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CN115805371B - Multi-angle seamless welding equipment for bipolar plate of hydrogen energy automobile - Google Patents

Multi-angle seamless welding equipment for bipolar plate of hydrogen energy automobile Download PDF

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Publication number
CN115805371B
CN115805371B CN202310040637.2A CN202310040637A CN115805371B CN 115805371 B CN115805371 B CN 115805371B CN 202310040637 A CN202310040637 A CN 202310040637A CN 115805371 B CN115805371 B CN 115805371B
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plate
fixed
driving
limiting
top plate
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CN115805371A (en
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傅煜
朱永明
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Suzhou Shixin Metal Technology Co ltd
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Seksun Technology Suzhou Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

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Abstract

The invention discloses multi-angle seamless welding equipment for a bipolar plate of a hydrogen energy automobile, which relates to the technical field of bipolar plate welding and comprises the following components: a bottom plate; the at least four upright posts are respectively arranged on the upper end face of the bottom plate; the top plate is arranged on the upright post; the rotary cylinders are configured into four, symmetrically fixed on the lower end face of the top plate, and the output ends of the rotary cylinders penetrate through the top plate and are fixedly provided with pressing claws, and the pressing claws are fixedly provided with magnetic pieces; the limiting plate is detachably arranged on the upper end face of the top plate; the pressing component is arranged on the limiting plate in a sliding manner; the four corners of the bipolar plate are provided with positioning columns which are arranged on the upper end face of the top plate, and the positioning columns fix the bipolar plate through electromagnets fixed on the lower end face of the top plate; according to the invention, the four corners of the bipolar plate can be positioned and pressed through the positioning column and the electromagnet, and when welding, the micro deformation of the welding position is avoided through the joint movement of the pressing component along with the welding head, so that the welding tightness is improved.

