Micro-concave kiss-coating roller scraper capable of adjusting scraping thickness
By combining the design of the drive and oscillation mechanism, the problem of inaccurate adjustment of the scraping thickness of the micro-concave coating roller was solved, achieving precise control of the scraper and uniformity of the coating, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202422962055.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing micro-concave coating rollers lack the function of automatically adjusting the coating thickness, resulting in inaccurate coating thickness control, affecting coating uniformity and product quality. Furthermore, manual adjustment is inefficient and increases the labor intensity of workers.
A micro-concave coating roller scraper was designed, comprising a drive mechanism and a swing mechanism. The drive mechanism enables coarse adjustment of the distance between the scraper and the micro-concave coating roller, while the swing mechanism enables fine adjustment of the angle and position. A self-locking motor and gear meshing connection ensure the stability of the sliding plate and precise control of the scraper.
It enables precise control of the scraper position, ensuring uniform coating thickness and product quality, improving production efficiency, and reducing the labor intensity of workers.
Smart Images

Figure CN223847295U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of micro concave kiss coating roller doctor blade, specifically relates to a micro concave kiss coating roller doctor blade of adjustable scraping thickness. BACKGROUND
[0002] In the paint, printing, papermaking and other industries, micro concave kiss coating roller doctor blade is widely used in the scraping and uniform coating process of paint, however, the existing micro concave kiss coating roller doctor blade has obvious deficiency in the adjustment of scraping thickness, specifically, the conventional doctor blade usually lacks the function of automatically adjusting the scraping thickness, leading to that when the scraping thickness needs to be adjusted in the actual use, the worker must manually operate, this manual adjustment mode has many disadvantages, first, manual adjustment can not ensure the accurate control of paint thickness, due to the error and uncertainty of manual operation, it is often difficult to achieve the ideal paint thickness, thereby affecting the uniformity of paint and product quality, second, manual adjustment is inefficient, increases the labor intensity of workers and reduces the production efficiency. SUMMARY
[0003] In view of the above-mentioned technical problems in the prior art, the utility model provides a micro concave kiss coating roller doctor blade with adjustable scraping thickness to solve the above-mentioned technical problems in the background art.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] The utility model provides a micro concave kiss coating roller doctor blade with adjustable scraping thickness, which comprises a base and a paint tank box arranged on the base, a micro concave kiss coating roller is arranged on the top of the paint tank box, one end of the micro concave kiss coating roller is in transmission connection with a driving motor, two parallel rails are arranged on the base on both sides of the paint tank box, a sliding plate is movably arranged on the two rails, a driving mechanism is arranged on the sliding plate and drives the sliding plate to move in cooperation with the rail, a supporting rod is arranged on the two sliding plates, an adjusting box is arranged between the two supporting rods, a doctor blade for cooperating with the micro concave kiss coating roller is pivotally connected to one side of the adjusting box, and a swing mechanism for accurately adjusting the inclination of the doctor blade is arranged on the adjusting box.
[0006] Further, two limiting plates are fixedly connected to the two ends of one side of the adjusting box, a horizontal rotating rod is arranged between the two limiting plates, one end of the doctor blade away from the cutting edge is fixedly connected with the rotating rod, linkage plates are arranged at the two ends of the rotating rod on the inner side of the two limiting plates, a slide rod parallel to the rotating rod is arranged between the two linkage plates, and the slide rod is driven to swing up and down by the swing mechanism to adjust the inclination of the doctor blade.
[0007] Further, the swing mechanism comprises a rotating connecting rod arranged on the adjusting box and a sliding sleeve arranged on the sliding rod, a linkage rod is arranged on the sliding sleeve, one end of the rotating connecting rod is fixedly connected with one end of the connecting plate, the other end of the connecting plate is slidably sleeved on the linkage rod, and the other end of the rotating connecting rod is in transmission connection with the self-locking motor.
[0008] Further, the rotating connecting rod and the linkage rod are horizontally arranged and parallel to each other, and the sliding rod and the connecting plate are vertically arranged on the rotating connecting rod.
