Battery liquid injection port wiping mechanism and wiping device

Abstract

The utility model provides a wiping mechanism and a wiping device for a battery liquid injection port, the wiping device comprises the wiping mechanism for the battery liquid injection port, the wiping mechanism for the battery liquid injection port comprises a motor, a lower cavity, a cavity nozzle, a brush head, a liquid inlet pipe and a negative pressure liquid pumping pipe; a lower cavity is formed in the motor, a cavity nozzle is arranged at the free end of the lower cavity, a brush head is rotationally connected to the cavity nozzle, the motor can drive the brush head to rotate, and a liquid inlet pipe and a negative pressure liquid pumping pipe are arranged on the lower cavity in a communicating mode. Through the arrangement of the motor, the lower cavity, the cavity nozzle, the brush head, the liquid inlet pipe and the negative pressure liquid pumping pipe, the amount of DMC can be controlled while wiping is conducted, and DMC residual liquid is collected after wiping is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium ion battery manufacturing technical field, concretely is a battery liquid injection port wiping mechanism and wiping device. BACKGROUND

[0002] Due to the energy of modern society is decreasing, the pollution brought by traditional energy is becoming more and more serious, lithium ion battery as a new energy storage power supply, has energy high, working voltage high, small, storage life long etc. Advantage;With contemporary people's requirement on energy and environment is higher and higher, and the damage of power lithium battery in the production process to human body and environment is smaller, compared with traditional lead-acid battery has great superiority, with the aggravation of environmental problems caused by automobile exhaust, power lithium battery can also replace fuel as a new energy for automobile use.

[0003] Lithium ion battery in the flow production operation, in the last process of secondary injection, the injection port is wiped, to ensure that there is no electrolyte crystallization near the injection port, to avoid the sealing welding of the subsequent sealing welding to produce the point of explosion;Now generally through the brush head or non-woven fabric block rotation and reciprocating horizontal motion to complete the wiping action, but no matter which design, because the battery passes through the formation negative pressure and electrolyte is sucked out, resulting in the battery into the secondary injection machine, there is electrolyte crystallization near the injection port, therefore, the brush head or non-woven fabric block in wiping action before all need to be soaked with DMC, after using DMC auxiliary wiping of secondary injection wiping station, DMC residual liquid cannot be collected, pollute the upper surface of the battery even the side, after crystallization, produce adverse effects on the subsequent rubber coating process. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model lies in how to control the amount of DMC while wiping and realize the collection of DMC residual liquid after wiping.

[0005] The utility model realizes the above technical problems through the following technical scheme:

[0006] A battery liquid injection port wiping mechanism, including motor (11), lower cavity (13), cavity nozzle (15), brush head (16), liquid inlet pipe (17), negative pressure liquid suction pipe (18);Motor (11) is provided with lower cavity (13), and the free end of lower cavity (13) is provided with cavity nozzle (15), and the cavity nozzle (15) is rotatably connected with brush head (16), and the motor (11) can drive the brush head (16) to rotate, and the lower cavity (13) is provided with liquid inlet pipe (17) and negative pressure liquid suction pipe (18) in communication.

[0007] Beneficial effects: through the setting of the motor, the lower cavity, the cavity nozzle, the brush head, the liquid inlet pipe and the negative pressure liquid suction pipe, when the brush head contacts the liquid injection port on the surface of the battery, the DMC enters the lower cavity from the liquid inlet pipe, infiltrates the brush head, the amount of DMC for infiltrating the brush can be controlled through negative pressure, the motor drives the brush head to rotate to wipe the liquid injection port, after wiping, the DMC is extracted through negative pressure from the negative pressure liquid suction pipe, the collection of residual DMC is completed, the amount of DMC can be controlled during wiping and the collection of residual DMC can be realized after wiping.

[0008] Further, the installation plate (12) is further provided with the motor (11) fixed on the top wall of the installation plate (12), and the lower cavity (13) is fixed on the bottom wall of the installation plate (12), and the output end of the motor (11) penetrates through the installation plate (12) and extends into the lower cavity (13).

[0009] Further, the free end of the liquid inlet pipe (17) penetrates through the installation plate (12) and is fixed.

[0010] Further, the output end of the motor (11) is fixed with the brush head (16) through the shaft coupling (14).

[0011] The utility model discloses a kind of wiping devices comprising the battery liquid injection port wiping mechanism described in any of the above technical solutions, further comprising line body (2), stand (5), backboard (6), lifting cylinder (7), mounting bracket (8), both sides of line body (2) conveying direction are fixed with stand (5), stand (5) is close to the output end setting of line body (2), the top of two stands (5) is fixed with backboard (6), backboard (6) middle part is fixed with lifting cylinder (7), lifting cylinder (7) output end is towards line body (2) setting and fixed with mounting bracket (8), the bottom wall of mounting bracket (8) is fixed with a plurality of battery liquid injection port wiping mechanisms along X axis interval.

