Device for automatically wiping foreign matters on steel roller of coating machine

Abstract

The utility model provides a device for automatically wiping foreign matters on a steel roller of a coating machine, which belongs to the technical field of lithium battery production equipment and comprises a rack, a cloth roll releasing roller and a cloth roll recycling roller which are connected with the rack, and a contact roller component which is connected with the rack and is used for wiping the steel roller of the coating machine, the rack comprises two side supporting frames which are oppositely arranged, and the cloth roll releasing roller, the cloth roll recycling roller and the contact roller assembly are arranged between the two side supporting frames; the device further comprises a wiping cloth strip, one end of the wiping cloth strip is connected with the cloth roll releasing roller, and the wiping cloth strip is connected with the cloth roll recycling roller after passing through the contact roller assembly. By means of the device for automatically wiping the foreign matter on the steel roller of the coating machine, the cloth strip is wound on the cloth roll releasing roller, the cloth strip is pulled to the position where the cloth strip can make contact with the steel roller of the coating machine through the contact roller assembly, the cloth strip is finally wound on the cloth roll recycling roller, the steel roller of the coating machine moves relative to the cloth strip when working, friction is generated, and the foreign matter is automatically wiped. Therefore, the cloth strip can automatically clean the foreign matters on the steel roller of the coating machine.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery production equipment, and more specifically relates to a device for automatically wiping foreign matter from a steel roller of a coating machine. Background Art

[0002] The coating machine steel roller is a roller used to wind the pole pieces in the lithium battery production process. In recent years, the lithium battery new energy industry has developed rapidly. This item is indispensable in the pole piece production process and is an important item. During the pole piece winding process, the surface of the roller is easily contaminated with foreign matter and other impurities, which may cause pollution to the pole piece material and easily cause damage to the pole piece material.

[0003] Therefore, when the coating machine steel drum has been used for a period of time, the surface of the coating machine steel drum needs to be cleaned. At present, the cleaning work is done manually. The coating machine drum is heavy and not easy to carry, which also brings great obstacles to the cleaning work. The cleaning effect is not ideal and also generates a lot of labor costs. Utility Model Content

[0004] One object of the utility model is to provide a device for automatically wiping foreign matter from a steel roller of a coating machine, comprising: a frame, a cloth roll releasing roller and a cloth roll recovering roller connected to the frame, and a contact roller assembly connected to the frame for wiping the steel roller of the coating machine;

[0005] The frame includes two side support frames arranged in opposite directions, and the cloth roll release roller, cloth roll recovery roller and contact roller assembly are arranged between the two side support frames; the device also includes a wiping cloth strip, one end of which is connected to the cloth roll release roller, and the wiping cloth strip is connected to the cloth roll recovery roller after passing through the contact roller assembly;

[0006] The wiping cloth strip is arranged between the coating machine steel drum and the contact roller assembly. The wiping cloth strip and the coating machine steel drum move relative to each other to generate friction and clean foreign matter on the surface of the coating machine steel drum.

[0007] Preferably, the frame is further provided with a cloth strip driver, which is connected to the cloth roll recovery roller and can drive the cloth roll recovery roller to rotate;

[0008] The frame is also provided with a brake, which is connected to the cloth roll releasing roller. The brake can provide a braking force to prevent the cloth roll releasing roller from rotating.

[0009] Preferably, the frame is provided with a contact translation device, and the contact roller assembly is connected to the frame via the contact translation device;

[0010] The contact translation device includes a contact fixed portion fixed to the frame, a contact movable portion connected to the contact roller assembly, and a contact track for limiting the translation direction of the contact movable portion;

[0011] The contact translation device further includes a contact driver for controlling the movement of the contact movable portion.

[0012] Preferably, the frame is further provided with a cloth strip tensioning assembly, which includes two fixed rollers provided on the frame, a movable roller provided between the two fixed rollers, and a tensioning driver provided on the frame for driving the movable roller to translate;

[0013] One end of the wiping cloth strip is connected to the cloth roll release roller, and the wiping cloth strip is connected to the cloth roll recovery roller after passing through the contact roller assembly and the cloth strip tensioning assembly; in the cloth strip tensioning assembly, the wiping cloth strip passes through the fixed roller, the movable roller and another fixed roller in turn, and the movement of the movable roller can adjust the formation of the wiping cloth strip between the cloth roll release roller and the cloth roll recovery roller, thereby tensioning the wiping cloth strip.

