Winding and winding roller cleaning device

Abstract

The utility model discloses a device for cleaning a winding roller, relates to the technical field of lithium battery production equipment, and solves the problems that dust and foreign matters exist, manual cleaning is needed each time, the cleaning is not timely, the cleaning cannot be in place and the production cost is high when the existing winding roller and equipment for a winding machine such as a square battery cell run for a long time. And foreign matters enter the battery core to easily cause short circuit. Comprising a machine body, a dustproof cover is arranged outside the machine body, a passing roller and a winding device are connected in the machine body, a battery cell is wound through the winding device after passing through the passing roller, a brush roller piece and a blowing device are connected in the machine body, lifting devices are further arranged at the two ends of the brush roller piece and drive the brush roller piece to move to abut against the periphery of the passing roller, and the blowing device is located at one end of the passing roller. And air blowing cleaning is performed by aligning the rollers. The automatic cleaning of the passing roller can be ensured, the scrapping condition caused by short circuit of the battery cell can be reduced, and the effects of improving the product yield and improving the production efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production equipment, in particular to a device for cleaning a winding roller. Background Art

[0002] The winding of existing lithium battery cells is mainly completed by a cell winding machine, which stacks, winds and affixes termination glue to form a lithium battery cell in a certain order. However, the rollers used in existing square cell winding machines are prone to dust and foreign matter when the equipment is running for a long time, and manual cleaning is required each time. However, the cleaning is not timely and cannot be done properly, and foreign matter enters the battery cell, which can easily cause a short circuit. Utility Model Content

[0003] The utility model aims to provide a device for cleaning the winding roller, which can ensure automatic cleaning of the roller, reduce the occurrence of scrapping caused by short circuit of the battery cell, improve the product quality rate, and thus improve production efficiency.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A device for cleaning a winding roller comprises a body, a dust cover is arranged outside the body, a roller and a winding device are connected to the body, a battery cell is wound by the winding device after passing through the roller, a brush roller and an air blowing device are connected to the body, lifting devices are also arranged at both ends of the brush roller, the lifting device drives the brush roller to move until it abuts against the outer periphery of the roller, and the air blowing device is located at one end of the roller and blows air towards the roller for cleaning.

[0006] By adopting the above technical solution, the lifting device drives the brush roller to move to abut against the outer periphery of the roller, so that the brush roller can wipe off the dust on the surface of the roller, and the blowing device further blows the dust outward to ensure that the roller is automatically cleaned, so as to reduce the occurrence of battery cell scrapping due to short circuit, thereby improving production efficiency.

[0007] Furthermore, a dust removal pipeline is also connected to the machine body, and the dust removal pipeline is located at the end of the roller away from the blowing device, and is aimed at the direction of the blowing device to collect dust.

[0008] By adopting the above technical solution, the dust removal pipeline is aligned with the blowing device to collect dust, thereby avoiding problems such as the falling back of internal dust and reducing the total amount of internal dust and debris.

[0009] Furthermore, a driving device for driving the brush roller to rotate is connected to the body.

[0010] By adopting the above technical solution, the brush roller is driven to actively rotate, so that it can better wipe the surface of the roller.

[0011] Furthermore, the driving device includes a rotating shaft, a motor driving the rotating shaft to rotate, a connecting sleeve sleeved outside the rotating shaft, and a telescopic member driving the connecting sleeve to extend and retract. The outer end of the rotating shaft is a prism, and a corresponding prism hole is opened at the corresponding end of the connecting sleeve.

[0012] By adopting the above technical solution, the motor drives the rotating shaft to rotate, and the telescopic member drives the connecting sleeve to move along the rotating shaft, thereby driving the brush roller member to rotate.

[0013] Furthermore, a regular polygonal hole is provided on the inner periphery of the outer end of the connecting sleeve, and the cross section of the corresponding end of the rotating shaft is a matching regular polygon.

[0014] By adopting the above technical solution, the connecting sleeve can drive the brush roller to rotate.

[0015] Furthermore, the telescopic member comprises a telescopic cylinder, the output end of the telescopic cylinder is connected to a push block, a circle of positioning blocks is arranged on the outer periphery of the connecting sleeve, and a positioning groove matched with the positioning block is arranged on the inner side of the push block.

[0016] By adopting the above technical solution, the connection sleeve can be driven to extend and retract without affecting its rotation.

[0017] Furthermore, a rotating part is connected to the body, and the rotating part is located at the end of the brush roller part away from the driving device. The rotating part includes a rotating cylinder, and the output end of the rotating cylinder is coaxially connected to a rotating block. A regular polygon hole is opened on the inner periphery of the end of the rotating block, and the cross-section of the corresponding end of the rotating axis is a matching regular polygon.

[0018] By adopting the above technical solution, both ends of the brush roller are connected to the machine body through the rotating member and the driving device respectively, so as to facilitate its driving rotation.

