Dust removal system for lithium battery production

Abstract

The utility model provides a dust removal system for lithium battery production, and relates to the field of lithium battery production equipment. The dust removal system for lithium battery production comprises a dust removal cover, a laser cleaning channel penetrating to the lower surface is formed in the upper surface of the dust removal cover, an air inlet and a dust suction opening leading to the laser cleaning channel are formed in the side face of the dust removal cover, a horizontally-moving shielding cover plate is arranged at an upper end opening of the laser cleaning channel, and a laser opening is formed in the shielding cover plate; the shielding cover plate is in transmission connection with a horizontal movement driving device, and the horizontal movement driving device is used for pushing the shielding cover plate to shield the laser cleaning channel or enabling the laser opening to be located in the middle of the laser cleaning channel. When the laser cleaning device needs to suck air, the driving device is horizontally moved to push the shielding cover plate to shield the laser cleaning channel, the dust suction port sucks air, the air inlet blows air, convection is formed, the dust suction force is increased, aluminum powder cleaned by laser is sucked away, the aluminum powder is not prone to remaining and accumulating, and the cleaning effect is good.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery production equipment, in particular to a lithium battery production dust removal system. Background Art

[0002] When laser cleaning the battery cell filling port, Figure 1 The laser is shot into the laser cleaning port a1 of the dust removal hood from above, and then the positive pressure air inlet a2 blows air, and the negative pressure air outlet a3 inhales air to suck out the aluminum powder cleaned by the internal laser. However, because the laser cleaning port a1 is open, when the negative pressure air outlet a3 inhales air, some air will also be inhaled through the laser cleaning port a1, affecting the cleaning effect, making it easy for aluminum powder to accumulate, affecting flash combustion and causing bulges behind the envelope. Currently, the dust removal hood needs to be manually cleaned twice per shift, affecting production efficiency and first-time quality rate. Utility Model Content

[0003] The utility model provides a lithium battery production dust removal system, which solves the problem that the dust removal effect of the existing battery core liquid injection port is poor during laser cleaning.

[0004] The technical solution of the utility model is achieved in this way:

[0005] A lithium battery production dust removal system comprises a dust hood, wherein the upper surface of the dust hood is provided with a laser cleaning channel penetrating to the lower surface, the side of the dust hood is provided with an air inlet and a dust suction port leading to the laser cleaning channel, the upper port of the laser cleaning channel is provided with a horizontally movable shielding cover, a laser port is provided on the shielding cover, the shielding cover is transmission-connected to a horizontally movable driving device, and the horizontally movable driving device is used to push the shielding cover to cover the laser cleaning channel or to locate the laser port in the middle of the laser cleaning channel.

[0006] Preferably, the horizontal movement drive device is a cylinder.

[0007] Preferably, it further comprises a cylinder mounting frame, the cylinder is fixed on the cylinder mounting frame, and the shielding cover plate is fixed on the push rod of the cylinder through a connecting piece.

[0008] Preferably, it also includes a limiting device for limiting the push-out distance of the cylinder.

[0009] Preferably, the cylinder mounting frame includes a first horizontal plate, a first vertical plate and a second horizontal plate which are vertically fixedly connected in sequence, the first horizontal plate is provided with at least one first waist-shaped adjustment through hole, the direction of the first waist-shaped adjustment through hole is perpendicular to the moving direction of the shielding cover plate, the cylinder is fixed to the second horizontal plate by a first fixing screw, and the second horizontal plate is provided with a plurality of first mounting holes through which the first fixing screws pass.

[0010] Preferably, the connecting member includes an L-shaped frame, a horizontal fixing plate and a connecting plate; the limit device includes a limit switch and a trigger block, and the limit switch is fixed on the side of the cylinder; the L-shaped frame includes a third horizontal plate and a second vertical plate that are vertically fixedly connected, the third horizontal plate is located above the cylinder, the second vertical plate is fixedly connected to the end of the push rod of the cylinder, and the trigger block is fixed on the side of the third horizontal plate and corresponds to the limit switch; the horizontal fixing plate is fixed to the upper surface of the third horizontal plate by a second fixing screw, and a second screw hole is opened on the side of the horizontal fixing plate; the connecting plate includes a vertical A step plate and a third vertical plate are fixedly connected, the third vertical plate is provided with at least two vertical second waist-shaped adjustment holes, and also includes a second adjustment screw, the second adjustment screw is connected to the second screw hole through the second waist-shaped adjustment hole, at least two third waist-shaped adjustment holes are provided on the end of the shielding cover away from the laser port, the direction of the third waist-shaped adjustment hole is the same as the horizontal movement direction of the shielding cover, the step plate is provided with a third screw hole corresponding to the third waist-shaped adjustment hole, and also includes a third adjustment screw, the third adjustment screw is connected to the third screw hole through the third waist-shaped adjustment hole.

[0011] Preferably, the air inlet and the dust suction port are arranged oppositely on two sides of the laser cleaning channel.

