CN219037816U

CN219037816U - Battery cell size detection tool

Info

Publication number: CN219037816U
Application number: CN202223360985.8U
Authority: CN
Inventors: 杨文龙; 刘少峰; 张庆; 黄创; 常金喜; 和思宇; 巫祖发; 唐堃
Original assignee: Beijing Zhongke Haina Technology Co ltd; Fuyang Haina Technology Co ltd
Current assignee: Beijing Zhongke Haina Technology Co ltd; Fuyang Haina Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-16
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a battery cell size detection tool which comprises a detection tool body, wherein a coil core placing groove for placing a coil core of a battery cell and two tab placing grooves for placing tabs of the battery cell are formed in the detection tool body, the two tab placing grooves are communicated with the coil core placing groove, a first scale for recognizing the width and the length of the tab and a second scale for recognizing the distance from the tab to the edge are arranged at the position of the detection tool body corresponding to the tab placing groove, a third scale for recognizing the width and the length of the coil core is arranged at the position of the detection tool body corresponding to the coil core placing groove, and a fourth scale for recognizing the thickness of the coil core is arranged on the wall of the coil core placing groove. The utility model is helpful to solve the problems that the time required by measurement in the existing cell measurement process is long, the cell has no carrier, and certain requirements are also met on the measurement site during measurement.

Description

Battery cell size detection tool

Technical Field

The utility model relates to the technical field of battery cell detection, in particular to a battery cell size detection tool.

Background

In the production process of the automatic assembly line of the sodium ion battery, the measurement pipe is required to control the size of the battery cell, the common measurement method of the size of the cell is to cooperatively measure through a film ruler and an eyepiece, and the cell is small in size, so that the measurement accuracy is guaranteed, the measurement is required to be carried out for a long time, the cell is free of carriers, and certain requirements are also met on a measurement site during measurement.

Disclosure of Invention

The utility model aims to provide a battery cell size detection tool convenient for battery cell size measurement.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an electricity core size detects frock, including detecting the frock body, the book core standing groove that is used for placing the book core of electricity core and two utmost point ear standing grooves that are used for placing the utmost point ear of electricity core are offered on the detection frock body, and two utmost point ear standing grooves with it is linked together to roll up the core standing groove, it is corresponding to detect the frock body the position department of utmost point ear standing groove is provided with the first scale that is used for reading utmost point ear width and length and is used for reading utmost point ear to the second scale of edge distance, it is corresponding to detect the frock body the position department of book core standing groove is provided with the third scale that is used for reading book core width and length, be provided with the fourth scale that is used for reading book core thickness on the cell wall of book core standing groove.

Further, positive electrode marks and negative electrode marks are respectively arranged on the bottom walls of the two lug placement grooves.

Further, at least one notch communicated with the winding core placing groove is further formed in the detection tool body, and the notch is used for adjusting the position of the battery cell.

Furthermore, the edge positions of the lug placement groove and the groove wall of the winding core placement groove are processed by adopting an arc surface and a rounding process.

Further, the inner bottom of the detection tool body is further provided with a mounting groove, a chute communicated with the mounting groove is formed in the bottom wall of the roll core placing groove, a top plate is arranged in the chute in a sliding mode along the vertical direction, and at least one driving piece for driving the top plate to slide and position is arranged in the mounting groove.

Further, the driving piece comprises a pressing rebound device, a first wedge block and at least one connecting rod, wherein the fixed end of the pressing rebound device is arranged in the mounting groove, the telescopic end of the pressing rebound device is arranged on the detection tool body in a penetrating mode, the first wedge block is arranged in the mounting groove in a sliding mode along the telescopic direction of the pressing rebound device, the first wedge block is connected with the telescopic end of the pressing rebound device through the connecting rod, the bottom of the top plate is provided with a second wedge block matched with the first wedge block, and the first wedge block is in contact with the inclined surface of the second wedge block.

Further, a spring is further connected between the bottom of the second wedge-shaped block and the bottom wall of the mounting groove.

The beneficial effects of the utility model are as follows:

the battery cell size detection tool is provided with the detection tool body, the tool body is provided with the tab placing groove for placing the tab and the winding core placing groove, when the battery cell is measured, each part of the battery cell is correspondingly placed in the corresponding placing groove, the size can be accurately read through the first scale, the second scale, the third scale and the fourth scale, the measurement is convenient and the time consumption is short, meanwhile, the carrier is provided for the battery cell through the detection tool body, the size measurement in the carrier is realized, and the requirement on the measurement field is relaxed.

