Brick type lithium battery insulating layer spraying equipment

Abstract

The utility model discloses brick-shaped lithium battery insulating layer spraying equipment. The brick-shaped lithium battery insulating layer spraying equipment comprises a rotary bearing table, a spraying head and a shielding piece, the rotary bearing table is used for bearing and driving the brick-shaped lithium battery to rotate; the spraying head is arranged on one side of the rotary bearing table and is used for spraying an insulating coating on the surface of the lithium battery; and the shielding piece is arranged above the rotary bearing table, can be in operative abutting connection with the upper surface of the lithium battery and is used for shielding an electrode and a liquid injection opening on the upper surface of the lithium battery. The brick-shaped lithium battery insulating layer spraying equipment can rotate the battery to enable spraying to be more uniform, can also prevent insulating paint from being sprayed to an electrode and a liquid injection port to reduce the conductivity of the electrode, and can also prevent the insulating paint from entering the battery from the liquid injection port to pollute electrolyte.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery technical field, concretely relates to a brick type lithium battery insulating layer spraying equipment. BACKGROUND

[0002] The common battery of new energy automobile is mainly cylindrical battery or brick type battery. The shell of brick type battery is usually aluminum shell. In order to prevent short circuit caused by contact of aluminum shell when multiple batteries are assembled together, the aluminum shell is usually coated with insulating film, which is generally blue. As the voltage standard of new energy vehicle is higher and higher, the industry is developing towards 800V-1200V. Under such high voltage, the insulating film has the risk of breakdown and ignition. Using insulating film to avoid short circuit is gradually not suitable for the demand of lithium battery on high voltage. In addition, since the insulating film is adhered to the aluminum shell with glue, during battery maintenance, laser is needed to remove the insulating film and glue, which is difficult and high in cost.

[0003] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms prior art that is publicly known. SUMMARY

[0004] The utility model aims at providing a brick type lithium battery insulating layer spraying equipment, which can uniformly spray insulating paint and will not cause pollution to the electrode and liquid injection port.

[0005] In order to achieve the above-mentioned purpose, the technical scheme provided by a specific embodiment of the utility model is as follows: a brick type lithium battery insulating layer spraying equipment, comprising: a rotating bearing table, a spraying head and a shielding piece. The rotating bearing table is used for bearing and driving the rotation of the brick type lithium battery; the spraying head is arranged on one side of the rotating bearing table and is used for spraying insulating paint to the surface of the lithium battery; the shielding piece is arranged above the rotating bearing table and can be in operable abutment with the upper surface of the lithium battery, and is used for covering the electrode and liquid injection port on the upper surface of the lithium battery.

[0006] In one or more embodiments of the utility model, the brick type lithium battery insulating layer spraying equipment further comprises: a cleaning assembly arranged on the other side of the rotating bearing table, and the shielding piece can be moved to the cleaning assembly and cleaned.

[0007] In one or more embodiments of the utility model, the cleaning assembly comprises: a cleaning pool and a cleaning piece. The cleaning pool is used for containing the shielding piece; the cleaning piece is arranged in the cleaning pool and is used for cleaning the shielding piece.

[0008] In one or more embodiments of the utility model, the both sides of rotating bearing platform are provided with clamping moving part, clamping moving part and the surface of lithium battery are operatively abutted, be used for fixing and moving lithium battery.

[0009] In one or more embodiments of the utility model, the brick type lithium battery insulation layer spraying equipment further includes a shielding piece moving assembly connected with the shielding piece for moving the shielding piece.

[0010] In one or more embodiments of the utility model, the shielding piece includes three cylindrical shielding covers arranged at intervals; the three cylindrical shielding covers are sequentially arranged on one liquid injection port and two electrodes of the lithium battery.

[0011] In one or more embodiments of the utility model, the brick type lithium battery insulation layer spraying equipment further includes a curing assembly; the curing assembly is selected from an ultraviolet lamp curing device or a high-temperature baking device.

[0012] Compared with the prior art, the brick type lithium battery insulation layer spraying equipment of the utility model adopts a rotating bearing platform to place the lithium battery, which can rotate the battery to make the spraying more uniform. The clamping moving part can fix and move the battery. The shielding piece can avoid the insulation coating from being sprayed onto the electrodes and the liquid injection port, which will not reduce the conductivity of the electrodes, and can also avoid the insulation coating from entering the battery interior from the liquid injection port to pollute the electrolyte. The cleaning assembly can effectively remove the insulation coating splashed on the shielding piece to prevent the insulation coating on the shielding piece from being stained on the electrodes and the liquid injection port during repeated use. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is a schematic view of the brick type lithium battery insulation layer spraying equipment in an embodiment of the utility model.

[0015] Figure 2 It is a schematic view of the shielding piece placed in the cleaning pool in an embodiment of the utility model.

