A new type of automatic cleaning device for calendering roll of graphite

Abstract

The utility model provides a novel graphite calender roll automatic cleaning device, including silica gel dust sticking roll unit, transparent adhesive tape dust sticking material receiving and releasing unit and control unit, silica gel dust sticking roll unit contains silica gel dust sticking roll, support and the lifting mechanism that is composed of dust sticking roll lifting cylinder and linear slide rail, the support is connected with linear slide rail through sliding block, can realize silica gel dust sticking roll along slide rail steady lifting to stick or separate from calender roll, transparent adhesive tape dust sticking material receiving and releasing unit includes feeding inflatable shaft, material receiving inflatable shaft, adhesive tape lifting cylinder, guide linear guide rail and transparent adhesive tape dust sticking roll, and the feeding inflatable shaft is used for installing dust sticking adhesive tape roll, and the material receiving inflatable shaft is driven by servo motor, and the control unit adopts PLC controller, and the built -in time relay has the meter calculation function, can control each cylinder and servo motor action. The device can replace artificial cleaning, reduce labor intensity and work injury, fire risk, guarantee calender equipment continuous operation, promote calender roll cleaning consistency and graphite film appearance quality.

Description

Technical Field

[0001] This utility model relates to the technical field of calender roll cleaning devices, and in particular to a novel automatic cleaning device for graphite calender rolls. Background Technology

[0002] In the industrial preparation process of artificially synthesized graphite films, three core processes are required in sequence: high-temperature carbonization, ultra-high-temperature graphitization, and calendering. First, high-performance PI film is used as the initial raw material. The PI film undergoes a deep pyrolysis reaction through high-temperature carbonization. Non-carbon elements such as hydrogen, oxygen, and nitrogen are gradually released during the pyrolysis process, eventually forming a carbonized film with a disordered layer structure. Subsequently, the carbonized film enters an ultra-high-temperature graphitization furnace at 2500-3000℃. At this temperature, carbon atoms gain enormous kinetic energy and undergo violent rearrangement and structural reorganization. The disordered layer structure gradually transforms into a highly ordered graphite crystal structure, ultimately generating a graphite film with significantly increased graphite crystal size, regular layer stacking, and an overall foamed and fluffy state. In order to give the graphite film ultra-high thermal conductivity, excellent flexibility, and ensure a smooth surface to meet the requirements of subsequent die-cutting processing, the fluffy graphite film needs to be fed between a pair of smooth steel calendering rolls for calendering.

[0003] However, during the calendering process, the loose structure of the graphite film easily generates a large amount of graphite dust and graphite debris, which continuously adhere to the surface of the calendering rolls. If the impurities on the surface of the calendering rolls are not cleaned in time, the adhered graphite dust and debris will be directly imprinted onto the surface of the graphite film in subsequent calendering operations, causing defects such as appearance damage and dents, seriously affecting the quality stability of the product. The current industry solution to this problem is intermittent manual cleaning, whereby calendering operators must use a lint-free cloth soaked in alcohol to continuously wipe the calendering rolls while they are in operation. This cleaning method has several insurmountable drawbacks: Firstly, manual wiping requires frequent interruptions to the calendering process to avoid operator injury, preventing continuous operation of the calendering equipment and significantly reducing machine efficiency. Secondly, alcohol, being flammable, poses a significant fire risk when used near high-temperature calendering equipment, and operators are in close contact with the high-speed rotating calendering rolls, greatly increasing the risk of hand injuries from being pinched or abraded by the rolls, highlighting significant safety hazards. Furthermore, the force and frequency of manual wiping are greatly affected by the operator's habits and physical condition, making it impossible to guarantee uniform cleanliness of the calendering roll surface; some areas may still retain dust and impurities, making it difficult to effectively control the appearance defect rate of the graphite film. In addition, the calendering process needs to be continuous, requiring operators to maintain a wiping motion with a lint-free cloth for extended periods, easily leading to hand muscle fatigue and high labor intensity. In summary, existing manual cleaning methods cannot meet the comprehensive requirements of efficiency, safety, and quality for large-scale production of synthetic graphite films, making the development of an automated calendering roll cleaning technology that can replace manual labor an urgent need in the industry. Utility Model Content

[0004] This invention provides a novel automatic cleaning device for graphite calendering rolls to address the deficiencies in existing technologies.

