Lithium battery diaphragm surface cleaning device

Abstract

The utility model discloses a lithium battery diaphragm surface cleaning device which comprises a base, an upper cleaning cover, a lower cleaning cover and a dust storage box, an L-shaped back plate is fixedly installed at the upper end of the base through a supporting column, and an unwinding driving seat and a winding driving seat are installed on the two sides of the upper end of the base through lifting assemblies. Expansion roll shafts for sleeving the I-shaped wheel are arranged in front of the unwinding driving seat and the winding driving seat; an upper cleaning cover and a lower cleaning cover are respectively mounted between the L-shaped back plate and the base through electric push rods, and a working area for cleaning the surface of the lithium battery diaphragm is arranged between the upper cleaning cover and the lower cleaning cover; the opposite surfaces of the upper cleaning cover and the lower cleaning cover and the lithium battery diaphragm are provided with grooves for mounting the positioning rolling shaft; decontamination strips are distributed in the grooves at equal intervals; according to the utility model, the upper cleaning cover and the lower cleaning cover are used for cleaning the surface of the lithium battery diaphragm transferred from the unwinding driving seat to the winding driving seat.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery diaphragm surface cleaning device. Background Art

[0002] Lithium battery separator is one of the key inner components in the lithium battery structure. It mainly separates the positive and negative electrodes of the battery to prevent the two electrodes from contacting and short-circuiting. In addition, it also has the function of allowing electrolyte ions to pass through. In the process of producing lithium battery separator, it is usually necessary to clean the surface of the lithium battery separator before rolling it up.

[0003] Lithium battery diaphragms are prone to dust or particles being attached during the winding process, product transportation, and finished product storage. The dust and particles will affect the subsequent use of the lithium battery diaphragm. Therefore, the utility model proposes a lithium battery diaphragm surface cleaning device to solve the problems existing in the prior art. Utility Model Content

[0004] In response to the above problems, the purpose of the utility model is to propose a lithium battery diaphragm surface cleaning device, which solves the problem that the lithium battery diaphragm is easily attached with dust or particles during the winding process, product transportation and finished product storage, and the dust and particles will affect the subsequent use of the lithium battery diaphragm.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a lithium battery diaphragm surface cleaning device, including a base, an upper cleaning cover, a lower cleaning cover and a dust storage box, the upper end of the base is fixedly installed with an L-shaped back plate through a support, and an unwinding drive seat and a winding drive seat are installed on both sides of the upper end of the base through a lifting assembly, and an expansion roller shaft for the I-shaped wheel to be sleeved is provided in front of the unwinding drive seat and the winding drive seat;

[0006] An upper cleaning cover and a lower cleaning cover are respectively installed between the L-shaped back plate and the base through an electric push rod, and a working area for cleaning the surface of the lithium battery diaphragm is provided between the upper cleaning cover and the lower cleaning cover;

[0007] The upper cleaning cover and the lower cleaning cover are provided with grooves for installing positioning rollers on the opposite sides of the lithium battery diaphragm. Decontamination strips are evenly distributed inside the grooves. A reserved groove for installing a strip-shaped negative pressure nozzle is provided in the middle of each decontamination strip. PA soft brushes are fixedly installed on both sides of the bottom of each decontamination strip.

[0008] Among them, a negative pressure box and a dust storage box are respectively provided at the upper end of the L-shaped back plate.

[0009] Further improvements are that: the two lifting assemblies each include a sleeve, an electric lifting column and a guide rod, a cavity for installing the electric lifting column is opened inside the sleeve, the lifting end of the electric lifting column passes through the upper end of the sleeve and is fixed to the unwinding drive seat or the winding drive seat, a guide hole for the guide rod to pass through is also opened inside the wall of the sleeve, and the guide rod is fixedly installed at the bottom of the unwinding drive seat or the winding drive seat.

[0010] A further improvement is that a plurality of positioning rollers are installed in the groove through supporting rods, and the positioning rollers and supporting rods are symmetrically distributed about the longitudinal center axis of the groove.

[0011] Further improvements are: negative ion wind rods are fixed inside the upper cleaning cover and the lower cleaning cover through brackets, and the exhaust ends of the negative ion wind rods pass through the inside of the groove. Air inlet holes are opened on the side walls of the upper cleaning cover and the lower cleaning cover, and dust nets are installed inside the air inlet holes.

[0012] A further improvement is that dust collecting pipes are fixedly installed inside the upper cleaning cover and the lower cleaning cover, one side of the outside of the two dust collecting pipes is connected to the inside of multiple strip negative pressure nozzles through conduits, and the other side of the outside of the two dust collecting pipes is connected to the telescopic pipe.

