Shell inner wall oil scraping equipment

Abstract

The utility model provides an oil scraping device for the inner wall of a shell, which comprises a base as a supporting and mounting carrier; the material placing seat is installed on the base, a shell to be subjected to oil scraping on the inner wall can be reversely inserted into the material placing seat, radial limiting and axial limiting are conducted on the shell, and an installation area is arranged on the material placing seat; the four-claw air cylinder is installed in the installation area, claw bodies are arranged at the four output ends of the four-claw air cylinder, oil scraping assemblies are arranged at the ends of the claw bodies, the oil scraping assemblies can make contact with or be separated from the inner wall of the shell along with movement of the claw bodies, and when the oil scraping assemblies make contact with the inner wall of the shell, the oil scraping assemblies are driven by the oil scraping assemblies to be separated from the inner wall of the shell. Oil can be scraped on the inner wall of the shell along with rising of the shell. The oil scraping equipment for the inner wall of the shell is compact in structure, small in size, low in manufacturing and using cost, high in oil scraping efficiency and good in oil scraping effect.

Description

Technical Field

[0001] The utility model relates to a battery case production device, in particular to an oil scraping device for the inner wall of the case. Background Art

[0002] Lithium batteries are a power supply device for common electric devices, and are also often used as power sources in new energy electric vehicles at present.

[0003] An outer shell for installing electrode materials is usually sleeved outside the lithium battery. The outer shell is usually made of aluminum. During the production process of the outer shell, flat aluminum plates are generally used, and the flat aluminum plates are stamped multiple times to form an aluminum box-shaped outer shell. During the stamping process of making the outer shell, in order to improve the lubricity of stamping and protect the aluminum plate, stamping oil is coated on the aluminum plate. Therefore, the surface of the formed box-shaped outer shell is often contaminated with oil. After the box-shaped outer shell is formed, it is cleaned. If the contaminated outer shell is directly cleaned, the cleaning time is long and the cleaning efficiency is low. Therefore, it is necessary to develop a device for scraping and cleaning the inner wall of the battery case before cleaning the outer shell to improve the cleaning efficiency of the outer shell. Summary of the Utility Model

[0004] Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is to provide an oil scraping device for the inner wall of the case with a compact structure, low manufacturing cost, high oil scraping efficiency and good use effect.

[0006] Technical Solutions for Solving the Problems

[0007] The utility model provides an oil scraping device for the inner wall of the case, which includes:

[0008] A base 12, serving as a support and installation carrier;

[0009] A material placing seat, installed on the base 12, capable of accommodating the case 5 to be scraped with oil on the inner wall to be inserted upside down and performing radial and axial limiting on it. An installation area is provided on the material placing seat;

[0010] A four-jaw cylinder 31, installed in the installation area. Claw bodies 32 are provided at four output ends of the four-jaw cylinder 31. An oil scraping assembly 33 is provided at the end of the claw body 32. The oil scraping assembly 33 can move with the claw body 32 to contact or disengage from the inner wall of the case, and when contacting the inner wall of the case, it can scrape the oil on the inner wall of the case as the case 5 rises.

[0011] Further, the oil scraping assembly 33 includes a first oil scraping assembly at the front and rear ends and a second oil scraping assembly on the left and right sides. The first oil scraping assembly and the second oil scraping assembly are located on different horizontal planes.

[0012] Further, the oil scraping assembly 33 is detachably mounted on the claw body 32.

[0013] Further, the oil scraping assembly 33 includes a strip-shaped bracket 331 detachably mounted at the end of the claw body 32. The length direction of the strip-shaped bracket is perpendicular to the insertion direction of the housing 5. A scraping strip 332 for contacting the inner wall of the housing 5 to scrape oil is provided on the strip-shaped bracket 331.

[0014] Further, the claw body 32 includes a first rod body 321 fixed to the output end of the four-claw cylinder. The end of the first rod body 321 is bent outward to form a second rod body 322. The oil scraping assembly 33 is disposed at the end of the second rod body 322.

