Non-setting adhesive coating device capable of conveniently adjusting pressure

By introducing an adjustment mechanism and a spring support system into the coating device, the problem of uneven coating caused by insufficient pressure under the pinch roller is solved, and the coating uniformity and yield rate are improved.

CN223405233UActive Publication Date: 2025-10-03DOCOATING AUTOMATION TECH SUZHOU CO LTD
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Patent Information

Application Number
CN202422706621.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-03
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

When coating thin materials, the existing self-adhesive coating device causes uneven coating due to insufficient pressure from the pressing roller, which affects the yield rate.

Method used

A coating device including an adjustment mechanism and a spring support system is designed. The pressure of the pressing roller is adjusted through the cooperation of the adjustment mechanism and the spring, ensuring that the material obtains appropriate downward pressure during the coating process and preventing uneven coating.

Benefits of technology

The pressure adjustment of the pressing roller is realized, the uneven coating phenomenon is avoided, and the coating yield rate is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a non-setting adhesive coating device convenient to adjust pressure, relates to the field of coating devices, and aims to solve the technical problems that in the prior art, as the thicknesses of materials needing to be coated are different, when thin materials pass through the space between a pressing roller and a coating roller, the coating is not uniform due to insufficient pressing force of the pressing roller, and the coating quality is influenced. And the coating yield is influenced. Adjusting mechanisms are fixedly arranged in the middles of the end faces of the two sides in the coating device, movable grooves are formed in the end faces of one sides of the adjusting mechanisms, first guide rods are fixedly connected to the middles of the interiors of the movable grooves, and first springs and second springs are arranged on the first guide rods. A pressing roller is rotationally connected to the lower end of the middle of the position between the two adjusting mechanisms, a pressure adjusting plate is arranged at the upper end of the position between the two adjusting mechanisms, different downward pressure is provided for a linkage block through different compression degrees of a second spring, the pressing roller applies different downward pressure to materials, and pressure adjustment of the pressing roller is achieved.
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Description

Technical Field

[0001] The utility model relates to the field of coating devices, in particular to a self-adhesive coating device which is convenient for adjusting pressure. Background Art

[0002] Coating devices are widely used in industrial production, primarily for uniformly applying various fluid or semi-fluid materials to substrate surfaces. Their operating principle typically involves feeding the material to be coated via a specialized delivery system (such as a metering pump) into the coating device's core component—a coating die or coating roller. Under precise control, the coating die or coating roller applies the material to the substrate in a uniform, continuous, thin layer. This layer may then undergo subsequent processing, such as drying and curing, to form a coating with specific functional properties.

[0003] For example, the authorization announcement number CN 219073444 U discloses a coating device for self-adhesive labels, comprising a lifting device, the lifting device comprising a coating platform, the upper end of the coating platform being fixedly connected to a shell, the lower middle portion of the shell being fixedly connected to a telescopic cylinder, the lower end of the telescopic cylinder being fixedly connected to a limit frame, the middle portion of the limit frame being rotatably connected to a coating roller, the front end of the coating roller being fixedly connected to a motor 1. The coating device for self-adhesive labels starts the telescopic cylinder, which drives the limit frame downward, which drives the coating roller downward to contact the glue in the coating platform, rotates the screw, which drives the slider to move, which drives the pressure roller downward to adjust the distance between the pressure roller and the coating roller, and the screw simultaneously drives the caliper downward, making it convenient to adjust the pressure roller by observing the caliper, thereby facilitating the control of the pressure roller lifting and lowering and improving the coating force accuracy.

[0004] Since the thickness of the materials to be coated is different, when thinner materials pass between the pressure roller and the coating roller, the coating will be uneven due to insufficient pressure under the pressure roller, affecting the coating yield; therefore, the market urgently needs to develop a self-adhesive coating device that is easy to adjust the pressure to help people solve the existing problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a self-adhesive coating device that is easy to adjust the pressure, so as to solve the problem raised in the above background technology that the thickness of the materials to be coated are different, and when the thinner material passes between the pressure roller and the coating roller, the pressure under the pressure roller is insufficient, resulting in uneven coating, which affects the coating yield.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-adhesive coating device that is easy to adjust the pressure, comprising a coating table, a coating device is fixedly provided on the upper end of the coating table, an internal threaded tube is fixedly provided in the middle of the upper end surface of the coating device, an adjustment mechanism is fixedly provided in the middle of both end surfaces of the coating device, a movable groove is provided on one end surface of the adjustment mechanism, a first guide rod is fixedly connected to the middle of the movable groove, a first spring and a second spring are provided on the first guide rod, a pressing roller is rotatably connected to the lower end of the middle between the two adjustment mechanisms, and the pressing roller is fixed to the lower end of the middle between the two adjustment mechanisms. The middle part of the roller is rotatably connected to a fixed shaft, and both sides of the fixed shaft extend from both sides of the pressure roller and are fixedly connected to a linkage block, the lower end between the two adjusting mechanisms is rotatably connected to the coating roller, the middle part of the coating roller is fixedly connected to the rotating shaft, and one side of the coating device is fixedly provided with a driving device for driving the rotating shaft to rotate, a pressure regulating plate is provided at the upper end between the two adjusting mechanisms, lower pressure plates are fixedly connected on both sides of the pressure regulating plate, and a screw is rotatably connected to the middle part of the upper end of the pressure regulating plate, and rectangular openings are provided on the front and rear end surfaces of the coating device, and the two rectangular openings are parallel to each other.

