CN116871633A - Bipolar plate welding device - Google Patents
Bipolar plate welding device Download PDFInfo
- Publication number
- CN116871633A CN116871633A CN202310907429.8A CN202310907429A CN116871633A CN 116871633 A CN116871633 A CN 116871633A CN 202310907429 A CN202310907429 A CN 202310907429A CN 116871633 A CN116871633 A CN 116871633A
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- Prior art keywords
- bipolar plate
- template
- welding
- cooling
- gas
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/003—Cooling means for welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
本发明公开了双极板焊接装置，包括运动模组上设有用于对双极板进行焊接的焊接机构；冷却组件包括模板、水冷系统和供气系统，模板通过吸盘可拆卸设在工作台上，水冷系统包括设于模板内的供液通道，供气系统包括设于模板内的供气管道、沿模板上表面中心向下凹陷形成的冷却腔，以及沿冷却腔底部开设多个与供气管道连通的气体通道；使双极板与冷却腔之间形成密闭空间；双极板焊接过程中，通过水冷系统和供气系统的配合设置，通过供液通道将输入过程中的保护气体冷却，冷却的保护气体经气体通道输入至冷却腔与双极板均匀接触，对双极板的焊接区域进行气体保护的同时起到冷却降温的作用，从而能减小双极板的焊接变形量。
The invention discloses a bipolar plate welding device, which includes a welding mechanism for welding bipolar plates on a motion module; a cooling component includes a template, a water cooling system and an air supply system; the template is detachably mounted on a workbench through a suction cup , the water cooling system includes a liquid supply channel located in the template, the air supply system includes an air supply pipe located in the template, a cooling cavity formed downwardly along the center of the upper surface of the template, and multiple air supply channels along the bottom of the cooling cavity The gas channel connected by the pipeline forms a closed space between the bipolar plate and the cooling cavity; during the bipolar plate welding process, through the cooperation of the water cooling system and the gas supply system, the protective gas during the input process is cooled through the liquid supply channel. The cooled protective gas is input into the cooling chamber through the gas channel and is in uniform contact with the bipolar plate. It not only protects the welding area of the bipolar plate but also plays a cooling role, thereby reducing the welding deformation of the bipolar plate.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a bipolar plate welding device.
Background
Typically, one fuel cell unit produces less than 1 volt of electricity, so that in use, many fuel cells need to be stacked side-by-side to obtain sufficient electrical voltage. Therefore, the fuel cell is composed of a plurality of small unit bodies, each unit body is mainly composed of a bipolar plate and an MEA, and the bipolar plate is formed by welding the cathode and anode plates together by laser. The existing processing methods for connecting the anode and the cathode adopt a welding mode, and compared with other connecting processes, the laser welding has the advantages of small welding line, high quality, good sealing performance, high efficiency, low process cost, easy realization of automation and the like, and is the process with the most potential in the process of mass production of bipolar plates.
The laser welding mainly comprises the steps of irradiating laser beams on the surface of a metal sheet, melting an upper layer of sheet material, transferring heat to a lower layer of material through heat conduction, melting the upper layer of sheet material to form a molten pool, and solidifying the molten pool to form a welding seam. In the prior art, shielding gas or blowing is often adopted in laser welding, welding slag is blown away rapidly and is cooled simultaneously, but in the welding process, the bipolar plate can generate larger deformation due to the fact that the thermal stress is larger than the yield strength of the bipolar plate, particularly, the periphery of a welding area is heated smaller than the welding area, the whole bipolar plate is rugged, the shielding gas cannot flow on the bipolar plate effectively, and the thermal deformation of the bipolar plate cannot be avoided.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a bipolar plate welding device, which solves the problems that the whole bipolar plate is rugged and uneven and protective gas cannot flow on the bipolar plate effectively because the surrounding of a welding area is heated less than the welding area.