[0015] Further, the plane where the scraping strip on the oil scraping assembly 33 is located is inclined to the insertion direction of the housing.

[0016] Further, the included angle between the plane where the scraping strip is located and the inner wall of the housing is 30° - 60°.

[0017] Further, the material placing seat includes two symmetrically arranged limiting blocks 22. The limiting blocks 22 are provided with a first limiting surface for contacting the inner wall of the housing to achieve radial limitation, and a second limiting surface 23a for contacting the end of the housing to achieve axial limitation. A gap is formed between the two limiting blocks 22 to form the installation area.

[0018] Further, a chamfer is provided between the top surface of the limiting block 22 and the first limiting surface to form an inclined guiding surface.

[0019] Further, an oil receiving tray 4 for receiving oil is provided at the lower end of the base or the material placing seat. The oil receiving tray is provided with an oil drain port.

[0020] Beneficial Effects

[0021] For the inner wall oil scraping device of the housing of the present utility model, a four-claw cylinder is provided to realize the synchronous movement of four oil scraping assemblies. Its structure is simple and compact, and it is convenient for daily maintenance and repair. The manufacturing, use and maintenance costs are low. At the same time, the installation space is small and the use effect is good. The oil scraping assemblies are arranged staggeredly, which can avoid interference during movement, improve the stability and reliability of oil scraping, and have a good oil scraping effect. The double-limiting block structure is adopted, which can achieve precise limitation of the housing, and has a small volume, providing an installation space for the four-claw cylinder, thereby improving the compactness of the overall structure. An oil receiving tray is provided to uniformly collect and process the scraped oil, improving the cleanliness of the equipment during use, reducing the use cost at the same time, and saving energy and protecting the environment. The inner wall oil scraping device of the housing of the present utility model has a compact structure, a small volume, low manufacturing and use costs, high oil scraping efficiency and good effect. Description of the Drawings

[0022] Figure 1 Schematic diagram of the structure of the oil scraping device on the inner wall of the housing of the present utility model;

[0023] Figure 2 Installation schematic diagram of the material placement seat of the oil scraping device on the inner wall of the housing of the present utility model;

[0024] Figure 3 Schematic diagram of the structure of the limit block of the oil scraping device on the inner wall of the housing of the present utility model;

[0025] Figure 4 Schematic diagram of the structure of the oil scraping assembly of the oil scraping device on the inner wall of the housing of the present utility model;

[0026] Figure 5 Schematic diagram of the structure of the oil receiving tray of the oil scraping device on the inner wall of the housing of the present utility model;

[0027] Figure 6 Schematic diagram of the insertion of the housing of the oil scraping device on the inner wall of the housing of the present utility model;

[0028] Figure 7 Expansion schematic diagram of the oil scraping assembly of the oil scraping device on the inner wall of the housing of the present utility model;

[0029] Figure 8 Schematic diagram of the oil scraping state of the oil scraping device on the inner wall of the housing of the present utility model;

[0030] Figure 9 Reset schematic diagram of the oil scraping assembly of the oil scraping device on the inner wall of the housing of the present utility model. Detailed implementation manners

[0031] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0032] Refer to Figures 1-9 , the present utility model provides an oil scraping device for the inner wall of a housing, which is used for scraping and cleaning the inner wall of the housing 5 of a battery to facilitate its subsequent cleaning operation. The cross-section of the housing of the battery is a rectangular structure. The oil scraping device mainly includes a base 12, a material placement seat, a four-jaw cylinder and an oil scraping assembly 33.

[0033] The base 12 serves as a support and installation carrier. The material placement seat and the four-jaw cylinder are both installed on the base 12. In this embodiment, the base 12 is a rectangular plate-like structure, which is horizontally arranged, and one or more support columns 11 are provided at its bottom. The support columns are used to connect with the housing forming device.