[0005] This utility model provides a novel automatic cleaning device for graphite calendering rolls, including a silicone dust-adhesive roller unit, a transparent tape dust-adhesive collection and dispensing unit, and a control unit;

[0006] The silicone adhesive roller unit includes a silicone adhesive roller, a support, and a lifting mechanism. The lifting mechanism consists of an adhesive roller lifting cylinder and a linear slide rail. The piston rod of the adhesive roller lifting cylinder is hinged to the support, so that the adhesive roller lifting cylinder drives the silicone adhesive roller to move in a straight line along the linear slide rail. The silicone adhesive roller is positioned above the calendering roller and contacts the surface of the calendering roller during operation.

[0007] The transparent tape dust collection and unloading unit includes a feeding air shaft, a receiving air shaft, a tape lifting cylinder, a guide linear rail, and a transparent tape dust collection roller. The feeding air shaft is used to mount the dust collection tape to be used, and the receiving air shaft is used to rewind the used dust collection tape. The transparent tape dust collection roller is mounted on a mounting base, and the dust collection tape passes around the transparent tape dust collection roller to define and guide the transmission path of the dust collection tape. The piston rod of the tape lifting cylinder is hinged to the mounting base to drive the transparent tape dust collection roller to move smoothly up and down along the guide linear rail.

[0008] The control unit is electrically connected to the dust roller lifting cylinder and the tape lifting cylinder via a PLC controller. The control unit has a built-in time relay to realize the time control function and is equipped with a meter calculation function.

[0009] According to the present invention, a novel automatic cleaning device for graphite calendering rolls is provided, wherein the feeding air shaft and the receiving air shaft are driven by servo motors.

[0010] According to the present invention, an automatic cleaning device for graphite calendering rolls is provided, wherein the control unit is electrically connected to the servo motor; one end of the take-up air shaft is connected to the output shaft of the servo motor, and the control unit controls the rotation speed of the servo motor so that the winding speed of the take-up air shaft matches the unwinding speed of the feeding air shaft in real time, ensuring that the adhesive tape is always in a taut state during transmission.

[0011] According to the present invention, a novel automatic cleaning device for graphite calendering rollers is provided, wherein the bracket in the silicone dust-adhesive roller unit is fixedly connected to a slider slidably disposed on the linear slide rail, so that the bracket can slide up and down along the linear slide rail via the slider.

[0012] According to the present invention, a novel automatic cleaning device for graphite calendering rollers is provided, wherein the mounting base in the transparent tape dust collection and dispensing unit is fixedly connected by a slider slidably disposed on a guide linear slide rail, so that the transparent tape dust collection roller disposed on it slides along the guide linear slide rail.

[0013] This utility model provides a novel automatic cleaning device for graphite calendering rolls. The entire cleaning process requires no manual intervention. The removal of impurities from the calendering roll surface by the silicone adhesive roller, the cleaning action of the silicone adhesive roller by the transparent tape, and the linkage and switching between various functional components are all automatically controlled by the control unit. This completely replaces the traditional manual alcohol wiping operation, which not only significantly reduces the physical labor intensity of operators but also fundamentally eliminates multiple safety hazards. The elimination of alcohol avoids the fire risk posed by flammable materials, and the fact that operators do not need to approach the operating calendering rolls completely eliminates the occurrence of work-related injuries such as hand pinches and abrasions, significantly improving the safety of the production process. The control unit can precisely set the dust-adhesive time or number of dust-adhesive rolls of the silicone dust-adhesive roller according to the actual rhythm of the calendering process. At the same time, it can flexibly adjust the cleaning time of the transparent tape. The cleaning action is completed by the cylinder-driven linkage of various components within the preset time period without interrupting the normal calendering process, so that the calendering equipment can maintain continuous and stable operation. Compared with the manual cleaning method that is frequently interrupted, the machine's production efficiency is improved. Meanwhile, the silicone dust-adhesive roller achieves precise contact with the calendering roller through the lifting mechanism, ensuring the stability of dust transfer efficiency. The transparent tape dust-adhesive collection and unloading unit is driven by a servo motor to drive the collection air shaft. The control unit can adjust the speed of the servo motor in real time to keep the winding speed of the collection air shaft and the unwinding speed of the feeding air shaft dynamically matched, ensuring that the dust-adhesive tape is always in a taut state during the transmission process, which can thoroughly remove residual impurities on the silicone dust-adhesive roller and effectively avoid secondary pollution. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of the novel automatic cleaning device for graphite calendering rolls provided in this embodiment of the utility model;

[0016] Figure 2 This is a front view of the novel automatic cleaning device for graphite calendering rolls provided in this embodiment of the utility model;

