CN108637476A - The laser welding electromagnetic adsorption clamping device and processing method of fuel battery double plates - Google Patents
The laser welding electromagnetic adsorption clamping device and processing method of fuel battery double plates Download PDFInfo
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- CN108637476A CN108637476A CN201810404283.4A CN201810404283A CN108637476A CN 108637476 A CN108637476 A CN 108637476A CN 201810404283 A CN201810404283 A CN 201810404283A CN 108637476 A CN108637476 A CN 108637476A
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
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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
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- General Chemical & Material Sciences (AREA)
- Laser Beam Processing (AREA)
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Abstract
The present invention discloses a kind of laser welding electromagnetic adsorption clamping device of fuel battery double plates, including welding stand, welding pedestal, welding auxiliary cover plate, welded cover plate and is welded and fixed plate；Welding stand is equipped with guide conveying appliance, and the bipolar plates being placed on welding pedestal are oriented to the lower section for being transported to the position to be welded on welding stand；The lower section of position to be welded is equipped with lifting gear, and lifting gear matches to provide the mechanical grip on the outside of path of welding with welding auxiliary cover plate；It welds pedestal and is equipped with the first arrangement for producing electromagnetic force, electromagnetic adsorption on the inside of path of welding is clamped in the first magnet in the first arrangement for producing electromagnetic force electromagnetic adsorption welded cover plate.The clamping of conventional bipolar plate " bottom plate, two cover boards " is reduced to " bottom plate, a cover board " clamping by the present invention, the technique of metal double polar plates " clamping, twice welding twice " is reduced to " clamped one time, a step are welded " simultaneously, realizes metal double polar plates integration, prepared by high efficiency welding.
Description
Technical field
The invention belongs to a kind of suctions of the laser welding electromagnetism of field of fuel cell technology more particularly to fuel battery double plates
Attached clamping device and processing method.
Background technology
Fuel cell occurs electrochemical reaction with oxygen by hydrogen and produces electricl energy, and final product is water, is instantly without dirt
The important ring that dye, zero-emission new energy are constituted.At the same time, since volume, quality limit, metal double polar plates just gradually replace
Graphite electrode plate, carrying hydrogen, oxygen and coolant liquid.Existing metal double polar plates are mainly by plate and cathode plate by swashing
The mode of photocoagulation links together, and forms the structure of " two plates three ".
In order to realize the laser welding of metal double polar plates, needs to weld bottom plate and welded cover plate mutual cooperation, pass through upper pressure
Expect that muscle 1' and lower binder muscle 3' compress two pieces of sheet metal 2' of to-be-welded region, then laser 4' by sheet metal 2' above
It is introduced in the slit of upper cover plate, completes the connection of bipolar plates, as shown in fig. 1.But in order to effectively completely cut off hydrogen field, oxygen
And cooling field, closed path of welding 5' be it is closed, as shown in Figure 2.Closed welding route causes in a block welding
Cover board can not carry all weld signatures, therefore, the cooperation of two block welding upper cover plates be needed during actual welding, in Fig. 3
Shown, the first welding upper cover plate 6' and the second welding upper cover plate 7' will continuously weld route segments, and complete by clamping twice
It is prepared at the laser welding of a secondary metal double polar plates.Due to the limitation of welding fixture so that the Welder of existing metal double polar plates
Skill is complicated and inefficiency, repeated clamping also easily affect the surface quality of metal double polar plates, therefore, the traditional welding
Processes and apparatus cannot be satisfied the large batch of preparation requirement of fuel battery metal double polar plate.By the document inspection to the prior art
Rope finds that the research for the integration of metal double polar plates laser welding, high efficiency clamping device and method is reported seldom, is needed specially
Door design.
Invention content
The present invention is in view of the above-mentioned problems, provide laser welding electromagnetic adsorption clamping device and the processing of fuel battery double plates
Method.Traditional distributed laser welding scheme needs to be formed by two sets of welding upper cover plates and welding base engagement, and a secondary gold
The laser welding for belonging to bipolar plates prepares needs by artificial clamping twice to complete, and it is big to cannot be satisfied fuel battery metal double polar plate
Demand prepared by batch.The discrete features for welding upper cover plate are fused into one by the present invention by electromagnetic adsorption, by once filling
The entirety that folder completes path of welding is fixed, and it is single step welding procedure to simplify multiple step format welding procedure, realizes fuel cell bipolar
It is prepared by the high efficiency of plate laser welding.
