CN214864735U

CN214864735U - Battery case spraying device

Info

Publication number: CN214864735U
Application number: CN202022815418.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-11-26
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to the field of battery production, and provides a battery shell spraying device, which comprises a box body provided with a sealed cavity, and a spraying mechanism, a drying mechanism and a transferring mechanism which are all arranged in the sealed cavity; the transfer mechanism is used for clamping the avoiding spraying part of the battery and driving the battery to move from a spraying working area of the spraying mechanism to a drying working area of the drying mechanism; the spraying mechanism sprays the insulating paint to a spraying area of the battery, and the drying mechanism solidifies the insulating paint in the spraying area to form an insulating layer on the outer surface of the shell of the battery. Based on the structure, the insulating coating can be sprayed to a spraying area of the battery through the spraying mechanism in a sealed cavity with moderate temperature, moderate humidity and basically no dust, and then the battery sprayed with the insulating coating is dried through the drying mechanism, so that the insulating layer with good strength and hardness, firm and reliable connection, good insulating property, large stripping force, difficulty in falling and long service life can be directly formed on the outer surface of the shell of the battery.

Description

Battery case spraying device

Technical Field

The utility model belongs to the technical field of the battery production, especially, relate to a battery case spraying device.

Background

When the battery module is grouped, it is generally required that the batteries are insulated from each other. In this regard, in the related art, a PET (Polyethylene terephthalate) insulating film is generally wrapped and adhered on the outer surface of the battery case by a film wrapping machine. However, the PET insulating film has certain limitations in terms of strength, life, insulating characteristics, etc., and when the battery case has unevenness such as foreign matter or depression, bubbles, foreign matter, etc. are likely to occur between the PET insulating film and the case, resulting in problems of poor strength and hardness, poor insulation, high aging risk, easy falling, poor life, etc. of the insulating layer of the battery manufactured by the above method.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a battery case spraying device to there is intensity and hardness relatively poor, insulating relatively poor, the ageing risk is higher, easily drop, the relatively poor technical problem of life-span in the insulating layer of the battery of solving and making through prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: a battery shell spraying device comprises a box body provided with a sealed cavity, and a spraying mechanism, a drying mechanism and a transferring mechanism which are all arranged in the sealed cavity;

the transfer mechanism is used for clamping the avoiding spraying part of the battery and driving the battery to move from a spraying working area of the spraying mechanism to a drying working area of the drying mechanism;

the spraying mechanism sprays the insulating paint to a spraying area of the battery, and the drying mechanism solidifies the insulating paint in the spraying area to form an insulating layer on the outer surface of the shell of the battery.

By adopting the scheme, the insulating coating can be sprayed to the spraying area of the battery through the spraying mechanism in a sealed cavity with moderate temperature, moderate humidity and basically no dust, then the battery sprayed with the insulating coating is dried through the drying mechanism, so that the insulating layer can be directly formed on the outer surface of the shell of the battery without being adhered to the shell of the battery through an adhesive tape and the like, and the risk of bubbles, foreign matters and the like between the insulating layer and the shell of the battery is lower, so that the manufactured insulating layer has the advantages of better strength and hardness, firm and reliable connection, better insulating property, larger stripping force, difficulty in falling, longer service life and the like, the preparation process of the insulating layer is simple and convenient, the production yield is higher, and the manufactured battery is favorably promoted to have consistent and better quality.

In one embodiment, the transfer mechanism includes:

the clamping assembly is used for clamping the avoiding spraying part of the battery;

the first moving assembly is connected with the clamping assembly and is used for driving the clamping assembly to lift;

and the second moving assembly is connected with the first moving assembly and is used for driving the first moving assembly to move from the spraying working area to the drying working area.

