CN218919212U - Welding fixture for battery negative electrode leading-out terminal - Google Patents
Welding fixture for battery negative electrode leading-out terminal Download PDFInfo
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- CN218919212U CN218919212U CN202220801357.XU CN202220801357U CN218919212U CN 218919212 U CN218919212 U CN 218919212U CN 202220801357 U CN202220801357 U CN 202220801357U CN 218919212 U CN218919212 U CN 218919212U
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- jaw chuck
- negative electrode
- longitudinal
- battery negative
- jaw
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- 238000003466 welding Methods 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 5
- 238000002407 reforming Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of lithium battery production, and particularly relates to a welding fixture for a battery negative electrode lead-out terminal, which comprises the following components: the horizontal clamping assembly comprises a three-jaw chuck, movable jaws, longitudinal clamping jaws and longitudinal sliding grooves, wherein the movable jaws are uniformly distributed at the top of the three-jaw chuck in a sliding manner, the longitudinal clamping jaws are arranged at one end, close to the center of the three-jaw chuck, of each movable jaw, and the longitudinal sliding grooves with openings at the tops are formed in one side, close to the center of the three-jaw chuck, of each longitudinal clamping jaw; the vertical clamping assembly is arranged in the longitudinal sliding groove, the vertical clamping assembly comprises a sliding rod, a pressing sheet and a spring, the sliding rod is arranged in the longitudinal sliding groove, the top end of the sliding rod is provided with the pressing sheet facing the center of the three-jaw chuck, the pressing sheet at the top end of the vertical clamping assembly is used for pressing and fastening the battery negative electrode leading-out terminal to the battery negative electrode, the terminal of the battery negative electrode is conveniently welded, the device is made by reforming the three-jaw chuck, the use cost is low, and the positioning accuracy is high.
Description
Technical Field
The utility model relates to the technical field of lithium battery production, in particular to a welding fixture for a battery negative electrode leading-out terminal.
Background
Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The lithium metal battery which is a fifth generation product of the rechargeable battery is born in 1996, the safety, the specific capacity, the self-discharge rate and the cost performance ratio of the lithium metal battery are all superior to those of the lithium ion battery, a lithium battery production enterprise usually uses a fixed clamp on a turntable to carry out the production of related procedures in the welding process of a leading-out terminal, and the turntable is driven by a DD motor or a cam divider to carry out the switching of each station, so that the situation that the cathode leading-out terminal, the battery and the clamp do not shake relatively in the moving process of the turntable is required to be ensured.
Because the battery negative electrode terminal and the positive electrode terminal are flat and convex, the existing clamp cannot accurately clamp the battery negative electrode terminal, and the welding effect is affected.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-mentioned and/or problems occurring in the prior art welding jigs for battery negative electrode lead-out terminals.
Therefore, the utility model aims to provide the welding fixture for the battery negative electrode leading-out terminal, which is characterized in that the clamping jaw of the three-jaw chuck is used for clamping and fixing the side wall of the battery, the battery is kept at the center position of the three-jaw chuck, the battery is jacked up by the jacking component, the jacked battery is longitudinally clamped and fixed by the vertical clamping component, and in the clamping process, the battery negative electrode leading-out terminal is pressed and fixed on the battery negative electrode by the pressing sheet at the top end of the vertical clamping component, so that the terminal of the battery negative electrode is conveniently welded, the welding fixture is manufactured by adopting the three-jaw chuck in a reconstruction mode, the use cost is low, the positioning accuracy is high, and the welding effect is ensured.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a battery negative electrode lead-out terminal welding jig, comprising:
the horizontal clamping assembly comprises a three-jaw chuck, movable jaws, longitudinal clamping jaws and longitudinal sliding grooves, wherein the movable jaws are uniformly distributed on the top of the three-jaw chuck in a sliding manner, the longitudinal clamping jaws are arranged at one end, close to the center of the three-jaw chuck, of each movable jaw, and the longitudinal sliding grooves with openings at the tops are formed in one side, close to the center of the three-jaw chuck, of each longitudinal clamping jaw;
the vertical clamping assembly is arranged in the longitudinal sliding groove and comprises a sliding rod, a pressing sheet and a spring, the sliding rod is arranged in the longitudinal sliding groove, the top end of the sliding rod is provided with the pressing sheet facing the center of the three-jaw chuck, and the spring is connected between the bottom of the sliding rod and the bottom of the longitudinal sliding groove;
the jacking assembly is arranged at the center of the three-jaw chuck and comprises a hydraulic cylinder, a supporting plate and an anode accommodating groove, wherein the supporting plate is arranged at the top of the hydraulic cylinder, and the anode accommodating groove is formed in the center of the top of the supporting plate.
