Pole piece dust removal device

Abstract

The utility model discloses a pole piece dust removal device which comprises a machine frame, a pole piece turnover mechanism and a cleaning mechanism, the pole piece turnover mechanism and the cleaning mechanism are arranged on the machine frame, the pole piece turnover mechanism is used for driving a pole piece to turn over horizontally, and the cleaning mechanism is located under the pole piece turnover mechanism. The cleaning mechanism comprises brush assemblies, an X-axis transverse moving assembly used for driving the brush assemblies to move in the X-axis direction, a Y-axis transverse moving assembly used for driving the brush assemblies to move in the Y-axis direction and a Z-axis transverse moving assembly used for driving the brush assemblies to move in the Z-axis direction. According to the pole piece dust removal device, the mode of pole piece fixed adsorption and brush movable cleaning is adopted, dust removal and cleaning are achieved, and meanwhile damage to pole piece and pole lugs can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery pole piece processing technical field, concretely relates to a pole piece dust removal device. BACKGROUND

[0002] When laser cutting, the laser will splash the molten material produced when cutting the foil and the base material (including ternary lithium, lithium iron phosphate, lithium cobaltate, graphite, etc.) to form dust and particles, and there will be a smoking phenomenon, so the pole piece after cutting needs to be cleaned.

[0003] The existing pole piece cleaning is a cleaning method of using a vacuum belt to adsorb the pole piece and rotating the brush at a fixed position, but this method can easily damage the pole lug of the pole piece, causing wrinkles, tearing and other adverse problems of the pole piece, and the dust from the upper surface will float back to the surface of the pole piece, a large amount of dust will also stick to the vacuum belt, affecting the subsequent dust removal effect; in addition, the height adjustment of the brush is not convenient. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a pole piece dust removal device, which adopts a pole piece fixed adsorption and brush moving cleaning method, which can effectively reduce the damage to the pole lug of the pole piece while realizing dust removal and cleaning.

[0005] The utility model solves the technical problems by adopting the following technical scheme:

[0006] A pole piece dust removal device, comprising a rack, a pole piece turnover mechanism and a cleaning mechanism arranged on the rack, the pole piece turnover mechanism is used to drive the pole piece to horizontally turn over, the cleaning mechanism is located directly below the pole piece turnover mechanism, the cleaning mechanism comprises a brush assembly, an X-axis transverse movement assembly used to drive the brush assembly to move along the X-axis direction respectively, a Y-axis transverse movement assembly used to drive the brush assembly to move along the Y-axis direction respectively, and a Z-axis transverse movement assembly used to drive the brush assembly to move along the Z-axis direction respectively.

[0007] As a further improvement of the above technical scheme, the pole piece turnover mechanism comprises a transverse movement module, a turnover assembly A connected to the rack, and a turnover assembly B connected to the movable end of the transverse movement module, the turnover assembly A and the turnover assembly B both comprise a turnover motor and a negative pressure adsorption plate connected to the output end of the turnover motor, the turnover motor is used to drive the negative pressure adsorption plate to turn over at a set angle, and the negative pressure adsorption plates in the turnover assembly A and the turnover assembly B are used to adsorb the front and back surfaces of the pole piece respectively.

[0008] As a further improvement of the above technical solution, the fixed end of the X-axis transverse moving assembly is connected to the rack, the fixed end of the Y-axis transverse moving assembly is connected to the movable end of the X-axis transverse moving assembly, the fixed end of the Z-axis transverse moving assembly is connected to the movable end of the Y-axis transverse moving assembly, and the brush assembly is detachably connected to the movable end of the Z-axis transverse moving assembly.

