CN218937678U

CN218937678U - Lithium manganese needle tube battery shell pressing test equipment

Info

Publication number: CN218937678U
Application number: CN202223149913.9U
Authority: CN
Inventors: 费伟文; 徐志勤
Original assignee: Huizhou Dannifu Technology Co ltd
Current assignee: Huizhou Dannifu Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-28
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a lithium manganese needle tube battery shell pressurizing test device, which comprises a protective outer shell, a standby air tank and a working air tank, wherein one side of an inner cavity of the protective outer shell is fixedly provided with a longitudinal sliding rail, the surface of the longitudinal sliding rail is provided with a feeding seat in a sliding manner, grooves on two sides of the top end of the feeding seat are respectively provided with a group of limiting sheets, one sides of the two groups of limiting sheets are respectively provided with a limiting spring, one side of the inner cavity of the protective outer shell is fixedly connected with the working air tank, one side of the top end of the working air tank is connected with a total pressure control valve, one end of the total pressure control valve is fixedly provided with an air outlet pipeline, and the bottom end of the air outlet pipeline is communicated with two air branch pipelines.

Description

Lithium manganese needle tube battery shell pressing test equipment

Technical Field

The utility model relates to the technical field of pressing test equipment, in particular to lithium manganese needle tube battery shell pressing test equipment.

Background

The manufacturing process of the lithium battery is always a core link of the progress in the technical field of new energy, and the manufacturing process of the cylindrical lithium ion battery is to wind the positive and negative plates and the diaphragm into a winding core, and then to put the winding core into an aluminum shell; welding the two ends of the winding core with the current collecting disc by means of laser welding, and then baking in an oven; electrolyte is injected from the cover plate liquid injection port; the liquid injection port is sealed by steel balls and sealant. If the steel ball and the sealant are not firm enough, the battery core can leak air and liquid under the working condition, so that serious safety consequences are caused, the lithium-manganese needle tube battery is a miniature version of the lithium battery, and is commonly used in the fishing field, and the same lithium-manganese needle tube battery shell needs to be subjected to a pressing test when in use.

The patent number CN20202246307. X proposes a cylindrical lithium ion battery shell pressurizing testing device, which comprises a pressurizing water tank, a needle tube and a gas tank; the inner wall of the pressurizing water tank is fixed with a plurality of clamps used for fixing the battery shell, needle tubes used for inflating the battery shell are respectively arranged on the pressurizing water tank in a penetrating mode relative to the positions of the clamps, and each needle tube is connected with the gas tank. The utility model can detect the air tightness and the pressure bearing capacity of a plurality of cylindrical battery cell shells at one time, achieves the purposes of saving resources and time and improving efficiency, and has simple and effective testing method.

The pressing test device disclosed by the above has the defects that the needle tube battery shell which needs to be processed cannot be quickly taken out and put in, the time is very consumed in the operation process, the joint of the needle tube and the shell is only sealed by a rubber plug, the sealing performance is obviously poor, the subsequent measurement result is inaccurate, and therefore, the lithium-manganese needle tube battery shell pressing test device is provided.

Disclosure of Invention

The utility model aims to provide a lithium manganese needle tube battery shell pressurizing test device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a test equipment is suppressed to lithium manganese needle tubing battery casing, includes protection shell body, reserve gas pitcher and work gas pitcher, one side of protection shell body inner chamber is fixed and is equipped with vertical slide rail, the surface sliding mounting of vertical slide rail has the material loading seat, a set of spacing piece is all installed to the recess department of material loading seat top both sides, two sets of spacing piece one side is all installed spacing spring, two sets of the equal fixed mounting in middle part of spacing piece has needle tubing battery casing seat, one side and the work gas pitcher fixed connection of protection shell body inner chamber, one side on work gas pitcher top is connected with total pressure control valve, the one end fixed mounting of total pressure control valve has the pipeline of giving vent to anger, the bottom intercommunication of pipeline of giving vent to anger has two branch gas pipelines, two the one end of branch gas pipeline all is connected with sealed contact pin subassembly, two the electronic pressure display table is all installed on the surface of branch gas pipeline, the positive one side swing joint of protection shell body has the baffle, the back and material loading seat fixed connection.

Preferably, the two sealing contact pin assemblies comprise sealing sleeves, the middle parts of the bottom ends of the sealing sleeves are fixedly provided with contact pin tubes, the bottom ends of the sealing sleeves are provided with step sealing gaskets, the tops of the step sealing gaskets are provided with protection gaskets, and the protection gaskets are connected with the corresponding sealing sleeves.

