CN114523246A - Novel battery frame and cover plate welding device and welding method - Google Patents
Novel battery frame and cover plate welding device and welding method Download PDFInfo
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- CN114523246A CN114523246A CN202210349837.1A CN202210349837A CN114523246A CN 114523246 A CN114523246 A CN 114523246A CN 202210349837 A CN202210349837 A CN 202210349837A CN 114523246 A CN114523246 A CN 114523246A
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- 238000003466 welding Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 abstract description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The embodiment of the invention provides a novel device and a method for welding a battery frame and a cover plate, and relates to the technical field of batteries. The welding device comprises a bottom plate, an upper cover plate, a lower cover plate, a frame, a long-edge positioning mechanism, a short-edge positioning mechanism and a welding mechanism; the lower cover plate, the frame and the upper cover plate are sequentially arranged on the bottom plate from bottom to top; the long edge positioning mechanism is arranged on the bottom plate and is used for simultaneously abutting against the outer side wall on one side of the long edge of the frame, the long edge of the upper cover plate and the long edge of the lower cover plate; the short edge positioning mechanism is arranged on the bottom plate and is used for simultaneously abutting against the outer side wall on one side of the short edge of the frame, the short edge of the upper cover plate and the short edge of the lower cover plate; welding mechanism sets up in one side of bottom plate for to welding between upper cover plate and the frame and between lower cover plate and the frame, promoted the welding uniformity, also promoted assembly and operating efficiency, and be difficult to cause rosin joint, explosion point, welding leakproofness subalternation problem.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a novel device and a method for welding a battery frame and a cover plate.
Background
The welding of the upper cover plate, the lower cover plate and the frame of the battery is a key packaging process of the battery cell, and the packaging of the battery cell is realized by welding the upper cover plate, the lower cover plate and the frame in a positioning manner.
At present, through the upper cover plate, the lower cover plate and the frame which are positioned manually, the cover plate and the frame are easy to dislocate, the welding consistency is poor, the assembly and the operation efficiency are low, and the problems of insufficient welding, explosion points, poor welding tightness and the like are easily caused.
Disclosure of Invention
The present invention has been made in an effort to provide a novel battery frame and cover welding apparatus which can solve the problems of the related art.
The object of the present invention is also to provide a welding method which solves the problems mentioned in the background.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a novel welding device for a battery frame and a cover plate, which comprises a bottom plate, an upper cover plate, a lower cover plate, a frame, a long-edge positioning mechanism, a short-edge positioning mechanism and a welding mechanism, wherein the bottom plate is provided with a bottom plate;
the lower cover plate, the frame and the upper cover plate are sequentially arranged on the bottom plate from bottom to top;
the long edge positioning mechanism is arranged on the bottom plate and is used for simultaneously abutting against the outer side wall of one side of the long edge of the frame, the long edge of the upper cover plate and the long edge of the lower cover plate;
the short edge positioning mechanism is arranged on the bottom plate and is used for simultaneously abutting against the outer side wall on one side of the short edge of the frame, the short edge of the upper cover plate and the short edge of the lower cover plate;
the welding mechanism is arranged on one side of the bottom plate and used for welding the upper cover plate and the frames and the lower cover plate and the frames.
Optionally, the long-side positioning mechanism includes a long-side fixing assembly and a long-side moving assembly, and the frame has a first long-side wall and a second long-side wall which are opposite to each other;
the long-edge fixing assembly is fixedly arranged on one side of the first long-edge side wall and is abutted against the first long-edge side wall, one long edge of the upper cover plate and one long edge of the lower cover plate;
the long-edge movable assembly is movably arranged on one side of the second long-edge side wall and is used for being abutted to the second long-edge side wall, the long edge of the other side of the upper cover plate and the long edge of the other side of the lower cover plate.
Optionally, the long-side movable assembly comprises a first cylinder and a first positioning piece, the first cylinder is arranged on the bottom plate, a piston rod of the first cylinder is connected with the first positioning piece, and the first positioning piece is used for abutting against the side wall of the second long side, the long side of the other side of the upper cover plate and the long side of the other side of the lower cover plate.
Optionally, a first limiting part is arranged on the bottom plate, a first positioning part is arranged on the first positioning part, and the first positioning part abuts against the second long-side wall, the other long side of the upper cover plate and the other long side of the lower cover plate under the condition that the first positioning part abuts against the limiting part.
Optionally, the short-edge positioning mechanism includes a short-edge fixing component and a short-edge moving component, and the frame has a first short-edge side wall and a second short-edge side wall which are opposite;
the short edge fixing assembly is fixedly arranged on one side of the first short edge side wall and is abutted against the first short edge side wall, one short edge of the upper cover plate and one short edge of the lower cover plate;
the short edge movable assembly is movably arranged on one side of the second short edge side wall and is used for being abutted against the second short edge side wall, the short edge on the other side of the upper cover plate and the short edge on the other side of the lower cover plate.
Optionally, the short side movable assembly comprises a second cylinder and a second positioning piece, the second cylinder is arranged on the bottom plate, a piston rod of the second cylinder is connected with the second positioning piece, and the second positioning piece is used for abutting against the second short side wall, the short side of the other side of the upper cover plate and the short side of the other side of the lower cover plate.
