Ultrathin composite current collector base film preparation equipment and preparation process thereof

Abstract

The invention relates to the technical field of base film preparation, in particular to ultrathin composite current collector base film preparation equipment and a preparation process thereof.The ultrathin composite current collector base film preparation equipment comprises a bottom plate, mounting plates are fixedly connected to the two sides of the bottom plate, a rotating shaft is rotationally connected between the two mounting plates, and a winding roller fixedly sleeves the outer side wall of the rotating shaft; a cleaning box is fixedly connected between the two mounting plates, a trigger mechanism is arranged in the cleaning box, the trigger mechanism comprises inlets formed in the upper side and the lower side of the cleaning box, driving motors are fixedly connected to the two sides of the cleaning box, and through arrangement of a brush and other mechanisms, a base film can enter the cleaning box before being stretched; the base film entering the cleaning box can be contacted and scraped by the brush, when the brush is contacted and scraped to clean impurities on the surface of the base film, the spraying barrel can spray purified air to the surface of the base film and purge the impurities, and the subsequent stretching effect of the base film on the rotating shaft can be guaranteed by cleaning the impurities on the surface of the base film.

Description

Technical Field

[0001] The present invention relates to the technical field of base film preparation, and in particular to an ultra-thin composite current collector base film preparation device and a preparation process thereof. Background Art

[0002] The ultra-thin composite current collector base film is a plastic material containing a thermoplastic polymer component, such as polyethylene terephthalate or polyimide. Due to its plasticity, it can be used in multiple industries after being formed.

[0003] The existing ultra-thin fluid base film preparation equipment lacks a cleaning device. When the base film is manufactured, its polymer raw materials may have some unreacted monomers, catalyst residues or other foreign impurities mixed in during the production process. These impurities will enter the production process together with the raw materials during the base film manufacturing process and eventually appear on the surface of the base film. In addition, various process additives such as solvents, plasticizers, lubricants, etc. are used during the production of the base film. In the subsequent drying, curing and other processes, these additives are not completely volatilized or removed, and oil stains will remain on the surface of the molded base film. Since the distribution of impurities and oil stains is irregular, if these impurities or oil stains are not cleaned, they will change the friction coefficient and stress state of the base film surface, resulting in the base film being over-stretched in some areas and under-stretched in some areas during the stretching process, making the thickness of the base film uneven, seriously affecting the quality and performance of the base film. Summary of the invention

[0004] The purpose of the present invention is to provide an ultra-thin composite current collector base film preparation device and a preparation process thereof, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an ultra-thin composite current collector base film preparation device, comprising a base plate, both sides of the base plate are fixedly connected with mounting plates, a rotating shaft is rotatably connected between the two mounting plates, a winding roller is fixedly sleeved on the outer wall of the rotating shaft, a cleaning box is fixedly connected between the two mounting plates, a trigger mechanism is arranged inside the cleaning box, the trigger mechanism includes inlets opened on the upper and lower sides of the cleaning box, both sides of the cleaning box are fixedly connected with drive motors, a transmission rod is arranged at the output end of the drive motor, a knocking cam is sleeved on the outer wall of the transmission rod, and a turntable is fixedly connected to the end of the transmission rod.

[0006] Preferably, a plurality of slide grooves are provided inside the turntable, the inner side walls of the plurality of slide grooves are slidably connected with trigger magnets, a tension spring is provided at the tail of the trigger magnet, the end of the tension spring away from the trigger magnet is fixedly connected to the inner side wall of the slide groove, and a cleaning mechanism is symmetrically provided inside the cleaning box.

[0007] Preferably, the cleaning mechanism includes an inner box symmetrically arranged inside the cleaning box, the outer wall of the inner box is provided with a sensor and a vacuum cleaner, the outer wall of the inner box is fixedly connected with a fixing plate, the fixing plate is provided with a heat conductive part, the heat conductive part is provided with a heat conductive rod, the end of the heat conductive rod away from the heat conductive part is fixedly connected with a friction wheel, the friction wheel is in sliding contact with the outer wall of the turntable, and the contact ends of the friction wheel and the turntable are both made of frosted material.

