Coating thickness adjusting device

The coating thickness adjustment mechanism addresses the issue of uneven coating by precisely regulating the roller gap using a controlled system with rotating arms and micro-adjustments, ensuring uniform coating thickness.

CN223097158UActive Publication Date: 2025-07-15HEBEI HUASHENG PLASTIC & RUBBER MACHINERY CO LTD
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Patent Information

Application Number
CN202422075618.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-15
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The existing roller coating equipment has poor accuracy when adjusting the coating thickness, resulting in uneven coating and the problem that the worm gear and worm structure cannot effectively adjust the subtle torsion.

Method used

The mounting frame, mobile roller, adjustment mechanism and supporting controller are used to accurately adjust the size of the coating channel through the rotating arm, telescopic structure and fine-tuning structure, and combine the laser rangefinder to detect the coating thickness and feedback the controller to adjust it to achieve high-precision coating thickness control.

Benefits of technology

High-precision adjustment and uniformity of coating thickness are achieved, and production efficiency and product quality are improved.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223097158U_ABST
    Figure CN223097158U_ABST
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Abstract

The utility model provides a coating thickness adjusting device which comprises a mounting frame and a fixed roller rotationally arranged on the mounting frame. The movable roller and the fixed roller are arranged at an interval, and a coating channel is formed between the movable roller and the fixed roller; the adjusting mechanism is arranged on the mounting frame, and the adjusting mechanism is used for being connected with the movable roller so as to adjust the size of the coating channel, so that the thickness of the coating on the base material is adjusted; and a matched controller. The coating thickness adjusting device provided by the utility model is provided with the mounting frame which can be rotatably connected with the fixed roller; the movable roller and the adjusting mechanism are arranged, and the size of a coating channel formed between the movable roller and the fixed roller can be adjusted through the adjusting mechanism; the matched controller is arranged and can be electrically connected with the adjusting mechanism to control the size of the coating channel, so that the thickness of the coating on the base material is adjusted; the adjusting precision is high, the coating thickness is uniform, and the practicability is good.
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Description

Technical Field

[0001] The utility model belongs to the technical field of coating thickness adjustment, and particularly relates to a coating thickness adjustment device. Background Art

[0002] Coating material is a covering layer coated on the surface of a substrate, which can be gaseous, liquid or solid. It is applied to the surface of the substrate by physical or chemical methods to form a thin film.

[0003] In the prior art, when continuously coating on the surface of a rolled substrate, a roller coating process is usually adopted. Through the channel formed between two rollers, the coating is evenly arranged on the substrate. However, for different coating thicknesses, the channel between the two rollers needs to be adjusted, that is, the axial distance between the two rollers needs to be adjusted. Usually, through a worm and worm gear structure connected to one of the rollers, the adjustment accuracy is poor. In addition, if one or both of the rollers are slightly twisted, it will also cause uneven coating thickness. At this time, the worm and worm gear cannot be adjusted, and the practicability is poor. Summary of the Utility Model

[0004] An embodiment of the utility model provides a coating thickness adjustment device, aiming to solve the problems of poor adjustment accuracy of the existing roller coating equipment and uneven coating of the produced products.

[0005] To achieve the above object, the technical solution adopted by the utility model is: to provide a coating thickness adjustment device, including:

[0006] A mounting frame, on which a fixed roller is rotatably provided;

[0007] A moving roller, arranged at an interval from the fixed roller, and a coating channel is formed between the moving roller and the fixed roller;

[0008] An adjustment mechanism, arranged on the mounting frame, and the adjustment mechanism is used for connecting the moving roller to adjust the size of the coating channel, so as to adjust the thickness of the coating on the substrate;

[0009] A supporting controller.

[0010] In a possible implementation manner, the axial direction of the fixed roller is set as the first direction;

[0011] The adjustment mechanism includes:

[0012] Rotating arms, there are two rotating arms, and the two rotating arms are arranged at an interval along the first direction. Each rotating arm is rotatably arranged on the mounting frame, and a transfer seat for rotatably connecting the moving roller is provided at one end of each rotating arm;

[0013] There are two telescopic structures, and the two telescopic structures are respectively connected to the other ends of the two rotating arms, and are used to drive the pitching rotation of the rotating arms.

