Coating device for adhesive sticker production
Through the coordination of the lifting motor and the scale mark, the precise control of the pressing roller is achieved, which solves the problem of inaccurate lifting and lowering of the pressing roller in the existing coating device, and improves the accuracy of the coating force and the coating quality.
Patent Information
- Application Number
- CN202422124832.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The existing coating devices are difficult to finely control the lifting height of the compression roller, affecting the accuracy of the coating force, and thus affecting the coating quality.
The lifting motor drives the screw to drive the precise movement of the moving block and the compression roller, and observe the height of the compression roller with the scale line, instead of the hydraulic cylinder driving, and realize the precise control of the compression roller.
Improve the accuracy of coating force and ensure the stability and consistency of coating quality.
Smart Images

Figure CN223171179U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of self-adhesive production, in particular to a coating device for self-adhesive production. Background Art
[0002] Self-adhesive labels, also known as self-adhesive label materials, are composite materials made of paper, film, or specialty materials, with an adhesive coating on the back and a silicone-coated protective paper as the backing. Coating devices are primarily used in the surface coating process for films and paper. They apply a layer of adhesive, paint, or ink to the rolled substrate, drying it, and then rewinding it. Coating devices are often used in the self-adhesive label production process.
[0003] In the process of coating the self-adhesive adhesive, the existing coating device first squeezes the substrate through the pressure roller and then coats the substrate through the coating roller. However, most of the existing coating devices use a hydraulic cylinder to drive the pressure roller to rise and fall, and it is difficult to finely control the lifting height of the pressure roller, which will affect the accuracy of the coating force and may affect the coating quality. Therefore, the utility model provides a coating device for the production of self-adhesive adhesives. Utility Model Content
[0004] In view of the deficiencies in the prior art, the present invention provides a coating device for producing self-adhesive stickers, which is used to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] The top of the base is provided with a glue groove, the top of the base is provided with a driving assembly, the top of the base is provided with a coating roller through the driving assembly, the top of the base is fixedly installed with a support frame, the right side of the support frame is fixedly installed with a horizontal plate, the top of the horizontal plate is fixedly installed with a lifting motor, the output end of the lifting motor passes through the horizontal plate and extends to the bottom of the horizontal plate and is fixedly installed with a screw, the surface of the screw is threadedly connected to a moving block, the inside of the moving block is slidably connected with a guide rod, and the guide rod is fixedly connected to the horizontal plate, the bottom of the moving block is fixedly installed with a moving frame, the inside of the moving frame is rotatably connected with a pressing roller, the front side of the moving frame is fixedly installed with a connecting plate, the left side of the connecting plate is fixedly installed with a pointer, the right side of the support frame is fixedly installed with a scale line, the top of the base is provided with a scraping assembly, and the inside of the base is provided with a stirring assembly.
[0007] Preferably, the driving assembly includes a first fixed plate arranged on the top of the base, a driving motor is fixedly installed on the front side of the first fixed plate, and the output end of the driving motor is fixedly connected to the coating roller, and the coating roller is rotatably connected to the first fixed plate.
[0008] Preferably, the leveling assembly includes a second fixing plate disposed on the top of the base. An electric push rod is fixedly installed on the left side of the second fixing plate, and a scraper is fixedly installed at the output end of the electric push rod.
[0009] Preferably, the stirring assembly includes a rotating motor disposed at the bottom of the base. The output end of the rotating motor penetrates through the base and extends into the glue tank, and a rotating rod is fixedly installed. Stirring rods are fixedly installed on the surface of the rotating rod.
[0010] Preferably, a plurality of support legs are fixedly installed at the bottom of the base.
[0011] Preferably, the connecting plate has an L-shaped structure and is made of stainless steel.
