An automatic hot-melt adhesive roll coating machine

By introducing an adjustment mechanism and pressure roller structure into the automatic hot melt adhesive rewinding and coating machine, the problem of cumbersome rewinding size adjustment has been solved, achieving efficient and convenient rewinding size adjustment and substrate processing, thereby improving production efficiency and equipment applicability.

CN224394152UActive Publication Date: 2026-06-23QUANZHOU DAYONG NEW MATERIAL TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QUANZHOU DAYONG NEW MATERIAL TECHNOLOGY CO LTD
Filing Date
2025-08-25
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing automatic hot melt adhesive rewinding and coating machines are cumbersome to operate when adjusting the size of the rewind core, which is time-consuming and labor-intensive and affects production efficiency.

Method used

An adjustment mechanism is designed, including a take-up plate, a threaded rod, a handwheel, and a connecting rod. By manually turning the handwheel, the threaded rod and the connecting rod are driven to achieve synchronous movement of the take-up plate, adjust the take-up size, and are equipped with upper and lower pressure rollers and guide rollers to reduce wrinkles and substrate misalignment.

Benefits of technology

It simplifies the winding size adjustment process, reduces labor and time costs, improves production efficiency, enhances the operational flexibility and applicability of the equipment, and reduces wrinkles and substrate misalignment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224394152U_ABST
    Figure CN224394152U_ABST
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Abstract

The utility model discloses a kind of hot melt adhesive automatic winding coating machines, belong to coating machine winding equipment technical field, the hot melt adhesive automatic winding coating machine includes bottom plate, fixedly installed in the rack of bottom plate top, fixedly installed in the motor of the rack one side;Through the cooperation between above each device, through the setting of adjusting mechanism, start motor, drive the rotation of the winding disc connected, if operator needs to adjust the winding size of winding disc, first hand wheel can be manually rotated, when first hand wheel rotates, the synchronous rotation of first threaded rod connected, and then make multiple threaded sleeve move on the side surface of first threaded rod, threaded sleeve's movement drives connecting rod corresponding displacement, the force of connecting rod is transmitted to winding plate, so that multiple winding plate moves outward simultaneously, to realize the adjustment of winding size of winding disc, reduce manpower and time cost, improve production efficiency.
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Description

Technical Field

[0001] This utility model relates to the technical field of coating machine winding equipment, specifically a hot melt adhesive automatic winding coating machine. Background Technology

[0002] A coating machine is a key industrial piece of equipment, mainly used for surface coating processes on substrates such as films, paper, and fabrics. Also known as a brush coater, scraper coater, or spray coater, it is a device that coats rolls of substrate with a layer of adhesive, paint, or ink with specific functions, and then dries and cuts them into sheets or rewinds them. This equipment is widely used in many industries, including textile and garment processing, battery production, paper processing, and film manufacturing.

[0003] When using existing automatic hot melt adhesive rewinding and coating machines, if the core size needs to be adjusted, the rewinding device usually has to be adjusted accordingly. This usually means that the rewinding rollers that match the new core size need to be replaced. Such operations are not only tedious and complicated, but may also consume a lot of manpower and time costs, thus affecting production efficiency.

[0004] Therefore, this utility model provides an automatic hot melt adhesive rewinding and coating machine to solve the above problems. Utility Model Content

[0005] This invention provides an automatic hot melt adhesive rewinding and coating machine, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic hot melt adhesive rewinding and coating machine, which includes a base plate, a frame fixedly installed on the top of the base plate, a motor fixedly installed on one side of the frame, a rewinding reel fixedly installed on the movable end of the motor, and an adjustment mechanism provided on one side of the rewinding reel for changing the rewinding size.

[0007] The adjustment mechanism includes a take-up plate slidably mounted on the take-up reel, a first threaded rod rotatably mounted on one side of the take-up reel, a first handwheel fixedly mounted on the end of the first threaded rod away from the take-up reel, a threaded sleeve screwed to the side surface of the first threaded rod, and a connecting rod hinged to the side surface of the threaded sleeve.

[0008] As a preferred technical solution of this application, a plurality of take-up plates are provided, which are arranged in a ring array on the take-up reel; a plurality of threaded sleeves are provided, which are arranged in a linear array on the side surface of the first threaded rod; a plurality of connecting rods are provided, which are arranged in a ring array on the side surface of the threaded sleeves; and one end of the connecting rod away from the threaded sleeve is hinged to the inner wall of the take-up plate.