Through adopting above-mentioned scheme, can be earlier through the centre gripping subassembly centre gripping, fixed battery, rethread second removes the subassembly and drives first removal subassembly, centre gripping subassembly and battery are synchronous, remove to spraying workspace and stoving workspace in proper order, rethread first removal subassembly drive centre gripping subassembly and battery go up and down for spraying mechanism or stoving mechanism afterwards, can make each region of battery all get into in the operation within range of spraying mechanism and stoving mechanism in proper order, thereby can effectively avoid leaking the spraying, the condition of leaking the stoving takes place, thereby do benefit to further guarantee and improve the operation quality of spraying operation and stoving operation, do benefit to the battery that further makes promptly and have unanimous and better quality.

In one embodiment, the transfer mechanism further comprises a rotary drive connected between the gripping assembly and the first moving assembly for driving the gripping assembly to rotate about the rotary axis.

Through adopting above-mentioned scheme, when the spraying region of the battery that can not completely cover in the quantity that sets up of spray gun subassembly, cause the spraying region of battery to probably have the condition that some regions leak the spraying, accessible rotary actuator drive centre gripping subassembly revolves the axis of rotation and rotates to make all spraying regions of the battery that centre gripping subassembly was held can pass through the spray gun subassembly and carry out the spraying to it by the spray gun subassembly, thereby do benefit to further guarantee and improve the operation quality of spraying operation, do benefit to promptly and further make the battery of making have unanimous and better quality.

In one embodiment, the spray mechanism includes a spray gun assembly disposed on one side of the battery, and a third movement assembly coupled to the spray gun assembly for driving the spray gun assembly to move to a spray operating position in which the spray gun assembly sprays the insulating coating onto a side of the battery proximate thereto.

Through adopting above-mentioned scheme, can be according to the spraying demand of the battery of unidimensional not, move the position of subassembly to the spray gun subassembly through the third and adjust to make the spraying demand that the spray gun subassembly can adapt to the battery of unidimensional not, and with insulating coating spraying to the battery be close to on its side, on this basis, do benefit to further guarantee and improve the operation quality of spraying operation, and still can improve insulating coating's spraying efficiency on the basis of guarantee spraying quality.

In one embodiment, the spray mechanism further comprises a flow detection unit connected to the spray gun assembly, and a discharge control unit connected to both the spray gun assembly and the flow detection unit.

By adopting the above scheme, the spraying flow of the spray gun assembly can be detected in real time by the flow detection unit, so that the discharge control unit can timely adjust the relevant parameters of the spray gun assembly according to the detection result which is detected in real time by the flow detection unit and fed back in real time, the spraying effect of the spray gun assembly on the battery can be coordinated, the further guarantee can be facilitated, the operation quality of the spraying operation can be improved, and the manufactured battery can be further promoted to have consistent and better quality.

In one embodiment, the spray mechanism further comprises a pressure sensing unit connected to both the spray gun assembly and the discharge control unit.

By adopting the above scheme, can further detect the spraying pressure of spray gun subassembly through pressure detecting element real-time detection to the ejection of compact control unit of being convenient for synthesizes according to pressure detecting element and flow detection unit real-time detection and the timely relevant parameter of adjusting the spray gun subassembly of the testing result of real-time feedback, with the further spraying effect of coordinating spray gun subassembly to the battery, thereby do benefit to further guarantee and improve the operation quality of spraying operation, do benefit to and further make the battery of making have unanimous and better quality promptly.

In one embodiment, the drying mechanism comprises a first drying part and a second drying part arranged opposite to the first drying part, and the first drying part and the second drying part are separated from each other to form a drying working area.

By adopting the above scheme, the accessible sets up relatively and the first stoving piece and the second stoving piece that the interval set up, and simultaneously, synchronous, harmoniously dries the insulating coating to each side of battery that is located the stoving workspace to make insulating coating solidify in the shell of battery, and form the insulating layer of firm and insulating properties preferred, thereby do benefit to the operation quality that further improves the stoving operation, and do benefit to and improve drying efficiency.

In one embodiment, the battery case spraying device further comprises a spraying platform for supporting the spraying mechanism, a drying platform for supporting the drying mechanism, and a rack platform for supporting the spraying platform, the drying platform and the transferring mechanism, wherein the surfaces of the rack platform, the spraying platform and the drying platform are arranged in an insulating manner.