[0013] A further improvement is that both telescopic tubes penetrate the back of the L-shaped back plate and extend to the interior of the negative pressure box and connect with the three-way pipe, the three-way pipe is installed at the negative pressure end of the vacuum cleaner, and the exhaust end of the vacuum cleaner penetrates the interior of the dust storage box through a pipe and extends to the interior of the dust bag.

[0014] A further improvement is that a placement cavity for installing a dust bag is opened inside the dust storage box, a positioning sleeve for threaded connection to the docking nozzle is fixed on one side of the placement cavity, and the positioning sleeve is fixedly installed on the entrance port of the dust bag, an exhaust hole for discharging the cavity is opened on the other side of the placement cavity, and a dust filter is fixed inside the exhaust hole.

[0015] A further improvement is that a drive motor is fixed inside the unwinding drive seat and the winding drive seat, and the output shaft of the drive motor passes through the front end of the unwinding drive seat or the winding drive seat and is installed with the expansion roller shaft through a coupling.

[0016] The utility model utilizes an upper cleaning hood and a lower cleaning hood to clean the lithium battery diaphragm transferred from the unwinding drive seat to the winding drive seat. During cleaning, a negative ion wind rod is utilized to generate wind with negative ions to avoid the disadvantage that static electricity causes dust or smaller particles to be adsorbed on the surface of the lithium battery diaphragm, making cleaning difficult. After the positioning roller positions the lithium battery diaphragm, as the diaphragm lithium battery moves, the PA soft-bristle brush removes the dust attached to the lithium battery diaphragm, and the brushed dust and particles are transported to the interior of the dust removal bag by the negative pressure inside the strip negative pressure nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model.

[0018] Figure 2 The utility model is a schematic diagram of the structure of the combined parts of the upper cleaning cover, the positioning roller, the decontamination strip and the electric push rod.

[0019] Figure 3 for Figure 1 An enlarged schematic diagram of the structure of part A in FIG.

[0020] Figure 4 for Figure 1 An enlarged schematic diagram of the structure of part B in FIG.

[0021] Figure 5 for Figure 1 An enlarged schematic diagram of the C part structure.

[0022] Figure 6 It is a schematic diagram of the structure of the combined parts of the decontamination strip and the PA soft brush in the utility model.

[0023] : 1. base, 2. L-shaped back plate, 3. unwinding drive seat, 4. rewinding drive seat, 5. expansion roller, 6. electric push rod, 7. upper cleaning cover, 8. lower cleaning cover, 9. positioning roller, 10. groove, 11. decontamination strip, 12. strip negative pressure nozzle, 13. PA soft brush, 14. negative pressure box, 15. dust storage box, 16. sleeve, 17. electric lifting column, 18. guide rod, 19. support rod, 20. bracket, 21. negative ion wind rod, 22. dustproof net, 23. dust collecting pipe, 24. duct, 25. telescopic tube, 26. vacuum cleaner, 27. dust bag, 28. positioning sleeve, 29. docking nozzle, 30. dust filter, 31. driving motor. DETAILED DESCRIPTION

[0024] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0025] according to Figure 1 - Figure 6 As shown, a lithium battery diaphragm surface cleaning device comprises a base 1, an upper cleaning cover 7, a lower cleaning cover 8 and a dust storage box 15, an L-shaped back plate 2 is fixedly mounted on the upper end of the base 1 through a support, an unwinding drive seat 3 and a winding drive seat 4 are mounted on both sides of the upper end of the base 1 through a lifting assembly, and an expansion roller shaft 5 for the I-shaped wheel to be sleeved is provided in front of the unwinding drive seat 3 and the winding drive seat 4;

[0026] An upper cleaning cover 7 and a lower cleaning cover 8 are respectively installed between the L-shaped back plate 2 and the base 1 through an electric push rod 6, and a working area for cleaning the surface of the lithium battery diaphragm is provided between the upper cleaning cover 7 and the lower cleaning cover 8;

[0027] The upper cleaning cover 7 and the lower cleaning cover 8 are provided with grooves 10 for installing the positioning roller 9 on the opposite sides of the lithium battery diaphragm, and decontamination strips 11 are evenly distributed inside the grooves 10. A reserved groove for installing a strip-shaped negative pressure nozzle 12 is provided in the middle of each decontamination strip 11, and PA soft brushes 13 are fixedly installed on both sides of the bottom of each decontamination strip 11;