As a preferable scheme of the welding fixture for the battery negative electrode lead-out terminal, the welding fixture comprises the following components: the three-jaw chuck bottom is provided with the base, the base bottom is provided with evenly distributed's horizontal lower margin.
As a preferable scheme of the welding fixture for the battery negative electrode lead-out terminal, the welding fixture comprises the following components: the bottom of the hydraulic cylinder is provided with an electric turntable, and the axes of the three-jaw chuck, the electric turntable and the hydraulic cylinder are mutually overlapped.
As a preferable scheme of the welding fixture for the battery negative electrode lead-out terminal, the welding fixture comprises the following components: and a protective rubber cushion is arranged on one side of the longitudinal clamping jaw, which is close to the center of the three-jaw chuck.
As a preferable scheme of the welding fixture for the battery negative electrode lead-out terminal, the welding fixture comprises the following components: the slide bar and the pressing piece adopt an integrated insulation structure.
As a preferable scheme of the welding fixture for the battery negative electrode lead-out terminal, the welding fixture comprises the following components: the top of the supporting plate is provided with an insulating pad, and the surface of the insulating pad is parallel to the surface of the supporting plate.
Compared with the prior art: according to the utility model, the clamping jaw of the three-jaw chuck is used for clamping and fixing the side wall of the battery, the battery is kept at the center of the three-jaw chuck, the battery is jacked up through the jacking component, the vertical clamping component is used for longitudinally clamping and fixing the jacked battery, and in the clamping process, the tabletting at the top end of the vertical clamping component is used for pressing and fixing the battery negative electrode leading-out terminal on the battery negative electrode, so that the terminal of the battery negative electrode is conveniently welded, and the device is manufactured by adopting the three-jaw chuck in a reconstruction way, so that the use cost is low and the positioning accuracy is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic view of an axial structure of the present utility model;
FIG. 2 is a schematic view of a horizontal clamping assembly according to the present utility model;
fig. 3 is a schematic view showing a battery clamping state structure according to the present utility model.
In the figure: 100 horizontal clamping components, 110 three-jaw chucks, 120 movable jaws, 130 longitudinal clamping jaws, 140 longitudinal sliding grooves, 200 vertical clamping components, 210 sliding bars, 220 pressing sheets, 230 springs, 300 jacking components, 310 hydraulic cylinders, 320 supporting plates and 330 positive electrode accommodating grooves.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a battery negative electrode leading-out terminal welding fixture, which adopts a clamping jaw of a three-jaw chuck to clamp and fix a battery side wall, keeps the battery at the center position of the three-jaw chuck, jacks up the battery through a jacking component, vertically clamps and fixes the jacked battery, and in the clamping process, a pressing sheet at the top end of the vertical clamping component presses and fixes the battery negative electrode leading-out terminal at a battery negative electrode, so that the terminal of the battery negative electrode is convenient to weld, and the device is manufactured by adopting the three-jaw chuck in a reconstruction way, has low use cost and high positioning accuracy, and is shown in figures 1-3, and comprises the following components: a horizontal clamping assembly 100, a vertical clamping assembly 200, and a jacking assembly 300.
The horizontal clamping assembly 100 comprises a three-jaw chuck 110, movable jaws 120, longitudinal clamping jaws 130 and a longitudinal sliding groove 140, wherein the movable jaws 120 are uniformly distributed on the top of the three-jaw chuck 110 in a sliding manner, the longitudinal clamping jaws 130 are arranged at one end, close to the center of the three-jaw chuck 110, of each movable jaw 120, the longitudinal sliding groove 140 is formed in one side, close to the center of the three-jaw chuck 110, of each longitudinal clamping jaw 130, the movable jaws 120 and the longitudinal clamping jaws 130 of the three-jaw chuck 110 are of an integrated sliding structure, the three movable jaws 120 can synchronously slide on the three-jaw chuck 110 in the radial direction, the longitudinal clamping jaws 130 synchronously clamp the side wall of a battery, the battery is kept at the center of the three-jaw chuck 110, and the longitudinal sliding grooves 140 are used for installing the vertical clamping assembly 200, so that the vertical clamping assembly 200 moves up and down in the longitudinal sliding groove 140.