The purpose of the present invention can be realized by following technical proposals：A kind of fuel battery double plates laser welding electromagnetism
It adsorbs clamping device, including welding stand, welding pedestal, welding auxiliary cover plate, welded cover plate and is welded and fixed plate；The welding
Rack is equipped with guide conveying appliance, and the bipolar plates guiding being placed on welding pedestal is transported to weldering by the guide conveying appliance
The lower section of the position to be welded to pick on frame；The lower section of the position to be welded is equipped with lifting gear, and the lifting gear rises
Pedestal is welded to position to be welded, lifting gear is matched with the welding auxiliary cover plate being fixed on welding stand, to provide pair
The mechanical grip on the outside of path of welding in bipolar plates；The welding pedestal is equipped with the first arrangement for producing electromagnetic force, the weldering
Connects cover plate is set to the top of position to be welded, and welded cover plate is equipped with and matched first magnetic of the first arrangement for producing electromagnetic force
Iron, first the first magnet of arrangement for producing electromagnetic force electromagnetic adsorption so that welded cover plate, which is fixed in welding auxiliary cover plate, to match
Hole in, to provide on the inside of the path of welding in bipolar plates electromagnetic adsorption be clamped；It is described to be welded and fixed plate rotationally
It is installed on the side on welding stand and positioned at position to be welded, plate is welded and fixed and is equipped with the second arrangement for producing electromagnetic force, weldering
Connects cover plate is equipped with and matched second magnet of the second arrangement for producing electromagnetic force, the second arrangement for producing electromagnetic force electromagnetic adsorption the
Two magnet so that welded cover plate, which is fixed on, to be welded and fixed on plate, to provide the electromagnetic adsorption clamping to welded cover plate.
Preferably, the welding pedestal is equipped with the location feature for positioning bipolar plates profile.
Preferably, the guide conveying appliance is power guid wheel.
Preferably, the lifting gear is the vertically set electric cylinder of piston rod or cylinder.
Preferably, offered on the welding pedestal with matched first pit of the first magnet, by the first magnet and
First pit matches the positioning realized to welded cover plate.Further, first magnet and the first pit are wedge shaped.
Preferably, it is described be welded and fixed on plate offer with the matched second dimple of the second magnet, pass through the second magnet
The positioning realized to welded cover plate is matched with second dimple.Further, second magnet and second dimple are wedge shaped.
A kind of processing method of fuel battery double plates laser welding electromagnetic adsorption clamping device, including following step are also provided
Suddenly：
（1）According to the path of welding to be welded in the structure and bipolar plates of bipolar plates, it is auxiliary to generate the welding pedestal to match, welding
Help cover board, welded cover plate and the shape region feature for being welded and fixed plate；
（2）Bipolar plates are positioned on the welding pedestal of upper discharge position, welding pedestal and bipolar plates are via on welding stand
Guide conveying appliance send to the lower section of position to be welded, lifting gear will weld pedestal and bipolar plates are promoted to position to be welded
It sets, welding pedestal is made to be butted in welding auxiliary cover plate, weld the electromagnetic adsorption of the first arrangement for producing electromagnetic force on pedestal at this time
It disconnects；
（3）It is welded and fixed plate overturning, so that electromagnetic adsorption is fixed on the welded cover plate synchronization being welded and fixed on plate and overturns to be welded
Then the surface of position is welded and fixed plate and cuts off the electromagnetic adsorption of the second arrangement for producing electromagnetic force and discharge welded cover plate, welds
Connect pedestal by restore the first arrangement for producing electromagnetic force electromagnetic adsorption by fix welded cover plate, wait for laser by welded cover plate come
To bipolar plates laser welding；
（4）After completing to the laser welding of bipolar plates, welds pedestal and pass through the electromagnetic adsorption for cutting off the first arrangement for producing electromagnetic force
And welded cover plate is discharged, being welded and fixed plate restores the electromagnetic adsorption of the second arrangement for producing electromagnetic force and fixes welded cover plate, bipolar
Plate and welding pedestal move to lower discharge position by guide conveying appliance again.
