CN218827280U - Single cell hot-sealing tool and single cell hot-sealing device - Google Patents
Single cell hot-sealing tool and single cell hot-sealing device Download PDFInfo
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- CN218827280U CN218827280U CN202223073253.0U CN202223073253U CN218827280U CN 218827280 U CN218827280 U CN 218827280U CN 202223073253 U CN202223073253 U CN 202223073253U CN 218827280 U CN218827280 U CN 218827280U
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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 utility model relates to a monocell heat-sealing tool and a press-fitting device thereof, which adopts an upper tool structure arranged above a heating tool; an upper heating structure is arranged on the upper tool structure; a jacking structure is arranged in the upper tool structure; a lower tool structure is arranged in the axis direction of the upper tool structure; a lower heating structure is arranged on the lower tool structure; the upper heating structure and the lower heating structure heat the press fitting part of the monocell; a floating structure is arranged in the lower tool structure; the floating structure floats in the pressing process of the upper tool structure, and positions the press-fitting piece in the press-fitting process. The influence that all brought fuel cell's comprehensive properties has been solved to ordinary frock that compresses tightly owing to the unsafe technical problem to negative plate, membrane electrode, anode plate location, simultaneously the utility model discloses a pressure equipment mode is not only qualified high, and pressure equipment efficiency is also very high moreover, can satisfy the requirement of large batch production.
Description
Technical Field
The embodiment of the utility model relates to a heat-sealing tool and a press-fitting device thereof, in particular to a monocell heat-sealing tool and a press-fitting device thereof; the utility model discloses a monocell hot-seal dress frock, pressure equipment device and hot-seal method thereof are applied to the production process of new forms of energy hydrogen fuel cell monocell for the heating pressing of the core part negative plate of hydrogen fuel cell monocell, membrane electrode, negative plate.
Background
The fuel cell unit cell is composed of a bipolar plate and a membrane electrode, which are sealed together by heating and pressing force to form a unit cell. The technical problem that the thickness of the monocell is larger or smaller due to inaccurate positioning of a cathode plate, a membrane electrode and an anode plate of a common pressing tool directly influences the internal sealing of the monocell at the beginning of the design of the fuel cell, the comprehensive performance of the fuel cell is greatly influenced, the gas can be directly leaked in a larger place, if unqualified products directly flow into the next link, the performance of the products cannot be guaranteed, even certain potential safety hazards exist, and the consequence is unreasonable; the requirement for the heat sealing of the single cell of the fuel cell is higher and higher, the traditional pressing mode is not only low in qualification rate, but also very low in efficiency, and meanwhile, the requirement for mass production cannot be met. The common press-fitting mode can not meet the requirement of rapid development of the fuel cell gradually.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model aims at providing a can improve the work efficiency of pressure equipment mode, simultaneously, improve monocell hot-sealing frock, pressure equipment device and hot-sealing method of pressure equipment quality.
In order to achieve the above object, the utility model discloses an embodiment has designed a monocell thermal packaging frock, include:
the upper tool structure is arranged above the single cell heat-sealing tool;
the upper heating structure is arranged on the upper tool structure;
the jacking structure is arranged in the upper tool structure;
the lower tooling structure is arranged in the axial direction of the upper tooling structure;
the lower heating structure is arranged on the lower tool structure; the upper heating structure and the lower heating structure heat the press fitting piece of the monocell;
the floating structure is arranged in the lower tool structure; the floating structure floats in the pressing process of the upper tool structure, and positions the press fitting piece in the pressing process.
Furthermore, an embedded structure of an anode profiling tooling plate and a cathode profiling tooling plate is arranged between the upper tooling structure and the lower tooling structure.
Further, last frock structure, still include:
the top movable pressing plate is arranged above the upper tooling structure;
the linear bearings are fixedly embedded on the top movable pressing plate;
the upper tool seat plate is fixed below the top movable pressing plate;
the upper glass fiber thermal insulation plate is fixed below the upper tool base plate;
the upper heating plate is fixed below the upper glass fiber heat insulation plate; an anode profiling tooling plate is fixed above the upper heating plate;
and the joint pin holes are formed in the anode profiling tooling plate and arranged at the opposite corners of the anode profiling tooling plate.
