A vacuum static electricity removal device

Abstract

This invention discloses a vacuum destatic device, comprising a housing with unwinding and rewinding rollers arranged on both sides. A destatic component is disposed within the housing cavity. A feed chute is provided on one side of the housing, with a rotating roller rotatably mounted thereon. A discharge chute is provided on the other side of the housing, with a driving roller and a driven roller rotatably mounted thereon. An adjustment component is disposed within the housing, and a servo motor is disposed on the outside of the housing. A rotating shaft is connected to the output shaft of the servo motor, and one end of the driving roller extends out of the housing. Through the cooperation of the limiting component and the adjustment component, the substrate within the housing can be dynamically adjusted. When the substrate bends downwards and becomes loose, the rotational speed of the driving roller increases, thereby straightening the substrate again. This ensures that the substrate reaches the two destatic components at equal distances and remains flat, which is beneficial for ensuring the destatic effect.

Description

Technical Field

[0001] This invention relates to the field of static electricity removal devices, and in particular to a vacuum static electricity removal device. Background Technology

[0002] Coating is a process in which metallic or non-metallic materials are uniformly deposited onto the surface of a substrate, typically a plastic film, under vacuum. Due to factors such as the base film and the coating layer, static electricity can be generated on the surface of the base film during evaporation. Excessive accumulation of static electricity can easily lead to discharge, causing wrinkles, streaks, and other defects on the base film surface.

[0003] Chinese patent CN215402030U discloses a membrane electrostatic removal device, including a housing and a membrane. The housing has a first through hole and a second through hole on its side. A cleaning chamber is located inside the housing. Inside the cleaning chamber, a first winding roller and a second winding roller are mounted via a bracket. An air outlet pipe is mounted on the bracket. The membrane passes sequentially through the first and second winding rollers and is then connected to a first feeding roller, a tensioning roller, a second feeding roller, and a take-up roller. A cylinder is located at the bottom of the tensioning roller, and the output end of the cylinder is movably connected to the tensioning roller via a fixing block and a shaft pin. A first ion rod and a second ion rod are positioned between the second feeding roller and the take-up roller. This design is scientifically sound and allows for adjustment of the membrane tension as needed, improving the electrostatic removal effect of the membrane and preventing dust or fibers from adhering to the upper and lower surfaces of the membrane, thus improving the quality of the membrane.

[0004] The above-mentioned device treats static electricity on the membrane by setting ion bars. However, in actual use, when the membrane becomes loose and bent or wrinkled at the ion bars, the distance between the membrane and the ion bars on both sides changes. Furthermore, due to the wrinkles, the positive and negative ions generated by the ion bars cannot make good contact with the membrane, which affects the static electricity removal operation. Therefore, the above-mentioned device has certain limitations in use.

[0005] Therefore, it is necessary to provide a vacuum static electricity removal device to solve the above-mentioned technical problems. Summary of the Invention

[0006] The purpose of this invention is to provide a vacuum static electricity removal device to solve the problem mentioned in the background art that the existing device treats the static electricity on the membrane by setting ion bars. However, in actual use, when the membrane becomes loose and bent or wrinkled at the ion bars, the distance between the membrane and the ion bars on both sides changes, and the positive and negative ions generated by the ion bars cannot make good contact with the membrane due to the wrinkles and other conditions.

[0007] Based on the above ideas, the present invention provides the following technical solution: a vacuum destatic device, including a housing, with unwinding rollers and rewinding rollers arranged on both sides of the housing, a destatic component disposed in the inner cavity of the housing, a feeding groove opened on one side of the housing, and a rotating roller rotatably disposed at the feeding groove, and a discharging groove disposed on the other side of the housing, with a driving roller and a driven roller rotatably disposed at the discharging groove.