[0007] Preferably, the two linkage blocks are respectively inserted into the movable slots of the two adjustment mechanisms, and the two first guide rods pass through the middle parts of the two linkage blocks respectively.

[0008] Preferably, the two lower pressing plates are respectively inserted into the movable grooves of the two adjusting mechanisms, and the two first guide rods pass through the middle parts of the two lower pressing plates respectively.

[0009] Preferably, the first spring is arranged between the lower end of the linkage block and the lower end surface of the movable groove, and the second spring is arranged between the upper end of the linkage block and the lower end of the lower pressure plate.

[0010] Preferably, guide tubes are provided on both sides of the middle of the upper end surface inside the coating device, and second guide rods are fixedly connected on both sides of the middle of the upper end of the pressure regulating plate, and the upper ends of the two second guide rods respectively pass through the two guide tubes and extend out of the upper end surface of the coating device.

[0011] Preferably, the upper end of the screw rod passes through the internal threaded tube, extends out of the upper end surface of the coating device and is fixedly connected with a knob, and the screw rod is threadedly connected to the internal threaded tube.

[0012] Preferably, a motor is fixedly installed inside the driving device, and one end of the rotating shaft extends into the driving device and is fixedly connected to the output shaft of the motor.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In this utility model, through the setting of the adjustment mechanism, the middle part of the end surfaces on both sides of the coating device is fixedly provided with an adjustment mechanism, and a movable groove is provided on one end surface of the adjustment mechanism. The middle part of the movable groove is fixedly connected with a first guide rod, and a first spring and a second spring are provided on the first guide rod. The two linkage blocks are supported by the first spring, and then the pressure roller is supported. When the pressure adjustment plate is lifted or lowered, the two lower pressure plates are synchronously driven to lift or lower in the movable groove, so that the lower pressure plate adjusts the compression degree of the second spring when lifting or lowering, and provides different downward pressures to the linkage blocks through the different compression degrees of the second spring, so that when the material passes between the pressure roller and the coating roller, the pressure roller applies different downward pressures to the material, thereby realizing pressure adjustment of the pressure roller and preventing uneven coating.

[0015] 2. In this utility model, through the setting of the screw, the middle part of the upper end of the pressure regulating plate is rotatably connected with a screw, the upper end of the screw passes through the internal threaded tube and extends out of the upper end face of the coating device and is fixedly connected with a knob, the screw is threadedly connected to the internal threaded tube, and the pressure regulating plate is driven to rise and fall by the lifting and lowering of the screw when it rotates. 3. In this utility model, through the setting of the second guide rod, guide tubes are provided on both sides of the middle part of the upper end face of the coating device, and second guide rods are fixedly connected on both sides of the middle part of the upper end of the pressure regulating plate, the upper ends of the two second guide rods respectively pass through the two guide tubes and extend out of the upper end face of the coating device, and the lifting and lowering of the second guide rods are guided by the guide tubes, so that the pressure regulating plate is kept stable by the second guide rods when it is lifted and lowered. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a self-adhesive coating device that is easy to adjust pressure according to the utility model;

[0017] Figure 2 This is the main sectional view of the utility model;

[0018] Figure 3 It is a side sectional view of the utility model;

[0019] Figure 4 It is an enlarged view of the detail A of the present utility model.

