High-precision coating device for DBEF fixed adhesive film

Abstract

The utility model discloses a high-precision coating device for a DBEF fixed adhesive film, which comprises a processing table, supporting rods are fixedly arranged at four corners of the lower end of the processing table, first sliding chutes are arranged inside the front end and the rear end of the processing table, the first sliding chutes are of opening structures, first lead screws are arranged inside the first sliding chutes, and the first lead screws are connected with the first lead screws. The two sides of the first lead screw are rotationally connected with the inner walls of the first sliding grooves, the first lead screw is sleeved with a connecting base, the connecting base is in sliding fit with the first sliding grooves, one end of the connecting base extends to the outside of the machining table, a movable frame is fixedly arranged at one end of the connecting base, and the upper end of the movable frame extends to the position above the machining table. A first mounting frame is arranged on the upper portion of the interior of the movable frame, a second mounting frame is arranged on the lower portion of the interior of the movable frame, the second mounting frame and the first mounting frame are symmetrically arranged, and the structure solves the problems that the coating effect of an adhesive film is not good enough, and the position of a coating roller is difficult to adjust.

Description

Technical Field

[0001] This utility model relates to the field of DBEF film production technology, specifically a high-precision coating device for DBEF fixed adhesive film. Background Technology

[0002] DBEF fixing film is a high-performance film that plays an important role in display technology. DBEF fixing film is mainly composed of silicone material and special microspheres. The high-precision coating device for DBEF fixing film is usually used to achieve uniform and accurate coating of the adhesive layer on the DBEF film. The high-precision coating device for DBEF fixing film is mainly composed of a conveyor belt, coating mechanism and drying components. DBEF fixing film has been widely used in various electronic displays, flat-panel TVs, laptops and mobile phones.

[0003] For example, Chinese patent CN217595100U, entitled "A Coating and Drying Device for DBEF Fixed Adhesive Film", includes a side fan, an exhaust gas purification hood, and a drying box. The top of the drying box is equipped with an exhaust gas purification hood, and the upper and lower surfaces of the inner cavity of the drying box are equipped with electric heating plates. The side of the drying box is equipped with a side fan. The two ends of the drying box are respectively equipped with a first conveying roller and a second conveying roller through side guard plates. The sides of the bottom support legs of the drying box are respectively equipped with a take-up roller and a feeding roller through connecting frames. A motor is located at the upper position on one side of the support leg. The output shaft of the motor is connected to the connecting shaft at one end of the take-up roller through a transmission belt.

[0004] While the aforementioned existing technologies can achieve coating of adhesive films, in practical use, on the one hand, the coating effect of the adhesive film is not good enough. Usually, the adhesive film is directly wound and rolled up by the take-up drum after contacting the coating roller, making it difficult to ensure uniform adhesive coating on the adhesive film, thereby reducing the production quality of the adhesive film. On the other hand, it is difficult to adjust the position of the coating roller. Usually, the coating roller is fixedly set on the coating device, which means that different thicknesses of adhesive films need to use coating devices that are compatible with them, thereby reducing the coating efficiency of the adhesive film. Therefore, it does not meet the current needs. In response, we propose a high-precision coating device for fixing the adhesive film using DBEF. Utility Model Content

[0005] The purpose of this invention is to provide a high-precision coating device for DBEF fixed adhesive film, so as to solve the problems mentioned in the background art of insufficient coating effect of adhesive film and difficulty in adjusting the position of coating roller.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-precision coating device for DBEF fixed adhesive film, comprising a processing table, with support rods fixedly installed at the four corners of the lower end of the processing table, and a first sliding groove provided inside the front and rear ends of the processing table. The first sliding groove has an open structure, and a first lead screw is installed inside the first sliding groove. Both sides of the first lead screw are rotatably connected to the inner wall of the first sliding groove. A connecting seat is sleeved on the outside of the first lead screw, and the connecting seat slides with the first sliding groove. One end of the connecting seat extends to the outside of the processing table. A movable frame is fixedly installed at one end of the connecting seat, and the upper end of the movable frame extends above the processing table. A first mounting frame is installed above the inside of the movable frame, and a second mounting frame is installed below the inside of the movable frame. The second mounting frame and the first mounting frame are symmetrically arranged.

[0007] Preferably, a second servo motor is fixedly installed inside the processing table on one side of the first slide groove, and the output shaft of the second servo motor extends into the interior of the first slide groove and is fixedly connected to the first lead screw.