[0008] An adjustment component is provided inside the housing, and a servo motor is provided on the outside of the housing. A rotating shaft is connected to the output shaft of the servo motor. One end of the drive roller extends out of the housing. A drive gear and an adjustment gear are fitted on the outside of the rotating shaft and the drive roller, respectively. The drive gear and the adjustment gear fitted on the drive roller cooperate with the drive roller through a limiting component. When the substrate inside the housing becomes loose, the adjustment component drives the limiting component to shift and alternately limits the drive gear and the adjustment gear on the drive roller.

[0009] As a further aspect of the present invention: a substrate is provided between the take-up roller and the unwind roller, the substrate passes sequentially through the feed groove and the discharge groove on the housing, and a first pressure roller and a second pressure roller are rotatably arranged on both sides inside the housing, the first pressure roller and the second pressure roller being respectively located at the bottom and top of the substrate.

[0010] As a further aspect of the present invention: the diameter of the rotating shaft and the driving gear on the active roller are the same, and the diameter of the adjusting gear on the rotating shaft is greater than the diameter of the adjusting gear on the active roller.

[0011] As a further aspect of the present invention: the adjustment assembly includes a fixed plate fixedly connected to the inner cavity of the housing, a sliding sleeve fixedly connected to the bottom surface of the fixed plate, a sliding rod slidably disposed inside the sliding sleeve, a collar fixedly connected to the bottom end of the sliding rod, a second pressure roller rotatably disposed between the two collars, a first spring disposed between the sliding sleeve and the collar, a pull rope fixedly connected to the top end of the sliding rod, and the end of the pull rope away from the sliding rod passing through the sliding sleeve, the fixed plate and the housing in sequence and extending to the outside of the housing.

[0012] As a further aspect of the present invention: the limiting component includes a top shaft that slides with the drive roller, a sleeve that slides with the drive roller, a limiting block that slides at the top of the sleeve, and a supporting spring that is located at the bottom of the limiting block in the inner cavity of the sleeve. A convex ring is fixedly fitted at one end of the sleeve outside the drive roller, and a third spring is fixedly connected between the bottom surface of the convex ring and the outer surface of the drive roller. A limiting groove is formed on the inner circumferential surface of the drive gear and the adjusting gear fitted on the outside of the drive roller. The limiting groove cooperates with the limiting block. Two top rings are fixedly fitted on the outside of the top shaft. The two top rings cooperate with the sleeves at the drive gear and the adjusting gear, respectively. One end of the pull rope that extends to the outside of the housing is fixedly connected to the end face of the top shaft.

[0013] As a further embodiment of the present invention: a bracket is provided on the outer side of the drive gear, the top shaft passes through the bracket and is slidably connected to it, a baffle is fixedly connected to the outer side of the bracket by a support rod, the top shaft passes through the baffle and is slidably connected to it, and a second spring is sleeved on the outer side of the top shaft, the second spring being fixedly connected between the bracket and the baffle.

[0014] As a further aspect of the present invention: an adjusting roller is provided on the side of the housing near the take-up roller, and a round shaft is fixedly connected to both ends of the adjusting roller, and a slider is rotatably fitted at the end of the round shaft away from the adjusting roller. A limiting rod is arranged on one side of the housing, and the limiting rod passes through the slider and is slidably connected to the slider.

[0015] As a further aspect of the present invention: the limiting rod is provided with multiple slots, the slider is provided with a through hole that is connected to the limiting rod, the inner wall of the through hole is provided with a groove, and an inclined block is slidably connected in the groove. The inclined block is adapted to the slots, the bottom surface of the inclined block is set as an inclined surface, and a compression spring is provided in the groove on the inner side of the inclined block.

[0016] As a further aspect of the present invention: the first pressure roller and the second pressure roller are staggered in the horizontal direction, while the two antistatic components are aligned with the first pressure roller and the second pressure roller in the vertical direction, respectively.