[0034] The material placing seat is installed on the base 12 and can accommodate the inverted insertion of the housing 5 to be oil-scraped on the inner wall. The movement of the housing 5 is realized by a material transfer manipulator (not shown in the figure). This material placing seat can perform radial and axial positioning on the housing 5, thereby achieving the precise placement of the housing 5. Its ultimate purpose is to realize the relative positional relationship between the oil-scraping assembly and the housing 5, facilitating the oil-scraping operation. An installation area is provided on the material placing seat for installing the four-jaw cylinder 31.

[0035] The four-jaw cylinder 31 is arranged in the installation area. It is cylindrical as a whole, and its outer diameter is smaller than the width of the material placing seat, that is, smaller than the inner cavity width of the housing. The axis of the four-jaw cylinder is parallel to the insertion direction of the housing 5. In this embodiment, the four-jaw cylinder is vertically arranged, that is, the axis is perpendicular to the horizontal plane. Four output ends are provided at the top of the four-jaw cylinder. The four output ends face forward, backward, left, and right, and can achieve horizontal sliding to move closer to each other or move away from each other. The moving directions of the four output ends are respectively parallel to the length direction and the width direction of the housing. Claw bodies 32 are provided at the four output ends of the four-jaw cylinder 31, and oil-scraping assemblies 33 are provided at the ends of the claw bodies 32. The oil-scraping assemblies 33 can contact or disengage from the inner wall of the housing with the movement of the claw bodies 32. When it contacts the inner wall of the housing, it can scrape the inner wall of the housing with the upward movement of the housing 5. That is, after the oil-scraping assembly contacts the inner wall of the housing, the material transfer manipulator is used to move the housing upward to realize the relative movement between the housing and the oil-scraping assembly, thereby realizing oil scraping.

[0036] In this application, the oil-scraping assembly 33 includes two first oil-scraping assemblies and two second oil-scraping assemblies. Among them, the two first oil-scraping assemblies are respectively arranged on the claw bodies at the front and rear ends, and the two second oil-scraping assemblies are respectively arranged on the claw bodies on the left and right sides. Through the action of the claw bodies, synchronous outward movement (expansion) or inward movement (reset) is realized. At the same time, the first oil-scraping assembly and the second oil-scraping assembly are located on different horizontal planes, and the one with a longer length is arranged at the upper end. In this embodiment, the first oil-scraping assembly is located at the upper end of the second oil-scraping assembly. Therefore, no interference will occur during the outward and inward movement processes; specifically, the claw body 32 includes a first rod body 321 fixed to the output end of the four-jaw cylinder. The length direction of the first rod body 321 is parallel to the axis of the four-jaw cylinder, that is, parallel to the insertion direction of the housing. The end of the first rod body 321 is bent outward (away from the cylinder axis) to form a second rod body 322. In this embodiment, the end of the first rod body 321 is bent outward obliquely to form the second rod body 322, and its bending angle is 30 degrees - 60 degrees, so that the end of the second rod body is close to the inner wall, reducing the width of the oil-scraping assembly. The oil-scraping assembly 33 is arranged at the end of the second rod body 322.

[0037] In this embodiment, the plane where the scraping strip on the oil scraping assembly 33 is inclined to the insertion direction of the housing, which can improve the fitting degree between the scraping strip and the inner wall of the housing and enhance the oil scraping effect. During installation, the scraping strip is parallel to the second rod body. Therefore, the included angle between the plane where the scraping strip is located and the inner wall of the housing is 30° - 60°. During the upward movement of the housing, an acute angle is formed between the scraping strip and the inner wall of the housing. This included angle can reduce the friction force during the upward movement of the housing. At the same time, it can improve the fitting degree between the scraping strip and the inner wall of the housing, enabling better removal of the oil on the inner wall of the housing, and the oil scraping and cleaning effect is good. In this application, the above-mentioned scraping strip is made of rubber. At the same time, according to requirements, a brush can also be used.