[0008] Preferably, a first hydraulic telescopic device is fixedly installed at both the front and rear ends of the upper end of the mobile frame, and the telescopic end of the first hydraulic telescopic device extends to the lower part of the mobile frame and is fixedly connected to the first mounting frame.

[0009] Preferably, the front and rear end sidewalls of the movable frame are provided with a second sliding groove. The second sliding groove has an open structure. A second lead screw is provided inside the second sliding groove. The upper and lower ends of the second lead screw are rotatably connected to the inside of the second sliding groove. A fixing seat is sleeved on the outside of the second lead screw. One end of the fixing seat extends to the outside of the second sliding groove and is fixedly connected to the second mounting frame.

[0010] Preferably, a first servo motor is fixedly installed at the lower end of the outside of the movable frame, and the output shaft of the first servo motor extends into the interior of the second slide groove and is fixedly connected to the second lead screw.

[0011] Preferably, a second hydraulic telescopic device is fixedly installed at the front and rear ends of both sides of the upper end of the processing table. A mounting base is fixedly installed at the upper end of the telescopic end of the second hydraulic telescopic device. A tensioning roller is provided between the mounting bases and is rotatably connected to the mounting base.

[0012] Preferably, a coating roller is provided inside the first mounting frame and the second mounting frame, and a drive motor is fixedly provided at the front and rear ends of the first mounting frame and the second mounting frame. The output shaft of the drive motor extends into the first mounting frame and the second mounting frame and is fixedly connected to the coating roller. A film body is provided at the upper end of the tensioning roller, and the film body passes through the coating roller.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) This utility model can perform multiple coating processes on the adhesive film by means of a moving frame and a coating roller. When coating the adhesive film, the coating roller has been moved to a suitable position. At this time, the second servo motor is turned on, so that the output shaft of the second servo motor drives the first lead screw to rotate. The first lead screw drives the connecting seat to move inside the first slide groove. At the same time, the moving frame, which is fixedly connected to the connecting seat, moves together until the moving frame is moved to a suitable position. At this time, the operator changes the input direction of the current of the second servo motor, so that the moving frame reciprocates on the processing table. At this time, the coating roller performs multiple coating operations on the surface of the adhesive film body, thereby improving the coating uniformity.

[0015] (2) This utility model can adjust the distance between the coating rollers by using the first hydraulic telescopic device and the second lead screw. Before coating the adhesive film, the adhesive film has been adjusted. At this time, the first hydraulic telescopic device is activated so that the telescopic end of the first hydraulic telescopic device extends. The extension of the telescopic end of the first hydraulic telescopic device drives the first mounting frame and the coating roller to move downward together until the first mounting frame is moved to the appropriate position. Then, the first servo motor is activated so that the output shaft of the first servo motor drives the second lead screw to rotate. The second lead screw drives the fixed seat to move inside the second slide groove. At the same time, the second mounting frame, which is fixedly connected to the fixed seat, moves together until the second mounting frame is moved to the appropriate position. At this time, the coating roller and the adhesive film are in contact and adhered. Then, subsequent operations are performed, which improves the uniformity and consistency of coating, thereby improving product quality.

[0016] (3) This utility model can adjust the tension of the adhesive film by means of the second hydraulic telescopic device and the tensioning roller. Before coating the adhesive film, the adhesive film body is first passed through the entire coating device. The two ends of the adhesive film body are fixedly connected to the external winding mechanism, and the lower end of the adhesive film body is in contact with the tensioning rollers on both sides. If the adhesive film becomes loose, the operator opens the second hydraulic telescopic device, so that the telescopic end of the second hydraulic telescopic device extends. The extension of the telescopic end of the second hydraulic telescopic device drives the mounting base and the tensioning roller to move upward together. At this time, the adhesive film body is lifted upward, so that the adhesive film body is in a taut state again, avoiding uneven coating or missed coating caused by wrinkles. At the same time, the flat adhesive film surface helps to improve the coating accuracy. Attached Figure Description

[0017] Figure 1 This is a perspective view of the overall structure of this utility model;

[0018] Figure 2 This is a front view of the internal structure of this utility model;

[0019] Figure 3 This is a side view of the internal structure of this utility model;

[0020] Figure 4 For the present utility model Figure 3 Enlarged view of a portion of region A in the middle.