In order to achieve the above object, the present invention adopts the following technical scheme:
a bipolar plate welding apparatus comprising:
the motion module is arranged on the workbench in a sliding manner, and a welding mechanism for welding the bipolar plate is arranged on the motion module;
the cooling assembly is detachably arranged on the workbench through a sucker, the cooling assembly comprises a template, a water cooling system and an air supply system, the template is detachably arranged on the workbench through the sucker, the water cooling system comprises a liquid supply channel arranged in the template, the air supply system comprises an air supply channel arranged in the template, a cooling cavity formed by downwards sinking along the center of the upper surface of the template, and a plurality of air channels communicated with the air supply channel are formed along the bottom of the cooling cavity;
and the clamping device is used for fixedly mounting the bipolar plate on the template, so that a closed space is formed between the bipolar plate and the cooling cavity.
Preferably, the liquid supply channels are distributed in an S shape, two ends of the liquid supply channels are respectively connected with a liquid inlet adapter and a liquid outlet adapter, and the liquid inlet adapter and the liquid outlet adapter are both arranged on the side wall of the template;
the liquid inlet adapter and the liquid outlet adapter are connected with the liquid supply device through pipelines, and cooling liquid is circularly provided for the liquid supply channel.
Preferably, the gas supply pipeline comprises a main pipe and a plurality of branch pipes which are arranged in series with the main pipe, wherein the branch pipes are communicated with the gas channels which are correspondingly distributed, two ends of the main pipe are respectively connected with a gas inlet adapter and a gas outlet adapter, and the gas inlet adapter and the gas outlet adapter are both arranged on the side wall of the template;
the air inlet adapter is connected with the air supply device through a pipeline to provide protective gas for the cooling cavity, and the air outlet adapter discharges the gas in the cooling cavity through the pipeline;
the branch pipes and the liquid supply channels are alternately arranged.
Preferably, the clamping device comprises a supporting plate for supporting the bipolar plate, a frame cover plate arranged on the supporting plate, and a positioning pin for mounting the supporting plate and the frame cover plate on the template;
the support plate is hollowed out and communicated with the cooling cavity, the support plate is downwards sunken along the upper surface of the support plate to form a limit groove matched with the bipolar plate, a sealing rubber strip is arranged between the support plate and the upper template, and the sealing rubber strip is located at the bottom of the support plate.
Preferably, the motion module comprises a portal frame, a guide post I, a lifting device, a screw pair and a screw pair I, wherein the guide post is used for enabling the portal frame to be in sliding connection with a workbench;
the ball nut of the screw pair is connected with the lower beam of the portal frame, the exposed end of the screw penetrating through the workbench of the screw pair is connected with a motor arranged on the workbench, the ball nut of the screw pair I is connected with the lifting device, the exposed end of the screw penetrating through the portal frame of the screw pair I is connected with a motor I arranged on the portal frame, and the welding mechanism is detachably connected with the lifting device through the bearing frame.
Preferably, the welding device further comprises a control terminal, wherein the control terminal is electrically connected with the motor, the motor I, the lifting device and the welding mechanism respectively;
the control terminal comprises a user interface, wherein the user interface is used for receiving preset parameters of the control terminal displayed by a user through the user interface and can carry out operation modification on the preset parameters of the control terminal through the user interface;
when the control terminal is in the second state, the motor I and the welding mechanism stop working, and the lifting device is driven to enable the welding mechanism to be far away from the bipolar plate.
The invention has the beneficial effects that:
in bipolar plate welding process, through water cooling system and air feed system's cooperation setting, through the shielding gas cooling of feed liquor passageway in with the input process, the shielding gas of cooling is through gas passage input to cooling chamber and bipolar plate even contact, plays the effect of cooling down when carrying out gas protection to bipolar plate's welded region to can reduce bipolar plate's welding deformation, simultaneously, the arrangement structure of feed liquor passageway and air feed pipeline mutually support, can make shielding gas rapid cooling, further improves the radiating effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the connection structure of the motion module and the workbench according to the invention;
FIG. 3 is a schematic view of a cooling assembly according to the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic diagram of the water cooling system and the air supply system according to the present invention.