[0008] Preferably, the inner box is slidably connected to a scraper, a brush is provided on the outside of the scraper, a gear is provided inside the inner box, the gear and the scraper are meshingly arranged, side grooves are provided on both sides of the inner box, the inner wall of the side groove is slidably connected to a lower pressure plate, a pressing spring is provided inside the side groove, the other end of the pressing spring is fixedly connected to the outer wall of the lower pressure plate, the lower pressure plate is meshingly arranged with the gear, and a replaceable dust-free cloth is provided on the lower pressure plate.

[0009] Preferably, a top plate is fixedly connected to the outer side of the lower pressure plate, a magnetic plate is provided at the end of the top plate, and the magnetic poles of the magnetic plate are the same as the magnetic poles of the trigger magnet.

[0010] Preferably, a plurality of spray barrels are arranged inside the inner box, and a pressure rod is slidably connected to the inside of each of the spray barrels, a pressure spring is sleeved on the outer wall of the pressure rod, a push plate is arranged at the end of the pressure rod, a sliding rod is fixedly connected to the outer wall of the push plate, the sliding rod slides through to the outside of the inner box and is located directly to the side of the knocking cam, and a spray head is arranged at one end of the spray barrel away from the push plate.

[0011] Preferably, an air box and a liquid storage tank are respectively provided on both sides of the cleaning box, and the air box and the liquid storage box are both provided with pluggable adding ports, and the air box and the liquid storage box are respectively connected with an air guide pipe and a plurality of liquid guide pipes, and the air guide pipe and the liquid guide pipe are respectively connected with a plurality of air guide channels and liquid guide channels, and the ends of the plurality of air guide channels and liquid guide channels are all connected to the interior of the corresponding spray barrel, and the interiors of the air guide channels and the liquid guide channels are slidably connected with a slide plate, and the slide plate is provided with a circulation hole and a through hole, and the end of the slide plate away from the circulation hole is fixedly connected to the scraper.

[0012] Preferably, a bracket is fixedly connected to the outer side wall of the bottom plate, and a plurality of rollers are arranged on the outer side wall of the bracket.

[0013] Preferably, a guide roller is provided between the two mounting plates, and the guide roller is located directly below the winding roller.

[0014] A preparation process of an ultra-thin composite current collector base film preparation device, the preparation process comprising the following steps: S1: When in use, the operator can pass the base film wound on the roll through the inlet and through the cleaning box, and then bypass the guide roller to contact with multiple rollers, and the multiple rollers stretch the base film; S2: When the base film passes through the cleaning box, the operator can turn on multiple driving motors in the cleaning box, so that the driving motor drives the knocking cam and the turntable to rotate through the transmission rod, so as to clean the surface of the base film with the brush; S3: When the base film enters the cleaning box through the inlet, the sensor located at the bottom of the inner box detects the surface of the base film; S4: If there is oil on the surface of the base film, the spray gun will spray a small amount of ethanol on the surface of the base film to dilute and clean the oil.

[0015] Compared with the prior art, the present invention has the following beneficial effects: Through the setting of mechanisms such as brushes, the base film will enter the cleaning box before stretching. The base film entering the cleaning box will be contacted and scraped by the brush. When the brush contacts and scrapes to clean the impurities on the surface of the base film, the spray gun will spray purified air onto the surface of the base film to blow away the impurities. By cleaning the impurities on the surface of the base film, the subsequent stretching effect of the base film on the rotating shaft can be guaranteed.