Preferably, the step（2）In, it is just sent to position to be welded when guide conveying appliance will weld pedestal and bipolar plates
When the lower section set, guide conveying appliance stopping action.
Compared with prior art, beneficial effects of the present invention：1, the present invention using based on electromagnetic adsorption by the welding of dispersion
Gripping features combine together, and electromagnetic adsorption on the outside of path of welding is clamped, and electromagnetic adsorption on the inside of path of welding is clamped, to
Realize metal double polar plates integration welding clamping, the process for being effectively simplified conventional laser welding clamping；
2, the welding gripping features on component can be designed according to metal double polar plates change of configuration, can meet the fuel of multi items
The laser welding clamping scheme of battery metal bi-polar plate；
3, bipolar plates are completed to realize full-automatic circulation by mechanism in laser welding preparation process by being fed to, and are different from traditional artificial
The randomness and uncertainty of clamping ensure that efficiency and quality prepared by laser；
4, can in prepared by laser welding efficient, the high-quality system completed fuel battery metal double polar plate and close path of welding
It is standby, provide a kind of practicable method for the preparation of fuel battery metal double polar plate high-volume laser.
Description of the drawings
Fig. 1 is the clamping schematic diagram of laser welding metal thin plate in conventional fuel cell metal double polar plates welding procedure.
Fig. 2 is the closed path of welding schematic diagram in bipolar plates in conventional fuel cell metal double polar plates welding procedure.
Fig. 3 is to be completed using two block welding upper cover plates and substep clamping in conventional fuel cell metal double polar plates welding procedure
The schematic diagram of laser welding.
Fig. 4 is the overall structure diagram of the embodiment of the present invention 1.
Fig. 5 is the side structure schematic diagram of the embodiment of the present invention 1.
Fig. 6 is that bipolar plates are positioned at the schematic diagram on welding pedestal in the embodiment of the present invention 1.
Fig. 7 is that welded cover plate is fixed on the schematic diagram being welded and fixed on plate in the embodiment of the present invention 1.
Fig. 8 is a structural schematic diagram of laser welding clamping device in the embodiment of the present invention 1.
Fig. 9 is another structural schematic diagram of laser welding clamping device in the embodiment of the present invention 1.
Figure 10 is the partial schematic diagram of mechanical grip and electromagnetic adsorption clamping in the embodiment of the present invention 1.
Figure 11 is the overall structure diagram of the embodiment of the present invention 2.
Part numbers are as follows in figure：
Binder muscle, the closed path of welding of 4', 5' first weld upper cover plate, 6' second under the upper binder muscle of 1', 2' sheet metals, 3'
Weld upper cover plate；
1 welding stand, 2 welding pedestals, 3 welding auxiliary cover plates, 4 welded cover plates, 5 are welded and fixed plate, 6 bipolar plates, 7 power guids
Wheel, 8 outer location features, 9 electric cylinders, 10 fixing bolts, 11 first arrangement for producing electromagnetic force, 12 first magnet, 13 first pits,
14 second arrangement for producing electromagnetic force, 15 second magnet, 16 second dimples, the 17 continuous racks of welding.
Specific implementation mode
Below in conjunction with the attached drawing specific implementation mode that the present invention will be described in detail, those skilled in the art is made to become apparent from geography
How solution puts into practice the present invention.Although describing the present invention in conjunction with its preferred embodiment, these embodiments are
It illustrates, rather than limits the scope of the invention.
Embodiment 1
Referring to Fig. 1, a kind of fuel battery double plates laser welding electromagnetic adsorption clamping device, total arrangement as shown in figure 4, its
Partial structurtes are shown in Fig. 5 to Figure 10.Specifically, the clamping device include welding stand 1, welding pedestal 2, welding auxiliary cover plate 3,
Welded cover plate 4 and it is welded and fixed plate 5.Wherein, the loading and unloading of bipolar plates 6 are mainly constituted with welding stand 1 and welding pedestal 2
Mechanism mainly constitutes laser welding clamping with welding stand 1, welding pedestal 2, welding auxiliary cover plate 3 and welded cover plate 4
Mechanism；Mainly from welded cover plate 4 and it is welded and fixed with plate 5 and constitutes welding assembly self-positioning mechanism.