[0017] Compared with the prior art, the beneficial effects of the present invention are: the device can dynamically adjust the substrate inside the housing by cooperating with the limiting component and the adjusting component. When it bends downward and loosens, the speed of the active roller increases, thereby straightening the substrate again so that the substrate reaches the two antistatic components at equal distances and the substrate is in a flat state, which helps to ensure the antistatic effect. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is the front view of the present invention;

[0021] Figure 3 This is a schematic diagram of the fixing plate and sleeve structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the adjusting roller, limiting rod, and slider structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the substrate orientation of the present invention;

[0024] Figure 6This is a schematic diagram of the top ring structure of the present invention;

[0025] Figure 7 This is a cross-sectional view of the active roller of the present invention;

[0026] Figure 8 This is the present invention. Figure 1 A magnified structural diagram at point A;

[0027] Figure 9 This is the present invention. Figure 7 A magnified structural diagram at point B;

[0028] Figure 10 This is a schematic diagram of the rope structure of the present invention;

[0029] Figure 11 This is a cross-sectional view of the limiting rod and slider of the present invention.

[0030] In the diagram: 1. Unwinding roller; 2. Substrate; 3. Housing; 4. Pull rope; 5. Slider; 6. Limiting rod; 7. Adjusting roller; 8. Rewinding roller; 9. Drive roller; 10. Discharge chute; 11. Adjusting gear; 12. Drive gear; 13. Rotating shaft; 14. Driven roller; 15. Slot; 16. Rotating roller; 17. First pressure roller; 18. Fixed plate; 19. Second pressure roller; 20. First spring; 21. Sliding sleeve; 22. Top ring; 23. Top shaft; 24. Antistatic component; 25. Limiting block; 26. Sleeve; 27. Bracket; 28. Baffle; 29. ​​Second spring; 30. Limiting groove; 31. Convex ring; 32. Third spring; 33. Support spring; 34. Sliding rod; 35. Compression spring; 36. Inclined block. Detailed Implementation

[0031] like Figure 1 , 5 As shown, a vacuum destatic device includes a housing 3. A through-feed groove and a discharge groove 10 are respectively opened on both sides of the housing 3. An unwinding roller 1 and a take-up roller 8 are respectively arranged on both sides of the housing 3. A substrate 2 is placed between the take-up roller 8 and the unwinding roller 1. The substrate 2 is wound around the outside of the unwinding roller 1, and the end of the substrate 2 away from the unwinding roller 1 passes through the feed groove and the discharge groove 10 on the housing 3 and connects to the take-up roller 8. Flattening rollers are rotatably arranged on both sides of the housing 3. In actual application, both the take-up roller 8 and the unwinding roller 1 are driven by an external drive unit, such as a motor driving the unwinding roller 1 and the take-up roller 8 to rotate.

[0032] Furthermore, static elimination components 24 are respectively provided on the upper and lower sides of the substrate 2 in the inner cavity of the shell 3. Specifically, the static elimination components 24 mainly generate glow discharge phenomenon by applying voltage to the inert gas argon, causing it to ionize into plasma. The ionized positive plasma is guided to the surface of the base film under the action of the cathode tube, thereby removing the static charge generated on the surface of the base film and avoiding phenomena such as base film discharge and wrinkles. Alternatively, the static elimination components 24 can be commercially available ion air bars. Since the above structure is a mature technology in the field of static elimination, its specific structure will not be described in detail.

[0033] like Figure 2-5 As shown, two rotating rollers 16 are symmetrically arranged at the feed chute, and the rotating rollers 16 are rotatably connected to the housing 3. At the discharge chute 10, a driving roller 9 and a driven roller 14 are symmetrically arranged. The driving roller 9 and the driven roller 14 are rotatably connected to the housing 3. During the winding process, the substrate 2 passes between the two rotating rollers 16 and between the driving roller 9 and the driven roller 14. This structure helps maintain the flatness of the substrate 2 between the rotating rollers 16 and the driving roller 9, thereby improving the antistatic effect. Furthermore, a first pressure roller 17 and a second pressure roller 19 are rotatably arranged on both sides inside the housing 3. Rollers 19 are respectively disposed at the bottom and top of the substrate 2, and the first pressure roller 17 and the second pressure roller 19 are staggered in the horizontal direction. The first pressure roller 17 is arranged upward relative to the feed chute, while the second pressure roller 19 is arranged downward relative to the discharge chute 10. This causes the substrate 2 to be pushed outward and bent at the first pressure roller 17 and the second pressure roller 19, thereby ensuring that the substrate 2 is flat and wrinkle-free at the first pressure roller 17 and the second pressure roller 19. The two antistatic components 24 are aligned vertically with the first pressure roller 17 and the second pressure roller 19, respectively, to ensure that the distance from the substrate 2 to the antistatic component 24 is equal.

