Clamp for laser welding of new energy lithium battery cover plate

By designing a laser welding fixture for new energy lithium battery cover plates with cylinder-driven pressure plates and fan cooling, the problem of cooling waiting after welding was solved, achieving efficient cover plate welding and cooling, and improving the operating efficiency and stability of the equipment.

CN223748755UActive Publication Date: 2026-01-02DONGGUAN CHAOHONG HARDWARE PRECISION TECH CO LTD
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Patent Information

Application Number
CN202520283296.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-02
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing laser welding fixtures for lithium battery covers require waiting for the cover to cool naturally after welding, resulting in long equipment downtime and affecting welding efficiency.

Method used

A fixture for laser welding of cover plates for new energy lithium batteries was designed. It uses a cylinder to drive the pressure plate for rapid replacement of the cover plate and a fan for cooling to achieve rapid cooling of the cover plate. Combined with the ball and ball groove structure, friction is reduced and the stability of equipment operation is improved.

Benefits of technology

It improves the welding and cooling efficiency of the cover plate, reduces equipment downtime, enhances equipment operational stability, and reduces wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of new energy lithium batteries, and discloses a new energy lithium battery cover plate laser welding clamp which comprises a supporting frame, a first cover plate tool and a second cover plate tool, a connecting frame is fixedly installed at the bottom end of the first cover plate tool and the bottom end of the second cover plate tool, and a moving groove is formed in the top end of the supporting frame. According to the clamp for laser welding of the new energy lithium battery cover plate, two sets of cover plate tools can be arranged to replace to support and fix the cover plate, the fixing and welding efficiency of the cover plate is greatly improved, through a fan, the cover plate can be fixed and fixed through the fan, and the cover plate can be fixed and fixed. The cooling efficiency after welding of the cover plate can be greatly improved, a worker can conveniently take out and replace the cover plate, and the problems that in the prior art, after welding of the cover plate on a cover plate tool is completed, the cover plate needs to be taken out and replaced with a batch of cover plates to be welded after being naturally cooled, the downtime of equipment is long, and the production cost is low are solved. Therefore, the welding efficiency is influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to new energy lithium battery technical field, concretely is a new energy lithium battery cover plate laser welding clamp. BACKGROUND

[0002] The single lithium battery usually includes the shell of top open, the electric core of setting in the shell cavity and the lithium battery cover plate for plugging the open end position of shell, and the lithium battery cover plate generally includes the cover plate body, two electrode seats set on the cover plate and relatively protruding, the through -hole set in the middle part of the cover plate and two electrode holes set on the electrode seat, and the electrode hole and the through -hole area need to be welded by laser welding to fix the metal piece attached,

[0003] According to Chinese patent publication number: CN222370631U, a kind of lithium battery cover plate laser welding clamp is disclosed, it can be clamped and fixed multiple lithium battery cover plates at a time, and after welding is completed, movable strip can be automatically reset after lifting after pressing plate, the lithium battery cover plate on it is ejected positioning pin, so that the lithium battery cover plate on the cover plate tool can be easily shaken off, improve the efficiency of replacing lithium battery cover plate;

[0004] But the cover plate on the cover plate tool in the technical scheme needs to wait for the cover plate to cool down naturally after welding is completed, then the cover plate is removed, and a batch of cover plates to be welded is replaced, so that the equipment downtime is longer, thereby affecting the welding efficiency, for this purpose, we propose a kind of new energy lithium battery cover plate laser welding clamp. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of new energy lithium battery cover plate laser welding clamp, solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of new energy lithium battery cover plate laser welding clamp, including support frame, cover plate tool one and cover plate tool two, the cover plate tool one and the bottom end of cover plate tool two are fixedly installed with connecting frame, the support frame top is equipped with moving slot, the connecting frame is movably penetrated moving slot, the connecting frame inner side is fixedly installed with connecting plate, the support frame inner wall top is fixedly installed with pneumatic cylinder, the pressing plate is fixedly installed at the piston rod top of pneumatic cylinder, the support frame inner wall top is close to front side and rear side and is fixedly installed with fixed plate, the fixed plate front close to the support frame front side is fixedly installed with motor, the connecting plate is drivingly connected with motor;