[0038] For the convenience of daily maintenance, the oil scraping assembly 33 is detachably installed on the claw body 32 and is fixed by bolts, which is convenient for disassembly and replacement, reducing the use and maintenance costs. Specifically, the oil scraping assembly 33 includes a strip-shaped bracket 331 detachably installed at the end of the claw body 32. The strip-shaped bracket 331 is of a strip-shaped structure and serves as the skeleton part. The length direction of the strip-shaped bracket is perpendicular to the insertion direction of the housing 5. The lengths of the strip-shaped brackets on the first oil scraping assembly and the second oil scraping assembly are respectively the same as or substantially the same as the length and width of the inner wall of the housing. A scraping strip 332 is provided on the strip-shaped bracket 331, which is used to contact the inner wall of the housing 5 to achieve the oil scraping operation.

[0039] The material placing seat includes two symmetrically arranged limit blocks 22. On the limit blocks 22, there are a first limit surface and a second limit surface. Among them, the first limit surface is used to contact the inner wall of the housing to achieve radial limit, and the second limit surface is used to contact the lower end of the housing to achieve axial limit. Through the first limit surface and the second limit surface, the accurate placement of the housing can be realized, and its function is to enable the oil scraping assembly to quickly and accurately insert into the housing to achieve the oil scraping operation. There is a gap (spacing) between the two limit blocks 22 to form an installation area, and the four-jaw cylinder is arranged between the two limit blocks 22; in order to facilitate the quick positioning of the housing, a chamfer is provided between the top surface of the limit block 22 and the first limit surface to form an inclined guide surface; specifically, the left end surface or the right end surface of the limit block 22 forms a first limit surface I 221, and the first limit surface I 221 can contact the left or right inner wall of the housing. The distance between the first limit surfaces I 221 of the two limit blocks 22 is the same as the left-right distance of the inner wall of the housing, so as to achieve the limit of the housing in the left-right direction; the front end and the rear end surface of the limit block 22 form a first limit surface II 222, and the first limit surface II 222 can contact the front and rear inner walls of the housing, that is, the distance between the two first limit surfaces II 222 is the same as the distance between the front and rear surfaces of the inner wall of the housing, so as to achieve the limit of the housing in the front-rear direction. There is a first inclined guide surface 221a between the top surface of the limit block 22 and the first limit surface I 221, and a second inclined guide surface 222a between the top surface of the limit block 22 and the first limit surface II 222, which is used to guide the housing to be quickly inserted upside down to improve the accuracy and efficiency of insertion; at the lower end of the limit block 22, in this embodiment, a support block 23 is respectively provided at the lower ends of the front and rear ends of the limit block. The top surface of the support block 23 forms a second limit surface 23a, which is used to contact the lower end of the housing to achieve the axial support limit of the housing.

[0040] In this application, an oil receiving tray 4 is provided at the lower end of the base or the material placing seat for receiving oil. In this embodiment, it is arranged at the lower end of the base, and its length and width dimensions are larger than those of the base, so that the scraped oil can drip onto the oil receiving tray. An oil drain port is provided on the oil receiving tray, and an interface 41 is provided on the oil drain port for connecting an oil drain pipe.

[0041] The working principle of the oil scraping device for the inner wall of the housing of the present utility model is briefly described as follows:

[0042] Refer to Figure 6 , the housing is inserted upside down into the material placing seat (inside the limit block) by the material transfer manipulator. The first limit surface and the second limit surface on the material placing seat achieve the radial limit and axial limit of the housing, so that the oil scraping assembly can accurately enter the housing.

[0043] Refer to Figure 7, after the housing is completely inserted into the material placing seat, the four-jaw cylinder drives the four output ends to move outward synchronously, so that the first oil scraping assembly contacts the front and rear inner walls of the housing, and the second oil scraping assembly contacts the left and right inner walls of the housing. During this process, the insertion depth of the first oil scraping assembly and the second oil scraping assembly is more than 2 / 3 of the housing depth;

[0044] Refer to Figure 8 , the material transfer manipulator drives the housing to move upward, that is, the moving direction of the housing is parallel to the axis of the four-jaw cylinder. Since the oil scraping assembly (scraping strip) contacts the inner wall of the housing during this process, therefore, during the upward movement of the housing, relative movement occurs between the two. Relative to the housing, the scraping strip has a downward relative movement, thereby realizing the oil scraping operation;

[0045] Refer to Figure 9 , when the housing is separated from the scraping strip, the four-jaw cylinder moves inward to reset the oil scraping assembly, thereby enabling the downward-moving housing to be inserted smoothly.

