Graphene film cleaning device

Abstract

The utility model discloses a graphene film cleaning device, which belongs to the related technical field of graphene materials and comprises a cleaning box, a drying box and a continuous feeding and winding assembly. The cleaning box is provided with a corresponding containing cavity, one end is a feeding end, and the other end is a discharging end and connected with the drying box. The drying box is provided with a corresponding containing cavity, one end of the drying box is a feeding end connected with the discharging end of the cleaning box, and the other end of the drying box is a discharging end. The continuous feeding and winding assembly is arranged in the cleaning box and the drying box in the feeding and discharging direction, a supporting and limiting channel for feeding and discharging is formed, corresponding discharging operation is conducted at the feeding end of the cleaning box, corresponding winding operation is conducted at the discharging end of the drying box, and continuous feeding and discharging can be conducted for cleaning and drying. Residual impurities on the surface of the cleaning roller can be scraped off, the cleaning effect is guaranteed, water is drained before feeding and drying, and the follow-up drying efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to graphene materials, and in particular relates to a graphene film cleaning device. Background Art

[0002] As a new technological material, graphene has excellent mechanical properties such as great mechanical strength, elasticity, gas impermeability, high transparency and thermal conductivity. Many research institutions have invested a lot of money and manpower to study its possible applications.

[0003] In the production process of graphene film, it is usually necessary to clean the processed graphene film. However, in the prior art, the graphene film is immersed in a cleaning solution and cleaned with a cleaning roller. After a long time, impurities remain on the surface of the cleaning roller, resulting in incomplete cleaning. In addition, the cleaned graphene film is directly put into a drying box for drying, and more moisture is retained on the surface, so the direct drying efficiency is not high. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a graphene film cleaning device, which can continuously feed and discharge materials for cleaning and drying, can scrape off residual impurities on the surface of the cleaning roller to ensure the cleaning effect, and drain before feeding and drying to improve the efficiency of subsequent drying.

[0005] The technical solution adopted by the utility model is as follows: a graphene film cleaning device, comprising a cleaning box, a drying box and a continuous feeding and winding assembly; the cleaning box has a corresponding accommodating chamber, one end of which is a feeding end, and the other end is a discharging end and is connected to the drying box; the drying box has a corresponding accommodating chamber, one end of which is a feeding end connected to the discharging end of the cleaning box, and the other end is a discharging end; the continuous feeding and winding assembly is arranged in the cleaning box and the drying box along the feeding and discharging direction to form a supporting and limiting channel for feeding and discharging, and corresponding unloading operations are performed at the feeding end of the cleaning box and corresponding winding operations are performed at the discharging end of the drying box.

[0006] Furthermore, the continuous feeding and winding assembly includes a cleaning unit, which includes at least one pair of cleaning rollers rotatably mounted between the inner walls of the cleaning box on both sides of the feeding and discharging direction, and a predetermined gap is provided between the two pairs of cleaning rollers to form a cleaning channel for the graphene film to pass through; the feeding adjustment unit includes at least one pair of support rollers rotatably mounted between the inner walls of the cleaning box on both sides of the feeding and discharging direction, and located above the cleaning operation area of ​​the cleaning box, for guiding the graphene film into the drying box; the staggered support unit includes at least two staggered guide rollers rotatably mounted between the inner walls of the drying box on both sides of the feeding and discharging direction.

[0007] Furthermore, air supply chambers are respectively arranged on both sides of the material inlet and outlet directions in the drying box, for feeding materials from both sides of the material inlet and outlet to the support and limiting channel located in the drying box, and the two air supply chambers are respectively located above and below the support and limiting channel.

[0008] Furthermore, the cleaning unit further comprises a scraping strip fixed between two inner walls of the cleaning box, the scraping strip corresponding to the cleaning roller one by one, and attached to the side wall of the cleaning roller along the central axis direction of the cleaning roller.

[0009] Furthermore, a connection port is provided at the connection between the cleaning box and the drying box, a pair of limiting rollers are installed at the connection port, and a predetermined gap is set between the two limiting rollers.

[0010] Furthermore, a discharge port is provided at the discharge end of the drying box, and the top wall and the bottom wall of the discharge port are both arc-shaped and convex.

[0011] Furthermore, a winding unit is provided at the discharge end of the drying box, the winding unit is connected to the winding drive, and a discharge roller is provided at the feed end of the cleaning box.