[0009] As a further improvement of the above technical solution, the brush assembly is an R-axis rolling brush rotating assembly, which comprises a rolling brush, a dust collecting cavity, a first rotating motor and a first transmission box. The dust collecting cavity is detachably connected to the movable end of the Z-axis transverse moving assembly. The rolling brush comprises a brush roller and brush filaments. The two ends of the brush roller are respectively rotatably connected to the two side walls of the dust collecting cavity, and the brush filaments are partially higher than the top of the dust collecting cavity. The first rotating motor and the first transmission box are fixedly connected to the outside of the dust collecting cavity. The first transmission box is used for transmitting the torque of the first rotating motor to the brush roller to drive the brush roller to rotate.

[0010] As a further improvement of the above technical solution, a lifting block is slidably connected to the dust collecting cavity in the vertical direction, and the brush roller is rotatably connected to the lifting block. An adjusting member is arranged on the dust collecting cavity and used for driving the lifting block to move.

[0011] As a further improvement of the above technical solution, the adjusting member comprises an adjusting block and an adjusting bolt. A threaded hole is arranged on the adjusting block, and the adjusting bolt is threadedly connected into the threaded hole and rotatably connected to the lifting block at its end.

[0012] As a further improvement of the above technical solution, a self-cleaning piece is arranged in the dust collecting cavity and along the length direction of the brush roller, and the self-cleaning piece is in contact with the brush filaments.

[0013] As a further improvement of the above technical solution, a dust suction port is arranged at the bottom of the dust collecting cavity, and a dust collector is connected to the dust suction port.

[0014] As a further improvement of the above technical solution, the brush assembly is a W-axis plane brush rotating assembly, which comprises a mounting frame, a plane brush, a second rotating motor and a second transmission box. The mounting frame is detachably connected to the movable end of the Z-axis transverse moving assembly. The plane brush is rotatably connected to the mounting frame. The second rotating motor and the second transmission box are fixedly connected to the mounting frame. The second transmission box is used for transmitting the torque of the second rotating motor to the plane brush to drive the plane brush to rotate.

[0015] As a further improvement of the above technical solution, the outer periphery of the flat brush is sleeved with a dust collection pipeline, the top of the flat brush is higher than the top of the dust collection pipeline, the dust collection pipeline is connected to the mounting frame, and the side of the dust collection pipeline is connected with a dust collector through a dust suction pipe.

[0016] The utility model discloses beneficial effect is:

[0017] The utility model discloses adopt cleaning mechanism to the polar piece directional, positioning remove dust, and the polar piece is adsorbed on the negative pressure adsorption board of polar piece turnover mechanism flatly, so in eliminating the dust and the smoking phenomenon of polar piece cutting edge also avoided the wrinkle, tearing etc. Adverse problem of the brush rolling pressure polar piece when cleaning polar piece, and the turnover mechanism can realize the surface of polar piece (A / B surface) change, guarantee polar piece A, B surface can realize cleaning. Moreover, the effective of polar piece cleaning and the cleaning of brush are ensured through dust collector and self-cleaning piece in the process of cleaning, and do not cause secondary pollution. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further explained below in combination with the drawings and examples.

[0019] Figure 1 It is the assembly schematic drawing of a polar piece dust collector of the utility model embodiment 1;

[0020] Figure 2 It is the structure schematic drawing of polar piece turnover mechanism in the utility model embodiment 1;

[0021] Figure 3 It is the structure schematic drawing of R axis rolling brush rotating assembly in the utility model embodiment 1;

[0022] Figure 4 It is the back view of R axis rolling brush rotating assembly in the utility model embodiment 1;

[0023] Figure 5 It is the sectional view of R axis rolling brush rotating assembly in the utility model embodiment 1;

[0024] Figure 6 It is the assembly schematic drawing of a polar piece dust collector in the utility model embodiment 2;

[0025] Figure 7 It is the structure schematic drawing of polar piece W axis flat brush rotating assembly in the utility model embodiment 2;

[0026] Figure 8 It is the process schematic drawing of cleaning polar piece of a polar piece dust collector in the utility model embodiment 1;

[0027] Figure 9is a rolling brush cleaning track schematic diagram of the pole piece dust removal device of the utility model embodiment 1 cleaning pole piece;

[0028] Figure 10 is a plane brush cleaning track schematic diagram of the pole piece dust removal device of the utility model embodiment 2 cleaning pole piece.

