CN216026358U - Electrode plate defect detection tool - Google Patents
Electrode plate defect detection tool Download PDFInfo
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- CN216026358U CN216026358U CN202122667429.4U CN202122667429U CN216026358U CN 216026358 U CN216026358 U CN 216026358U CN 202122667429 U CN202122667429 U CN 202122667429U CN 216026358 U CN216026358 U CN 216026358U
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Abstract
The utility model provides an electrode plate defect detection tool which comprises an upper die, a lower die and a quick-change sealing assembly, wherein the lower die is fixedly connected with the upper die, a die cavity for accommodating an electrode plate is arranged between the upper die and the lower die, an upper detection area communicated with the die cavity is arranged in the middle of the upper die, a lower detection area communicated with the die cavity is arranged in the middle of the lower die, the quick-change sealing assembly is detachably connected with the lower die and used for blocking the lower detection area, the quick-change sealing assembly can be detachably connected with the upper die and used for blocking the upper detection area, and the quick-change sealing assembly comprises a gas connecting joint communicated with the die cavity. The electrode plate defect detection tool facilitates detection of the two surfaces of the cathode and the anode of the electrode plate and improves detection accuracy.
Description
Technical Field
The utility model relates to the technical field of fuel cell stack manufacturing, in particular to an electrode plate defect detection tool.
Background
In the production and manufacturing process of the electrode plate, production quality detection can be performed through detection means such as air tightness test, but the micron-level defect of the electrode plate cannot be completely detected, but the micron-level defect can cause the whole fuel cell to have a fault or even a fatal fault in the using process, so that the product is refined, the defects of the electrode plate are reduced at the front end of the fuel cell process, the process needs to be continuously optimized, and the detection means are perfected.
Through detecting test data analysis to fuel cell, artificial small destruction to monolithic electrode slice manufacture can lead to the electrode slice to let in after gaseous, can produce the heat behind the gas permeation, and let in gaseous testing result different at the electrode slice different sides. In the prior art, after the electrode plate is arranged in the corresponding detection device, only one side of the electrode plate can be detected generally, and both sides of the cathode and the anode cannot be detected, so that when gas is introduced into one side and the electrode plate is judged to be good without detecting defects, the detection accuracy is low.
Therefore, the cathode and the anode of the single electrode plate need to be subjected to ventilation detection, so that the defect that gas penetrates and is mixed from the electrode plate can be avoided.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides an electrode sheet defect detection tool, which is convenient for detecting both sides of a cathode and an anode of an electrode sheet and can improve detection accuracy.
In order to achieve the purpose, the utility model provides an electrode plate defect detection tool which comprises an upper die, a lower die and a quick-change sealing assembly, wherein the lower die is fixedly connected with the upper die, a die cavity for accommodating an electrode plate is arranged between the upper die and the lower die, an upper detection area communicated with the die cavity is arranged in the middle of the upper die, a lower detection area communicated with the die cavity is arranged in the middle of the lower die, the quick-change sealing assembly is detachably connected with the lower die and blocks the lower detection area, the quick-change sealing assembly can be detachably connected with the upper die and can block the upper detection area, and the quick-change sealing assembly comprises a gas connecting joint communicated with the die cavity.
The quick-change sealing assembly further comprises a sealing plate, the gas connector is fixedly mounted on the sealing plate, a lower groove is formed in the lower die, the sealing plate is embedded in the lower groove and detachably connected with the groove wall of the lower groove, and the top groove wall of the lower groove is provided with the lower detection area; the upper die is provided with an upper groove, the sealing plate can be embedded in the upper groove and can be detachably connected with the groove wall of the upper groove, and the bottom groove wall of the upper groove is provided with the upper detection area.
Further, the sealing plate is fixedly connected with the lower die through a plate fixing bolt.
Furthermore, a joint groove is formed in the sealing plate, and the gas connecting joint is located in the joint groove.
Furthermore, an upper vacuum connecting joint communicated with the die cavity is arranged on the upper die, and a lower vacuum connecting joint communicated with the die cavity is arranged on the lower die.
Further, the upper vacuum connecting joint is installed on the side wall of the upper die, and the lower vacuum connecting joint is installed on the side wall of the lower die.
Furthermore, the upper die and the lower die are fixedly connected through a die connecting bolt.
