Scraper device of rewinding machine

The scraper device, composed of components such as handwheels and reducer screws, utilizes the cooperation of inclined planes and cylinders to achieve high-precision adjustment of the scraper position, solving the problem of low scraper position adjustment accuracy in rewinding machines and realizing efficient removal of crystalline particles from the surface of aluminum film materials.

CN223669580UActive Publication Date: 2025-12-16ZHEJIANG HUACHUANG MECHATRONICS TECH CO LTD
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Patent Information

Application Number
CN202423172703.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-16
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing rewinding machine's scraper device has low precision in scraper position adjustment, making it impossible to achieve accurate adjustment and thus failing to effectively remove crystalline particles from the surface of the aluminum film material.

Method used

The scraper device, consisting of a handwheel, reducer, reducer screw, lower slide block, and upper bearing seat, moves the lower slide block horizontally by rotating the handwheel. The inclined plane is then used to convert the horizontal movement into vertical displacement of the upper bearing seat. Combined with a cylinder and dial indicator, the scraper position can be adjusted with high precision.

Benefits of technology

It achieves high-precision adjustment of the scraper position, which can effectively remove crystalline particles from the surface of aluminum film materials. The adjustment accuracy is within 10um, which significantly improves the scraping effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a scraper device of a rewinding machine. The scraper device comprises a hand wheel, a speed reducer, a speed reducer screw rod, a lower sliding block and an upper bearing seat, the hand wheel is connected with a hand wheel connecting rod which is connected with a projecting shaft above the speed reducer; a horizontal output shaft of the speed reducer is fixedly connected with a speed reducer screw rod, an external thread is arranged on the side, away from the speed reducer, of the speed reducer screw rod, and a nut is arranged on the external thread and fixedly connected with the lower sliding block; the top of the lower sliding block is an inclined face, and the upper bearing seat is located on the lower sliding block and connected with a scraper roller. The adjusting hand wheel lead screw pair drives the lower sliding block supporting seat to horizontally move in the horizontal direction, displacement of the upper bearing seat in the vertical direction is converted under the action of the inclined face, the inclination of the inclined face at the top of the lower sliding block can be very small, the hand wheel rotates to drive the upper bearing seat to achieve tiny vertical displacement, the position of the scraper roller is displayed through digital display, and the adjusting precision is high.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to rewinding machine technical field, and particularly relates to a scraper device of rewinding machine. BACKGROUND

[0002] The aluminium film material surface on the winding roll of the rewinding machine has crystal point particles, the rewinding machine is provided with a scraper device for scraping off the crystal point particles on the surface of the aluminium film material which does not meet the requirements; for example, the particles higher than 20um of the film surface are unqualified, the scraper is adjusted to the height of 20um, and the particles higher than the height are scraped off by the rotating scraper; the existing scraper device of the rewinding machine has low adjusting precision of the scraper position and cannot realize fine adjustment. CONTENT OF UTILITY MODEL

[0003] In order to solve the above technical problems, the utility model provides a scraper device of rewinding machine, including hand wheel, speed reducer, speed reducer screw rod, lower sliding block and upper bearing seat, hand wheel is connected with hand wheel connecting rod, hand wheel connecting rod is connected with the upper extension shaft of speed reducer, the horizontal direction output shaft of speed reducer is fixedly connected with speed reducer screw rod, speed reducer screw rod is horizontally arranged, the middle part of speed reducer screw rod is located on the support plate of speed reducer through bearing, the side, away from speed reducer of speed reducer screw rod is equipped with external thread, is equipped with nut on the external thread, and the lower sliding block is fixedly connected with the nut, the top of lower sliding block is inclined plane, and upper bearing seat is located on the upper surface of lower sliding block, and lower sliding block is connected with upper bearing seat through inclined plane sliding connection, and the scraper roll is connected on upper bearing seat.

[0004] Preferably, the scraper device further comprises a pneumatic cylinder, the pneumatic cylinder is located above the upper bearing seat, the pneumatic cylinder is fixedly connected with the pneumatic cylinder support plate, the pneumatic cylinder support plate is fixedly connected with the machine tool bed, and the piston rod extension end of the pneumatic cylinder is abutted with the upper bearing seat.

[0005] Preferably, the upper bearing seat is fixedly connected with the upper sliding block connecting plate on one side, the upper sliding block connecting plate is fixedly connected with the upper sliding block, a sliding groove is arranged on the first linear guide rail, the upper sliding block is located in the sliding groove and can slide up and down relative to the first linear guide rail, the first linear guide rail is fixedly connected with the upper guide rail support plate, and the upper guide rail support plate is fixedly connected with the lathe bed.