The vertical clamping assembly 200 is arranged in the longitudinal sliding groove 140, the vertical clamping assembly 200 comprises a sliding rod 210, a pressing sheet 220 and a spring 230, the sliding rod 210 is arranged in the longitudinal sliding groove 140, the top end of the sliding rod 210 is provided with the pressing sheet 220 facing the center of the three-jaw chuck 110, the spring 230 is connected between the bottom of the sliding rod 210 and the bottom of the longitudinal sliding groove 140, the sliding rod 210 moves up and down in the longitudinal sliding groove 140, the pressing sheet 220 presses a terminal of a battery cathode, when the pressing sheet 220 is pressed down, the spring 230 is in an extension state, and the terminal of the battery cathode is pressed and fixed on the battery cathode under the rebound action of the spring 230.
The jacking component 300 is arranged at the center of the three-jaw chuck 110, the jacking component 300 comprises a hydraulic cylinder 310, a supporting plate 320 and an anode accommodating groove 330, the supporting plate 320 is arranged at the top of the hydraulic cylinder 310, the anode accommodating groove 330 is arranged at the center of the top of the supporting plate 320, and a positive terminal of a battery is arranged in the anode accommodating groove 330, so that the supporting plate 320 supports the end wall of the positive electrode of the battery, the hydraulic cylinder 310 drives the battery to lift, and the welding height of the battery is adjusted.
The bottom of the three-jaw chuck 110 is provided with a base, the bottom of the base is provided with uniformly distributed horizontal feet, and the stability of the clamp is improved
The bottom of the hydraulic cylinder 310 is provided with an electric turntable, the axes of the three-jaw chuck 110, the electric turntable and the hydraulic cylinder 310 are mutually overlapped, and the electric turntable drives the hydraulic cylinder 310 to rotate, so that the battery rotates along with the hydraulic cylinder 310, and the welding position of the negative terminal of the battery is adjusted.
And a protective rubber pad is arranged on one side of the longitudinal clamping jaw 130 close to the center of the three-jaw chuck 110, so that abrasion of the outer wall of the battery is avoided.
The slide bar 210 and the pressing piece 220 adopt an integrated insulating structure, so that the structural strength is improved, and the conduction is avoided.
The top of the pallet 320 is provided with an insulating pad, the surface of which is parallel to the surface of the pallet 320, and the battery is kept in a vertical state and placed on the top of the pallet 320.
When the battery is put into use, the movable jaw 120 of the three-jaw chuck 110 is positioned at the outer edge of the three-jaw chuck 110, the hydraulic cylinder 310 is retracted, and the spring 230 is in a natural state;
the positive terminal of the battery is placed in the positive accommodating groove 330, the supporting plate 320 supports the positive end wall of the battery, the battery is in a vertical placement state at the moment, then the movable claws 120 are slid, due to the characteristic that the three-claw chuck is synchronously movable and clamping, the three movable claws 120 synchronously slide on the three-claw chuck 110 along the radial direction, the longitudinal clamping claws 130 synchronously clamp the side wall of the battery, the battery is kept at the center position of the three-claw chuck 110, and the clamping of the side wall of the battery is completed, at the moment, a certain interval exists between the negative electrode of the battery and the pressing sheet 220;
the hydraulic cylinder 310 drives the battery to lift, so that the battery cathode moves upwards to be attached to the pressing sheet 220, the leading-out terminal of the battery cathode is placed at the battery cathode, the negative terminal is pressed and fixed on the battery cathode through the pressing sheet 220, then the hydraulic cylinder 310 continues to lift, the sliding rod 210 is driven to move upwards by the pressing sheet 220, so that the battery cathode protrudes, and the welding is convenient, at the moment, the spring 230 is in an extension state under the pulling of the sliding rod 210, the pressing sheet 220 presses the leading-out terminal of the cathode under the rebound pressure of the spring 230, the clamping stability is improved, and the clamping and fixing of the battery leading-out terminal are completed;
because the three slide bars 210 and the pressing piece 220 are uniformly distributed on the outer wall of the battery, the wafer of the battery negative electrode leading-out terminal is also positioned in the center of the slide bar 210 and is kept in a coaxial state with the battery, and the battery negative electrode terminal can be positioned and clamped
