CN217618603U

CN217618603U - Tool for lithium battery cap presser foot

Info

Publication number: CN217618603U
Application number: CN202221538307.3U
Authority: CN
Inventors: 胡智立; 刘元成
Original assignee: Changzhou Wujin Zhongrui Electronic Technology Co ltd
Current assignee: Changzhou Wujin Zhongrui Electronic Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-21
Anticipated expiration: 2032-06-20

Abstract

The utility model provides a frock for lithium cell block presser foot, including pressing portion and gas input channel, pressing portion and lithium cell block looks adaptation for press the fixed lithium cell block, pressing portion wholly is the halfpace form, the inside holding chamber that is formed with of pressing portion, has seted up the through-hole on pressing portion connection gas input channel's the terminal surface, the notch is seted up on the bottom surface circumference section that pressing portion kept away from gas input channel, the size of notch and lithium cell block presser foot welding point looks adaptation, the position of notch is unanimous with lithium cell block welding point; the gas input channel is a cylinder, is hollow in the cylinder and is used for conveying shielding gas, the pressing part is communicated through the through hole, the pressing device is connected with the conveying shielding gas channel, other devices do not need to be additionally added, the shielding gas is effectively saved, and the production cost is reduced.

Description

Tool for lithium battery cap presser foot

Technical Field

The utility model relates to a lithium cell production and processing auxiliary assembly technical field especially relates to a frock that is used for lithium cell bonnet presser foot.

Background

The cap is an important component of the lithium battery, pressure welding between a top cover and a bottom cover in the cap is an important processing procedure, the cap is pressed by a cap pressing device in the existing processing mode, then a plurality of protective gas charging devices continuously inject protective gas at the welding point of the cap of the lithium battery, the pressing device and the plurality of protective gas charging devices are required to be matched with each other in the processing mode, but the matching degree of the pressing device and the protective gas charging devices is usually not high; and the plurality of protective gas filling devices fill protective gas from different welding points, and the protective gas in different directions mutually affects to form turbulent flow, so that the protective gas is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a frock for lithium cell block presser foot, solved current processing mode need block press device press the block, then a plurality of fill protective gas device in lithium cell block presser foot point department continuous rush into the protective gas, press device and fill protective gas device degree of adaptability is not high; and the protective gas is charged by the plurality of protective gas charging devices from different pressure foot points, so that the protective gases in different directions are mutually influenced to form turbulent flow and cause the problem of protective gas waste.

In order to achieve the above object, the technical solution of the present invention is specifically as follows:

the utility model discloses a frock for lithium cell block presser foot, including pressing portion and gas input channel, wherein, pressing portion and lithium cell block looks adaptation for press fixed lithium cell block, pressing portion wholly is the halfpace form, pressing portion inside is formed with and holds the chamber, the terminal surface that pressing portion connects gas input channel has seted up the through-hole, the bottom surface circumference section that pressing portion kept away from gas input channel is seted up the notch, the size of notch and lithium cell block presser foot welding point looks adaptation, the position of notch is unanimous with lithium cell block welding point department; the gas input channel is a cylinder, is hollow and is used for conveying shielding gas, and is communicated with the pressing part through the through hole.

Furthermore, the peripheral surface of the gas input channel is provided with an anti-rotation positioning groove extending along the height direction of the gas input channel.

Furthermore, one end of the gas input channel, which is far away from the pressing part, is provided with an upper positioning groove and a lower positioning groove which extend along the circumferential direction of the gas input channel.

Further, the tool for the lithium battery cap presser foot is made of phosphor bronze or aluminum alloy.

Furthermore, three sections of notches are formed in the circumferential section of the bottom surface of the pressing part, which is far away from the gas input channel.

The beneficial technical effects are as follows:

1. the utility model discloses a frock for lithium cell cap presser foot, including pressing portion and gas input channel, wherein, the pressing portion is adapted with the lithium cell cap for press the fixed lithium cell cap, the pressing portion is wholly in the shape of a ladder platform, the inside of the pressing portion is formed with the chamber of holding, the pressing portion has seted up the through-hole on the terminal surface that connects the gas input channel, the pressing portion sets up the notch on the bottom surface circumference section that keeps away from the gas input channel, the size of notch and lithium cell cap presser foot welding point looks adaptation, the position of notch is unanimous with lithium cell cap welding point department; the gas input channel is a cylinder, is hollow and is used for conveying shielding gas, and is communicated with the pressing part through the through hole, so that the problems that a cap pressing device is required to press the cap in the existing processing mode, then a plurality of shielding gas charging devices continuously charge shielding gas at the pressure foot point of the lithium battery cap, and the matching degree of the pressing device and the shielding gas charging devices is not high are solved; the protective gas is charged by the plurality of protective gas charging devices from different pressure pin points, so that the protective gases in different directions are mutually influenced to form turbulent flow, and the problem of protective gas waste is caused;

