Positioning tool for lithium battery production

By using staggered clamps and self-adjusting components in the lithium battery positioning fixture, the problems of inconsistent specifications and inaccurate positioning of irregularly shaped lithium batteries were solved, achieving multi-model compatibility and rapid positioning, thus improving production efficiency.

CN223917749UActive Publication Date: 2026-02-17ANHUI NANDU HUATUO NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520600630.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-17
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

In the existing technology, lithium batteries with inconsistent specifications and irregular structures cannot be quickly positioned during the sorting process, resulting in inaccurate positioning and cumbersome mold replacement.

Method used

The device employs a first and second clamping rod arranged in an interlocking manner, with a self-adjusting component installed on the inner side. Through the cooperation of the main self-adjusting block and the auxiliary self-adjusting block, tension is provided by springs and W-shaped spring sheets to achieve stable clamping of lithium batteries of different models and to be compatible with irregularly shaped cells.

Benefits of technology

It enables adaptive clamping based on lithium battery size, reduces the need for manufacturing frame molds, improves the compatibility and accuracy of positioning tooling, and saves changeover time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of lithium battery production, and particularly discloses a positioning tool for lithium battery production, which is used for solving the problem that lithium batteries with non-uniform specifications and special-shaped structures cannot be quickly positioned. Comprising a first clamping rod and a second clamping rod which are arranged in a staggered mode, self-adjusting assemblies are movably installed at the corners of the inner sides of the first clamping rod and the second clamping rod, each self-adjusting assembly comprises a main self-adjusting block and an auxiliary self-adjusting block which are arranged in a sliding mode, and a telescopic cavity is formed in the middle of the inner side of each auxiliary self-adjusting block; on one hand, adaptive clamping is carried out according to the specific size of the lithium battery, and while the lithium batteries of various models are compatible, manufacturing frame molds are reduced, positioning clamping of special-shaped battery cells is adapted, and the utilization rate and the universality of a positioning tool are improved; and on the other hand, the lithium batteries of the same model are positioned and clamped by a fixed frame structure at the stage that the product is not remodeled, so that the accuracy requirement at the mounting and debugging stages is greatly reduced, the positioning is more accurate, and the remodeling time is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery production technical field especially relates to a positioning tool for lithium electricity production. BACKGROUND

[0002] With the rapid expansion of lithium ion battery production capacity, the assembly precision and production efficiency of the battery cell become the key factors restricting the development of the industry; among them, the sorting process of the lithium battery is usually completed by the mechanical hand cooperating with the clamping head in the prior art, and the lithium battery with the fixed tool is positioned by the photoelectric identification in advance, and the accurate clamping is completed by the mechanical hand and the clamping head;

[0003] In combination with the above required description: in the prior art, referring to the utility model patent with the patent application number 202120393511U, a fixed L-shaped seat positioning structure is adopted, which only supports single size battery cells (such as 30cm or more in length), and special U-shaped seats need to be replaced for 8-30cm specification battery cells; for example, the utility model patent with the publication number CN222259532U proposes a sliding frame adjustment scheme, but does not solve the positioning and adaptation problems of special-shaped battery cells (such as trapezoidal and cylindrical);

[0004] Therefore, in view of the above technical defects, a solution is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a positioning tool for lithium electricity production to solve the problem that the lithium battery with different specifications and special-shaped structures cannot be quickly positioned.

[0006] The utility model can be realized by the following technical scheme: a positioning tool for lithium electricity production, comprising first clamping rods and second clamping rods arranged alternately, self-adjusting assemblies are movably installed on the inner side corners of the first clamping rods and the second clamping rods, the self-adjusting assemblies comprise main self-adjusting blocks and auxiliary self-adjusting blocks arranged in sliding mode, a telescopic cavity is formed in the inner side middle part of the auxiliary self-adjusting block, the auxiliary self-adjusting block is fixedly connected with a spring fixedly connected with the main self-adjusting block through one end in the telescopic cavity, a rotating bolt rod is rotatably installed on the outer end of the main self-adjusting block and is screw-connected with the first clamping rod, and a W-shaped elastic sheet is installed on one side of the auxiliary self-adjusting block and extends into the telescopic cavity.