Description

Multi-angle seamless welding equipment for bipolar plate of hydrogen energy automobile
Technical Field
The invention relates to the technical field of bipolar plate welding, in particular to multi-angle seamless welding equipment for a bipolar plate of a hydrogen energy automobile.
Background
Bipolar plates, also known as current collector plates, are one of the important components of fuel cells. The bipolar plate generally uses laser welding to guarantee the leakproofness when carrying out the welding, and current bipolar plate welding set generally adopts to press bipolar plate four corners position when the welding, later welds, but presses through the four corners and can lead to taking place tiny deformation in the place of keeping away from bipolar plate four corners position, leads to the welding seam too big and influences the leakproofness, and the platform of fixed bipolar plate can not carry out angle modulation.
The invention provides multi-angle seamless welding equipment for a bipolar plate of a hydrogen energy automobile, aiming at solving the problems.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a multi-angle seamless welding apparatus for a bipolar plate of a hydrogen energy automobile, comprising:
a bottom plate;
the upright posts are at least four and are respectively arranged at four corners of the upper end surface of the bottom plate;
a top plate mounted on the upright;
the four rotary cylinders are symmetrically fixed on the lower end face of the top plate, the output ends of the rotary cylinders penetrate through the top plate, pressing claws are fixed on each rotary cylinder, and magnetic pieces are fixed on the pressing claws;
the limiting plate is detachably arranged on the upper end face of the top plate;
the pressing component is arranged on the limiting plate in a sliding manner; and
the bipolar plate, its four angular positions adopt the reference column to install the up end of roof, just the reference column is fixed the bipolar plate through fixing the electro-magnet of roof lower terminal surface.
Further, preferably, the upright includes:
the two ends of the outer cylinder are respectively and slidably arranged in the bottom plate and the top plate;
limiting rings are symmetrically fixed at two ends of the outer cylinder; and
the automatic telescopic rods are arranged in two and symmetrically fixed in the outer cylinder, and the output ends of the two automatic telescopic rods are respectively hinged to the bottom plate and the top plate.
Further, preferably, the shape of the limiting plate is the same as that of the bipolar plate, a sliding groove is formed in the limiting plate, a first limiting groove and a second limiting groove are formed in the inner walls of two sides of the sliding groove respectively, and a third limiting groove is formed in the position, away from the bipolar plate, of the limiting plate.
Further, preferably, the pressing assembly includes:
the driving assembly is arranged in the sliding groove in a sliding way;
the lifting plate is arranged on the driving assembly in a vertically sliding way;
a heat radiating plate fixed on one side of the lifting plate, which is close to the bipolar plate;
the pressing rods are symmetrically fixed on the heat dissipation plate;
the pressing roller is rotationally arranged at one side of the pressing rod, which is close to the driving assembly, by adopting a rotating shaft;
the air blowing fans are configured into three and fixed on one side of the heat dissipation plate far away from the lifting plate and are respectively positioned at two sides and the middle position of the pressing rod;
the lifting device is fixed on the lifting plate, and the output end of the lifting device is connected with the driving assembly;
the two hinge rods are arranged, one ends of the hinge rods are symmetrically hinged on the lifting plate, and torsion springs are arranged at the hinge positions; and
the telescopic column rotates and sets up the other end of articulated pole, just the telescopic end rotation of telescopic column is provided with spacing wheel, but spacing wheel rolling sets up in the spacing inslot three.
Further, preferably, the rotating shafts of the rotating shaft and the blowing fan extend into the heat dissipation plate, and are engaged and driven through the bevel gear set.
Further, preferably, the driving assembly includes:
a driving plate, the inside of which is fixed with a driving motor;
the driving teeth are fixed at the output end of the driving motor;
the second driving wheel is fixed on one end face, far away from the driving motor, of the driving tooth, and rolls in the second limiting groove;
the at least four sliding columns are fixed on the upper end face of the driving plate and are in sliding connection with the lifting plate;
one end of the connecting shaft is fixed at the axial center position of the driving wheel II, and the other end of the connecting shaft is rotatably arranged at the output end of the lifting device;
the driven teeth are rotatably arranged on the driving plate and are meshed with the driving teeth for transmission; and
the first driving tooth adopts an extension shaft to be fixed on the lower end face of the driven tooth, and rolls in the first limiting groove.
Compared with the prior art, the invention provides multi-angle seamless welding equipment for the bipolar plate of the hydrogen energy automobile, which has the following beneficial effects:
according to the invention, the four corners of the bipolar plate can be positioned and pressed through the positioning columns and the electromagnets, and when welding, the pressing component moves together with the welding head, so that the micro deformation of the welding position is avoided, the welding tightness is greatly improved, when the pressing component moves, the welding position on the surface of the bipolar plate can be cleaned before welding through the three blowing fans, sundries during welding are avoided, cooling is realized during welding, the welding temperature is avoided to be too high, cleaning and cooling after welding are avoided, welding residues are avoided to exist in a welding path, the temperature of the welding surface is further reduced, and the cooling effect is improved.
Drawings
FIG. 1 is an overall schematic diagram of a multi-angle seamless welding apparatus for a bipolar plate of a hydrogen energy vehicle;
FIG. 2 is a schematic cross-sectional view of a limiting plate of a multi-angle seamless welding device for a bipolar plate of a hydrogen energy automobile;
FIG. 3 is a schematic diagram of a pressing assembly of a multi-angle seamless welding device for a bipolar plate of a hydrogen energy automobile;
FIG. 4 is a schematic view of the inside of a heat dissipating plate of a multi-angle seamless welding device for a bipolar plate of a hydrogen energy automobile;
FIG. 5 is a schematic diagram of a drive assembly of a multi-angle seamless welding apparatus for a bipolar plate of a hydrogen energy vehicle;
in the figure: 1. a bottom plate; 2. a column; 3. a top plate; 4. a rotary cylinder; 5. a limiting plate; 6. a pressing assembly; 7. a bipolar plate; 8. positioning columns; 21. an outer cylinder; 22. an automatic telescopic rod; 23. a limiting ring; 41. a pressing claw; 42. a magnetic member; 51. a sliding groove; 52. a first limit groove; 53. a limiting groove II; 54. a limit groove III; 61. a drive assembly; 62. a lifting plate; 63. a heat dissipation plate; 64. pressing a pressing rod; 65. pressing rollers; 66. an air blowing fan; 67. a lifting device; 68. a hinge rod; 69. a telescopic column; 651. a rotating shaft; 652. a bevel gear set; 611. a driving plate; 612. a driving tooth; 613. a second driving wheel; 614. a sliding column; 615. a connecting shaft; 616. driven teeth; 617. and driving the first tooth.