[0029] Fig. 1, rack 2, pole piece turnover mechanism 21, horizontal movement module 22, turnover motor A 23, negative pressure adsorption plate A 24, turnover motor B 25, negative pressure adsorption plate B 3, cleaning mechanism 31, X-axis horizontal movement assembly 32, Y-axis horizontal movement assembly 33, Z-axis horizontal movement assembly 34, R-axis rolling brush rotating assembly 341, rolling brush 3411, brush roller 3412, brush filament 342, dust collection cavity 343, first transmission box 344, first rotary motor 345, dust collection hopper 346, first dust suction pipe 347, lifting block 348, adjusting part 3481, adjusting block 3482, adjusting bolt 3483, scale line 349, self-cleaning piece 35, W-axis plane brush rotating assembly 351, mounting frame 352, plane brush 353, second rotary motor 354, second transmission box 355, dust collection pipeline 356, second dust suction pipe. DETAILED DESCRIPTION

[0030] The utility model will be combined with the embodiment and the drawing to the concept of the utility model, specific structure and the technical effect produced are clearly, completely described, to fully understand the purpose, characteristics and effect of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all embodiments, based on the embodiment of the utility model, the other embodiments obtained by the skilled in the art without paying creative labor, all belong to the protection scope of the utility model. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but can be composed of a better coupling structure by adding or reducing coupling auxiliary parts according to the specific implementation situation, such as fixed connection / fixed installation, which can be selected according to the need screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other ways, such as detachable connection, which can be selected according to the need screw connection, bolt connection, threaded connection, buckle connection, mortise and tenon connection, magic tape connection and other ways. The various technical features in the utility model creation can be combined interactively without mutual contradiction and conflict.

[0031] REFERENCE Figure 1The utility model discloses an embodiment 1 provides a kind of pole piece dust removal device, including rack 1, pole piece turnover mechanism and cleaning mechanism 3, the pole piece turnover mechanism and cleaning mechanism 3 are all arranged on rack 1, and the cleaning mechanism 3 is located the just below pole piece turnover mechanism 2, pole piece is fixed on the pole piece turnover mechanism 2, the pole piece turnover mechanism 2 can drive pole piece horizontal overturning.The cleaning mechanism 3 includes brush assembly, X-axis transverse component 31, Y-axis transverse component 32 and Z-axis transverse component 33, the fixed end of X-axis transverse component 31 is connected on the rack 1, the fixed end of Y-axis transverse component 32 is connected on the movable end of X-axis transverse component 31, the fixed end of Z-axis transverse component 33 is connected on the movable end of Y-axis transverse component 32, the brush assembly is detachably connected on the movable end of Z-axis transverse component 33, to drive brush assembly to move along X, Y, Z axis direction by the operation of X-axis transverse component 31, Y-axis transverse component 32 and Z-axis transverse component 33, to facilitate the dust on pole piece to be removed.

[0032] In some embodiments, the X-axis transverse component 31, Y-axis transverse component 32 and Z-axis transverse component 33 can adopt linear module, linear motor, cylinder and other mechanisms with linear motion of body, for example, in the embodiment, the X-axis transverse component 31 adopts linear motor, the Y-axis transverse component 32 adopts motor screw module, and the Z-axis transverse component 33 adopts lifting motor.