[0016] Through the setting of dust-free cloth and other mechanisms, when the base film enters the cleaning box before stretching, the sensor will detect the surface of the base film. If there is oil on the surface of the base film, the spray gun will spray a small amount of ethanol on the surface of the base film, and use the dust-free cloth to scrape and adsorb the oil on the surface of the base film. By cleaning the oil on the surface of the base film, the subsequent stretching effect of the base film can also be guaranteed, thereby improving the base film preparation effect of the entire preparation equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the local structure of the present invention Figure 1 ; Figure 3 It is a schematic diagram of the structure of the cleaning box of the present invention; Figure 4 The internal structure of the cleaning box of the present invention is shown in FIG. Figure 1 ; Figure 5 The internal structure of the cleaning box of the present invention is shown in FIG. Figure 2 ; Figure 6 for Figure 5 A magnified view of middle; Figure 7 It is a schematic diagram of the local structure of the present invention Figure 2 ; Figure 8It is a schematic diagram of the local structure of the present invention Figure 3 ; Fig. 9 It is a schematic diagram of the inner box structure of the present invention; Fig.10 The internal structure of the cleaning box of the present invention is shown in FIG. Figure 3 ; Fig.11 The internal structure of the cleaning box of the present invention is shown in FIG. Figure 4 ; Fig.12 for Fig.11 Enlarged view of middle B; Fig.13 It is a schematic diagram of the planar structure of the present invention.

[0018] In the attached drawings, the components represented by the reference numerals are as follows: 1. bottom plate; 2. mounting plate; 3. winding roller; 4. rotating shaft; 5. cleaning box; 6. guide roller; 7. through hole; 8. air box; 9. liquid storage box; 10. fixing plate; 11. heat conducting member; 12. heat conducting rod; 13. friction wheel; 14. transmission rod; 15. knocking cam; 16. rotating disk; 17. slideway; 18. trigger magnet; 19. tension spring; 20. magnetic plate; 21. inner box; 22. top plate; 23. , lower pressure plate; 24, side groove; 25, dust-free cloth; 26, nozzle; 27, scraper; 28, brush; 29, gear; 30, air duct; 31, liquid duct; 32, push plate; 33, drive motor; 34, slide bar; 35, spray gun; 36, pressure spring; 37, pressure bar; 38, slide plate; 39, air channel; 40, liquid channel; 41, flow hole; 42, sensor; 43, vacuum cleaner; 44, bracket; 45, roller; 46, import. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1 - Fig.13, an ultra-thin composite current collector substrate preparation device, comprising a bottom plate 1, a bracket 44 is fixedly connected to the outer wall of the bottom plate 1, a plurality of rollers 45 are arranged on the outer wall of the bracket 44, mounting plates 2 are fixedly connected to both sides of the bottom plate 1, a rotating shaft 4 is rotatably connected between the two mounting plates 2, a winding roller 3 is fixedly sleeved on the outer wall of the rotating shaft 4, a guide roller 6 is arranged between the two mounting plates 2, the guide roller 6 is located directly below the winding roller 3, a cleaning box 5 is fixedly connected between the two mounting plates 2, a trigger mechanism is arranged inside the cleaning box 5, the trigger mechanism includes an inlet 46 opened on the upper and lower sides of the cleaning box 5, a driving motor 33 is fixedly connected to both sides of the cleaning box 5, a transmission rod 14 is arranged on the output end of the driving motor 33, a knocking cam 15 is sleeved on the outer wall of the transmission rod 14, and a turntable 16 (such as Figure 6 as shown).

[0021] A plurality of slide grooves 17 are provided inside the turntable 16, and the inner side walls of the plurality of slide grooves 17 are slidably connected with trigger magnets 18, and a tension spring 19 is provided at the tail of the trigger magnet 18, and one end of the tension spring 19 away from the trigger magnet 18 is fixedly connected to the inner side wall of the slide groove 17, and a cleaning mechanism is symmetrically provided inside the cleaning box 5.

[0022] The cleaning mechanism includes an inner box 21 symmetrically arranged inside the cleaning box 5, and the outer wall of the inner box 21 is provided with a sensor 42 and a dust collector 43 (such as Fig.13 As shown, a fixing plate 10 (as shown) is fixedly connected to the outer wall of the inner box 21. Figure 5 As shown), a heat conducting member 11 is provided on the fixed plate 10, a heat conducting rod 12 is provided on the heat conducting member 11, and a friction wheel 13 is fixedly connected to one end of the heat conducting rod 12 away from the heat conducting member 11. The friction wheel 13 is in sliding contact with the outer wall of the turntable 16, and the contact ends of the friction wheel 13 and the turntable 16 are both made of frosted material.