Furthermore, the upper surface of the upper die is provided with an upper pressing strip, the lower surface of the lower die is provided with a lower pressing strip, and the upper pressing strip is pressed on the upper die and the lower pressing strip is pressed on the lower die through the die connecting bolt.
Further, the quick-change sealing assembly also comprises an air connection joint communicated with the mold cavity.
Further, the lower surface of going up the mould is equipped with the upper seal circle, the upper surface of lower mould is equipped with lower sealing washer.
As mentioned above, the electrode plate defect detection tool provided by the utility model has the following beneficial effects:
in an initial state, the quick-change sealing assembly is connected with the lower die, when an electrode plate is detected, the electrode plate is placed on the lower die, the upper die is connected with the lower die to fix the electrode plate in a die cavity between the upper die and the lower die, at the moment, the quick-change sealing assembly blocks a lower detection area of the lower die, then, gas is introduced into a cathode surface of the electrode plate in the die cavity through a gas connection joint, meanwhile, a detection instrument such as a handheld infrared thermal imager is used for detecting whether gas permeates to an anode surface of the electrode plate at the upper detection area, if so, the electrode plate has defects and belongs to a defective product; then the quick-change sealing assembly is detached from the lower die and connected with the upper die, the quick-change sealing assembly blocks the upper detection area, gas is introduced to the anode surface of the electrode plate in the die cavity through the gas connector, meanwhile, a detection instrument is used for detecting whether gas permeates to the cathode surface of the electrode plate at the lower detection area, and if so, the electrode plate has defects; and if no gas permeates in the two detections, the electrode slice is a good product. The electrode plate defect detection tool facilitates detection of the two surfaces of the cathode and the anode of the electrode plate and improves detection accuracy.
Drawings
Fig. 1 is a first perspective view of an electrode sheet defect detection tool in an embodiment of the utility model.
Fig. 2 is a top view of the electrode plate defect detection tool in the embodiment of the utility model.
Fig. 3 is a second perspective view of the electrode plate defect detecting tool in the embodiment of the utility model.
Description of the element reference numerals
1 Upper die
11 upper detection zone
12 upper groove
13 upper vacuum connecting joint
14 upper press strip
2 lower die
Vacuum connection joint under 21
22 lower pressing strip
3 quick-change sealing assembly
31 gas connection joint
32 sealing plate
321 connector groove
33 air connection joint
41 board fixing bolt
42-die connecting bolt
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.
As shown in fig. 1 to 3, this embodiment provides an electrode plate defect detecting tool, including last mould 1, with last mould 1 rigid coupling's lower mould 2, and quick change seal assembly 3, it has the die cavity that is used for holding the electrode plate to go up between mould 1 and the lower mould 2, the middle part of going up mould 1 is equipped with the communicating last detection area 11 with the die cavity, the middle part of lower mould 2 is equipped with the communicating lower detection area with the die cavity, quick change seal assembly 3 can be dismantled with lower mould 2 and be connected, and will detect down the regional shutoff, quick change seal assembly 3 can be dismantled with last mould 1 and be connected, and can block up last detection area 11, quick change seal assembly 3 includes the communicating gas coupling 31 with the die cavity. In an initial state, the quick-change sealing assembly 3 is connected with the lower die 2, when an electrode plate is detected, the electrode plate is placed on the lower die 2, the upper die 1 is connected with the lower die 2 to fix the electrode plate in a die cavity between the upper die 1 and the lower die 2, the lower detection area of the lower die 2 is blocked by the quick-change sealing assembly 3, then gas is introduced into the cathode surface of the electrode plate in the die cavity through the gas connecting joint 31, meanwhile, whether gas permeates to the anode surface of the electrode plate is detected at the upper detection area 11 by using a detection instrument such as a handheld infrared thermal imager and the like, if so, the electrode plate has defects and belongs to a defective product; then the quick-change sealing component 3 is detached from the lower die 2 and connected with the upper die 1, the upper detection area 11 is blocked by the quick-change sealing component 3 at the moment, gas is introduced to the anode surface of the electrode plate in the die cavity through the gas connector 31, meanwhile, whether gas permeates to the cathode surface of the electrode plate is detected at the lower detection area by a detection instrument, and if so, the electrode plate has defects; and if no gas permeates in the two detections, the electrode slice is a good product. The electrode plate defect detection tool facilitates detection of the two surfaces of the cathode and the anode of the electrode plate and improves detection accuracy.
