CN218575258U - Square shell electricity core laser welding equipment and supplementary anchor clamps thereof - Google Patents
Square shell electricity core laser welding equipment and supplementary anchor clamps thereof Download PDFInfo
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- CN218575258U CN218575258U CN202222361305.8U CN202222361305U CN218575258U CN 218575258 U CN218575258 U CN 218575258U CN 202222361305 U CN202222361305 U CN 202222361305U CN 218575258 U CN218575258 U CN 218575258U
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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
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of square-shell battery cell laser welding, and discloses a square-shell battery cell laser welding device and an auxiliary fixture thereof, wherein the auxiliary fixture comprises a fixture seat, and a cavity is arranged in the fixture seat; and the two groups of pressure head assemblies are symmetrically arranged on the clamp seat. The utility model discloses a arrange two sets of pressure head subassemblies respectively in the top of two battery connection pieces of every group square shell electricity core, the subassembly of ventilating lets in protective gas to cavity internal recycle, and two sets of intercommunication subassemblies are protected with the laser welding to battery connection piece and apron the leading-in pressure head subassembly of protective gas's inside, and last laser welding device realizes the laser welding to battery connection piece and apron through cooperating with the pressure head subassembly. Adopt two sets of intercommunication subassemblies and the subassembly cooperation of ventilating to steadily just directly carry protective gas to the face of weld of battery connection piece and apron, can effectively prevent to splash the condition of the point of explosion and appear, improved laser welding's quality.
Description
Technical Field
The utility model relates to a square shell electricity core laser welding technical field specifically relates to a square shell electricity core laser welding equipment and supplementary anchor clamps thereof.
Background
Since the development of laser technology is rapid in recent years, laser welding technology, as a new welding technology, has been more and more skillfully applied to various occasions, so that the advantages of laser welding are prominent with the more and more extensive application of laser technology in power battery assembly, but as the workpieces processed by laser welding are smaller and smaller, the requirements on a clamp for laser welding are higher and higher.
In the production process of the conventional square-shell battery cell, the battery cell A and the battery cell B are generally connected through two groups of connecting sheets and adhesive tapes, and the connecting sheets and the cover plate are welded through laser welding equipment and a welding fixture. The conventional welding clamp has poor ventilation protection performance on the welding surface, easily causes damage to the surface of the connecting sheet and further causes the problem of welding quality of the connecting sheet and the cover plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the poor problem that leads to appearing welding quality unqualified of the protection nature of ventilating that prior art exists, providing a square shell electricity core laser welding equipment and supplementary anchor clamps thereof, this square shell electricity core laser welding equipment and supplementary anchor clamps have the good effect of the protection nature of ventilating.
In order to achieve the above object, an aspect of the present invention provides an auxiliary fixture of a square-shell battery cell laser welding device, including:
the fixture comprises a fixture seat, a fixture body and a fixture body, wherein a cavity is formed in the fixture seat;
the two groups of pressure head assemblies are symmetrically arranged on the clamp seat, movably penetrate through the clamp seat and are used for being matched with the laser welding device to be used for welding and connecting the battery connecting sheet and the cover plate of the two square shell battery cores;
the two groups of communicating components are respectively arranged on the outer sides of the two groups of pressure head components, are positioned in the cavity and are used for communicating the cavity with the interior of the pressure head components;
and the ventilation assembly is arranged on the side wall of the clamp seat and is used for being matched with the two groups of communication assemblies so as to circularly introduce protective gas into the welding surface of the battery connecting sheet and the cover plate when the battery connecting sheet and the cover plate are subjected to laser welding.
Optionally, the ram assembly comprises:
the hollow column body is arranged in the cavity, and the bottom end of the hollow column body penetrates through the clamp seat and extends to the position below the clamp seat;
the top plate is arranged above the hollow cylinder, the top end of the top plate penetrates through the clamp seat and extends to the position above the clamp seat, and the top plate is provided with a laser inlet matched with the top opening of the hollow cylinder.
Optionally, the pressure head assembly further comprises a spring, the spring is arranged between the hollow cylinder and the top plate, and two ends of the spring are respectively connected with the top of the hollow cylinder and the bottom of the top plate.