[0012] Beneficial effects: through the setting of line body, stand, backboard, lifting cylinder, mounting bracket, line body can be conveyed to the battery below battery liquid injection port wiping mechanism, lifting cylinder can drive battery liquid injection port wiping mechanism to move downwards, so that brush head contacts the liquid injection port on the surface of battery.

[0013] Further, mounting bracket (8) and backboard (6) are slidably connected through guide rail sliding block.

[0014] Beneficial effects: through the setting of guide rail sliding block sliding connection, the stability of battery liquid injection port wiping mechanism movement is guaranteed.

[0015] Further, the bottom wall of mounting bracket (8) is fixed with eight battery liquid injection port wiping mechanisms along X axis interval.

[0016] Beneficial effect: through the setting of the multiple battery liquid injection port wiping mechanism, multiple batteries can be wiped at one time, and the wiping efficiency is improved.

[0017] Further, a battery jig (9) is arranged in the conveying direction of the wire body (2), a plurality of batteries are arranged on the battery jig (9) along the X direction, and a jacking mechanism (10) is fixed to the bottom of the battery jig (9) and electrically connected with the controller.

[0018] Beneficial effect: through the setting of the controller and the jacking mechanism, the controller can control the jacking mechanism to lift the battery jig close to the battery liquid injection port wiping mechanism.

[0019] Further, an inductor (3) is fixed to one side of the conveying direction of the wire body (2), and a blocking air cylinder (4) is fixed to both sides of the conveying direction of the wire body (2), and the inductor (3) and the blocking air cylinder (4) are electrically connected with the controller.

[0020] Beneficial effect: through the setting of the inductor, the blocking air cylinder and the controller, the inductor senses the battery and transmits to the controller, and the controller controls the blocking air cylinder to stop the conveying of the battery jig.

[0021] Further, the lifting air cylinder (7) is electrically connected with the controller. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the wiping device (without battery liquid injection port wiping mechanism) of the utility model embodiment one;

[0023] Figure 2 It is a perspective view of the battery liquid injection port wiping mechanism in the wiping device of the utility model embodiment one;

[0024] Figure 3 It is an explosion view of the battery liquid injection port wiping mechanism in the wiping device of the utility model embodiment one. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment one

[0027] As Figure 1 , Figure 2As shown, this embodiment provides a wiping device, including a battery filling port wiping mechanism 1, a line 2, a sensor 3, a blocking cylinder 4, a column 5, a back plate 6, a lifting cylinder 7, and a mounting bracket 8.

[0028] like Figure 1 , Figure 2 As shown, a battery fixture 9 is installed on the conveying direction (Y direction) of line 2. Multiple batteries (not shown) are arranged on the battery fixture 9 along the X direction. A lifting mechanism 10 is fixed to the bottom of the battery fixture 9. Blocking cylinders 4 are fixed on both sides of line 2 in the conveying direction. The blocking cylinders 4 can prevent the battery fixture 9 from being conveyed. A sensor 3 is fixed on one side of line 2 in the conveying direction. The sensor 3 can sense when the battery is being conveyed to the controller (not shown). The controller controls the blocking cylinders 4 to stop the battery fixture 9 from being conveyed, and simultaneously controls the lifting mechanism 10 to lift the battery fixture 9. Both sides of the conveying direction of body 2 are fixed with columns 5. The columns 5 are set near the output end of body 2. The top of the two columns 5 is fixed with a back plate 6. The middle of the back plate 6 is fixed with a lifting cylinder 7. The lifting cylinder 7 is electrically connected to the controller (not shown). The output end of the lifting cylinder 7 is set towards body 2 and is fixed with a mounting bracket 8. The mounting bracket 8 and the back plate 6 are slidably connected by a guide rail slider. Multiple battery filling port wiping mechanisms 1 are fixed at intervals along the X-axis on the bottom wall of the mounting bracket 8. In this embodiment, eight battery filling port wiping mechanisms 1 are fixed at intervals along the X-axis on the bottom wall of the mounting bracket 8.