[0006] Preferably, the lower sliding block is located on the horizontally arranged second linear guide rail.

[0007] Preferably, the upper bearing seat is fixedly provided with a micrometer on one side, the micrometer is fixedly connected with the micrometer support plate, and the micrometer probe plate is fixedly connected with the side of the upper bearing seat.

[0008] Preferably, the upper bearing seat is fixedly provided with the upper bearing seat pressing block in front, and the upper bearing seat pressing block is fixedly connected with the scraper roll.

[0009] Preferably, the hand wheel connecting rod is provided with a bearing on the outside, the bearing is located on the hand wheel bearing seat, and the hand wheel bearing seat is provided with a hand wheel pressing plate on the upper surface.

[0010] Preferably, the scraper device further comprises a reducer connecting plate, the reducer connecting plate is connected between the reducer support plate and the reducer, and the side of the reducer support plate away from the reducer is provided with an end cover, and the end cover is connected to the outer side of the reducer support plate through screws.

[0011] Preferably, the scraper device further comprises a lower sliding block support seat, and the lower sliding block is located above the lower sliding block support seat.

[0012] Preferably, the scraper roller is a scraper roller, and the scraper roller is in a circular ring shape, and the circular ring surface is provided with an inwardly recessed blade edge.

[0013] Preferably, the scraper roller is a circular roller.

[0014] The utility model discloses a lower sliding block support seat is driven to move horizontally by adjusting hand wheel screw pair, and under the action of the inclined surface, it is converted into the displacement in the vertical direction of upper bearing seat, and the inclination of the inclined surface on the top of lower sliding block can be very small, and the rotation of hand wheel drives upper bearing seat to realize tiny vertical displacement, and the position of scraper roller is displayed through digital display, and the adjusting precision is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] The technical scheme of the utility model will be further explained below in combination with the drawings:

[0016] Figure 1 It is the front view of the scraper device of the rewinding machine of the utility model.

[0017] Figure 2 It is the left view of the scraper device of the rewinding machine of the utility model.

[0018] Figure 3 It is the top view of the scraper device of the rewinding machine of the utility model.

[0019] Figure 4 It is the connection schematic view of upper bearing seat and upper sliding block connecting plate.

[0020] Figure 5 It is the connection schematic view of lower sliding block and screw rod.

[0021] Figure 6 It is the partial sectional view of scraper roller.

[0022] Figure 7 It is the cross-sectional view of scraper roller.

[0023] Figure 8 It is the installation and use view of the scraper device of the rewinding machine of the utility model.

[0024] Figure 9 It is Figure 8 The partial enlarged view.

[0025] In the figure: 1, cylinder; 2, cylinder support plate; 3, upper bearing seat; 4, micrometer; 5, micrometer support plate; 6, micrometer probe plate; 7, hand wheel; 8, hand wheel connecting rod; 9, hand wheel pressing plate; 10, bearing; 11, hand wheel bearing seat; 12, speed reducer screw rod; 13, speed reducer; 14, speed reducer connecting plate; 15, speed reducer support plate; 16, nut; 17, lower sliding block support seat; 18, lower sliding block; 19, doctor roll, 191, cutting edge; 20, upper guide rail support plate; 21, first linear guide rail; 22, upper sliding block connecting plate; 23, inner hexagonal screw; 24, upper sliding block; 25, upper bearing seat pressing block; 26, second linear guide rail; 27, driving roller; 28, end cover. DETAILED DESCRIPTION

[0026] The technical solutions of the utility model will be described clearly and completely in combination with specific embodiments below, but those skilled in the art should understand that the embodiments described below are only used for illustrating the utility model and should not be regarded as limiting the scope of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative labor all belong to the scope of protection of the utility model.

[0027] As Figures 1-9 The utility model discloses a kind of doctor device of rewinding machine, including hand wheel 7, speed reducer 13, speed reducer screw rod 12, lower sliding block 18, upper bearing seat 3, cylinder 1 and micrometer 4.