Description of the embodiments
Referring to fig. 1 to 5, the invention provides a technical scheme that: a multi-angle seamless welding apparatus for a bipolar plate of a hydrogen energy automobile, comprising:
a base plate 1;
the upright posts 2 are at least four and are respectively arranged at four corners of the upper end surface of the bottom plate 1;
a top plate 3 mounted on the upright post 2;
the rotary cylinders 4 are configured to be four and symmetrically fixed on the lower end face of the top plate 3, the output ends of the rotary cylinders 4 penetrate through the top plate 3, pressing claws 41 are fixed on each rotary cylinder 4, and magnetic pieces 42 are fixed on the pressing claws 41;
the limiting plate 5 is detachably arranged on the upper end face of the top plate 3;
the pressing component 6 is arranged on the limiting plate 5 in a sliding manner; and
the bipolar plate 7, the four corners of the bipolar plate 7 are provided with positioning posts 8 on the upper end surface of the top plate 3, and the positioning posts 8 fix the bipolar plate 7 by an electromagnet fixed on the lower end surface of the top plate 3.
It should be noted that the pressing assembly 6 is always located below the laser welding head, and the rotary cylinder 4 is a 90 ° cylinder.
In this embodiment, the upright 2 includes:
an outer cylinder 21 having both ends slidably disposed in the bottom plate 1 and the top plate 3, respectively;
limiting rings 23 symmetrically fixed at two ends of the outer cylinder 21; and
the number of the automatic telescopic rods 22 is two, the automatic telescopic rods 22 are symmetrically fixed in the outer cylinder 21, and the output ends of the two automatic telescopic rods 22 are respectively hinged to the bottom plate 1 and the top plate 3.
That is, when plane welding is required, the limiting rings 23 are led into the bottom plate 1 and the top plate 3 through the automatic telescopic rods 22, so that the bottom plate 1 supports the top plate 3, stability is improved, when angle welding is required, the limiting rings 23 at two ends of the outer cylinder 21 are separated from the bottom plate 1 and the top plate 3 through common telescopic operation of the two automatic telescopic rods 22, and then the two automatic telescopic rods 22 are respectively and independently telescopic, so that angle adjustment is performed.
In this embodiment, the shape of the limiting plate 5 is the same as that of the bipolar plate 7, and a sliding groove 51 is formed in the limiting plate 5, a first limiting groove 52 and a second limiting groove 53 are formed in inner walls of two sides of the sliding groove 51, and a third limiting groove 54 is formed in a position of the limiting plate 5 away from the bipolar plate 7.
As a preferred embodiment, the pressing assembly 6 includes:
a driving unit 61 slidably disposed in the sliding groove 51;
a lifting plate 62 slidably disposed up and down on the driving unit 61;
a heat radiation plate 63 fixed to a side of the lift plate 62 close to the bipolar plate 7;
the pressing rod 64 is symmetrically fixed on the heat dissipation plate 63;
a pressing roller 65 rotatably disposed on a side of the pressing lever 64 near the driving assembly 61 by a rotation shaft 651;
the air blowing fans 66 are configured in three, are fixed on one side of the heat dissipation plate 63 away from the lifting plate 62, and are respectively positioned on two sides and the middle position of the pressing rod 64;
the lifting device 67 is fixed on the lifting plate 62, and the output end of the lifting device 67 is connected with the driving assembly 61;
the hinged rods 68 are provided in two, one ends of the hinged rods are symmetrically hinged on the lifting plate 62, and torsion springs are arranged at the hinged positions; and
the telescopic column 69 is rotatably arranged at the other end of the hinge rod 68, and the telescopic end of the telescopic column 69 is rotatably provided with a limiting wheel which is arranged in the third limiting groove 54 in a rolling manner.
It should be noted that, the three air blowing fans 66 can be used for cleaning the welding positions of the surface of the bipolar plate 7 before welding, so as to avoid the existence of sundries during welding, cool the bipolar plate during welding, avoid the overhigh welding temperature, clean and cool the bipolar plate after welding, avoid the existence of welding residues in the welding path, further reduce the temperature of the welding surface and improve the cooling effect;
further, the fan blade angles of the three air blowing fans 66 are determined according to the rotation directions of the three air blowing fans, so that the air blowing fans 66 can generate the effect of blowing air outwards;
preferably, the two hinge rods 68 are kept at the same angle under the action of the torsion spring, and when the pressing assembly 6 moves to the curve position of the limiting plate 5, the hinge rods 68 can rotate, so that the movement of the pressing assembly 6 is smoother.
As a preferred embodiment, the rotation shafts 651 and the blowing fan 66 extend into the heat dissipation plate 63, and are engaged by a bevel gear set 652.
As a preferred embodiment, the driving assembly 61 includes:
a driving plate 611 in which a driving motor is fixed;
a driving tooth 612 fixed at the output end of the driving motor;
a second driving wheel 613, which is fixed on an end surface of the driving tooth 612, which is far away from the driving motor, and the second driving wheel 613 rolls in the second limiting groove 53;
at least four sliding columns 614, which are fixed on the upper end surface of the driving plate 611 and are slidably connected with the lifting plate 62;
a connecting shaft 615, one end of which is fixed at the axial center position of the driving wheel II 613 and the other end of which is rotatably arranged at the output end of the lifting device 67;
driven teeth 616 rotatably disposed on the driving plate 611, and the driven teeth 616 are engaged with the driving teeth 612; and
the first driving tooth 617 is fixed on the lower end surface of the driven tooth 616 by an extension shaft, and the first driving tooth 617 rolls in the first limiting groove 52.
It should be noted that the length of the pressing rod 64 is smaller than the distance from the edge of the bipolar plate 7 to the positioning column 8, so that interference is avoided.
Specifically, firstly, adjust roof 3 through stand 2, confirm the welding angle, afterwards place bipolar plate 7 on roof 3, and fix a position bipolar plate 7 through the reference column 8 that the magnetic part 42 of revolving cylinder 4 adsorbs, afterwards turn on the electro-magnet, adsorb reference column 8, and press centre gripping to bipolar plate 7, afterwards revolving cylinder 4 resets, break away from bipolar plate, afterwards press subassembly 6 makes the pressure roller 65 produce local pressure to bipolar plate 7 through elevating gear 67, open the laser welding head and weld the position of pressing partially, when the laser welding head moves along bipolar plate 7 edge route, press subassembly 6 carries out synchronous motion through drive assembly 61, guarantee that the welding position is pressed partially all the time, the leakproofness of welding has been improved, until the welding is accomplished.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (3)