[0007] The front side and the rear side of the pressing plate are provided with baffles, the baffles are fixedly installed at the top end of the support frame, fixed rods are fixedly installed at the outer side of the baffles, fixed frames are fixedly installed at one end of the fixed rods, fans are fixedly installed on the inner wall of the fixed frames, abutting blocks are fixedly installed at the front side of the first cover tool and the rear side of the second cover tool, contact switches are fixedly installed at the top end of the support frame near the front side and the rear side, and a controller is fixedly installed at one side of the support frame.

[0008] Preferably, the contact switch is electrically connected with the fan, and the controller is electrically connected with the motor, the air cylinder and the fan.

[0009] Preferably, a screw rod is fixedly installed at the output end of the motor, the screw rod is screwed with a threaded hole formed in the connecting plate, one end of the screw rod is rotatably connected to the front surface of the fixed plate near the front side of the support frame through a bearing seat, and the connecting plate is limitingly connected with the two fixed plates.

[0010] Preferably, a limiting rod is fixedly installed between the two fixed plates, and the limiting rod movably penetrates the connecting plate.

[0011] Preferably, a bead groove is formed in the bottom end of the first cover tool and the second cover tool, and a plurality of rolling beads are embedded in the bead groove and rotatably connected with the top end of the support frame.

[0012] Preferably, the number of the rolling beads at the bottom end of the first cover tool and the second cover tool is four.

[0013] The utility model provides a new energy lithium battery cover laser welding clamp.

[0014] (1) the new energy lithium battery cover laser welding clamp can set up two groups of cover tools to support and fix the cover, greatly improves the fixing and welding efficiency of the cover, and through the fan, the cooling efficiency of the cover after welding is greatly improved, personnel can take out and replace conveniently, solves the problem that the cover on the cover tool in the prior art needs to be naturally cooled after welding, then the cover is taken out, a batch of covers to be welded is replaced, the equipment downtime is long, and the welding efficiency is affected.

[0015] (2) The new energy lithium battery cover plate laser welding clamp, through the setting of the ball and the ball groove, can support the cover plate tool 1 and the cover plate tool 2 to a certain extent, and greatly reduces the friction between the cover plate tool 1, the cover plate tool 2 and the support frame, and reduces the wear. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a side sectional structure schematic view of the utility model;

[0018] Figure 3 It is a whole structure schematic view of the utility model Figure 2 It is an enlarged structure schematic view of A part of the utility model;

[0019] Figure 4 It is an enlarged structure schematic view of B part of the utility model Figure 2 It is an enlarged structure schematic view of B part of the utility model;

[0020] Figure 5 It is a cover plate tool 2 bottom structure schematic view of the utility model;

[0021] Figure 6 It is an enlarged structure schematic view of C part of the utility model. Figure 6

[0022] In the drawing: 1, support frame; 2, cover plate tool 1; 3, cover plate tool 2; 4, pressing plate; 5, air cylinder; 6, connecting frame; 7, connecting plate; 8, fixed plate; 9, motor; 10, screw rod; 11, limiting rod; 12, moving groove; 13, baffle; 14, abutting block; 15, contact switch; 16, fixed frame; 17, fan; 18, fixed rod; 19, controller; 20, ball; 21, ball groove. DETAILED DESCRIPTION

[0023] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0024] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.​

[0025] In the description of the utility model, it is explained that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0026] As Figures 1-6 Indicated, the utility model provides a technical scheme: a new energy lithium battery cover plate laser welding clamp, including support frame 1, cover plate tool one 2 and cover plate tool two 3, cover plate tool one 2 and cover plate tool two 3 bottom fixed installation have connecting frame 6, support frame 1 top is equipped with moving groove 12, connecting frame 6 movably penetrates moving groove 12, connecting frame 6 inner side fixed installation have connecting plate 7, support frame 1 inner wall top fixed installation have pneumatic cylinder 5, pressing plate 4 fixed installation in the piston rod top of pneumatic cylinder 5, support frame 1 inner wall top is close to front side and rear side and is fixedly installed with fixed plate 8, close to the front side of support frame 1 Fixed plate 8 front surface fixed installation have motor 9, connecting plate 7 and motor 9 transmission connection;