[0014] Preferably, the contact roller assembly comprises two cloth strip contact rollers, and the two cloth strip contact rollers are hinged to the contact movable portion;

[0015] In the contact roller assembly, the wiping cloth passes through two cloth contact rollers in sequence, and the contact driver can push the two cloth contact rollers so that the wiping cloth between the two cloth contact rollers contacts the coating machine steel roller.

[0016] Preferably, the frame is further provided with two cloth roll fixing drivers and two connecting pieces, and the two cloth roll fixing drivers are respectively connected to the cloth roll releasing roller and the cloth roll recovering roller through the connecting pieces;

[0017] The cloth roll fixing driver can drive the connecting member to translate along the direction of the axis of the cloth roll releasing roller or the cloth roll recovering roller.

[0018] Preferably, one end of the cloth roll recovery roller is connected to the cloth strip driver and the connection part is provided with a transmission pin; the other end of the cloth roll recovery roller is connected to the cloth roll fixing driver through a connecting piece; the cloth strip driver and the cloth roll fixing driver limit the position of the cloth roll recovery roller.

[0019] Preferably, one end of the cloth roll release roller is connected to the brake and the connecting portion is provided with a transmission pin; the other end of the cloth roll release roller is connected to the cloth roll fixing driver through a connector; the brake and the cloth roll fixing driver limit the position of the cloth roll release roller.

[0020] As described above, the utility model provides a device for automatically wiping foreign matter from the steel roller of a coating machine. A cloth strip is wound around a cloth roll release roller, and the cloth strip is pulled to a position where it can contact the steel roller of the coating machine through a contact roller assembly. The cloth strip is finally wound around a cloth roll recovery roller. When the steel roller of the coating machine is working, the cloth strip moves relative to the cloth strip, generating friction, so that the cloth strip can automatically clean foreign matter from the steel roller of the coating machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be more fully understood through the following detailed description taken in conjunction with the accompanying drawings, in which like elements are numbered in a similar manner, wherein:

[0022] Figure 1 This is a schematic diagram of a device for automatically wiping foreign matter off a steel drum of a coating machine in use according to an embodiment of the utility model;

[0023] Figure 2 This is a cross-sectional view of a device for automatically wiping foreign matter from a steel drum of a coating machine according to an embodiment of the utility model;

[0024] Figure 3 This is an enlarged view of a device for automatically wiping foreign matter off a steel drum of a coating machine according to an embodiment of the present utility model;

[0025] Figure 4 yes Figure 3 A partial enlarged view of point A in the middle;

[0026] Figure 5 yes Figure 3 A partial enlarged view of point B in the middle;

[0027] Figure 6 yes Figure 3 A partial enlarged view of point C in the middle;

[0028] In the figure: cloth roll release roller 11, cloth roll recovery roller 12, coating machine steel drum 13, cloth strip contact roller 14, side support frame 2, wiping cloth strip 3, cloth strip driver 41, brake 42, contact fixed part 51, contact movable part 52, contact driver 53, fixed roller 61, movable roller 62, tensioning driver 63, cloth roll fixing driver 71, connecting part 72, transmission pin 73. DETAILED DESCRIPTION

[0029] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments.

[0030] The coating machine steel roller 13 is a roller used to wind the pole pieces in the production process of lithium batteries. In recent years, the lithium battery new energy industry has developed rapidly. This item is indispensable in the production process of pole pieces and is an important item. During the winding process of the pole pieces, the surface of the roller is easily contaminated with foreign matter and other impurities, which may cause pollution to the pole piece material and easily cause damage to the pole piece material. Therefore, after the coating machine steel roller 13 has been used for a period of time, the surface of the coating machine steel roller 13 needs to be cleaned. At present, the cleaning work is done manually. The coating machine roller is relatively heavy and not easy to carry. It also brings great obstacles to the cleaning work, the cleaning effect is not ideal, and it also generates a lot of labor costs.

[0031] In order to solve the above problems, this embodiment provides a device for automatically wiping foreign matter from the steel roller 13 of the coating machine, comprising: a frame, a cloth roll release roller 11 and a cloth roll recovery roller 12 connected to the frame, and a contact roller assembly connected to the frame for wiping the steel roller 13 of the coating machine;

[0032] The frame includes two side support frames 2 arranged opposite to each other, with a cloth roll release roller 11, a cloth roll recovery roller 12 and a contact roller assembly arranged between the two side support frames 2; the device also includes a wiping cloth strip 3, one end of the wiping cloth strip 3 is connected to the cloth roll release roller 11, and the wiping cloth strip 3 is connected to the cloth roll recovery roller 12 after passing through the contact roller assembly;

[0033] The wiping cloth strip 3 is arranged between the coating machine steel drum 13 and the contact roller assembly. The wiping cloth strip 3 and the coating machine steel drum 13 move relative to each other to generate friction and clean foreign matter on the surface of the coating machine steel drum 13.