[0034] like Figure 1-5 As shown, in actual use, the active roller 9 is connected to an external servo motor. The cooperation between the active roller 9 and the driven roller 14 can assist in conveying the substrate 2. Furthermore, the active roller 9 and the driven roller 14 will exert a certain pulling force on the substrate 2 at the discharge chute 10 of the housing 3, which helps to prevent the substrate 2 from wrinkling in the inner cavity of the housing 3.

[0035] In actual use, when external factors cause the substrate 2 to unwind faster than its rewinding speed, and the operator fails to adjust in time, the substrate 2 inside the housing 3 will bend downwards, causing a deviation in the distance between the substrate 2 and the two antistatic components 24. To solve this problem, an adjustment component is provided on the second pressure roller 19. One end of the active roller 9 extends out of the housing 3, and a rotating shaft 13 is driven and connected to the output shaft of the servo motor. Both the rotating shaft 13 and the outer side of the active roller 9 are fitted with meshing drive gears 12. 2. An adjusting gear 11 is provided on the side near the housing 3. The driving gear 12 and the adjusting gear 11, which are sleeved on the rotating shaft 13, are fixedly connected to the rotating shaft 13. The driving gear 12 and the adjusting gear 11, which are sleeved on the active roller 9, cooperate with the active roller 9 through the limiting component. When the substrate 2 inside the housing 3 bends downward and loosens, the second pressure roller 19 moves downward and drives the limiting component to shift through the adjusting component. This causes the limiting component to alternately limit the driving gear 12 and the adjusting gear 11 on the active roller 9, thereby helping to change the rotation speed of the active roller 9.

[0036] Of course, the diameters of the drive gear 12 on the rotating shaft 13 and the drive roller 9 are the same, while the diameter of the adjusting gear 11 on the rotating shaft 13 is larger than the diameter of the adjusting gear 11 on the drive roller 9, so as to adjust the speed of the drive roller 9.

[0037] like Figure 5-10 As shown, the above-mentioned adjustment assembly includes a fixed plate 18 fixedly connected to the inner cavity of the housing 3. A sliding sleeve 21 is fixedly connected to the bottom surface of the fixed plate 18, and a sliding rod 34 is slidably arranged inside the sliding sleeve 21. A collar is fixedly connected to the bottom end of the sliding rod 34, and the second pressure roller 19 is rotatably arranged between the two collars. A first spring 20 is sleeved on the outer side of the sliding rod 34, and the two ends of the first spring 20 are fixedly connected to the bottom end face of the sliding sleeve 21 and the collar, respectively.

[0038] Furthermore, a pull rope 4 is fixedly connected to the top of the slide rod 34. The end of the pull rope 4 away from the slide rod 34 passes through the slide sleeve 21, the fixing plate 18 and the housing 3 in sequence and extends to the outside of the housing 3. The pull rope 4 is slidably connected to the slide sleeve 21, the fixing plate 18 and the housing 3 respectively.