[0027] Pressing plate 4 front side and rear side are provided with baffle 13, baffle 13 fixed installation is in support frame 1 top, baffle 13 outer side fixed installation have fixed rod 18, fixed rod 18 one end fixed installation have fixed frame 16, fixed frame 16 inner wall fixed installation have fan 17, cover plate tool one 2 front side and cover plate tool two 3 rear side are fixedly installed with resistance block 14, support frame 1 top is close to front side and rear side and is fixedly installed with contact switch 15, one side of support frame 1 fixed installation have controller 19.

[0028] Cover plate tool one 2 and cover plate tool two 3 in it are the disclosed technology in "lithium battery cover plate laser welding clamp" with the announcement number CN222370631U, patent name, so this article and the drawing do not carry out detailed description and draw.

[0029] In the technical scheme, the new energy lithium battery cover plate laser welding clamp can be used to place the cover plates to be welded on the cover plate tool one 2 and the cover plate tool two 3 at the same time, then the controller 19 is started to drive the air cylinder 5 to retract, the air cylinder 5 drives the pressing plate 4 to move downward, the pressing plate 4 is used to press the cover plates on the cover plate tool one 2, then the cover plates on the cover plate tool one 2 can be laser welded, when the cover plates on the cover plate tool one 2 are welded, the air cylinder 5 is started to extend, the air cylinder 5 drives the pressing plate 4 to move upward, then the motor 9 is started, the motor 9 drives the screw rod 10 to rotate, the screw rod 10 drives the connecting plate 7 to move, the connecting plate 7 drives the cover plate tool one 2 and the cover plate tool two 3 to move backward through the connecting frame 6, the cover plate tool two 3 moves to the lower side of the pressing plate 4, then the air cylinder 5 is started again to press the cover plates on the cover plate tool two 3 through the pressing plate 4, then laser welding is performed, when the cover plates on the cover plate tool two 3 are laser welded, the cover plate tool one 2 drives the abutting block 14 to contact the contact switch 15, at this time, the fan 17 is automatically started to cool the welded cover plates on the cover plate tool one 2, the cooling efficiency of the cover plates is improved, when the cooling is completed, the fan 17 is controlled to be turned off through the controller 19, then the cooled cover plates on the cover plate tool one 2 are taken out, a batch of cover plates to be welded are replaced, when the cover plates on the cover plate tool two 3 are welded, the motor 9 is started in reverse to drive the cover plate tool one 2 and the cover plate tool two 3 to move forward, the cover plate tool one 2 moves to the lower side of the pressing plate 4 again, and the above process is repeated, two sets of cover plate tools can be arranged to support and fix the cover plates, the fixing and welding efficiency of the cover plates is greatly improved, the fan 17 can greatly improve the cooling efficiency of the cover plates after welding, the personnel can take out and replace the cover plates conveniently, and the problem that the cover plates on the cover plate tool need to be naturally cooled after welding, then the cover plates are taken out and a batch of cover plates to be welded are replaced in the prior art is solved, the equipment downtime is long, and the welding efficiency is affected.

[0030] Further, the contact switch 15 is electrically connected with the fan 17, and the controller 19 is electrically connected with the motor 9, the air cylinder 5 and the fan 17.

[0031] Further, the motor 9 is fixedly installed with the screw rod 10, the screw rod 10 is screwedly connected with the threaded holes in the connecting plate 7, one end of the screw rod 10 is rotationally connected to the front surface of the fixed plate 8 close to the front side of the supporting frame 1 through a bearing seat, and the connecting plate 7 is limitingly connected with the two fixed plates 8.