[0034] In this embodiment, Figure 1 、 Figure 2 As shown, the side support frame 2 can be a floor-standing bracket or a plate-shaped support device, which supports and fixes other components. The cloth roll release roller 11 and the cloth roll recovery roller 12 are arranged between the two side support frames 2. The ends of the wiping cloth strip 3 are connected to the cloth roll release roller 11 and the cloth roll recovery roller 12 respectively. The fixing method can be a snap connection or a fastener connection. One end of the wiping cloth strip 3 is connected to the cloth roll release roller 11.

[0035] The wiping cloth strip 3 can be a flexible textile that can remove foreign matter from the surface of the coater steel roller 13. The coater steel roller 13 can be installed on the side support frame 2 of this embodiment, or it can be installed on other devices. The device for automatically wiping foreign matter from the coater steel roller 13 is close to the coater steel roller 13 when in use, and the contact roller assembly is in contact with the coater steel roller 13.

[0036] The contact roller assembly can be a roller shaft close to the coater steel roller 13, and the wiping cloth strip 3 is set on this roller shaft. When in use, the coater steel roller 13 and the roller shaft move relative to each other, and foreign objects on the surface of the coater steel roller 13 are cleaned by friction between the coater steel roller 13 and the wiping cloth strip 3.

[0037] Furthermore, a cloth strip driver 41 is provided on the frame, and the cloth strip driver 41 is connected to the cloth roll recovery roller 12, and the cloth strip driver 41 can drive the cloth roll recovery roller 12 to rotate;

[0038] The frame is further provided with a brake 42 , which is connected to the cloth roll releasing roller 11 . The brake 42 can provide a braking force to prevent the cloth roll releasing roller 11 from rotating.

[0039] In this embodiment, the cloth roll release roller 11 is pre-wound with multiple layers of clean cloth strips. When the coating machine steel drum 13 is working, the cloth roll recovery roller 12 rotates continuously or intermittently. The wiping cloth strips 3 in contact with the coating machine steel drum 13 are always clean cloth strips, and the cloth strips with debris are wound on the cloth roll recovery roller 12.

[0040] like Figure 1 、 Figure 3 As shown, the cloth strip driver 41 is a motor or other device capable of providing torque, which is mounted on the side support frame 2. The motor output shaft is connected to the cloth roll recovery roller 12. The motor drives the cloth strip recovery roller to rotate, which pulls the wiping cloth strip 3 and drives the cloth roll release roller 11 to rotate, thereby recovering the cloth strip with debris.

[0041] The brake 42 of this embodiment is a magnetic powder brake. The brake 42 can provide a braking force to stop the cloth roll release roller 11 from rotating, thereby preventing the cloth roll release roller 11 from releasing excess wiping cloth 3 due to inertia.

[0042] Furthermore, the frame is provided with a contact translation device, and the contact roller assembly is connected to the frame via the contact translation device;

[0043] The contact translation device includes a contact fixed portion 51 fixed to the frame, a contact movable portion 52 connected to the contact roller assembly, and a contact track for limiting the translation direction of the contact movable portion 52;

[0044] The contact translation device further includes a contact driver 53 for controlling the movement of the contact movable portion 52 .

[0045] In this embodiment, Figure 2 、 Figure 6 As shown, the contact translation device is used to push the contact roller assembly to move toward the coating machine steel drum 13 and maintain contact with the coating machine steel drum 13.

[0046] The contact driver 53 may be a pneumatic cylinder, an electric cylinder or a linear motor. The contact fixed portion 51 is mounted on the frame via fasteners, and the contact movable portion 52 may be connected to the contact roller assembly via bearings or other structural components.

[0047] Furthermore, the frame is also provided with a cloth strip tensioning assembly, which includes two fixed rollers 61 provided on the frame, a movable roller 62 provided between the two fixed rollers 61, and a tensioning driver 63 provided on the frame for driving the movable roller 62 to translate;

[0048] One end of the wiping cloth strip 3 is connected to the cloth roll release roller 11, and the wiping cloth strip 3 is connected to the cloth roll recovery roller 12 after passing through the contact roller assembly and the cloth strip tensioning assembly; in the cloth strip tensioning assembly, the wiping cloth strip 3 passes through the fixed roller 61, the movable roller 62 and another fixed roller 61 in turn, and the movement of the movable roller 62 can adjust the formation of the wiping cloth strip 3 between the cloth roll release roller 11 and the cloth roll recovery roller 12, thereby tensioning the wiping cloth strip 3.