[0016] MAIN REFERENCE NUMERALS EXPLANATION:

[0017] 1-rotating bearing platform, 2-spraying head, 3-shielding piece, 4-cleaning assembly, 41-cleaning pool, 5-clamping moving part, 6-lithium battery. DETAILED DESCRIPTION

[0018] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0019] like Figures 1-2 As shown, an embodiment of the present invention provides a brick-shaped lithium battery insulation layer spraying device, including a rotating support platform 1, a spray head 2, and a shielding member 3. The rotating support platform 1 supports and drives the brick-shaped lithium battery 6 to rotate. The spray head 2 is disposed on one side of the rotating support platform 1 and is used to spray insulating coating onto the surface of the lithium battery 6. The shielding member 3 is disposed above the rotating support platform 1 and can operatively abut against the upper surface of the lithium battery 6, used to cover the electrodes and liquid injection port on the upper surface of the lithium battery 6. The operative connection between the shielding member 3 and the upper surface of the lithium battery means that when spraying is required, the shielding member 3 is placed on the upper surface of the lithium battery 6 to cover the electrodes and liquid injection port. When the battery needs to change the spraying surface or the lithium battery 6 needs to be removed, the shielding member 3 is removed and disengaged from the upper surface of the lithium battery 6.

[0020] In the above embodiment, the brick-shaped lithium battery insulation layer spraying equipment is used to spray the insulation layer on the surface of the lithium battery 6, eliminating the need for an insulating film on the surface of the lithium battery 6. This allows the lithium battery 6 to operate at higher voltages and achieve higher insulation performance. The brick-shaped lithium battery insulation layer spraying equipment uses a rotating support platform 1 to place the lithium battery 6, allowing the battery to rotate for more uniform spraying. The shielding member 3 prevents the insulating coating from being sprayed onto the electrodes and the electrolyte inlet, thus preventing a reduction in electrode conductivity and preventing the electrolyte from entering the battery through the electrolyte inlet and contaminating the electrolyte.

[0021] In one embodiment, the brick-shaped lithium battery insulation layer spraying equipment also includes a cleaning component 4 disposed on the other side of the rotating support table 1, and the shielding member 3 can be moved to the cleaning component 4 and cleaned.

[0022] like Figure 2As shown, the cleaning assembly 4 can include a cleaning pool 41 and a cleaning member (not shown in the figure). The cleaning pool 41 is used to accommodate the shielding member 3; the cleaning member is arranged in the cleaning pool 41 and used to clean the shielding member 3. Since the insulating coating is usually sticky, it is difficult to remove by wiping or washing, and therefore the cleaning pool 41 is filled with a solvent to quickly remove the insulating coating on the surface of the shielding member 3. For example, the solvent can be anhydrous ethanol or other solvents that can effectively dissolve the insulating coating. In addition, such solvents can quickly evaporate and will not remain on the surface of the shielding member, which will not affect the subsequent spraying.

[0023] The cleaning member is selected from one of a cleaning brush and a cleaning roller, which can cooperate with the cleaning pool 41 with the solvent to more efficiently clean the shielding member 3.

[0024] In an embodiment, the two sides of the rotating support table 1 are provided with clamping moving members 5. For example, the clamping moving members 5 can be clamping jaws. The clamping moving members 5 are operatively connected to the surface of the lithium battery 6 and used to fix and move the lithium battery 6. Specifically, the operatively connected to the surface of the lithium battery 6 means that when the lithium battery 6 needs to be fixed or moved, the clamping moving members 5 will clamp the lithium battery 6 so that the lithium battery 6 cannot move relative to the rotating support table 1; or when the lithium battery 6 needs to be moved from the rotating support table 1 to other places, the clamping moving members 5 clamp the lithium battery 6 and move it to the position to be reached. In other cases, the clamping moving members 5 can not be in contact with the surface of the lithium battery 6.

[0025] It can be understood that the clamping moving members 5 and the rotating support table 1 can also have other cooperation forms. The lithium battery 6 can also be moved by other means such as a conveyor belt. These cooperation forms are conventional technical means in the art, which will not be described here.

[0026] In an embodiment, the brick-shaped lithium battery insulating layer spraying device is also provided with a shielding member moving assembly. The shielding member moving assembly is connected to the shielding member 3 and used to move the shielding member 3 between the rotating support table 1 and the cleaning assembly 4 and control the contact and separation of the shielding member 3 and the lithium battery 6. The shielding member moving member can be a guide rail arranged above the rotating support table 1 and the cleaning assembly 4 and a bracket slidingly arranged on the guide rail, and the shielding member 3 is connected to the bracket to realize the movement of the shielding member 3 between the rotating support table 1 and the cleaning assembly 4. The operatively connected to the lithium battery 6 can be realized by the bracket. For example, the bracket can move up and down to move the shielding member 3 relative to the lithium battery 6. The shielding member moving assembly can also adopt other similar structures, which will not be described here.

[0027] Further, the shielding member 3 can be three cylindrical shielding covers arranged at intervals. When the shielding member 3 abuts against the upper end surface of the lithium battery 6, the three cylindrical shielding covers are sequentially arranged on the liquid injection port and the two electrodes of the lithium battery 6 to protect them.

[0028] When the spraying is finished or the spraying surface of the lithium battery 6 is changed during the spraying process, the shielding piece 3 can be moved to the cleaning assembly 4 for cleaning to avoid the insulation coating on the shielding piece 3 from polluting the liquid injection port and the electrode in the subsequent spraying process.

