CN219121254U

CN219121254U - Soft package lithium ion battery measuring clamp

Info

Publication number: CN219121254U
Application number: CN202223362513.6U
Authority: CN
Inventors: 佘庆轩; 焦坤; 欧阳德明; 张治�
Original assignee: Huizhou Heteng Energy Technology Co ltd
Current assignee: Huizhou Heteng Energy Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-02
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to a soft package lithium ion battery measuring clamp which comprises a base, wherein a center distance detection mechanism and a wire detection mechanism are arranged on the base, the center distance detection mechanism comprises a tab groove and a placing groove for accommodating a battery core to be measured, the wire detection mechanism comprises a first graduated scale and a second graduated scale, and the first graduated scale and the second graduated scale are respectively positioned at two outer sides of the placing groove and are symmetrically distributed. Through reasonable arrangement, the utility model can simultaneously measure the center distance of the battery core and the length of the lead, is convenient to operate and accurate to position, greatly improves the measurement precision, is beneficial to improving the production efficiency and meets the production requirements of users while guaranteeing the quality of finished products; in addition, this simple structure, the processing of being convenient for, low in production cost, the practicality is stronger.

Description

Soft package lithium ion battery measuring clamp

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a soft package lithium ion battery measuring clamp.

Background

The lithium ion battery has the advantages of high energy density, high output voltage, long cycle life, small environmental pollution and the like, and is widely applied to electronic products. The battery unit inside the flexible package lithium ion battery is generally a winding type.

At present, a common coiled flexible package lithium ion battery in the market is formed by sealing battery units by adopting an aluminum-plastic composite film, and in the manufacturing process, the center distance is deviated due to the difference of equipment and manufacturing process, so that the exposed length of a PACK bonding wire is influenced; in addition, when detecting wire length, usually use slide caliper manual measurement, work efficiency is lower, and the testers produces visual fatigue easily after long-time work, leads to product quality uneven, can't satisfy customer and production demand.

Disclosure of Invention

Based on this, it is necessary to provide a soft pack lithium ion battery measuring jig for solving the problems existing in the prior art.

The utility model provides a soft packet of lithium ion battery measuring fixture, includes the base, be equipped with centre-to-centre spacing detection mechanism and wire detection mechanism on the base, centre-to-centre spacing detection mechanism includes the utmost point ear groove and is used for holding the standing groove of electricity core that awaits measuring, wire detection mechanism includes first scale and second scale, first scale with the second scale is located respectively the two outsides of standing groove, and symmetric distribution.

In one embodiment, the tab slot includes a first raised step, a second raised step and a third raised step, the second raised step is located between the first raised step and the third raised step, and the first raised step, the second raised step and the third raised step are all integrally formed with the base.

In one embodiment, the first raised step and the second raised step form a first tab groove on the surface of the base, the second raised step and the third raised step form a second tab groove on the surface of the base, and the first tab groove and the second tab groove are respectively parallel to the upper end of the slot position of the placement slot.

In one embodiment, two inner sides of the placement groove are respectively provided with grooves which are open outwards, wherein the first grooves and the second grooves are symmetrically distributed.

In one embodiment, the first scale and the second scale are fixed on the base by bolts respectively.

In one embodiment, the first scale and the second scale are both made of stainless steel material.

According to the soft package lithium ion battery measuring clamp, the center distance detection mechanism is arranged, so that the battery cells with poor center distances can be effectively detected, further repair treatment can be conveniently carried out on the poor battery cells, the product quality is ensured, the operation is convenient, time and labor are saved, and the improvement of the working efficiency is facilitated; the setting of wire detection mechanism can replace slide caliper manual operation measurement completely, has avoided leading to the uneven problem of finished product quality because of operating personnel's visual fatigue, has improved measurement accuracy greatly, further guarantees product quality.

According to the utility model, through reasonable design, the center distance of the battery core and the length of the lead can be measured simultaneously, and the operation is convenient and the practicability is high; in addition, the structure is simple, the processing is convenient, the production cost is low, the quality of finished products is ensured, the production efficiency is improved, and the production requirement of users is met.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a soft package lithium ion battery measuring fixture according to the present utility model;

FIG. 2 is a schematic diagram of center distance detection of a soft package lithium ion battery measuring fixture according to the present utility model;

fig. 3 is a schematic diagram of detecting the length of a wire of a soft package lithium ion battery measuring fixture according to the present utility model.

100, a base, 110, a center distance detection mechanism, 111, lug grooves, 1111, a first raised step, 1112, a second raised step, 1113, a third raised step, 1114, a first lug groove, 1115, a second lug groove, 112, a placing groove, 1121, a first groove, 1122, a second groove, 120, a wire detection mechanism, 121, a first scale, 122 and a second scale.