Optionally, the communication assembly comprises:
the two groups of communicating seats are symmetrically arranged on the side wall in the connecting line direction of the hollow column body and the other group of hollow column bodies, a communicating groove is formed in each communicating seat, one end of each communicating groove is communicated with the cavity, and the other end of each communicating groove is communicated with the inside of the hollow column body;
and the two groups of communication pipelines are respectively arranged in the two groups of communication grooves, one ends of the communication pipelines are communicated with the corresponding communication grooves, the other ends of the communication pipelines are communicated with the inside of the hollow column body, and the communication pipelines are inclined downwards.
Optionally, the shape of the other end of the communication duct comprises an ellipse.
Optionally, the vent assembly comprises:
the two groups of first air holes are respectively arranged at two opposite ends of the clamp base, the two groups of first air holes and the two groups of pressure head assemblies are positioned on the same connecting line, and the two groups of first air holes are used for being connected with a gas injection device or a gas suction device;
and the second vent hole is formed in the top of the clamp seat and used for being connected with the air suction device or the air injection device.
Optionally, the auxiliary fixture further comprises two sets of positioning pins, and the two sets of positioning pins are symmetrically arranged at the top of the fixture seat and are used for being connected with the positioning holes in the laser welding device in a matched manner.
Optionally, a taking-out hole is formed in a side wall of the fixture seat, and the taking-out hole is used for being matched with a manipulator to take out and put in the fixture seat.
Optionally, the inner wall of the hollow cylinder is provided with a conical surface.
On the other hand, the utility model also provides a square shell electricity core laser welding equipment, include:
a laser welding device;
an auxiliary clamp as described in any of the above;
the gas injection device is connected with one end of the ventilation assembly of the auxiliary clamp;
and the air suction device is connected with the other end of the ventilation assembly.
Through the technical scheme, the utility model provides a square shell electricity core laser welding equipment and supplementary anchor clamps thereof is through arranging two sets of pressure head subassemblies in the top of two battery connection pieces of every group square shell electricity core respectively, and the subassembly of ventilating lets in protective gas to cavity internal recycle, and two sets of intercommunication subassemblies are protected with the laser welding to battery connection piece and apron the leading-in pressure head subassembly of protective gas's inside, and last laser welding device realizes the laser welding to battery connection piece and apron through cooperating with the pressure head subassembly. Adopt two sets of intercommunication subassemblies and the subassembly cooperation of ventilating to steadily just directly carry protective gas to the face of weld of battery connection piece and apron, can effectively prevent to splash the condition of the point of explosion and appear, improved laser welding's quality.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary fixture of a square-shell battery cell laser welding apparatus according to an embodiment of the present invention;
fig. 2 is a top view of an auxiliary fixture of a square-shell cell laser welding apparatus according to an embodiment of the present invention;
fig. 3 isbase:Sub>A cross-sectional view according tobase:Sub>A-base:Sub>A in fig. 2.
Description of the reference numerals
1. Clamp base 2, roof
3. Laser inlet 4, hollow cylinder
5. Second vent hole 6 and positioning pin
7. First vent hole 8, get and put hole
9. Connecting pipe 10 and cavity
11. Communication groove 12, communication seat
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.
Fig. 1 is a schematic structural view of an auxiliary clamp of a square-shell cell laser welding apparatus according to an embodiment of the present invention, and fig. 2 is a top view of an auxiliary clamp of a square-shell cell laser welding apparatus according to an embodiment of the present invention; fig. 3 isbase:Sub>A cross-sectional view according tobase:Sub>A-base:Sub>A in fig. 2. In fig. 1, 2 and 3, the auxiliary clamp may include a clamp base 1, two sets of ram assemblies, two sets of communication assemblies, and a vent assembly. In particular, the holder 1 may comprise a cavity 10.
The cavity 10 has been seted up to the inside of anchor clamps seat 1, and two sets of pressure head subassembly symmetries set up on anchor clamps seat 1, and two sets of pressure head subassembly activities run through in anchor clamps seat 1 for with battery connection piece and the apron of two square shell electricity cores of welded connection with the laser welding device cooperation. Two sets of intercommunication subassemblies set up respectively in the outside of two sets of pressure head subassemblies, and are located the inside of cavity 10 for the inside of intercommunication cavity 10 and pressure head subassembly. The ventilation assembly is arranged on the side wall of the fixture seat 1 and is used for being matched with the two groups of communication assemblies so that protective gas can be circularly introduced into the welding surface of the battery connecting sheet and the cover plate when the battery connecting sheet and the cover plate are subjected to laser welding.