[0023] A scraper 27 is slidably connected to the inside of the inner box 21, a brush 28 is provided on the outside of the scraper 27, a gear 29 is provided inside the inner box 21, the gear 29 and the scraper 27 are meshed, side grooves 24 are provided on both sides of the inner box 21, the inner wall of the side groove 24 is slidably connected to the lower pressure plate 23, a pressing spring is provided inside the side groove 24, the other end of the pressing spring is fixedly connected to the outer wall of the lower pressure plate 23, the lower pressure plate 23 is meshed with the gear 29, and a replaceable dust-free cloth 25 is provided on the lower pressure plate 23.

[0024] The inner box 21 is provided with a plurality of spray nozzles 35 (such as Fig.12As shown in the figure, a plurality of spray barrels 35 are slidably connected to the inside with a pressure rod 37, an outer wall of the pressure rod 37 is sleeved with a pressure spring 36, a push plate 32 is provided at the end of the pressure rod 37, a slide bar 34 is fixedly connected to the outer wall of the push plate 32, the slide bar 34 slides through to the outside of the inner box 21 and is located on the right side of the knocking cam 15, and the end of the spray barrel 35 away from the push plate 32 is connected to the spray head 26.

[0025] In this embodiment, when in use, the operator can pass the base film wound on the winding roller 3 through the inlet 46 through the cleaning box 5, and then bypass the guide roller 6 to contact the multiple rollers 45, and the multiple rollers 45 stretch the base film. (This is a prior art and will not be elaborated on in detail). The rollers 45 rotate to stretch the base film. When the base film passes through the cleaning box 5, the operator can turn on the two driving motors 33 in the cleaning box 5, so that the driving motor 33 drives the knocking cam 15 and the turntable 16 to rotate through the transmission rod 14. When the knocking cam 15 rotates, it will intermittently knock the sliding rod 34 located directly below it (refer to Fig.11 ), under the combined action of the intermittent knocking of the knocking cam 15 and the elastic force of the pressure spring 36, the pressure rod 37 will perform a reciprocating suction movement in the nozzle 35. When the pressure rod 37 performs a reciprocating suction movement in the nozzle 35, the nozzle 35 will suck the air transported in the air guide pipe 30 into the nozzle 35 through the air guide channel 39 and the flow hole 41 located inside the air guide channel 39, and then spray it out through the nozzle 26 to blow and clean the base film passing through the cleaning box 5, and blow away the loose impurities attached to the surface of the base film. After the nozzle 35 blows and cleans the surface of the base film, the brush 28 located on the side of the nozzle 35 will contact and scrape the surface of the base film, and scrape and clean the more stubborn impurities on the surface of the base film. By cleaning the impurities on the surface of the base film, the subsequent stretching effect of the base film on the rotating shaft 4 can be guaranteed.

[0026] Example 2: Please refer to Figure 1 - Fig.13 This embodiment further explains the first embodiment. The outer side of the lower pressure plate 23 is fixedly connected with a top plate 22 . A magnetic plate 20 is provided at the end of the top plate 22 . The magnetic poles of the magnetic plate 20 are the same as the magnetic poles of the trigger magnet 18 .

[0027] An air box 8 and a liquid storage box 9 are respectively provided on both sides of the cleaning box 5. The insides of the air box 8 and the liquid storage box 9 are provided with pluggable addition ports. The insides of the air box 8 and the liquid storage box 9 are respectively connected with an air guide pipe 30 and a plurality of liquid guide pipes 31. The insides of the air guide pipe 30 and the liquid guide pipe 31 are respectively connected with a plurality of air guide channels 39 and liquid guide channels 40 (such as Fig.12As shown), the ends of multiple air guide channels 39 and liquid guide channels 40 are connected to the interior of the corresponding nozzle 35, and the interiors of the air guide channels 39 and liquid guide channels 40 are slidably connected with a slide plate 38, on which a flow hole 41 and a through hole 7 are provided, and the end of the slide plate 38 away from the flow hole 41 is fixedly connected to the scraper 27.