[0039] The aforementioned limiting component includes a top shaft 23 that slides with the active roller 9. Specifically, the active roller 9 has a groove at one end extending to the outside of the housing 3. The groove has a circular cross-section, and the top shaft 23 is slidably disposed inside the groove. A sleeve 26 is disposed on the active roller 9 at the groove. The bottom end of the sleeve 26 passes through the active roller 9 and extends to the groove. The sleeve 26 slides with the active roller 9. A limiting block 25 is slidably disposed at the top end inside the sleeve 26. A support spring 33 is also disposed at the bottom end of the limiting block 25 in the inner cavity of the sleeve 26. The two ends of the support spring 33 are fixedly connected to the limiting block 25 and the end face of the inner cavity of the sleeve 26, respectively. A protruding ring 31 is fixedly sleeved at one end of the sleeve 26 outside the active roller 9. A third spring 32 is fixedly connected between the bottom surface of the protruding ring 31 and the outer surface of the active roller 9. The third spring 32 is sleeved on the outside of the sleeve 26.

[0040] Furthermore, a limiting groove 30 is provided on the inner circumferential surface of the drive gear 12 and the adjusting gear 11 sleeved on the outside of the drive roller 9. The limiting groove 30 cooperates with the limiting block 25. Two top rings 22 are fixedly sleeved on the outside of the top shaft 23. The two top rings 22 cooperate with the sleeves 26 at the drive gear 12 and the adjusting gear 11 respectively. One end of the pull rope 4 extending to the outside of the housing 3 is fixedly connected to the end face of the top shaft 23.

[0041] In practical applications, in order to drive the top shaft 23 to reset, a bracket 27 is provided on the outside of the drive gear 12. The bracket 27 is fixedly connected to the housing 3, and the top shaft 23 passes through the bracket 27 and is slidably connected to it. A baffle 28 is fixedly connected to the outside of the bracket 27 by a support rod, so that the top shaft 23 passes through the baffle 28 and is slidably connected to it. A second spring 29 is sleeved on the outside of the top shaft 23, and the second spring 29 is fixedly connected between the bracket 27 and the baffle 28.

[0042] In actual use, the servo motor drives the rotating shaft 13 to rotate. The rotating shaft 13 can drive the drive gear 12 and the adjusting gear 11 on its outer side to rotate synchronously. Since the diameter of the rotating shaft 13 and the drive gear 12 on the active roller 9 are the same, the rotation speed of the rotating shaft 13 and the active roller 9 are the same. As a result, the speed at which the active roller 9 conveys the substrate 2 is the same as the original speed of the substrate 2. This structure, by arranging the active roller 9 at the discharge chute 10 to assist in conveying the substrate 2, helps to maintain a certain tension on the substrate 2 and keep the section of it located in the inner cavity of the housing 3 flat.

[0043] When the substrate 2 inside the housing 3 bends downward, the pressure of the substrate 2 on the second pressure roller 19 decreases. At this time, under the action of the gravity of the second pressure roller 19 and the pressure of the first spring 20, the second pressure roller 19 moves downward a certain distance. Of course, the slide rod 34 will also move downward synchronously. At this time, the slide rod 34 can pull the top shaft 23 outward through the pull rope 4. During the outward movement of the top shaft 23, it can simultaneously drive the top ring 22 on its outer side to move, thereby causing one side of the top ring 22 to separate from the sleeve 26 at the drive gear 12, while the other side of the top ring 22 is aligned with the sleeve 26 at the adjusting gear 11. Through the compression of the sleeve 26 by the top ring 22, the sleeve 26 and the limiting block 25 inside it can be driven to move towards the adjusting gear 11. Due to the meshing of the two adjusting gears 11, the adjusting gear 11 on the drive roller 9 is in a rotating state. When the limiting groove 30 on the adjusting gear 11 rotates to the limiting block 25, the limiting block 25 can be squeezed into the limiting groove 30 under the force of the supporting spring 33. At this time, the adjusting gear 11 on the drive roller 9 is engaged with it, while the drive gear 12 on the drive roller 9 is separated from it. This allows the rotating shaft 13 to drive the drive roller 9 to rotate during the rotation through the meshing of the two adjusting gears 11. Since the diameter of the adjusting gear 11 at the rotating shaft 13 is large, the rotation speed of the drive roller 9 is increased during the transmission process, which can speed up the conveying of the substrate 2 and allow the substrate 2 that is bent downward inside the housing 3 to be gradually straightened.