Charging and discharging mechanism：The left and right sides on the welding stand 1 is separately installed with row's power guid wheel 7, Liang Paidong
Welding pedestal 2 is arranged in power directive wheel 7 above, is oriented to before and after two rows of power guid wheels 7 and driving welding pedestal 2 is moved forward and backward；Weldering
The lower surface two for connecing pedestal 2 is placed on two rows of power guid wheels 7, is welded and is formed outer location feature 8 on the upper surface of pedestal 2,
For positioning bipolar plates 6 to be laser welded or being welded, specifically, due to 6 rectangular plate of bipolar plates, outer location feature 8
It is raised for two L-types being arranged diagonal, referring to Fig. 6；The rear upper of the power guid wheel 7 is position to be welded, to be welded
The electric cylinder 9 being installed on welding stand 1 is arranged in the underface for connecing position（Or cylinder）, the output rod of electric cylinder 9 is straight up
Setting.Illustrate by taking 6 feeding of bipolar plates as an example, bipolar plates 6 to be laser welded are positioned over by outer location feature 8 positioned at upper material position
On the welding pedestal 2 set, power guid wheel 7 will weld pedestal 2 and bipolar plates 6 are sent to from front to back under position to be welded
Side, electric cylinder 9 act and welding pedestal 2 and bipolar plates 6 are promoted to position to be welded straight up, wait for post laser welding
The clamping of clamping device.In the specific implementation, the upper discharge position on welding stand 1 is equipped with the block for blocking welding pedestal 2
17, prevent welding pedestal 2 from deviating from from welding stand 1.
Laser welding clamping device：The welding auxiliary cover plate 3, which is fixed on by fixing bolt 10 on welding stand 1, to be waited for
Welding position welds and is provided with hole between two parties in auxiliary cover plate 3, and the hole and the size of welded cover plate 4 match, referring to Fig. 4, welding
Welding pedestal 2 is clamped with the output rod matching ends of electric cylinder 9 in the lower surface of auxiliary cover plate 3, realizes and is closed to bipolar plates 6
The outside mechanical grip of formula path of welding, referring to Fig. 9 and referring to the left side rectangular broken line frame of Figure 10；Weld the lower surface of pedestal 2
First arrangement for producing electromagnetic force 11 is installed, welded cover plate 4, the following table of welded cover plate 4 is arranged in the top of the position to be welded
Face is connected with the first magnet 12 of protrusion, and the first arrangement for producing electromagnetic force 11 generates electromagnetic force to adsorb the first magnet 12, realizes
Inside electromagnetic adsorption clamping to place to be welded in bipolar plates 6, referring to the right rectangular dotted line frame of Figure 10, the welding pedestal 2
Upper surface offer with 12 matched first pit 13 of the first magnet, matched by the first magnet 12 and the first pit 13
The positioning to welded cover plate 4 is realized, referring to Figure 10.
Welding assembly self-positioning mechanism：Referring to Fig. 6 to Fig. 8, it is described be welded and fixed plate 5 be installed on position to be welded it is rear on
Side, is welded and fixed being installed on one side on welding stand 1 for plate 5, and is welded and fixed plate 5 and front and back can be overturn using the side as axis,
It is described be welded and fixed plate 5 the second arrangement for producing electromagnetic force 14, the welded cover plate 4 are installed on the face of welded cover plate 4
Upper surface be connected with the second magnet 15 of protrusion, second arrangement for producing electromagnetic force 14 generates electromagnetic force and adsorbs the second magnet
15；Offered on the face of the close welded cover plate 4 for being welded and fixed plate 5 with 15 matched second dimple 16 of the second magnet,
The positioning realized to welded cover plate 4 is matched by the second magnet 15 and second dimple 16, is prepared for the welding clamping of lower passage.