1. Multi-angle seamless welding equipment for hydrogen energy automobile bipolar plates is characterized in that: comprising the following steps:
a bottom plate (1);
the upright posts (2) are at least four and are respectively arranged at four corners of the upper end surface of the bottom plate (1);
a top plate (3) mounted on the upright (2);
the rotary cylinders (4) are configured to be four and symmetrically fixed on the lower end face of the top plate (3), the output ends of the rotary cylinders (4) penetrate through the top plate (3), pressing claws (41) are fixed on each rotary cylinder (4), and magnetic pieces (42) are fixed on the pressing claws (41);
the limiting plate (5) is detachably arranged on the upper end face of the top plate (3);
the pressing component (6) is arranged on the limiting plate (5) in a sliding manner; and
the four-angle positions of the bipolar plate (7) are arranged on the upper end surface of the top plate (3) by adopting positioning columns (8), and the positioning columns (8) fix the bipolar plate (7) through electromagnets fixed on the lower end surface of the top plate (3);
the upright (2) comprises:
the two ends of the outer cylinder (21) are respectively and slidably arranged in the bottom plate (1) and the top plate (3);
limiting rings (23) are symmetrically fixed at two ends of the outer cylinder (21); and
the two automatic telescopic rods (22) are symmetrically fixed in the outer cylinder (21), and the output ends of the two automatic telescopic rods (22) are respectively hinged on the bottom plate (1) and the top plate (3);
the shape of the limiting plate (5) is the same as that of the bipolar plate (7), a sliding groove (51) is formed in the limiting plate (5), a first limiting groove (52) and a second limiting groove (53) are formed in the inner walls of the two sides of the sliding groove (51), and a third limiting groove (54) is formed in the position, away from the bipolar plate (7), of the limiting plate (5);
the pressing assembly (6) comprises:
a drive assembly (61) slidably disposed within the slide groove (51);
a lifting plate (62) which is arranged on the driving component (61) in a vertically sliding way;
a heat radiation plate (63) fixed to one side of the lifting plate (62) close to the bipolar plate (7);
the pressing rod (64) is symmetrically fixed on the radiating plate (63);
a pressing roller (65) rotatably arranged on one side of the pressing rod (64) close to the driving assembly (61) by adopting a rotating shaft (651);
the blowing fans (66) are configured to be three, are fixed on one side of the heat dissipation plate (63) away from the lifting plate (62), and are respectively positioned at two sides and the middle position of the pressing rod (64);
the lifting device (67) is fixed on the lifting plate (62), and the output end of the lifting device (67) is connected with the driving assembly (61);
the two hinge rods (68) are arranged, one ends of the hinge rods are symmetrically hinged on the lifting plate (62), and torsion springs are arranged at the hinge positions; and
the telescopic column (69) is rotatably arranged at the other end of the hinging rod (68), the telescopic end of the telescopic column (69) is rotatably provided with a limiting wheel, and the limiting wheel is arranged in the limiting groove III (54) in a rolling mode.
2. The multi-angle seamless welding apparatus for a bipolar plate of a hydrogen energy automobile according to claim 1, wherein: the rotating shafts of the rotating shaft (651) and the blowing fan (66) extend into the radiating plate (63) and are in meshed transmission through the bevel gear set (652).
3. The multi-angle seamless welding apparatus for a bipolar plate of a hydrogen energy automobile according to claim 1, wherein: the drive assembly (61) comprises:
a drive plate (611) in which a drive motor is fixed;
a driving tooth (612) fixed at the output end of the driving motor;
the driving wheel II (613) is fixed on one end face of the driving tooth (612) far away from the driving motor, and the driving wheel II (613) rolls in the limiting groove II (53);
at least four sliding columns (614) which are fixed on the upper end surface of the driving plate (611) and are in sliding connection with the lifting plate (62);
one end of a connecting shaft (615) is fixed at the axle center position of the driving wheel II (613), and the other end of the connecting shaft is rotatably arranged at the output end of the lifting device (67);
the driven teeth (616) are rotatably arranged on the driving plate (611), and the driven teeth (616) are in meshed transmission with the driving teeth (612); and
a first driving tooth (617) fixed on the lower end surface of the driven tooth (616) by an extension shaft, and the first driving tooth (617)
And rolling in the first limit groove (52).
CN202310040637.2A 2023-01-12 2023-01-12 Multi-angle seamless welding equipment for bipolar plate of hydrogen energy automobile Active CN115805371B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310040637.2A CN115805371B (en) 2023-01-12 2023-01-12 Multi-angle seamless welding equipment for bipolar plate of hydrogen energy automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310040637.2A CN115805371B (en) 2023-01-12 2023-01-12 Multi-angle seamless welding equipment for bipolar plate of hydrogen energy automobile