As shown in fig. 3, in the present embodiment, the quick-change seal assembly 3 further includes a sealing plate 32, the gas connector 31 is fixedly mounted on the sealing plate 32, the lower mold 2 is provided with a lower groove, the sealing plate 32 is embedded in the lower groove and detachably connected to a groove wall of the lower groove, and a top groove wall of the lower groove is provided with the lower detection area; an upper groove 12 is arranged on the upper die 1, a sealing plate 32 can be embedded in the upper groove 12 and can be detachably connected with the groove wall of the upper groove 12, and the bottom groove wall of the upper groove 12 is provided with the upper detection area 11. In the embodiment, the sealing plate 32 is conveniently and accurately mounted at the set position of the upper die 1 or the lower die 2 by using the limiting function of the upper groove 12 and the lower groove, and the corresponding upper detection area 11 or the corresponding lower detection area can be effectively blocked. The quick-change seal assembly 3 in this embodiment further comprises an air connection 33 communicating with the mould cavity, in particular the air connection 33 being mounted on the sealing plate 32. As shown in fig. 3, the sealing plate 32 of the present embodiment is provided with two joint grooves 321, and the gas connection joint 31 and the air connection joint 33 are respectively located in the two joint grooves 321. In addition, in the embodiment, the sealing plate 32 is fixedly connected with the lower die 2 through the plate fixing bolt 41, so that the detachable connection between the two is realized; meanwhile, in the inspection, after the sealing plate 32 is detached from the lower mold 2, the sealing plate 32 is fixedly mounted in the upper groove 12 of the upper mold 1 by the plate fixing bolt 41 as well.
As shown in fig. 1 and 3, in the present embodiment, the upper mold 1 is provided with an upper vacuum connection joint 13 communicating with the mold cavity, and the lower mold 2 is provided with a lower vacuum connection joint 21 communicating with the mold cavity. And in this embodiment the upper vacuum connection fitting 13 is mounted on the side wall of the upper mold 1 and the lower vacuum connection fitting 21 is mounted on the side wall of the lower mold 2.
As shown in fig. 3, in the present embodiment, the upper die 1 and the lower die 2 are fixedly connected by the die connecting bolt 42, so as to achieve detachable connection between the upper die 1 and the lower die 2, and facilitate assembly or disassembly of the upper die 1 and the lower die in the detection process. Meanwhile, as shown in fig. 1 and 3, in the embodiment, the upper surface of the upper die 1 is provided with an upper pressing strip 14, the lower surface of the lower die 2 is provided with a lower pressing strip 22, and the upper pressing strip 14 is pressed on the upper die 1 by the die connecting bolt 42 and the lower pressing strip 22 is pressed on the lower die 2, so that the pressing strips are utilized to prevent the die connecting bolt 42 from directly generating large pressure on the upper die 1 or the lower die 2, and further prevent the upper die 1 and the lower die 2 from being damaged.
In this embodiment, the lower surface of the upper die 1 is provided with an upper seal ring, and the upper surface of the lower die 2 is provided with a lower seal ring. In the detection process, the upper sealing ring and the lower sealing ring are respectively contacted with two surfaces of the electrode plate, so that the sealing performance of the contact positions of the upper die 1 and the lower die 2 and the electrode plate is enhanced. The upper sealing ring and the lower sealing ring are customized sealing rings.
The electrode plate defect detection tool in the embodiment is used for detecting defects in the electrode plate production and manufacturing process. Utilize this detection frock can ensure that every electrode slice all is the yields in single pile, reduce in the follow-up production test process because electrode slice defect causes whole pile defective rate, improve and detect the precision to promote the yields of pile assembly.