Through adopting above-mentioned scheme, accessible spraying platform sets up spraying mechanism, sets up stoving mechanism through drying platform to and set up spraying platform, stoving platform and move and carry the mechanism through rack platform, based on this, do benefit to the stationarity that ensures each mechanism, in order to do benefit to the even running of guaranteeing each mechanism, thereby do benefit to the quality uniformity of the battery that further guarantee was made. And, through all insulating the setting with the surface of frame platform, spraying platform and stoving platform, still can avoid taking place the circuit between each mechanism and the battery and switch on to do benefit to the safety in utilization performance that ensures battery case spraying device.

In one embodiment, the battery case spraying device further comprises a temperature and humidity detection sensor connected to the box body, and the temperature and humidity detection sensor is further electrically connected with the drying mechanism.

By adopting the scheme, the temperature and the humidity in the sealed cavity can be detected through the temperature and humidity detection sensor, and the box body can coordinate and adjust the temperature and the humidity in the sealed cavity based on the temperature and humidity data detected by the temperature and humidity detection sensor, so that the operation environment in the sealed cavity can adapt to the operation requirements of the spraying mechanism and the drying mechanism, thereby being beneficial to further ensuring and improving the preparation quality of the insulating layer; and the output power of the drying mechanism can be adjusted based on the temperature data detected by the temperature and humidity detection sensor, so that the operation quality of the drying operation can be further ensured and improved.

In one embodiment, the battery shell spraying device further comprises an air draft filtering assembly arranged on the outer wall of the box body, and the air inlet end of the air draft filtering assembly is communicated with the sealing cavity of the box body.

By adopting the scheme, impurities such as dust in the sealing cavity can be filtered through the air draft filtering component so as to maintain the basically dust-free environment of the sealing cavity, so that the phenomenon that the impurities such as dust are adhered to the battery shell to cause bubbles, foreign matters and the like between the formed insulating layer and the battery shell can be further prevented, and the preparation quality of the insulating layer is further ensured and improved; and the residual insulating waste in the sealing cavity after the spraying operation can be filtered by the air draft filtering component, so that the operation quality of the spraying operation can be further ensured and improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a battery case spraying device according to an embodiment of the present invention;

FIG. 2 is a perspective cross-sectional view of the battery enclosure spray coating apparatus provided in FIG. 1;

FIG. 3 is a schematic view of a part of the structure of the battery case spray coating device provided in FIG. 1;

FIG. 4 is an enlarged view of area A provided in FIG. 3;

fig. 5 is a front view of the battery case spray coating apparatus provided in fig. 3.

Wherein, in the figures, the respective reference numerals:

100 '-cell, 110' -terminal; 100-box body, 101-sealed cavity; 200-a spray mechanism, 210-a spray gun assembly; 300-drying mechanism, 310-first drying part, 320-second drying part; 400-a transfer mechanism, 410-a clamping assembly, 420-a first moving assembly, 430-a second moving assembly, 440-a rotary driver; 500-spraying platform, 600-drying platform and 700-rack platform; 800-air draft filtering component.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:

referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a battery case spraying device, which includes a box 100 having a sealed cavity 101, and a spraying mechanism 200, a drying mechanism 300 and a transferring mechanism 400 all disposed in the sealed cavity 101; the transfer mechanism 400 is used for clamping the avoiding spraying part of the battery 100 'and driving the battery 100' to move from the spraying working area of the spraying mechanism 200 to the drying working area of the drying mechanism 300; the spraying mechanism 200 sprays the insulating paint to the sprayed area of the battery 100 ', and the drying mechanism 300 cures the insulating paint of the sprayed area to form an insulating layer on the outer surface of the case of the battery 100'. Wherein the outer case of the battery 100' is typically an aluminum case.

It should be noted here that the box 100 is provided with the sealed cavity 101, and the temperature, humidity and cleanliness of the sealed cavity 101 are all controllable, so that a working environment with moderate temperature, moderate humidity and basically no dust can be provided for the spraying operation and the drying operation, thereby effectively preventing impurities such as dust from adhering to the shell of the battery 100 'to cause the phenomena of bubbles, foreign matters and the like between the formed insulating layer and the shell of the battery 100', and being beneficial to ensuring the operation quality of the spraying operation and the drying operation.

