CN211613235U

CN211613235U - Battery contact oiling station

Info

Publication number: CN211613235U
Application number: CN201922402842.0U
Authority: CN
Inventors: 王亚峰; 吴丽军; 韩伟; 李亚辉; 龙海涛; 陈亚; 黄守明
Original assignee: Jiangsu Zhitai New Energy Technology Co ltd
Current assignee: Jiangsu Zhitai New Energy Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-02
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a battery contact type oiling device, which comprises a liquid conveying shaft (1), a contact sponge (2) and a convex rib (3); the contact sponge (2) is wrapped on the outer side of the liquid conveying shaft (1), and liquid outlet holes with equal intervals are formed in the surface of the liquid conveying shaft (1) covered by the sponge; the liquid conveying shaft (1) is a hollow oil pipe, and a pressure valve is arranged in the liquid conveying shaft; the protruding ribs (3) are positioned on the contact sponge (2) and are 1-5mm higher than the contact sponge (2); the protruding ribs (3) are opposite to the grooves (5) of the battery cell (4). Adopt the device, solved prior art recess (5) most inside can't spout the antirust oil, can't reach anticorrosive problem, realized more effective, comprehensive with electric core surface coating antirust oil, greatly reduced follow-up the in-process of depositing, the rusty probability of electric core promotes the production goodness, practices thrift the cost.

Description

Battery contact oiling station

Technical Field

The utility model relates to a battery technology field, concretely relates to battery contact oiling station.

Background

With the progress of the times, the demand of batteries as a novel environment-friendly energy source is increasing day by day. Liquid batteries are widely commercialized today. The electrolyte contains a large amount of lithium salt additives, and the lithium salt additives can be decomposed in water to generate HF which is corrosive to metals. In the electric core production process, naked electric core begins to annotate liquid after going into the shell, because annotate liquid machine mouth and have remaining electrolyte, this part electrolyte drops on electric core shell, can corrode electric core shell increase electric core and leak the danger at night, makes electric core unable continuation use.

Therefore, the finished battery core is provided with an oiling step, and after the battery core is cleaned, antirust oil is sprayed, so that the battery core shell is prevented from being corroded, and the storage life is prolonged. However, the prior art and the anti-rust oil effect are not ideal, the battery cell shell is often rusted, especially, 90% of rusted battery cells start to have corrosion points at the notch position of the rolling groove first, and the corrosion points are gradually enlarged, so that the part of the battery cells are forced to be directly scrapped, and the capacity and the resource waste are seriously influenced.

At present, most oiling devices are used for spraying, and a spray head faces to the surface of the battery cell and sprays anti-rust oil at a certain speed. The notch of the groove is of a bottle shape, the notch is narrow, and the inner part is wide, so the spraying design is not good for the innermost effect of the groove, most of the spraying design can not spray the anti-rust oil, and the anti-corrosion effect can not be achieved.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is expected to provide a more rational and effective oiling device, which changes the traditional spraying device into contact coating. Oiling station design protrusion rib position, this position is just to electric core notch, and protrusion rib width is a bit larger than the notch width, and the outermost sponge class soft material of chooseing for use of oiling station, the surface is fine and close, does not harm electric core surface, and the rust-resistant oil of coating that can be even, protrusion rib material select for use the high-pressure sponge that has certain hardness, and inside this position contactable recess, even coating rust-resistant oil and do not harm electric core surface.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a battery contact type oiling device, which comprises a liquid conveying shaft, a contact sponge and a convex rib; the contact sponge is wrapped on the outer side of the liquid conveying shaft, and liquid outlet holes with equal intervals are formed in the surface of the liquid conveying shaft covered by the sponge; the liquid conveying shaft is a hollow oil pipe, and a pressure valve is arranged inside the liquid conveying shaft; the protruding ribs are positioned on the contact sponge and are 1-5mm higher than the contact sponge; the protruding ribs are opposite to the groove positions of the battery cell.

Further, the material of the liquid transmission shaft is one of N8 alloy, A3 carbon constructional steel, 310S stainless steel, 440C steel, 304 stainless steel, 13Cr stainless steel and copper.