[0049] The tensioning drive 63 may be a pneumatic cylinder, an electric cylinder or a linear motor.

[0050] In this embodiment, Figure 2 As shown, the cloth strip tensioning assembly is used to keep the wiping cloth strip 3 in a tensioned state when the contact translation device moves. Figure 6 As shown, the movable roller 62 is between the two fixed rollers 61. The fixed roller 61 is used to keep the connection angle between the wiping cloth strip 3 and other components unchanged when the movable roller 62 moves. The movement of the movable roller 62 can pull or loosen the wiping cloth strip 3, thereby adjusting the tension of the wiping cloth strip 3.

[0051] Furthermore, the contact roller assembly includes two cloth strip contact rollers 14 , and the two cloth strip contact rollers 14 are hinged to the contact movable portion 52 ;

[0052] In the contact roller assembly, the wiping cloth strip 3 passes through the two cloth strip contact rollers 14 in sequence, and the contact driver 53 can push the two cloth strip contact rollers 14 so that the wiping cloth strip 3 between the two cloth strip contact rollers 14 contacts the coating machine steel roller 13 .

[0053] In this embodiment, the contact driver 53 may be a cylinder, an electric cylinder or a linear motor. Figure 2 As shown, the two cloth strip contact rollers 14 are parallel to the axis of the coating machine steel drum 13 , the two cloth strip contact rollers 14 do not contact the coating machine steel drum 13 , and the wiping cloth strip 3 between the two cloth strip contact rollers 14 contacts the coating machine steel drum 13 .

[0054] The wiping cloth strip 3 is pressed against the coating machine steel roller 13 by the tensioning force, thereby avoiding the contact with the coating machine steel roller 13 by the rigid contact force.

[0055] Furthermore, the frame is further provided with two cloth roll fixing drivers 71 and two connecting members 72, and the two cloth roll fixing drivers 71 are connected to the cloth roll releasing roller 11 and the cloth roll recovering roller 12 respectively through the connecting members 72;

[0056] The cloth roll fixing driver 71 can drive the connecting member 72 to translate along the direction of the axis of the cloth roll releasing roller 11 or the cloth roll recovering roller 12 .

[0057] In this embodiment, Figure 4As shown, the cloth roll fixing driver 71 can be a cylinder, an electric cylinder or an electromagnet. The cloth roll fixer is used to control the two connecting parts 72 to move along the axis of the cloth roll release roller 11 and the cloth roll recovery roller 12 respectively. The end of the connecting part 72 that contacts the cloth roll release roller 11 and the cloth roll recovery roller 12 can be conical, and the inclined surface can play a positioning role for the cloth roll release roller 11 and the cloth roll recovery roller 12.

[0058] The cloth roll fixing driver 71 can also play the role of quickly replacing the cloth roll releasing roller 11 and the cloth roll recovering roller 12. The wiping cloth strip 3 can be removed for cleaning and replaced with a clean wiping cloth strip 3.

[0059] Furthermore, one end of the cloth roll recovery roller 12 is connected to the cloth strip driver 41 and a transmission pin 73 is provided at the connection part; the other end of the cloth roll recovery roller 12 is connected to the cloth roll fixing driver 71 through a connecting piece 72; the cloth strip driver 41 and the cloth roll fixing driver 71 limit the position of the cloth roll recovery roller 12.

[0060] This embodiment provides a connection method for the cloth roll recovery roller 12 to the frame. One end of the cloth roll recovery roller 12 is connected to the cloth strip driver 41, and the connection portion is provided with a transmission pin 73; the transmission pin is used to transmit torque. The other end of the cloth roll recovery roller 12 is connected to the cloth roll fixed driver 71 via a connector 72. The cloth strip driver 41 and the cloth roll fixed driver 71 control the position of the cloth roll recovery roller 12. The cloth roll fixed driver 71 moves away from the cloth roll recovery roller 12 to remove the cloth roll recovery roller 12.

[0061] Furthermore, one end of the cloth roll release roller 11 is connected to the brake 42 and a transmission pin 73 is provided at the connection portion; the other end of the cloth roll release roller 11 is connected to the cloth roll fixing driver 71 through a connector 72; the brake 42 and the cloth roll fixing driver 71 limit the position of the cloth roll release roller 11.

[0062] This embodiment provides a connection method between the cloth roll release roller 11 and the frame. One end of the cloth roll release roller 11 is connected to the brake 42 and a transmission pin 73 is provided at the connection portion. The transmission pin is used to transmit torque.