[0007] Preferably, the first clamping rods and the second clamping rods are respectively provided with mortise and tenon ends arranged alternately at the proximal ends, locking holes are formed in the middle parts of the mortise and tenon ends of the first clamping rods and the second clamping rods, and fixed bolts are installed in the first clamping rods and the second clamping rods through the locking holes.

[0008] Preferably, the first clamping rods and the second clamping rods are arranged alternately through the locking holes at the upper and lower positions to form longitudinal extension.

[0009] The free end of the spring is preferably provided with a fixing plate, which is connected with a main self-adjusting block, and the main self-adjusting block is coincided with a vice self-adjusting block.

[0010] The first clamping rod and the second clamping rod are preferably provided with moving holes at the inner corners of the main self-adjusting block and the vice self-adjusting block, and the initial position of the W-shaped spring is in contact with one of the inner walls of the moving holes.

[0011] The inner side of the main self-adjusting block is preferably provided with symmetrically distributed guide grooves, and the outer side of the vice self-adjusting block is provided with a guide convex rod matched with the guide grooves.

[0012] The utility model discloses the beneficial effects of:

[0013] (1) the utility model discloses a lithium battery is adapted to the clamping of the specific size, and when the compatibility of multiple models lithium battery reduces the manufacturing frame mould, and the positioning clamping of special-shaped battery is adapted, and the utilization rate and the compatibility of positioning tool are improved, in this process, one end of lithium battery is pushed to one pair of vice self-adjusting blocks on one side and is pushed in, at this time, the vice self-adjusting block is in the state of spring and W-shaped spring compression and moves inwards, until the other end of lithium battery and the vice self-adjusting block on the other side complete the docking and stop, and the lithium battery is stably placed between the first clamping rod and the second clamping rod by being pressed downward.

[0014] (2) the positioning clamping of the same model lithium battery is carried out to the fixed frame structure in the stage that the product is not changed, in this process, the accuracy requirement of installation and debugging stage is greatly reduced, and the positioning is more accurate, and the change time is saved. ACCURATE DRAWINGS

[0015] The utility model will be further explained in connection with the drawings;

[0016] Figure 1 It is the structure perspective drawing of the utility model as a whole;

[0017] Figure 2 It is the bottom structure schematic view of the utility model;

[0018] Figure 3 It is the part structure cutaway schematic view of the utility model;

[0019] Figure 4 It is the structure split schematic view of the self-adjusting subassembly of the utility model;

[0020] Figure 5 It is the top schematic view of the utility model;

[0021] Figure 6 It is the clamping trend dynamic schematic view of the utility model.

[0022] Figure legend: 1, first clamping rod; 2, second clamping rod; 3, locking hole; 4, fixed bolt; 5, main self-adjusting block; 6, auxiliary self-adjusting block; 7, moving hole; 8, rotating bolt rod; 9, W spring piece; 10, guide convex rod; 11, guide groove; 12, fixed plate; 13, spring; 14, telescopic cavity. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Embodiment one: this embodiment is used to solve the problem that the lithium battery with non-uniform specifications and special-shaped structure cannot be quickly positioned.

[0025] Please refer to Figure 1 Figure 6 As shown in the figure, the embodiment is a positioning tool for lithium battery production, which comprises first clamping rod 1 and second clamping rod 2 arranged alternately, and self-adjusting assembly is movably installed at the inner corner of first clamping rod 1 and second clamping rod 2. The self-adjusting assembly comprises main self-adjusting block 5 and auxiliary self-adjusting block 6 arranged alternately, the inner side middle part of auxiliary self-adjusting block 6 is provided with telescopic cavity 14, one end of auxiliary self-adjusting block 6 in telescopic cavity 14 is fixedly connected with spring 13 fixedly connected with main self-adjusting block 5, the outer end of main self-adjusting block 5 is rotatably installed with rotating bolt rod 8 threadedly connected with first clamping rod 1, one side of auxiliary self-adjusting block 6 is installed with W spring piece 9 extending into telescopic cavity 14, wherein the common setting of spring 13 and W spring piece 9 provides the tension of auxiliary self-adjusting block 6 when adapting to different models of lithium battery, and finally realizes stable positioning and clamping;