[0028] The hand wheel connecting rod 8 and the hand wheel 7 are connected by a flat key. The outer side of the hand wheel connecting rod 8 is provided with a bearing 10, which is located on a hand wheel bearing seat 11. The upper surface of the hand wheel bearing seat 11 is provided with a hand wheel pressing plate 9. The hand wheel connecting rod 8 is connected with a shaft extending from the upper side of a speed reducer 13 by a flat key. One side of the speed reducer 13 is connected with a speed reducer screw rod 12 by a flat key. The speed reducer screw rod 12 is horizontally arranged. The speed reducer 13 converts the rotation of the hand wheel connecting rod 8 into the rotary motion of the speed reducer screw rod 12 around the central axis. The speed reducer 13 is selected from the existing speed reducers, which are not described in detail here. The speed reducer screw rod 12 is located on a speed reducer support plate 15 through a bearing in the middle. The speed reducer support plate 15 is fixedly connected with the machine tool bed. A speed reducer connecting plate 14 is fixedly connected with the speed reducer support plate 15 by bolts. The speed reducer connecting plate 14 is connected to the side of the speed reducer support plate 15 close to the speed reducer 13. An end cover 28 is arranged on the side of the speed reducer support plate 15 away from the speed reducer 13. The end cover 28 is connected to the outer side of the speed reducer support plate 15 by screws. The speed reducer screw rod 12 is provided with external threads on the side away from the speed reducer 13. A ball screw nut 16 is arranged on the speed reducer screw rod 12. The ball screw nut 16 is fixedly connected with a lower sliding block 18 by bolts. A gap is arranged between the end cover 28 and the ball screw nut 16. The lower sliding block 18 is located on the upper surface of a lower sliding block support seat 17. The top of the lower sliding block 18 is a slope with a very small slope. An upper bearing seat 3 is located on the upper surface of the lower sliding block 18. The bottom of the upper bearing seat 3 has a slope with the same slope. The lower sliding block 18 and the upper bearing seat 3 are connected by the slopes. The upper bearing seat 3 remains stationary in the horizontal direction, and converts the horizontal motion of the lower sliding block 18 into the vertical motion of the upper bearing seat 3. Because the slope has a very small slope, the rotation of the hand wheel 7 drives the slight lifting of the upper bearing seat 3.

[0029] The upper bearing seat 3 is fixedly provided with an upper bearing seat pressing block 25 on the front surface. The front surface is the front surface shown in the figure. The upper bearing seat pressing block 25 is fixedly connected with the scraper roller 19. Figure 1

[0030] The upper bearing seat 3 is fixedly connected with an upper sliding block connecting plate 22 on one side through a hexagonal socket head cap screw 23. The upper sliding block connecting plate 22 is fixedly connected with an upper sliding block 24. A first linear guide rail 21 is provided with a sliding groove. The upper sliding block 24 is located in the sliding groove and can slide up and down relative to the first linear guide rail 21. The first linear guide rail 21 is fixedly connected with an upper guide rail support plate 20. The upper guide rail support plate 20 is fixedly connected to the lathe bed. The upper guide rail support plate 20 keeps the first linear guide rail 21 in the vertical direction, thereby ensuring the vertical up-and-down motion of the upper bearing seat 3.

[0031] ​A cylinder 1 is arranged above the upper bearing seat 3, the cylinder 1 is fixedly connected with a cylinder support plate 2, the cylinder support plate 2 is fixedly connected with a machine tool bed, the piston rod of the cylinder 1 is connected with the upper bearing seat 3, the cylinder 1 pushes the piston rod to bear on the upper bearing seat 3, the upper bearing seat 3 is kept to exert a downward force, so that the upper bearing seat 3 keeps contact with the lower sliding block 18 at the inclined surface. The front end of the piston rod can be provided with external threads, and the external threads are connected with a nut, so that the distance between the cylinder 1 and the upper bearing seat 3 is adjusted.

[0032] A micrometer 4 is arranged on one side of the upper bearing seat 3, the micrometer 4 is fixedly connected with a micrometer support plate 5, the micrometer support plate 5 is fixedly arranged on the machine tool bed, and a micrometer probe plate 6 is fixedly connected with the side of the upper bearing seat 3.

[0033] The lower sliding block 18 is arranged on the second linear guide rail 26 arranged horizontally and transversely, and the lower sliding block 18 moves horizontally and linearly along the second linear guide rail 26.

[0034] As shown in Figure 6 , 7 , the blade edge 191 is arranged on the cross section of the doctor roll 19.

[0035] As shown in Figure 8 , 9 , the doctor roll 19 is connected with the driving roll 27, the steel roll surface of the doctor roll 19 and the driving roll 27 is plated with hard chromium; the driving roll 27 is wound with an aluminum film, the driving roll 27 rotates at high speed, and the blade edge 191 of the doctor roll 19 scrapes off the crystal point particles on the surface of the aluminum film material which does not meet the requirements.

[0036] The doctor roll 19 can also be replaced by a round roll, the cross section of the round roll is not provided with a blade edge, and the round roll is in the shape of a cylindrical surface; the crystal point particles on the surface of the aluminum film material are flattened by the round roll, so that the value of the particles which are higher than the film surface meets the requirements.