[0014] In a possible implementation manner, the adjusting mechanism further includes two fine-tuning structures. The two fine-tuning structures are both arranged on the mounting frame and are arranged in one-to-one correspondence with the two rotating arms. Each fine-tuning structure has an adjusting portion, and the adjusting portion abuts against the corresponding rotating arm, and the adjusting portion is used to finely adjust the pitching angle of the corresponding rotating arm.

[0015] In a possible implementation manner, a rotating shaft rotatably connected to the mounting frame is provided on each rotating arm, and the rotating shaft is arranged close to the adapter seat.

[0016] In a possible implementation manner, each of the fine-tuning structures includes:

[0017] A cam that abuts against the corresponding rotating arm, and the cam is the adjusting portion;

[0018] A driving motor is fixedly arranged on the mounting frame, and an output end of the driving motor is connected to the cam for driving the cam to rotate.

[0019] In a possible implementation manner, the coating thickness adjusting device further includes a detection mechanism. The detection mechanism is spaced from the mounting frame in a direction perpendicular and horizontal to the first direction, and is used to detect the thickness of the coating.

[0020] In a possible implementation manner, the detection mechanism includes:

[0021] A fixing frame, which is spaced from the mounting frame along the conveying direction of the rolled substrate;

[0022] There are two thickness detection units. The two thickness detection units are respectively located on the upper and lower surfaces of the rolled substrate and are used to detect the thickness of the rolled substrate passing through the coating channel.

[0023] In a possible implementation manner, each of the thickness detection units includes a plurality of laser rangefinders spaced along the first direction.

[0024] In this implementation manner, compared with the prior art, a mounting frame is provided, which can rotatably connect the fixed roller; a moving roller and an adjusting mechanism are provided, and the size of the coating channel formed between the moving roller and the fixed roller can be adjusted through the adjusting mechanism; a supporting controller is provided, which can be electrically connected to the adjusting mechanism to control the size of the coating channel, so as to adjust the thickness of the coating on the substrate; the adjustment accuracy is high, the coating thickness is uniform, and the practicability is good. Description of the Drawings

[0025] Figure 1 Schematic structural diagram of the coating thickness adjusting device provided by an embodiment of the present utility model;

[0026] Explanation of reference numerals:

[0027] 10. Mounting frame; 11. Fixed roller; 20. Movable roller; 30. Adjusting mechanism; 31. Rotating arm; 311. Adapter seat; 312. Rotating shaft; 32. Telescopic structure; 33. Fine-tuning structure; 331. Cam; 332. Driving motor; 40. Detection mechanism; 41. Fixed frame; 42. Thickness detection unit. Specific implementation manners

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] Please refer to Figure 1 together, and now the coating thickness adjusting device provided by the present utility model will be described. The coating thickness adjusting device includes a mounting frame 10, a movable roller 20, an adjusting mechanism 30 and a supporting controller. The mounting frame 10 is rotatably provided with a fixed roller 11. The movable roller 20 is arranged at an interval from the fixed roller 11, and a coating channel is formed between the movable roller 20 and the fixed roller 11. The adjusting mechanism 30 is arranged on the mounting frame 10 and is used for connecting the movable roller 20 to adjust the size of the coating channel, so as to adjust the thickness of the coating on the substrate. Supporting controller.

[0030] Compared with the prior art, the coating thickness adjusting device provided by this embodiment is provided with a mounting frame 10, which can rotatably connect the fixed roller 11. The movable roller 20 and the adjusting mechanism 30 are provided, and the size of the coating channel formed between the movable roller 20 and the fixed roller 11 can be adjusted through the adjusting mechanism 30. A supporting controller is provided, which can be electrically connected to the adjusting mechanism 30 to control the size of the coating channel, so as to adjust the thickness of the coating on the substrate. The adjustment accuracy is high, the coating thickness is uniform, and the practicability is good.

[0031] In some embodiments, the above-mentioned adjusting mechanism 30 can adopt the structure as Figure 1 shown. Refer to Figure 1 , and set the axial direction of the fixed roller 11 as the first direction.