The specific steps of detecting the electrode plate by adopting the electrode plate defect detection tool in the embodiment are as follows:
1. manually placing a cathode surface die, namely a lower die 2, on a machine table, placing an anode surface die, namely an upper die 1, on the machine table, and installing an upper sealing ring and a lower sealing ring in place;
2. connecting the lower vacuum connection joint 21 with a vacuum system, and connecting the gas connection joint 31 with a gas system;
3. manually placing the electrode plate in the lower groove of the lower die 2, positioning, and starting vacuum adsorption to ensure that the electrode plate is adsorbed flatly;
4. manually locking the upper die 1 and the lower die 2 to ensure the sealing of the electrode plates;
5. manually opening a gas system, and introducing gas into the lower die 2;
6. manually observing whether gas leaks from the anode surface of the electrode plate in the upper detection area 11 by using a detection instrument, if so, judging the electrode plate to be a defective product, and detecting the defect of the cathode surface of the electrode plate;
7. and (3) detaching the quick-change sealing assembly 3 from the lower die 2, installing the quick-change sealing assembly on the upper die 1, and detecting the defect of the other side according to the principle.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an electrode slice defect detecting tool, its characterized in that, including last mould (1), with last mould (1) lower mould (2) of rigid coupling and quick change seal assembly (3), go up the mould cavity that has between mould (1) and lower mould (2) and be used for holding the electrode slice, the middle part of going up mould (1) is equipped with and the communicating last detection area (11) of mould cavity, the middle part of lower mould (2) is equipped with and the communicating lower detection area of mould cavity, quick change seal assembly (3) can be dismantled with lower mould (2) and be connected and will detect down regional shutoff, quick change seal assembly (3) can be dismantled with last mould (1) and be connected and can block up last detection area (11), quick change seal assembly (3) include with the communicating gas coupling (31) of mould cavity.
2. The electrode plate defect detecting tool according to claim 1, wherein the quick-change sealing assembly (3) further comprises a sealing plate (32), the gas connector (31) is fixedly mounted on the sealing plate (32), a lower groove is formed in the lower die (2), the sealing plate (32) is embedded in the lower groove and is detachably connected with the groove wall of the lower groove, and the top groove wall of the lower groove is provided with the lower detecting area; the upper die (1) is provided with an upper groove (12), the sealing plate (32) can be embedded in the upper groove (12) and can be detachably connected with the groove wall of the upper groove (12), and the bottom groove wall of the upper groove (12) is provided with the upper detection area (11).
3. The electrode plate defect detecting tool according to claim 2, wherein the sealing plate (32) is fixedly connected with the lower die (2) through a plate fixing bolt (41).
4. The electrode plate defect detecting tool according to claim 2, wherein a joint groove (321) is formed in the sealing plate (32), and the gas connecting joint (31) is located in the joint groove (321).
5. The electrode plate defect detection tool according to claim 1, wherein an upper vacuum connection joint (13) communicated with the mold cavity is arranged on the upper mold (1), and a lower vacuum connection joint (21) communicated with the mold cavity is arranged on the lower mold (2).
6. The electrode plate defect detecting tool according to claim 5, wherein the upper vacuum connecting joint (13) is installed on the side wall of the upper die (1), and the lower vacuum connecting joint (21) is installed on the side wall of the lower die (2).
7. The electrode plate defect detecting tool according to claim 1, wherein the upper die (1) and the lower die (2) are fixedly connected through a die connecting bolt (42).
8. The electrode plate defect detecting tool according to claim 7, wherein an upper pressing strip (14) is arranged on the upper surface of the upper die (1), a lower pressing strip (22) is arranged on the lower surface of the lower die (2), and the upper pressing strip (14) is pressed on the upper die (1) and the lower pressing strip (22) is pressed on the lower die (2) through the die connecting bolt (42).
9. The electrode plate defect detection tool as claimed in claim 1, wherein the quick-change sealing assembly (3) further comprises an air connection joint (33) communicated with the die cavity.
10. The electrode plate defect detecting tool according to claim 1, wherein an upper sealing ring is arranged on the lower surface of the upper die (1), and a lower sealing ring is arranged on the upper surface of the lower die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122667429.4U CN216026358U (en) | 2021-11-02 | 2021-11-02 | Electrode plate defect detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122667429.4U CN216026358U (en) | 2021-11-02 | 2021-11-02 | Electrode plate defect detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216026358U true CN216026358U (en) | 2022-03-15 |
Family
ID=80613003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122667429.4U Active CN216026358U (en) | 2021-11-02 | 2021-11-02 | Electrode plate defect detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216026358U (en) |
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2021
- 2021-11-02 CN CN202122667429.4U patent/CN216026358U/en active Active
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