[0063] The transmission pin 73 passes through the connection portion between the cloth roll releasing roller and the brake, thereby transmitting the torque.

[0064] The device for automatically wiping foreign matter from the coating machine steel drum 13 plays a good cleaning job during use, saving a lot of labor costs. For example, in a coating machine drum cleaning process, two people perform wiping activities, and the work of 3 days is only used in less than 1 day by using this mechanism.

Claims

1. A device for automatically wiping foreign matter off the steel roller of a coating machine, characterized in that: include: A frame, a cloth roll releasing roller and a cloth roll recovering roller connected to the frame, and a contact roller assembly connected to the frame for wiping the steel roller of the coating machine; The frame includes two side support frames arranged opposite to each other, and the cloth roll release roller, the cloth roll recovery roller and the contact roller assembly are arranged between the two side support frames; the device also includes a wiping cloth strip, one end of which is connected to the cloth roll release roller, and the wiping cloth strip is connected to the cloth roll recovery roller after passing through the contact roller assembly; The wiping cloth strip is arranged between the coating machine steel roller and the contact roller assembly. The wiping cloth strip and the coating machine steel roller move relative to each other to generate friction and clean foreign matter on the surface of the coating machine steel roller.

2. The device for automatically wiping foreign matter off the steel roller of a coating machine according to claim 1, characterized in that: The frame is also provided with a cloth strip driver, which is connected to the cloth roll recovery roller and can drive the cloth roll recovery roller to rotate; The frame is also provided with a brake, which is connected with the cloth roll releasing roller, and can provide a braking force to prevent the cloth roll releasing roller from rotating.

3. A device for automatically wiping foreign matter off a steel roller of a coating machine according to claim 1 or 2, characterized in that: The frame is provided with a contact translation device, and the contact roller assembly is connected to the frame through the contact translation device; The contact translation device comprises a contact fixed part fixed to the frame, a contact movable part connected to the contact roller assembly, and a contact track for limiting the translation direction of the contact movable part; The contact translation device further comprises a contact driver for controlling the movement of the contact movable part.

4. The device for automatically wiping foreign matter off the steel roller of a coating machine according to claim 3 is characterized in that: The frame is also provided with a cloth strip tensioning assembly, which includes two fixed rollers arranged on the frame, a movable roller arranged between the two fixed rollers, and a tensioning driver arranged on the frame for driving the movable roller to translate; One end of the wiping cloth strip is connected to the cloth roll releasing roller, and the wiping cloth strip is connected to the cloth roll recovering roller after passing through the contact roller assembly and the cloth strip tensioning assembly; in the cloth strip tensioning assembly, the wiping cloth strip passes through the fixed roller, the movable roller and another fixed roller in sequence, and the movement of the movable roller can adjust the formation of the wiping cloth strip between the cloth roll releasing roller and the cloth roll recovering roller, thereby tensioning the wiping cloth strip.

5. The device for automatically wiping foreign matter off the steel roller of a coating machine according to claim 3 is characterized in that: The contact roller assembly comprises two cloth strip contact rollers, and the two cloth strip contact rollers are hinged to the contact movable part; In the contact roller assembly, the wiping cloth strip passes through two cloth strip contact rollers in sequence, and the contact driver can push the two cloth strip contact rollers to make the wiping cloth strip between the two cloth strip contact rollers contact the coating machine steel roller.

6. The device for automatically wiping foreign matter off the steel roller of a coating machine according to claim 1, characterized in that: The frame is also provided with two cloth roll fixing drivers and two connecting pieces, and the two cloth roll fixing drivers are respectively connected to the cloth roll releasing roller and the cloth roll recovering roller through the connecting pieces; The cloth roll fixing driver can drive the connecting member to translate along the direction where the axis of the cloth roll releasing roller or the cloth roll recovering roller is located.

7. The device for automatically wiping foreign matter off the steel roller of a coating machine according to claim 6, characterized in that: One end of the cloth roll recovery roller is connected to the cloth strip driver and a transmission pin is provided at the connection part; the other end of the cloth roll recovery roller is connected to the cloth roll fixing driver through a connecting piece; the cloth strip driver and the cloth roll fixing driver limit the position of the cloth roll recovery roller.

8. The device for automatically wiping foreign matter off the steel roller of a coating machine according to claim 6, characterized in that: One end of the cloth roll release roller is connected to the brake and a driving pin is arranged on the connection part; the other end of the cloth roll release roller is connected to the cloth roll fixing driver through a connecting piece; the brake and the cloth roll fixing driver limit the position of the cloth roll release roller.

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