Preferably, an electronic display screen is mounted on one side of the top end of the protective outer shell, and the electronic display screen is connected with two electronic pressure display meters.

Preferably, the middle part of protection shell body one side is fixed connection with reserve gas pitcher, the one end fixed mounting of reserve gas pitcher has the gas filling line, the mid-mounting of gas filling line has control valve, control valve's one end and work gas pitcher intercommunication.

Preferably, the front surface of the baffle is fixedly provided with a handle.

Preferably, both branch gas pipelines are of a folding structure.

The utility model has the technical effects and advantages that:

(1) According to the lithium manganese needle tube battery shell pressing test equipment, the feeding seat, the longitudinal sliding rail, the limiting spring and the limiting piece are arranged, the baffle plate and the pull handle are utilized to conveniently and rapidly withdraw and push the feeding seat, time is saved, the limiting spring and the limiting piece are convenient to clamp needle tube batteries with different diameters, and the needle tube battery pressing test equipment is convenient to detach and use.

(2) According to the lithium manganese needle tube battery shell pressurizing test equipment, the sealing sleeve, the step sealing gasket and the protection gasket are arranged, so that the lithium manganese needle tube battery shell pressurizing test equipment has a good protection effect, can ensure the connection tightness of the needle tube and the needle tube battery, can effectively prevent gas leakage in the inflating process, further ensure the accuracy of a measurement result, and is provided with the standby gas tank and the inflating pipeline, so that the working gas tank can be inflated, the long-time use is convenient, and the phenomenon that gas cannot be supplied for the first time is avoided.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the internal structure of the protective outer shell according to the present utility model.

Fig. 3 is a schematic structural view of a feeding seat according to the present utility model.

In the figure: 1. a protective outer housing; 2. a baffle; 3. a handle; 4. an electronic display screen; 5. a control valve; 6. an inflation line; 7. a spare air tank; 8. a working gas tank; 9. an air outlet pipeline; 10. a total pressure control valve; 11. a branch gas pipeline; 12. an electronic pressure display meter; 13. a needle tube battery housing seat; 14. a feeding seat; 15. a needle inserting tube; 16. sealing sleeve; 17. a step seal; 18. a protective pad; 19. a longitudinal slide rail; 20. a limit spring; 21. and a limiting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides lithium manganese needle tube battery shell pressurizing test equipment as shown in figures 1-3, which comprises a protective outer shell 1, a standby gas tank 7 and a working gas tank 8, wherein one side of the inner cavity of the protective outer shell 1 is fixedly provided with a longitudinal sliding rail 19, the surfaces of the longitudinal sliding rails 19 are slidably provided with a feeding seat 14, a group of limiting sheets 21 are respectively arranged at grooves on two sides of the top end of the feeding seat 14, one sides of the two groups of limiting sheets 21 are respectively provided with a limiting spring 20, the middle parts of the two groups of limiting sheets 21 are respectively fixedly provided with a needle tube battery shell seat 13, one side of the inner cavity of the protective outer shell 1 is fixedly connected with the working gas tank 8, one side of the top end of the working gas tank 8 is connected with a total pressure control valve 10, one end of the total pressure control valve 10 is fixedly provided with an air outlet pipeline 9, the bottom ends of the air outlet pipeline 9 are communicated with two branch gas pipelines 11, one ends of the two branch gas pipelines 11 are respectively connected with a sealing pin assembly, the surfaces of the two branch gas pipelines 11 are respectively provided with an electronic pressure display table 12, one side of the protective outer shell 1 is movably connected with a baffle plate 2, and the back of the baffle plate 2 is fixedly connected with the feeding seat 14.

In this embodiment, the two sealing contact pin assemblies each include a sealing sleeve 16, the middle parts of the bottom ends of the two sealing sleeves 16 are each fixedly provided with a contact pin tube 15, the bottom ends of the two sealing sleeves 16 are each provided with a step sealing pad 17, the tops of the two step sealing pads 17 are each provided with a protection pad 18, and the protection pads 18 are connected with the corresponding sealing sleeves 16. The purpose that sets up like this can have good protective effect, can guarantee the connection leakproofness of contact pin tube and needle tubing battery, can effectively prevent to inflate the in-process and take place the gas leakage.

In this embodiment, an electronic display screen 4 is mounted on one side of the top end of the protective outer casing 1, and the electronic display screen 4 is connected with two electronic pressure display gauges 12. The purpose of this arrangement is to facilitate better electronic display and more visual observation.