Further, the upper heating structure further includes:
the side surface of an upper heating plate of the upper tool structure is provided with a plurality of heating through holes; the first heating rod is arranged in the heating through hole;
and the first thermocouples are fixed above the upper heating plate and between the anode profiling tooling plate and the first thermocouples by pressing blocks.
Further, the jacking structure, still include:
the jacking rod is arranged in the upper tool structure; the jacking rod is arranged in a through hole penetrating through the upper glass fiber thermal insulation plate, the upper heating plate and the anode profiling tooling plate;
the positioning bolt penetrates through the upper tool seat plate below the jacking rod; and one end of the jacking rod is fixed.
Further, the lower tooling structure further comprises:
the lower tool seat plate is arranged at the lower part of the lower tool structure;
the lower glass fiber heat insulation plate is fixed above the lower tool seat plate;
the lower heating plate is fixed above the lower glass fiber heat insulation plate; fixing a cathode profiling tooling plate above the lower heating plate;
the positioning spring pin is movably arranged above the cathode profiling tooling plate in the area of the press fitting piece;
and the die-closing positioning pin is arranged above the cathode copying tool plate and is arranged on the opposite angle above the cathode copying tool plate.
Further, the lower heating structure further includes:
the side surface of the lower heating plate of the lower tooling structure is provided with a plurality of heating through holes; the second heating rod is arranged in the heating through hole;
and the second thermocouples are fixed above the lower heating plate and between the lower heating plate and the cathode profiling tooling plate through pressing blocks.
Further, the floating structure further comprises:
the floating linear bearing is fixed on a lower tool seat plate of the lower tool structure;
the floating rod is movably connected in the floating linear bearing;
the floating spring is sleeved on the floating rod above the floating linear bearing;
the floating support plate is fixed on the top of the floating rod through a bolt; the floating spring is clamped between the floating linear bearing and the floating support plate; the other end of the floating rod is arranged into a convex block shape and is embedded into a through hole formed in the lower tool structure.
The utility model discloses an in the embodiment still designed a monocell hot seal frock pressure equipment device, include:
a base platen; fixing a single cell heat-sealing tool on the base bedplate;
a guide rod, one end of which is fixed above the base bedplate through a guide rod locking nut,
the top movable pressing plate is movably connected to the guide rod through a linear bearing;
the top support plate is fixed above the other end of the guide rod through the guide rod locking nut;
the servo press driving device is fixed above the top supporting plate;
the output end of the servo press driving device is connected with the upper part of the top movable pressing plate through the press connecting piece; the servo press driving device drives the top movable pressing plate to move up and down along the guide rod; and driving the single cell heat-sealing tool to perform heat-sealing.
Compared with the prior art, the implementation mode of the utility model adopts the technical scheme that an upper tool structure is arranged above the heating tool; an upper heating structure is arranged on the upper tool structure; a jacking structure is arranged in the upper tool structure; a lower tool structure is arranged in the axis direction of the upper tool structure; a lower heating structure is arranged on the lower tool structure; the upper heating structure and the lower heating structure heat the press fitting part of the monocell; a floating structure is arranged in the lower tool structure; the floating structure floats in the pressing process of the upper tool structure, and positions the press-fitting piece in the press-fitting process. The influence that all brought fuel cell's comprehensive properties has been solved to ordinary frock that compresses tightly owing to the unsafe technical problem to negative plate, membrane electrode, anode plate location, simultaneously the utility model discloses a pressure equipment mode is not only qualified high, and pressure equipment efficiency is also very high moreover, can satisfy the requirement of large batch production.
