CN209843837U

CN209843837U - Lithium ion electrolyte injection device

Info

Publication number: CN209843837U
Application number: CN201920582760.6U
Authority: CN
Inventors: 马永绍
Original assignee: Zhuhai Sihai Long Source Technology Co Ltd
Current assignee: Zhuhai Sihai Long Source Technology Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2019-12-24
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a lithium ion electrolyte injection device, including stock solution bucket, infusion pump and notes liquid head, be linked together through annotating the liquid hose between stock solution bucket, infusion pump and the notes liquid head, be equipped with the electrolyte counter in the stock solution bucket, the infusion pump includes the pump body and sets up the cylinder in pump body bottom, be equipped with flexible appearance chamber in the pump body, flexible appearance chamber passes through cylinder increase and decrease volume, and pump body top is equipped with the drain pipe, be equipped with two three-way valves on the drain pipe, be equipped with the restriction valve between notes liquid head and the infusion pump. The utility model discloses a filling pump realizes the pressurization of electrolyte, utilizes flexible volume buffer memory part electrolyte to realize the stable notes liquid process of electrolyte through cylinder and restriction valve, improved priming device's notes liquid efficiency, solved notes liquid inefficiency and annotate the unstable problem of liquid.

Description

Lithium ion electrolyte injection device

Technical Field

The utility model relates to a lithium cell field of making, especially a lithium ion electrolyte injection device.

Background

In the production process of the lithium battery, the injection liquid is an important part in the production process of the lithium battery. Some current mills annotate the liquid technology through the mode that adopts artifical toward pouring liquid in the electric core, and the volume of pouring can't be controlled, not only extravagant electrolyte easily, still harm the human body easily, too high to workman's technical requirement, and current hand-held type priming device ubiquitous annotates liquid inefficiency, annotates the liquid unstability, can't judge the liquid surplus in the liquid section of thick bamboo, can't in time supply the problem of electrolyte.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a lithium ion electrolyte injection device.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a lithium ion electrolyte injection device, includes stock solution bucket, infusion pump and notes liquid head, be linked together through annotating the liquid hose between stock solution bucket, infusion pump and the notes liquid head, be equipped with the electrolyte counter in the stock solution bucket, the infusion pump includes the pump body and sets up the cylinder in pump body bottom, be equipped with flexible appearance chamber in the pump body, flexible appearance chamber is through cylinder increase and decrease volume, and pump body top is equipped with the drain pipe, be equipped with two three-way valves on the drain pipe, be equipped with the restriction valve between notes liquid head and the infusion pump.

For the further improvement of the scheme, the liquid injection hose is a silica gel hose.

The improved structure of the pump comprises a pump body, wherein a piston plate is arranged in the pump body, the piston plate is fixedly connected to a telescopic rod of an air cylinder and moves up and down in the pump body through the air cylinder, and a telescopic cavity is formed between the piston plate and the interior of the pump body.

For the further improvement of the scheme, a corrosion-resistant sealing ring is arranged between the piston plate and the pump body.

For further improvement of the scheme, the electrolyte meter is an oil meter.

To the further improvement of above-mentioned scheme, the stock solution bucket top is equipped with the warning light, the warning light is connected with the electrolyte counter electricity.

To the further improvement of above-mentioned scheme, be equipped with liquid suction pipe and feed liquor pipe in the stock solution bucket, liquid suction pipe passes through the coupling and annotates the liquid hose intercommunication.

The utility model has the advantages that:

the utility model discloses an electrolyte meter observes the surplus condition of electrolyte in the liquid storage bucket, warns the staff in time to supply electrolyte, is convenient for the continuous work of electrolyte device;

the utility model discloses a filling pump realizes the pressurization of electrolyte, utilizes flexible volume buffer memory part electrolyte to realize the stable notes liquid process of electrolyte through cylinder and restriction valve, improved priming device's notes liquid efficiency, solved notes liquid inefficiency and the unstable problem of notes liquid.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the liquid storage barrel of the present invention;

fig. 3 is a schematic structural diagram of the liquid injection pump of the present invention;

FIG. 4 is a schematic structural view of the injection head of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the conception, specific structure and technical effects of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor are within the scope of the present invention.

Referring to fig. 1 to 4 together, for a preferred embodiment, a lithium ion electrolyte injection device, includes stock solution bucket 1, infusion pump 2 and notes liquid head 3, through annotating liquid hose 4 intercommunication between stock solution bucket 1, infusion pump 2, the notes liquid head 3, stock solution bucket 1 is used for storing electrolyte, and infusion pump 2 is used for continuously transporting electrolyte, and notes liquid head 3 is used for injecting electrolyte on lithium cell electricity core.

The liquid storage barrel 1 comprises a barrel body 11 and a barrel cover 12 covering the barrel body 11, an electrolyte meter 5 used for measuring electrolyte is arranged in the barrel body 11, the electrolyte meter 5 is an oil meter, the oil meter is a liquid meter used in a crude oil tank, a floating ball adopted in the oil meter can be made of corrosion-resistant plastic materials, and the detection function of the residual amount of the electrolyte in the liquid storage barrel 1 is realized through the oil meter.