[0026] The proximal ends of first clamping rod 1 and second clamping rod 2 are respectively provided with mortise and tenon ends arranged alternately, the middle parts of the mortise and tenon ends of first clamping rod 1 and second clamping rod 2 are commonly provided with locking hole 3, and first clamping rod 1 and second clamping rod 2 are installed with fixed bolt 4 through locking hole 3. First clamping rod 1 and second clamping rod 2 are alternately arranged through the locking holes 3 at the upper and lower positions to form a longitudinal extension, and the fixed bolt 4 is used for position locking after first clamping rod 1 and second clamping rod 2 are adapted to the product.

[0027] The free end of spring 13 is installed with fixed plate 12, fixed plate 12 is connected with main self-adjusting block 5, main self-adjusting block 5 is coincided with auxiliary self-adjusting block 6, the inner corner of first clamping rod 1 and second clamping rod 2 corresponding to main self-adjusting block 5 and auxiliary self-adjusting block 6 is provided with moving hole 7, and the initial position of W spring piece 9 is in contact with one of the inner walls of moving hole 7.

[0028] ​The inner side of the main self-adjusting block 5 is provided with symmetrically distributed guide grooves 11, and the outer side of the main self-adjusting block 5 is provided with guide protruding rods 10 matched with the guide grooves 11, and when the main self-adjusting block 5 and the auxiliary self-adjusting block 6 move relative to each other, the guide protruding rods 10 and the guide grooves 11 are connected in sliding connection, thereby ensuring the stability of the auxiliary self-adjusting block 6 during movement.

[0029] Referring to Figure 1 - Figure 5 As shown in the drawings, the lithium battery positioning tool main structure includes a first clamping rod 1 and a second clamping rod 2, and the first clamping rod 1 and the second clamping rod 2 are staggered to adapt to different models of the lithium battery to be clamped.

[0030] Specifically, first, the size of the lithium battery to be picked is determined, and the lithium battery is placed between the first clamping rod 1 and the second clamping rod 2, and then one end of the lithium battery is pushed onto one pair of auxiliary self-adjusting blocks 6 on one side and pushed inward, at this time, the auxiliary self-adjusting blocks 6 move inward under the compression of the spring 13 and the W-shaped elastic sheet 9, until the other end of the lithium battery is connected with the auxiliary self-adjusting blocks 6 on the other side, and then the lithium battery is placed stably between the first clamping rod 1 and the second clamping rod 2.

[0031] In this process, the lithium battery can be adaptively clamped according to the specific size, and while being compatible with multiple models of lithium batteries, the manufacturing of the frame mold is reduced, the positioning and clamping of special-shaped batteries are adapted, and the utilization rate and universality of the positioning tool are improved.

[0032] Embodiment two: this embodiment is based on embodiment one, and differs from embodiment one in that the first clamping rod 1 and the second clamping rod 2 are fixed structures.

[0033] Please refer to Figure 5 As shown in the drawings, the first clamping rod 1 and the second clamping rod 2 are fixed structures, and during the picking process of the lithium battery, the positioning and clamping of the same model of lithium battery are carried out by using the fixed frame structure during the stage when the product is not changed, in this process, the accuracy requirement of the installation and debugging stage is greatly reduced, and the positioning is more accurate, and the change time is saved.

[0034] The process and principle of the utility model are as follows:

[0035] Step 1: first, the size of the lithium battery to be picked is determined, and the lithium battery is placed between the first clamping rod 1 and the second clamping rod 2.