[0037] The doctor roll 19 and the round roll can be arranged on the rewinding machine at the same time, and the doctor roll 19 and the round roll jointly scrape off the crystal point particles on the surface of the aluminum film material which does not meet the requirements.

[0038] The position of the doctor device of the utility model is displayed by digital display, and can be locked after adjustment is completed; the gap is adjustable between 0-200um, the gap difference in the width direction is less than 10um, the gap adjustment accuracy is within 10um, and the device is different from general particle removal devices, the device scrapes off particles within 10um, and the adjustment accuracy is very high.

[0039] The utility model drives the lower sliding block support seat to horizontally translate through the adjusting hand wheel screw pair, and converts the displacement into the vertical displacement of the upper bearing seat under the action of the inclined surface, and the displacement digital display of the micrometer is used for fine adjustment.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A doctor device of a rewinding machine, characterized in that, It includes hand wheel (7), speed reducer (13), speed reducer screw rod (12), lower sliding block (18) and upper bearing seat (3); hand wheel (7) and speed reducer screw rod (12) are connected at the input end and the output end of speed reducer (13) respectively, the nut (16) is sleeved on the speed reducer screw rod (12), the nut (16) is fixedly connected with the lower sliding block (18); the top of the lower sliding block (18) is inclined, and the upper bearing seat (3) is located on the upper surface of the lower sliding block (18) and can slide relatively; the upper bearing seat (3) is connected with the scraping roller.

2. The doctor device of the rewinder according to claim 1, characterized in that It also includes a cylinder (1), the cylinder (1) is located above the upper bearing seat (3), the cylinder (1) is fixedly connected with the cylinder support plate (2), the cylinder support plate (2) is fixedly connected with the machine tool bed, the piston rod of the cylinder (1) is in abutment with the upper bearing seat (3).

3. The doctor device of the rewinder according to claim 1, characterized in that The upper bearing seat (3) is fixedly connected with the upper sliding block connecting plate (22) on one side, the upper sliding block connecting plate (22) is fixedly connected with the upper sliding block (24); the first linear guide rail (21) is provided with a sliding groove, the upper sliding block (24) is located in the sliding groove and can slide up and down relative to the first linear guide rail (21), the first linear guide rail (21) is fixedly connected with the upper guide rail support plate (20), and the upper guide rail support plate (20) is fixedly connected to the lathe bed.

4. The doctor device of the rewinder according to claim 1, characterized in that It also includes a second linear guide rail (26), and the lower sliding block (18) is located on the horizontally arranged second linear guide rail (26).

5. The doctor device of the rewinder according to claim 1, characterized in that, The upper bearing seat (3) is provided with a micrometer (4) on one side, the micrometer (4) is fixedly connected with the micrometer support plate (5), and the micrometer probe plate (6) is fixedly connected with the side of the upper bearing seat (3).

6. The doctor device of the rewinder according to claim 1, characterized in that, The hand wheel (7) is connected with the hand wheel connecting rod (8), the outer side of the hand wheel connecting rod (8) is provided with a bearing (10), the bearing (10) is located on the hand wheel bearing seat (11), and the upper surface of the hand wheel bearing seat (11) is provided with a hand wheel pressing plate (9).

7. The doctor device of the rewinder according to claim 1, characterized in that The hand wheel connecting rod (8) is connected with the upper protruding shaft of the speed reducer (13), the horizontal direction output shaft of the speed reducer (13) is fixedly connected with the speed reducer screw rod (12), the speed reducer screw rod (12) is horizontally arranged, the speed reducer screw rod (12) is located on the speed reducer support plate (15) through a bearing at the middle part, the speed reducer connecting plate (14) is connected between the speed reducer support plate (15) and the speed reducer (13), and the side, away from the speed reducer (13), of the speed reducer support plate (15) is provided with an end cover (28); the bottom of the lower sliding block (18) is provided with a lower sliding block support seat (17).

8. The doctor device of the rewinder according to claim 1, characterized in that, The bottom of the upper bearing seat (3) is inclined, and the inclination and direction of the inclined surface are the same as those of the top inclined surface of the lower sliding block (18).

9. The doctor device of a rewinding machine according to any of claims 1 to 8, characterized in that, The scraping roller is a doctor blade roller (19), and the doctor blade roller (19) is in the shape of a circular ring, and the circular ring surface is provided with an inwardly recessed blade edge (191).

10. The doctor device of the rewinding machine according to any of claims 1 to 8, characterized in that, The scraping roller is a circular roller.