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CN115805371A CN115805371A (en) 2023-03-17
CN115805371B true CN115805371B (en) 2023-05-26

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH686177A5 (en) * 1992-03-06 1996-01-31 Meistermatic Ag Mobile Grossflochen welding machine for welding plastic.
CN109623245B (en) * 2019-01-14 2024-02-09 安徽明天氢能科技股份有限公司 Full-automatic welding fixture for bipolar plate of hydrogen fuel cell
CN211102383U (en) * 2019-10-09 2020-07-28 无锡先导智能装备股份有限公司 Positioning device and welding equipment
CN112719807A (en) * 2020-12-24 2021-04-30 江阴东华铝材科技有限公司 Manufacturing method of battery replacing box body of new energy automobile
CN215356713U (en) * 2021-04-21 2021-12-31 京源中科科技(泉州)有限公司 Laser welding device applied to metal bipolar plate of fuel cell
CN217727629U (en) * 2022-02-21 2022-11-04 江苏氢导智能装备有限公司 Welding positioning device and bipolar plate sealing welding equipment

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Effective date of registration: 20240102

Address after: 215000 No.16, Tianling Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province

Patentee after: Suzhou Shixin Metal Technology Co.,Ltd.

Address before: 215000 No.16, Tianling Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province

Patentee before: SEKSUN TECHNOLOGY (SUZHOU) Co.,Ltd.