[0019] Furthermore, the lifting device includes two lifting cylinders, the output ends of the lifting cylinders are upwardly arranged and connected to a lifting block, a stopping groove is opened on the top of the lifting block, the corresponding ends of the brush rollers abut against the upper side of the lifting block, and the side edges on both sides abut against the inner side of the stopping groove.

[0020] By adopting the above technical solution, the lifting and lowering of the brush roller is realized and its rotation is restricted during the lifting process, thereby ensuring its docking with the rotating part and the driving device.

[0021] In summary, the utility model has the following beneficial effects:

[0022] A dust cover is provided outside the machine body, and a brush roller and an air blowing device are connected to the machine body. The lifting device drives the brush roller to move to abut against the outer periphery of the roller, so that the brush roller can wipe the dust on the surface of the roller, and the air blowing device further blows the dust outward to ensure that the roller is automatically cleaned, so as to reduce the scrapping of the battery cell due to short circuit, thereby improving production efficiency;

[0023] The dust removal pipeline collects dust in the direction of the air blowing device to avoid problems such as internal dust falling back and reduce the total amount of internal dust and debris; the driving device drives the brush roller to rotate actively so that it can better wipe the surface of the roller. The motor drives the rotating shaft to rotate, and the telescopic member drives the connecting sleeve to move along the rotating shaft, thereby driving the brush roller to rotate. The telescopic member drives the connecting sleeve to extend and retract without affecting its rotation.

[0024] The two ends of the brush roller are connected to the machine body through a rotating part and a driving device respectively, which facilitates its driving rotation. The lifting cylinder and the lifting block realize the lifting and lowering of the brush roller and limit its rotation during the lifting process to ensure its docking with the rotating part and the driving device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of a device for cleaning a winding roller according to the utility model;

[0026] Figure 2 The utility model is a schematic diagram of the specific structure of the driving device and the rotating part of the device for cleaning the winding roller.

[0027] In the figure, 1, machine body; 11, dust cover; 12, opening and closing door; 2, winding device; 21, roller; 3, brush roller member; 6, rotating shaft; 61, connecting sleeve; 62, telescopic cylinder; 63, pushing block; 64, positioning block; 65, rotating cylinder; 66, rotating block; 7, lifting cylinder; 71, lifting block. DETAILED DESCRIPTION

[0028] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, and this embodiment does not constitute a limitation of the utility model. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0029] A device for cleaning a roll around a roll, such as Figure 1 As shown, it includes a body 1, a dust cover 11 is arranged outside the body 1, an opening and closing door 12 is left on the outer periphery of the dust cover 11, one end of the opening and closing door 12 is hinged, and the other end is connected to the main body of the dust cover 11 through a door lock or other locking structure;

[0030] A roller 21 and a winding device 2 are connected to the body 1. The battery cell is wound by the winding device 2 after passing through the roller 21. In this embodiment, the end of the roller 21 can be connected to the motor through a clutch or other structure to drive it to actively rotate during dust removal.

[0031] like Figure 1As shown, a brush roller 3 and an air blowing device are connected to the machine body 1. The air blowing device is located at one end of the roller 21, and is aimed at the roller 21 for cleaning by blowing air. A dust removal pipeline can also be connected to the machine body 1. The dust removal pipeline is located at the end of the roller 21 away from the air blowing device 4, and is aimed at the blowing device to collect dust. The air is blown through the air blowing device for cleaning, and the dust removal management avoids secondary pollution. Its structure can adopt corresponding compressed air injection pipelines and negative pressure structures such as universal bamboo tubes and suction fans, which are specifically related to the prior art and will not be elaborated here.

[0032] like Figure 1 and Figure 2 As shown, a driving device for driving the brush roller member 3 to rotate is connected to the machine body 1, and the driving device includes a rotating shaft 6, a motor for driving the rotating shaft 6 to rotate, a connecting sleeve 61 sleeved outside the rotating shaft 6, and a telescopic member for driving the connecting sleeve 61 to extend and retract. The rotating shaft 6 is fixed to both ends of the brush roller member 3, and the outer end is a prism, and corresponding prism holes are provided at the corresponding ends of the connecting sleeve 61; the motor can be a servo motor, etc., and the angle at which it is driven to rotate is the angle at which the rotation starts or a specific angle (such as 180, 90 degrees, etc.), and it is connected to the final output shaft through a coupling or other structures, and the two ends of the connecting sleeve 61 are respectively sleeved outside the output shaft and the rotating shaft 6;

[0033] In this embodiment, a regular polygonal hole is opened on the inner circumference of the connecting sleeve 61, and the corresponding end cross-sections of the rotating shaft 6 and the motor output shaft are matching regular polygons; the telescopic part includes a telescopic cylinder 62, and a push block 63 is connected to the output end of the telescopic cylinder 62. A circle of positioning blocks 64 are arranged on the outer circumference of the connecting sleeve 61, and a positioning groove matching the positioning block 64 is opened on the inner side of the push block 63. When the roller 21 is working, the motor can drive the brush roller part 3 to rotate slowly / intermittently in the opposite direction to improve the dust removal effect.

