CN116060313A - Electrode slice defect detection tool - Google Patents
Electrode slice defect detection tool Download PDFInfo
- Publication number
- CN116060313A CN116060313A CN202111288882.2A CN202111288882A CN116060313A CN 116060313 A CN116060313 A CN 116060313A CN 202111288882 A CN202111288882 A CN 202111288882A CN 116060313 A CN116060313 A CN 116060313A
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- China
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- die
- groove
- electrode plate
- defect detection
- mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention provides an electrode slice defect detection tool which comprises an upper die, a lower die fixedly connected with the upper die and a quick-change sealing assembly, wherein a die cavity for accommodating an electrode slice 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 seals the lower detection area, the quick-change sealing assembly can be detachably connected with the upper die and seals the upper detection area, and the quick-change sealing assembly comprises a gas connection joint communicated with the die cavity. The electrode plate defect detection tool facilitates detection of the two sides of the cathode and the anode of the electrode plate, and improves detection accuracy.
Description
Technical Field
The invention relates to the technical field of fuel cell stack manufacturing, in particular to an electrode plate defect detection tool.
Background
In the manufacturing process of the electrode plate, the production quality detection can be carried out by detection means such as airtight test, but the micron-level defects of the electrode plate can not be completely detected, but the micron-level defects can cause faults, even fatal faults, of the whole fuel cell in the use process, the electrode plate is held for replenishing the essence of the product, the electrode plate defects are reduced at the front end of the fuel cell process, the process is required to be continuously optimized, and the detection means are perfected.
Through the analysis of the detection test data of the fuel cell, the micro damage to the single electrode plate is made by people, the heat can be generated after the gas is introduced into the electrode plate and the gas is permeated, and the detection results are different when the gas is introduced into different sides of the electrode plate. In the prior art, after the electrode plate is installed in the corresponding detection device, only one side of the electrode plate can be detected, and both sides of the anode and cathode of the electrode plate can not be detected, so that when gas is introduced into one side and defects are not detected, the electrode plate is judged to be good, and the detection accuracy is lower.
Therefore, it is concluded that the cathode and anode of the single electrode plate are all required to be subjected to ventilation detection, so that the gas penetration and mixing from the electrode plate caused by defects can not occur.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide an electrode slice defect detection tool that is convenient for detecting both sides of the cathode and anode of an electrode slice and can improve detection accuracy.
In order to achieve the above purpose, the invention provides an electrode slice defect detection tool, which comprises an upper die, a lower die fixedly connected with the upper die and a quick-change sealing assembly, wherein a die cavity for accommodating an electrode slice 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 seals the lower detection area, the quick-change sealing assembly can be detachably connected with the upper die and seals the upper detection area, and the quick-change sealing assembly comprises a gas connection joint communicated with the die cavity.
Further, the quick-change sealing assembly further comprises a sealing plate, the gas connection joint is fixedly arranged on the sealing plate, a lower groove is formed in the lower die, the sealing plate is embedded in the lower groove and is detachably connected with the groove wall of the lower groove, and the lower detection area is formed in the top groove wall of the lower groove; 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.
Further, a joint groove is formed in the sealing plate, and the gas connection joint is located in the joint groove.
Further, 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 connection joint is installed on the side wall of the upper die, and the lower vacuum connection joint is installed on the side wall of the lower die.
Further, the upper die and the lower die are fixedly connected through die connecting bolts.
Further, an upper pressing strip is arranged on the upper surface of the upper die, a lower pressing strip is arranged on the lower surface of the lower die, and the upper pressing strip is pressed on the upper die by the die connecting bolt and is pressed on the lower die by the lower pressing strip.
Further, the quick-change seal assembly also includes an air connection fitting in communication with the mold cavity.
Further, an upper sealing ring is arranged on the lower surface of the upper die, and a lower sealing ring is arranged on the upper surface of the lower die.
As described above, the electrode slice defect detection tool provided by the invention has the following beneficial effects:
in the initial state, the quick-change sealing assembly is connected with the lower die, when the electrode plate is detected, the electrode plate is placed on the lower die, then the upper die is connected with the lower die so as to fix the electrode plate in a die cavity between the upper die and the lower die, at the moment, the lower detection area of the lower die is blocked by the quick-change sealing assembly, then, gas is introduced into the cathode surface of the electrode plate positioned in the die cavity through a gas connection joint, and meanwhile, a handheld infrared thermal imager and other detection instruments are used for detecting whether the gas permeates into the anode surface of the electrode plate in the upper detection area, if so, the electrode plate has defects and belongs to defective products; then the quick-change sealing component is detached from the lower die and is connected with the upper die, at the moment, the upper detection area is blocked by the quick-change sealing component, then gas is introduced into the anode surface of the electrode plate positioned in the die cavity through the gas connecting joint, and meanwhile, a detecting instrument is utilized to detect whether the gas permeates into the cathode surface of the electrode plate in the lower detection area, if so, the electrode plate has defects; if no gas permeates in the two detection steps, the electrode plate is good. The electrode plate defect detection tool facilitates detection of the two sides of the cathode and the anode of the electrode plate, and improves detection accuracy.