Meaning of reference numerals:
1. the device comprises a workbench, 2, a sucker, 3, a template, 4, a liquid supply channel, 5, a cooling cavity, 6, a gas channel, 7, a liquid inlet adapter, 8, a liquid outlet adapter, 9, a main pipe, 10, a branch pipe, 11, an air inlet adapter, 12, an air outlet adapter, 13, a supporting plate, 14, a frame cover plate, 15, a locating pin, 16, a sealing rubber strip, 17, a limiting groove, 18, a portal frame, 19, a guide post, 20, a guide post I, 21, a lifting device, 22, a lead screw pair, 23, a lead screw pair I, 24, a motor, 25, a motor I, 26, a welding mechanism, 27 and a bearing frame.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present embodiment discloses a bipolar plate welding apparatus including a moving module, a cooling assembly, a clamping device, and a control terminal.
Specifically, as shown in fig. 1 and 2, a motion module is slidably provided on the table 1, and a welding mechanism 26 for welding the bipolar plate is provided on the motion module.
Further, the motion module comprises a portal frame 18, a guide post 19, a guide post one 20, a lifting device 21, a screw pair 22 and a screw pair one 23. The portal frame 18 is slidably connected with the workbench 1 through a guide post 19, and a first guide post 20 is arranged on an upper cross beam of the portal frame 18. The lifting device 21 is slidably arranged on the upper cross beam of the portal frame 18 through a first guide post 20, a screw rod pair 22 is used for driving the portal frame 18 to slide, and a first screw rod pair 23 is used for driving the lifting device 21 to slide.
The ball nut of the screw pair 22 is connected with the lower beam of the portal frame 18, the screw rod of the screw pair 22 penetrates through the exposed end of the workbench 1 to be connected with a motor 24 installed on the workbench 1, the ball nut of the screw pair 23 is connected with the lifting device 21, the screw rod of the screw pair 23 penetrates through the exposed end of the portal frame 18 to be connected with a motor 25 installed on the portal frame 18, the welding mechanism 26 is detachably connected with the lifting device 21 through a bearing frame 27, and the welding mechanism 26 is convenient to disassemble, assemble and replace.
It should be noted that, the first screw pair 23 and the second screw pair 22 each include a screw and a ball nut, and the motor 24 is started to slide the gantry 18 on the guide post 19. The first motor 25 is activated to slide the lifting device 21 over the first guide post 20. Wherein, elevating gear 21 adopts the cylinder of vertical setting, and elevating gear 21 bottom is equipped with the fixed frame of connecting on the ball nut of screw pair one 23, and the output of cylinder is pegged graft the one end in fixed frame and is equipped with the slider, and the slider is connected with bearing frame 27, and the guide post of establishing on fixed frame is all worn to be equipped with at the slider both ends. The cylinder is activated to slide the dismounting and welding mechanism 26 on the guide through the carrier 27. The welding mechanism 26 can move from the X-axis, Y-axis and Z-axis directions by adopting the matching arrangement of the lifting device 21, the first screw pair 23 and the screw pair 22, so as to perform triaxial machining on the bipolar plate.
Specifically, as shown in fig. 5, the cooling component is detachably arranged on the workbench 1 through the sucker 2, and the sucker 2 is preferably one of a vacuum sucker, a magnetic sucker and a precise freezing sucker, and is used for fixedly adsorbing the cooling component on the workbench 1, and is convenient to install and detach the cooling component for replacement and maintenance. The cooling assembly comprises a die plate 3, a water cooling system and an air supply system. The template 3 is detachably arranged on the workbench 1 through the sucker 2. The water cooling system comprises a liquid supply channel 4 arranged in the template 3. The gas supply system comprises a gas supply pipe, a cooling chamber 5 and a gas channel 6. The air supply pipeline is arranged in the template 3, the cooling cavity 5 is formed by downwards sinking along the center of the upper surface of the template 3, and the air channels 6 are formed along the bottom of the cooling cavity 5 and are communicated with the air supply pipeline.
