Constant-speed automatic coating device

Abstract

The utility model discloses a constant-speed automatic coating device which comprises a base, two transverse sliding rails, two transverse sliding blocks, a driving mechanism, a battery cell tray, a support and a coating die head, the two transverse sliding rails are installed on the base in parallel, the transverse sliding blocks are installed on the transverse sliding rails in a sliding mode, the battery cell tray is arranged on the two transverse sliding blocks, and the battery cell tray is arranged on the support. A battery cell to be coated is placed on the battery cell tray, the driving mechanism is installed on the base, the driving end of the driving mechanism is connected with the battery cell tray, the support is installed on the base, the coating die head is installed on the support and located above the battery cell tray, and a die nozzle of the coating die head faces downwards. And the driving mechanism drives the battery cell tray to transversely move at a constant speed, so that a die nozzle of the coating die head is used for coating a battery cell on the battery cell tray. According to the utility model, the coating surface density of the battery cell is consistent, and the coating quality is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating devices, in particular to a uniform speed automatic coating device. Background Art

[0002] In the production process of lithium batteries, the battery cells need to be coated with a coating device. The existing coating device includes a coating die head and a roller. The substrate is pulled and moved by an unwinding mechanism and a winding mechanism, and the coating die head coats the surface of the substrate at the roller. Although this coating device can meet the use needs to a certain extent, its disadvantage is that the substrate may have inconsistent tightness during movement, which makes the coating density of the coating die head on the surface of the substrate inconsistent, affecting the coating quality. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a uniform speed automatic coating device.

[0004] The technical solution of the utility model is as follows:

[0005] A uniform speed automatic coating device comprises a base, two transverse slide rails, two transverse sliders, a driving mechanism, a battery cell tray, a bracket and a coating die head, wherein the two transverse slide rails are parallelly mounted on the base, the transverse slider is slidably mounted on the transverse slide rails, the battery cell tray is arranged on the two transverse sliders, the battery cell tray is provided with battery cells to be coated, the driving mechanism is mounted on the base, and its driving end is connected to the battery cell tray, the bracket is mounted on the base, the coating die head is mounted on the bracket and is located above the battery cell tray, and its die mouth faces downward, and the driving mechanism drives the battery cell tray to move laterally at a uniform speed so that the die mouth of the coating die head coats the battery cells on the battery cell tray.

[0006] Preferably, the uniform speed automatic coating device also includes a cylinder, two vertical slide rails, a slide plate and a screw, the two vertical slide rails are vertically installed on both sides of the bracket, the two ends of the slide plate are slidably set on the two vertical slide rails, the coating die head is installed on the slide plate, the cylinder is installed at the bottom of the bracket, and its telescopic end is vertically downward and connected to the slide plate. A plurality of first limit blocks are vertically provided on the inner side of the bracket, the screw vertically passes through the plurality of first limit blocks and is threadedly connected to the first limit blocks, and its top is pressed against the bottom of the slide plate.

[0007] Preferably, the first limiting blocks are symmetrically distributed on two inner sides of the bracket.

[0008] Preferably, the driving mechanism includes a motor, a driving wheel, a driven wheel, a synchronous belt and a connecting block, the driving wheel and the driven wheel are installed at both ends of the base and are located below the battery cell tray, the synchronous belt is sleeved on the driving wheel and the driven wheel, the connecting block is fixed to the bottom of the battery cell tray and connected to the synchronous belt, the motor is installed on the base, and its output shaft is transmission connected to the driving wheel.

[0009] Preferably, a second limiting block is provided at the front end of the transverse slide rail.

[0010] Preferably, a sensor is provided at the rear end of the transverse slide rail, and the sensor and the drive mechanism are both electrically connected to an external controller.

[0011] Preferably, a foot cup is provided at the bottom of the base.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model fixes the coating die head on the bracket, utilizes the driving mechanism to drive the battery cell tray to move forward evenly, and the coating die head evenly coats the battery cells on the battery cell tray at a uniform speed, so that the coating surface density of the battery cells is consistent, and the coating quality is effectively improved; at the same time, the height of the cross slide is adjusted by a screw to adjust the gap between the die mouth of the coating die head and the battery cell, so that the overall coating effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the uniform speed automatic coating device of the utility model;

[0015] Figure 2 Another overall structural schematic diagram of the uniform speed automatic coating device of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the base of the uniform speed automatic coating device of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] In order to illustrate the technical solution of the present invention, specific embodiments are provided below for illustration.

[0019] Example 1

[0020] like Figures 1 to 3 As shown, the uniform speed automatic coating device of this embodiment includes a base 1, two transverse slide rails 2, two transverse sliders 3, a driving mechanism 4, a battery cell tray 5, a bracket 6 and a coating die head 7, the two transverse slide rails 2 are parallelly installed on the base 1, the transverse slider 3 is slidably installed on the transverse slide rail 2, the battery cell tray 5 is arranged on the two transverse sliders 3, the battery cell tray 5 is placed with the battery cells to be coated, the driving mechanism 4 is installed on the base 1, and its driving end is connected to the battery cell tray 5, the bracket 6 is installed on the base 1, the coating die head 7 is installed on the bracket 6 and is located above the battery cell tray 5, and its die mouth is downward, and the driving mechanism 4 drives the battery cell tray 5 to move horizontally at a uniform speed so that the die mouth of the coating die head 7 coats the battery cells on the battery cell tray 5. The uniform speed automatic coating device of this embodiment fixes the coating die head on the bracket, and uses the driving mechanism to drive the battery cell tray to move forward uniformly. The coating die head uniformly coats the battery cells on the battery cell tray at a uniform speed, so that the coating surface density of the battery cells is consistent, effectively improving the coating quality.

