Automatic spot welding equipment for battery

By designing the conveying, positioning, moving, supporting and welding components of automatic spot welding equipment, the automated welding of battery pack connecting plates is achieved, which solves the problem of low production efficiency of existing equipment and improves the welding quality and efficiency of battery packs.

CN223382853UActive Publication Date: 2025-09-26JINQU ELECTRONICS (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202422230522.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-09-26
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

Existing battery pack welding equipment can only perform spot welding on one side at a time, resulting in low production efficiency.

Method used

An automatic spot welding equipment including a conveying component, a positioning component, a moving component, a supporting component and a welding component is designed. Through the coordinated work of these components, the automatic welding of the battery pack connecting pieces is realized to ensure that the battery pack is formed in one step.

Benefits of technology

The automated welding of battery pack connectors is achieved, which saves spot welding time, improves production efficiency, and effectively prevents battery pack offset from affecting spot welding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides automatic spot welding equipment for a battery, which comprises a spot welding machine body, a conveying component, a positioning component, a moving component, a supporting component and a welding component, and is characterized in that the conveying component, the positioning component, the moving component, the supporting component and the welding component work cooperatively; automatic welding of the battery pack connecting piece and one-time welding forming of the battery pack connecting piece are achieved, the spot welding time is saved, the production efficiency is improved, the jig for bearing the battery pack is positioned by arranging the positioning assembly, the situation that the spot welding quality is affected due to the fact that the battery pack deviates is effectively prevented, and the quality of a battery is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the field of battery connecting piece processing, in particular to an automatic spot welding device for batteries. Background Art

[0002] Patent document CN220498034U discloses an automatic spot welding machine for lithium battery pack welding, relating to the field of lithium battery pack assembly technology, including a spot welding machine welding head, a rotating seat: the rotating seat is used to arrange lithium batteries neatly, and a T-shaped slot is provided on the rotating seat, the T-shaped slot is used to place a conductive sheet connecting the positive / negative poles of several batteries, the side edge of one side of the rotating seat is fixedly connected to a stopper, and the other side edge of the rotating seat is provided with a movable plate sliding relative to the stopper, a first pressure plate and a second pressure plate: the first pressure plate and the second pressure plate are respectively arranged on both sides of the rotating seat and slide relative to the rotating seat, and the first pressure plate and the second pressure plate are respectively penetrated by a plurality of hollow rings facing the rotating seat. The top and bottom ends of the battery are swapped by rotating the rotating seat 180 degrees, so that it is convenient for personnel to pass through the hollow rings on the other and the first pressure plate or the second pressure plate to allow the spot welding machine welding head to pass through and spot weld the battery to the conductive sheet in the T-shaped slot.

[0003] However, the spot welding machine can only spot weld one side at a time, and a group of battery packs needs to be welded twice, which reduces production efficiency. Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic spot welding device for batteries to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the present invention to solve its technical problems is:

[0006] An automatic spot welding device for a battery, comprising a spot welding machine body and:

[0007] A conveying assembly is provided in the spot welding machine body, and a battery pack accommodation space is provided on the surface of the conveying assembly;

[0008] A positioning assembly is provided at the bottom of the conveying assembly and is used to limit the position of the battery pack;

[0009] A moving component is provided in the spot welding machine body, and a moving space is provided on the surface of the moving component;

[0010] A support assembly is provided on the moving assembly, and an assembly space is provided on the surface of the support assembly;

[0011] The welding assembly is arranged on the supporting assembly and is used to perform electric welding on the battery pack.

[0012] The utility model is further configured such that the conveying assembly includes:

[0013] The conveyor belt is arranged in the spot welding machine body, and the surface of the conveyor belt is provided with an accommodating space.

[0014] The utility model is further configured such that the positioning assembly includes:

[0015] A first driving cylinder, which is arranged at the bottom of the conveyor belt, with an output end of the first driving cylinder arranged upward, and an assembly space being provided on a surface of the output end of the first driving cylinder;

[0016] A positioning rod is provided on the output end surface of the first driving cylinder. The positioning rod is rectangular in shape and is used to limit the battery pack.

