CN218655275U

CN218655275U - A frictioning device for testing battery package

Info

Publication number: CN218655275U
Application number: CN202222872116.7U
Authority: CN
Inventors: 向鹏
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-21
Anticipated expiration: 2032-10-31

Abstract

The utility model provides a frictioning device for experimental battery package, the loach carrying platform comprises a supporting fram, a handle, the frictioning board, spacing supporting shoe fixes at the support frame both ends in pairs, the width of frictioning board slightly is less than the distance between two spacing supporting shoes, and with support frame adjustable connection, when frictioning device erects under the battery package on the box, spacing supporting shoe and battery package box contact down, for the frictioning device provides the support, can pull the frictioning device through the handle of fixing on the support frame and remove under the battery package on the box, the frictioning board removes the in-process and battery package rubberizing face contact in order to accomplish the frictioning operation at the frictioning device. The utility model has no complex power device and control system, simple structure and low cost; the limiting supporting block limits the thickness of frictioning, and the proper width of the frictioning plate can complete frictioning at one time; the distance between the glue spreading surface of the glue spreading plate and the glue spreading surface of the battery is changed by adjusting the positions of the glue spreading plate and the supporting frame, so that the glue spreading device is suitable for different glue spreading thicknesses.

Description

A frictioning device for experimental battery package

Technical Field

The utility model belongs to the technical field of the battery package equipment technique and specifically relates to a frictioning device for experimental battery package.

Background

Due to the development of new energy automobiles, the demand of the market for lithium batteries, particularly for battery packs, is increasing. The battery PACK, also commonly called a battery PACK, mainly refers to the processing and assembly of a lithium battery PACK, and mainly combines and processes a battery core, a battery protection plate, a battery connecting sheet and the like through a battery PACK process.

Need scribble the heat-conducting glue under the battery package in the box, electric core heat dissipation in the convenient module, nevertheless artifical or automatic equipment box rubber coating under to PACK generally is the strip, and thickness is inhomogeneous, needs the frictioning device to scribble glue evenly and reach anticipated thickness.

In battery package sample production process, often need verify under the PACK box different rubber coating thickness to the radiating effect of electric core in the module, and the frictioning device on the market at present mainly is the automatic frictioning device that is used for batch production, and this kind of frictioning device often needs extra power device and control system, and the structure is complicated, with high costs, is not suitable for the less experimental scene of battery package quantity.

For the test scenario, the existing squeegee apparatus generally adopts a standard squeegee plate on the market, see fig. 5, but the standard squeegee plate has the following disadvantages:

(1) In order to facilitate holding by one hand, the width of the standard glue scraping plate is generally smaller than 300mm, while the width of the lower box body of the battery pack is generally larger than 600mm, so that glue scraping is required for multiple times, and the consistency of the thickness of the glue cannot be ensured by multiple times of glue scraping;

(2) The distance between the standard glue scraping plate and the glue spreading surface completely depends on manual experience, the glue after scraping cannot be guaranteed to reach the expected thickness, and the glue scraping plate cannot be used in scenes with high precision requirements on glue scraping thickness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be under experimental scene, simple structure, with low costs, but can ensure the unanimous device of adjusting frictioning thickness of frictioning thickness simultaneously to overcome the not enough of prior art.

In order to achieve the above object, the utility model provides a frictioning device for experimental battery package, include: the battery pack comprises a support frame, handles, a rubber scraping plate and limiting support blocks, wherein the limiting support blocks are arranged at two ends of the support frame in pairs and provide support for the support frame when the support frame is erected on a lower box body of the battery pack; the width of the glue scraping plate is slightly smaller than the distance between the limiting support blocks arranged in pairs, and the glue scraping plate is fixed on the support frame in a manner of adjusting the distance between the glue scraping plate and the gluing surfaces of the battery packs; the handle is fixedly connected with the support frame.

Preferably, the handles are arranged in pairs to facilitate two-handed operation.

Preferably, the scraping plate is provided with a clearance groove to avoid the position where glue is not needed or can not be applied.

Preferably, the rubber scraper further comprises a pointer and a graduated scale, and the adjusting distance of the rubber scraper relative to the rubber coating surface of the battery pack can be accurately indicated.