The liquid injection pump 2 comprises a pump body 21 and a cylinder 8 arranged on the pump body 21, wherein a telescopic rod 81 of the cylinder 8 extends into the pump body 21, a piston plate 23 is arranged in the pump body 21, the piston plate 23 is fixedly connected to the end part of the telescopic rod 81 through a screw or bolt connection mode, a telescopic containing cavity 22 is formed between the piston plate 23 and the top of the pump body 21, and the telescopic containing cavity 22 is used for extracting liquid in the liquid storage barrel 1 and temporarily storing a certain amount of liquid so as to continuously supply the electrolyte in a short time. The top of infusion pump 2 is equipped with the drain pipe 25 that holds chamber 22 intercommunication with flexible, be equipped with two three-way valves 9 on the drain pipe 25, two three-way valves 9 are used for switching the intercommunication between infusion pump 2 and liquid storage bucket 1, notes liquid head 3, realize drawing liquid and push away the liquid process. The flow limiting valve 10 is arranged between the liquid injection pump 2 and the liquid injection head 3, and the flow limiting valve 10 is used for stably outputting the flowing pressure of the electrolyte because the air pressure of the air cylinder 8 is unstable in the pressurizing process. In this embodiment, the two-position three-way valve 9 is a two-position three-way electromagnetic valve, and the communication between the liquid injection pump 2 and the liquid storage barrel 1 and the liquid injection head 3 is switched through electric drive.

Further, a corrosion-resistant seal ring 24 is provided between the piston plate 23 and the pump body 21, and the corrosion-resistant seal ring 24 prevents liquid in the pump body 21 from leaking.

Further, be equipped with liquid suction pipe 6 and feed liquor pipe in the stock solution bucket 1, the feed liquor pipe is used for replenishing electrolyte, and liquid suction pipe 6 links to each other with notes liquid hose 4 through the coupling, and liquid suction pipe 6, feed liquor pipe, notes liquid hose 4 are the silica gel hose, adopt the silica gel hose to have advantages such as softness, stable performance.

Further, 1 top of stock solution bucket is equipped with warning light 7, and warning light 7 is connected with 5 electricity of electrolyte counter through the circuit, and when the electrolyte liquid level in the stock solution bucket 1 was less than the warning line, warning light 7 sent the bright light and indicates that need in time supply electrolyte.

Further, annotate liquid head 3 and annotate liquid head 3 for electrolyte, including annotating liquid body 31, setting up the solenoid valve in annotating liquid body 31 and setting up annotating the liquid needle 32 in annotating liquid body 31 bottom, still be equipped with the button 33 that is used for controlling the solenoid valve switching on annotating liquid body 31, button 33 is connected with the solenoid valve electricity. In the liquid injection process, an operator presses the button 33, the electromagnetic valve is opened, so that the electrolyte flows out from the liquid injection needle 32, and when the button 33 is pressed out, the electromagnetic valve is closed, and the electrolyte does not flow out.

When the liquid injection device is specifically implemented, the liquid injection pump 2 extracts the electrolyte in the liquid storage barrel 1, conveys the electrolyte to the liquid injection head 3, and completes the liquid injection process through the liquid injection head 3.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. The utility model provides a lithium ion electrolyte injection device, its characterized in that includes stock solution bucket (1), infusion pump (2) and notes liquid head (3), be linked together through annotating liquid hose (4) between stock solution bucket (1), infusion pump (2) and the notes liquid head (3), be equipped with electrolyte counter (5) in stock solution bucket (1), infusion pump (2) are including the pump body and set up cylinder (8) in pump body bottom, be equipped with flexible appearance chamber (22) in the pump body, flexible appearance chamber (22) increase and decrease the volume through cylinder (8), pump body top is equipped with the drain pipe, be equipped with two three-way valve (9) on the drain pipe, be equipped with between notes liquid head (3) and infusion pump (2) restriction valve (10).

2. The lithium ion electrolyte injection device according to claim 1, wherein the liquid injection hose (4) is a silicone hose.

3. The lithium ion electrolyte injection device according to claim 1, wherein a piston plate is arranged in the pump body, the piston plate is fixedly connected to a telescopic rod (81) of the cylinder (8) and moves up and down in the pump body through the cylinder (8), and the piston plate and the interior of the pump body form a telescopic cavity (22).

4. The lithium ion electrolyte injection device of claim 3, wherein a corrosion-resistant seal ring is disposed between the piston plate and the pump body.

5. A lithium-ion electrolyte injection device according to claim 1, characterized in that the electrolyte meter (5) is an oil meter.

6. The lithium ion electrolyte injection device according to claim 1, wherein a warning light (7) is arranged at the top of the liquid storage barrel (1), and the warning light (7) is electrically connected with the electrolyte meter (5).

7. The lithium ion electrolyte injection device according to claim 1, wherein a liquid pumping pipe and a liquid inlet pipe are arranged in the liquid storage barrel (1), and the liquid pumping pipe is communicated with the liquid injection hose (4) through a pipe joint.