[0017] The utility model is further configured such that the mobile assembly includes:

[0018] A pair of longitudinal guide rails are provided, and the longitudinal guide rails are symmetrically arranged on both sides of the spot welding machine body, and a moving space is provided on the surface of the longitudinal guide rails;

[0019] A movable plate is arranged on the longitudinal guide rail, and an assembly space is provided on the surface of the movable plate. The movable plate can move under the drive of the longitudinal guide rail;

[0020] A transverse guide rail is arranged on the surface of the movable plate, a movable groove is arranged in the transverse guide rail, and a movable space is arranged on the surface of the transverse guide rail.

[0021] The utility model is further configured such that the support assembly includes:

[0022] a second driving cylinder, the second driving cylinder being arranged on one side of the transverse guide rail, the driving end of the second driving cylinder being arranged toward the transverse guide rail, and the surface of the driving end being provided with an assembly space;

[0023] A connecting frame is arranged in the transverse guide rail, one end of the connecting frame is connected to the driving end of the second driving cylinder, and an assembly space is provided on the surface of the connecting frame.

[0024] The utility model is further configured such that the welding assembly comprises:

[0025] A spot welding drive mechanism is provided on one side of the connecting frame and faces the conveyor belt;

[0026] A pair of welding heads are provided, the welding heads are connected to the output end of the spot welding drive mechanism, and the battery pack is welded by the welding heads.

[0027] The present invention is further configured such that the axes of the welding heads coincide with each other.

[0028] The advantages of the present invention are:

[0029] 1. The utility model realizes the automated welding of battery pack connecting pieces through the coordinated work among the conveying assembly, positioning assembly, moving assembly, supporting assembly and welding assembly, and welds the battery pack connecting pieces in one step, thus saving spot welding time and accelerating production efficiency.

[0030] 2. The utility model positions the fixture that carries the battery pack by setting a positioning component, effectively preventing the battery pack from shifting and affecting the spot welding quality, and effectively increasing the quality of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a front view of the automatic spot welding equipment for batteries proposed by the utility model.

[0032] Figure 2 It is a right side view of the automatic spot welding equipment for batteries proposed by the present invention.

[0033] Figure 3 It is a top view of the automatic spot welding equipment for batteries proposed by the present utility model.

[0034] Figure 4 It is a three-dimensional diagram of the automatic spot welding equipment for batteries proposed by the utility model.

[0035] Figure 5 yes Figure 4 A partial enlarged view of point A in the middle.

[0036] Numeral symbols: conveyor belt 110, first driving cylinder 210, positioning rod 220, longitudinal guide rail 310, movable plate 320, transverse guide rail 330, movable groove 331, second driving cylinder 410, connecting frame 420, spot welding driving mechanism 510, welding head 520 DETAILED DESCRIPTION

[0037] In order to make the purpose, 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 in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0038] like Figure 1-5 As shown, the utility model proposes an automatic spot welding device for batteries, including a spot welding machine body, and also includes a conveying component, a positioning component, a moving component, a supporting component and a welding component. The conveying component is arranged in the spot welding machine body, and a battery pack accommodating space is provided on the surface of the conveying component. The positioning component is arranged at the bottom of the conveying component, and the battery pack is limited by the positioning component. The moving component is arranged in the spot welding machine body, and a moving space is provided on the surface of the moving component. The supporting component is arranged on the moving component, and an assembly space is provided on the surface of the supporting component. The welding component is arranged on the supporting component, and the battery pack is welded by the welding component.

[0039] In this embodiment, the conveying assembly includes a conveyor belt 110, which is arranged in the spot welding machine body, and a receiving space is provided on the surface of the conveyor belt.

[0040] In this embodiment, the positioning assembly includes a first driving cylinder 210 and a positioning rod 220. The first driving cylinder is arranged at the bottom of the conveyor belt. The output end of the first driving cylinder is arranged upward. The output end surface of the first driving cylinder is provided with an assembly space. The positioning rod is arranged on the output end surface of the first driving cylinder. The positioning rod is in the shape of a rectangle, and the battery pack is limited by the positioning rod.