Furthermore, the material of the contact sponge and the protruding ribs is one of polyethylene, polyurethane, ethylene-vinyl acetate copolymer, nano sponge and cellulose sponge.

Further, the thickness of the contact sponge is 1-20 mm.

Further, the rotation direction of the contact type oil coating device is opposite to the rotation direction of the battery core.

Furthermore, the oil coating speed of the contact type oil coating device is 1-90 r/min.

Further, the battery comprises a nickel-metal hydride battery, a fuel battery, a lead-acid battery and a lithium ion battery.

The utility model discloses beneficial effect as follows:

1) the utility model provides a battery contact type oiling device, which solves the problem that most of the innermost parts of the grooves in the prior art can not be sprayed with anti-rust oil and can not achieve corrosion prevention, and realizes more effective and comprehensive coating of the surface of an electric core with the anti-rust oil;

2) the utility model provides a battery contact oiling station, greatly reduced the follow-up in-process of depositing, the rusty probability of electricity core promotes the production goodness, practices thrift the cost.

Drawings

FIG. 1 is a schematic view of the contact type oiling device of the present invention;

wherein, 1 is the liquid conveying axle, 2 is the contact sponge, 3 is protruding rib, 4 is the electric core, 5 is the electric core recess.

Detailed Description

The specific embodiment of the utility model provides a battery contact type oiling device, which comprises a liquid conveying shaft 1, a contact sponge 2 and a convex rib 3; the contact sponge 2 is wrapped on the outer side of the liquid conveying shaft 1, and liquid outlet holes with equal intervals are formed in the surface of the liquid conveying shaft 1 covered by the sponge; the liquid conveying shaft 1 is a hollow oil pipe, and a pressure valve is arranged inside the hollow oil pipe; the convex ribs 3 are positioned on the contact sponge 2 and are 1-5mm higher than the contact sponge 2; the protruding ribs 3 are opposite to the grooves 5 of the battery cell 4.

Further, the material of the liquid transfer shaft 1 is one of N8 alloy, A3 carbon structural steel, 310S stainless steel, 440C steel, 304 stainless steel, 13Cr stainless steel and copper.

Further, the contact sponge 2 and the protruding ribs 3 are made of one of polyethylene, polyurethane, ethylene-vinyl acetate copolymer, nano sponge and cellulose sponge.

Further, the thickness of the contact sponge 2 is 1-20 mm.

Further, the pressure valve is used for controlling the flow of the conveying of the anti-rust oil, so that the contact sponge 2 is in a full immersion liquid state and the anti-rust oil cannot overflow.

Further, when the contact sponge 2 is in contact with the battery cell 4, the protruding ribs 3 can fill the inner side of the groove through extrusion, so that the inner wall of the rolling groove is fully coated with oil.

In order to understand the features and technical contents of the present invention in more detail, the following description is given in conjunction with the accompanying drawings and embodiments, which are only for reference and not for limitation.

After the battery core is fed, the battery core passes through an ultrasonic cleaning area, a water washing area, a drying area, an oil coating area and a secondary drying area; from dry district to fat liquoring district, the electric core supplied materials is the stretching strap conveying, and the stretching strap is the gyro wheel that the surface is crude, and the gyro wheel rotates, and electric core leans on frictional force to flow away forward, and electric core gets into the district of scribbling fat liquoring.

The contact oiling device in the oiling area keeps a rotating state all the time, the contact sponge (with the thickness of 20 mm) is in a full immersion liquid state, as shown in figure 1, when the battery cell passes through the contact oiling device, the contact sponge is in contact with the surface of the battery cell, the antirust oil is coated on the surface of the battery cell, and the rotating direction of the battery cell is opposite to that of the contact oiling device in the process so as to ensure that the surface of the battery cell can be completely covered with the antirust oil.

The protruded ribs are high-pressure sponge with certain hardness, the high-pressure sponge is hard sponge with the hardness of 41-55 degrees, and the density is more than 45kg/m³The material is polyurethane, is higher than contact sponge 2 by 5mm, can fill up electric core recess, guarantees that every position in the recess all coats rust-preventive oil.