[0012] Preferably, the number of the guide rods is multiple, and the multiple guide rods are arranged in an array.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the coating device for producing self-adhesive labels, after placing the base material, the screw rod is rotated by the lifting motor, so that the moving block moves downward along the guide rod, driving the moving frame, the pressing roller, the connecting plate and the pointer to move downward. Through the change of the pointer on the scale line, the descending height of the pressing roller can be accurately observed. Until the pressing roller descends to an appropriate height, the method of using a hydraulic cylinder to drive the lifting of the pressing roller is avoided, which is convenient to more accurately and intuitively observe the descending height of the pressing roller and improve the accuracy of the coating force. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional perspective view of the structure of the present utility model;
[0015] Figure 2 is a right sectional view of the structure of the present utility model;
[0016] Figure 3 is the present utility model Figure 2 an enlarged view of part A in;
[0017] Figure 4 is a front sectional view of the structure of the present utility model.
[0018] In the figure: 1. Base; 2. Glue tank; 3. First fixing plate; 4. Driving motor; 5. Coating roller; 6. Support frame; 7. Cross plate; 8. Lifting motor; 9. Screw rod; 10. Moving block; 11. Guide rod; 12. Moving frame; 13. Pressing roller; 14. Connecting plate; 15. Pointer; 16. Scale line; 17. Second fixing plate; 18. Electric push rod; 19. Scraper; 20. Rotating motor; 21. Rotating rod; 22. Stirring rod; 23. Support leg. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0020] Refer to Figures 1-4, A coating device for producing self-adhesive labels, including a base 1. A glue tank 2 is opened at the top of the base 1. A driving component is arranged at the top of the base 1. A coating roller 5 is arranged at the top of the base 1 through the driving component. The driving component includes a first fixing plate 3 arranged at the top of the base 1. A driving motor 4 is fixedly installed on the front side of the first fixing plate 3. The output end of the driving motor 4 is fixedly connected to the coating roller 5. The coating roller 5 is rotatably connected to the first fixing plate 3. Through the setting of the driving component, it is convenient to provide driving force for the rotation of the coating roller 5, avoiding the phenomenon that the coating roller 5 is inconvenient to rotate. A support frame 6 is fixedly installed at the top of the base 1. A cross plate 7 is fixedly installed on the right side of the support frame 6. A lifting motor 8 is fixedly installed on the top of the cross plate 7. The output end of the lifting motor 8 penetrates through the cross plate 7 and extends to the bottom of the cross plate 7 and is fixedly installed with a screw rod 9. A moving block 10 is threadedly connected to the surface of the screw rod 9. A guide rod 11 is slidably connected inside the moving block 10. The guide rod 11 is fixedly connected to the cross plate 7. The number of guide rods 11 is multiple, and the multiple guide rods 11 are arranged in an array. Through the setting of the multiple guide rods 11, it is convenient to more stably guide the moving block 10, avoiding the phenomenon that the moving block 10 deviates when moving up and down. A moving frame 12 is fixedly installed at the bottom of the moving block 10. A pressing roller 13 is rotatably connected inside the moving frame 12. A connecting plate 14 is fixedly installed on the front side of the moving frame 12. The connecting plate 14 is in an L-shaped structure and is made of stainless steel. Through the setting of making the connecting plate 14 of stainless steel material, it is convenient for the connecting plate 14 to have higher structural strength, so that the connecting plate 14 is more durable. A pointer 15 is fixedly installed on the left side of the connecting plate 14. A scale line 16 is fixedly installed on the right side of the support frame 6. A scraping component is arranged at the top of the base 1. The scraping component includes a second fixing plateIt avoids driving the lifting of the pressing roller 13 by using a hydraulic cylinder, which facilitates more accurate and intuitive observation of the descending height of the pressing roller 13 and improves the accuracy of the coating force.
[0021] This coating device for self-adhesive production is connected to the 220V mains power supply, and the main controller can be a conventional known device such as a computer for control.