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. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, a soft package lithium ion battery measuring fixture comprises a base 100, wherein a center distance detection mechanism 110 and a wire detection mechanism 120 are arranged on the base 100, and in the utility model, the center distance detection mechanism 110 can effectively detect a battery core with a bad center distance so as to further repair the bad battery core and ensure the product quality; the wire detection mechanism 120 is used for measuring the lengths of wires in different wire outgoing directions, which is beneficial to improving the consistency of the lengths of the finished wires.

Specifically, the center distance detecting mechanism 110 includes a tab slot 111 and a placement slot 112 for accommodating a to-be-detected battery cell, the tab slot 111 includes a first raised step 1111, a second raised step 1112 and a third raised step 1113, the second raised step 1112 is located between the first raised step 1111 and the third raised step 1113, and the first raised step 1111, the second raised step 1112 and the third raised step 1113 are all integrally formed with the base 100.

Further, the first raised step 1111 and the second raised step 1112 form a first tab groove 1114 on the surface of the base 100, the second raised step 1112 and the third raised step 1113 form a second tab groove 1115 on the surface of the base 100, and the first tab groove 1114 and the second tab groove 1115 are parallel to the upper end of the slot position of the placement slot 112 respectively.

In addition, in order to facilitate the operator to place and take the to-be-measured battery cell, the two inner sides of the placement groove 112 are respectively provided with grooves which are open outwards, wherein the first grooves 1121 and the second grooves 1122 are symmetrically distributed.

Further, the wire detecting mechanism 120 includes a first graduated scale 121 and a second graduated scale 122, where the first graduated scale 121 and the second graduated scale 122 are respectively located at two outer sides of the placement groove 112 and symmetrically distributed; the first scale 121 and the second scale 122 are fixed on the base 100 by bolts, respectively, for measuring lengths of wires in different wire outgoing directions.

In addition, in order to extend the service life of the measuring jig, the first scale 121 and the second scale 122 are made of stainless steel materials.

As shown in fig. 2, in the process of detecting the center distance of the battery cells, the manufactured battery cells are placed in the placement groove 112 structure of the base 100 body, the positions of the battery cells and the electrode lugs are upward, the battery cells are placed in the placement groove 112 structure corresponding to the shape of the electrode lug grooves 111, and after the battery cells are placed in the placement groove, the sizes of the edge distances of the battery cells and the center distances of the battery cells are visually examined, so that whether the positions of the battery lugs are qualified or not is judged. In the utility model, the core distance detection mechanism 110 can effectively detect the core with poor core distance, so as to further repair the poor core, ensure the product quality, and has the advantages of convenient operation, time and labor saving and contribution to improving the working efficiency.

As shown in fig. 3, after the PACK is placed in the placement groove 112, the length of the lead can be effectively measured through reasonable arrangement of the first scale 121 and the second scale 122, whether the lead is led out from the left side or the right side, so that the uniformity of the lead length of the finished product is improved. According to the utility model, the wire detection mechanism 120 can completely replace manual operation measurement of a vernier caliper, so that the problem of uneven quality of a finished product caused by visual fatigue of operators is avoided, the measurement precision is greatly improved, and the quality of the product is further ensured.

According to the soft package lithium ion battery measuring clamp, through reasonable design, the center distance of the battery core and the length of the lead can be measured simultaneously, the operation is convenient, the positioning is accurate, the measuring precision is high, the quality of a finished product is ensured, the production efficiency is improved, and the requirements of users are met; in addition, this simple structure, the processing of being convenient for, low in production cost, the practicality is stronger.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a soft packet of lithium ion battery measurement anchor clamps, its characterized in that, includes the base, be equipped with centre-to-centre spacing detection mechanism and wire detection mechanism on the base, centre-to-centre spacing detection mechanism includes the utmost point ear groove and is used for holding the standing groove of electricity core that awaits measuring, wire detection mechanism includes first scale and second scale, first scale with the second scale is located respectively two outsides of standing groove, and symmetric distribution.

2. The soft package lithium ion battery measurement fixture of claim 1, wherein the tab slot comprises a first raised step, a second raised step and a third raised step, the second raised step is located between the first raised step and the third raised step, and the first raised step, the second raised step and the third raised step are all integrally formed with the base.

3. The soft package lithium ion battery measuring clamp according to claim 2, wherein the first raised step and the second raised step form a first tab groove on the surface of the base, the second raised step and the third raised step form a second tab groove on the surface of the base, and the first tab groove and the second tab groove are respectively parallel to the upper ends of the slots of the placing slots.

4. The soft package lithium ion battery measuring clamp according to claim 1, wherein grooves which are open outwards are respectively formed in two inner sides of the placing groove, and the first grooves and the second grooves are symmetrically distributed.

5. The soft package lithium ion battery measuring clamp of claim 1, wherein the first graduated scale and the second graduated scale are respectively fixed on the base through bolts.

6. The soft pack lithium ion battery measurement fixture of claim 1, wherein the first scale and the second scale are made of stainless steel materials.