[0032] The motor 9 can drive the screw rod 10 to rotate, and the screw rod 10 drives the connecting plate 7 to move.

[0033] Further, the two fixed plates 8 are fixedly installed with the limiting rod 11, and the limiting rod 11 movably penetrates through the connecting plate 7.

[0034] By setting the limiting rod 11, the limiting effect on the connecting plate 7 can be achieved, and the stability of the connecting plate 7 during operation is further improved.

[0035] Further, the cover tool one 2 and the cover tool two 3 bottom are provided with the ball groove 21, the ball groove 21 is embedded with the rolling ball 20, the rolling ball 20 is rollingly connected with the top end of the support frame 1.

[0036] Wherein, by setting the rolling ball 20 and the ball groove 21, the cover tool one 2 and the cover tool two 3 can be supported to a certain extent, and the friction between the cover tool one 2, the cover tool two 3 and the support frame 1 is greatly reduced, and the abrasion is reduced.

[0037] Further, the number of the rolling ball 20 at the bottom of the cover tool one 2 and the cover tool two 3 is four.

[0038] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A new energy lithium battery cover plate laser welding clamp, comprising a support frame (1), a cover plate tool one (2) and a cover plate tool two (3), characterized in that: The cover tool one (2) and the cover tool two (3) bottom end fixed installation has the connecting frame (6), the support frame (1) top end is equipped with the moving groove (12), the connecting frame (6) mobilely penetrates moving groove (12), the connecting frame (6) inside fixed installation has the connecting plate (7), the support frame (1) inner wall top end fixed installation has the pneumatic cylinder (5), the pressing plate (4) fixed installation is in the piston rod top end of pneumatic cylinder (5), the support frame (1) inner wall top end is close to the front side and rear side and is fixedly installed with the fixed plate (8), the fixed plate (8) front side fixed installation has the motor (9) close to the front side of support frame (1), the connecting plate (7) and motor (9) transmission connection; The pressing plate (4) front side and rear side are provided with baffle (13), the baffle (13) fixed installation is in the support frame (1) top end, the baffle (13) outside fixed installation has the fixed rod (18), the fixed rod (18) one end fixed installation has the fixed frame (16), the fixed frame (16) inner wall fixed installation has the fan (17), the cover tool one (2) front side and the cover tool two (3) rear side are fixedly installed with the resistance block (14), the support frame (1) top end is close to the front side and rear side and is fixedly installed with the contact switch (15), one side of the support frame (1) fixed installation has the controller (19).

2. The clamp for laser welding of a cover plate of a new energy lithium battery according to claim 1, characterized in that: The contact switch (15) and fan (17) electric connection, the controller (19) and motor (9), pneumatic cylinder (5), fan (17) electric connection.

3. The clamp for laser welding of a cover plate of a new energy lithium battery according to claim 1, characterized in that: The motor (9) output fixed installation has screw rod (10), the screw rod (10) and the threaded hole of connecting plate (7) are screwed, the screw rod (10) one end is rotatably connected in the fixed plate (8) front side close to the front side of support frame (1), the connecting plate (7) and two fixed plate (8) limit connection.

4. The clamp for laser welding of a cover plate of a new energy lithium battery according to claim 3, characterized in that: Two fixed plate (8) between fixed installation has the limit rod (11), the limit rod (11) mobilely penetrates the connecting plate (7).

5. The clamp for laser welding of a cover plate of a new energy lithium battery according to claim 1, characterized in that: The cover tool one (2) and the cover tool two (3) bottom end are equipped with the bead groove (21), the bead groove (21) is embedded with the rolling ball (20) rolling, the rolling ball (20) and support frame (1) top end rolling connection.

6. The clamp for laser welding of a cover plate of a new energy lithium battery according to claim 5, characterized in that: The number of rolling ball (20) in the bottom end of cover tool one (2) and cover tool two (3) is four.

Citation Information

Patent Citations

  • Clamp for laser welding of lithium battery cover plate

    CN222370631U