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CN-224222096-U - Film forming equipment for dry battery

CN224222096UCN 224222096 UCN224222096 UCN 224222096UCN-224222096-U

Abstract

The utility model discloses dry battery film forming equipment which comprises an equipment main body, wherein the equipment main body comprises two press rolls, the two press rolls are arranged at intervals, an operation gap is formed between the two press rolls, the operation gap is used for allowing a material to be extruded to pass through, one sides of the two press rolls, which are away from the operation gap, are respectively provided with a cleaning mechanism, each cleaning mechanism comprises a brush body, a liquid sprayer and a cleaning roller, the brush bodies, the liquid sprayer and the cleaning rollers are sequentially arranged along the rotating direction of the press rolls, the brush bodies are used for primarily removing impurities of the operation surfaces of the press rolls, the liquid sprayer is used for spraying cleaning liquid on the operation surfaces of the press rolls for primarily removing the impurities, and the cleaning rollers are used for cleaning the cleaning liquid on the operation surfaces of the press rolls again. According to the technical scheme provided by the utility model, impurities with lower adhesion degree are removed from the brush body, and then the cleaning liquid is sprayed by the liquid sprayer, so that the cleaning roller can thoroughly clean the press roller, the surface of the press roller is kept clean when the press roller extrudes materials in a working gap, and the quality of a subsequent film is effectively ensured.

Inventors

  • LIU FANGYANG
  • HONG DONGSHENG
  • JING SHENGHAO
  • ZHANG WEI
  • CHEN WUJIE

Assignees

  • 中南大学

Dates

Publication Date
20260512
Application Date
20250603

Claims (6)

  1. 1. The dry battery film forming equipment is characterized by comprising an equipment main body, wherein the equipment main body comprises two press rolls, the two press rolls are arranged at intervals, an operation gap is formed between the two press rolls, the operation gap is used for allowing a material to be extruded to pass through, one sides of the two press rolls, which are away from the operation gap, are respectively provided with a cleaning mechanism, the cleaning mechanisms comprise a brush body, a liquid sprayer and a cleaning roller, the brush body, the liquid sprayer and the cleaning roller are sequentially arranged along the rotation direction of the press rolls, the brush body is used for primarily removing impurities of the operation surface of the press rolls, the liquid sprayer is used for spraying cleaning liquid on the operation surface of the press rolls, and the cleaning roller is used for removing the cleaning liquid on the operation surface of the press rolls and is used for secondarily cleaning impurities; The brush body comprises a brush head, a connecting rod, a mounting seat and a base, wherein one end of the connecting rod is connected with the brush head, and the other end of the connecting rod is connected with the mounting seat; the base is fixed on one side of the press roller, which is away from the working gap, the mounting seat is hinged with the base through a rotating shaft, and the axial direction of the rotating shaft is parallel to the axial direction of the press roller; The fixing mechanism comprises a top plate and a bottom plate, wherein the top plate and the bottom plate are arranged at intervals along the vertical direction, an adjusting space is formed between the top plate and the bottom plate, the installation seat is positioned in the adjusting space, the top plate is provided with an adjuster, the adjuster is in driving connection with the base, a spring seat is arranged on one side of the bottom plate, facing the top plate, and the spring seat is abutted against the installation seat.
  2. 2. The dry battery film forming equipment according to claim 1, wherein the top plate is provided with a threaded through hole along the thickness of the plate, the adjuster comprises a handle, a screw rod and a pressing block, the handle is arranged on one side of the top plate, which is away from the adjusting space, the pressing block is arranged on one side of the top plate, which faces the mounting seat, the pressing block is abutted against the mounting seat, one end of the screw rod is connected with the handle, and the other end of the screw rod is connected with the threaded through hole in a threaded manner and penetrates into the adjusting space to be connected with the pressing block.
  3. 3. The dry battery film forming apparatus according to claim 1, wherein the spring seat comprises a support block and an elastic spring, the support block is located on a side of the bottom plate facing the mounting base, the elastic spring is located between the support block and the bottom plate, one end of the elastic spring is connected with the support block, and the other end of the elastic spring is connected with the bottom plate.
  4. 4. A dry process battery film forming device according to any one of claims 1 to 3, wherein a mounting hole is formed in a side of the mounting seat facing the brush head, an electric control telescopic rod is fixedly arranged in the mounting hole, and an output end of the electric control telescopic rod is in driving connection with one end of the connecting rod, which is far away from the brush body.
  5. 5. A dry cell film forming apparatus according to any one of claims 1 to 3, wherein the cleaning mechanism further comprises a negative pressure machine and a suction pipe, one end of the suction pipe is communicated with the negative pressure machine, the other end of the suction pipe is arranged close to the brush body, and one end of the suction pipe away from the negative pressure machine is positioned on one side of the brush body away from the liquid sprayer.
  6. 6. A film forming apparatus for a dry battery according to any one of claims 1 to 3, wherein the cleaning roller comprises a roller body and a cleaning sleeve detachably provided on a side of the roller body facing the press roller working surface.