[0032] The adjusting mechanism 30 includes a rotating arm 31 and a telescopic structure 32. There are two rotating arms 31, and the two rotating arms 31 are arranged at intervals in the first direction. Each rotating arm 31 is rotatably arranged on the mounting frame 10, and a transfer seat 311 for rotatably connecting the moving roller 20 is provided at one end of each rotating arm 31. There are two telescopic structures 32, and the two telescopic structures 32 are respectively connected to the other ends of the two rotating arms 31 for driving the rotating arms 31 to pitch and rotate.

[0033] The two rotating arms 31 can ensure that the moving rollers 20 connected by the two transfer seats 311 move along a fixed track, and the two telescopic structures 32 can drive the two rotating arms 31 to pitch and rotate.

[0034] As a specific implementation manner of this embodiment, each rotating arm 31 is rotatably arranged on the mounting frame 10, a transfer seat 311 for rotatably connecting the moving roller 20 is provided at one end, and the other end is connected to the corresponding telescopic structure 32.

[0035] One end of each telescopic structure 32 is hinged to the mounting frame 10, and the other end of each telescopic structure 32 is hinged to the other end of the corresponding rotating arm 31.

[0036] It should be explained that the telescopic structure 32 can be a hydraulic cylinder or a pneumatic cylinder. A hydraulic cylinder is a device that converts hydraulic energy into mechanical energy and is mainly responsible for performing linear reciprocating motion or swinging motion. The hydraulic cylinder is a prior art and will not be elaborated here.

[0037] In some embodiments, the above-mentioned adjusting mechanism 30 can adopt the structure as Figure 1 shown. Refer to Figure 1 , the adjusting mechanism 30 further includes two fine-tuning structures 33. The two fine-tuning structures 33 are both arranged on the mounting frame 10 and are arranged in one-to-one correspondence with the two rotating arms 31. Each fine-tuning structure 33 has an adjusting portion, and the adjusting portion abuts against the corresponding rotating arm 31. The adjusting portion is used for finely adjusting the pitching angle of the corresponding rotating arm 31.

[0038] The two fine-tuning structures 33 can ensure the fine adjustment of the pitching angle of the corresponding rotating arm 31.

[0039] As a specific implementation manner of this embodiment, the adjusting portions of the two fine-tuning structures 33 can abut against the corresponding rotating arms 31.

[0040] In some embodiments, the above-mentioned rotating arm 31 can adopt the structure as Figure 1 shown. Refer to Figure 1 , a rotating shaft 312 rotatably connected to the mounting frame 10 is provided on each rotating arm 31, and the rotating shaft 312 is arranged close to the transfer seat 311.

[0041] A rotating shaft 312 rotatably connected to the mounting frame 10 is provided on each rotating arm 31. The rotating shaft 312 is arranged close to the adapter base 311, which can make the adjustment angle of the rotating arm 31 more accurate and has a high adjustment precision.

[0042] In some embodiments, the above-mentioned fine-tuning structure 33 can adopt the structure as Figure 1 shown. Refer to Figure 1 . Each fine-tuning structure 33 includes: a cam 331 and a driving motor 332. The cam 331 abuts against the corresponding rotating arm 31, and the cam 331 is an adjustment part. The driving motor 332 is fixedly arranged on the mounting frame 10, and the output end of the driving motor 332 is connected to the cam 331 for driving the cam 331 to rotate.

[0043] The cam 331 can abut against the corresponding rotating arm 31. By rotating the cam 331, the pitching angle of the rotating arm 31 can be finely adjusted. The driving motor 332 can drive the cam 331 to rotate.

[0044] It should be explained that the driving motor 332 can be a servo motor. A servo motor is an engine that controls the operation of mechanical components in a servo system. It is usually used as an auxiliary motor indirect speed change device for converting electrical signals into accurate angular displacements or angular velocities. The servo motor is a prior art and will not be elaborated here.

[0045] In some embodiments, the above-mentioned coating thickness adjustment device can adopt the structure as Figure 1 shown. Refer to Figure 1 . The coating thickness adjustment device further includes a detection mechanism 40. The detection mechanism 40 is spaced from the mounting frame 10 in a direction perpendicular to and horizontal to the first direction for detecting the thickness of the coating.