Optionally, a second limiting part is arranged on the second cylinder, and the second positioning part abuts against the second short-side wall, the short side of the other side of the upper cover plate, and the short side of the other side of the lower cover plate under the abutting action of the second limiting part.
Optionally, the corner rounding device further comprises a top plate, a pressing assembly and a corner rounding adjustment assembly, wherein the top plate is arranged at the top of the upper cover plate and is attached to the upper cover plate;
the pressing assembly is arranged on the bottom plate and is used for pressing the top plate and the upper cover plate;
the fillet adjusting assembly is movably arranged on the bottom plate and used for adjusting the corners of the frame.
Optionally, the frame further comprises a sucker assembly, the long edge positioning mechanism and the short edge positioning mechanism are both provided with sucker assemblies, and the sucker assemblies are used for tightly sucking the frame.
The embodiment of the invention also provides a welding method which is applied to the novel welding device for the battery frame and the cover plate, and the novel welding device for the battery frame and the cover plate further comprises a top plate, a pressing assembly and a turnover mechanism, wherein the pressing assembly is arranged on the bottom plate, and the turnover mechanism is arranged on one side of the bottom plate, is connected with the bottom plate and is used for driving the bottom plate to turn over; the welding method comprises the following steps:
placing the lower cover plate, the frame and the upper cover plate on the bottom plate in sequence;
the long-edge positioning mechanism and the short-edge positioning mechanism are utilized to abut against the frame, the lower cover plate and the upper cover plate;
compressing the top plate and the upper cover plate by using a compressing assembly;
welding the upper cover plate and the frame by using the welding mechanism;
the bottom plate is turned over to the bottom surface of the bottom plate upwards by the turning mechanism;
pre-welding the lower cover plate and the frame by using the welding mechanism;
the bottom plate is turned over by the turnover mechanism until the top surface of the bottom plate faces upwards;
and taking out the upper cover plate, the lower cover plate and the frame which are welded into a whole, and welding the lower cover plate and the frame again by using the welding mechanism.
The novel welding device and the welding method for the battery frame and the cover plate provided by the embodiment of the invention have the beneficial effects that: in the process of welding the cover plate and the frame, firstly, the lower cover plate, the frame and the upper cover plate are sequentially stacked on the bottom plate from bottom to top, then, the long-edge positioning mechanism is utilized to simultaneously abut against the outer side wall on one side of the long edge of the frame, the long edge of the upper cover plate and the long edge of the lower cover plate, the short-edge positioning mechanism is utilized to simultaneously abut against the outer side wall on one side of the short edge of the frame, the short edge of the upper cover plate and the short edge of the lower cover plate, so that the peripheries of the frame, the lower cover plate and the upper cover plate are all positioned, and at the moment, the welding mechanism is utilized to respectively weld the upper cover plate and the frame, and the lower cover plate and the frame; through fixing a position earlier welding again, just be difficult for the dislocation between apron and the frame, promoted the welding uniformity, also promoted assembly and operating efficiency, and be difficult to cause rosin joint, explosion point, welding leakproofness subalternation problem.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a novel battery frame and cover plate welding device in an embodiment of the present application;
FIG. 2 is a schematic structural diagram for showing an upper cover plate, a lower cover plate and a frame in the embodiment of the present application;
FIG. 3 is a schematic structural diagram of a long-side movable assembly according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a first limiting member in the embodiment of the present application;
FIG. 5 is a schematic structural diagram of a short edge movable assembly according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a hold-down assembly in an embodiment of the present application;
FIG. 7 is a schematic view of a fillet adjusting assembly according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural diagram of a control valve according to an embodiment of the present application;
FIG. 9 is a schematic view of an embodiment of the present application showing a top surface of a base plate;
FIG. 10 is a schematic view of an embodiment of the present application showing the underside of a base plate;
fig. 11 is a schematic structural diagram of a debug standard block in the embodiment of the present application.
Icon: 10-novel battery frame and cover plate welding device;
100-a base plate; 110-a first stop; 111-a first stop; 120-a chute; 130-a trench; 140-a through-hole; 150-pole positioning piece; 160-a control valve; 170-debugging standard blocks;
200-an upper cover plate;
300-a lower cover plate;
400-a border; 410-a first long side wall; 420-a second long side wall; 430-a first short side sidewall; 440-a second short side wall;
500-long side positioning mechanism; 510-long side fixing component; 520-long side movable assembly; 521-a first cylinder; 522-a first positioning member; 5221-a first positioning part;
600-short edge positioning means; 610-short edge fixing component; 620-short edge active element; 621-a second cylinder; 6211-a second stop; 622-a second positioning element;
700-a top plate; 710-a top plate body; 720-an extension plate;
800-a compacting assembly; 810-a third cylinder; 820-a compression member;
900-fillet adjustment assembly; 910-a slider; 911-depression; 920-positioning bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The inventor of this application discovers, is through artifical location between upper and lower apron and the frame at present, and this leads to apron and frame easy dislocation, welding uniformity is poor, assembly and operating efficiency are low, and cause rosin joint, explosion, weld the poor scheduling problem of leakproofness easily. The embodiment provides a novel welding device for a battery frame and a cover plate, and is used for solving the technical problem.