When two sets of battery connection pieces and apron between the A electricity core on the single group of square shell electricity core need be to laser welding, need install this anchor clamps seat 1 to the laser welding device on to remove this anchor clamps seat 1 to the top of two sets of battery connection pieces through the laser welding device, press two sets of battery connection pieces simultaneously, with the relatively fixed of guarantee anchor clamps seat 1 and two sets of battery connection pieces. Then, protective gas is introduced into the cavity 10 of the clamp seat 1 through the ventilation assembly, and the protective gas respectively enters the two groups of pressure head assemblies along the two groups of communication assemblies, contacts with the two groups of battery connecting sheets and the cover plate and is in a circulating flow state. And finally, driving the laser welding device to start and enabling the two groups of lasers to enter and contact with the corresponding battery connecting sheets respectively along the insides of the two groups of pressure head assemblies so as to realize laser welding of the battery connecting sheets and the cover plate.
In a traditional laser welding process of the battery connecting sheet and the cover plate, the connecting sheet and the cover plate are generally welded through the cooperation of laser welding equipment and a welding clamp. However, the conventional welding clamp has poor ventilation protection performance on the welding surface of the battery connecting sheet, the surface of the connecting sheet is easily damaged, the quality problem of welding the battery connecting sheet and the cover plate is caused, and the production cost is improved. The utility model discloses an among this embodiment, adopt two sets of intercommunication subassemblies to communicate the inside mode of cavity and pressure head subassembly, can realize that protective gas can circulate ground and flow through at the face of weld of battery connection piece and apron, can prevent the oxidation of battery connection piece on the one hand, on the other hand can improve the stability and the reliability of battery connection piece in laser welding process, has effectively avoided splashing and has exploded the circumstances such as some to appear, has improved laser welding's safety and quality. In addition, two sets of pressure head subassemblies are located the top of two sets of battery connection pieces respectively, correspond a set of square shell electricity core promptly, and the distance between two sets of pressure head subassemblies is the distance of welding point on two predetermined battery connection pieces, and then has realized the synchronous laser welding of two sets of battery connection pieces of every group square shell electricity core, has improved efficiency and precision among the laser welding process.
In this embodiment of the present invention, as shown in fig. 1 and 3, the ram assembly may include a hollow cylinder 4 and a top plate 2.
The hollow column 4 is arranged inside the cavity 10, and the bottom end of the hollow column 4 penetrates through the clamp seat 1 and extends to the lower part of the clamp seat 1. Roof 2 sets up in the top of hollow cylinder 4, and the top of roof 2 passes anchor clamps seat 1 and extends to the top of anchor clamps seat 1, has seted up on roof 2 with the open-top complex laser entry 3 of hollow cylinder 4.
When the fixture seat is arranged at the tops of the two groups of battery connecting sheets, the laser device is driven to start and emit laser, the laser enters along the laser inlet 3 and reaches the tops of the battery connecting sheets along the inside of the hollow cylinder 4, and the purpose of laser welding of the battery connecting sheets can be achieved. Adopt the entering and the work of laser of being convenient for on the one hand of this kind of structure, on the other hand can protect the battery connection piece outside welding region, avoids laser device to appear the deviation and leads to producing the defective products. In addition, laser inlet 3 can also regard as dust absorption passageway to carry out the dust absorption with the relevant dust collecting equipment of cooperation and use, has reduced the influence of dust to laser welding, has ensured security and reliability among the laser welding process.
In this embodiment of the present invention, the ram assembly may further include a spring.
The spring sets up between hollow cylinder 4 and roof 2, and the both ends of spring are connected with the top of hollow cylinder 4 and the bottom of roof 2 respectively.
When arranging anchor clamps seat 1 in the top of two sets of battery connection pieces respectively, if the height of two sets of battery connection pieces is inconsistent, the spring carries out corresponding compressive deformation to the relative level of the upper surface of guarantee anchor clamps seat 1 has further improved laser welding's precision, and in addition, this anchor clamps seat 1 can satisfy the auxiliary welding of the battery connection piece of multiple not unidimensional, type, and the suitability is wider. Simultaneously, the spring is elastomeric element, can also cushion the power of outside, and then can avoid the too big surface that leads to anchor clamps seat 1 to the battery connection piece to produce the damage.
In the embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, the communicating component may include two sets of communicating seats 12 and two sets of communicating pipes 9. Specifically, the communication seat 12 may include a communication groove 11.