[0034] like Figure 2 As shown, a rotating member is also connected to the body 1, and the rotating member is located at the end of the brush roller member 3 away from the driving device. The rotating member includes a rotating cylinder 65, and the output end of the rotating cylinder 65 is coaxially rotatably connected to a rotating block 66. A regular polygonal hole is provided on the inner periphery of the end of the rotating block 66, and the cross-section of the corresponding end of the rotating shaft 6 is a matching regular polygon; in order to ensure that the rotating cylinder 65 does not rotate after retracting, a positioning rod is also connected to the rotating cylinder 65, and a circle of corresponding positioning grooves is provided on the outer periphery or end of the rotating rod 66. When the rotating cylinder 65 drives the rotating block 66 to extend, the positioning rod is separated from the rotating block, and when the rotating block 65 is driven to retract, the positioning rod is inserted into the rotating block 66.

[0035] like Figure 2As shown, in order to further facilitate the installation and use of the brush roller member, in some embodiments, a lifting device can be connected to both ends of the brush roller member 3, and the lifting device drives the brush roller member 3 to move to abut against the outer periphery of the roller 21. The lifting device can drive the brush roller member, the driving device and the rotating member to rise and fall together, or it can be set to only drive the brush roller member 3 to rise and fall, while the driving device and the rotating member are fixed;

[0036] In this embodiment, the lifting device includes two fixed lifting cylinders 7, which can also be replaced by a linear module, etc.; the output end of the lifting cylinder 7 is arranged upward and connected to a lifting block 71, and a stop groove is opened on the top of the lifting block 71. The corresponding end of the brush roller member 3 abuts against the upper side of the lifting block 71, and the side edges on both sides abut against the inner side of the corresponding stop groove. In this embodiment, square shafts are fixed at both ends of the brush roller member 3, and the rotating shaft 6 is fixed to the outer end of the square shaft. The stop groove is a matching V-shape, and the stop groove can also be a U-shaped structure.

[0037] In this embodiment, a dust cover is provided outside the machine body, and a brush roller and an air blowing device are connected to the machine body. The lifting device drives the brush roller to move until it abuts against the outer periphery of the roller, so that the brush roller can wipe off the dust on the surface of the roller, and the air blowing device further blows the dust outward to ensure that the roller is automatically cleaned to reduce the situation where the battery cell is scrapped due to short circuit, thereby improving production efficiency; the side of the roller is a brush structure, the upper side is an air knife for blowing, and the integrated outer cover is connected to the dust removal duct to collect dust.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions should also be deemed to fall within the protection scope of the technical solution of the present invention.

Claims

1. A device for cleaning a winding roller, characterized in that: It includes a machine body, a dust cover is arranged outside the machine body, a roller and a winding device are connected to the machine body, the battery cell is wound by the winding device after passing through the roller, a brush roller and an air blowing device are connected to the machine body, lifting devices are also arranged at both ends of the brush roller, the lifting device drives the brush roller to move until it abuts against the outer periphery of the roller, the air blowing device is located at one end of the roller, and blows air towards the roller for cleaning.

2. A device for cleaning a winding roller according to claim 1, characterized in that: The machine body is also connected with a dust removal pipeline, which is located at one end of the roller away from the air blowing device and is aimed at the direction of the air blowing device to collect dust.

3. A device for cleaning a winding roller according to claim 1 or 2, characterized in that: The machine body is connected with a driving device for driving the brush roller to rotate.

4. A device for cleaning a winding roller according to claim 3, characterized in that: The driving device includes a rotating shaft, a motor driving the rotating shaft to rotate, a connecting sleeve sleeved outside the rotating shaft, and a telescopic member driving the connecting sleeve to telescope. The outer end of the rotating shaft is a prism, and a corresponding prism hole is provided at the corresponding end of the connecting sleeve.

5. A device for cleaning a winding roller according to claim 4, characterized in that: A regular polygonal hole is provided on the inner periphery of the outer end of the connecting sleeve, and the cross section of the corresponding end of the rotating shaft is a matching regular polygon.

6. A device for cleaning a winding roller according to claim 5, characterized in that: The telescopic member comprises a telescopic cylinder, the output end of which is connected to a push block, a circle of positioning blocks is arranged on the outer periphery of the connecting sleeve, and a positioning groove matched with the positioning block is arranged on the inner side of the push block.

7. The device for cleaning a winding roller according to claim 3, characterized in that: A rotating part is also connected to the body, which is located at the end of the brush roller away from the driving device. The rotating part includes a rotating cylinder. The output end of the rotating cylinder is coaxially connected to a rotating block. A regular polygon hole is opened on the inner periphery of the end of the rotating block, and the cross-section of the corresponding end of the rotating shaft is a matching regular polygon.

8. The device for cleaning a winding roller according to claim 7, characterized in that: The lifting device includes two lifting cylinders, the output ends of the lifting cylinders are arranged upward and connected to a lifting block, a stop groove is provided on the top of the lifting block, the corresponding ends of the brush rollers abut against the upper side of the lifting block, and the side edges on both sides abut against the inner side of the stop groove.

Images