[0017] Figure 3 This is a side view of the novel automatic cleaning device for graphite calendering rolls provided in this embodiment of the utility model. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] This application provides a novel automatic cleaning device for graphite calendering rolls, including a silicone dust-adhesive roller unit 1, a transparent tape dust-adhesive collection and dispensing unit 2, and a control unit;

[0023] The silicone adhesive roller unit 1 includes a silicone adhesive roller 11, a support 12, and a lifting mechanism. The lifting mechanism consists of an adhesive roller lifting cylinder 13 and a linear slide rail 14. The piston rod of the adhesive roller lifting cylinder 13 is hinged to the support 12, so that the adhesive roller lifting cylinder 13 drives the silicone adhesive roller 11 to move vertically along the linear slide rail. The silicone adhesive roller 11 is disposed above the calendering roller and contacts the surface of the calendering roller during operation.

[0024] The transparent tape dust collection and unloading unit 2 includes a feeding air shaft 21, a receiving air shaft 22, a tape lifting cylinder 23, a guide linear rail 24, and a transparent tape dust collection roller 25. The feeding air shaft 21 is used to mount the dust collection tape 26 to be used, and the receiving air shaft 22 is used to rewind the used dust collection tape 26. The transparent tape dust collection roller 25 is mounted on a mounting base, and the dust collection tape 26 passes around the transparent tape dust collection roller 25 to define and guide the transmission path of the dust collection tape 26. The piston rod of the tape lifting cylinder 23 is hinged to the mounting base to drive the transparent tape dust collection roller 25 to rise and fall smoothly along the guide linear rail 24.

[0025] The control unit is electrically connected to the dust roller lifting cylinder 13 and the tape lifting cylinder 23 via a PLC controller. The control unit has a built-in time relay to realize the time control function and is equipped with a meter calculation function.

[0026] To further optimize the above technical solution, the feeding air shaft 21 and the take-up air shaft 22 are driven by a servo motor 27. The control unit is electrically connected to the servo motor 27; one end of the take-up air shaft 22 is connected to the output shaft of the servo motor 27, and the control unit controls the rotation speed of the servo motor 27 so that the winding speed of the take-up air shaft 22 matches the unwinding speed of the feeding air shaft 21 in real time, ensuring that the adhesive tape 26 is always taut during transmission.

[0027] To further optimize the above technical solution, the bracket 12 in the silicone adhesive roller unit 1 is fixedly connected to the slider slidably disposed on the linear slide rail 14, allowing the bracket 12 to slide up and down along the linear slide rail 14 via the slider. In the transparent tape adhesive collection and dispensing unit 2, the mounting base is fixedly connected to the guide linear slide rail 24 via a slider slidably disposed on the guide linear slide rail 24, allowing the transparent tape adhesive roller 25 mounted on it to slide along the guide linear slide rail 24.

[0028] Working principle: The dust-adhesive roller lifting cylinder 13 and the tape lifting cylinder 23 control the lifting and lowering of the silicone dust-adhesive roller 11 and the dust-adhesive tape 26 respectively. The two cylinders work together: when the silicone dust-adhesive roller 11 is working, its corresponding dust-adhesive roller lifting cylinder 13 moves downward, so that the silicone dust-adhesive roller 11 sticks to the calendering roller to stick dust; then the silicone dust-adhesive roller 11 rises, the tape descends and wraps around the dust-adhesive roller, and the dust is transferred to the tape.

[0029] When the control unit determines that cleaning is required based on a preset time period or the material transfer distance calculated by the encoder, it controls the dust-adhesive roller lifting cylinder 13 and the tape lifting cylinder 23 to drive the silicone dust-adhesive roller 11 to rise, and controls the transparent tape dust-adhesive roller 25 to drive the dust-adhesive tape 26 to fall. At the same time, it controls the feeding air shaft 21 of the transparent tape dust collection and unloading unit 2 to release the dust-adhesive tape, and the receiving air shaft 22 to simultaneously rewind the tape, so that the dust-adhesive tape 26 is tightly attached to the outer surface of the silicone dust-adhesive roller 11 to remove dust. After cleaning, the control unit controls the reversal of the dust-adhesive roller lifting cylinder 13 to drive the silicone dust-adhesive roller 11 to return to the calender roller surface to continue working. At the same time, it controls the driving components of the feeding air shaft 21 and the receiving air shaft 22, and the tape lifting cylinder 23 retracts to drive the transparent tape dust-adhesive roller 25 to rise with the tape and enter a standby state, waiting for the next cleaning.