It should be noted that welded cover plate 4 is designed using insert or composite structure, integrated in the welded cover plate 4 in the present embodiment
Path of welding on existing first welding upper cover plate 6' and the second welding upper cover plate 7', can by this welded cover plate 4 double
Closed path of welding 5' is welded out on pole plate 6, may refer to Fig. 2 and Fig. 3.
The processing method of above-mentioned fuel battery double plates laser welding electromagnetic adsorption clamping device, includes the following steps：
（1）According to the path of welding to be welded in the structure and bipolar plates of bipolar plates 6, the welding pedestal 2 to match, welding are generated
Auxiliary cover plate 3, welded cover plate 4 and the shape region feature for being welded and fixed plate 5；
（2）By the positioning of bipolar plates 6 to being located on the welding pedestal 2 of upper discharge position, pedestal 2 and bipolar plates 6 are welded via bonding machine
Power guid wheel 7 on frame 1 is sent to the lower section of position to be welded, electric cylinder 9 will weld pedestal 2 and bipolar plates 6 be promoted to it is to be welded
Position is connect, welding pedestal 2 is made to be butted on the lower surface of welding auxiliary cover plate 3, the first electromagnetic force welded at this time on pedestal 2 fills
Set 11 electromagnetic adsorption disconnection；
（3）It is welded and fixed the overturning of plate 5, so that electromagnetic adsorption is fixed on the synchronization of welded cover plate 4 being welded and fixed on plate 5 and overturns to be welded
The surface for connecing position is welded and fixed plate 5 and discharges welding lid by cutting off the electromagnetic adsorption of the second arrangement for producing electromagnetic force 14
Plate 4, welding pedestal 2 fix welded cover plate 4 by restoring the electromagnetic adsorption of the first arrangement for producing electromagnetic force 11, wait for that laser passes through
Welded cover plate is come to 6 laser welding of bipolar plates；
（4）After completing to the laser welding of bipolar plates 6, welds pedestal 2 and pass through the electromagnetism for cutting off the first arrangement for producing electromagnetic force 11
It adsorbs and discharges welded cover plate 4, be welded and fixed plate 5 and restore the electromagnetic adsorption of the second arrangement for producing electromagnetic force 14 and fix welding lid
Plate 4, bipolar plates 6 and welding pedestal 2 move to lower discharge position by power guid wheel 7 again, complete a laser welding and prepare.
Wherein, step（2）In, it is just sent to position to be welded when power guid wheel 7 will weld pedestal 2 and bipolar plates 6
When lower section, 7 stopping of power guid wheel action.
Laser welding clamping device of the present invention is directed to multiple types metal double polar plates 6, it is only necessary to for welding pedestal
2, auxiliary cover plate 3, welded cover plate 4 are welded and is welded and fixed the shape region feature of plate 5 and is modified.
Embodiment 2
Referring to Figure 11, fuel battery double plates laser welding electromagnetic adsorption clamping device is applied on welding streamline, and above-mentioned
Embodiment difference place is, further includes the continuous rack 18 of welding, welds continuous rack 18 and power guid is arranged using both sides
Wheel 7 welds pedestal 2 and the bipolar plates 6 on welding pedestal 2 to be oriented to conveying polylith.Upper material position on the welding stand 1 of the present invention
It sets and the access of lower discharge position constitutes complete welding streamline in welding in continuous rack 18, the power guide on welding stand 1
It is matched to wheel 7 with the power guid wheel 7 welded in continuous rack 18 to convey welding pedestal 2 and bipolar plates 6 together.Specifically
Ground, welding streamline are annularly arranged, weld pedestal 2 and bipolar plates 6 can circulation conveying, entire welding on welding streamline
Assembly line saves space, improves production efficiency.
It should be pointed out that for the present invention through absolutely proving, can also have the embodiment of a variety of transformation and remodeling,
It is not limited to the specific embodiment of the above embodiment.Above-described embodiment as just the present invention explanation, rather than to this
The limitation of invention.In short, protection scope of the present invention should include that those are apparent to those skilled in the art
Transformation or replacement and remodeling.