[0009] Further, one side of each of the two tracks is provided with a rolling groove, and the top of each of the two tracks is provided with a rack, the drive mechanism comprises a rotating motor fixed on the sliding plate, a rotating gear engaged with the rack is arranged on the rotating shaft of the drive motor, an L-shaped plate is arranged on the sliding plate, and a rolling wheel matched with the rolling groove is arranged on the L-shaped plate.
[0010] Further, the top of the track on one side of the rack is provided with a sliding groove, and the bottom of the sliding plate is provided with a sliding block matched with the sliding groove.
[0011] The beneficial effects of the present application are as follows:
[0012] 1. The present application can realize accurate control of the position of the scraper by arranging the drive mechanism and the swing mechanism, and in use, the drive mechanism can coarsely adjust the distance between the scraper and the slightly concave kiss roll, and then the swing mechanism can further finely adjust the angle and position of the scraper, so as to ensure accurate control of the coating thickness and improve the uniformity of the coating and the product quality.
[0013] 2. The one-way rotation of the self-locking motor can drive the rotating connecting rod to rotate, the rotating connecting rod can drive the connecting plate to rotate along the rotating connecting rod, the connecting plate can drive the linkage rod to displace in the height direction, and under the limiting action of the connecting plate and the sliding rod, the linkage rod slides on the connecting plate, and at the same time, the linkage rod slides on the sliding rod through the sliding sleeve, so as to drive the sliding rod to swing up and down along the rotating rod, and then drive the scraper to swing up and down along the rotating rod, so as to finally realize angle adjustment of the scraper within a certain swing range, and the adjustment mode is stable and efficient.
[0014] 3. The meshing connection of the rotating gear and the rack ensures stable sliding of the sliding plate on the track, and the arrangement of the rolling wheel further enhances the stability in the sliding process and prevents the sliding plate from deviating. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the first structural schematic view of the present application.
[0016] Fig. 2 It is the second structural schematic view of the present application.
[0017] Fig. 3 Structure diagram of the swing mechanism of the present solution.
[0018] Fig. 4 Structure diagram of the driving mechanism of the present solution.
[0019] Wherein, 1, base; 2, paint tank box; 3, micro concave kiss coating roller; 4, driving motor; 5, track; 6, rack; 7, sliding plate; 8, support rod; 9, adjusting box; 10, scraper; 11, sliding block; 12, rotating motor; 13, rotating gear; 14, L-shaped plate; 15, rolling wheel; 16, self-locking motor; 17, first adjusting gear; 18, second adjusting gear; 19, rotating connecting rod; 20, connecting plate; 21, linkage rod; 22, sliding sleeve; 23, limiting plate; 24, linkage plate; 25, sliding rod; 26, rotating rod. DETAILED DESCRIPTION
[0020] The specific embodiments of the present application are described below to facilitate the understanding of the present application for those skilled in the art, but it should be clear that the present application is not limited to the scope of the specific embodiments, for those skilled in the art, as long as various changes are within the spirit and scope of the present application as defined and determined by the appended claims, these changes are obvious, all the utility model creations utilizing the concept of the present application are within the scope of protection.
[0021] As shown in Figs. 1 to 4 The present solution can adjust the thickness of the micro concave kiss coating roller scraper, which comprises a base 1 and a paint tank box 2 fixedly connected to the top of the base 1, a micro concave kiss coating roller 3 movably connected to the top of the paint tank box 2, and a driving motor 4 fixedly connected to one side of the paint tank box 2, the movable end of the driving motor 4 penetrating through the paint tank box 2 and being fixedly connected to the micro concave kiss coating roller 3.