Drawings

FIG. 1 is a top view of a cell size detection tool structure of the present utility model;

FIG. 2 is a top cross-sectional view of the cell size detection tooling structure of the present utility model;

fig. 3 is a side cross-sectional view of the cell size detection tooling structure of the present utility model.

The components in the drawings are marked as follows: 1. detecting a tool body; 101. a tab placement groove; 102. a winding core placing groove; 1021. a chute; 1022. a top plate; 1023. a second wedge block; 1024. a spring; 103. a first scale; 104. a second scale; 105. a third scale; 106. a fourth scale; 107. a positive electrode mark; 108. a negative electrode mark; 109. a notch; 100. a mounting groove; 2. a driving member; 201. pressing the rebound device; 202. a first wedge block; 203. and a connecting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

See fig. 1-3.

The utility model discloses a battery cell size detection tool, which comprises a detection tool body 1, wherein a coil core placing groove 102 for placing a coil core of a battery cell and two tab placing grooves 101 for placing tabs of the battery cell are formed in the detection tool body 1, the two tab placing grooves 101 are communicated with the coil core placing groove 102, a first scale 103 for recognizing the width and the length of the tab and a second scale 104 for recognizing the distance from the tab to the edge are arranged at the position of the detection tool body 1 corresponding to the tab placing groove 101, a third scale 105 for recognizing the width and the length of the coil core is arranged at the position of the detection tool body 1 corresponding to the coil core placing groove 102, and a fourth scale 106 for recognizing the thickness of the coil core is arranged on the wall of the coil core placing groove 102.

The battery cell size detection tool is provided with the detection tool body 1, the tool body 1 is provided with the tab placing groove 101 and the winding core placing groove 102 for placing the tab and the winding core, when the battery cell is measured, each part of the battery cell is correspondingly placed in the corresponding placing groove, the size can be accurately read through the first scale 103, the second scale 104, the third scale 105 and the fourth scale 106, the measurement is convenient and the time consumption is short, meanwhile, the carrier is provided for the battery cell through the detection tool body 1, the size measurement in the carrier is realized, and the requirement on the measurement field is relaxed; in the utility model, the center distance data of the two lugs can be obtained by confirming the widths of the two lugs; in the utility model, the detection tool body 1 is composed of acrylic plastic, and has the characteristics of good transparency, easy dyeing, chemical stability and easy processing.

In an embodiment, the bottom walls of the two tab holding grooves 101 are respectively provided with a positive electrode mark 107 and a negative electrode mark 108. By the design, standard placement during cell measurement is realized.

In an embodiment, the detecting tool body 1 is further provided with at least one notch 109 that is communicated with the winding core placing groove 102, and the notch 109 is used for adjusting the position of the battery cell. Through the design, the electric core is placed through the notch 109, the electric core is subjected to position adjustment, the electric core is convenient to read, and meanwhile, the notch 109 is convenient to take and place the electric core.

In an embodiment, the edge positions of the slot walls of the tab holding slot 101 and the winding core holding slot 102 are both processed with arc surfaces and rounded corners. Through the design, the electric core is prevented from being scratched during measurement through the circular arc surface and the rounding treatment.

In an embodiment, the corner positions on the outer side of the detection tool body 1 are all processed by arc surfaces and rounding. By the design, the operator is prevented from being injured due to sharp edges.

In an embodiment, the inner bottom of the detection tool body 1 is further provided with a mounting groove 100, a chute 1021 communicating with the mounting groove 100 is provided on the bottom wall of the winding core placement groove 102, a top plate 1022 is slidably provided in the chute 1021 along the vertical direction, and at least one driving member 2 for driving the top plate 1022 to slide and position is provided in the mounting groove 100. Through the design, the driving piece 2 drives the top plate 1022 to move up and down, the auxiliary notch 109 realizes the taking out of the battery core, when the battery core is taken out, the driving piece 2 enables the top plate 1022 to move up and position, so that a space is generated between the battery core and the bottom wall of the coil core placing groove 102, then the battery core is taken out through the cooperation of the notch 109 and the space, the top plate 1022 is driven to descend and position by the driving piece 2 after the battery core is taken out, and in the embodiment, when the top plate 1022 is at the initial position, the upper surface of the top plate is not protruded out of the bottom wall of the coil core placing groove 102.