2. in the utility model, the outer peripheral surface of the gas input channel is provided with an anti-rotation positioning groove extending along the height direction of the gas input channel, so as to effectively prevent the gas input channel from rotating;

3. the utility model discloses in, gas input channel keeps away from the one end of pressing the splenium and sets up the upper and lower constant head tank that extends along its circumferencial direction, realizes fixing a position from top to bottom thereof.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a cross-sectional view of a tooling for a lithium battery cap presser foot according to the present invention;

fig. 2 is a bottom view of the tool for the lithium battery cap presser foot according to the present invention;

wherein, 1-pressing part, 11-through hole, 12-notch, 2-gas input channel, 21-anti-rotation positioning groove, 22-upper and lower positioning groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model discloses a frock for lithium cell block presser foot, refer to fig. 1-2, preferably, the frock of lithium cell block presser foot adopts phosphor bronze or aluminum alloy material to make, it specifically includes presses splenium 1 and gas input channel 2, wherein, press splenium 1 and lithium cell block looks adaptation, be used for pressing fixed lithium cell block, press splenium 1 wholly is the halfpace form, it needs to point out that, the halfpace form here just explains the general shape of pressing splenium 1, do not restrict pressing splenium 1 to be the halfpace in the mathematical meaning, pressing splenium 1 is inside to be formed with and holds the chamber, through-hole 11 has been seted up on the terminal surface that pressing splenium 1 connects gas input channel 2, notch 12 has been seted up on the bottom surface circumference section that pressing splenium 1 keeps away from gas input channel 2, the size of notch 12 and lithium cell block presser foot welding point looks adaptation, the position of notch 12 is unanimous with lithium cell block welding point, in this application, carry out 3 section welding to lithium cell block presser foot, so set up 3 sections block 12 unanimous with lithium cell block welding point on the bottom surface circumference section that the gas input channel 2 is kept away from in pressing splenium 1; the gas input channel 2 is a cylinder, is hollow inside and is used for conveying shielding gas, and is communicated with the pressing part 1 through a through hole 11.

As a preferred embodiment of the present invention, the outer peripheral surface of the gas input channel 2 is provided with a rotation-preventing positioning slot 21 extending along the height direction thereof, so as to effectively prevent the rotation thereof.

As a preferred embodiment of the present invention, the end of the gas input channel 2 away from the pressing portion 1 is provided with an upper and a lower positioning slots 22 extending along the circumferential direction thereof, so as to effectively realize the upper and the lower positioning.

The utility model discloses a frock for lithium cell cap presser foot, its theory of operation is:

at the in-process to lithium cell block presser foot welding, with pressing the fixed lithium cell of splenium 1, protective gas is from the air inlet input of gas input channel 2, and protective gas enters along gas input channel and presses the intracavity that holds of splenium, then reaches and presses notch 12 department of offering on 1 lower bottom surface circumference section of splenium with lithium cell block welding point looks adaptation, and protective gas keeps apart oxygen, nitrogen gas outside to prevent to produce adverse effect to lithium cell block presser foot welding point.

The utility model discloses a frock for lithium cell cap presser foot no longer needs pressing device and a plurality of to fill the cooperation of protection gas device, but with pressing device and transport protection gas access connection, need not additionally to add other devices again, and effectively saves the protection gas to reduction in production cost.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. The utility model provides a frock for lithium cell cap presser foot which characterized in that includes:

the pressing part (1) is matched with the lithium battery cap and used for pressing and fixing the lithium battery cap, the whole pressing part (1) is in a trapezoidal table shape, an accommodating cavity is formed inside the pressing part (1), a through hole (11) is formed in the end face, connected with the gas input channel (2), of the pressing part (1), a notch (12) is formed in the circumferential section of the bottom face, far away from the gas input channel (2), of the pressing part (1), the size of the notch (12) is matched with a welding point of the lithium battery cap presser foot, and the position of the notch (12) is consistent with the welding point of the lithium battery cap;

the gas input channel (2) is a cylinder, is hollow and is used for conveying shielding gas, and the pressing part (1) is communicated with the through hole (11).

2. The tooling for the lithium battery cap presser foot according to claim 1, wherein the outer peripheral surface of the gas input channel (2) is provided with an anti-rotation positioning groove (21) extending along the height direction of the gas input channel.

3. The tooling for the lithium battery cap presser foot according to claim 1, wherein one end of the gas input channel (2) far away from the pressing part (1) is provided with an upper positioning groove (22) and a lower positioning groove (22) extending along the circumferential direction of the pressing part.

4. The tooling for the lithium battery cap presser foot as claimed in claim 1, wherein the tooling for the lithium battery cap presser foot is made of phosphor bronze or aluminum alloy.

5. The tooling for the lithium battery cap presser foot according to claim 1, wherein three notches are formed in the circumferential section of the bottom surface of the pressing part (1) away from the gas input channel (2).