[0012] After adopting the above structure, the utility model has the following beneficial effects:

[0013] (1) Through the cleaning unit, the cleaning roller can be used to clean both sides of the graphene film while entering the cleaning box. In addition, when the cleaning roller rotates, the side wall contacts the scraping strip to scrape away impurities, thereby ensuring the cleaning effect of the cleaning roller;

[0014] (2) By adjusting the feeding unit, the graphene membrane is pulled out of the cleaning water body, drained from the top, and rolled to wipe off the surface moisture before entering the drying box for drying. In addition, through the two air supply chambers, hot air is transmitted from the top and bottom of the graphene membrane respectively, thereby improving the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 This is a schematic diagram of the overall structure of a graphene film cleaning device proposed in the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a graphene film cleaning device proposed in the utility model;

[0018] Figure 3 This is a half-section view of a graphene film cleaning device proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the position distribution of the air supply chamber and the guide roller of a graphene film cleaning device proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of the overall structure from another angle of a graphene film cleaning device proposed in the utility model.

[0021] In the attached drawings: 1. cleaning box, 2. drying box, 3. cleaning roller, 4. supporting roller, 5. guiding roller, 6. air supply chamber, 7. scraping strip, 8. limiting roller, 9. discharging port, 10. winding unit, 11. unwinding roller. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] like Figure 1-5 As shown, a graphene film cleaning device includes a cleaning box 1, a drying box 2 and a continuous feeding and winding assembly; the continuous feeding and winding assembly is arranged in the cleaning box 1 and the drying box 2 along the feeding and discharging direction, and includes a cleaning unit, an adjusting feeding unit and a dislocation support unit to form a support and limiting channel for feeding and discharging, and the corresponding unloading operation is performed at the feeding end of the cleaning box 1 and the corresponding winding operation is performed at the discharging end of the drying box 2. The cleaning box 1 is connected to the drying box 2 to form a whole, and a support leg is arranged at the bottom to lift the whole device to a certain height.

[0025] In some preferred embodiments, the cleaning box 1 has a corresponding accommodating chamber, one end of which is a feeding end, and the other end is a discharging end and is connected to the drying box 2; here, preferably, a supporting upper plate is provided at the feeding end of the cleaning box 1, and a discharging roller 11 is mounted on the supporting upper plate, and a graphene film is wound around the discharging roller 11, and the discharging can be carried out when the discharging roller 11 rotates; a connecting port is provided at the connection between the cleaning box 1 and the drying box 2, and a pair of limiting rollers 8 are installed at the connecting port, and a predetermined gap is set between the two limiting rollers 8, so that the graphene film can enter the drying box 2 through the gap between the limiting rollers 8 for corresponding drying; the cleaning box 1 can be an ultrasonic cleaning box 1, and the cleaning roller of the cleaning unit located in the cleaning box 1 3. Wipe and clean the graphene film passing through, and the scraper scrapes off the impurities on the surface of the cleaning roller 3 to make the cleaning more thorough. Preferably, the cleaning unit includes at least one pair of cleaning rollers 3, which are rotatably mounted between the inner walls of the cleaning box 1 on both sides of the feeding and discharging direction, and a predetermined gap is set between the two pairs of cleaning rollers 3 to form a cleaning channel for the graphene film to pass through; the feeding unit is adjusted to be located between the connecting port and the cleaning unit, and the cleaning unit can be immersed in the washing water body of the washing box 1 (that is, preferably located in the washing operation area of ​​the washing box 1), or it can be set on the feeding and discharging path before the graphene film enters the washing liquid, and performs preliminary cleaning and impurity removal treatment before entering the washing water body for washing. The feeding unit is adjusted to be located above the washing water body, and the graphene film is pulled toward the connecting port.

[0026] It should be noted that, preferably, the cleaning unit also includes a scraping strip 7 fixed between the two inner walls of the cleaning box 1, and the scraping strip 7 corresponds to the cleaning roller 3 one by one, and is attached to the side wall of the cleaning roller 3 along the central axis direction of the cleaning roller 3. The cleaning roller 3 can be connected to a rotation drive, and the outer wall of the cleaning roller 3 contacts the scraping strip 7 during rotation, scraping impurities on the outer wall to ensure the cleaning effect of the cleaning roller 3.

[0027] In some preferred embodiments, the drying box 2 has a corresponding accommodating chamber, one end of which is a feeding end connected to the discharging end of the cleaning box 1, and the other end is a discharging end; the staggered support unit located in the drying box 2 includes at least two staggered guide rollers 5, which are rotatably installed between the inner walls of the drying box 2 on both sides of the feeding and discharging direction, and air supply chambers 6 are respectively arranged on both sides of the feeding and discharging direction in the drying box 2, which are used to feed materials from both sides of the feeding and discharging to the support limiting channel located in the drying box 2, and the two air supply chambers 6 are respectively located above and below the support limiting channel.

[0028] The adjustment feeding unit located in the cleaning box 1 includes at least a pair of support rollers 4, which are rotatably installed between the inner walls of the cleaning box 1 on both sides of the feeding and discharging direction, and are located above the cleaning operation area of ​​the cleaning box 1, and are used to guide the graphene film into the drying box 2; the support rollers 4 can be connected to a rotary drive, and when rotating, they can pull the graphene film out of the cleaning liquid in the cleaning box 1. When adjusting the direction, the water on both sides of the graphene film can slide down quickly under the action of gravity, and when passing between the two support rollers 4, part of the surface moisture is wiped off before entering the drying box 2, and the upper and lower air supply on both sides of the drying box 2 is combined to improve the drying efficiency.