Drawings
Fig. 1 is a schematic perspective view of an upper half of a single cell heat sealing apparatus according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the full-section configuration of FIG. 1;
fig. 3 is a schematic perspective view of the lower half part of the single cell heat sealing tool according to the first embodiment of the present invention;
FIG. 4 is a schematic view of the full cross-section of FIG. 3;
fig. 5 is a schematic three-dimensional structure diagram of a pressing device of a single cell heat sealing tool in a second embodiment of the present invention;
fig. 6 is a front view structural diagram of fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to a heat sealing tool for a single cell, as shown in fig. 1, 2, 3, and 4, including:
an upper tool structure 100 is arranged above the single cell heat-sealing tool of the embodiment; the upper tooling structure 100 mainly plays a supporting role;
an upper heating structure 200 is arranged on the upper tool structure 100; the upper heating structure 200 is mainly used for heating the upper tool structure 100 of the single cell heat sealing tool of the present embodiment.
A jacking structure 300 is arranged in the upper tool structure 100; the jacking structure 300 is used as an upper positioning mechanism for positioning the cathode plate 20, the membrane electrode 19 and the anode plate 18;
a lower tool structure 400 is arranged in the axial direction of the upper tool structure 100, and the lower tool structure 400 is used as a frame of the lower half part of the single cell heat sealing tool of the embodiment;
a lower heating structure 500 is arranged on the lower tooling structure 400; the upper heating structure 200 and the lower heating structure 500 heat the press-fitted part of the unit cell; the lower heating structure 500 is mainly used to heat the lower tooling structure 400.
A floating structure 600, wherein the floating structure 600 is arranged in the lower tool structure 500; the floating structure 600 floats during the pressing process of the upper tooling structure 100, and positions the press-fitted part during the press-fitting process.
Foretell structure has solved ordinary frock that compresses tightly because the unsafe technical problem of locating negative plate 20, membrane electrode 19, anode plate 18, has solved the influence that all brings fuel cell's comprehensive properties, simultaneously the utility model discloses a pressure equipment mode is not only qualified high, and pressure equipment efficiency is also very high moreover, can satisfy the requirement of large batch production.
In order to achieve the above-described technical effects, in the single cell heat seal tool of the present embodiment, as shown in fig. 1, 2, 3, and 4, an engaging structure of the anode profiling tool plate 16 and the cathode profiling tool plate 12 is provided between the upper tool structure 100 and the lower tool structure 500. The mutually-embedded structure of the anode profiling tooling plate 16 and the cathode profiling tooling plate 12 can ensure that the cathode plate 20, the membrane electrode 19 and the anode plate 18 are accurately positioned in the process of pressing down the upper tooling structure 100.
In order to achieve the above technical effects, the single cell heat sealing tool in the present embodiment, as shown in fig. 1, 2, 3, and 4, the upper tool structure 100 further includes:
a top movable pressing plate 5 is arranged above the upper tool structure 100; the top movable press plate 5 is used for supporting the whole upper tooling structure 100;
a plurality of linear bearings 4 are fixedly embedded in the top movable pressing plate 5; the linear bearing 4 is used for positioning the upper tool structure 100;
an upper tool seat plate 13 is fixed below the top movable pressing plate 5; the upper tool base plate 13 is used for supporting the bottom of the upper tool structure 100;
an upper glass fiber thermal insulation plate 14 is fixed below the upper tool base plate 13; the upper glass fiber thermal insulation plate 14 is mainly used for heat insulation in the heating process of the upper heating plate 15;
an upper heating plate 15 is fixed below the upper glass fiber heat insulation plate 14; an anode profiling tooling plate 16 is fixed above the upper heating plate 15; the upper heating plate 15 is used for heating the anode profiling tooling plate 16;
the anode copying tool plate 16 is provided with the aforementioned dowel pin holes 30 at diagonal positions of the anode copying tool plate 16. The dowel pin holes 30 are used for positioning the anode profiling tooling plate 16 and the cathode profiling tooling plate 12 when the mutually embedded structures are pressed and assembled.