[0028] A negative pressure box 14 and a dust storage box 15 are respectively provided at the upper end of the L-shaped back plate 2. Considering that the lithium battery diaphragm is easily attached with dust or particulate matter during the winding process, product transportation and finished product storage, and the dust and particulate matter will affect the subsequent use of the lithium battery diaphragm, the present device is used to clean the lithium battery diaphragm put into use, and the upper cleaning cover 7 and the lower cleaning cover 8 are used to clean the lithium battery diaphragm transferred from the unwinding drive seat 3 to the winding drive seat 4. During cleaning, the negative ion wind rod 21 is used to generate wind with negative ions to avoid dust or smaller particles adsorbed on the surface of the lithium battery diaphragm due to static electricity, causing cleaning difficulties. After the positioning roller 9 positions the lithium battery diaphragm, as the diaphragm lithium battery moves, the PA soft brush 13 will brush off the dust attached to the lithium battery diaphragm, and the brushed dust and particles will be transported to the inside of the dust removal bag 27 by the negative pressure inside the strip negative pressure nozzle 12.

[0029] The two lifting assemblies each include a sleeve 16, an electric lifting column 17 and a guide rod 18. A cavity for installing the electric lifting column 17 is provided inside the sleeve 16. The lifting end of the electric lifting column 17 passes through the upper end of the sleeve 16 and is fixed to the unwinding drive seat 3 or the winding drive seat 4. A guide hole for the guide rod 18 to pass through is also provided inside the wall of the sleeve 16, and the guide rod 18 is fixedly installed at the bottom of the unwinding drive seat 3 or the winding drive seat 4. By setting the lifting assembly, the use height of the unwinding drive seat 3 and the winding drive seat 4 is adjusted. During adjustment, the telescopic end of the electric lifting column 17 will drive the unwinding drive seat 3 or the winding drive seat 4 to move, and the guide rod 18 will be used to ensure stability during longitudinal movement during the displacement process.

[0030] Multiple positioning rollers 9 are installed in the groove 10 through the support rod 19, and the positioning rollers 9 and the support rod 19 are symmetrically distributed about the longitudinal center axis of the groove 10. By setting the positioning rollers 9, the lithium battery diaphragm is tightened without affecting the displacement of the lithium battery diaphragm, thereby avoiding looseness and weakening of the cleaning effect.

[0031] The interior of the upper cleaning cover 7 and the lower cleaning cover 8 are fixed with a negative ion wind rod 21 through a bracket 20, and the exhaust ends of the negative ion wind rod 21 extend into the interior of the groove 10. The side walls of the upper cleaning cover 7 and the lower cleaning cover 8 are provided with air inlet holes, and a dustproof net 22 is installed inside the air inlet hole. The dustproof net 22 is provided to filter the air entering the interior of the cleaning cover, thereby preventing the negative ion wind rod 21 from bringing in external dust when working, thereby causing negative effects on the cleaning process.

[0032] Dust collecting pipes 23 are fixedly installed inside the upper cleaning cover 7 and the lower cleaning cover 8. One side of the outside of the two dust collecting pipes 23 is connected with the inside of multiple strip negative pressure nozzles 12 through the conduit 24, and the other side of the outside of the two dust collecting pipes 23 is connected with the telescopic pipe 25. By setting the telescopic pipe 25, when the upper cleaning cover 7 and the lower cleaning cover 8 are displaced by the electric push rod 6, the pipe will not be broken and will be stretched with the displacement distance.

[0033] Both telescopic tubes 25 pass through the back of the L-shaped back panel 2 and extend to the interior of the negative pressure box 14 to be connected with the three-way pipe. The three-way pipe is installed at the negative pressure end of the vacuum cleaner 26, and the exhaust end of the vacuum cleaner 26 passes through the interior of the dust storage box 15 through a pipe and extends to the interior of the dust removal bag 27. The negative pressure generated when the vacuum cleaner 26 is working will be used to transport the dust or particles brought up by the PA bristles using multiple strip negative pressure nozzles 12.

[0034] A placement cavity for installing the dust bag 27 is provided inside the dust storage box 15, a positioning sleeve 28 for threaded connection to the docking nozzle 29 is fixed on one side of the placement cavity, and the positioning sleeve 28 is fixedly installed on the entrance port of the dust bag 27, an exhaust hole for discharging the cavity is provided on the other side of the placement cavity, and a dust filter net 30 is fixed inside the exhaust hole. The dust bag 27 is provided to collect the transported dust and particles, and the air generated during transportation will be discharged through the gaps in the dust bag 27.

[0035] A driving motor 31 is fixed inside the unwinding drive seat 3 and the winding drive seat 4. The output shaft of the driving motor 31 passes through the front end of the unwinding drive seat 3 or the winding drive seat 4 and is installed with the expansion roller 5 through a coupling. By setting the driving motor 31, the expansion roller 5 is rotated, and the rotation of the two expansion rollers 5 will perform the operation of unwinding or winding the lithium battery diaphragm.