[0012] Preferably, the air inlet and the dust suction port are both inclined ports that form an angle with the horizontal plane.

[0013] Preferably, the laser port is circular.

[0014] Preferably, the diameter of the laser port is smaller than or equal to the diameter of the laser cleaning channel.

[0015] The beneficial effects of the utility model are as follows: when the utility model needs laser cleaning, the horizontally movable driving device pushes the shielding cover plate to make the laser port located in the middle of the laser cleaning channel, and the laser irradiates downward to clean the battery cell filling port below through the laser cleaning channel. After cleaning, the horizontally movable driving device pushes the shielding cover plate to cover the laser cleaning channel, and the dust suction port sucks air and the air inlet blows air to form convection, which increases the suction force of the dust suction and sucks away the aluminum powder cleaned by the laser. The aluminum powder is not easy to remain or accumulate, and the cleaning effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1It is a schematic diagram of the cross-sectional structure of an existing dust removal hood;

[0018] Figure 2 This is a schematic diagram of the use state of the utility model;

[0019] Figure 3 It is a cross-sectional structural schematic diagram of the dust removal cover in the utility model;

[0020] Figure 4 This is a connection diagram of the cylinder and the shielding cover in the utility model;

[0021] Figure 5 for Figure 4 Exploded diagram.

[0022] Figure numbers in the figure:

[0023] Dust removal cover 1, laser cleaning channel 11, air inlet 12, dust suction port 13;

[0024] Shielding cover 2, laser port 21, third waist-shaped adjustment through hole 22;

[0025] Cylinder 3;

[0026] Cylinder mounting frame 4, first horizontal plate 41, first vertical plate 42, second horizontal plate 43, first waist-shaped adjusting through hole 44;

[0027] Connecting member 5, L-shaped frame 51, horizontal fixing plate 52, connecting plate 53, third horizontal plate 511, second vertical plate 512, step plate 531, third vertical plate 532, second waist-shaped adjusting through hole 533, third screw hole 534;

[0028] Limit device 6, limit switch 61, trigger block 62. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 2-5A lithium battery production dust removal system includes a dust hood 1, the upper surface of the dust hood 1 is provided with a laser cleaning channel 11 that penetrates to the lower surface, the side of the dust hood 1 is provided with an air inlet 12 and a dust suction port 13 leading to the laser cleaning channel, the upper port of the laser cleaning channel 11 is provided with a horizontally movable shielding cover 2, a laser port 21 is provided on the shielding cover 2, the shielding cover 2 is transmission-connected to a horizontally movable driving device, and the horizontally movable driving device is used to push the shielding cover 2 to cover the laser cleaning channel 11 or make the laser port 21 located in the middle of the laser cleaning channel 11.

[0031] In some embodiments, the horizontal movement driving device is a cylinder 3.

[0032] In some embodiments, a cylinder mounting frame 4 is further included, the cylinder 3 is fixed on the cylinder mounting frame 4 , and the shielding cover plate 2 is fixed on the push rod of the cylinder 3 through a connecting member 5 .

[0033] In some embodiments, a limiting device 6 for limiting the pushing distance of the cylinder 3 is also included.

[0034] The cylinder mounting frame 4 includes a first horizontal plate 41, a first vertical plate 42 and a second horizontal plate 43 which are vertically fixedly connected in sequence. The first horizontal plate 41 is provided with at least one first waist-shaped adjustment through hole 44, and the direction of the first waist-shaped adjustment through hole 44 is perpendicular to the moving direction of the shielding cover 2. The cylinder 3 is fixed to the second horizontal plate 43 by a first fixing screw, and the second horizontal plate 43 is provided with a plurality of first mounting holes through which the first fixing screws pass.

[0035] The connecting member 5 includes an L-shaped frame 51, a horizontal fixing plate 52 and a connecting plate 53; the limit device 6 includes a limit switch 61 and a trigger block 62, the limit switch 61 is fixed on the side of the cylinder 3; the L-shaped frame 51 includes a third horizontal plate 511 and a second vertical plate 512 that are vertically fixedly connected, the third horizontal plate 511 is located above the cylinder 3, the second vertical plate 512 is fixedly connected to the end of the push rod of the cylinder 3, the trigger block 62 is fixed on the side of the third horizontal plate 511 and corresponds to the limit switch 61; the horizontal fixing plate 52 is fixed on the upper surface of the third horizontal plate 511 by a second fixing screw, and a second screw hole is opened on the side of the horizontal fixing plate 52; the connecting plate 53 It includes a step plate 531 and a third vertical plate 532 that are vertically fixedly connected, the third vertical plate 532 is provided with at least two vertical second waist-shaped adjustment holes 533, and also includes a second adjustment screw, the second adjustment screw is connected to the second screw hole through the second waist-shaped adjustment hole 533, at least two third waist-shaped adjustment holes 22 are provided on the end of the shielding cover 2 away from the laser port, the direction of the third waist-shaped adjustment hole 22 is the same as the horizontal movement direction of the shielding cover 2, the step plate 531 is provided with a third screw hole 534 corresponding to the third waist-shaped adjustment hole 22, and also includes a third adjustment screw, the third adjustment screw is connected to the third screw hole 534 through the third waist-shaped adjustment hole 22.