[0021] In the diagram: 1. Processing table; 2. Support rod; 3. First slide groove; 4. First lead screw; 5. Connecting seat; 6. Moving frame; 7. First servo motor; 8. First hydraulic telescopic device; 9. First mounting frame; 10. Second mounting frame; 11. Second slide groove; 12. Second lead screw; 13. Fixed seat; 14. Coating roller; 15. Drive motor; 16. Second hydraulic telescopic device; 17. Mounting seat; 18. Tensioning roller; 19. Adhesive film body; 20. Second servo motor. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Please see Figure 1-4 An embodiment of this utility model provides a high-precision coating device for DBEF fixed adhesive film, including a processing table 1, with support rods 2 fixedly installed at the four corners of the lower end of the processing table 1, a coating roller 14 installed inside the first mounting frame 9 and the second mounting frame 10, and drive motors 15 fixedly installed at the front and rear ends of the first mounting frame 9 and the second mounting frame 10. The output shaft of the drive motor 15 extends into the first mounting frame 9 and the second mounting frame 10 and is fixedly connected to the coating roller 14. An adhesive film body 19 is installed at the upper end of the tensioning roller 18 and passes through the coating roller 14.

[0024] Please see Figure 1 , Figure 2 and Figure 3 The front and rear ends of the processing table 1 are provided with a first slide groove 3. The first slide groove 3 is an open structure. A first lead screw 4 is provided inside the first slide groove 3. Both sides of the first lead screw 4 are rotatably connected to the inner wall of the first slide groove 3. A connecting seat 5 is sleeved on the outside of the first lead screw 4. The connecting seat 5 is slidably engaged with the first slide groove 3, and one end of the connecting seat 5 extends to the outside of the processing table 1. A movable frame 6 is fixedly provided at one end of the connecting seat 5. The upper end of the movable frame 6 extends to the top of the processing table 1. A first mounting frame 9 is provided at the top inside the movable frame 6. A second mounting frame 10 is provided at the bottom inside the movable frame 6. The second mounting frame 10 is symmetrically arranged with the first mounting frame 9. A second servo motor 20 is fixedly provided inside the processing table 1 on one side of the first slide groove 3. The output shaft of the second servo motor 20 extends into the inside of the first slide groove 3 and is fixedly connected to the first lead screw 4, so that the movable frame 6 can be driven to reciprocate through the second servo motor 20 and the first lead screw 4.

[0025] Please see Figure 2 , Figure 3 and Figure 4 The front and rear ends of the movable frame 6 are fixedly equipped with a first hydraulic telescopic device 8. The telescopic end of the first hydraulic telescopic device 8 extends to the lower part of the movable frame 6 and is fixedly connected to the first mounting frame 9. The interior of the front and rear side walls of the movable frame 6 is provided with a second slide groove 11. The second slide groove 11 has an open structure. The interior of the second slide groove 11 is provided with a second lead screw 12. The upper and lower ends of the second lead screw 12 are rotatably connected to the interior of the second slide groove 11. The exterior of the second lead screw 12 is sleeved with a fixed seat 13. One end of the fixed seat 13 extends to the exterior of the second slide groove 11 and is fixedly connected to the second mounting frame 10. The lower end of the exterior of the movable frame 6 is fixedly equipped with a first servo motor 7. The output shaft of the first servo motor 7 extends to the interior of the second slide groove 11 and is fixedly connected to the second lead screw 12, so as to facilitate the adjustment of the position of the second mounting frame 10 by the second lead screw 12 and the adjustment of the position of the first mounting frame 9 by the first hydraulic telescopic device 8.

[0026] Please see Figure 1 and Figure 2 The front and rear ends of both sides of the upper end of the processing table 1 are fixedly equipped with a second hydraulic telescopic device 16. The upper end of the telescopic end of the second hydraulic telescopic device 16 is fixedly equipped with a mounting base 17. A tensioning roller 18 is arranged between the mounting bases 17. The tensioning roller 18 is rotatably connected to the mounting base 17, so as to facilitate the adjustment of the tension of the film through the tensioning roller 18.