Referring to fig. 1-3, the present embodiment provides a novel battery frame and cover plate welding device 10, which includes a bottom plate 100, an upper cover plate 200, a lower cover plate 300, a frame 400, a long side positioning mechanism 500, a short side positioning mechanism 600, and a welding mechanism (not shown); the lower cover plate 300, the frame 400 and the upper cover plate 200 are sequentially arranged on the bottom plate 100 from bottom to top; the long-side positioning mechanism 500 is disposed on the bottom plate 100 and configured to abut against an outer side wall on one side of the long side of the bezel 400, the long side of the upper cover plate 200, and the long side of the lower cover plate 300 at the same time; the short edge positioning mechanism 600 is disposed on the bottom plate 100 and is configured to abut against an outer sidewall of one side of the short edge of the frame 400, the short edge of the upper cover plate 200, and the short edge of the lower cover plate 300 at the same time; the welding mechanism is disposed at one side of the base plate 100, and is used for welding the upper cover plate 200 and the frame 400 and welding the lower cover plate 300 and the frame 400.
In this embodiment, the upper cover plate 200 and the lower cover plate 300 are both rectangular cover plates, and the frame 400 is a rectangular frame 400; the lower cover plate 300, the frame 400 and the upper cover plate 200 are disposed in the middle of the bottom plate 100, and the lower cover plate 300, the frame 400 and the upper cover plate 200 are sequentially stacked on the bottom plate 100 from bottom to top, and the lower cover plate 300, the frame 400 and the upper cover plate 200 may be placed on the bottom plate 100 by, for example, a lifting mechanism (not shown) including an air cylinder, or may be manually placed on the bottom plate 100. The long side positioning mechanism 500 and the short side positioning mechanism 600 are disposed on the outer side of the frame 400, and the welding mechanism may be a laser welding machine.
In the process of welding the cover plate and the frame 400, firstly, the lower cover plate 300, the frame 400 and the upper cover plate 200 are sequentially stacked on the bottom plate 100 from bottom to top, then, the long-edge positioning mechanism 500 is utilized to be simultaneously abutted against the outer side wall on one side of the long edge of the frame 400, the long edge of the upper cover plate 200 and the long edge of the lower cover plate 300, the short-edge positioning mechanism 600 is utilized to be simultaneously abutted against the outer side wall on one side of the short edge of the frame 400, the short edge of the upper cover plate 200 and the short edge of the lower cover plate 300, so that the peripheries of the frame 400, the lower cover plate 300 and the upper cover plate 200 are all positioned, and at the moment, the upper cover plate 200 and the frame 400, the lower cover plate 300 and the frame 400 are respectively welded by utilizing a laser welding machine; through fixing a position earlier and welding, just be difficult for the dislocation between upper cover plate 200 and the frame 400, also be difficult for the dislocation between lower apron plate 300 and the frame 400, this has just promoted the welding uniformity, has also promoted assembly and operating efficiency, and is difficult to cause rosin joint, explode some, the poor scheduling problem of welding leakproofness.
Further, the long-side positioning mechanism 500 includes a long-side fixing component 510 and a long-side moving component 520, and the frame 400 has a first long-side sidewall 410 and a second long-side sidewall 420 which are opposite to each other; the long-side fixing component 510 is fixedly arranged on one side of the first long-side wall 410 and abuts against the first long-side wall 410, one long side of the upper cover plate 200 and one long side of the lower cover plate 300; the long-side movable assembly 520 is movably disposed on one side of the second long-side sidewall 420 and is used for abutting against the second long-side sidewall 420, the other long side of the upper cover plate 200, and the other long side of the lower cover plate 300.
In this embodiment, the long-side fixing component 510 is fixedly disposed on the bottom plate 100 and is always abutted against the first long-side sidewall 410, one long side of the upper cover plate 200, and one long side of the lower cover plate 300; the long-side movable element 520 is movably disposed on the bottom plate 100, and the moving direction of the long-side movable element 520 is a direction approaching or departing from the long-side fixed element 510.
In the process of positioning the long-side sidewall of the bezel 400, the long side of the upper cover plate 200, and the long side of the lower cover plate 300, first, the first long-side sidewall 410 of the bezel 400, the long side of one side of the upper cover plate 200, and the long side of one side of the lower cover plate 300 are abutted against the long-side fixing member 510; remove long limit movable assembly 520 again, make long limit movable assembly 520 simultaneously with the long limit lateral wall 420 of the second of frame 400, the long limit looks butt of the long limit of opposite side of upper cover plate 200 and lower cover plate 300, long limit fixed component 510 and long limit movable assembly 520 cooperate the long limit lateral wall of frame 400, the long limit of upper cover plate 200 and the long limit of lower cover plate 300 have been fixed a position, make first long limit lateral wall 410 of frame 400, the long limit of one side of upper cover plate 200 and the long limit of one side of lower cover plate 300 are located same straight line, and make the long limit lateral wall 420 of the long limit of second of frame 400, the long limit of opposite side of upper cover plate 200 and the long limit of the other side of lower cover plate 300 are located same straight line, and then be convenient for weld.