[0028] In this embodiment, when the base film enters the cleaning box 5 through the inlet 46, the sensor 42 located at the bottom of the inner box 21 will detect the surface of the base film. Since the absorption, reflection and scattering characteristics of oil to light are different from the optical characteristics of the base film surface itself, the presence and degree of oil can be judged by detecting changes in the intensity and wavelength of reflected light or transmitted light. When the sensor 42 detects that there is oil on the surface of the base film entering the cleaning box 5, the sensor 42 will start the drive motor 33 at high power through the connected wireless communication module to drive the drive motor 33. The driving motor 33 drives the transmission rod 14 to rotate rapidly (this is the prior art and will not be elaborated on in detail). When the transmission rod 14 rotates rapidly, it will also drive the knocking cam 15 and the turntable 16 to rotate rapidly. When the turntable 16 rotates rapidly, under the action of a large centrifugal force, the trigger magnet 18 will overcome the tension of the tension spring 19 and be thrown to the outside of the turntable 16. When the trigger magnet 18 located on the outside of the turntable 16 rotates with the turntable 16 to the top of the magnetic plate 20, under the action of the repelling magnetic force, the magnetic plate 20 will press down the top plate 22 (refer to Figure 6 ), the top plate 22 pushes the lower pressure plate 23 to move towards the direction of the vacuum cleaner 43 until the dust-free cloth 25 contacts the surface of the base film. When the lower pressure plate 23 moves downward, the scraper 27 drives the brush 28 to retract into the inner box 21 through the action of the gear 29, and no longer contacts the surface of the base film. When the scraper 27 retracts into the inner box 21, it drives the slide plate 38 to move synchronously. When the slide plate 38 moves horizontally, the flow hole 41 originally located in the air guide channel 39 moves out of the air guide channel 39, allowing the through hole 7 to enter the liquid guide channel 40 (refer to Fig.12 ), when the through hole 7 enters the liquid guiding channel 40, as in the above principle, when the slide bar 34 on the push plate 32 is intermittently struck by the striking cam 15, allowing the pressure rod 37 to perform reciprocating suction motion in the spray barrel 35, the spray barrel 35 will pass through the liquid guiding channel 40 and the through hole 7 located inside the liquid guiding channel 40, and suck the ethanol in the liquid storage tank 9 transported in the liquid guiding tube 31 into the inside of the spray barrel 35, and then spray it out through the nozzle 26, spraying ethanol on the surface of the base film passing through the cleaning box 5. After the surface of the spray barrel 35 is sprayed with ethanol, the dust-free cloth 25 in contact with the surface of the base film will scrape the surface of the base film, and clean the oil stains on the surface of the base film with the help of ethanol.

[0029] When the turntable 16 rotates, the surface of the turntable 16 will always be in contact and friction with the surface of the friction wheel 13. Since the contact surfaces of the two are made of frosted material, the heat generated when the two are in contact and friction will be conducted to the heat conducting part 11 by the heat conducting rod 12, and the heat conducting part 11 generates heat (it should be noted that the heat conducting rod 12 and the heat conducting part 11 are both made of brass and have strong thermal conductivity), so as to preheat the base film passing through the cleaning box 5. The preheating of the base film can intensify the movement of the PET molecular chains, weaken the force between the molecular chains, and make the material softer, just like hard plastic will become softer after heating. In this way, during the stretching process, the base film can be deformed more easily, reducing the external force required for stretching and reducing the risk of the base film breaking during stretching. In addition, if ethanol is sprayed on the base film, the ethanol can also be quickly dried after the surface of the base film is cleaned.

[0030] A preparation process of an ultra-thin composite current collector base film preparation device, the preparation process comprising the following steps: S1: When in use, the operator can pass the base film wound on the winding roller 3 through the inlet 46 through the cleaning box 5, and then bypass the guide roller 6 to contact the multiple rollers 45, and the multiple rollers 45 stretch the base film; S2: When the base film passes through the cleaning box 5, the operator can turn on the multiple driving motors 33 in the cleaning box 5, so that the driving motors 33 drive the knocking cam 15 and the turntable 16 to rotate through the transmission rod 14, so as to clean the surface of the base film through the brush 28; S3: When the base film enters the cleaning box 5 through the inlet 46, the sensor 42 located at the bottom of the inner box 21 detects the surface of the base film; S4: If there is oil stain on the surface of the base film, the spray gun 35 will spray a small amount of ethanol on the surface of the base film to dilute and clean the oil stain.