Further, the liquid supply channel 4 is distributed in an S shape, two ends of the liquid supply channel 5 are respectively connected with a liquid inlet adapter 7 and a liquid outlet adapter 8, and the liquid inlet adapter 7 and the liquid outlet adapter 8 are respectively arranged on the side wall of the template 3. The liquid inlet adapter 7 and the liquid outlet adapter 8 are connected with a liquid supply device through pipelines, and cooling liquid is circularly supplied to the liquid supply channel 5.
The air supply duct includes a main pipe 9, and a plurality of branch pipes 10 provided in series with the main pipe 9. The branch pipes 10 are communicated with the gas passages 6 correspondingly distributed. The two ends of the main pipe 9 are respectively connected with an air inlet adapter 11 and an air outlet adapter 12, and the air inlet adapter 11 and the air outlet adapter 12 are both arranged on the side wall of the template 3. The air inlet adapter 11 is connected with an air supply device through a pipeline and provides protective gas for the cooling cavity 5, and the air outlet adapter 12 discharges the gas in the cooling cavity 5 through a pipeline.
Furthermore, the plurality of branch pipes 10 are alternately arranged with the liquid supply channels 4, so that the gas can be rapidly cooled, and the heat dissipation effect is further improved.
By adopting the technical method, the liquid supply device is preferably a condenser which stores cooling liquid and is suitable for circularly providing the cooling liquid for the liquid supply channel 5, the cooling liquid enters the liquid supply channel 5 to exchange heat with the template 3, heat in the template 3 is taken away, and the cooling liquid flowing out of the liquid supply channel 5 flows back to the condenser to dissipate heat, so that the circulating cooling function is realized.
The gas supply device is preferably a device for storing inert gases such as argon or nitrogen, and is suitable for providing shielding gas for the cooling cavity 5, the gas is cooled through the circulation output of the cooling liquid in the output process of the main pipe 9 and the branch pipe 10, the cooled gas is dispersed into the cooling cavity 5 through the gas channel 6 to uniformly contact with the bipolar plate, and the gas protection is carried out on the welding area of the bipolar plate, and meanwhile, the cooling effect is achieved, so that the welding deformation of the bipolar plate can be reduced.
In particular, as shown in fig. 1 and 3, the clamping device is used to fixedly mount the bipolar plate on the mold plate 3, so that a closed space is formed between the bipolar plate and the cooling chamber 5.
Further, the clamping means comprises a pallet 13, a frame cover plate 14 and a positioning pin 15. The supporting plate 13 is used for supporting the bipolar plate, the frame cover plate 14 is arranged on the supporting plate 13, and the positioning pins 15 are used for mounting the supporting plate 13 and the frame cover plate 14 on the template 3. As shown in fig. 3, the bipolar plate is clamped between the pallet 13 and the frame cover plate 14, and the bipolar plate is mounted on the template 3 by clamping means. The supporting plate 13 is hollowed out and communicated with the cooling cavity 5, and the supporting plate 13 is downwards recessed along the upper surface of the supporting plate to form a limit groove 17 matched with the bipolar plate. In order to improve the connection tightness of the clamping device and the template 3, a sealing rubber strip 16 is arranged between the supporting plate 13 and the upper template 3, and the sealing rubber strip 16 is positioned at the bottom of the supporting plate 13.
Specifically, the control terminals are electrically connected to the motor 24, the first motor 25, the lifting device 21, and the welding mechanism 26, respectively.
In order to facilitate the operation of personnel, the control terminal comprises a user interface for receiving preset parameters of the control terminal displayed by a user through the user interface and carrying out operation modification on the preset parameters of the control terminal through the user interface.