[0036] In some embodiments, the air inlet 12 and the dust suction port 13 are disposed oppositely on two sides of the laser cleaning channel 11. The air inlet 12 and the dust suction port 13 are both inclined ports that form an angle with the horizontal plane.

[0037] In some embodiments, the laser port 21 is circular and has a diameter smaller than or equal to a diameter of the laser cleaning channel 11 .

[0038] When the utility model needs laser cleaning, the horizontal moving drive device pushes the shielding cover plate 2 so that the laser port 21 is located in the middle of the laser cleaning channel 11. The laser is irradiated downward to clean the battery cell injection port below through the laser cleaning channel 11. After cleaning, the horizontal moving drive device pushes the shielding cover plate 2 to cover the laser cleaning channel 11, the dust suction port sucks air, and the air inlet blows air to form convection, the dust suction force becomes larger, and the aluminum powder cleaned by the laser is sucked away. The aluminum powder is not easy to remain or accumulate, and the cleaning effect is good.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery production dust removal system, characterized by: It includes a dust hood, the upper surface of the dust hood is provided with a laser cleaning channel that penetrates to the lower surface, the side of the dust hood is provided with an air inlet and a dust suction port leading to the laser cleaning channel, the upper port of the laser cleaning channel is provided with a horizontally movable shielding cover, the shielding cover is provided with a laser port, the shielding cover is transmission-connected to a horizontally movable driving device, and the horizontally movable driving device is used to push the shielding cover to cover the laser cleaning channel or make the laser port be located in the middle of the laser cleaning channel.

2. The lithium battery production dust removal system according to claim 1, characterized in that: The horizontal movement driving device is a cylinder.

3. The lithium battery production dust removal system according to claim 2, characterized in that: It also includes a cylinder mounting frame, the cylinder is fixed on the cylinder mounting frame, and the shielding cover plate is fixed on the push rod of the cylinder through a connecting piece.

4. The lithium battery production dust removal system according to claim 3, characterized in that: It also includes a limiting device for limiting the push-out distance of the cylinder.

5. The lithium battery production dust removal system according to claim 3, characterized in that: The cylinder mounting frame includes a first horizontal plate, a first vertical plate and a second horizontal plate which are vertically fixedly connected in sequence. The first horizontal plate is provided with at least one first waist-shaped adjustment through hole, and the direction of the first waist-shaped adjustment through hole is perpendicular to the moving direction of the shielding cover plate. The cylinder is fixed to the second horizontal plate by a first fixing screw, and the second horizontal plate is provided with a plurality of first mounting holes through which the first fixing screws pass.

6. The lithium battery production dust removal system according to claim 4, characterized in that: The connecting piece includes an L-shaped frame, a horizontal fixing plate and a connecting plate; The limit device comprises a limit switch and a trigger block, and the limit switch is fixed on the side of the cylinder; The L-shaped frame includes a third horizontal plate and a second vertical plate which are vertically fixedly connected, the third horizontal plate is located above the cylinder, the second vertical plate is fixedly connected to the end of the push rod of the cylinder, and the trigger block is fixed on the side of the third horizontal plate and corresponds to the limit switch; The horizontal fixing plate is fixed on the upper surface of the third horizontal plate by a second fixing screw, and a second screw hole is opened on the side surface of the horizontal fixing plate; The connecting plate includes a step plate and a third vertical plate that are vertically fixedly connected. The third vertical plate is provided with at least two vertical second waist-shaped adjustment through holes, and also includes a second adjustment screw, and the second adjustment screw is connected to the second screw hole through the second waist-shaped adjustment through hole. At least two third waist-shaped adjustment through holes are provided on the end of the shielding cover plate away from the laser port, and the direction of the third waist-shaped adjustment through hole is the same as the horizontal movement direction of the shielding cover plate. The step plate is provided with a third screw hole corresponding to the third waist-shaped adjustment through hole, and also includes a third adjustment screw, and the third adjustment screw is connected to the third screw hole through the third waist-shaped adjustment through hole.

7. The lithium battery production dust removal system according to any one of claims 1 to 6, characterized in that: The air inlet and the dust suction port are arranged oppositely on two sides of the laser cleaning channel.

8. The lithium battery production dust removal system according to claim 7, characterized in that: The air inlet and the dust suction port are both inclined ports that form an angle with the horizontal plane.

9. The lithium battery production dust removal system according to any one of claims 1 to 6, characterized in that: The laser port is circular.

10. The lithium battery production dust removal system according to claim 9, characterized in that: The diameter of the laser port is smaller than or equal to the diameter of the laser cleaning channel.

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