Coating device for lithium battery processing

Abstract

The utility model provides a coating device for processing a lithium battery, which comprises a coating box, a coating component, a coating component and a coating component, the drying assembly is mounted on the right side of the coating box; the transmission assembly is mounted on the inner wall of the coating box through two groups of bearings; the scraping plate assembly is arranged in the coating box and comprises two sliding holes formed in the left side face of the coating box, a servo motor installed on the left side face of the coating box and a supporting plate installed on the inner wall of the coating box, and a scraping plate structure is fixedly installed at the output end of the servo motor; according to the coating device for processing the lithium battery, provided by the utility model, the transmission assembly is arranged, so that an electrode plate can enter the device, the electrode plate can be coated by matching with the coating assembly and the material storage assembly, and raw materials can be scraped by utilizing the scraper assembly after the electrode plate is coated; and therefore, the raw materials can be uniformly smeared on the electrode plates, and the qualification rate of the electrode plates is increased.

Description

Technical Field

[0001] The utility model relates to the field of lithium batteries, in particular to a coating device for lithium battery processing. Background Art

[0002] A lithium battery is a battery using a lithium metal or lithium alloy as an anode material and a non-aqueous electrolyte solution. The lithium battery includes a cover plate structure, and the cover plate structure includes a positive electrode column, a conductive sheet, a top cover sheet and a plastic cover plate. The conductive sheet is connected to the positive electrode column, the positive electrode column is insulated and assembled with the top cover sheet, and the plastic cover plate is connected to the top cover sheet. During the processing of the lithium battery, a coating device is required to apply raw materials onto the conductive sheet.

[0003] After searching, a coating device for lithium battery processing with the patent publication number CN220611031U is found. It includes a workbench body. A first working component is arranged on the left side of the top of the workbench body, and a first fixing box is connected to the bottom of the first working component in a matching manner. A first hydraulic cylinder is arranged inside the first fixing box, and a first hydraulic rod is connected to the output end of the first hydraulic cylinder in a matching manner. The bottom end of the first hydraulic rod is connected to a first fixing plate in a matching manner, and a coating device is connected to the bottom end of the first fixing plate. In this coating device for lithium battery processing, a first working component and a first hydraulic rod are provided. Under the action of the first working component, the coating device is driven to slide left and right, so as to perform coating work on different lithium batteries, improving the practicability of the device. Under the action of the first hydraulic rod, the coating device is driven to stretch up and down, so that coating work can be performed on lithium batteries of different sizes, improving the application range of the device.

[0004] Although the above patent can dry the raw materials after coating the lithium battery, there are still some deficiencies in actual use. For example, it is not convenient to evenly apply the raw materials on the conductive sheet during use, resulting in blanks on the conductive sheet during the coating process of the conductive sheet, and the phenomenon of unqualified conductive sheets occurs. Therefore, a coating device for lithium battery processing is proposed. Content of the Utility Model

[0005] The utility model provides a coating device for lithium battery processing to solve the technical problems existing in the above background art.

[0006] The purpose and efficacy of the coating device for lithium battery processing of the present utility model are achieved by the following specific technical means: The coating device for lithium battery processing includes a coating box, which includes: a coating assembly installed on the inner wall of the coating box; a drying assembly installed on the right side of the coating box; a transmission assembly installed on the inner wall of the coating box through two bearings; a scraper assembly arranged inside the coating box, including two sliding holes opened on the left side of the coating box, a servo motor installed on the left side of the coating box, and a support plate installed on the inner wall of the coating box. The output end of the servo motor is fixedly installed with a scraper structure; a material storage assembly arranged inside the coating box.

[0007] Preferably, a glass plate is fixedly inlaid on the front surface of the coating box, and two through openings are opened on the right side of the coating box.

[0008] Preferably, the coating assembly includes a driving motor installed on the front surface of the coating box and a coating roller arranged on the inner wall of the coating box. The front end and the rear end of the coating roller are rotationally connected to the inner wall of the coating box through two bearings, and the front end of the coating roller is fixedly connected to the output end of the driving motor.

[0009] Preferably, the drying assembly includes a square pipe installed on the right side of the coating box. A grid is fixedly connected to the inner wall of the square pipe. A rotating roller is rotationally connected to the inner wall of the square pipe through two bearings, and two heating plates are fixedly connected to the inner bottom wall of the square pipe.

[0010] Preferably, the scraper structure of the scraper assembly includes a threaded rod installed on the output end of the servo motor. A threaded pipe is threadedly connected to the outer surface of the threaded rod. The right end of the threaded pipe is fixedly connected to a scraping plate. Two guide rods are slidably connected to the inner wall of each sliding hole. The right end of each guide rod is fixedly connected to the left side surface of the scraping plate. A material leveling scraper is fixedly connected to the upper surface of the support plate.

[0011] Preferably, two L-shaped plates are fixedly connected to the upper surface of the support plate, and the two L-shaped plates are respectively located in front of and behind the material leveling scraper.

[0012] Preferably, limiting blocks are arranged in front of and behind the servo motor, and the two limiting blocks are respectively fixedly connected to the left ends of the two guide rods.