[0031] It should be noted that the impurities blown off by the nozzle 26 and the impurities scraped by the brush 28 will fall naturally after leaving the surface of the base film and be adsorbed by the vacuum cleaner 43. When the vacuum cleaner 43 sprays ethanol with the nozzle 35, it is affected by the sensor 42 and stops working.

[0032] It should be noted that one-way valves are provided inside the nozzle 26, the liquid guide channel 40 and the air guide channel 39 to ensure that the nozzle 26 only sprays air or ethanol, the air guide channel 39 only transports air, and the liquid guide channel 40 only transports ethanol.

[0033] It should be noted that when the transmission rod 14 rotates rapidly and throws the multiple trigger magnets 18 to the outside of the turntable 16, since the gaps between the multiple trigger magnets 18 are small and the length of the magnetic plate 20 is long, when the multiple trigger magnets 18 located on the outside of the turntable 16 rotate with the turntable 16, there will always be multiple trigger magnets 18 located on the side of the magnetic plate 20. Therefore, as long as the transmission rod 14 rotates rapidly, the magnetic plate 20 will always be pushed by the repulsive magnetic force.

[0034] It should be noted that the dust-free cloth 25 is made of nanofibers, which have a very small fiber diameter and a very large specific surface area. There are a large number of microporous structures between the nanofibers, and these micropores can effectively absorb oil stains through physical adsorption. Due to its strong adsorption capacity, even after wiping the oil stains many times, the oil stains are mainly adsorbed inside the micropores of the nanofibers, rather than simply attached to the fiber surface. In this way, when wiping a new base film, the previously adsorbed oil stains are not easily released back to the base film surface, thereby effectively avoiding cross contamination.

[0035] 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.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultra-thin composite current collector substrate preparation device, comprising a base plate (1), characterized in that: Both sides of the bottom plate (1) are fixedly connected to mounting plates (2), a rotating shaft (4) is rotatably connected between the two mounting plates (2), a roller (3) is fixedly sleeved on the outer side wall of the rotating shaft (4), a cleaning box (5) is fixedly connected between the two mounting plates (2), a trigger mechanism is arranged inside the cleaning box (5), the trigger mechanism comprises inlets (46) opened on the upper and lower sides of the cleaning box (5), both sides of the cleaning box (5) are fixedly connected to a driving motor (33), an output end of the driving motor (33) is provided with a transmission rod (14), a knocking cam (15) is sleeved on the outer side wall of the transmission rod (14), and a rotating disk (16) is fixedly connected to the end of the transmission rod (14).

2. The ultra-thin composite current collector substrate preparation device according to claim 1, characterized in that: A plurality of slide grooves (17) are provided inside the turntable (16), the inner side walls of the plurality of slide grooves (17) are slidably connected to trigger magnets (18), a tension spring (19) is provided at the tail of the trigger magnet (18), one end of the tension spring (19) away from the trigger magnet (18) is fixedly connected to the inner side wall of the slide groove (17), and a cleaning mechanism is symmetrically provided inside the cleaning box (5).

3. The ultra-thin composite current collector substrate preparation device according to claim 2, characterized in that: The cleaning mechanism comprises an inner box (21) symmetrically arranged inside the cleaning box (5); the outer wall of the inner box (21) is provided with a sensor (42) and a dust collector (43); the outer wall of the inner box (21) is fixedly connected to a fixing plate (10); the fixing plate (10) is provided with a heat conducting member (11); the heat conducting member (11) is provided with a heat conducting rod (12); the end of the heat conducting rod (12) away from the heat conducting member (11) is fixedly connected to a friction wheel (13); the friction wheel (13) is in sliding contact with the outer wall of the rotating disk (16); the contact ends of the friction wheel (13) and the rotating disk (16) are both made of frosted material.