In order to achieve the above technical effects, the single cell heat sealing tool in this embodiment, as shown in fig. 1, 2, 3, and 4, the upper heating structure 200 further includes:
a plurality of heating through holes are formed in the side surface of the upper heating plate 13 of the upper tool structure 100; a first heating rod 28 is arranged in the heating through hole; the first heating rod 28 is used for heating the anode profiling tooling plate 16;
a plurality of first thermocouples 27 are fixed above the upper heating plate 13 and between the anode profiling tooling plate 16 through pressing blocks; the first thermocouple 27 measures the temperature of the first heating rod 28.
In order to achieve the above technical effects, as shown in fig. 1, 2, 3, and 4, the single cell heat sealing tool in this embodiment further includes a jacking structure 300, including:
a jacking rod 29 is arranged in the upper tool structure 100; the jacking rod 29 is arranged in a through hole penetrating through the upper glass fiber thermal insulation plate 14, the upper heating plate 13 and the anode profiling tooling plate 16; the lift pins 29 are used to position the cathode plate 20, the membrane electrode 19, and the anode plate 18 in cooperation with the floating structure 600.
A positioning bolt 291 is inserted into the upper tool seat plate 13 below the jacking rod 29; and one end of the lift pin 29 is fixed. The set bolt 291 is used to fix the jack-up rod 29.
In order to achieve the above technical effects, the single cell thermal sealing tool in this embodiment, as shown in fig. 1, 2, 3, and 4, further includes a lower tool structure 400, including:
a lower tool seat plate 9 is arranged at the lower part of the lower tool structure 400; the lower tool seat plate 9 is used for supporting the lower tool structure 400;
a lower glass fiber heat insulation plate 10 is fixed above the upper tool seat plate 9; the lower glass fiber heat insulation plate 10 is used for heat insulation, and a lower heating plate 9 is fixed above the lower glass fiber heat insulation plate 10; a cathode profiling tooling plate 12 is fixed above the lower heating plate 9; the lower heating plate 11 is used to mount a second heating rod 281;
a positioning spring pin 21 is movably arranged above the cathode profiling tooling plate 12 in the region of the pressing piece; the positioning spring pins 21 position the cathode plate 20, the membrane electrode 19, and the anode plate 18 when they are placed.
A mold clamping positioning pin 26 is provided above the cathode copying tool plate 12 and diagonally above the cathode copying tool plate 12. In the press-fitting process of the present embodiment, the mold clamping positioning pins 26 are inserted into the mold clamping pin holes 30, so that the press-fitting accuracy of the present embodiment is ensured.
In order to achieve the above technical effects, the single cell heat sealing tool in this embodiment, as shown in fig. 1, 2, 3, and 4, further includes a lower heating structure 500, including:
a plurality of heating through holes are formed in the side surface of the lower heating plate 9 of the lower tool structure 500; a second heating rod 281 is arranged in the heating through hole; the second heating rod 281 heats the cathode profiling tooling plate 12;
a plurality of second thermocouples 271 are fixed above the lower heating plate 9 and between the cathode profiling tooling plate 12 through pressing blocks. The second thermocouple 271 measures the temperature when the second heating rod 281 heats the cathode profiling tooling plate 12.
In order to achieve the above technical effects, the single cell thermal sealing tool in this embodiment, as shown in fig. 1, 2, 3, and 4, further includes:
a floating linear bearing 22 is fixed on the lower tool seat plate 9 of the lower tool structure 400; the floating linear bearing 22 is used for movably connecting the floating rod 23;
a floating rod 23 is movably connected in the floating linear bearing 22; the floating rod 23 and the floating linear bearing 22 form a sliding mechanism, so that the single cell heat sealing tool in the embodiment can form a pressing structure.
A floating spring 24 is sleeved on the floating rod 23 above the floating linear bearing 22; a floating spring 24 for making the floating rod 23 elastic; so that the floating rod 23 floats in the lower tool structure 400;
a floating support plate 25 is fixed on the top of the floating rod 23 through a bolt; the floating spring 24 is clamped between the floating linear bearing 22 and the floating support plate 25; the other end of the floating rod 23 is provided with a convex block shape and is embedded in a through hole formed on the lower tool structure 400. The floating support plate 25 can ensure that the cathode plate 20, the membrane electrode 19 and the anode plate 18 are heated simultaneously in the heat-sealing press-fitting process, and the heating consistency of the cathode plate 20, the membrane electrode 19 and the anode plate 18 is ensured. Meanwhile, the floating support plate 25 can be ensured to be always attached to the cathode plate 20, the membrane electrode 19 and the anode plate 18 in the pressing process, and the positioning state is kept.