Description

Film forming equipment for dry battery Technical Field The utility model relates to the technical field of battery roll forming film, in particular to film forming equipment for a dry battery. Background Lithium batteries are increasingly used in consumer electronics, electric vehicles, and energy storage applications due to their high energy density and long cycle life. In the dry process, the solvent is not needed, the battery raw material is in a powder state, and the lithium ion battery pole piece film can be prepared by adding the adhesive into the powder and pressing the battery raw material powder and the positive pole current collector or the negative pole current collector together by using extrusion equipment. The existing dry pole piece film of the lithium battery is processed by adopting rolling processing equipment, in the processing process, impurities such as fibers, material particles and the like are easy to adhere to the outer surface of a pressing roller, and residual impurities can influence the quality of the subsequent pole piece film (for example, the surface of the pole piece film is provided with indentations and even broken situations). Disclosure of utility model The utility model mainly aims to provide dry battery film forming equipment, which aims to solve the problems that impurities such as fibers and material particles are easy to adhere to the outer surface of a press roller. In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: The dry battery film forming equipment comprises an equipment main body, wherein the equipment main body comprises two press rolls, the two press rolls are arranged at intervals, an operation gap is formed between the two press rolls, the operation gap is used for allowing materials to be extruded to pass through, one sides of the two press rolls, which are away from the operation gap, are respectively provided with a cleaning mechanism, each cleaning mechanism comprises a brush body, a liquid sprayer and a cleaning roller, the brush bodies, the liquid sprayers and the cleaning rollers are sequentially arranged along the rotating direction of the press rolls, the brush bodies are used for primarily removing impurities of the operation surfaces of the press rolls, the liquid sprayers are used for spraying cleaning liquid to the operation surfaces of the press rolls, which are used for primarily removing the impurities, and the cleaning rollers are used for cleaning the cleaning liquid of the operation surfaces of the press rolls, so as to perform secondary impurity cleaning. Preferably, the brush body comprises a brush head, a connecting rod, a mounting seat and a base, wherein one end of the connecting rod is connected with the brush head, the other end of the connecting rod is connected with the mounting seat, the base is fixed on one side of the press roller, which is away from the working gap, the mounting seat is hinged with the base through a rotating shaft, the axial direction of the rotating shaft is parallel to the axial direction of the press roller, and the base is provided with a fixing mechanism used for fixing the relative positions of the mounting seat and the base. Preferably, the fixing mechanism comprises a top plate and a bottom plate, wherein the top plate and the bottom plate are arranged at intervals in the vertical direction, an adjusting space is formed between the top plate and the bottom plate, the installation seat is positioned in the adjusting space, the top plate is provided with an adjuster, the adjuster is in driving connection with the base, one side of the bottom plate, facing the top plate, is provided with a spring seat, and the spring seat is abutted against the installation seat. The adjuster comprises a handle, a screw rod and a pressing block, wherein the handle is arranged on one side of the top plate, which is away from the adjusting space, the pressing block is arranged on one side of the top plate, which faces the mounting seat, and the pressing block is abutted to the mounting seat, one end of the screw rod is connected with the handle, and the other end of the screw rod is connected with the screw through hole in a threaded manner and penetrates into the adjusting space to be connected with the pressing block. Preferably, the spring seat comprises a supporting block and an elastic spring, the supporting block is positioned on one side of the bottom plate facing the mounting seat, the elastic spring is positioned between the supporting block and the bottom plate, one end of the elastic spring is connected with the supporting block, and the other end of the elastic spring is connected with the bottom plate. Preferably, the mounting seat is provided with a mounting hole facing one side of the brush head, an electric control telescopic rod is fixedly arranged in the mounting hole, and the output end of the electric control telescopic rod is in driving connecti