Further, the long-side movable assembly 520 includes a first cylinder 521 and a first positioning member 522, the first cylinder 521 is disposed on the bottom plate 100, a piston rod of the first cylinder 521 is connected to the first positioning member 522, and the first positioning member 522 is configured to abut against the second long-side sidewall 420, the other long side of the upper cover 200, and the other long side of the lower cover 300.
In this embodiment, the number of the long-side movable assemblies 520 includes a plurality, the plurality of long-side movable assemblies 520 are sequentially arranged along the length direction of the frame 400, the number of the long-side fixed assemblies 510 also includes a plurality, and the plurality of long-side fixed assemblies 510 are sequentially arranged along the length direction of the frame 400; the plurality of first cylinders 521 are all fixedly disposed on the bottom plate 100, the end portions of the piston rods of the first cylinders 521 are connected to the corresponding first positioning members 522, and the moving direction of the piston rods of the first cylinders 521 is a direction close to or far away from the long-side fixing assembly 510.
Through setting up a plurality of long limit movable assembly 520 and a plurality of long limit fixed assembly 510, a plurality of long limit fixed assembly 510 support simultaneously and hold in first long limit lateral wall 410, the long limit of one side of upper cover plate 200 and the long limit of one side of lower cover plate 300, a plurality of first cylinders 521 drive the motion of corresponding first locating piece 522, until a plurality of first locating pieces 522 support and hold in second long limit lateral wall 420, the long limit of the opposite side of upper cover plate 200 and the long limit of the opposite side of lower cover plate 300, thereby long limit lateral wall to frame 400, the long limit of upper cover plate 200 and the long limit of lower cover plate 300 have been fixed a position.
Further, referring to fig. 4, the bottom plate 100 is provided with a first limiting member 110, the first positioning member 522 is provided with a first positioning portion 5221, and the first positioning member 522 abuts against the second long-side sidewall 420, the other long side of the upper cover plate 200 and the other long side of the lower cover plate 300 under the condition that the first positioning portion 5221 abuts against the first limiting member 110.
In this embodiment, the first limiting members 110 are disposed between the bottom plate 100 and the first positioning members 522, the number of the first limiting members 110 includes a plurality, and the plurality of first limiting members 110 correspond to the plurality of first positioning members 522 one by one; the first limiting member 110 includes a first limiting portion 111, the first limiting portion 5221 abuts against the first limiting portion 111 under the condition that the first limiting member 522 abuts against the second long-side sidewall 420, the other long side of the upper cover plate 200 and the other long side of the lower cover plate 300, so as to limit the plurality of first limiting members 522 synchronously, so that the plurality of first limiting members 522 are kept on the same straight line when extending out, and further, it can be ensured that the second long-side sidewall 420, the other long side of the upper cover plate 200 and the other long side of the lower cover plate 300 are located on the same straight line.
Further, short edge positioning mechanism 600 includes a short edge fixing component 610 and a short edge moving component 620, and bezel 400 has a first short edge sidewall 430 and a second short edge sidewall 440 opposite to each other; the short edge fixing component 610 is fixedly arranged on one side of the first short edge side wall 430 and abuts against the first short edge side wall 430, one short edge of the upper cover plate 200 and one short edge of the lower cover plate 300; the short side movable assembly 620 is movably disposed on one side of the second short side wall 440 and is used for abutting against the second short side wall 440, the other short side of the upper cover plate 200, and the other short side of the lower cover plate 300.
In this embodiment, the short-side fixing component 610 is fixedly disposed on the bottom plate 100 and is always abutted against the first short-side wall 430, one short side of the upper cover plate 200 and one short side of the lower cover plate 300; the short side movable element 620 is movably disposed on the bottom plate 100, and the moving direction of the short side movable element 620 is a direction approaching or departing from the short side fixed element 610.
In the process of positioning the short side wall of the frame 400, the short side of the upper cover plate 200 and the short side of the lower cover plate 300, first, the first short side wall 430 of the frame 400, the short side of one side of the upper cover plate 200 and the short side of one side of the lower cover plate 300 are abutted to the short side fixing member 610; and then the short edge movable assembly 620 is moved, so that the short edge movable assembly 620 is simultaneously abutted to the second short edge side wall 440, the short edge of the other side of the upper cover plate 200 and the short edge of the other side of the lower cover plate 300, the short edge fixed assembly 610 and the short edge movable assembly 620 are matched to position the short edge side wall of the frame 400, the short edge of the upper cover plate 200 and the short edge of the lower cover plate 300, so that the first short edge side wall 430 of the frame 400, the short edge of one side of the upper cover plate 200 and the short edge of one side of the lower cover plate 300 are positioned on the same straight line, and the second short edge side wall 440 of the frame 400, the short edge of the other side of the upper cover plate 200 and the short edge of the other side of the lower cover plate 300 are positioned on the same straight line, thereby facilitating welding.