[0022] The top of the base 1 is fixedly connected with rails 5 on both sides of the paint tank box 2, the top of the two rails 5 is movably connected with a rack 6, the top of the two racks 6 is movably connected with a sliding plate 7, the bottom of the two sliding plates 7 is provided with a driving mechanism for moving itself, the driving mechanism comprises a rotating motor 12, a rotating gear 13, an L-shaped plate 14 and a rolling wheel 15, one side of the sliding plate 7 is fixedly connected with the L-shaped plate 14, the bottom of the L-shaped plate 14 is movably connected with the rolling wheel 15, the top of the sliding plate 7 is fixedly connected with the rotating motor 12, the movable end of the rotating motor 12 is fixedly connected with the rotating gear 13 penetrating through the sliding plate 7, one side of the rotating gear 13 is meshingly connected with the toothed end of the rack 6; one side of the two rails 5 is provided with a rolling groove, and the side surface of the rolling wheel 15 is matched with the rolling groove; the top of the two rails 5 is provided with a sliding groove on one side corresponding to the two racks 6, and the bottom of the two sliding plates 7 is fixedly connected with a sliding block 11, and the bottom end of the two sliding blocks 11 is respectively slidably connected with the two sliding grooves.
[0023] The top of the two sliding plates 7 is fixedly connected with a support rod 8, the two support rods 8 are fixedly connected with an adjusting box 9, one side of the adjusting box 9 is provided with a scraper 10, and one side of the adjusting box 9 is provided with a swinging mechanism for accurately adjusting the inclination of the scraper 10.
[0024] The swinging mechanism comprises a self-locking motor 16, a first adjusting gear 17, a second adjusting gear 18, a rotating connecting rod 19, a connecting plate 20, a linkage rod 21, a sliding sleeve 22, a linkage plate 24, a sliding rod 25 and a rotating rod 26, one side of the adjusting box 9 is fixedly connected with the self-locking motor 16, the movable end of the self-locking motor 16 is fixedly connected with the first adjusting gear 17 penetrating through the adjusting box 9, one side of the first adjusting gear 17 is meshingly connected with the second adjusting gear 18, one side of the second adjusting gear 18 is fixedly connected with the rotating connecting rod 19, one end of the rotating connecting rod 19 penetrates through the adjusting box 9 and is fixedly connected with one end of the connecting plate 20, the other end of the rotating connecting rod 19 penetrates through the second adjusting gear 18 and is movably connected with the inner wall of the adjusting box 9; the other end of the connecting plate 20 is slidably sleeved on the linkage rod 21, one end of the linkage rod 21 is fixedly connected with the sliding sleeve 22, the sliding sleeve 22 is slidably sleeved on the sliding rod 25, both ends of the sliding rod 25 are fixedly connected with a linkage plate 24, and the two linkage plates 24 are fixedly connected with the rotating rod 26 on one side corresponding to the sliding rod 25. Both ends of the rotating rod 26 are fixedly penetrated through the two linkage plates 24; one side of the adjusting box 9 is fixedly connected with two limiting plates 23, one side of the two linkage plates 24 is respectively attached to the two limiting plates 23, and both ends of the rotating rod 26 are movably connected with the two linkage plates 24.
[0025] Preferably, the rotating rod 26 is horizontally arranged and parallel to the sliding rod 25, the rotating connecting rod 19 and the linkage rod 21 are horizontally arranged and parallel to each other, and the sliding rod 25 and the connecting plate 20 are vertically arranged to the rotating connecting rod 19.
[0026] When the thickness of the paint on the micro-concave kiss coating roller 3 needs to be adjusted, the two rotating gears 13 are first driven to rotate by the two rotating motors 12, so that the two rotating gears 13 drive the two sliding plates 7 to slide on the two tracks 5 through the meshing connection between the two rotating gears 13 and the two racks 6. The two sliding plates 7 drive the two sliding blocks 11 to slide in the sliding grooves of the two tracks 5, and at the same time, the two sliding plates 7 drive the two rolling wheels 15 to roll in the rolling grooves of the two tracks 5 through the two L-shaped plates 14, so as to prevent the two sliding plates 7 from deviating during sliding, and the sliding blocks 11 and the sliding grooves are slidably connected to support the sliding plates 7. Then, the two sliding plates 7 drive the two supporting rods 8 to slide, and the two supporting rods 8 drive the adjusting box 9 to slide, so that the scraper 10 on the adjusting box 9 approaches the micro-concave kiss coating roller 3, and the edge of the scraper 10 approaches the outer surface of the micro-concave kiss coating roller 3, thereby achieving a wide range of adjustment of the distance.