[0029] like Figure 2 , Figure 3 As shown, the battery filling port wiping mechanism 1 includes a motor 11, a mounting plate 12, a lower cavity 13, a coupling 14, a nozzle 15, a brush head 16, an inlet pipe 17, and a negative pressure suction pipe 18. The mounting plate 12 is fixed to the bottom wall of the mounting frame 8 by screws and nuts. The motor 11 is fixed to the top wall of the mounting plate 12, and the lower cavity 13 is fixed to the bottom wall of the mounting plate 12. The output end of the motor 11 passes through the mounting plate 12 and extends into the lower cavity 13. The nozzle 15 is fixed to the bottom end of the lower cavity 13, and the brush head 16 is rotatably connected to the bottom end of the nozzle 15. The output end of the motor 11 is fixed to the brush head 16 through the coupling 14, and the motor 11 can drive the brush head 16 to rotate through the coupling 14. The inlet pipe 17 is fixedly connected to the lower cavity 13, and the free end of the inlet pipe 17 passes through the mounting plate 12 and is fixedly connected to the lower cavity 13. The negative pressure suction pipe 18 is fixedly connected to the lower cavity 13.

[0030] In use, the battery fixture 9 carries the battery along the conveying direction of the line body 2, the inductor 3 senses the battery and transmits to the controller, the controller controls the blocking cylinder 4 to stop the conveying of the battery fixture 9, at the same time, the controller controls the jacking mechanism 10 to jack up the battery fixture 9, at the same time, the controller controls the lifting cylinder 7 to move the mounting frame 8 vertically downward, so that the brush head 16 contacts the liquid injection port on the surface of the battery; after the brush head 16 contacts the liquid injection port on the surface of the battery, the DMC enters the lower cavity 13 from the liquid inlet pipe 17, and the brush head 16 is soaked; the amount of DMC for soaking the brush can be controlled by negative pressure; the motor 11 drives the brush head 16 to rotate through the coupling 14, and the liquid injection port is wiped; after the wiping is completed, the DMC is extracted through the negative pressure liquid extraction pipe 18 by negative pressure, and the collection of residual liquid of the DMC is completed; the controller controls the lifting cylinder 7 to drive the mounting frame 8 to move vertically upward to the original position.

[0031] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery filling port wiping mechanism, characterized in that, Includes a motor (11), a lower cavity (13), a nozzle (15), a brush head (16), an inlet pipe (17), and a negative pressure suction pipe (18); The motor (11) is provided with a lower cavity (13), and a nozzle (15) is provided at the free end of the lower cavity (13). A brush head (16) is rotatably connected to the nozzle (15). The motor (11) can drive the brush head (16) to rotate. An inlet pipe (17) and a negative pressure suction pipe (18) are connected to the lower cavity (13).

2. The battery filling port wiping mechanism according to claim 1, characterized in that: It also includes a mounting plate (12), on the top wall of the mounting plate (12) a motor (11) is fixed, and on the bottom wall of the mounting plate (12) a lower cavity (13) is fixed. The output end of the motor (11) passes through the mounting plate (12) and extends into the lower cavity (13).

3. The battery filling port wiping mechanism according to claim 2, characterized in that: The free end of the inlet pipe (17) is fixed through the mounting plate (12).

4. The battery filling port wiping mechanism according to claim 1, characterized in that: The output end of the motor (11) is fixed to the brush head (16) via a coupling (14).

5. A wiping device, characterized in that: The battery filling port wiping mechanism according to any one of claims 1-4 also includes a line body (2), a column (5), a back plate (6), a lifting cylinder (7), and a mounting frame (8). Columns (5) are fixed on both sides of the conveying direction of the line body (2). The columns (5) are set near the output end of the line body (2). The top of the two columns (5) is fixed with a back plate (6). The middle of the back plate (6) is fixed with a lifting cylinder (7). The output end of the lifting cylinder (7) is set towards the line body (2) and fixed with a mounting frame (8). Multiple battery filling port wiping mechanisms are fixed at intervals along the X-axis on the bottom wall of the mounting frame (8).

6. The wiping device according to claim 5, characterized in that: The mounting bracket (8) and the back plate (6) are slidably connected by a guide rail slider.

7. The wiping device according to claim 5, characterized in that: Eight battery filling port wiping mechanisms are fixed at intervals along the X-axis on the bottom wall of the mounting bracket (8).

8. The wiping device according to claim 5, characterized in that: A battery fixture (9) is provided in the conveying direction of the line (2). Multiple batteries are provided on the battery fixture (9) along the X direction. A lifting mechanism (10) is fixed at the bottom of the battery fixture (9). The lifting mechanism (10) is electrically connected to the controller.

9. The wiping device according to claim 5, characterized in that: A sensor (3) is fixed on one side of the conveying direction of the line (2), and a blocking cylinder (4) is fixed on both sides of the conveying direction of the line (2). The sensor (3), the blocking cylinder (4) and the controller are electrically connected.

10. The wiping device according to claim 5, characterized in that: The lifting cylinder (7) is electrically connected to the controller.

Images