Further, referring to fig. 5, the short side moving assembly 620 includes a second cylinder 621 and a second positioning member 622, the second cylinder 621 is disposed on the bottom plate 100, a piston rod of the second cylinder 621 is connected to the second positioning member 622, and the second positioning member 622 is used for abutting against the second short side wall 440, the short side of the other side of the upper cover plate 200, and the short side of the other side of the lower cover plate 300.
In this embodiment, the second cylinder 621 is fixed on the bottom board 100, an end of a piston rod of the second cylinder 621 is connected to the second positioning element 622, and a moving direction of the piston rod of the second cylinder 621 is a direction approaching to or departing from the short-side fixing component 610.
The short-side fixing component 610 abuts against the first short-side wall 430, the short side of one side of the upper cover plate 200 and the short side of one side of the lower cover plate 300 at the same time, and the second cylinder 621 drives the second positioning element 622 to move until the second positioning element 622 abuts against the second short-side wall 440, the short side of the other side of the upper cover plate 200 and the short side of the other side of the lower cover plate 300, so that the short-side wall of the frame 400, the short side of the upper cover plate 200 and the short side of the lower cover plate 300 are positioned.
Further, a second limiting member 6211 is disposed on the second cylinder 621, and the second positioning member 622 abuts against the second short-side wall 440, the short side of the upper cover plate 200 and the short side of the lower cover plate 300 under the abutting action of the second limiting member 6211.
In this embodiment, the second cylinder 621 is a sliding table cylinder, the second limiting member 6211 is disposed on the sliding table cylinder, the second limiting member 6211 is a limiting screw member, the second positioning member 622 abuts against the second short-side wall 440 under the condition that the sliding table of the sliding table cylinder itself abuts against the limiting screw member, the other side short side of the upper cover plate 200 and the other side short side of the lower cover plate 300, so that the moving distance of the second positioning member 622 is limited, the second positioning member 622 is made to abut against the second short-side wall 440, the other side short side of the upper cover plate 200 and the other side short side of the lower cover plate 300 at the same time when extending out, and the second short-side wall 440, the other side short side of the upper cover plate 200 and the other side short side of the lower cover plate 300 are ensured to be located on the same straight line.
In addition, the novel battery frame and cover plate welding device 10 further comprises a top plate 700, a pressing assembly 800 and a fillet adjusting assembly 900, wherein the top plate 700 is arranged at the top of the upper cover plate 200 and is attached to the upper cover plate 200; the pressing assembly 800 is arranged on the bottom plate 100 and is used for pressing the top plate 700 and the upper cover plate 200; the corner adjusting assembly 900 is movably disposed on the base plate 100 and is used for adjusting the corners of the frame 400.
In this embodiment, after the long side positioning mechanism 500 and the short side positioning mechanism 600 are used to position the lower cover plate 300, the frame 400, and the upper cover plate 200, the top plate 700 is placed on the upper cover plate 200, and the lower cover plate 300, the frame 400, and the upper cover plate 200 are compressed; the top plate 700 includes a top plate main body 710 and a plurality of extension plates 720, the top plate main body 710 is a substantially rectangular plate, the plurality of extension plates 720 are connected to the top plate main body 710, and the length direction of the extension plates 720 is perpendicular to the length direction of the top plate main body 710; the number of the pressing assemblies 800 includes a plurality, and the number of the pressing assemblies 800 is twice the number of the extension plates 720, for example, when the number of the extension plates 720 is three, the number of the pressing assemblies 800 is six; each two pressing assemblies 800 correspond to one extending plate 720 and are positioned at two ends of the extending plate 720.
After the top plate 700 is used for compressing the lower cover plate 300, the frame 400 and the upper cover plate 200, the compressing components 800 are used for compressing the two ends of the extending plate 720, and the compressing force of the top plate 700 on the lower cover plate 300, the frame 400 and the upper cover plate 200 is further enhanced, so that the lower cover plate 300, the frame 400 and the upper cover plate 200 are not easy to be dislocated.
Further, referring to fig. 6, the pressing assembly 800 includes a third cylinder 810 and a pressing member 820, the third cylinder 810 is a rotary pressing cylinder, a piston rod of the rotary pressing cylinder can move vertically and rotate, and an end of the piston rod of the rotary pressing cylinder is connected to the pressing member 820; after the top plate 700 is used for compressing the lower cover plate 300, the frame 400 and the upper cover plate 200, the third cylinder 810 is used for driving the compressing member 820 to lift and rotate until the compressing member 820 is compressed on the corresponding extending plate 720, so that the top plate 700 is compressed.
Referring to fig. 7, the corner adjusting assembly 900 includes four sliding blocks 910 and four positioning bolts 920, the four sliding blocks 910 are movably disposed at four corners of the frame 400; the bottom plate 100 is provided with four sliding grooves 120, the four sliding grooves 120 correspond to four sliding blocks 910 respectively, the sliding blocks 910 are movably arranged in the sliding grooves 120, the inner bottom wall of the sliding grooves 120 is provided with a plurality of positioning holes, the sliding blocks 910 are provided with waist-shaped holes, and the positioning bolts 920 are inserted into the waist-shaped holes and are used for matching with the corresponding positioning holes to position the sliding blocks 910; one side of the sliding block 910 facing the bezel 400 is provided with a recessed portion 911, and a surface of the recessed portion 911 is an arc surface for being attached to a surface of a corner of the bezel 400.