Preferably, the rubber scraping plate is made of epoxy resin, and is high in strength and wear-resistant.

Preferably, an included angle between the glue scraping plate and a gluing surface of the battery pack is 60 degrees. According to field test data, the glue scraping effect is best when the inclination angle of the glue scraping plate is set to be 60 degrees.

Preferably, the support frame is integrally formed and can be used for battery packs in the same series.

Preferably, the limit support block is L-shaped, when the support frame is placed on the lower box body, one edge of the limit support block contacts with the lower box body, and the other edge of the limit support block has a certain distance from the lower box body, so that the normal movement of the glue scraping device on the lower box body is ensured.

Preferably, the thickness of the support frame in the glue scraping direction is greater than or equal to 50mm, and the stability of the glue scraping device in the moving process on the lower box body is improved.

Preferably, the surface of the limit supporting block, which is in contact with the lower box body, is provided with polytetrafluoroethylene resin, so that the reduction of the glue scraping precision caused by the abrasion of the surface is reduced.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:

1. the glue scraping device is erected on the lower box body of the battery pack through the limiting support block, the distance between the glue scraping plate and the glue coating surface of the battery pack is determined, and the consistency of the thickness of glue after glue scraping is ensured;

2. the width of the glue scraping plate basically covers the width of the glue coating surface of the battery pack, so that glue scraping with the same thickness can be completed at one time, and the problem of different thicknesses caused by repeated glue scraping is avoided;

3. the distance between the frictioning plate and the gluing surface of the battery pack can be adjusted through the adjusting device, so that different frictioning thicknesses can be adapted;

4. the glue scraping plate and the support frame are designed in a split mode, the lower box bodies in the same series (namely the same width) are compatible, and the glue scraping plate can be replaced as required;

5. no complex power device and control system, simple structure and low cost.

Drawings

The invention will be further described with reference to the accompanying drawings and embodiments:

fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front schematic view of the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a partially enlarged schematic view of the junction between the lower case 1 and the battery pack of the present invention.

FIG. 5 is a schematic view of a standard prior art doctor blade.

In the figure: 1 is a lower box body of a battery pack; 2 is glue; 3 is a glue scraping device; 31 is a support frame; 32 is a rubber scraping plate; 33 is a limit supporting block; 34 is a handle; 35 is a pointer; 36 is a graduated scale; 37 is a clearance groove; x is the glue scraping direction; d is the spacing between the limiting support block and the lower box body of the battery pack.

Detailed Description

As shown in fig. 1, the glue scraping device 3 is erected on the lower case 1 of the battery pack, and the glue scraping device 3 can be pulled manually to slide on the lower case 1 of the battery pack along the glue scraping direction X, so that the glue 2 is uniformly applied in the sliding process.

As shown in fig. 2 and 3, the glue spreading device 3 includes a support frame 31, a glue spreading plate 32, a limit support block 33, and a handle 34. The limit support blocks 33 are arranged at two ends of the support frame 31, and when the frictioning device 3 is erected on the lower box body 1 of the battery pack, namely in the shape of fig. 1, the limit support blocks 33 are in contact with the frame of the lower box body 1 of the battery pack so as to limit the height of the frictioning device 3 and the gluing surface of the battery pack, thereby limiting the thickness of frictioning. The width of the glue scraping plate 32 is slightly smaller than the distance between the two limiting supporting blocks 33, so that the glue scraping plate can be completely contacted with the glue spreading surface, and the glue scraping operation can be completed at one time; the glue scraping plate 32 is further provided with a strip-shaped bolt groove, the glue scraping plate 32 can be fixed on the support frame 31 through bolts, when the position of the glue scraping plate 32 needs to be adjusted, the bolts are firstly unscrewed, then the glue scraping plate 32 moves up and down, the bolts slide in the strip-shaped bolt groove at the moment, and the bolts are screwed again after the glue scraping plate 32 and the battery package coating surface reach a proper distance. Two handles 34 are arranged on the support frame 31, when the glue scraping device 3 is erected on the lower box body 1 of the battery pack, the handles 34 can be held by two hands to pull the glue scraping device 3, and operation is convenient.