[0020] In the figure: 1. Coating station; 2. Coating device; 201. Internal threaded tube; 202. Guide tube; 203. Adjustment mechanism; 204. Movable groove; 205. First guide rod; 206. First spring; 207. Second spring; 208. Rectangular opening; 3. Pressing roller; 301. Fixed shaft; 302. Linkage block; 4. Pressure regulating plate; 401. Lower pressure plate; 402. Second guide rod; 403. Screw; 404. Knob; 5. Coating roller; 501. Rotating shaft; 6. Driving device; 601. Motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4 , the utility model provides an embodiment: a self-adhesive coating device that is easy to adjust the pressure, including a coating table 1, a coating device 2 is fixedly provided on the upper end of the coating table 1, an internal threaded tube 201 is fixedly provided in the middle of the upper end surface of the coating device 2, an adjustment mechanism 203 is fixedly provided in the middle of both end surfaces of the coating device 2, one end surface of the adjustment mechanism 203 is provided with a movable groove 204, the middle part of the movable groove 204 is fixedly connected to a first guide rod 205, the first guide rod 205 is provided with a first spring 206 and a second spring 207, the middle lower end between the two adjustment mechanisms 203 is rotatably connected to a pressure roller 3, and the middle of the pressure roller 3 is rotatably connected It is connected to a fixed shaft 301, and both sides of the fixed shaft 301 extend from both sides of the clamping roller 3 and are fixedly connected with a linkage block 302. The lower end between the two adjusting mechanisms 203 is rotatably connected to the coating roller 5, and the middle part of the coating roller 5 is fixedly connected to the rotating shaft 501. A driving device 6 for driving the rotating shaft 501 to rotate is fixedly provided on one side of the coating device 2. A pressure regulating plate 4 is provided at the upper end between the two adjusting mechanisms 203. The lower pressure plates 401 are fixedly connected on both sides of the pressure regulating plate 4. The middle part of the upper end of the pressure regulating plate 4 is rotatably connected with a screw 403. Rectangular openings 208 are provided on the front and rear end surfaces of the coating device 2, and the two rectangular openings 208 are parallel to each other.

[0023] Furthermore, the two linkage blocks 302 are respectively inserted into the movable slots 204 of the two adjustment mechanisms 203 , and the two first guide rods 205 pass through the middle of the two linkage blocks 302 .

[0024] Furthermore, the two lower pressing plates 401 are respectively inserted into the movable grooves 204 of the two adjusting mechanisms 203, and the two first guide rods 205 pass through the middle of the two lower pressing plates 401 respectively, and the linkage block 302 and the lower pressing plate 401 are guided to rise and fall in the movable grooves 204 through the first guide rods 205.

[0025] Furthermore, the first spring 206 is arranged between the lower end of the linkage block 302 and the lower end surface of the movable groove 204, and the second spring 207 is arranged between the upper end of the linkage block 302 and the lower end of the lower pressure plate 401. The two linkage blocks 302 are supported by the first spring 206, and then the pressure roller 3 is supported. When the pressure regulating plate 4 is raised or lowered, the two lower pressure plates 401 are simultaneously driven to rise and fall inside the movable groove 204, so that the lower pressure plate 401 adjusts the compression degree of the second spring 207 when rising or falling, and provides different downward pressures to the linkage block 302 through the different compression degrees of the second spring 207, so that when the material passes between the pressure roller 3 and the coating roller 5, the pressure roller 3 applies different downward pressures to the material, thereby realizing pressure adjustment of the pressure roller 3.

[0026] Furthermore, guide tubes 202 are provided on both sides of the middle part of the upper end surface of the coating device 2, and second guide rods 402 are fixedly connected on both sides of the middle part of the upper end of the pressure regulating plate 4. The upper ends of the two second guide rods 402 respectively pass through the two guide tubes 202 and extend out of the upper end surface of the coating device 2. The second guide rods 402 are guided by the guide tubes 202 for lifting and lowering, so that the pressure regulating plate 4 is kept stable by the second guide rods 402 when it is lifted and lowered.

[0027] Furthermore, the upper end of the screw 403 passes through the internal threaded tube 201 and extends out of the upper end surface of the coating device 2 and is fixedly connected to the knob 404. The screw 403 is threadedly connected to the internal threaded tube 201. The pressure regulating plate 4 is driven to rise and fall by the lifting and lowering of the screw 403 when it rotates.

[0028] Furthermore, a motor 601 is fixedly installed inside the driving device 6, and one end of the rotating shaft 501 extends into the driving device 6 and is fixedly connected to the output shaft of the motor 601. The rotating shaft 501 is driven by the motor 601 to rotate, so that the rotating shaft 501 drives the coating roller 5 to rotate to coat the material.