When the fillet at the corner of the frame 400 needs to be adjusted, the sliding block 910 is moved, so that the arc surface of the concave part 911 is attached to the corresponding corner of the frame 400, and the fillet at the corner of the frame 400 is adjusted.
In addition, a cell is arranged in a space surrounded by the frame 400, the lower cover plate 300 and the upper cover plate 200, and the cell is provided with a positive pole and a negative pole which penetrate through the first long-side wall 410 of the frame 400 and extend outwards; correspondingly, novel battery frame and apron welding set 10 still includes utmost point post setting element 150, and the quantity of utmost point post setting element 150 includes two, corresponds just, the negative pole post of battery respectively, and two utmost point post setting elements 150 set firmly on bottom plate 100, and the butt all the time just, the negative pole post in correspondence to just, the negative pole post is fixed a position well.
In addition, novel battery frame and apron welding set 10 still includes the sucking disc subassembly, all is provided with this sucking disc subassembly on long limit positioning mechanism 500 and the minor face positioning mechanism 600, and the sucking disc subassembly is used for sucking tight frame 400.
After the long side positioning mechanism 500 and the short side positioning mechanism 600 are used for positioning the frame 400, the upper cover plate 200 and the lower cover plate 300, the suction cup assembly is used for tightly sucking the frame 400, so that the positioning effect is further enhanced.
Further, referring to fig. 8, the suction cup assembly includes a suction cup, a control valve 160 and a suction pump, the control valve 160 is connected between the suction cup and the vacuum pump; one or more suckers are arranged on the side walls of the long-side fixing component 510, the short-side fixing component 610, the first positioning piece 522, the second positioning piece 622 and the pole positioning piece 150 facing the frame 400; the number of the control valves 160 includes a plurality of control valves for controlling the suction and release of the suction cups on the first positioning member 522 and the second positioning member 622, the suction and release of the suction cups on the long side fixing assembly 510, the short side fixing assembly 610 and the pole positioning member 150, the movement of the first air cylinder 521, the movement of the second air cylinder 621, and the movement of the third air cylinder 810, respectively.
In addition, referring to fig. 9, the top surface of the bottom plate 100 is provided with a groove 130, the groove 130 functions as a suction cup, the inner bottom wall of the groove 130 is provided with a plurality of suction holes, the side wall of the bottom plate 100 is provided with suction holes, the suction holes are communicated with the suction holes, a control valve 160 is further provided to be communicated with the suction holes, negative pressure is pumped into the groove 130 by a suction pump, when the lower cover plate 300 is placed on the bottom plate 100, the lower cover plate 300 can be tightly sucked on the bottom plate 100, so as to position the lower cover plate 300.
The control valve 160 may be a manual valve or an electromagnetic valve, and the suction pump may be a vacuum pump.
In addition, the novel battery frame and cover plate welding device 10 further comprises a turnover mechanism (not shown in the figure), wherein the turnover mechanism comprises a servo motor, and the turnover mechanism is connected to the bottom plate 100 through the servo motor; referring to fig. 10, the bottom surface of the bottom plate 100 is provided with a plurality of through holes 140 on the circumferential path of the frame 400.
After the upper cover plate 200 and the frame 400 are welded, the bottom plate 100 is turned over by 180 degrees by using the turning mechanism so that the bottom surface of the bottom plate 100 faces upward, and then the lower cover plate 300 and the frame 400 are welded, since the laser welding machine welds the lower cover plate 300 and the frame 400 through the through hole 140, the first welding of the lower cover plate 300 and the frame 400 is pre-welding.
In addition, referring to fig. 11, the novel battery frame and cover plate welding apparatus 10 further includes a debugging standard block 170, the debugging standard block 170 is substantially the same as the shape of the battery, and before welding the frame 400, the upper cover plate 200 and the lower cover plate 300 of the battery, the debugging standard block 170 is first disposed on the bottom plate 100 to debug and position the long side positioning mechanism 500, the short side positioning mechanism 600, the fillet adjusting mechanism, and the like.
The embodiment further provides a welding method, which is applied to the novel battery frame and cover plate welding device 10, and the welding method comprises the following steps:
s1, placing the lower cover plate 300, the frame 400 and the upper cover plate 200 on the bottom plate 100 in sequence.
S2, long side positioning means 500 and short side positioning means 600 abut against bezel 400, lower cover 300, and upper cover 200.
S3, pressing the top plate 700 and the upper cover plate 200 by the pressing assembly 800.
S4, the upper cover plate 200 and the bezel 400 are welded by a welding mechanism.
And S5, turning the bottom plate 100 to the bottom surface of the bottom plate upwards by using a turning mechanism.
S6, pre-welding the lower cover plate 300 and the frame 400 by using a welding mechanism.
And S7, turning the bottom plate 100 to the top surface of the bottom plate upwards by using a turning mechanism.