[0033] In the embodiment, referring to Figure 2 The pole piece turnover mechanism 2 includes transverse module 21, turnover assembly A connected to rack 1 and turnover assembly B connected to the movable end of transverse module 21, the turnover assembly A includes turnover motor A22 and negative pressure suction plate A23 connected to the output end of turnover motor A22, the turnover assembly B includes turnover motor B24 and negative pressure suction plate B25 connected to the output end of turnover motor B24, the turnover motor A22 can drive negative pressure suction plate A23 to overturn by set angle (for example, clockwise 90°, clockwise 180°, counterclockwise 90°, counterclockwise 180°, etc.), similarly, the turnover motor B24 can drive negative pressure suction plate B25 to overturn by set angle (for example, clockwise 90°, clockwise 180°, counterclockwise 90°, counterclockwise 180°, etc.), the negative pressure suction plate A23 and negative pressure suction plate B25 adopt dense microporous structure to adsorb pole piece, to ensure the flatness of adsorption.

[0034] In the embodiment, referring to Figures 3-5The brush assembly is a R-axis rolling brush rotating assembly 34, which comprises a rolling brush 341, a dust collecting cavity 342, a first rotating motor 344 and a first transmission box 343. The dust collecting cavity 342 is detachably connected to the movable end of the Z-axis transverse moving assembly 33. The rolling brush 341 comprises a brush roller 3411 and brush filaments 3412. The two ends of the brush roller 3411 are rotatably connected to the two side walls of the dust collecting cavity 342 respectively, and the brush filaments 3412 are partially higher than the top of the dust collecting cavity 342, so as to ensure that the brush filaments 3412 can contact the pole piece. The first rotating motor 344 and the first transmission box 343 are fixedly connected to the outside of the dust collecting cavity 342. The first transmission box 343 is used for transmitting the torque of the first rotating motor 344 to the brush roller 3411 to drive the brush roller 3411 to rotate. When the brush roller 3411 rotates, the brush filaments 3412 are driven to clean the pole piece, so as to eliminate the dust and smoke phenomenon of the cutting edge of the pole piece.

[0035] In a preferred embodiment, referring to Figure 4 The dust collecting cavity 342 is slidably connected with a lifting block 347 in the vertical direction. The brush roller 3411 is rotatably connected to the lifting block 347. The dust collecting cavity is provided with an adjusting member 348 for driving the lifting block 347 to move. The height of the rolling brush 341 is adjusted by moving the lifting block 347, so as to improve the cleaning effect of the rolling brush 341 on the pole piece. In addition, the dust collecting cavity 342 is provided with a scale line 3483, so that the height of the rolling brush 341 can be accurately adjusted.

[0036] Further, the adjusting member 348 comprises an adjusting block 3481 and an adjusting bolt 3482. The adjusting block 3481 is fixedly connected to the dust collecting cavity 342. The adjusting block 3481 is provided with a threaded hole. The adjusting bolt 3482 is threadedly connected to the threaded hole and the end thereof is rotatably connected to the lifting block 347. By rotating the adjusting bolt 3482, the lifting block 347 can be driven to move, so as to adjust the height of the rolling brush 341.

[0037] In a preferred embodiment, referring to Figure 5 The dust collecting cavity 342 is provided with a self-cleaning piece 349. The self-cleaning piece 349 is arranged along the length direction of the brush roller 3411 and is in contact with the brush filaments 3412. That is, the self-cleaning piece 349 partially extends into the brush filaments 3412. When the brush roller 3411 rotates, the self-cleaning piece 349 collides with the brush filaments 3412, so as to knock off the dust on the brush filaments 3412, thereby realizing the self-cleaning function of the rolling brush 341.

[0038] In the embodiment, referring to Figures 3-5The bottom of the dust collecting cavity 342 is provided with a dust suction port, the dust suction port is connected with a dust collecting hopper 345, and the discharge port of the dust collecting hopper 345 is connected with a dust collector through a first dust suction pipe 346. Dust falling into the dust collecting cavity 342 during cleaning of the polar piece by the rolling brush 341 is sucked away through the dust collector, the cleaning of the polar piece is ensured to be effective, and secondary pollution is not caused.