[0046] The oil scraping device for the inner wall of the housing of the present utility model is provided with a four-jaw cylinder to realize the synchronous movement of the four oil scraping assemblies. Its structure is simple and compact, and it is convenient for daily maintenance and repair. The manufacturing, use and maintenance costs are low. At the same time, the installation space is small and the use effect is good; the oil scraping assemblies are arranged staggeredly, which can avoid interference during the movement process, improve the stability and reliability of oil scraping, and have a good oil scraping effect; the double limit block structure is adopted, which can realize the precise limit of the housing, and has a small volume, providing an installation space for the four-jaw cylinder, thereby improving the compactness of the overall structure; an oil receiving tray is provided to uniformly collect and process the scraped oil, improving the cleanliness of the equipment during use, reducing the use cost at the same time, and saving energy and protecting the environment; the oil scraping device for the inner wall of the housing of the present utility model has a compact structure, a small volume, low manufacturing and use costs, high oil scraping efficiency and good effect.

[0047] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A shell inner wall oil scraping device, characterized in that: include: Base, serving as a support and mounting carrier; A material placement seat is installed on the base, capable of accommodating the inverted insertion of the shell body with oil scraped from the inner wall and limiting the radial and axial positions of the shell body, and a mounting area is provided on the material placement seat; A four-claw cylinder is installed in the installation area. The four output ends of the four-claw cylinder are provided with claw bodies. The ends of the claw bodies are provided with oil scraping assemblies. The oil scraping assemblies can contact or disengage with the inner wall of the shell as the claw bodies move, and when contacting the inner wall of the shell, they can scrape the oil from the inner wall of the shell as the shell rises.

2. The housing inner wall oil scraping device according to claim 1, characterized in that: The oil scraping assembly comprises a first oil scraping assembly located at the front and rear ends and a second oil scraping assembly located at the left and right sides, and the first oil scraping assembly and the second oil scraping assembly are located at different horizontal planes.

3. The housing inner wall oil scraping device according to claim 1, characterized in that: The oil scraping assembly is detachably mounted on the claw body.

4. The housing inner wall oil scraping device according to claim 1, characterized in that: The oil scraping assembly comprises a strip bracket detachably mounted on the end of the claw body, the length direction of the strip bracket is perpendicular to the insertion direction of the shell, and the strip bracket is provided with a scraping strip for contacting the inner wall of the shell to scrape the oil.

5. The housing inner wall oil scraping device according to claim 1, characterized in that: The claw body includes a first rod body fixed at the output end of the four-claw cylinder, the end of the first rod body is bent outward to form a second rod body, and the oil scraping assembly is arranged at the end of the second rod body.

6. The housing inner wall oil scraping device according to claim 1, characterized in that: The plane where the scraper strip on the oil scraper assembly is located is inclined to the insertion direction of the shell.

7. The housing inner wall oil scraping device according to claim 6, characterized in that: The angle between the plane where the scraper strip is located and the inner wall of the shell is 30°-60°.

8. The housing inner wall oil scraping device according to claim 1, characterized in that: The material placing seat comprises two symmetrically arranged limit blocks, each of which is provided with a first limit surface for contacting the inner wall of the shell and realizing radial limit, and a second limit surface for contacting the end of the shell and realizing axial limit, and a gap is provided between the two limit blocks to form the installation area.

9. The housing inner wall oil scraping device according to claim 8, characterized in that: A chamfer is provided between the top surface of the limiting block and the first limiting surface to form an inclined guide surface.

10. The housing inner wall oil scraping device according to claim 1, characterized in that: An oil receiving pan for receiving oil is provided at the lower end of the base or the material placing seat, and an oil drain port is provided on the oil receiving pan.

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