The movable claws of the original three-claw chuck are refitted and matched with the hydraulic cylinder, so that the production and processing of the device can be realized, the processing cost is low, and the positioning precision is maintained under the synchronous action of the three-claw chuck.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A battery negative electrode lead-out terminal welding jig, comprising:
the horizontal clamping assembly (100) comprises a three-jaw chuck (110), movable jaws (120), longitudinal clamping jaws (130) and longitudinal sliding grooves (140), wherein the movable jaws (120) which are uniformly distributed are arranged at the top of the three-jaw chuck (110) in a sliding manner, the longitudinal clamping jaws (130) are arranged at one end, close to the center of the three-jaw chuck (110), of each movable jaw (120), and the longitudinal sliding grooves (140) with openings at the tops are formed in one side, close to the center of the three-jaw chuck (110), of each longitudinal clamping jaw (130);
the vertical clamping assembly (200) is arranged in the longitudinal sliding groove (140), the vertical clamping assembly (200) comprises a sliding rod (210), a pressing sheet (220) and a spring (230), the sliding rod (210) is arranged in the longitudinal sliding groove (140), the pressing sheet (220) facing the center of the three-jaw chuck (110) is arranged at the top end of the sliding rod (210), and the spring (230) is connected between the bottom of the sliding rod (210) and the bottom of the longitudinal sliding groove (140);
the jacking assembly (300) is arranged at the center of the three-jaw chuck (110), the jacking assembly (300) comprises a hydraulic cylinder (310), a supporting plate (320) and an anode accommodating groove (330), the supporting plate (320) is arranged at the top of the hydraulic cylinder (310), and the anode accommodating groove (330) is formed in the center of the top of the supporting plate (320).
2. The welding fixture for the battery negative electrode lead-out terminal according to claim 1, wherein a base is arranged at the bottom of the three-jaw chuck (110), and uniformly distributed horizontal ground feet are arranged at the bottom of the base.
3. The welding fixture for the battery negative electrode lead-out terminal according to claim 1, wherein an electric turntable is arranged at the bottom of the hydraulic cylinder (310), and axes of the three-jaw chuck (110), the electric turntable and the hydraulic cylinder (310) are mutually overlapped.
4. The welding fixture for the battery negative electrode lead-out terminal according to claim 1, wherein the side of the longitudinal clamping jaw (130) close to the center of the three-jaw chuck (110) is provided with a protective rubber pad.
5. The welding fixture for the battery negative electrode lead-out terminal according to claim 1, wherein the slide bar (210) and the pressing piece (220) are of an integrated insulating structure.
6. The welding fixture for the battery negative electrode lead-out terminal according to claim 1, wherein an insulating pad is arranged on the top of the supporting plate (320), and the surface of the insulating pad is parallel to the surface of the supporting plate (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220801357.XU CN218919212U (en) | 2022-04-08 | 2022-04-08 | Welding fixture for battery negative electrode leading-out terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220801357.XU CN218919212U (en) | 2022-04-08 | 2022-04-08 | Welding fixture for battery negative electrode leading-out terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218919212U true CN218919212U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220801357.XU Active CN218919212U (en) | 2022-04-08 | 2022-04-08 | Welding fixture for battery negative electrode leading-out terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218919212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619062A (en) * | 2023-07-25 | 2023-08-22 | 溧阳市明之盛科技有限公司 | Turning-around-adjustable turning device for machining pole of automobile power battery |
| CN119747935A (en) * | 2025-02-06 | 2025-04-04 | 苏州隆成电子设备有限公司 | A negative electrode welding machine for large cylindrical battery assembly |
-
2022
- 2022-04-08 CN CN202220801357.XU patent/CN218919212U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619062A (en) * | 2023-07-25 | 2023-08-22 | 溧阳市明之盛科技有限公司 | Turning-around-adjustable turning device for machining pole of automobile power battery |
| CN119747935A (en) * | 2025-02-06 | 2025-04-04 | 苏州隆成电子设备有限公司 | A negative electrode welding machine for large cylindrical battery assembly |
| CN119747935B (en) * | 2025-02-06 | 2025-11-07 | 苏州隆成电子设备有限公司 | Cathode welding machine for assembling large cylindrical battery |
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