Two sets of communicating seats 12 are symmetrically arranged on the side wall of the hollow column 4 in the direction of the connecting line of the other set of hollow column 4, a communicating groove 11 is formed in the communicating seat 12, one end of the communicating groove 11 is communicated with the cavity 10, and the other end of the communicating groove 11 is communicated with the inside of the hollow column 4. Two sets of communicating pipes 9 are respectively arranged inside the two sets of communicating grooves 11, one end of each communicating pipe 9 is communicated with the communicating grooves 11, and the other end of each communicating pipe 9 is communicated with the inside of the hollow column 4.
When the subassembly that ventilates starts and let in circulation protective gas to the inside of cavity 10, circulation gas makes protective gas get into the inside of hollow cylinder 4 through the intercommunication groove 11 of one of them group intercommunication seat 12 on the one hand, and the inside protective gas's of hollow cylinder 4 outflow is cooperated to the intercommunication groove 11 of another group intercommunication seat 12 of rethread to the cooperation realizes protective gas at the inside circulation of hollow cylinder 4. In addition, the protective gas in one group of the communicating grooves 11 enters the hollow column body along one end of the corresponding communicating pipeline 9, and circulates along the communicating pipeline 9 corresponding to the other group of the communicating grooves 11, so that the flowing range and the flowing amount of the protective gas in the hollow column body 4 are enlarged, and the protective effect of the battery connecting sheet in the welding process is further improved.
In the present embodiment of the present invention, the shape of the other end of the communication pipe 9 may be various forms known to those skilled in the art, such as a circle, a square, and the like. However, in a preferred example of the present invention, the other end of the communication pipe 9 has an oval shape in consideration of the limitation of the welding surface protection range of the battery connection tab and the protection effect. The oval air outlet is more convenient for the protective gas to gather and flow, and then the protective effect of the protective gas on the battery connecting sheet in the laser welding process is improved.
In the present embodiment of the present invention, for the comparison of the vertical height of the one end of the communicating pipe 9 and the other end, the height of the one end of the communicating pipe 9 higher than the other end of the communicating pipe 9, the height of the one end of the communicating pipe 9 lower than the other end of the communicating pipe 9, and the height of the one end of the communicating pipe 9 and the other end of the communicating pipe 9 may be the same. However, in a preferred embodiment of the present invention, in consideration of convenience and reliability of flowing of the shielding gas to the surface of the battery connecting piece, one end of the communicating pipe 9 is higher than the other end of the communicating pipe 9, that is, the other end of the communicating pipe 9 is inclined and arranged downward, and the shielding gas flows along the communicating pipe 9 directly against the surface of the battery connecting piece, thereby further improving the effect of the shielding gas on protecting the battery connecting piece.
In this embodiment of the present invention, as shown in fig. 1 and 2, the vent assembly may include two sets of first vent holes 7 and second vent holes 5.
Two sets of first air vents 7 set up respectively at the relative both ends of anchor clamps seat 1, and two sets of first air vents 7 are located same connecting line with two sets of pressure head subassemblies, and two sets of first air vents 7 are used for being connected with gas injection device or getter device. And a second vent hole 5 is formed in the top of the fixture seat 1 and is used for being connected with a suction device or an air injection device.
When circulating protective gas needs to be introduced into the cavity 10, the two groups of first vent holes 7 are connected with the gas injection device, and the second vent hole 5 is connected with the gas suction device, so that the protective gas can flow from the two groups of first vent holes 7 to the middle of the cavity 10. In addition, two groups of first vent holes 7 can be connected with a suction device, and the second vent holes 7 are connected with a gas injection device, so that the protective gas can flow from the middle of the cavity 10 to two ends of the cavity. The two modes can be selected according to actual conditions, and the device is more convenient and faster.
In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the auxiliary clamp may further include two sets of positioning pins 6.
Two sets of locating pins 6 are symmetrically arranged on the top of the clamp seat 1 and are used for being matched and connected with locating holes in the laser welding device.
When this supplementary anchor clamps are used to needs, need carry out fixed connection with this supplementary anchor clamps with laser welding device, be about to the locating hole of laser welding device remove to the top of the locating pin 6 that corresponds and make locating pin 6 and locating hole cooperation be connected, can realize the reliable connection of supplementary anchor clamps and laser welding device, it is convenient and fast more.