Claims (10)
1. a kind of laser welding electromagnetic adsorption clamping device of fuel battery double plates, which is characterized in that including welding stand, weldering
It connects pedestal, welding auxiliary cover plate, welded cover plate and is welded and fixed plate；
The welding stand is equipped with guide conveying appliance, and the guide conveying appliance will be placed on the bipolar plates on welding pedestal
It is oriented to the lower section for being transported to the position to be welded on welding stand；
The lower section of the position to be welded is equipped with lifting gear, and the lifting gear rises welding pedestal to position to be welded, rises
Falling unit is matched with the welding auxiliary cover plate being fixed on welding stand, to provide on the outside of the path of welding in bipolar plates
Mechanical grip；
The welding pedestal is equipped with the first arrangement for producing electromagnetic force, and the welded cover plate is set to the top of position to be welded,
Welded cover plate is equipped with and matched first magnet of the first arrangement for producing electromagnetic force, the first arrangement for producing electromagnetic force electromagnetic adsorption
First magnet so that welded cover plate is fixed in the hole to match in welding auxiliary cover plate, to provide to the weldering in bipolar plates
Connect the electromagnetic adsorption clamping on the inside of path；
The side for being welded and fixed plate and being rotatably installed on welding stand and being located at position to be welded, is welded and fixed on plate
Equipped with the second arrangement for producing electromagnetic force, welded cover plate be equipped with matched second magnet of the second arrangement for producing electromagnetic force, the
Two the second magnet of arrangement for producing electromagnetic force electromagnetic adsorption so that welded cover plate, which is fixed on, to be welded and fixed on plate, to provide butt welding
The electromagnetic adsorption of connects cover plate is clamped.
2. wanting the laser welding electromagnetic adsorption clamping device of the fuel battery double plates described in 1 according to right, which is characterized in that institute
Welding pedestal is stated equipped with the location feature for positioning bipolar plates profile.
3. wanting the laser welding electromagnetic adsorption clamping device of the fuel battery double plates described in 1 according to right, which is characterized in that institute
It is power guid wheel to state guide conveying appliance.
4. wanting the laser welding electromagnetic adsorption clamping device of the fuel battery double plates described in 1 according to right, which is characterized in that institute
It is the vertically set electric cylinder of piston rod or cylinder to state lifting gear.
5. wanting the laser welding electromagnetic adsorption clamping device of the fuel battery double plates described in 1 according to right, which is characterized in that institute
State welding pedestal on offer with matched first pit of the first magnet, realization is matched by the first magnet and the first pit
Positioning to welded cover plate.
6. wanting the laser welding electromagnetic adsorption clamping device of the fuel battery double plates described in 5 according to right, which is characterized in that institute
It states the first magnet and the first pit is wedge shaped.
7. wanting the laser welding electromagnetic adsorption clamping device of the fuel battery double plates described in 1 according to right, which is characterized in that institute
State be welded and fixed on plate offer with the matched second dimple of the second magnet, reality is matched by the second magnet and second dimple
Now to the positioning of welded cover plate.
8. wanting the laser welding electromagnetic adsorption clamping device of the fuel battery double plates described in 7 according to right, which is characterized in that institute
It states the second magnet and second dimple is wedge shaped.
9. a kind of adding according to any fuel battery double plates laser welding electromagnetic adsorption clamping devices of claim 1-8
Work method, which is characterized in that include the following steps：
（1）According to the path of welding to be welded in the structure and bipolar plates of bipolar plates, it is auxiliary to generate the welding pedestal to match, welding
Help cover board, welded cover plate and the shape region feature for being welded and fixed plate；
（2）Bipolar plates are positioned on the welding pedestal of upper discharge position, welding pedestal and bipolar plates are via on welding stand
Guide conveying appliance send to the lower section of position to be welded, lifting gear will weld pedestal and bipolar plates are promoted to position to be welded
It sets, welding pedestal is made to be butted in welding auxiliary cover plate, weld the electromagnetic adsorption of the first arrangement for producing electromagnetic force on pedestal at this time
It disconnects；
（3）It is welded and fixed plate overturning, so that electromagnetic adsorption is fixed on the welded cover plate synchronization being welded and fixed on plate and overturns to be welded
Then the surface of position is welded and fixed plate and cuts off the electromagnetic adsorption of the second arrangement for producing electromagnetic force and discharge welded cover plate, welds
Connect pedestal by restore the first arrangement for producing electromagnetic force electromagnetic adsorption by fix welded cover plate, wait for laser by welded cover plate come
To bipolar plates laser welding；
（4）After completing to the laser welding of bipolar plates, welds pedestal and pass through the electromagnetic adsorption for cutting off the first arrangement for producing electromagnetic force
And welded cover plate is discharged, being welded and fixed plate restores the electromagnetic adsorption of the second arrangement for producing electromagnetic force and fixes welded cover plate, bipolar
Plate and welding pedestal move to lower discharge position by guide conveying appliance again.