Claims

1. A lithium battery diaphragm surface cleaning device, comprising a base (1), an upper cleaning cover (7), a lower cleaning cover (8) and a dust storage box (15), characterized in that: An L-shaped back plate (2) is fixedly mounted on the upper end of the base (1) via a support, and an unwinding drive seat (3) and a rewinding drive seat (4) are mounted on both sides of the upper end of the base (1) via a lifting assembly, and an expansion roller shaft (5) for the I-shaped wheel to be sleeved is provided in front of the unwinding drive seat (3) and the rewinding drive seat (4); An upper cleaning cover (7) and a lower cleaning cover (8) are respectively installed between the L-shaped back plate (2) and the base (1) via an electric push rod (6), and a working area for cleaning the surface of the lithium battery diaphragm is provided between the upper cleaning cover (7) and the lower cleaning cover (8); The upper cleaning cover (7) and the lower cleaning cover (8) are provided with grooves (10) for installing the positioning rollers (9) on the surfaces opposite to the lithium battery diaphragm, and decontamination strips (11) are evenly spaced inside the grooves (10), and a reserved groove for installing a strip-shaped negative pressure nozzle (12) is provided in the middle of each decontamination strip (11), and PA soft brushes (13) are fixedly installed on both sides of the bottom of each decontamination strip (11); A negative pressure box (14) and a dust storage box (15) are respectively provided at the upper end of the L-shaped back plate (2).

2. A lithium battery diaphragm surface cleaning device according to claim 1, characterized in that: The two lifting assemblies each comprise a sleeve (16), an electric lifting column (17) and a guide rod (18); a cavity for installing the electric lifting column (17) is provided inside the sleeve (16); a lifting end of the electric lifting column (17) passes through the upper end of the sleeve (16) and is fixed to the unwinding drive seat (3) or the rewinding drive seat (4); a guide hole for the guide rod (18) to pass through is also provided inside the wall of the sleeve (16); and the guide rod (18) is fixedly mounted on the bottom of the unwinding drive seat (3) or the rewinding drive seat (4).

3. A lithium battery diaphragm surface cleaning device according to claim 1, characterized in that: The plurality of positioning rollers (9) are installed in the groove (10) via support rods (19), and the positioning rollers (9) and support rods (19) are symmetrically distributed about the longitudinal center axis of the groove (10).

4. A lithium battery diaphragm surface cleaning device according to claim 1, characterized in that: Negative ion wind rods (21) are fixed inside the upper cleaning cover (7) and the lower cleaning cover (8) via brackets (20), and the exhaust ends of the negative ion wind rods (21) extend through the interior of the groove (10). Air inlet holes are provided on both side walls of the upper cleaning cover (7) and the lower cleaning cover (8), and dustproof nets (22) are installed inside the air inlet holes.

5. A lithium battery diaphragm surface cleaning device according to claim 1, characterized in that: Dust collecting pipes (23) are fixedly mounted inside the upper cleaning cover (7) and the lower cleaning cover (8); one side of the exterior of the two dust collecting pipes (23) is respectively connected to the interior of the plurality of strip-shaped negative pressure nozzles (12) via a conduit (24), and the other side of the exterior of the two dust collecting pipes (23) is connected to the telescopic pipe (25).

6. A lithium battery diaphragm surface cleaning device according to claim 5, characterized in that: The two telescopic tubes (25) both penetrate the back of the L-shaped back plate (2) and extend to the interior of the negative pressure box (14) to communicate with the three-way pipe, the three-way pipe is installed at the negative pressure end of the vacuum cleaner (26), and the exhaust end of the vacuum cleaner (26) penetrates the interior of the dust storage box (15) through a pipeline and extends to the interior of the dust removal bag (27).

7. A lithium battery diaphragm surface cleaning device according to claim 1, characterized in that: The dust storage box (15) has a placement cavity for installing a dust bag (27) inside, a positioning sleeve (28) for threaded connection with a docking nozzle (29) is fixed on one side of the placement cavity, and the positioning sleeve (28) is fixedly mounted on an inlet port of the dust bag (27), and an exhaust hole for exhausting the cavity is provided on the other side of the placement cavity, and a dust filter (30) is fixed inside the exhaust hole.

8. A lithium battery diaphragm surface cleaning device according to claim 1, characterized in that: A drive motor (31) is fixed inside the unwinding drive seat (3) and the rewinding drive seat (4), and an output shaft of the drive motor (31) passes through the front end of the unwinding drive seat (3) or the rewinding drive seat (4) and is mounted on the expansion roller shaft (5) through a coupling.

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