In an embodiment, the driving member 2 includes a pressing rebound device 201, a first wedge block 202 and at least one connecting rod 203, the fixed end of the pressing rebound device 201 is disposed in the mounting groove 100, the telescopic end of the pressing rebound device 201 is penetrated on the detecting tool body 1, the first wedge block 202 is slidably disposed in the mounting groove 100 along the telescopic direction of the pressing rebound device 201, and is connected with the telescopic end of the pressing rebound device 201 through the connecting rod 203, the bottom of the top plate 1022 is provided with a second wedge block 1023 matched with the first wedge block 202, and the first wedge block 202 contacts with the inclined surface of the second wedge block 1023. The design is such that the sliding and positioning of the first wedge block 202 can be realized by pressing the telescopic end of the pressing rebound device 201 during operation, so as to further realize the lifting and fixing of the top plate 1022, the operation is simple and the effect is good, and in the embodiment, the provided pressing rebound device 201 can be directly obtained in the prior art, and will not be described too much; in this embodiment, two driving members 2 are symmetrically arranged, so that stability of lifting and driving the top plate 1022 is enhanced.

In one embodiment, a spring 1024 is further connected between the bottom of the second wedge 1023 and the bottom wall of the mounting slot 100. By such a design, when the first wedge 202 is restored to the initial position, the top plate 1022 can be automatically restored to the initial position by the elastic force of the spring 1024.

It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present utility model, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.

Claims

1. The utility model provides a electricity core size detects frock, its characterized in that, including detecting frock body (1), detect and offer on frock body (1) and be used for placing the book core of electricity core and roll up core standing groove (102) and two utmost point ear standing grooves (101) that are used for placing the utmost point ear of electricity core, and two utmost point ear standing grooves (101) with roll up core standing groove (102) and be linked together, detect frock body (1) is corresponding the position department of utmost point ear standing groove (101) is provided with first scale (103) that are used for reading utmost point ear width and length and second scale (104) that are used for reading utmost point ear to edge distance, detect frock body (1) is corresponding roll up the position department of core standing groove (102) is provided with third scale (105) that are used for reading and roll up core width and length, be provided with fourth scale (106) that are used for reading a core thickness on the cell wall of rolling up core standing groove (102).

2. The battery cell size detection tool according to claim 1, wherein positive electrode marks (107) and negative electrode marks (108) are respectively arranged on groove bottom walls of the two tab placing grooves (101).

3. The battery cell size detection tool according to claim 1, wherein at least one notch (109) communicated with the winding core placing groove (102) is further formed in the detection tool body (1), and the notch (109) is used for adjusting the position of the battery cell.

4. The electric core size detection tool according to claim 1, wherein the edge positions of the groove walls of the tab placing groove (101) and the winding core placing groove (102) are processed by adopting an arc surface and a rounding process.

5. The battery cell size detection tool according to claim 1, wherein an installation groove (100) is further formed in the inner bottom of the detection tool body (1), a chute (1021) communicated with the installation groove (100) is formed in the bottom wall of the winding core placing groove (102), a top plate (1022) is arranged in the chute (1021) in a sliding manner along the vertical direction, and at least one driving piece (2) for driving the top plate (1022) to slide and position is arranged in the installation groove (100).

6. The tool for detecting the size of the battery cell according to claim 5, wherein the driving piece (2) comprises a pressing rebound device (201), a first wedge block (202) and at least one connecting rod (203), a fixed end of the pressing rebound device (201) is arranged in the mounting groove (100), a telescopic end of the pressing rebound device (201) is arranged on the tool body (1) in a penetrating manner, the first wedge block (202) is slidably arranged in the mounting groove (100) along the telescopic direction of the pressing rebound device (201), the first wedge block is connected with the telescopic end of the pressing rebound device (201) through the connecting rod (203), a second wedge block (1023) matched with the first wedge block (202) is arranged at the bottom of the top plate (1022), and the first wedge block (202) is in contact with an inclined plane of the second wedge block (1023).

7. The battery cell size detection tool according to claim 6, wherein a spring (1024) is further connected between the bottom of the second wedge block (1023) and the bottom wall of the mounting groove (100).