[0041] In this embodiment, the moving assembly includes a longitudinal guide rail 310, a moving plate 320 and a transverse guide rail 330. A pair of longitudinal guide rails are provided, and the longitudinal guide rails are symmetrically arranged on both sides of the spot welding machine body. The surface of the longitudinal guide rail is provided with a moving space, the moving plate is provided on the longitudinal guide rail, and the surface of the moving plate is provided with an assembly space. The moving plate can move under the drive of the longitudinal guide rail. The transverse guide rail is provided on the surface of the moving plate, and a moving groove 331 is provided in the transverse guide rail. The surface of the transverse guide rail is provided with a moving space.

[0042] In this embodiment, the support assembly includes a second driving cylinder 410 and a connecting frame 420. The second driving cylinder is arranged on one side of the transverse guide rail, and the driving end of the second driving cylinder is arranged toward the transverse guide rail. An assembly space is provided on the surface of the driving end. The connecting frame is arranged in the transverse guide rail, and one end of the connecting frame is connected to the driving end of the second driving cylinder. An assembly space is provided on the surface of the connecting frame.

[0043] In this embodiment, the welding assembly includes a spot welding drive mechanism 510 and a welding head 520. The spot welding drive mechanism is arranged on one side of the connecting frame and is arranged toward the conveyor belt. The spot welding drive mechanism is a prior art and will not be described in detail here. A pair of welding heads are provided, which are connected to the output end of the spot welding drive mechanism, and the welding heads are used to perform electric welding on the battery pack.

[0044] In this embodiment, the axes of the welding heads coincide with each other.

[0045] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", and "right" indicate an orientation or positional relationship, they should be understood as being based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two elements. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. An automatic spot welding device for batteries, comprising a spot welding machine body, characterized in that: Also includes: A conveying assembly is provided in the spot welding machine body, and a battery pack accommodation space is provided on the surface of the conveying assembly; A positioning assembly is provided at the bottom of the conveying assembly and is used to limit the position of the battery pack; A moving component is provided in the spot welding machine body, and a moving space is provided on the surface of the moving component; A support assembly is provided on the moving assembly, and an assembly space is provided on the surface of the support assembly; The welding assembly is arranged on the supporting assembly and is used to perform electric welding on the battery pack.

2. The automatic spot welding device for batteries according to claim 1, characterized in that: The conveyor assembly includes: A conveyor belt is arranged in the spot welding machine body, and a receiving space is arranged on the surface of the conveyor belt.

3. The automatic spot welding equipment for batteries according to claim 2, characterized in that: Positioning components include: A first driving cylinder, which is arranged at the bottom of the conveyor belt, with an output end of the first driving cylinder arranged upward, and an assembly space being provided on a surface of the output end of the first driving cylinder; A positioning rod is provided on the output end surface of the first driving cylinder. The positioning rod is rectangular in shape and is used to limit the battery pack.

4. The automatic spot welding equipment for batteries according to claim 1, characterized in that: The mobile components include: A pair of longitudinal guide rails are provided, and the longitudinal guide rails are symmetrically arranged on both sides of the spot welding machine body, and a moving space is provided on the surface of the longitudinal guide rails; A movable plate is arranged on the longitudinal guide rail, and an assembly space is provided on the surface of the movable plate. The movable plate can move under the drive of the longitudinal guide rail; A transverse guide rail is arranged on the surface of the movable plate, a movable groove is arranged in the transverse guide rail, and a movable space is arranged on the surface of the transverse guide rail.

5. The automatic spot welding device for batteries according to claim 4, characterized in that: The support components include: a second driving cylinder, the second driving cylinder being arranged on one side of the transverse guide rail, the driving end of the second driving cylinder being arranged toward the transverse guide rail, and the surface of the driving end being provided with an assembly space; A connecting frame is arranged in the transverse guide rail, one end of the connecting frame is connected to the driving end of the second driving cylinder, and an assembly space is provided on the surface of the connecting frame.

6. The automatic spot welding device for batteries according to claim 5, characterized in that: Welding components include: A spot welding drive mechanism is provided on one side of the connecting frame and faces the conveyor belt; A pair of welding heads are provided, the welding heads are connected to the output end of the spot welding drive mechanism, and the battery pack is welded by the welding heads.

7. The automatic spot welding device for batteries according to claim 6, characterized in that: The axes of the welding heads coincide with each other.

Citation Information

Patent Citations

  • Automatic spot welding machine for welding lithium battery pack

    CN220498034U