[0036] Step 2: Then, one end of the lithium battery is abutted to one pair of auxiliary self-adjusting blocks 6 on one side and is pushed inward, at this time, the auxiliary self-adjusting blocks 6 are moved inward under the compression of the spring 13 and the W-shaped spring sheet 9 until the other end of the lithium battery is connected with the auxiliary self-adjusting blocks 6 on the other side, and then the lithium battery is stably placed between the first clamping rod 1 and the second clamping rod 2 by pressing downward.

[0037] Step 3: In step 1, if the product is in the non-replacement type stage, the first clamping rod 1 and the second clamping rod 2 are fixed to form an overall frame structure, and the operation in step 2 is continued.

[0038] In combination with embodiment one and embodiment two, on the one hand, the lithium battery is adaptively clamped according to the specific size of the lithium battery, and the manufacturing frame mold is reduced while being compatible with multiple models of lithium batteries, the positioning and clamping of special-shaped battery cells are adapted, and the utilization rate and universality of the positioning tool are improved; on the other hand, the positioning and clamping of the same model of lithium battery are performed by using the fixed frame structure in the non-replacement type stage of the product, so that the accuracy requirement in the installation and debugging stage is greatly reduced, the positioning is more accurate, and the replacement time is saved.

[0039] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as the modifications or supplements or replacements do not deviate from the structure of the utility model or exceed the scope defined by the present claims, and should belong to the protection scope of the utility model.

Claims

1. A positioning tool for lithium battery production, characterized in that: Including first clamping rod (1) and second clamping rod (2) staggered, the inner corner of first clamping rod (1) and second clamping rod (2) is movably installed with self-adjusting assembly; The self-adjusting assembly includes main self-adjusting block (5) and auxiliary self-adjusting block (6) arranged in sliding mode, the inner side of auxiliary self-adjusting block (6) is provided with telescopic cavity (14) in the middle, the auxiliary self-adjusting block (6) is fixedly connected with spring (13) fixedly connected with main self-adjusting block (5) through one end in telescopic cavity (14), the outer end of main self-adjusting block (5) is rotatably installed with rotating bolt (8) screwing with first clamping rod (1), one side of auxiliary self-adjusting block (6) is provided with W spring sheet (9) extending into telescopic cavity (14).

2. The positioning tool for lithium battery production according to claim 1, characterized in that, The proximal end of first clamping rod (1) and second clamping rod (2) is provided with staggered mortise and tenon end, the middle of corresponding mortise and tenon end of first clamping rod (1) and second clamping rod (2) is provided with locking hole (3) in common, first clamping rod (1) and second clamping rod (2) are provided with fixed bolt (4) through locking hole (3).

3. The positioning tool for lithium battery production according to claim 2, characterized in that, The first clamping rod (1) and the second clamping rod (2) are staggered by the locking holes (3) of the upper and lower positions to constitute a longitudinal extension.

4. The positioning tool for lithium battery production according to claim 1, characterized in that, The free end of the spring (13) is provided with a fixed plate (12), and the fixed plate (12) is connected with the main self-adjusting block (5), and the main self-adjusting block (5) is coincided with the auxiliary self-adjusting block (6).

5. The positioning tool for lithium battery production according to claim 4, characterized in that, The inner corner of first clamping rod (1) and second clamping rod (2) corresponding to main self-adjusting block (5) and auxiliary self-adjusting block (6) is provided with moving hole (7), the initial position of W spring sheet (9) is in contact with one of the inner walls of moving hole (7).

6. The positioning tool for lithium battery production according to claim 1, characterized in that, The inner side of the main self-adjusting block (5) is provided with symmetrically distributed guide grooves (11), and the outer side of the auxiliary self-adjusting block (6) close to the main self-adjusting block (5) is provided with guide convex rod (10) matched with the guide grooves (11).

Citation Information

Patent Citations

  • Test tool suitable for lithium batteries with different sizes

    CN222259532U