[0022] During use: Before coating, start the rotating motor 20 to make the rotating rod 21 rotate, so that the stirring rod 22 rotates to stir the glue in the glue tank 2 until the glue in the glue tank 2 is stirred evenly. After placing the substrate into the device, start the lifting motor 8 to make the screw rod 9 rotate, so that the moving block 10 moves downward along the guide rod 11, driving the moving frame 12, the pressing roller 13, the connecting plate 14 and the pointer 15 to move downward. Through the change of the pointer 15 on the scale line 16, the descending height of the pressing roller 13 can be accurately observed until the pressing roller 13 descends to an appropriate height. Then start the electric push rod 18 to make the scraper 19 move to the left until the scraper 19 moves to an appropriate position. Start the driving motor 4 to make the coating roller 5 rotate, and use the scraper 19 to scrape the glue on the coating roller 5 flat. Then coat the flattened glue on the substrate through the coating roller 5 until the coating process of the substrate is completed.
[0023] In summary, for this coating device for self-adhesive production, after placing the substrate, start the lifting motor 8 to make the screw rod 9 rotate, so that the moving block 10 moves downward along the guide rod 11, driving the moving frame 12, the pressing roller 13, the connecting plate 14 and the pointer 15 to move downward. Through the change of the pointer 15 on the scale line 16, the descending height of the pressing roller 13 can be accurately observed until the pressing roller 13 descends to an appropriate height. It avoids driving the lifting of the pressing roller 13 by using a hydraulic cylinder, which facilitates more accurate and intuitive observation of the descending height of the pressing roller 13 and improves the accuracy of the coating force, thus solving the problems raised in the above background technology.
[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.
[0025] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A coating device for producing self-adhesive labels, comprising a base (1), characterized in that, A glue groove (2) is formed at the top of the base (1). A driving assembly is arranged at the top of the base (1). A coating roller (5) is arranged at the top of the base (1) through the driving assembly. A support frame (6) is fixedly installed at the top of the base (1). A cross plate (7) is fixedly installed on the right side of the support frame (6). A lifting motor (8) is fixedly installed at the top of the cross plate (7). The output end of the lifting motor (8) penetrates through the cross plate (7) and extends to the bottom of the cross plate (7) and is fixedly installed with a screw rod (9). A moving block (10) is threadedly connected to the surface of the screw rod (9). A guide rod (11) is slidably connected inside the moving block (10), and the guide rod (11) is fixedly connected to the cross plate (7). A moving frame (12) is fixedly installed at the bottom of the moving block (10). A pressing roller (13) is rotatably connected inside the moving frame (12). A connecting plate (14) is fixedly installed on the front side of the moving frame (12). A pointer (15) is fixedly installed on the left side of the connecting plate (14). A scale line (16) is fixedly installed on the right side of the support frame (6). A leveling assembly is arranged at the top of the base (1). A stirring assembly is arranged inside the base (1).
2. The coating device for producing self-adhesive according to claim 1, characterized in that, The driving assembly includes a first fixing plate (3) arranged at the top of the base (1). A driving motor (4) is fixedly installed on the front side of the first fixing plate (3). The output end of the driving motor (4) is fixedly connected to the coating roller (5), and the coating roller (5) is rotatably connected to the first fixing plate (3).
3. The coating device for producing self-adhesive according to claim 1, wherein The leveling assembly includes a second fixing plate (17) arranged at the top of the base (1). An electric push rod (18) is fixedly installed on the left side of the second fixing plate (17). The output end of the electric push rod (18) is fixedly installed with a scraper (19).
4. A coating device for producing self-adhesive labels according to claim 1, characterized in that, The stirring assembly includes a rotating motor (20) arranged at the bottom of the base (1). The output end of the rotating motor (20) penetrates through the base (1) and extends into the glue groove (2) and is fixedly installed with a rotating rod (21). Stirring rods (22) are fixedly installed on the surface of the rotating rod (21).
5. The coating device for producing self-adhesive according to claim 1, wherein Support legs (23) are fixedly installed at the bottom of the base (1), and the number of the support legs (23) is multiple.
6. The coating device for producing self-adhesive according to claim 1, characterized in that, The connecting plate (14) is in an L-shaped structure and is made of stainless steel material.
7. The coating device for producing self-adhesive according to claim 1, characterized in that, The number of the guide rods (11) is multiple, and the multiple guide rods (11) are arranged in an array.