The second embodiment of the present invention further provides a press-fitting device for a single cell heat sealing tool, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, including:
fixing the single cell heat sealing tool in the first embodiment on the base platen 7; the base platen 7 is used for supporting a single cell heat sealing tool.
One end of a guide rod 6 is fixed above a base platen 7 through a guide rod locking nut 8, and the guide rod 6 is used for guiding the top movable pressing plate 5.
The guide rod 6 is movably connected with a top movable pressing plate 5 through a linear bearing; the top movable pressing plate 5 performs heat sealing and press mounting on the cathode plate 20, the membrane electrode 19 and the anode plate 18.
The top supporting plate 2 is fixed above the other end of the guide rod 6 through a guide rod locking nut 8; the lower surface of the top support plate 2 is used for installing the upper part of the single cell heat sealing tool, and the upper surface of the top support plate 2 is used for installing the servo press driving device 1.
A servo press driving device 1 is fixed above the top supporting plate 2; the servo press driving device 1 is mainly used for driving the single cell heat sealing tool in the first embodiment to perform heat sealing.
The output end of the servo press driving device 1 is connected with the upper part of a top movable pressing plate 5 through a press connecting piece 3; the press connecting piece 3 connects the servo press driving device 1 with the top movable pressing plate 5; the servo press driving device 1 drives the top movable pressing plate 5 to move up and down along the guide rod 6; and driving the single cell heat-sealing tool in the first embodiment to perform heat sealing.
The utility model discloses a single cell hot-seal dress pressure equipment device's hot-seal method's in the second embodiment work flow as follows:
preheating, and starting the press-fitting device of the single cell heat-sealing tool in the first embodiment; an upper heating plate 15 and a lower heating plate 9 of the press-fitting device of the battery heat-sealing tool in the first embodiment are heated to the temperature required by press-fitting; then, feeding: manually placing a cathode plate 20, a membrane electrode 19 and a cathode plate 18 above the cathode copying tool plate 12; then the servo press driving device 1 acts to drive the upper tooling structure 100, the upper heating structure 200 and the jacking structure 300 to move downwards, and the pressing of the cathode plate 20, the membrane electrode 19 and the cathode plate 18 is completed; the step S40 is entered; finally, the cathode profiling tool plate 12 and the anode profiling tool plate 16 are profiled according to products; after the profiling is finished, the servo press driving device 1 moves upwards, and the profiled cathode plate 20, the membrane electrode 19 and the cathode plate 18 are ejected out of the floating structure 600; and manually taking out the profiled cathode plate 20, the membrane electrode 19 and the cathode plate 18.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (9)
1. The utility model provides a monocell hot seal frock which characterized in that includes:
the upper tool structure is arranged above the single cell heat-sealing tool;
the upper heating structure is arranged on the upper tool structure;
the jacking structure is arranged in the upper tool structure;
the lower tooling structure is arranged in the axial direction of the upper tooling structure;
the lower heating structure is arranged on the lower tooling structure; the upper heating structure and the lower heating structure heat the press fitting part of the monocell;
the floating structure is arranged in the lower tooling structure; the floating structure floats in the pressing process of the upper tool structure, and positions the press fitting piece in the pressing process.
2. The single cell heat seal tool as claimed in claim 1, wherein an embedded structure of an anode profiling tool plate and a cathode profiling tool plate is arranged between the upper tool structure and the lower tool structure.