[0027] The first adjusting gear 17 is driven to rotate by the self-locking motor 16, and then the first adjusting gear 17 and the second adjusting gear 18 are meshed and transmitted through the meshing connection between the first adjusting gear 17 and the second adjusting gear 18, instead of the traditional direct transmission by the motor, to ensure the accuracy and constancy of the instantaneous transmission ratio during angle adjustment, and to ensure the stability and precision of the angle adjustment. At the same time, the meshing transmission of the first adjusting gear 17 and the second adjusting gear 18 mainly transmits motion and torque through the meshing of the teeth, and the meshing of the teeth also plays a limiting role to a certain extent, so that the scraper 10 is less likely to deviate under the force of scraping, and the self-locking function of the self-locking motor 16 is further matched, so as to ensure the stability of the scraper, so that the rotation of the rotating connecting rod 19 driven by the second adjusting gear 18 is more stable, the connecting plate 20 is driven to move in a circle by the rotating connecting rod 19, the other end of the connecting plate 20 drives the linkage rod 21 to move upward, the linkage rod 21 drives the sliding sleeve 22 to slide on the sliding rod 25, and the other end of the two linkage plates 24 drives the rotating rod 26 to rotate through the slight upward movement of the one end of the two linkage plates 24 driven by the sliding rod 25, so that the one end of the scraper 10 driven by the rotating rod 26 moves in a circle, and the edge of the scraper 10 moves in an arc while the scraper 10 moves downward, so that the distance between the edge of the scraper 10 and the surface of the micro-concave kiss coating roller 3 is shortened, thereby finely adjusting the thickness of the paint.
Claims
1. An adjustable draw down micro-cavity kiss roll doctor blade characterized by, The utility model provides a coating trough box is arranged on the base, the top of coating trough box is provided with micro concave kiss roll, one end of micro concave kiss roll is transmission connection with drive motor, two parallel tracks are arranged on the base of both sides of coating trough box, two tracks are movably provided with sliding plate, and the sliding plate is provided with drive mechanism that cooperates with track and drives itself to move, two sliding plates are provided with support rod, and the adjusting box is arranged between two support rods, the side pivotally connected with the scraper for cooperating with micro concave kiss roll of adjusting box is provided with swing mechanism for accurately adjusting the inclination of scraper.
2. An adjustable draw down micro-cavity kiss roll doctor blade according to claim 1 wherein, Two limit plates are fixedly connected on both ends of the side of the adjusting box, a horizontal rotating rod is arranged between the two limit plates, the end away from the cutting edge of the scraper is fixedly connected with the rotating rod, linkage plates are arranged on both ends of the rotating rod inside the two limit plates, a slide rod parallel to the rotating rod is arranged between the two linkage plates, the slide rod is driven to swing up and down by the swing mechanism and adjust the inclination of the scraper.
3. An adjustable draw down micro-cavity kiss roll doctor blade according to claim 2, wherein, The swing mechanism comprises a rotating link arranged on the adjusting box and a sliding sleeve slidably arranged on the slide rod, the sliding sleeve is provided with a linkage rod, one end of the rotating link is fixedly connected with one end of the connecting plate, the other end of the connecting plate is slidably sleeved on the linkage rod, the other end of the rotating link is transmission connection with the self-locking motor.
4. An adjustable draw down micro-cavity kiss roll doctor blade according to claim 3, wherein, The rotating link and the linkage rod are horizontally arranged and parallel to each other, and the slide rod and the connecting plate are vertically arranged with the rotating link.
5. The adjustable draw down micro-cavity kiss roll doctor blade of claim 1, wherein, One side of the track is provided with a rolling groove, and the top of the track is provided with a rack.
6. An adjustable doctor thickness micro-cavity kiss roll doctor blade according to claim 5, wherein, The top of the track on one side of the rack is provided with a sliding groove, and the bottom of the sliding plate is provided with a sliding block matched with the sliding groove.