The control terminal is provided with a first control state and a second control state which are oppositely arranged. When the control terminal is in the first state, the motor 24, the motor one 25 and the lifting device 21 drive the welding mechanism 26 to move according to a preset welding track, so that the welding mechanism 26 welds the bipolar plate. When the control terminal is in the second state, the motor 24, the motor one 25 and the welding mechanism 26 stop working, and the lifting device 21 is driven to drive the welding mechanism 26 to be far away from the bipolar plate.
It should be noted that, the control terminal is preferably one or a combination of a mobile phone and a computer, and controls the motor 24, the motor one 25 and the lifting device 21, so as to adjust the welding track of the bipolar plate and the moving speed of the welding mechanism 26 in real time. The welding energy of the welding mechanism 26 is controlled so as to weld bipolar plates made of different materials, and the maximum utilization rate of the bipolar plate welding device is realized.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (6)
1. Bipolar plate welding set, its characterized in that includes:
the motion module is arranged on the workbench (1) in a sliding manner, and a welding mechanism (26) for welding the bipolar plate is arranged on the motion module;
the cooling assembly is detachably arranged on the workbench (1) through the sucker (2), the cooling assembly comprises a template (3), a water cooling system and an air supply system, the template (3) is detachably arranged on the workbench (1) through the sucker (2), the water cooling system comprises a liquid supply channel (4) arranged in the template (3), the air supply system comprises an air supply pipeline arranged in the template (3), a cooling cavity (5) formed by downwards sinking along the center of the upper surface of the template (3), and a plurality of air channels (6) communicated with the air supply pipeline are formed along the bottom of the cooling cavity (5);
and the clamping device is used for fixedly mounting the bipolar plate on the template (3) so as to form a closed space between the bipolar plate and the cooling cavity (5).
2. The bipolar plate welding device according to claim 1, wherein the liquid supply channels (4) are distributed in an S shape, two ends of the liquid supply channels (5) are respectively connected with a liquid inlet adapter (7) and a liquid outlet adapter (8), and the liquid inlet adapter (7) and the liquid outlet adapter (8) are arranged on the side wall of the template (3);
the liquid inlet adapter (7) and the liquid outlet adapter (8) are connected with a liquid supply device through pipelines, and cooling liquid is circularly supplied to the liquid supply channel (5).
3. The bipolar plate welding device according to claim 2, wherein the gas supply pipeline comprises a main pipe (9) and a plurality of branch pipes (10) which are arranged in series with the main pipe (9), the branch pipes (10) are communicated with the gas channels (6) which are correspondingly distributed, two ends of the main pipe (9) are respectively connected with a gas inlet adapter (11) and a gas outlet adapter (12), and the gas inlet adapter (11) and the gas outlet adapter (12) are both arranged on the side wall of the template (3);
the air inlet adapter (11) is connected with the air supply device through a pipeline to provide protective gas for the cooling cavity (5), and the air outlet adapter (12) is used for discharging the gas in the cooling cavity (5) through a pipeline;
a plurality of the branch pipes (10) are alternately arranged with the liquid supply channels (4).
4. A bipolar plate welding apparatus according to claim 1 or 3, characterized in that the clamping means comprise a carrier plate (13) for carrying the bipolar plates, a frame cover plate (14) provided on the carrier plate (13), and a locating pin (15) for mounting the carrier plate (13) and the frame cover plate (14) on the template (3);
the support plate (13) is hollowed out and is communicated with the cooling cavity (5), the support plate (13) is downwards sunken along the upper surface of the support plate to form a limit groove (17) matched with the bipolar plate, a sealing rubber strip (16) is arranged between the support plate (13) and the upper template (3), and the sealing rubber strip (16) is located at the bottom of the support plate (13).