[0046] The detection mechanism 40 can ensure that the thickness of the coating is detected and transmitted to the supporting controller, and the position of the moving roller 20 is adjusted through the adjustment mechanism 30 connected to the supporting controller.

[0047] As a specific implementation manner of this embodiment, the detection mechanism 40 can be spaced from the mounting frame 10 in a direction perpendicular to and horizontal to the first direction.

[0048] In some embodiments, the above-mentioned detection mechanism 40 can adopt the structure as Figure 1 shown. Refer to Figure 1 . The detection mechanism 40 includes: a fixed frame 41 and a thickness detection unit 42. The fixed frame 41 is spaced from the mounting frame 10 along the conveying direction of the rolled substrate. There are two thickness detection units 42, and the two thickness detection units 42 are respectively located on the upper and lower surfaces of the rolled substrate for detecting the thickness of the rolled substrate passing through the coating channel.

[0049] Two thickness detection units 42 can ensure the detection of the thickness of the rolled substrate passing through the coating channel.

[0050] In some embodiments, the above-mentioned thickness detection unit 42 may adopt the structure as Figure 1 shown. Refer to Figure 1 , each thickness detection unit 42 includes a plurality of laser rangefinders arranged at intervals along the first direction.

[0051] A laser rangefinder is a device that uses laser technology to accurately measure the distance to a target. It determines the distance by emitting and receiving laser beams, and has advantages such as high precision and fast speed. The laser rangefinder is a prior art and will not be elaborated here.

[0052] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Coating thickness adjustment device, characterized in that, Including: An installation frame, on which a fixed roller is rotatably provided; A moving roller, which is arranged at an interval from the fixed roller, and a coating channel is formed between the moving roller and the fixed roller; An adjusting mechanism, which is arranged on the installation frame, and the adjusting mechanism is used for connecting the moving roller to adjust the size of the coating channel, so as to adjust the thickness of the coating on the substrate; A supporting controller.

2. The coating thickness adjusting device according to claim 1, wherein, Set the axial direction of the fixed roller as the first direction; The adjusting mechanism includes: Two rotating arms, which are arranged at intervals along the first direction, each rotating arm is rotatably arranged on the installation frame, and a transfer seat for the moving roller to rotatably connect is provided at one end of each rotating arm; Two telescopic structures, which are respectively connected to the other ends of the two rotating arms and are used for driving the rotating arms to pitch and rotate.

3. The coating thickness adjusting device according to claim 2, characterized in that The adjusting mechanism further includes two fine-tuning structures, both of which are arranged on the installation frame and are arranged in one-to-one correspondence with the two rotating arms. Each fine-tuning structure has an adjusting part, and the adjusting part abuts against the corresponding rotating arm, and the adjusting part is used for finely adjusting the pitching angle of the corresponding rotating arm.

4. The coating thickness adjusting device according to claim 2, characterized in that, A rotating shaft rotatably connected to the installation frame is provided on each rotating arm, and the rotating shaft is arranged close to the transfer seat.

5. The coating thickness adjusting device according to claim 3, wherein, Each of the fine-tuning structures includes: A cam, which abuts against the corresponding rotating arm, and the cam is the adjusting part; A driving motor, which is fixedly arranged on the installation frame, and the output end of the driving motor is connected to the cam for driving the cam to rotate.

6. The coating thickness adjusting device according to claim 2, wherein The coating thickness adjusting device further includes a detection mechanism, which is spaced from the installation frame in a direction perpendicular to and horizontal to the first direction for detecting the thickness of the coating.

7. The coating thickness adjusting device according to claim 6, wherein The detection mechanism includes: A fixed frame, which is arranged at an interval from the installation frame along the conveying direction of the rolled substrate; Two thickness detection units, which are respectively located on the upper and lower sides of the rolled substrate and are used for detecting the thickness of the rolled substrate passing through the coating channel.

8. The coating thickness adjusting device according to claim 7, wherein, Each of the thickness detection units includes a plurality of laser rangefinders arranged at intervals along the first direction.