S8, taking out the welded upper cover plate 200, lower cover plate 300, and frame 400, and welding the lower cover plate 300 and frame 400 again by the welding mechanism.
The beneficial effects of the welding method are substantially the same as those of the novel battery frame and cover plate welding device 10, and are not described herein again.
In summary, the embodiment of the present invention provides a novel device 10 for welding a battery frame and a cover plate and a welding method, in the process of welding a frame 400, an upper cover plate 200 and a lower cover plate 300, firstly, the lower cover plate 300 is placed on a bottom plate 100 and the lower cover plate 300 is tightly sucked on the bottom plate 100, then, the frame 400 and the upper cover plate 200 are sequentially placed on the lower cover plate 300, and then, a long side positioning mechanism 500 and a short side positioning mechanism 600 are utilized to abut against the frame 400, the lower cover plate 300 and the upper cover plate 200 and tightly suck the side wall of the frame 400, so that the long sides and the short sides of the frame 400, the lower cover plate 300 and the upper cover plate 200 are respectively flush; then, the pressing assembly 800 is used for pressing the top plate 700 onto the upper cover plate 200, and then the welding mechanism is used for welding the upper cover plate 200 and the frame 400; then, the bottom plate 100 is turned over by the turning mechanism until the bottom surface of the bottom plate faces upwards, and the lower cover plate 300 and the frame 400 are pre-welded by the welding mechanism; and then, the bottom plate 100 is turned over to the top surface of the bottom plate upwards by using the turning mechanism, the upper cover plate 200, the lower cover plate 300 and the frame 400 which are welded into a whole are taken down, and the lower cover plate 300 and the frame 400 are welded for the second time by using the welding mechanism to complete the welding of the cover plate and the frame 400.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A novel welding device for a battery frame and a cover plate is characterized by comprising a bottom plate, an upper cover plate, a lower cover plate, a frame, a long-edge positioning mechanism, a short-edge positioning mechanism and a welding mechanism;
the lower cover plate, the frame and the upper cover plate are sequentially arranged on the bottom plate from bottom to top;
the long edge positioning mechanism is arranged on the bottom plate and is used for simultaneously abutting against the outer side wall of one side of the long edge of the frame, the long edge of the upper cover plate and the long edge of the lower cover plate;
the short edge positioning mechanism is arranged on the bottom plate and is used for simultaneously abutting against the outer side wall on one side of the short edge of the frame, the short edge of the upper cover plate and the short edge of the lower cover plate;
the welding mechanism is arranged on one side of the bottom plate and used for welding the upper cover plate and the frames and the lower cover plate and the frames.
2. The novel welding device for the battery frame and the cover plate according to claim 1, wherein the long-side positioning mechanism comprises a long-side fixing component and a long-side moving component, and the frame is provided with a first long-side wall and a second long-side wall which are opposite;
the long-edge fixing assembly is fixedly arranged on one side of the first long-edge side wall and is abutted against the first long-edge side wall, one long edge of the upper cover plate and one long edge of the lower cover plate;
the long-edge movable assembly is movably arranged on one side of the second long-edge side wall and is used for being abutted to the second long-edge side wall, the long edge of the other side of the upper cover plate and the long edge of the other side of the lower cover plate.
3. The novel battery frame and cover plate welding device according to claim 2, wherein the long-side movable assembly comprises a first cylinder and a first positioning member, the first cylinder is arranged on the bottom plate, a piston rod of the first cylinder is connected with the first positioning member, and the first positioning member is used for abutting against the side wall of the second long side, the other long side of the upper cover plate and the other long side of the lower cover plate.
4. The novel welding device for the battery frame and the cover plate according to claim 3, wherein a first limiting part is arranged on the bottom plate, a first positioning part is arranged on the first positioning part, and the first positioning part abuts against the second long-side wall, the other long side of the upper cover plate and the other long side of the lower cover plate under the condition that the first positioning part abuts against the limiting part.
5. The novel battery frame and cover plate welding device of claim 1, wherein the short edge positioning mechanism comprises a short edge fixing component and a short edge moving component, and the frame is provided with a first short edge side wall and a second short edge side wall which are opposite;
the short edge fixing assembly is fixedly arranged on one side of the first short edge side wall and is abutted against the first short edge side wall, one short edge of the upper cover plate and one short edge of the lower cover plate;
the short edge movable assembly is movably arranged on one side of the second short edge side wall and is used for being abutted against the second short edge side wall, the short edge on the other side of the upper cover plate and the short edge on the other side of the lower cover plate.
6. The novel welding device for the battery frame and the cover plate according to claim 5, wherein the short side movable assembly comprises a second cylinder and a second positioning piece, the second cylinder is arranged on the bottom plate, a piston rod of the second cylinder is connected with the second positioning piece, and the second positioning piece is used for abutting against the side wall of the second short side, the short side of the other side of the upper cover plate and the short side of the other side of the lower cover plate.
7. The novel device for welding the battery frame and the cover plate according to claim 6, wherein a second limiting member is disposed on the second cylinder, and the second positioning member abuts against the second short-side wall, the other short side of the upper cover plate, and the other short side of the lower cover plate under the abutting action of the second limiting member.