At least one side of the box body 100 is provided with a door which can be opened and closed, and when the door is opened, the battery 100' to be painted can enter the sealed cavity 101. Optionally, at least one side of the box 100 is provided with a visual window to facilitate the operator to monitor the entire operation process.

It should be noted that the transfer mechanism 400 is clamped at the avoiding spraying position of the battery 100 'to avoid any shielding of the spraying area of the battery 100' to cause that part of the area of the battery 100 'is left to be sprayed, thereby further improving the operation quality of the spraying operation, reducing the quality rework situation, and being beneficial to ensuring the quality consistency of the manufactured battery 100'. Optionally, the clamping assembly 410 is clamped to the post 110 'of the battery 100'. That is, the avoiding spraying portion of the battery 100 ' is the pole 110 ' of the battery 100 '.

It should be noted that the transferring mechanism 400 drives the battery 100' to be processed to sequentially pass through the spraying operation area of the spraying mechanism 200 and the drying operation area of the drying mechanism 300. The spray mechanism 200 sprays the insulating paint onto the sprayed area of the battery 100 'while the battery 100' is in the spray work zone. Among them, the insulating paint needs to have better insulating property.

Alternatively, the insulating coating contains 100% of the Curing substance, i.e., the insulating coating is a nonvolatile insulating coating, i.e., an insulating coating that is not dissolved out by water or an organic solvent, such as UV Paint (Ultraviolet light Curing Paint). With the arrangement, the thickness of each area point of the spraying area of the battery 100 'after the insulating coating is cured can be balanced, and the smooth and consistent appearance of the manufactured battery 100' can be guaranteed.

The drying mechanism 300 may dry the battery 100 ' that has been sprayed with the insulating coating by, but not limited to, heat drying, light drying, or a combination thereof while the battery 100 ' is in the drying work area, so that the insulating coating in a liquid (or semi-liquid) state is cured on the outer surface of the outer case of the battery 100 '. Based on this, an insulating layer with good strength and hardness, firm and reliable connection, good insulating performance, large peeling force, difficulty in falling off and long service life can be directly formed on the outer surface of the shell of the battery 100 ', and the insulating layer and the shell of the battery 100' are not required to be adhered through an adhesive tape and the like. When the drying mechanism 300 adopts thermal drying, the drying mechanism 300 has a temperature adjusting function; when the drying mechanism 300 is dried by illumination, the drying mechanism 300 has a brightness adjusting function.

In conclusion, by adopting the above scheme, in the sealed cavity 101 with moderate temperature, moderate humidity and basically no dust, the insulating paint is firstly sprayed to the spraying area of the battery 100 'by the spraying mechanism 200, then the battery 100' sprayed with the insulating paint is dried by the drying mechanism 300, that is, the insulating layer may be directly formed on the outer surface of the case of the battery 100 ', without being adhered to the case of the battery 100' by an adhesive tape or the like, and the risk of occurrence of bubbles, foreign materials, etc. between the insulating layer and the case of the battery 100' is low, so that the manufactured insulating layer has the advantages of better strength and hardness, firm and reliable connection, better insulating property, larger peeling force, difficult falling, longer service life and the like, and the preparation process of the insulating layer is simple and convenient, the production yield is high, and the manufactured battery 100' is favorably promoted to have consistent and better quality.

Referring to fig. 3, 4 and 5, in the present embodiment, the transferring mechanism 400 includes a clamping assembly 410, a first moving assembly 420 and a second moving assembly 430, wherein the clamping assembly 410 is used for clamping the avoiding spraying position of the battery 100'; the first moving assembly 420 is connected with the clamping assembly 410 and is used for driving the clamping assembly 410 to ascend and descend; the second moving assembly 430 is connected to the first moving assembly 420, and is used for driving the first moving assembly 420 to move from the spraying work area to the drying work area. Alternatively, the second moving assembly 430 and the first moving assembly 420 can adopt, but are not limited to, a combination of a sliding rail and a sliding block to realize corresponding operations.