[0021] In this embodiment, the uniform speed automatic coating device further includes a cylinder 8, two vertical slide rails 9, a slide plate 10 and a screw 11. The two vertical slide rails 9 are vertically mounted on both sides of the bracket 6. The two ends of the slide plate 10 are slidably mounted on the two vertical slide rails 9. The coating die head 7 is mounted on the slide plate 10. The cylinder 8 is mounted on the bottom of the bracket 6. Its telescopic end is vertically downward and connected to the slide plate 10. A plurality of first limit blocks 12 are vertically arranged on the inner side of the bracket 6. The screw 11 vertically passes through a plurality of the first limit blocks 12 and is threadedly connected to the first limit blocks 12. The top of the screw 11 is pressed against the bottom of the slide plate 10. The cylinder 8 drives the slide plate 10 to rise and fall on the vertical slide rails 9, so that the coating die head 7 moves downward, which is convenient for adjusting the height of the coating die head 7. The height of the slide plate 10 is adjusted by rotating the screw 11, so as to adjust the gap between the die mouth of the coating die head 7 and the battery cell on the battery cell tray 5. The first limiting blocks 12 are symmetrically distributed on the two inner sides of the bracket 6 , so that the adjustment of the slide plate 10 by the screws 11 is more balanced.

[0022] In this embodiment, the driving mechanism 4 includes a motor 41, a driving wheel 42, a driven wheel 43, a synchronous belt 44 and a connecting block 45. The driving wheel 42 and the driven wheel 43 are installed at both ends of the base 1 and are located below the battery tray 5. The synchronous belt 44 is sleeved on the driving wheel 42 and the driven wheel 43. The connecting block 45 is fixed at the bottom of the battery tray 5 and connected to the synchronous belt 44. The motor 42 is installed on the base 2, and its output shaft is connected to the driving wheel 42. The motor 41 rotates, driving the driving wheel 42 to rotate, so that the synchronous belt 44 moves accordingly, driving the cross slider 3 to move at a uniform speed on the cross guide rail 2, and driving the battery tray 5 to rotate at a uniform speed. The front end of the cross guide rail 2 is provided with a second limit block 21 for limiting the movement of the cross slider 3. The rear end of the cross guide rail 2 is provided with a sensor 22. The sensor 22 and the driving mechanism 4 are both electrically connected to an external controller for detecting the position of the cross slider 3 and controlling the driving mechanism 4 to drive the cross slider to move. A foot cup 13 is provided at the bottom of the base 1 to make the base 1 more stable.

[0023] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A uniform speed automatic coating device, characterized in that: It includes a base, two transverse slide rails, two transverse sliders, a driving mechanism, a battery cell tray, a bracket and a coating die head, the two transverse slide rails are parallelly installed on the base, the transverse slider is slidably installed on the transverse slide rails, the battery cell tray is arranged on the two transverse sliders, the battery cell tray is placed with battery cells to be coated, the driving mechanism is installed on the base, and its driving end is connected to the battery cell tray, the bracket is installed on the base, the coating die head is installed on the bracket and is located above the battery cell tray, and its die mouth faces downward, and the driving mechanism drives the battery cell tray to move horizontally at a uniform speed so that the die mouth of the coating die head coats the battery cells on the battery cell tray.

2. The uniform speed automatic coating device according to claim 1, characterized in that: The uniform speed automatic coating device also includes a cylinder, two vertical slide rails, a slide plate and a screw. The two vertical slide rails are vertically installed on both sides of the bracket, and the two ends of the slide plate are slidably set on the two vertical slide rails. The coating die head is installed on the slide plate. The cylinder is installed at the bottom of the bracket, and its telescopic end is vertically downward and connected to the slide plate. A plurality of first limit blocks are vertically provided on the inner side of the bracket. The screw vertically passes through the plurality of first limit blocks and is threadedly connected to the first limit blocks, and its top is pressed against the bottom of the slide plate.

3. The uniform speed automatic coating device according to claim 2, characterized in that: The first limiting blocks are symmetrically distributed on two inner sides of the bracket.

4. The uniform speed automatic coating device according to any one of claims 1 to 3, characterized in that: The driving mechanism includes a motor, a driving wheel, a driven wheel, a synchronous belt and a connecting block. The driving wheel and the driven wheel are installed at both ends of the base and are located below the battery cell tray. The synchronous belt is sleeved on the driving wheel and the driven wheel. The connecting block is fixed to the bottom of the battery cell tray and connected to the synchronous belt. The motor is installed on the base, and its output shaft is transmission-connected to the driving wheel.

5. The uniform speed automatic coating device according to any one of claims 1 to 3, characterized in that: A second limiting block is provided at the front end of the transverse slide rail.

6. The uniform speed automatic coating device according to any one of claims 1 to 3, characterized in that: A sensor is provided at the rear end of the transverse slide rail, and both the sensor and the driving mechanism are electrically connected to an external controller.

7. The uniform speed automatic coating device according to any one of claims 1 to 3, characterized in that: A foot cup is provided at the bottom of the base.

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