[0029] In addition, it should be noted that a discharge port 9 is provided at the discharge end of the drying box 2, and the top wall and bottom wall of the discharge port 9 are both arc-shaped and convex. A winding unit 10 is provided at the discharge end of the drying box 2, and the winding unit 10 is connected to a winding drive. When the winding drive is started, the graphene film wound on the unwinding roller 11 passes through the cleaning roller 3, the supporting roller 4 and the offset roller of the supporting limiting channel in turn, and is wound up by the winding unit 10.

[0030] During specific use, the device is placed in a suitable working position; one end of the graphene film wound on the unwinding roller 11 passes through the cleaning roller 3, the support roller 4 and the offset roller in sequence, and is wound on the winding roller of the winding unit 10. After starting the winding drive, the film is pulled to move along the support limit channel. At this time, the unwinding roller 11 performs corresponding unwinding.

[0031] The cleaning box 1 is an ultrasonic cleaning box 1, and the corresponding cleaning liquid is injected into the inside. The cleaning liquid can cover the cleaning roller 3 but is located below the supporting roller 4; after the cleaning is completed, the winding drive is continued to be started to pull the corresponding graphene film located in the cleaning box 1 into the drying box 2. During this process, the cleaned graphene film is tilted out of the cleaning water body, and the water body on the surface slides down quickly. At the same time, the supporting roller 4 wipes the moisture on the surface of the graphene film and then enters the drying box 2 for corresponding drying; the hot air conveying device connected to the air supply chamber 6 is started, and the air supply chamber 6 conveys hot air from the top and bottom of the graphene film to perform hot air drying on the graphene film; when the cleaned part of the graphene film is sent to the drying box 2 for drying, the subsequent graphene film continues to enter the cleaning box 1 for cleaning, and after the cleaning is completed, the graphene continues to enter the drying box 2, and the dried graphene film in the drying box 2 is wound up by the winding unit 10, forming continuous cleaning, drying and winding.

[0032] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A graphene film cleaning device, characterized in that: include: The cleaning box has a corresponding accommodating chamber, one end of which is a feeding end, and the other end is a discharging end and is connected to a drying box; The drying box has a corresponding accommodating chamber, one end of which is a feeding end connected to the discharging end of the cleaning box, and the other end is a discharging end; The continuous feeding and winding assembly is arranged in the cleaning box and the drying box along the feeding and discharging direction to form a supporting and limiting channel for feeding and discharging. The corresponding unloading operation is performed at the feeding end of the cleaning box and the corresponding winding operation is performed at the discharging end of the drying box.

2. A graphene film cleaning device according to claim 1, characterized in that: The continuous feeding and winding assembly includes a cleaning unit, which includes at least one pair of cleaning rollers, which are rotatably mounted between the inner walls of the cleaning box on both sides of the feeding and discharging direction, and a predetermined gap is set between the two pairs of cleaning rollers to form a cleaning channel for the graphene film to pass through; The feed adjustment unit includes at least one pair of support rollers, which are rotatably mounted between the inner walls of the cleaning box on both sides of the material feeding and discharging direction and are located above the cleaning operation area of ​​the cleaning box to guide the graphene film into the drying box; the staggered support unit includes at least two staggered guide rollers, which are rotatably mounted between the inner walls of the drying box on both sides of the material feeding and discharging direction.

3. A graphene film cleaning device according to claim 1, characterized in that: Air supply chambers are respectively arranged on both sides of the material inlet and outlet directions in the drying box for feeding materials from both sides of the material inlet and outlet to the support and limit passage in the drying box, and the two air supply chambers are respectively located above and below the support and limit passage.

4. A graphene film cleaning device according to claim 2, characterized in that: The cleaning unit also includes a scraping bar fixed between two inner walls of the cleaning box. The scraping bar corresponds to the cleaning roller one by one and is attached to the side wall of the cleaning roller along the central axis direction of the cleaning roller.

5. The graphene film cleaning device according to claim 1, characterized in that: A connection port is provided at the connection between the cleaning box and the drying box, a pair of limiting rollers are installed at the connection port, and a predetermined gap is set between the two limiting rollers.

6. A graphene film cleaning device according to claim 1, characterized in that: A discharge port is arranged at the discharge end of the drying box, and the top wall and the bottom wall of the discharge port are both arranged to be arc-shaped and convex.

7. A graphene film cleaning device according to claim 1, characterized in that: A winding unit is arranged at the discharge end of the drying box, the winding unit is connected to the winding drive, and a discharge roller is arranged at the feed end of the cleaning box.

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