10. a kind of processing side of fuel battery double plates laser welding electromagnetic adsorption clamping device according to claim 9
Method, which is characterized in that the step（2）In, it is just sent to position to be welded when guide conveying appliance will weld pedestal and bipolar plates
When the lower section set, guide conveying appliance stopping action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404283.4A CN108637476B (en) | 2018-04-28 | 2018-04-28 | Laser welding electromagnetic adsorption clamping device of fuel cell bipolar plate and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404283.4A CN108637476B (en) | 2018-04-28 | 2018-04-28 | Laser welding electromagnetic adsorption clamping device of fuel cell bipolar plate and processing method |
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| CN108637476B CN108637476B (en) | 2022-03-15 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109623245A (en) * | 2019-01-14 | 2019-04-16 | 安徽明天氢能科技股份有限公司 | A kind of hydrogen fuel cell bipolar plates full automatic welding welding fixture |
| CN109746611A (en) * | 2019-01-30 | 2019-05-14 | 安特(苏州)精密机械有限公司 | A kind of welding fixture of metal double polar plates |
| CN111318803A (en) * | 2020-02-20 | 2020-06-23 | 浙江锋源氢能科技有限公司 | Heat dissipation device and welding method of metal bipolar plate |
| CN114682909A (en) * | 2022-05-13 | 2022-07-01 | 北京开元新能科技有限公司 | Bipolar plate welding device |
| WO2023046342A1 (en) | 2021-09-27 | 2023-03-30 | Andritz Soutec Ag | Method and device for laser welding planar workpieces |
| WO2023046341A1 (en) * | 2021-09-27 | 2023-03-30 | Andritz Soutec Ag | Device and method for laser welding steel plates |
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| CN109746611A (en) * | 2019-01-30 | 2019-05-14 | 安特(苏州)精密机械有限公司 | A kind of welding fixture of metal double polar plates |
| CN109746611B (en) * | 2019-01-30 | 2024-04-26 | 安特(苏州)精密机械有限公司 | Welding fixture for metal bipolar plate |
| CN111318803A (en) * | 2020-02-20 | 2020-06-23 | 浙江锋源氢能科技有限公司 | Heat dissipation device and welding method of metal bipolar plate |
| CN111318803B (en) * | 2020-02-20 | 2022-05-24 | 浙江锋源氢能科技有限公司 | Heat dissipation device and welding method of metal bipolar plate |
| WO2023046342A1 (en) | 2021-09-27 | 2023-03-30 | Andritz Soutec Ag | Method and device for laser welding planar workpieces |
| WO2023046341A1 (en) * | 2021-09-27 | 2023-03-30 | Andritz Soutec Ag | Device and method for laser welding steel plates |
| AT525467A1 (en) * | 2021-09-27 | 2023-04-15 | Andritz Soutec Ag | METHOD AND DEVICE FOR LASER WELDING OF PLATE-FORM WORKPIECES |
| AT525467B1 (en) * | 2021-09-27 | 2023-10-15 | Andritz Soutec Ag | METHOD AND DEVICE FOR LASER WELDING OF PLATE-SHAPED WORKPIECES |
| CN114682909A (en) * | 2022-05-13 | 2022-07-01 | 北京开元新能科技有限公司 | Bipolar plate welding device |
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