[0039] With reference to Figure 6 Embodiment 2 of the utility model also provides a polar piece dust removal device, including frame 1, polar piece turnover mechanism and cleaning mechanism 3, the difference between embodiment 2 and embodiment 1 is that the brush assembly in cleaning mechanism 3 is different, and the rest structure is same, embodiment 2 is not repeated.

[0040] In the embodiment, with reference to Figure 7 The brush assembly is a W-axis plane brush rotating assembly 35, which comprises a mounting frame 351, a plane brush 352, a second rotating motor 353 and a second transmission box 354. The mounting frame 351 is detachably connected to the movable end of the Z-axis transverse moving assembly 33. The plane brush 352 is rotatably connected to the mounting frame 351. The second rotating motor 353 and the second transmission box 354 are fixedly connected to the mounting frame 351. The second transmission box 354 is used to transmit the torque of the second rotating motor 353 to the plane brush 352 to drive the plane brush 352 to rotate. The plane brush 352 rotates to clean the polar piece, thereby removing the debris on the cutting edge of the polar piece.

[0041] Further, the outer periphery of the plane brush 352 is sleeved with a dust collecting pipeline 355. The top of the plane brush 352 is higher than the top of the dust collecting pipeline 355, so that the plane brush 352 can contact the polar piece. The dust collecting pipeline 355 is connected to the mounting frame 351. The side of the dust collecting pipeline 355 is connected with a dust collector through a second dust suction pipe 356. The debris falling into the dust collecting pipeline 355 during cleaning of the polar piece by the plane brush 352 is sucked away through the dust collector, the cleaning of the polar piece is ensured to be effective, and secondary pollution is not caused.

[0042] In the utility model, with reference to Figure 8 The process of cleaning the polar piece is as follows: the manipulator takes out the polar piece from the laser cutting station and places it on the negative pressure adsorption plate A23 of the turnover assembly A. The polar piece is adsorbed and flattened on the negative pressure adsorption plate A23, and the tab is also adsorbed and flattened. The turnover motor A22 drives the polar piece to rotate clockwise by 180°. The X-axis transverse moving assembly 31 drives the brush assembly to move below the negative pressure adsorption plate A23. The front surface (A surface) of the polar piece is cleaned through cooperation of the brush assembly, the Z-axis transverse moving assembly 33 and the Y-axis transverse moving assembly 32. The cleaning track of the polar piece by the rolling brush 341 in embodiment 1 is as shown in Figure 9As shown (cleaning from the origin to the forward edge and the rear edge respectively), the cleaning running track of the planar brush 352 on the tab in Example 2 is as shown in Figure 10 As shown (cleaning from the origin along the edge of the tab), the damage to the tab can be effectively reduced.

[0043] After the front surface of the tab is cleaned, the Z-axis horizontal moving assembly 33 drives the brush assembly to lower and avoid the position, the turning motor A22 drives the tab to turn counterclockwise by 90°, the turning motor B24 drives the negative pressure adsorption plate B25 to also turn counterclockwise by 90°, the turning assembly B is connected with the turning assembly A through the horizontal moving module 21, the adsorption surface of the negative pressure adsorption plate B25 is abutted with the adsorption surface of the negative pressure adsorption plate A23, then the negative pressure adsorption plate A23 breaks the vacuum, the negative pressure adsorption plate B25 opens the vacuum, and the tab is transferred from the negative pressure adsorption plate A23 to the negative pressure adsorption plate B25 (the tab is adsorbed and flattened on the negative pressure adsorption plate B25, and the tab is also adsorbed and flattened), so that the tab is turned over. The horizontal moving module 21 drives the turning assembly B to move so as to separate the turning assembly B from the turning assembly A, the turning motor A22 drives the negative pressure adsorption plate A23 to turn counterclockwise by 90° again, so that the adsorption surface faces upward and is used for receiving the next tab, the turning motor B24 also drives the negative pressure adsorption plate B25 to turn counterclockwise by 90° again, so that the tab adsorbed by the negative pressure adsorption plate B25 faces downward, then the X-axis horizontal moving assembly 31 drives the brush assembly to move to the lower side of the negative pressure adsorption plate B25, and the reverse surface (B surface) of the tab is cleaned through cooperation of the brush assembly, the Z-axis horizontal moving assembly 33 and the Y-axis horizontal moving assembly 32, the cleaning running track of the rolling brush 341 on the tab in Example 1 is as shown in Figure 9 As shown (cleaning from the origin to the forward edge and the rear edge respectively), the cleaning running track of the planar brush 352 on the tab in Example 2 is as shown in Figure 10 As shown (cleaning from the origin along the edge of the tab), the damage to the tab can be effectively reduced.