[0029] Working principle: When in use, the material is inserted from the rectangular opening 208 at the rear end of the coating device 2, passes between the pressure roller 3 and the coating roller 5, and then extends from the rectangular opening 208 at the front end of the coating device 2. An adjustment mechanism is fixedly provided at the middle of the end surfaces on both sides of the coating device 2. The two linkage blocks 302 are supported by the first spring 206, and then the pressure roller 3 is supported. The pressure regulating plate 4 is driven to rise and fall by the rotation of the screw 403. When the pressure regulating plate 4 rises and falls, the two lower pressure plates 401 are simultaneously driven to rise and fall in the movable groove 204, so that the lower pressure plate 401 adjusts the compression degree of the second spring 207 when rising and falling, and provides different downward pressures to the linkage block 302 through the different compression degrees of the second spring 207. In this way, when the material passes between the pressure roller 3 and the coating roller 5, the pressure roller 3 applies different downward pressures to the material, thereby realizing pressure adjustment of the pressure roller 3 and preventing uneven coating. The motor 601 drives the rotating shaft 501 to rotate, so that the rotating shaft 501 drives the coating roller 5 to rotate to coat the material. Guide tubes 202 are provided on both sides of the middle of the upper end surface of the coating device 2, and second guide rods 402 are fixedly connected on both sides of the middle of the upper end of the pressure regulating plate 4. The upper ends of the two second guide rods 402 respectively pass through the two guide tubes 202 and extend out of the upper end surface of the coating device 2. The second guide rods 402 are guided by the guide tubes 202 to be raised and lowered, so that the pressure regulating plate 4 is kept stable by the second guide rods 402 when it is raised and lowered.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A pressure-adjustable adhesive coating device, comprising a coating station (1), characterized in that: A coating device (2) is fixedly provided at the upper end of the coating table (1), an internal threaded tube (201) is fixedly provided at the middle of the upper end surface of the coating device (2), an adjustment mechanism (203) is fixedly provided at the middle of both end surfaces of the coating device (2), one end surface of the adjustment mechanism (203) is provided with a movable groove (204), a first guide rod (205) is fixedly connected to the middle of the movable groove (204), a first spring (206) and a second spring (207) are provided on the first guide rod (205), a pressing roller (3) is rotatably connected to the lower end of the middle between the two adjustment mechanisms (203), a fixed shaft (301) is rotatably connected to the middle of the pressing roller (3), and the fixed shaft (301) is divided into two parts on both sides. The two adjusting mechanisms (203) extend from both sides of the clamping roller (3) and are fixedly connected to linkage blocks (302). The lower end between the two adjusting mechanisms (203) is rotatably connected to a coating roller (5). The middle of the coating roller (5) is fixedly connected to a rotating shaft (501). A driving device (6) for driving the rotating shaft (501) to rotate is fixedly provided on one side of the coating device (2). A pressure regulating plate (4) is provided at the upper end between the two adjusting mechanisms (203). Both sides of the pressure regulating plate (4) are fixedly connected to lower pressure plates (401). The middle of the upper end of the pressure regulating plate (4) is rotatably connected to a screw (403). Rectangular openings (208) are provided on both front and rear end surfaces of the coating device (2), and the two rectangular openings (208) are parallel to each other.

2. The pressure-adjustable adhesive coating device according to claim 1, characterized in that: The two linkage blocks (302) are respectively inserted into the movable slots (204) of the two adjustment mechanisms (203), and the two first guide rods (205) respectively pass through the middle of the two linkage blocks (302).

3. The pressure-adjustable adhesive coating device according to claim 1, characterized in that: The two lower pressing plates (401) are respectively inserted into the movable grooves (204) of the two adjusting mechanisms (203), and the two first guide rods (205) respectively pass through the middle of the two lower pressing plates (401).

4. The pressure-adjustable adhesive coating device according to claim 1, characterized in that: The first spring (206) is arranged between the lower end of the linkage block (302) and the lower end surface of the movable groove (204), and the second spring (207) is arranged between the upper end of the linkage block (302) and the lower end of the lower pressure plate (401).

5. The pressure-adjustable adhesive coating device according to claim 1, characterized in that: Guide tubes (202) are provided on both sides of the middle of the upper end surface of the coating device (2), and second guide rods (402) are fixedly connected on both sides of the middle of the upper end of the pressure regulating plate (4), and the upper ends of the two second guide rods (402) respectively pass through the two guide tubes (202) and extend out of the upper end surface of the coating device (2).

6. The pressure-adjustable adhesive coating device according to claim 1, characterized in that: The upper end of the screw rod (403) passes through the internal threaded tube (201) and extends out of the upper end surface of the coating device (2) and is fixedly connected to a knob (404). The screw rod (403) is threadedly connected to the internal threaded tube (201).

7. The pressure-adjustable adhesive coating device according to claim 1, characterized in that: A motor (601) is fixedly arranged inside the driving device (6), and one end of the rotating shaft (501) extends into the driving device (6) and is fixedly connected to the output shaft of the motor (601).