As shown in fig. 2, a pointer 35 is fixed to the support frame 31, and a scale 36 is fixed to the squeegee 32. When the frictioning board 32 is located initial position, scale 0 on the directional scale 36 of pointer 35, when removing the frictioning board 32, scale 36 removes for pointer 35 thereupon, and at this moment, the directional scale of pointer 35 is the distance that the frictioning board 32 removed for support frame 31 promptly, because the frictioning device 3 erects on the battery package box 1 down the time support frame 31 is fixed with the distance between the spreading surface, can confirm the distance that the frictioning board 32 removed for the spreading surface in view of the above, thereby can reach the purpose of accurate regulation frictioning thickness.

As shown in fig. 2, the squeegee 32 may be provided with a clearance groove 37 for portions where glue is not needed or cannot be applied. If the clearance groove 37 is not opened, the glue may be scraped to the position of the clearance groove 37 in the glue scraping process, and the glue at the position of the clearance groove 37 may overflow to pollute the product in the post-assembly process of the product.

The supporting frame 31 of the present embodiment is integrally formed, has a certain width, and is suitable for lower boxes of the same series (i.e. the same width), but the positions of the empty avoiding grooves of the same series may be different, and the glue scraping plate 32 may be replaced according to circumstances.

The material of the rubber scraping plate 32 of the embodiment is epoxy resin, so that the strength is high and the rubber scraping plate is wear-resistant. Of course, other suitable materials may be substituted as desired.

As shown in fig. 3, the squeegee 32 is disposed obliquely at an angle of 60 ° with respect to the battery sheathing surface. Support frame 31 is at the thickness more than or equal to 50mm of frictioning direction X, to the general battery package lower box 1 that is greater than 600mm of width, can guarantee the stability of frictioning device 3 when the battery package lower box moves.

As shown in fig. 4, the limit support block 33 is an L-shaped member, and is fixed on the support frame 31 by bolts, when the glue scraping device 3 is erected on the lower case 1 of the battery pack, one side of the limit support block 33 contacts with the lower case 1 of the battery pack to support the glue scraping device 3, and the other side is separated from the lower case 1 of the battery pack by a certain distance D, such as 1mm, to ensure that the glue scraping device 3 can slide on the lower case 1 of the battery pack without being hindered. In addition, polytetrafluoroethylene resin (not shown) such as teflon adhesive tape is pasted on the bottom surface of the limiting support block 33, which is in contact with the lower case 1 of the battery pack, so that the reduction of the scraping precision caused by the abrasion of the surface is reduced.

Claims

1. A frictioning device for testing battery packs, comprising: the battery pack comprises a support frame, handles, a rubber scraping plate and limiting support blocks, wherein the limiting support blocks are arranged at two ends of the support frame in pairs and provide support for the support frame when the support frame is erected on a lower box body of the battery pack; the width of the glue scraping plate is slightly smaller than the distance between the limiting support blocks arranged in pairs, and the glue scraping plate is fixed on the support frame in a manner of adjusting the distance between the glue scraping plate and the gluing surfaces of the battery packs; the handle is fixedly connected with the support frame.

2. The dispensing device of claim 1, wherein the handles are arranged in pairs.

3. The scraping device for testing battery packs as claimed in claim 1, wherein the scraping plate is provided with clearance grooves.

4. The frictioning device of claim 1, further comprising a pointer and a scale.

5. The squeegee apparatus of claim 1, wherein the squeegee is made of epoxy.

6. The frictioning device of claim 1, wherein the included angle between the frictioning plate and the rubberized surface of the battery pack is 60 °.

7. The scraping device for testing battery packs as claimed in claim 1, wherein the support frame is integrally formed.

8. The frictioning device of claim 1, wherein the limit support block is L-shaped, and when the support frame is placed on the lower case, one side of the limit support block contacts the lower case, and the other side of the limit support block has a certain distance from the lower case.

9. The frictioning device of claim 1, wherein the thickness of the support frame in the frictioning direction is greater than or equal to 50mm.

10. The scraping device for the test battery pack as claimed in claim 1, wherein the surface of the limit supporting block contacting with the lower case body is provided with polytetrafluoroethylene resin.