[0044] As the substrate 2 is straightened, it gradually drives the second pressure roller 19 to move upward and loosens the pull rope 4. At this time, under the action of the second spring 29, the top shaft 23 can be reset, so that the top ring 22 on the top shaft 23 cooperates with the sleeve 26 at the drive gear 12 and is offset from the sleeve 26 at the adjusting gear 11. At this time, under the action of the third spring 32, the sleeve 26 and the limiting block 25 can be driven to move downward, so that the limiting block 25 separates from the limiting groove 30 on the adjusting gear 11, so that the rotating roller 16 and the rotating shaft 13 rotate at the same speed to assist in conveying the substrate 2.

[0045] In summary, this device, through the cooperation of the limiting component and the adjustment component, can dynamically adjust the substrate 2 inside the housing 3. When it bends downward and becomes loose, the rotation speed of the active roller 9 increases, thereby straightening the substrate 2 again, so that the substrate 2 reaches the two antistatic components 24 at equal distances, and the substrate 2 is in a flat state, which helps to ensure the antistatic effect.

[0046] like Figure 4 , 11As shown, in order to store the substrate 2, an adjusting roller 7 is provided on the side of the housing 3 near the winding roller 8. Both ends of the adjusting roller 7 are fixedly connected to round shafts, and the end of the round shaft away from the adjusting roller 7 is rotatably fitted with a slider 5. A limiting rod 6 is also arranged on one side of the housing 3. The limiting rod 6 passes through the slider 5 and is slidably connected to the slider 5.

[0047] Furthermore, the limiting rod 6 has multiple slots 15, and the slider 5 has a through hole that engages with the limiting rod 6. The inner wall of the through hole has a groove, and a wedge 36 is slidably connected in the groove. The wedge 36 is adapted to the slots 15. The bottom surface of the wedge 36 is set as a slope. When the slider 5 moves downward relative to the limiting rod 6, the wedge 36 can be squeezed into the groove, and the upward sliding of the slider 5 can be restricted, thereby realizing the unidirectional movement of the slider 5. A compression spring 35 is provided inside the groove on the inner side of the wedge 36. The two ends of the compression spring 35 are fixedly connected to the wedge 36 and the inner end face of the groove, respectively.

[0048] When in use, when the rotation speed of the drive roller 9 increases and straightens the substrate 2 inside the housing 3, the substrate 2 located at the adjusting roller 7 outside the housing 3 will elongate. At this time, the adjusting roller 7 slides downward under its own gravity, so that the slider 5 slides downward along the limiting rod 6. Through the action of the inclined block 36, the slider 5 can be limited to prevent it from moving upward. Therefore, by using this structure, the elongated substrate 2 can be stored to prevent it from becoming loose and affecting the winding problem.

[0049] like Figure 7-8 As shown, there is even a pulley at the end of the top shaft 23 away from the housing 3, so that the pull rope 4 can pass around the outside of the pulley, allowing the pull rope 4 to move smoothly.

[0050] The outer circumference of the top ring 22 and the bottom end of the sleeve 26 are both provided with rounded corners to facilitate the compression between the top ring 22 and the sleeve 26.

[0051] In practical applications, bearings can be arranged on both sides inside the drive gear 12 and the adjusting gear 11, so that they can rotate and cooperate with the drive roller 9 through the bearings.

[0052] The top and bottom ends of the limiting rod 6 are fixedly connected with stop bars, and the stop bars are fixedly connected to the housing 3.