3. The single cell heat seal assembly tool of claim 1, wherein the upper tool structure further comprises:
the top movable pressing plate is arranged above the upper tool structure;
the linear bearings are fixedly embedded on the top movable pressing plate;
the upper tool seat plate is fixed below the top movable pressing plate;
the upper glass fiber thermal insulation plate is fixed below the upper tool seat plate;
the upper heating plate is fixed below the upper glass fiber heat insulation plate; an anode profiling tooling plate is fixed above the upper heating plate;
and the joint pin holes are formed in the anode profiling tooling plate and arranged at the opposite corners of the anode profiling tooling plate.
4. The single cell thermal seal assembly tool of claim 1, wherein the upper heating structure further comprises:
the side surface of an upper heating plate of the upper tool structure is provided with a plurality of heating through holes; the first heating rod is arranged in the heating through hole;
and the first thermocouples are fixed above the upper heating plate and between the anode profiling tooling plate and the first thermocouples by pressing blocks.
5. The single cell thermal seal assembly tool of claim 1, wherein the jacking structure further comprises:
the jacking rod is arranged in the upper tool structure; the jacking rod is arranged in a through hole penetrating through the upper glass fiber thermal insulation plate, the upper heating plate and the anode profiling tooling plate;
the positioning bolt penetrates through the upper tool base plate below the jacking rod; and one end of the jacking rod is fixed.
6. The single cell heat seal assembly tool of claim 1, wherein the lower tool structure further comprises:
the lower tool seat plate is arranged at the lower part of the lower tool structure;
the lower glass fiber heat insulation plate is fixed above the lower tool seat plate;
the lower heating plate is fixed above the lower glass fiber heat insulation plate; fixing a cathode profiling tooling plate above the lower heating plate;
the positioning spring pin is movably arranged above the cathode profiling tooling plate in the area of the press fitting piece;
and the die-closing positioning pin is arranged above the cathode copying tool plate and is arranged on the opposite angle above the cathode copying tool plate.
7. The single cell thermal seal assembly tool of claim 1, wherein the lower heating structure further comprises:
the side surface of a lower heating plate of the lower tooling structure is provided with a plurality of heating through holes; the second heating rod is arranged in the heating through hole;
and the second thermocouples are fixed above the lower heating plate and between the lower heating plate and the cathode profiling tooling plate through pressing blocks.
8. The single cell thermal seal assembly tool of claim 1, wherein the floating structure further comprises:
the floating linear bearing is fixed on a lower tool seat plate of the lower tool structure;
the floating rod is movably connected in the floating linear bearing;
the floating spring is arranged above the floating linear bearing, and the floating spring is sleeved on the floating rod;
the floating support plate is fixed on the top of the floating rod through a bolt; the floating spring is clamped between the floating linear bearing and the floating support plate; the other end of the floating rod is arranged into a convex block shape and is embedded into a through hole formed in the lower tool structure.
9. The utility model provides a monocell hot seal frock pressure equipment device which characterized in that includes:
a base platen; fixing a single cell heat sealing tool according to any one of claims 1 to 8 on the base platen;
the guide rod is used for fixing one end of the guide rod above the base bedplate through a guide rod locking nut;
the top movable pressing plate is movably connected to the guide rod through a linear bearing;
the top support plate is fixed above the other end of the guide rod through the guide rod locking nut;
the servo press driving device is fixed above the top supporting plate;
the output end of the servo press driving device is connected with the upper part of the top movable pressing plate through the press connecting piece; the servo press driving device drives the top movable pressing plate to move up and down along the guide rod; and driving the single cell heat-sealing tool to perform heat-sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223073253.0U CN218827280U (en) | 2022-11-18 | 2022-11-18 | Single cell hot-sealing tool and single cell hot-sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223073253.0U CN218827280U (en) | 2022-11-18 | 2022-11-18 | Single cell hot-sealing tool and single cell hot-sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218827280U true CN218827280U (en) | 2023-04-07 |
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ID=87263852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223073253.0U Active CN218827280U (en) | 2022-11-18 | 2022-11-18 | Single cell hot-sealing tool and single cell hot-sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218827280U (en) |
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2022
- 2022-11-18 CN CN202223073253.0U patent/CN218827280U/en active Active
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