, a pillar 23, and a guide shaft 24. The top plate 21 and the bottom plate 22 are both rectangular plates, four upright posts 23 are adopted in the embodiment and distributed at four corners of the bottom plate 22, and the top ends of the upright posts 23 support the top plate 21. The guide shafts 24 are arranged in parallel to the upright columns 23, the top ends of the guide shafts 24 are connected with the top plate 21, the bottom ends of the guide shafts 24 are connected with the bottom plate 22, and the guide shafts 24 are symmetrically distributed at two ends of the bottom plate 22 and located between the two upright columns 23 at one end.
The drive module 1 includes a servomotor 11 and an electric cylinder 12 connected to each other. The top outer casing of the electric cylinder 12 is fixed to the center of the upper surface of the top plate 21. A through hole is formed in the middle of the top plate 21, and a push rod 121 of the electric cylinder 12 passes through the through hole to be connected to the pressurizing module 4. The driving shaft of the servo motor 11 is connected to the push rod 121 of the electric cylinder 12 through a worm structure, and the rotation of the servo motor 11 is converted into the linear motion of the push rod 121. Therefore, the servo motor 11 controls the electric cylinder 12 to drive the pressurizing module 4 to move up and down, the up-and-down movement distance of the pressurizing module 4 can be accurately controlled through the servo motor 11, and micron-scale control is achieved.
As shown in fig. 3, the pressurizing module 4 includes a connector 41 and a pressure plate 42, an upper surface of the pressure plate 42 is connected to the push rod 121 through the connector 41, and a lower surface of the pressure plate 42 is a flat surface for attaching to the hydrogen fuel cell 5. Guide holes 43 are provided at both ends of the pressing plate 42, and the guide holes 43 are fitted on the shaft bodies of the guide shafts 24 in the support module 2. When the pressing module 4 moves up and down, the guide shaft 24 stabilizes and guides the pressing plate 42. A bushing 44 may also be provided between the guide hole 43 and the guide shaft 24 to provide smooth movement.
The base module 3 is mounted on the bottom plate 22 and located directly below the pressurizing module 4, and is used for fixedly placing the hydrogen fuel cells 5. As shown in fig. 4, the base module 3 specifically includes a fixing seat 31 and a pin 32. The hydrogen fuel cell 5 to be assembled is placed in the center of the holder 31. At least three pin holes 33, preferably three in this embodiment, are provided at each of the two ends of the fixing base 31. After the pins 32 are inserted into the pin holes 33 at one end of the fixing base 31, the three pins 32 are respectively attached to one end wall and two side walls of the hydrogen fuel cell 5. The exposed height of the pin shaft 32 after being inserted into the pin hole 33 is the maximum compression height of the hydrogen fuel single cell 5, so that the single cell is protected and limited, and the safety of the tool is improved.
In another embodiment, positioning holes 5a are provided on the bottom surface of the hydrogen fuel cell 5, and positioning pins 34 are provided on the upper surface of the fixing base 31. After the hydrogen fuel single cell 5 is placed on the base module 3, the positioning pin 34 is embedded into the positioning hole 5a, so that preliminary positioning is realized, and the operation is more efficient.
A film pressure sensor 45 is arranged between the hydrogen fuel single cell 5 and the pressure plate 42, so that the pressure exerted on the hydrogen fuel single cell 5 by the pressure plate 42 can be monitored conveniently, whether the deviation of the pressure value of each point of the contact surface is within an allowable range or not can be observed, and then corresponding adjustment can be carried out, and the high-precision press fitting process can be realized.
As shown in fig. 5, the hydrogen fuel cell 5 includes, in order from top to bottom, an anode end plate 51, an anode insulating plate 52, an anode current collecting plate 53, an anode electrode plate 54, a membrane electrode carbon paper 55, a cathode electrode plate 56, a cathode current collecting plate 57, a cathode insulating plate 58, and a cathode end plate 59. The hydrogen fuel single cell 5 is assembled by pressing each electrode plate and compressing the membrane electrode carbon paper 55 to a specified compression ratio.
The working process of the embodiment is as follows:
the hydrogen fuel cell 5 is placed on the holder 31, and is positioned and fixed by the pin 32.
The servo motor 11 controls the pressing plate 42 connected with the electric cylinder 12 to move downwards for assembly, and the assembly is divided into two types.
First, assembly by controlling the compressibility of the membrane electrode carbon paper 55
When assembling in this way, the initial value of the platen 42 (when the stroke of the push rod 121 of the electric cylinder 12 is 0) is first set as the zero position. According to the size of the compressed carbon paper in the membrane electrode, the distance (accurate to micron) of downward movement of the pressing plate 42 is calculated, the servo motor 11 controls the electric cylinder 12, the push rod 121 presses the pressing plate 42 against the anode end plate 51 of the hydrogen fuel cell, the membrane pressure sensor 45 is arranged between the anode end plate 51 and the pressing plate 42, when the lower surface of the pressing plate 42 is pressed against the membrane pressure sensor 45, when the position of the pressing plate 42 reaches a preset position, the servo motor 11 brakes and keeps the position, the position of the pressing plate 42 is ensured to be constant, the membrane pressure sensor 45 can output signals to output the pressure of each point of the contact surface in real time, and the pressure value deviation of each point of the contact surface is conveniently observed whether to be within an allowable range.