[0027] Working principle: During use, if the adhesive film becomes loose, the operator activates the second hydraulic telescopic device 16, extending its telescopic end. This extension causes the mounting base 17 and tension roller 18 to move upwards together, lifting the adhesive film body 19 and restoring it to a taut state. Then, the first hydraulic telescopic device 8 is activated, extending its telescopic end. This extension causes the first mounting frame 9 and coating roller 14 to move downwards together until the first mounting frame 9 is in the appropriate position. Finally, the first servo motor 7 is activated, causing its output shaft to rotate the second lead screw 12. Rod 12 drives the fixed seat 13 to move inside the second slide groove 11. At the same time, the second mounting bracket 10, which is fixedly connected to the fixed seat 13, moves together until the second mounting bracket 10 is moved to the appropriate position. At this time, the coating roller 14 contacts and adheres to the film body 19. When coating the film, the second servo motor 20 is turned on, so that the output shaft of the second servo motor 20 drives the first lead screw 4 to rotate. The first lead screw 4 drives the connecting seat 5 to move inside the first slide groove 3. At the same time, the moving bracket 6, which is fixedly connected to the connecting seat 5, moves together until the moving bracket 6 is moved to the appropriate position. At this time, the operator changes the input direction of the current of the second servo motor 20, so that the moving bracket 6 reciprocates on the processing table 1. At this time, the coating roller 14 performs multiple coating operations on the surface of the film body 19.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A high-precision coating device for DBEF fixed adhesive film, comprising a processing table (1), wherein support rods (2) are fixedly installed at the four corners of the lower end of the processing table (1), characterized in that: The front and rear ends of the processing table (1) are provided with a first slide groove (3). The first slide groove (3) is an open structure. The first lead screw (4) is provided inside the first slide groove (3). Both sides of the first lead screw (4) are rotatably connected to the inner wall of the first slide groove (3). A connecting seat (5) is sleeved on the outside of the first lead screw (4). The connecting seat (5) is slidably engaged with the first slide groove (3). One end of the connecting seat (5) extends to the outside of the processing table (1). A movable frame (6) is fixedly provided at one end of the connecting seat (5). The upper end of the movable frame (6) extends to the top of the processing table (1). A first mounting frame (9) is provided above the inside of the movable frame (6). A second mounting frame (10) is provided below the inside of the movable frame (6). The second mounting frame (10) and the first mounting frame (9) are symmetrically arranged.

2. The high-precision coating device for DBEF fixing adhesive film according to claim 1, characterized in that: The processing table (1) is fixedly equipped with a second servo motor (20) inside the first slide groove (3) on one side. The output shaft of the second servo motor (20) extends into the interior of the first slide groove (3) and is fixedly connected to the first lead screw (4).

3. The high-precision coating device for DBEF fixing adhesive film according to claim 2, characterized in that: The front and rear ends of the upper end of the mobile frame (6) are fixedly provided with a first hydraulic telescopic device (8), and the telescopic end of the first hydraulic telescopic device (8) extends to the lower part of the mobile frame (6) and is fixedly connected to the first mounting frame (9).

4. The high-precision coating device for DBEF fixing adhesive film according to claim 3, characterized in that: The movable frame (6) has a second sliding groove (11) inside the front and rear end side walls. The second sliding groove (11) has an open structure. A second lead screw (12) is provided inside the second sliding groove (11). The upper and lower ends of the second lead screw (12) are rotatably connected to the inside of the second sliding groove (11). A fixed seat (13) is sleeved on the outside of the second lead screw (12). One end of the fixed seat (13) extends to the outside of the second sliding groove (11) and is fixedly connected to the second mounting frame (10).

5. The high-precision coating device for DBEF fixing adhesive film according to claim 4, characterized in that: A first servo motor (7) is fixedly installed at the lower end of the outside of the movable frame (6). The output shaft of the first servo motor (7) extends into the interior of the second slide groove (11) and is fixedly connected to the second lead screw (12).

6. The high-precision coating device for DBEF fixing adhesive film according to claim 5, characterized in that: The processing table (1) is fixedly equipped with a second hydraulic telescopic device (16) at both the front and rear ends on both sides of the upper end. The upper end of the telescopic end of the second hydraulic telescopic device (16) is fixedly equipped with a mounting base (17). A tensioning roller (18) is arranged between the mounting bases (17), and the tensioning roller (18) is rotatably connected to the mounting base (17).

7. The high-precision coating device for DBEF fixing adhesive film according to claim 6, characterized in that: The first mounting bracket (9) and the second mounting bracket (10) are provided with coating rollers (14). The front and rear ends of the first mounting bracket (9) and the second mounting bracket (10) are fixedly provided with drive motors (15). The output shaft of the drive motor (15) extends into the first mounting bracket (9) and the second mounting bracket (10) and is fixedly connected to the coating rollers (14). The upper end of the tensioning roller (18) is provided with a film body (19), which passes through the coating rollers (14).

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