Drawings
Fig. 1 is a perspective view of a first view of an electrode sheet defect detection tool according to an embodiment of the present invention.
Fig. 2 is a top view of an electrode sheet defect detection tool according to an embodiment of the present invention.
Fig. 3 is a second perspective view of the electrode sheet defect detecting tool according to the embodiment of the present invention.
Description of element reference numerals
1. Upper die
11. Upper detection region
12. Upper groove
13. Upper vacuum connection joint
14. Upper pressing bar
2. Lower die
21. Lower vacuum connection joint
22. Lower pressing strip
3. Quick-change seal assembly
31. Gas connection joint
32. Sealing plate
321. Joint groove
33. Air connection joint
41. Plate fixing bolt
42. Die connecting bolt
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof. Also, the terms "upper", "lower", "left", "right", "middle" and "a" are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced, but rather the relative relationships thereof may be altered or modified without materially altering the technology.
As shown in fig. 1 to 3, the present embodiment provides an electrode sheet defect detection tool, which includes an upper die 1, a lower die 2 fixedly connected with the upper die 1, and a quick-change seal assembly 3, wherein a die cavity for accommodating an electrode sheet is arranged between the upper die 1 and the lower die 2, an upper detection area 11 communicated with the die cavity is arranged in the middle of the upper die 1, a lower detection area communicated with the die cavity is arranged in the middle of the lower die 2, the quick-change seal assembly 3 is detachably connected with the lower die 2 and seals the lower detection area, the quick-change seal assembly 3 can be detachably connected with the upper die 1 and seals the upper detection area 11, and the quick-change seal assembly 3 includes a gas connection joint 31 communicated with the die cavity. In the initial state, the quick-change sealing assembly 3 is connected with the lower die 2, when the electrode plate is detected, the electrode plate is placed on the lower die 2, then 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, at the moment, the quick-change sealing assembly 3 seals a lower detection area of the lower die 2, then gas is introduced into a cathode surface of the electrode plate in the die cavity through a gas connection joint 31, and meanwhile, a handheld infrared thermal imaging instrument and other detection instruments are used for detecting whether the gas permeates into an anode surface of the electrode plate at the upper detection area 11, if the gas permeates into the anode surface of the electrode plate, the electrode plate has defects and belongs to defective products; then the quick-change sealing component 3 is detached from the lower die 2 and connected with the upper die 1, at the moment, the upper detection area 11 is blocked by the quick-change sealing component 3, then gas is introduced into the anode surface of the electrode plate positioned in the die cavity through the gas connecting joint 31, and meanwhile, a detecting instrument is utilized to detect whether the gas permeates into the cathode surface of the electrode plate in the lower detection area, if so, the electrode plate has defects; if no gas permeates in the two detection steps, the electrode plate is good. The electrode plate defect detection tool facilitates detection of the two sides of the cathode and the anode of the electrode plate, and improves detection accuracy.
As shown in fig. 3, in this embodiment, the quick-change seal assembly 3 further includes a seal plate 32, the gas connection joint 31 is fixedly installed on the seal plate 32, a lower groove is formed on the lower die 2, the seal plate 32 is embedded in the lower groove and detachably connected with a 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 1 is provided with an upper groove 12, 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. The present embodiment utilizes the limiting action of the upper groove 12 and the lower groove, so that the sealing plate 32 can be accurately installed at the set position of the upper die 1 or the lower die 2, and the corresponding upper detection area 11 or lower detection area can be effectively plugged. The quick-change seal assembly 3 in this embodiment further comprises an air connection 33 in communication with the mold cavity, in particular the air connection 33 being mounted on the sealing plate 32. As shown in fig. 3, two joint grooves 321 are provided on the sealing plate 32 in the present embodiment, 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 present embodiment, the sealing plate 32 is fixedly connected with the lower die 2 through the plate fixing bolt 41, so as to realize detachable connection between the two; meanwhile, in the inspection process, after the sealing plate 32 is detached from the lower die 2, the sealing plate 32 is fixedly mounted in the upper groove 12 of the upper die 1 by the plate fixing bolts 41 as well.
As shown in fig. 1 and 3, in this embodiment, an upper vacuum connection joint 13 communicating with the mold cavity is provided on the upper mold 1, and a lower vacuum connection joint 21 communicating with the mold cavity is provided on the lower mold 2. And in this embodiment the upper vacuum connection terminal 13 is mounted on the side wall of the upper die 1 and the lower vacuum connection terminal 21 is mounted on the side wall of the lower die 2.