In this embodiment, the middle part of one side of the protective outer shell 1 is fixedly connected with a spare gas tank 7, one end of the spare gas tank 7 is fixedly provided with an air charging pipeline 6, the middle part of the air charging pipeline 6 is provided with a control valve 5, and one end of the control valve 5 is communicated with a working gas tank 8. The purpose of setting like this is to be able to carry out the operation of aerifing to work gas pitcher 8, and convenient long-time use and avoid the phenomenon that gas is unable to supply for the first time inadequately.

In this embodiment, the front surface of the baffle 2 is fixedly provided with a handle 3. The purpose of this arrangement is to facilitate the extraction and advancement of the baffle 2

In this embodiment, both branch air pipes 11 are of a folded structure. The purpose of this arrangement is to facilitate better handling of the cannula 15.

The working principle of the utility model is as follows: during feeding, the baffle plate 2 and the handle 3 are utilized to conveniently and rapidly withdraw the feeding seat 14, the needle tube battery shell to be tested is arranged in the needle tube battery shell seat 13, the needle tube 15 is connected with the needle tube battery shell through adjustment, the sealing sleeve 16, the step sealing gasket 17 and the protection gasket 18 limit the connection part of the needle tube 15 and the needle tube battery shell, the connection tightness of the needle tube 15 and the needle tube battery can be ensured, gas leakage in the inflation process can be effectively prevented, the accuracy of a measured result is further ensured, the feeding is pushed to the feeding seat 14 to the inside of the protection outer shell 1 after being received, the total pressure control valve 10 is opened for testing, when the needle tube battery shell bursts, the data measured by the electronic display screen 4 are recorded, the standby gas tank 7 and the inflation pipeline 6 are further arranged, the inflation operation of the working gas tank 8 is realized, and the phenomenon that the gas cannot be supplied for a first time is avoided.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a test equipment is suppressed to lithium manganese needle tubing battery casing, includes protection shell body (1), reserve gas pitcher (7) and work gas pitcher (8), its characterized in that, one side of protection shell body (1) inner chamber is fixed to be equipped with vertical slide rail (19), the surface sliding mounting of vertical slide rail (19) has material loading seat (14), the recess department of material loading seat (14) top both sides all installs a set of spacing piece (21), two sets of spacing piece (21) one side all installs spacing spring (20), two sets of the equal fixed mounting in middle part of spacing piece (21) has needle tubing battery casing seat (13), one side and work gas pitcher (8) fixed connection of protection shell body (1) inner chamber, one side on work gas pitcher (8) top is connected with total pressure control valve (10), the one end fixed mounting of total pressure control valve (10) has gas outlet pipe (9), the bottom intercommunication of gas outlet pipe (9) has two gas pipe (11), two gas pipe (11) one end all is connected with sealed pin subassembly, two gas pipe (11) one end all is connected with seal plug pin subassembly, two gas pipe (11) the front surface protection baffle (2) are connected with the front (2) of the electronic equipment (2).

2. The lithium-manganese needle tube battery shell pressing test device according to claim 1, wherein the two sealing contact pin assemblies comprise sealing sleeves (16), contact pin tubes (15) are fixedly arranged in the middle of the bottom ends of the two sealing sleeves (16), step sealing gaskets (17) are arranged at the bottom ends of the two sealing sleeves (16), protection gaskets (18) are arranged at the tops of the two step sealing gaskets (17), and the protection gaskets (18) are connected with the corresponding sealing sleeves (16).

3. The lithium-manganese needle tube battery shell pressing test device according to claim 1, wherein an electronic display screen (4) is arranged on one side of the top end of the protective outer shell (1), and the electronic display screen (4) is connected with two electronic pressure display meters (12).

4. The lithium-manganese needle tube battery shell pressing test device according to claim 1, wherein the middle part of one side of the protective outer shell (1) is fixedly connected with a standby gas tank (7), one end of the standby gas tank (7) is fixedly provided with an air charging pipeline (6), the middle part of the air charging pipeline (6) is provided with a control valve (5), and one end of the control valve (5) is communicated with a working gas tank (8).

5. The lithium-manganese needle tube battery shell pressing test device according to claim 1, wherein a pull handle (3) is fixedly arranged on the front surface of the baffle plate (2).

6. The lithium-manganese needle cell casing pressing test device according to claim 1, wherein both of the branch air pipelines (11) are of a folded structure.