Assembling the monocells by setting a constant press force value
When assembled in this manner, the required press-fitting force is first determined, and the servo motor 11 controls the push rod 121 of the electric cylinder 12 to move downward against the film pressure sensor 45 and the upper surface of the anode end plate 51 and to output a pressure value. Until the output pressure value is the same as the set pressure value and is stabilized within the deviation range, the servo motor 11 brakes and fixes the position of the pressure plate 42.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a hydrogen fuel cell assembly fixture, its characterized in that, includes drive module (1), supports module (2), base module (3) and pressurization module (4), wherein, support module (2) including roof (21) and bottom plate (22), connect through many stands (23) between roof (21) and the bottom plate (22), drive module (1) is installed in roof (21) top, and push rod (121) of drive module (1) are from last to down pass roof (21) and connect pressurization module (4), base module (3) are installed on bottom plate (22) and are located pressurization module (4) under, base module (3) are used for fixed hydrogen fuel cell (5) of placing.
2. A hydrogen fuel single cell assembly tool according to claim 1, characterized in that the support module (2) further comprises guide shafts (24), each guide shaft (24) is arranged in parallel with the upright column (23), the top end of each guide shaft (24) is connected with the top plate (21), the bottom end of each guide shaft is connected with the bottom plate (22), the pressurizing module (4) comprises a connecting piece (41) and a pressing plate (42), the upper surface of the pressing plate (42) is connected with the push rod (121) through the connecting piece (41), the end part of the pressing plate (42) is provided with a guide hole (43), and the guide shafts (24) penetrate through the guide holes (43).
3. A hydrogen fuel single cell assembling tool according to claim 2, characterized in that a shaft sleeve (44) is provided between the guide hole (43) and the guide shaft (24).
4. A hydrogen fuel cell assembly tool according to claim 1, characterized in that the base module (3) comprises a fixed seat (31) and a pin (32), the hydrogen fuel cell (5) is placed in the center of the fixed seat (31), at least three pin holes (33) are formed in each of two ends of the fixed seat (31), and after the pin (32) is inserted into the three pin holes (33) in one end, the three pin holes (32) are attached to one end wall and two side walls of the hydrogen fuel cell (5).
5. The hydrogen fuel cell assembly tooling as claimed in claim 4, characterized in that the exposed height of the pin shaft (32) after being inserted into the pin hole (33) is the maximum compression height of the hydrogen fuel cell (5).
6. A hydrogen fuel cell assembly tool as claimed in claim 1, characterized in that a membrane pressure sensor (45) is provided between the hydrogen fuel cell (5) and the pressure plate (42).
7. A hydrogen fuel cell assembly tool as claimed in claim 1, characterized in that the bottom surface of the hydrogen fuel cell (5) is provided with positioning holes (5a), the base module (3) comprises a fixing seat (31), positioning pins (34) are arranged on the upper surface of the fixing seat (31), and after the hydrogen fuel cell (5) is placed on the base module (3), the positioning pins (34) are embedded in the positioning holes (5 a).
8. The hydrogen fuel single cell assembly tool according to claim 1, wherein the driving module (1) comprises a servo motor (11) and an electric cylinder (12) which are connected with each other, the bottom of the electric cylinder (12) is fixed on a top plate (21), and a push rod (121) of the electric cylinder (12) penetrates through the top plate (21) downwards to be connected with the pressurizing module (4).
9. The hydrogen fuel single cell assembly tool as claimed in claim 1, wherein the bottom plate (22) and the top plate (21) are rectangular plates, and four columns (23) are distributed at four corners of the rectangular plates to connect the bottom plate (22) and the top plate (21).
10. A hydrogen fuel single cell assembly tooling as claimed in claim 2, characterized in that the guide shafts (24) are symmetrically distributed at both ends of the pressure plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120353005.8U CN215357125U (en) | 2021-02-08 | 2021-02-08 | Hydrogen fuel monocell assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120353005.8U CN215357125U (en) | 2021-02-08 | 2021-02-08 | Hydrogen fuel monocell assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215357125U true CN215357125U (en) | 2021-12-31 |
Family
ID=79622699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120353005.8U Active CN215357125U (en) | 2021-02-08 | 2021-02-08 | Hydrogen fuel monocell assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215357125U (en) |
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2021
- 2021-02-08 CN CN202120353005.8U patent/CN215357125U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Hydrogen Morning New Energy Technology Co.,Ltd. Assignor: SHANGHAI INTELLIGENT MANUFACTURING FUNCTION PLATFORM Co.,Ltd. Contract record no.: X2023310000094 Denomination of utility model: Hydrogen fuel single cell assembly tooling Granted publication date: 20211231 License type: Common License Record date: 20230615 |
|
| EE01 | Entry into force of recordation of patent licensing contract |