As shown in fig. 3, in this embodiment, the upper die 1 and the lower die 2 are fixedly connected by a die connecting bolt 42, so as to realize detachable connection between the upper die 1 and the lower die 2, and facilitate assembling or disassembling the two in the detection process. Meanwhile, as shown in fig. 1 and 3, in this 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 a die connecting bolt 42 and the lower pressing strip 22 is pressed on the lower die 2, so that the upper die 1 or the lower die 2 is prevented from being directly pressed by the die connecting bolt 42 by the pressing strip, and further the upper die 1 and the lower die 2 are prevented from being damaged.
In this embodiment, an upper sealing ring is disposed on the lower surface of the upper die 1, and a lower sealing ring is disposed on the upper surface of the lower die 2. In the detection process, the upper sealing ring and the lower sealing ring are respectively contacted with two surfaces of the electrode slice, so that the tightness of the contact part of the upper die 1 and the lower die 2 with the electrode slice is enhanced. The upper sealing ring and the lower sealing ring are customized sealing rings.
The electrode slice defect detection tool is used for detecting defects in the electrode slice production and manufacturing process. By utilizing the detection tool, each electrode slice in a single electric pile can be ensured to be good, the reject ratio of the whole electric pile caused by electrode slice defects in the subsequent production test process is reduced, the detection precision is improved, and the yield of electric pile assembly is improved.
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 face die, namely a lower die 2, on a machine table, placing an anode face die, namely an upper die 1, on the machine table, and installing an upper sealing ring and a lower sealing ring in place;
2. the lower vacuum connection 21 is connected to the vacuum system and the gas connection 31 is connected to the gas system;
3. manually placing the electrode plate in a lower groove of the lower die 2, positioning, and starting vacuum adsorption to ensure that the electrode plate is adsorbed flatly;
4. the upper die 1 and the lower die 2 are manually locked, so that the electrode plate is sealed;
5. manually opening a gas system, and introducing gas into the lower die 2;
6. manually using a detection instrument to observe whether gas leakage exists on the anode surface of the electrode plate in the upper detection area 11, if so, judging the electrode plate as a defective product, and realizing the detection of the cathode surface defect of the electrode plate;
7. and the quick-change sealing assembly 3 is detached from the lower die 2 and is arranged on the upper die 1, and the other side defect detection is carried out according to the principle.
In summary, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The utility model provides an electrode slice defect detection frock, its characterized in that includes last mould (1), lower mould (2) with last mould (1) rigid coupling, and quick change seal assembly (3), have the die cavity that is used for holding the electrode slice between last mould (1) and lower mould (2), the middle part of going up mould (1) is equipped with the communicating upper detection region (11) of die cavity, the middle part of lower mould (2) is equipped with the communicating lower detection region of die cavity, quick change seal assembly (3) can dismantle with lower mould (2) and be connected, and seal up lower detection region, quick change seal assembly (3) can dismantle with last mould (1) and can seal up upper detection region (11), quick change seal assembly (3) include with the communicating gas connection joint (31) of die cavity.
2. The electrode plate defect detection tool according to claim 1, wherein the quick-change sealing assembly (3) further comprises a sealing plate (32), the gas connection joint (31) is fixedly installed 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 a groove wall of the lower groove, and the lower detection area is formed in a top groove wall of the lower groove; 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. Electrode plate defect detection tool according to claim 2, characterized in that the sealing plate (32) is fixedly connected with the lower die (2) by a plate fixing bolt (41).
4. Electrode plate defect detection tool according to claim 2, characterized in that the sealing plate (32) is provided with a joint groove (321), and the gas connection joint (31) is located in the joint groove (321).
5. Electrode plate defect detection tool according to claim 1, characterized in that the upper die (1) is provided with an upper vacuum connection joint (13) communicated with the die cavity, and the lower die (2) is provided with a lower vacuum connection joint (21) communicated with the die cavity.
6. Electrode plate defect detection tool according to claim 5, characterized in that the upper vacuum connection joint (13) is mounted on the side wall of the upper mould (1) and the lower vacuum connection joint (21) is mounted on the side wall of the lower mould (2).
7. The electrode plate defect detection 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 detection tool according to claim 7, wherein an upper pressing bar (14) is arranged on the upper surface of the upper die (1), a lower pressing bar (22) is arranged on the lower surface of the lower die (2), and the die connecting bolt (42) presses the upper pressing bar (14) on the upper die (1) and presses the lower pressing bar (22) on the lower die (2).
9. Electrode plate defect detection tool according to claim 1, characterized in that the quick-change sealing assembly (3) further comprises an air connection joint (33) communicating with the mould cavity.
10. The electrode slice defect detection 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 |
|---|---|---|---|
| CN202111288882.2A CN116060313A (en) | 2021-11-02 | 2021-11-02 | Electrode slice defect detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111288882.2A CN116060313A (en) | 2021-11-02 | 2021-11-02 | Electrode slice defect detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116060313A true CN116060313A (en) | 2023-05-05 |
Family
ID=86179072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111288882.2A Pending CN116060313A (en) | 2021-11-02 | 2021-11-02 | Electrode slice defect detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116060313A (en) |
-
2021
- 2021-11-02 CN CN202111288882.2A patent/CN116060313A/en active Pending
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