[0013] Preferably, the material storage assembly includes a material storage box arranged at the bottom of the coating box and a feed pipe installed on the back surface of the coating box. The bottom end of the feed pipe extends into the interior of the material storage box.

[0014] Beneficial effects:

[0015] 1. By providing a transmission component, the electrode sheet can enter the interior of the device. In cooperation with the coating component and the material storage component, the electrode sheet can be coated. The scraping component can scrape the raw material after coating the electrode sheet, so that the raw material can be evenly applied on the electrode sheet, thereby increasing the qualified rate of the electrode sheet.

[0016] 2. By providing a material leveling scraper, the raw material can be scraped after coating the electrode sheet. And as the electrode sheet moves, through the cooperation of a servo motor, a threaded rod, and a threaded tube, the scraping plate can move left and right, come into contact with the electrode sheet, and be able to move the scraping plate. The scraping plate contacts the raw material and scrapes the raw material a second time, making the raw material more evenly applied on the electrode sheet. At the same time, the excess raw material is scraped off, and the thickness of the raw material can be controlled, improving the qualified rate of the electrode sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0018] Figure 2 It is a schematic three-dimensional structure diagram of the front cross-section of the present utility model.

[0019] Figure 3 It is a schematic three-dimensional structure diagram of the drying component of the present utility model.

[0020] Figure 4 It is a schematic three-dimensional structure diagram of the threaded rod of the present utility model.

[0021] Figure 5 It is a schematic three-dimensional structure diagram of the support plate of the present utility model.

[0022] Figures 1-5 In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0023] 1. Coating box; 101. Glass plate; 102. Through hole; 2. Coating component; 201. Driving motor; 202. Coating roller; 3. Drying component; 301. Square tube; 302. Grid; 303. Rotating roller; 304. Heating plate; 4. Transmission component; 5. Scraping component; 501. Slide hole; 502. Servo motor; 503. Support plate; 504. Threaded rod; 505. Threaded tube; 506. Scraping plate; 507. Guide rod; 508. Limit block; 509. L-shaped plate; 510. Material leveling scraper; 6. Material storage component; 601. Material storage box; 602. Feed pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0025] First Embodiment

[0026] As shown in the attached Figure 1 to the attached Figure 5 figures: A coating device for lithium battery processing includes a coating box 1, which includes: a coating assembly 2 installed on the inner wall of the coating box 1; a drying assembly 3 installed on the right side of the coating box 1; a transmission assembly 4 installed on the inner wall of the coating box 1 through two sets of bearings; the transmission assembly 4 is composed of two transmission rods, a scraper assembly 5 arranged inside the coating box 1, including two sliding holes 501 opened on the left side of the coating box 1, a servo motor 502 installed on the left side of the coating box 1, and a support plate 503 installed on the inner wall of the coating box 1. The output end of the servo motor 502 is fixedly installed with a scraper structure; a material storage assembly 6 arranged inside the coating box 1.

[0027] As shown in the attached Figure 1 figures, a glass plate 101 is fixedly inlaid on the front surface of the coating box 1, and two through openings 102 are opened on the right side of the coating box 1. Through the glass plate 101, the electrode sheet can be observed, and through the through openings 102, the electrode sheet can enter and exit the device.

[0028] As shown in the attached Figure 1 , the attached Figure 2 , the attached Figure 4 and the attached Figure 5 figures; the scraper structure of the scraper assembly 5 includes a threaded rod 504 installed at the output end of the servo motor 502. A threaded tube 505 is threadedly connected to the outer surface of the threaded rod 504. The right end of the threaded tube 505 is fixedly connected to a scraping plate 506. Two guide rods 507 are slidably connected to the inner wall of each sliding hole 501. The right end of each guide rod 507 is fixedly connected to the left side surface of the scraping plate 506. A material leveling scraper 510 is fixedly connected to the upper surface of the support plate 503. Through the threaded connection between the threaded tube 505 and the threaded rod 504, the scraping plate 506 can be moved left and right, while scraping the raw material flat, the raw material is evenly coated on the electrode sheet.

[0029] As shown in the attached Figure 5 figures, two L-shaped plates 509 are fixedly connected to the upper surface of the support plate 503. The two L-shaped plates 509 are respectively located in front of and behind the material leveling scraper 510. The raw material can be blocked by the L-shaped plates 509 so that the raw material can fall downward into the interior of the storage box 601.

[0030] As shown in the appendix Figure 4 As shown, limit blocks 508 are provided in front of and behind the servo motor 502. The two limit blocks 508 are fixedly connected to the left ends of the two guide rods 507 respectively. The guide rods 507 can be limited by the limit blocks 508 to prevent the guide rods 507 from sliding out of the sliding holes 501.

[0031] Second Embodiment

[0032] As shown in the appendix Figure 1 and the appendix Figure 2 As shown, the coating assembly 2 includes a driving motor 201 installed on the front of the coating box 1 and a coating roller 202 provided on the inner wall of the coating box 1. The front end and the rear end of the coating roller 202 are rotatably connected to the inner wall of the coating box 1 through two bearings. The front end of the coating roller 202 is fixedly connected to the output end of the driving motor 201. The driving motor 201 provides power for the coating roller 202 to enable the coating roller 202 to apply the raw material on the electrode sheet.