By adopting the above scheme, the battery 100 ' can be clamped and fixed by the clamping component 410, then the second moving component 430 drives the first moving component 420, the clamping component 410 and the battery 100 ' are synchronous and sequentially move to the spraying working area and the drying working area, and then the first moving component 420 drives the clamping component 410 and the battery 100 ' to lift relative to the spraying mechanism 200 or the drying mechanism 300, so that each area of the battery 100 ' can sequentially enter the working range of the spraying mechanism 200 and the drying mechanism 300, thereby effectively avoiding the conditions of spraying leakage and drying leakage, further facilitating further guarantee and improving the working quality of the spraying operation and the drying operation, and further facilitating the manufactured battery 100 ' to have consistent and better quality.

Alternatively, a multi-axis robot, a positioning and transferring jig, or other structures may be used as the transferring mechanism 400 to move and support the battery 100', which is not limited in this embodiment.

Referring to fig. 3, fig. 4 and fig. 5, in the present embodiment, the transferring mechanism 400 further includes a rotating actuator 440 connected between the clamping assembly 410 and the first moving assembly 420, and the rotating actuator 440 is configured to drive the clamping assembly 410 to rotate around a rotating axis L1.

By adopting the above scheme, when the number of the spray gun assemblies 210 is not enough to completely cover the spraying area of the battery 100 'and the spraying area of the battery 100' may have partial area spray leakage, the clamping assembly 410 is driven to rotate around the rotation axis L1 by the rotary actuator 440, so that all the spraying area of the battery 100 'clamped by the clamping assembly 410 can pass through the spray gun assembly 210 and be sprayed by the spray gun assembly 210, thereby further ensuring and improving the operation quality of the spraying operation, i.e. further promoting the manufactured battery 100' to have consistent and better quality.

Referring to fig. 2, 3 and 5, in the present embodiment, the spraying mechanism 200 includes at least one spray gun assembly 210 disposed on one side of the battery 100 ', and at least one third moving assembly (not shown) connected to the spray gun assembly 210, wherein the third moving assembly (not shown) is configured to drive the spray gun assembly 210 to move to a spraying operation position, and the spray gun assembly 210 sprays the insulating paint onto a side surface of the battery 100' close to the side surface in the spraying operation position.

It should be noted that the spray mechanism 200 may be provided with one or more spray gun assemblies 210, depending on the spray area of the battery 100'. A third moving assembly (not shown) may be provided for each spray gun assembly 210 to facilitate adjustment of the position of the spray gun assembly 210. Generally, the spray gun assembly 210 is provided with at least two positions, namely, an original position and a spraying operation position, wherein the spray gun assembly 210 can avoid the transfer mechanism 400 and the battery 100 'at the original position, and the spray gun assembly 210 is close to or far away from the battery 100' relative to the original position at the spraying operation position, so that the spray gun assembly 210 can adapt to the spraying requirements of batteries 100 'with different sizes, thereby further ensuring and improving the operation quality of the spraying operation, namely further promoting the manufactured batteries 100' to have consistent and better quality.

It is further noted herein that in the spray operation position, the spray gun assembly 210 is capable of retrieving the insulating paint from the storage of the insulating paint and spraying the insulating paint onto the side of the battery 100 'adjacent thereto, wherein the side of the battery 100' adjacent thereto comprises at least the side of the battery 100 'facing the spray gun assembly 210 and may even comprise a portion (half) of the area of the side adjacent (to the side of the battery 100' facing the spray gun assembly 210) to the spray gun assembly 210. Therefore, the spraying efficiency of the insulating paint can be improved on the basis of ensuring the spraying quality.

Therefore, by adopting the above scheme, the position of the spray gun assembly 210 can be adjusted by the third moving assembly (not shown in the figure) according to the spraying requirements of the batteries 100 ' with different sizes, so that the spray gun assembly 210 can adapt to the spraying requirements of the batteries 100 ' with different sizes, and the insulating coating is sprayed on the side surface of the battery 100 ' close to the spray gun assembly, thereby being beneficial to further ensuring and improving the operation quality of the spraying operation, and improving the spraying efficiency of the insulating coating on the basis of ensuring the spraying quality.