In the embodiment of the present invention, as shown in fig. 1, the sidewall of the fixture seat 1 is provided with a taking hole 8, and the taking hole 8 is used for cooperating with a manipulator to take and place the fixture seat 1.
When the clamp seat 1 needs to be replaced, the manipulator clamps and fixes the clamp seat 1 through the taking-out hole 8, and the clamp seat 1 can be installed on the laser welding device from bottom to top or the clamp seat 1 can be taken down from the laser welding device, so that the device is safer.
In the embodiment of the present invention, as shown in fig. 3, the hollow column 4 is provided with a tapered surface inside. The laser welding has a certain inclination angle, and the conical surface is used for matching with the laser welding and improving the laser welding effect.
On the other hand, the utility model also provides a square shell electricity core laser welding equipment. Specifically, the square-shell battery cell laser welding equipment can comprise a laser welding device, an auxiliary fixture, a gas injection device and a gas suction device. Specifically, the auxiliary clamp may include a clamp base 1, two sets of ram assemblies, two sets of communication assemblies, and a vent assembly. In particular, the holder 1 may comprise a cavity 10.
The cavity 10 has been seted up to the inside of anchor clamps seat 1, and two sets of pressure head subassembly symmetries set up on anchor clamps seat 1, and two sets of pressure head subassembly activities run through in anchor clamps seat 1 for with the battery connection piece and the apron of two square-shell electricity cores of welded connection with the laser welding device cooperation. Two sets of intercommunication subassemblies set up respectively in the outside of two sets of pressure head subassemblies, and are located the inside of cavity 10 for the inside of intercommunication cavity 10 and pressure head subassembly. The ventilation assembly is arranged on the side wall of the fixture base 1 and used for being matched with the two sets of communication assemblies so that protective gas can be circularly introduced into the welding surface of the battery connecting piece and the cover plate when the battery connecting piece and the cover plate are subjected to laser welding. The gas injection device is connected with one end of a ventilation assembly of the auxiliary clamp, and the gas suction device is connected with the other end of the ventilation assembly.
When two sets of battery connection pieces and apron between the A electricity core on the single group of square shell electricity core need be to laser welding, need install this anchor clamps seat 1 to the laser welding device on to remove this anchor clamps seat 1 to the top of two sets of battery connection pieces through the laser welding device, press two sets of battery connection pieces simultaneously, with the relatively fixed of guarantee anchor clamps seat 1 and two sets of battery connection pieces. And then introducing protective gas into the cavity 10 of the fixture seat 1 along the ventilation assembly through a gas injection device and a gas suction device, wherein the protective gas respectively enters the interiors of the two pressure head assemblies along the two groups of communication assemblies, contacts with the two groups of battery connecting sheets and the cover plate and is in a circulating flow state. And finally, driving the laser welding device to start and enabling the two groups of lasers to enter and contact with the corresponding battery connecting sheets respectively along the insides of the two groups of pressure head assemblies so as to realize laser welding of the battery connecting sheets and the cover plate.
Through the technical scheme, the utility model provides a square shell electricity core laser welding equipment and supplementary anchor clamps thereof is through arranging two sets of pressure head subassemblies in the top of two battery connection pieces of every group square shell electricity core respectively, and the subassembly of ventilating lets in protective gas to 10 internal recycle of cavity, and two sets of intercommunication subassemblies are protected with the laser welding to battery connection piece and apron with the inside of the leading-in pressure head subassembly of protective gas, and last laser welding device realizes the laser welding to battery connection piece and apron through cooperating with the pressure head subassembly. Adopt two sets of intercommunication subassemblies and the subassembly cooperation of ventilating to steadily just directly carry protective gas to the face of weld of battery connection piece and apron, can effectively prevent to splash the condition of the point of explosion and appear, improved laser welding's quality.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. The utility model provides a square hull electricity core laser welding equipment's supplementary anchor clamps which characterized in that includes:
the clamp comprises a clamp seat (1), wherein a cavity (10) is formed in the clamp seat (1);
the two groups of pressure head assemblies are symmetrically arranged on the clamp seat (1), movably penetrate through the clamp seat (1) and are used for being matched with a laser welding device to be connected with battery connecting sheets and cover plates of two square-shell battery cores in a welding mode;
the two groups of communicating components are respectively arranged on the outer sides of the two groups of pressure head components, are positioned in the cavity (10), and are used for communicating the cavity (10) with the interior of the pressure head components;
and the ventilation assembly is arranged on the side wall of the clamp seat (1) and is used for being matched with the two groups of communication assemblies so as to circularly introduce protective gas into the welding surface of the battery connecting sheet and the cover plate when the battery connecting sheet and the cover plate are subjected to laser welding.