[0030] The time for the silicone dust-adhesive roller 11 to adhere to and transfer dust is controllable. The two function times, namely the rotation speed of the dust-adhesive roller, can be adjusted by the control system. For example, when adhering to dust, the silicone dust-adhesive roller 11 can be set to rotate 100 times, and when transferring dust, the silicone dust-adhesive roller 11 can be set to rotate 5 times.

[0031] Therefore, the novel automatic cleaning device for graphite calendering rolls provided by this utility model requires no manual intervention throughout the cleaning process. The action of the silicone dust-adhesive roller to remove impurities from the surface of the calendering roll, the action of the transparent tape to clean the silicone dust-adhesive roller, and the linkage and switching between various functional components are all automatically controlled by the control unit. This completely replaces the traditional manual alcohol wiping operation, which not only greatly reduces the physical labor intensity of the operators, but also fundamentally eliminates multiple safety hazards. The elimination of the need to use alcohol avoids the fire risk caused by flammable materials, and the fact that operators do not need to approach the running calendering rolls completely eliminates the occurrence of work-related injuries such as hand pinching and abrasions, significantly improving the safety of the production process.

[0032] The control unit can precisely set the dust-adhesive time or number of dust-adhesive rolls of the silicone dust-adhesive roller according to the actual rhythm of the calendering process. At the same time, it can flexibly adjust the cleaning time of the transparent tape. The cleaning action is completed by the cylinder-driven linkage of various components within the preset time period without interrupting the normal calendering process, so that the calendering equipment can maintain continuous and stable operation. Compared with the manual cleaning method that is frequently interrupted, the machine's production efficiency is improved. Meanwhile, the silicone dust-adhesive roller achieves precise contact with the calendering roller through the lifting mechanism, ensuring the stability of dust transfer efficiency. The transparent tape dust-adhesive collection and unloading unit is driven by a servo motor to drive the collection air shaft. The control unit can adjust the speed of the servo motor in real time to keep the winding speed of the collection air shaft and the unwinding speed of the feeding air shaft dynamically matched, ensuring that the dust-adhesive tape is always in a taut state during the transmission process, which can thoroughly remove residual impurities on the silicone dust-adhesive roller and effectively avoid secondary pollution.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A novel automatic cleaning device for graphite calendering rolls, characterized in that, Includes a silicone adhesive roller unit, a transparent tape adhesive collection and dispensing unit, and a control unit; The silicone adhesive roller unit includes a silicone adhesive roller, a bracket, and a lifting mechanism. The lifting mechanism consists of an adhesive roller lifting cylinder and a linear slide rail. The piston rod of the adhesive roller lifting cylinder is hinged to the bracket, so that the adhesive roller lifting cylinder drives the silicone adhesive roller to move vertically along the linear slide rail. The transparent tape dust collection and unloading unit includes a feeding air shaft, a receiving air shaft, a tape lifting cylinder, a guide linear rail, and a transparent tape dust collection roller. The feeding air shaft is used to mount the dust collection tape to be used, and the receiving air shaft is used to rewind the used dust collection tape. The transparent tape dust collection roller is mounted on a mounting base, and the dust collection tape passes around the transparent tape dust collection roller to define and guide the transmission path of the dust collection tape. The piston rod of the tape lifting cylinder is hinged to the mounting base to drive the transparent tape dust collection roller to move smoothly up and down along the guide linear rail. The control unit is electrically connected to the dust roller lifting cylinder and the tape lifting cylinder via a PLC controller. The control unit has a built-in time relay to realize the time control function and is equipped with a meter calculation function.

2. The novel automatic cleaning device for graphite calendering rolls according to claim 1, characterized in that, The feeding air shaft and the receiving air shaft are driven by servo motors.

3. The novel automatic cleaning device for graphite calendering rolls according to claim 2, characterized in that, The control unit is electrically connected to the servo motor; one end of the take-up air shaft is connected to the output shaft of the servo motor, and the control unit controls the speed of the servo motor so that the winding speed of the take-up air shaft matches the unwinding speed of the feeding air shaft in real time, ensuring that the adhesive tape is always in a taut state during transmission.

4. The novel automatic cleaning device for graphite calendering rolls according to claim 1, characterized in that, In the silicone adhesive roller unit, the bracket is fixedly connected to the slider that is slidably disposed on the linear slide rail, so that the bracket can slide up and down along the linear slide rail via the slider.

5. The novel automatic cleaning device for graphite calendering rolls according to claim 1, characterized in that, In the transparent tape dust collection and dispensing unit, the mounting base is fixedly connected by a slider that is slidably set on a guide linear slide rail, so that the transparent tape dust roller set on it slides along the guide linear slide rail.

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