4. The ultra-thin composite current collector substrate preparation device according to claim 3, characterized in that: The inner box (21) is slidably connected to a scraper (27), the scraper (27) is provided with a brush (28) on the outside, the inner box (21) is provided with a gear (29), the gear (29) and the scraper (27) are meshingly arranged, both sides of the inner box (21) are provided with side grooves (24), the inner side walls of the side grooves (24) are slidably connected to a lower pressure plate (23), a pressing spring is provided inside the side groove (24), the other end of the pressing spring is fixedly connected to the outer side wall of the lower pressure plate (23), the lower pressure plate (23) is meshingly arranged with the gear (29), and a replaceable dust-free cloth (25) is provided on the lower pressure plate (23).

5. The ultra-thin composite current collector substrate preparation device according to claim 4, characterized in that: The outer side of the lower pressure plate (23) is fixedly connected to a top plate (22), and a magnetic plate (20) is provided at the end of the top plate (22), wherein the magnetic poles of the magnetic plate (20) are the same as those of the trigger magnet (18).

6. The ultra-thin composite current collector substrate preparation device according to claim 3, characterized in that: A plurality of spray barrels (35) are arranged inside the inner box (21), and a pressure rod (37) is slidably connected to the inside of each of the plurality of spray barrels (35). A pressure spring (36) is sleeved on the outer wall of the pressure rod (37), and a push plate (32) is arranged at the end of the pressure rod (37). A sliding rod (34) is fixedly connected to the outer wall of the push plate (32). The sliding rod (34) slides through the outside of the inner box (21) and is located on the right side of the knocking cam (15). The end of the spray barrel (35) away from the push plate (32) is connected to a spray head (26).

7. The ultra-thin composite current collector substrate preparation device according to claim 1, characterized in that: An air box (8) and a liquid storage box (9) are respectively arranged on both sides of the cleaning box (5); a pluggable adding port is provided inside the air box (8) and the liquid storage box (9); an air guide pipe (30) and a plurality of liquid guide pipes (31) are respectively arranged inside the air box (8) and the liquid storage box (9); a plurality of air guide channels (39) and a liquid guide channel (40) are respectively arranged inside the air guide pipe (30) and the liquid guide pipe (31); ends of the plurality of air guide channels (39) and the liquid guide channels (40) are respectively connected to the inside of a corresponding spray barrel (35); a slide plate (38) is slidably connected inside the air guide channels (39) and the liquid guide channels (40); a circulation hole (41) and a through hole (7) are provided on the slide plate (38); an end of the slide plate (38) away from the circulation hole (41) is fixedly connected to a scraper (27).

8. The ultra-thin composite current collector substrate preparation device according to claim 1, characterized in that: A bracket (44) is fixedly connected to the outer side wall of the bottom plate (1), and a plurality of rollers (45) are arranged on the outer side wall of the bracket (44).

9. The ultra-thin composite current collector substrate preparation device according to claim 1, characterized in that: A guide roller (6) is provided between the two mounting plates (2), and the guide roller (6) is located directly below the winding roller (3).

10. A process for preparing an ultra-thin composite current collector substrate film preparation device, using the device according to any one of claims 1 to 9, characterized in that: The production process The following steps are involved: S1: When in use, the operator can pass the base film wound on the winding roller (3) through the inlet (46) through the cleaning box (5), and then bypass the guide roller (6) to contact the multiple rollers (45), and the multiple rollers (45) stretch the base film; S2: When the base film passes through the cleaning box (5), the operator can turn on the multiple drive motors (33) in the cleaning box (5), so that the drive motors (33) drive the knocking cam (15) and the rotating disk (16) to rotate through the transmission rod (14), thereby cleaning the surface of the base film through the brush (28); S3: When the base film enters the cleaning box (5) through the inlet (46), the sensor (42) located at the bottom of the inner box (21) detects the surface of the base film; S4: If there is oil stain on the surface of the base film, the spray barrel (35) will spray a small amount of ethanol on the surface of the base film to dilute and clean the oil stain.

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