8. The novel welding device for the battery frame and the cover plate according to claim 1, further comprising a top plate, a pressing assembly and a fillet adjusting assembly, wherein the top plate is arranged at the top of the upper cover plate and is attached to the upper cover plate;
the pressing assembly is arranged on the bottom plate and is used for pressing the top plate and the upper cover plate;
the fillet adjusting assembly is movably arranged on the bottom plate and used for adjusting the corners of the frame.
9. The novel device for welding the battery frame and the cover plate according to claim 1, further comprising a suction cup assembly, wherein the long side positioning mechanism and the short side positioning mechanism are both provided with suction cup assemblies, and the suction cup assemblies are used for tightly sucking the frame.
10. The welding method is applied to the novel battery frame and cover plate welding device as claimed in any one of claims 1 to 9, and further comprises a top plate, a pressing assembly and a turnover mechanism, wherein the pressing assembly is arranged on the bottom plate, and the turnover mechanism is arranged on one side of the bottom plate and connected with the bottom plate and used for driving the bottom plate to turn over; the welding method comprises the following steps:
placing the lower cover plate, the frame and the upper cover plate on the bottom plate in sequence;
the long-edge positioning mechanism and the short-edge positioning mechanism are utilized to abut against the frame, the lower cover plate and the upper cover plate;
compressing the top plate and the upper cover plate by using a compressing assembly;
welding the upper cover plate and the frame by using the welding mechanism;
the bottom plate is turned over to the bottom surface of the bottom plate upwards by the turning mechanism;
pre-welding the lower cover plate and the frame by using the welding mechanism;
the bottom plate is turned over to the top surface of the bottom plate upwards by the turning mechanism;
and taking out the upper cover plate, the lower cover plate and the frame which are welded into a whole, and welding the lower cover plate and the frame again by using the welding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210349837.1A CN114523246A (en) | 2022-04-02 | 2022-04-02 | Novel battery frame and cover plate welding device and welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210349837.1A CN114523246A (en) | 2022-04-02 | 2022-04-02 | Novel battery frame and cover plate welding device and welding method |
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| CN114523246A true CN114523246A (en) | 2022-05-24 |
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| CN202210349837.1A Pending CN114523246A (en) | 2022-04-02 | 2022-04-02 | Novel battery frame and cover plate welding device and welding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986062A (en) * | 2022-08-03 | 2022-09-02 | 中致达智能电气股份有限公司 | Fixed frock is used in distribution box back shroud spot welding |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019597A (en) * | 2001-07-03 | 2003-01-21 | Matsushita Electric Ind Co Ltd | Framework welding equipment for mask frame |
| CN202317558U (en) * | 2011-11-03 | 2012-07-11 | 南车石家庄车辆有限公司 | Assembling reverse welding tooling for X 70 type container flatcar beam composition |
| CN102832292A (en) * | 2012-09-13 | 2012-12-19 | 苏州晟成新能源科技有限公司 | servo drive pack frame machine |
| CN211840655U (en) * | 2020-01-20 | 2020-11-03 | 瑞浦能源有限公司 | Laser prewelding clamp |
| CN212217501U (en) * | 2020-02-14 | 2020-12-25 | 大族激光科技产业集团股份有限公司 | Power battery positioning pre-spot welding device |
| CN213576546U (en) * | 2020-10-22 | 2021-06-29 | 合肥句号智能科技有限公司 | Computer network controller elevating gear |
| CN214518483U (en) * | 2021-01-22 | 2021-10-29 | 大族激光科技产业集团股份有限公司 | Battery top cap weldment work platform |
-
2022
- 2022-04-02 CN CN202210349837.1A patent/CN114523246A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019597A (en) * | 2001-07-03 | 2003-01-21 | Matsushita Electric Ind Co Ltd | Framework welding equipment for mask frame |
| CN202317558U (en) * | 2011-11-03 | 2012-07-11 | 南车石家庄车辆有限公司 | Assembling reverse welding tooling for X 70 type container flatcar beam composition |
| CN102832292A (en) * | 2012-09-13 | 2012-12-19 | 苏州晟成新能源科技有限公司 | servo drive pack frame machine |
| CN211840655U (en) * | 2020-01-20 | 2020-11-03 | 瑞浦能源有限公司 | Laser prewelding clamp |
| CN212217501U (en) * | 2020-02-14 | 2020-12-25 | 大族激光科技产业集团股份有限公司 | Power battery positioning pre-spot welding device |
| CN213576546U (en) * | 2020-10-22 | 2021-06-29 | 合肥句号智能科技有限公司 | Computer network controller elevating gear |
| CN214518483U (en) * | 2021-01-22 | 2021-10-29 | 大族激光科技产业集团股份有限公司 | Battery top cap weldment work platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986062A (en) * | 2022-08-03 | 2022-09-02 | 中致达智能电气股份有限公司 | Fixed frock is used in distribution box back shroud spot welding |
| CN114986062B (en) * | 2022-08-03 | 2022-12-09 | 中致达智能电气股份有限公司 | Fixed frock is used in distribution box back shroud spot welding |
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