[0033] Third Embodiment

[0034] As shown in the appendix Figure 1 to the appendix Figure 3 As shown, the drying assembly 3 includes a square pipe 301 installed on the right side of the coating box 1. A grid 302 is fixedly connected to the inner wall of the square pipe 301. A roller 303 is rotatably connected to the inner wall of the square pipe 301 through two bearings. Two heating plates 304 are fixedly connected to the inner bottom wall of the square pipe 301. The electrode sheet passing through can be heated by the heating plates 304 to enable the raw material to be quickly dried.

[0035] Fourth Embodiment

[0036] As shown in the appendix Figure 1 As shown, the material storage assembly 6 includes a material storage box 601 provided at the bottom of the coating box 1 and a feed pipe 602 installed on the back of the coating box 1. The bottom end of the feed pipe 602 extends into the interior of the material storage box 601. The raw material can be stored by using the material storage box 601, and the raw material can be added through the feed pipe 602 to facilitate timely replenishment of the raw material.

[0037] Working principle: When in use, start the servo motor 502 to control the scraping plate 506 to move to the designated position through the threaded rod 504 and the threaded tube 505. The electrode sheet enters the device through the transmission component 4. Then, start the driving motor 201 to rotate the coating roller 202 to perform a coating operation on the electrode sheet. When the electrode sheet moves to the material leveling scraper 510, the material leveling scraper 510 evenly applies the raw material on the electrode sheet. And as the electrode sheet moves, the scraping plate 506 can contact the raw material on the electrode sheet, and the scraping plate 506 is used to reapply the raw material to ensure that the raw material on the electrode sheet is evenly applied and the thickness of the raw material can be controlled, so that the excess raw material falls, and the drying component 3 dries the raw material of the electrode sheet when the electrode sheet is discharged.

Claims

1. A coating device for lithium battery processing, comprising a coating box (1), characterized in that: include: A coating assembly (2) is installed on the inner wall of the coating box (1); A drying assembly (3) is installed on the right side of the coating box (1); A transmission assembly (4) is mounted on the inner wall of the coating box (1) via two sets of bearings; A scraper assembly (5) is arranged inside the coating box (1), comprising two sliding holes (501) opened on the left side of the coating box (1), a servo motor (502) installed on the left side of the coating box (1), and a support plate (503) installed on the inner wall of the coating box (1), wherein the output end of the servo motor (502) is fixedly mounted with a scraper structure; The material storage component (6) is arranged inside the coating box (1).

2. The coating device for lithium battery processing according to claim 1, characterized in that: A glass plate (101) is fixedly inlaid on the front of the coating box (1), and two openings (102) are provided on the right side of the coating box (1).

3. The coating device for lithium battery processing according to claim 1, characterized in that: The coating assembly (2) comprises a driving motor (201) mounted on the front of the coating box (1) and a coating roller (202) arranged on the inner wall of the coating box (1); the front end of the coating roller (202) and the rear end of the coating roller (202) are rotatably connected to the inner wall of the coating box (1) via two bearings; and the front end of the coating roller (202) is fixedly connected to the output end of the driving motor (201).

4. The coating device for lithium battery processing according to claim 1, characterized in that: The drying assembly (3) comprises a square tube (301) installed on the right side of the coating box (1); the inner wall of the square tube (301) is fixedly connected to a grid (302); the inner wall of the square tube (301) is rotatably connected to a roller (303) via two bearings; and the inner bottom wall of the square tube (301) is fixedly connected to two heating plates (304).

5. The coating device for lithium battery processing according to claim 1, characterized in that: The scraper structure of the scraper assembly (5) comprises a threaded rod (504) installed at the output end of the servo motor (502); the outer surface of the threaded rod (504) is threadedly connected to a threaded tube (505); the right end of the threaded tube (505) is fixedly connected to a scraper plate (506); the inner wall of each sliding hole (501) is slidably connected to two guide rods (507); the right end of each guide rod (507) is fixedly connected to the left side of the scraper plate (506); and the upper surface of the support plate (503) is fixedly connected to a material distribution scraper (510).

6. The coating device for lithium battery processing according to claim 5, characterized in that: Two L-shaped plates (509) are fixedly connected to the upper surface of the support plate (503), and the two L-shaped plates (509) are respectively located in front of the material-distributing scraper (510) and behind the material-distributing scraper (510).

7. The coating device for lithium battery processing according to claim 5, characterized in that: A limit block (508) is provided in front of the servo motor (502) and at the rear of the servo motor (502), and the two limit blocks (508) are respectively located at the left ends of the two guide rods (507) and fixedly connected.

8. The coating device for lithium battery processing according to claim 1, characterized in that: The material storage assembly (6) comprises a material storage box (601) arranged at the bottom of the coating box (1), and a feed pipe (602) installed on the back of the coating box (1), wherein the bottom end of the feed pipe (602) extends into the interior of the material storage box (601).

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