5. The bipolar plate welding device according to claim 1, wherein the motion module comprises a portal frame (18), a guide post (19) which enables the portal frame (18) to be in sliding connection with the workbench (1), a guide post I (20) arranged on an upper cross beam of the portal frame (18), a lifting device (21) which is arranged on the guide post I (20) in a sliding manner, a screw pair (22) for driving the portal frame (18) and a screw pair I (23) for driving the lifting device (21);
the ball nut of the screw pair (22) is connected with the lower beam of the portal frame (18), the exposed end of the screw penetrating through the workbench (1) of the screw pair (22) is connected with a motor (24) installed on the workbench (1), the ball nut of the screw pair (23) is connected with the lifting device (21), the exposed end of the screw penetrating through the portal frame (18) of the screw pair (23) is connected with a motor (25) installed on the portal frame (18), and the welding mechanism (26) is detachably connected with the lifting device (21) through a bearing frame (27).
6. The bipolar plate welding apparatus according to claim 3 or 5, further comprising control terminals electrically connected to the motor (24), the motor one (25), the lifting device (21) and the welding mechanism (26), respectively;
the control terminal comprises a user interface, wherein the user interface is used for receiving preset parameters of the control terminal displayed by a user through the user interface and can carry out operation modification on the preset parameters of the control terminal through the user interface;
when the control terminal is in the second state, the motor (24), the motor I (25) and the welding mechanism (26) are driven by the lifting device (21) to enable the welding mechanism (26) to weld the bipolar plate, and when the control terminal is in the second state, the motor (24), the motor I (25) and the welding mechanism (26) stop working, and the lifting device (21) is driven to enable the welding mechanism (26) to be far away from the bipolar plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310907429.8A CN116871633A (en) | 2023-07-24 | 2023-07-24 | Bipolar plate welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310907429.8A CN116871633A (en) | 2023-07-24 | 2023-07-24 | Bipolar plate welding device |
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| Publication Number | Publication Date |
|---|---|
| CN116871633A true CN116871633A (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310907429.8A Pending CN116871633A (en) | 2023-07-24 | 2023-07-24 | Bipolar plate welding device |
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| CN (1) | CN116871633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139843A (en) * | 2023-10-25 | 2023-12-01 | 上海三束实业有限公司 | Energy storage battery bipolar plate polymer laser welding equipment |
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| CN108465934A (en) * | 2018-02-25 | 2018-08-31 | 深圳市联赢激光股份有限公司 | A kind of bipolar plates welder and welding method |
| CN108637476A (en) * | 2018-04-28 | 2018-10-12 | 上海治臻新能源装备有限公司 | The laser welding electromagnetic adsorption clamping device and processing method of fuel battery double plates |
| CN217096296U (en) * | 2022-03-29 | 2022-08-02 | 浙江德威不锈钢管业股份有限公司 | Gas shielded welding mechanism of automatic welding boundary beam equipment |
| CN217290905U (en) * | 2022-04-27 | 2022-08-26 | 大同新研氢能源科技有限公司 | Welding device and metal bipolar plate |
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2023
- 2023-07-24 CN CN202310907429.8A patent/CN116871633A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465934A (en) * | 2018-02-25 | 2018-08-31 | 深圳市联赢激光股份有限公司 | A kind of bipolar plates welder and welding method |
| CN108637476A (en) * | 2018-04-28 | 2018-10-12 | 上海治臻新能源装备有限公司 | The laser welding electromagnetic adsorption clamping device and processing method of fuel battery double plates |
| CN217096296U (en) * | 2022-03-29 | 2022-08-02 | 浙江德威不锈钢管业股份有限公司 | Gas shielded welding mechanism of automatic welding boundary beam equipment |
| CN217290905U (en) * | 2022-04-27 | 2022-08-26 | 大同新研氢能源科技有限公司 | Welding device and metal bipolar plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139843A (en) * | 2023-10-25 | 2023-12-01 | 上海三束实业有限公司 | Energy storage battery bipolar plate polymer laser welding equipment |
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Application publication date: 20231013 |