Example 1:

preparing 100 18650 electric cores, and spraying an HF acid solution with the concentration of 1% on the surface; passing through an ultrasonic cleaning zone, a water washing zone, a drying zone, an oiling zone and a secondary drying zone; the oil coating area is designed into three contact type oil coating devices, the rotating speed is 45r/min, the cells dried at the production rhythm of 4/min are stored for 30 days in an environment at 25 ℃, and the number of rusted cells is recorded.

Example 2

Preparing 100 18650 electric cores, and spraying an HF acid solution with the concentration of 1% on the surface; passing through an ultrasonic cleaning zone, a water washing zone, a drying zone, an oiling zone and a secondary drying zone; the oiling area is designed into five contact type oiling devices, the rotating speed is 45r/min, and the production rhythm is 6/min; and (4) storing the dried battery cores for 30 days in an environment at 25 ℃, and recording the number of the rusted battery cores.

Example 3

Preparing 100 18650 electric cores, and spraying an HF acid solution with the concentration of 1% on the surface; passing through an ultrasonic cleaning zone, a water washing zone, a drying zone, an oiling zone and a secondary drying zone; the oiling area is designed into eight contact type oiling devices, the rotating speed is 45r/min, and the production rhythm is 8/min; and (4) storing the dried battery cores for 30 days in an environment at 25 ℃, and recording the number of the rusted battery cores.

Example 4

Preparing 100 18650 electric cores, and spraying an HF acid solution with the concentration of 1% on the surface; passing through an ultrasonic cleaning zone, a water washing zone, a drying zone, an oiling zone and a secondary drying zone; wherein, the oiling area is designed into ten contact type oiling devices, the rotating speed is 45r/min, and the production rhythm is 10/min; and (4) storing the dried battery cores for 30 days in an environment at 25 ℃, and recording the number of the rusted battery cores.

Comparative example 1:

preparing 100 18650 electric cores, and spraying an HF acid solution with the concentration of 1% on the surface; passing through an ultrasonic cleaning zone, a water washing zone, a drying zone, an oil coating zone and a secondary drying zone; wherein the oiling area adopts a traditional spraying mode which is a coating mode; and (4) storing the dried battery cores for 30 days in an environment at 25 ℃, and recording the number of the rusted battery cores.

The results of the experiment are shown in table 1 below:

group of	Comparative example 1	Example 1	Example 2	Example 3	Example 4
						Rusty cell/cell	47	10	7	1	0

According to the results, the contact coating method is obviously superior to the spray type oil coating method in rust prevention effect, the more the contact type oil coating devices in the oil coating area are, the better the rust prevention effect is, the faster the production beat is, and the production rate and the goodness are greatly improved.

The above matters related to the common general knowledge are not described in detail and can be understood by those skilled in the art.

The above description is only for the specific embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a battery contact oiling station which characterized in that: comprises a liquid conveying shaft (1), a contact sponge (2) and a protruding rib (3); the contact sponge (2) is wrapped on the outer side of the liquid conveying shaft (1), and liquid outlet holes with equal intervals are formed in the surface of the liquid conveying shaft (1) covered by the sponge; the liquid conveying shaft (1) is a hollow oil pipe, and a pressure valve is arranged in the liquid conveying shaft; the protruding ribs (3) are positioned on the contact sponge (2) and are 1-5mm higher than the contact sponge (2); the protruding ribs (3) are opposite to the grooves (5) of the battery cell (4).

2. The battery contact oiling device of claim 1, wherein: the liquid transmission shaft (1) is made of one of N8 alloy, A3 carbon structural steel, 310S stainless steel, 440C steel, 304 stainless steel, 13Cr stainless steel and copper.

3. The battery contact oiling device of claim 1, wherein: the contact sponge (2) and the protruding ribs (3) are made of one of polyethylene, polyurethane, ethylene-vinyl acetate copolymer, nano sponge and cellulose sponge.

4. The battery contact oiling device of claim 1, wherein: the thickness of the contact sponge (2) is 1-20 mm.

5. The battery contact oiling device of claim 1, wherein: the battery comprises a nickel-hydrogen battery, a fuel battery, a lead-acid battery and a lithium ion battery.