Claims

1. A vacuum destatic device, comprising a housing, with unwinding rollers and take-up rollers arranged on both sides of the housing, characterized in that: An antistatic component is provided in the inner cavity of the housing. A feeding groove is provided on one side of the housing, and a rotating roller is rotatably provided at the feeding groove. A discharging groove is provided on the other side of the housing, and a driving roller and a driven roller are rotatably provided at the discharging groove. An adjustment component is provided inside the housing, and a servo motor is provided on the outside of the housing. A rotating shaft is connected to the output shaft of the servo motor. One end of the drive roller extends out of the housing. A drive gear and an adjustment gear mesh with each other on the outside of the rotating shaft and the drive roller. The drive gear and the adjustment gear on the drive roller cooperate with the drive roller through a limiting component. When the substrate inside the housing becomes loose, the adjustment component drives the limiting component to shift and alternately limits the drive gear and the adjustment gear on the drive roller. The housing has a first pressure roller and a second pressure roller rotatably arranged on both sides inside, and the first pressure roller and the second pressure roller are respectively located at the bottom and top of the substrate; The adjustment assembly includes a fixed plate fixedly connected to the inner cavity of the housing, a sliding sleeve fixedly connected to the bottom surface of the fixed plate, a sliding rod slidably disposed inside the sliding sleeve, a collar fixedly connected to the bottom end of the sliding rod, a second pressure roller rotatably disposed between the two collars, a first spring disposed between the sliding sleeve and the collar, and a pull rope fixedly connected to the top end of the sliding rod. The end of the pull rope away from the sliding rod passes through the sliding sleeve, the fixed plate and the housing in sequence and extends to the outside of the housing. The limiting assembly includes a top shaft that slides with the drive roller. A sleeve slides on the drive roller. A limiting block is slidably provided at the top of the sleeve, and a supporting spring is provided at the bottom of the limiting block in the inner cavity of the sleeve. A convex ring is fixedly sleeved on one end of the sleeve outside the drive roller. A third spring is fixedly connected between the bottom surface of the convex ring and the outer surface of the drive roller. Limiting grooves are provided on the inner circumferential surfaces of the drive gear and the adjusting gear sleeved on the outside of the drive roller. The limiting grooves cooperate with the limiting blocks. Two top rings are fixedly sleeved on the outside of the top shaft. The two top rings cooperate with the sleeves at the drive gear and the adjusting gear, respectively. One end of the pull rope extending to the outside of the housing is fixedly connected to the end face of the top shaft.

2. The vacuum static electricity removal device according to claim 1, characterized in that: A substrate is disposed between the take-up roller and the unwind roller, and the substrate passes through the feed chute and the discharge chute on the housing in sequence.

3. The vacuum static electricity removal device according to claim 1, characterized in that: The diameters of the rotating shaft and the drive gear on the drive roller are the same, and the diameter of the adjusting gear on the rotating shaft is larger than the diameter of the adjusting gear on the drive roller.

4. The vacuum static electricity removal device according to claim 2, characterized in that: A bracket is provided on the outside of the drive gear. The top shaft passes through the bracket and is slidably connected to it. A baffle is fixedly connected to the outside of the bracket by a support rod. The top shaft passes through the baffle and is slidably connected to it. A second spring is sleeved on the outside of the top shaft. The second spring is fixedly connected between the bracket and the baffle.

5. The vacuum static electricity removal device according to claim 1, characterized in that: An adjusting roller is provided on the side of the housing near the take-up roller. Both ends of the adjusting roller are fixedly connected to round shafts, and a slider is rotatably fitted at the end of the round shaft away from the adjusting roller. A limit rod is arranged on one side of the housing, and the limit rod passes through the slider and is slidably connected to the slider.

6. The vacuum static electricity removal device according to claim 5, characterized in that: The limiting rod has multiple slots, and the slider has a through hole that mates with the limiting rod. The inner wall of the through hole has a groove, and a wedge block is slidably connected in the groove. The wedge block is adapted to the slots, and the bottom surface of the wedge block is set as an inclined surface. A compression spring is set inside the groove on the inner side of the wedge block.

7. The vacuum static electricity removal device according to claim 2, characterized in that: The first and second pressure rollers are staggered in the horizontal direction, while the two antistatic components are aligned with the first and second pressure rollers in the vertical direction, respectively.

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