2. The accessory clamp of claim 1, wherein the ram assembly comprises:
the hollow column body (4) is arranged inside the cavity (10), and the bottom end of the hollow column body (4) penetrates through the clamp base (1) and extends to the position below the clamp base (1);
the top plate (2) is arranged above the hollow cylinder (4), the top end of the top plate (2) penetrates through the clamp seat (1) and extends to the upper portion of the clamp seat (1), and the top plate (2) is provided with a laser inlet (3) matched with the top opening of the hollow cylinder (4).
3. The auxiliary clamp according to claim 2, characterized in that the ram assembly further comprises a spring, the spring is arranged between the hollow cylinder (4) and the top plate (2), and two ends of the spring are respectively connected with the top of the hollow cylinder (4) and the bottom of the top plate (2).
4. The accessory clamp of claim 2, wherein the communication assembly comprises:
the two groups of communication seats (12) are symmetrically arranged on the side wall of the hollow column body (4) in the direction of connecting the hollow column body (4) and the other group of hollow column body (4), a communication groove (11) is formed in each communication seat (12), one end of each communication groove (11) is communicated with the cavity (10), and the other end of each communication groove (11) is communicated with the inside of the hollow column body (4);
the two sets of communication pipelines (9) are respectively arranged in the two sets of communication grooves (11), one ends of the communication pipelines (9) are communicated with the corresponding communication grooves (11), the other ends of the communication pipelines (9) are communicated with the inside of the hollow column body (4), and the communication pipelines (9) are inclined downwards.
5. An auxiliary clamp according to claim 4, characterized in that the shape of the other end of the communication duct (9) comprises an ellipse.
6. The accessory clamp of claim 1, wherein the vent assembly comprises:
the two groups of first vent holes (7) are respectively arranged at two opposite ends of the clamp seat (1), the two groups of first vent holes (7) and the two groups of pressure head assemblies are positioned on the same connecting line, and the two groups of first vent holes (7) are used for being connected with a gas injection device or a gas suction device;
and the second vent hole (5) is formed in the top of the clamp seat (1) and is used for being connected with the air suction device or the air injection device.
7. The auxiliary fixture according to claim 1, characterized in that the auxiliary fixture further comprises two sets of positioning pins (6), and the two sets of positioning pins (6) are symmetrically arranged on the top of the fixture base (1) and are used for being matched and connected with positioning holes on the laser welding device.
8. The auxiliary clamp according to claim 1, wherein the side wall of the clamp base (1) is opened with an access hole (8), and the access hole (8) is used for cooperating with a robot to access the clamp base (1).
9. Auxiliary clamp according to claim 4, characterized in that the inner wall of the hollow cylinder (4) is provided with a conical surface.
10. The utility model provides a square-shell battery cell laser welding equipment which characterized in that includes:
a laser welding device;
an auxiliary clamp as claimed in any one of claims 1 to 9;
the gas injection device is connected with one end of the ventilation assembly of the auxiliary clamp;
and the air suction device is connected with the other end of the ventilation assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361305.8U CN218575258U (en) | 2022-09-05 | 2022-09-05 | Square shell electricity core laser welding equipment and supplementary anchor clamps thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361305.8U CN218575258U (en) | 2022-09-05 | 2022-09-05 | Square shell electricity core laser welding equipment and supplementary anchor clamps thereof |
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| Publication Number | Publication Date |
|---|---|
| CN218575258U true CN218575258U (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222361305.8U Active CN218575258U (en) | 2022-09-05 | 2022-09-05 | Square shell electricity core laser welding equipment and supplementary anchor clamps thereof |
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| CN (1) | CN218575258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047268A (en) * | 2023-07-19 | 2023-11-14 | 南京宇众自动化装备有限公司 | Welding equipment and pressure head assembly thereof |
-
2022
- 2022-09-05 CN CN202222361305.8U patent/CN218575258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047268A (en) * | 2023-07-19 | 2023-11-14 | 南京宇众自动化装备有限公司 | Welding equipment and pressure head assembly thereof |
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