Referring to fig. 2 and 3, in the present embodiment, the spraying mechanism 200 further includes a flow rate detecting unit (not shown) connected to the spray gun assembly 210, and a discharge control unit (not shown) connected to both the spray gun assembly 210 and the flow rate detecting unit (not shown).

By adopting the above scheme, the spraying flow of the spray gun assembly 210 can be detected in real time by the flow detection unit (not shown in the figure), so that the discharge control unit (not shown in the figure) can conveniently adjust the relevant parameters of the spray gun assembly 210 in time according to the detection result of real-time detection and real-time feedback of the flow detection unit (not shown in the figure), and the spraying effect of the spray gun assembly 210 on the battery 100 'can be coordinated, thereby being beneficial to further ensuring and improving the operation quality of the spraying operation, namely being beneficial to further promoting the manufactured battery 100' to have consistent and better quality.

Referring to fig. 2 and 3, in the present embodiment, the spraying mechanism 200 further includes a pressure detecting unit (not shown) connected to the spray gun assembly 210 and the discharging control unit (not shown).

By adopting the above scheme, the spraying pressure of the spray gun assembly 210 can be further detected in real time by the pressure detection unit (not shown in the figure), so that the discharge control unit (not shown in the figure) can conveniently and timely adjust the relevant parameters of the spray gun assembly 210 according to the detection results of the pressure detection unit (not shown in the figure) and the flow detection unit (not shown in the figure) which are detected in real time and fed back in real time, the spraying effect of the spray gun assembly 210 on the battery 100 'is further coordinated, the operation quality of the spraying operation is further ensured and improved, and the manufactured battery 100' is further promoted to have consistent and better quality.

Referring to fig. 2, fig. 3 and fig. 5, in the present embodiment, the drying mechanism 300 includes a first drying part 310 and a second drying part 320 opposite to the first drying part 310, and the first drying part 310 and the second drying part 320 are separated from each other to form a drying work area. The first drying part 310 and the second drying part 320 can cure the insulating paint of the battery 100' located at the drying work area.

By adopting the above scheme, the insulating coatings on the sides of the battery 100 'in the drying working area can be simultaneously, synchronously and coordinately dried by the first drying part 310 and the second drying part 320 which are oppositely arranged and arranged at intervals, so that the insulating coatings are solidified on the shell of the battery 100' and form a firm insulating layer with better insulating property, thereby being beneficial to further improving the operation quality of the drying operation and being beneficial to improving the drying efficiency.

Referring to fig. 2 and fig. 3, in the embodiment, the battery case spraying apparatus further includes a spraying platform 500 for supporting the spraying mechanism 200, a drying platform 600 for supporting the drying mechanism 300, and a rack platform 700 for supporting the spraying platform 500, the drying platform 600, and the transferring mechanism 400, wherein the surfaces of the rack platform 700, the spraying platform 500, and the drying platform 600 are all insulated.

By adopting the above scheme, accessible spraying platform 500 sets up spraying mechanism 200, sets up stoving mechanism 300 through stoving platform 600 to and set up spraying platform 500, stoving platform 600 and move and carry mechanism 400 through rack platform 700, based on this, do benefit to the stationarity of ensureing each mechanism, in order to do benefit to the even running of ensureing each mechanism, thereby do benefit to the quality uniformity of the battery 100' that further guarantee was made. Moreover, the surfaces of the rack platform 700, the spraying platform 500 and the drying platform 600 are all arranged in an insulating manner, so that circuit conduction between each mechanism and the battery 100' can be avoided, and the use safety performance of the battery shell spraying device is guaranteed.

Referring to fig. 1 and 2, in the embodiment, the battery case spraying device further includes a temperature and humidity detecting sensor (not shown) connected to the box 100, the temperature and humidity detecting sensor (not shown) is further electrically connected to the drying mechanism 300, and the temperature and humidity detecting sensor (not shown) is used for detecting the temperature and humidity in the sealed cavity 101.