[0044] After the reverse surface of the tab is cleaned, the Z-axis horizontal moving assembly 33 drives the brush assembly to lower and avoid the position, the turning motor B24 drives the negative pressure adsorption plate B25 to turn clockwise by 180°, the negative pressure adsorption plate B25 breaks the vacuum, the mechanical hand takes away the tab from the negative pressure adsorption plate B25 and puts the tab into the material collecting clip.

[0045] The above is a specific description of the preferred implementation of the utility model, but the utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. An electrode sheet dust removal device characterized by comprising: The pole piece turnover mechanism includes a horizontal movement module, a turnover assembly A connected to the rack, and a turnover assembly B connected to the movable end of the horizontal movement module.

2. The pole piece dust removal device according to claim 1, characterized in that: The fixed end of the X-axis horizontal movement module is connected to the rack, the fixed end of the Y-axis horizontal movement module is connected to the movable end of the X-axis horizontal movement module, and the fixed end of the Z-axis horizontal movement module is connected to the movable end of the Y-axis horizontal movement module.

3. The pole piece dust removal device according to claim 1, characterized in that: The brush assembly is an R-axis rolling brush rotating assembly, which includes a rolling brush, a dust collecting cavity, a first rotating motor, and a first transmission box.

4. The pole piece dust removal device according to claim 3, characterized in that: The dust collecting cavity is detachably connected to the movable end of the Z-axis horizontal movement module.

5. The pole piece dust removal device according to claim 4, characterized in that: The brush assembly is an R-axis rolling brush rotating assembly, which includes a rolling brush, a dust collecting cavity, a first rotating motor, and a first transmission box.

6. The pole piece dust removal device according to claim 5, characterized in that: The dust collecting cavity is detachably connected to the movable end of the Z-axis horizontal movement module.

7. The pole piece dust removal device according to claim 4, characterized in that: The brush assembly is an R-axis rolling brush rotating assembly, which includes a rolling brush, a dust collecting cavity, a first rotating motor, and a first transmission box.

8. The pole piece dust removal device according to claim 4, characterized in that: The dust collecting cavity is detachably connected to the movable end of the Z-axis horizontal movement module.

9. The pole piece dust removal device according to claim 3, characterized in that: The brush assembly is an R-axis rolling brush rotating assembly, which includes a rolling brush, a dust collecting cavity, a first rotating motor, and a first transmission box. The dust collecting cavity is detachably connected to the movable end of the Z-axis horizontal movement module. The brush assembly is an R-axis rolling brush rotating assembly, which includes a rolling brush, a dust collecting cavity, a first rotating motor, and a first transmission box. The dust collecting cavity is detachably connected to the movable end of the Z-axis horizontal movement module. The brush assembly is an R-axis rolling brush rotating assembly, which includes a rolling brush, a dust collecting cavity, a first rotating motor, and a first transmission box. The dust collecting cavity is detachably connected to the movable end of the Z-axis horizontal movement module. 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The pole piece dust removal device according to claim 9, characterized in that: The outer periphery of the flat brush is sleeved with a dust collecting pipeline, the top of the flat brush is higher than the top of the dust collecting pipeline, the dust collecting pipeline is connected to a mounting frame, and the side of the dust collecting pipeline is connected with a dust collector through a dust collecting pipe.

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