[0029] In an embodiment, the brick-type lithium battery 6 insulation layer spraying device is further provided with a curing assembly (not shown in the figure) for curing the insulation coating on the surface of the lithium battery 6. Preferably, the curing assembly is selected from an ultraviolet lamp curing device or a high-temperature baking device.

[0030] The spraying method of the brick-type lithium battery insulation layer spraying device can specifically include the following steps:

[0031] The brick-type lithium battery is placed on the rotating bearing table, and the clamping moving piece clamps and fixes the brick-type lithium battery.

[0032] The shielding piece is placed on the upper surface of the brick-type lithium battery and covers the liquid injection port and the electrode on the upper surface.

[0033] The spraying head sprays the insulation coating on the surface of the lithium battery, and the rotating bearing table rotates to change the spraying surface of the lithium battery.

[0034] The sprayed lithium battery is transported to the curing area to cure the coating on the surface of the lithium battery to form an insulation layer.

[0035] Further, the spraying method further includes: the shielding piece is moved to the cleaning pool for cleaning, preparing for the next spraying. This step can avoid the insulation coating on the shielding piece from polluting the electrode and the liquid injection port.

[0036] Further, since the clamped part of the lithium battery may not be sprayed or relatively thin during the spraying process. Therefore, the spraying method further includes: moving the cured lithium battery to the rotating bearing table, clamping the other position of the lithium battery by the clamping moving piece. The shielding piece is placed on the upper surface of the lithium battery again and covers the liquid injection port and the electrode on the upper surface, and the un-sprayed position of the surface of the lithium battery is sprayed. The twice-sprayed lithium battery is transported to the curing area for curing the coating, and finally a complete insulation film is formed.

[0037] The spraying method using the above brick-type lithium battery insulation layer spraying device sprays insulation coating on the surface of the lithium battery to form an insulation layer. The insulation layer is more suitable for the surface of the lithium battery than the insulation film, the thickness is easier to control, and better insulation can be achieved. In addition, the spraying method rotates the spraying surface of the lithium battery during the spraying process and provides secondary spraying, which can achieve more uniform spraying.

[0038] In summary, the brick type lithium battery insulating layer spraying equipment adopts the rotary bearing table 1 to place the lithium battery, can rotate the battery to make the spraying more uniform. The clamping moving piece 5 can fix and move the battery. The shielding piece 3 can avoid that the insulating paint is sprayed on the electrode and the liquid injection port, will not reduce the conductivity of the electrode, also will not enter the battery internal from the liquid injection port and pollute the electrolyte. The cleaning assembly 4 can effectively remove the insulating paint splashed on the shielding piece 3, prevent the insulating paint on the shielding piece 3 from being stained on the electrode and the liquid injection port in the repeated use process.

[0039] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The scope of the application is defined by the appended claims rather than by the description of the exemplary embodiments. Therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced by the application. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0040] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification need necessarily include every independent technical characteristic referred to or implied. The description herein of any particular embodiment is primarily intended to enable others skilled in the art to make or use the claimed application. Any reference in the specification to something being "preferred" or "advantageous" does not necessarily imply that the described feature is required.

Claims

1. A brick-type lithium battery insulation layer spraying apparatus, characterized by, The application relates to a rotating bearing table for bearing and driving a brick-shaped lithium battery to rotate, a spraying head arranged on one side of the rotating bearing table and used for spraying insulating paint on the surface of the lithium battery, and a shielding piece arranged above the rotating bearing table and capable of being in operative abutment with the upper surface of the lithium battery and used for shielding the electrodes and the liquid injection port on the upper surface of the lithium battery. The application further relates to a cleaning assembly arranged on the other side of the rotating bearing table, the shielding piece being capable of being moved to the cleaning assembly and cleaned. The cleaning assembly comprises a cleaning pool for containing the shielding piece and a cleaning piece arranged in the cleaning pool and used for cleaning the shielding piece. The two sides of the rotating bearing table are provided with clamping moving pieces in operative abutment with the surface of the lithium battery and used for fixing and moving the lithium battery. The application further relates to a shielding piece moving assembly connected with the shielding piece and used for moving the shielding piece.

2. The brick-type lithium battery insulation layer spraying apparatus of claim 1, wherein, The shielding piece comprises three cylindrical shielding covers arranged at intervals, and the three cylindrical shielding covers are sequentially arranged on one liquid injection port and two electrodes of the lithium battery. The application further relates to a curing assembly selected from an ultraviolet lamp curing device or a high-temperature baking device.

3. The brick-shaped lithium battery insulation layer spraying equipment according to claim 2, characterized in that, ​ ​ ​ 4. The brick-type lithium battery insulation layer spraying apparatus of claim 1, wherein, ​ 5. The brick-type lithium battery insulation layer spraying apparatus of claim 1, wherein, ​ 6. The brick-shaped lithium battery insulation layer spraying equipment according to claim 1, characterized in that, ​ 7. The brick-shaped lithium battery insulation layer spraying equipment according to claim 1, characterized in that, ​

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