By adopting the scheme, the temperature and the humidity in the sealed cavity 101 can be detected through the temperature and humidity detection sensor (not shown in the figure), and based on the temperature and humidity data detected by the temperature and humidity detection sensor (not shown in the figure), the box body 100 can coordinately adjust the temperature and the humidity in the sealed cavity 101, so that the operation environment in the sealed cavity 101 can adapt to the operation requirements of the spraying mechanism 200 and the drying mechanism 300, thereby being beneficial to further ensuring and improving the preparation quality of the insulating layer; furthermore, the output power of the drying mechanism 300 can be adjusted based on the temperature data detected by the temperature and humidity sensor (not shown), so as to further ensure and improve the operation quality of the drying operation.

Referring to fig. 1 and 2, in the embodiment, the battery case spraying device further includes an air draft filtering assembly 800 disposed on an outer wall of the box body 100, an air inlet end of the air draft filtering assembly 800 is communicated with the sealed cavity 101 of the box body 100, and the air draft filtering assembly 800 is used for filtering impurities in the sealed cavity 101.

By adopting the scheme, impurities such as dust in the sealed cavity 101 can be filtered through the air draft filtering component 800 to maintain the basically dust-free environment of the sealed cavity 101, so that the phenomena such as bubbles and foreign matters between the formed insulating layer and the shell of the battery 100 'caused by the adhesion of the impurities such as dust to the shell of the battery 100' can be further prevented, and the preparation quality of the insulating layer can be further ensured and improved; and the residual insulating waste in the sealing cavity 101 after the spraying operation can be filtered by the air draft filtering component 800, so that the operation quality of the spraying operation can be further ensured and improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A battery shell spraying device is characterized by comprising a box body provided with a sealed cavity, and a spraying mechanism, a drying mechanism and a transferring mechanism which are all arranged in the sealed cavity;

the spraying mechanism sprays insulating paint to a spraying area of the battery, and the drying mechanism solidifies the insulating paint in the spraying area so as to form an insulating layer on the outer surface of the shell of the battery.

2. The battery case spray coating apparatus according to claim 1, wherein the transfer mechanism comprises:

3. The battery case spray coating apparatus of claim 2, wherein the transfer mechanism further comprises a rotary actuator connected between the clamping assembly and the first moving assembly, the rotary actuator for driving the clamping assembly to rotate about a rotation axis.

4. The battery case spray coating apparatus of claim 1, wherein the spray mechanism comprises a spray gun assembly disposed on one side of the battery, and a third moving assembly coupled to the spray gun assembly for driving the spray gun assembly to move to a spray operating position in which the spray gun assembly sprays the insulating coating onto a side of the battery adjacent thereto.

5. The battery case spray coating apparatus of claim 4, wherein the spray mechanism further comprises a flow detection unit connected to the spray gun assembly, and a discharge control unit connected to both the spray gun assembly and the flow detection unit.

6. The battery case spray coating device of claim 5, wherein the spray mechanism further comprises a pressure detection unit connected to both the spray gun assembly and the discharge control unit.

7. The battery case spray coating apparatus of claim 1, wherein the drying mechanism comprises a first drying member and a second drying member disposed opposite to the first drying member, the first drying member and the second drying member being separated from each other to form the drying work area.

8. The battery case spray coating apparatus of claim 1, further comprising a spray coating platform for supporting the spray coating mechanism, a drying platform for supporting the drying mechanism, and a rack platform for supporting the spray coating platform, the drying platform, and the transfer mechanism, wherein surfaces of the rack platform, the spray coating platform, and the drying platform are all insulated.

9. The battery case spraying device of claim 1, further comprising a temperature and humidity sensor connected to the box, wherein the temperature and humidity sensor is further electrically connected to the drying mechanism.

10. The battery case spray coating device of claim 1, further comprising an air draft filter assembly disposed on an outer wall of the box body, wherein an air inlet end of the air draft filter assembly is in communication with the sealed cavity of the box body.