[0009] As a preferred technical solution of this application, a lower pressure roller is rotatably connected inside the frame, a fixed frame is fixedly connected to both sides of the frame, and a lifting block is slidably connected inside the fixed frame.

[0010] As a preferred technical solution of this application, an upper pressure roller is rotatably connected between the two lifting blocks, the upper pressure roller is located directly above the lower pressure roller, and a second threaded rod is rotatably connected inside the fixed frame.

[0011] As a preferred technical solution of this application, the second threaded rod passes through the lifting block and the fixed frame in sequence, and a second handwheel is fixedly connected to the top end of the second threaded rod. The lifting block has a threaded hole that matches the second threaded rod.

[0012] As a preferred technical solution of this application, a guide roller is rotatably connected inside the frame, a retaining ring is movably connected to the side surface of the guide roller, and an electric push rod is fixedly connected to both sides of the frame. The movable end of the electric push rod passes through the frame and is fixedly connected to one side of the retaining ring.

[0013] This utility model has a simple structure and is easy to use. By adjusting the mechanism, the motor is started, which drives the connected take-up reel to rotate. If the operator needs to adjust the winding size of the take-up reel, the first handwheel can be turned manually. When the first handwheel rotates, the connected first threaded rod rotates synchronously, which causes multiple threaded sleeves to move on the side surface of the first threaded rod. The movement of the threaded sleeves causes the connecting rod to move accordingly. The force of the connecting rod is transmitted to the take-up plate, causing multiple take-up plates to move outward at the same time, thereby realizing the adjustment of the winding size of the take-up reel. This reduces labor and time costs and improves production efficiency. Attached Figure Description

[0014] Figure 1 A schematic diagram of the structure of an automatic hot melt adhesive rewinding and coating machine. Figure 1 ;

[0015] Figure 2 A schematic diagram of the structure of an automatic hot melt adhesive rewinding and coating machine. Figure 2 ;

[0016] Figure 3 This is a cross-sectional schematic diagram of the take-up plate in an automatic hot melt adhesive rewinding and coating machine;

[0017] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0018] Figure 5 This is a schematic diagram of the installation of the take-up plate in an automatic hot melt adhesive rewinding and coating machine;

[0019] Figure 6 for Figure 2 Enlarged diagram of point B in the middle.

[0020] In the picture:

[0021] 1. Base plate; 2. Frame; 3. Motor; 4. Rewinding reel; 5. Rewinding plate; 6. First threaded rod; 7. First handwheel; 8. Threaded sleeve; 9. Connecting rod; 10. Lower pressure roller; 11. Fixed frame; 12. Lifting block; 13. Upper pressure roller; 14. Second threaded rod; 15. Second handwheel; 16. Guide roller; 17. Retaining ring; 18. Electric push rod. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides an automatic hot melt adhesive rewinding and coating machine, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the automatic hot melt adhesive rewinding and coating machine includes a base plate 1, a frame 2 fixedly installed on the top of the base plate 1, a motor 3 fixedly installed on one side of the frame 2, a rewinding reel 4 fixedly installed on the movable end of the motor 3, and an adjustment mechanism provided on one side of the rewinding reel 4 for changing the winding size.

[0024] The adjustment mechanism includes a take-up plate 5 that is slidably mounted on the take-up reel 4, a first threaded rod 6 that is rotatably mounted on one side of the take-up reel 4, a first handwheel 7 that is fixedly mounted on the end of the first threaded rod 6 away from the take-up reel 4, a threaded sleeve 8 that is screwed to the side surface of the first threaded rod 6, and a connecting rod 9 that is hinged to the side surface of the threaded sleeve 8.

[0025] Multiple take-up plates 5 are provided, and the take-up plates 5 are arranged in a ring array on the take-up reel 4. Multiple threaded sleeves 8 are provided, and the threaded sleeves 8 are arranged in a linear array on the side surface of the first threaded rod 6. Multiple connecting rods 9 are provided, and the connecting rods 9 are arranged in a ring array on the side surface of the threaded sleeves 8. The end of the connecting rod 9 away from the threaded sleeve 8 is hinged to the inner wall of the take-up plate 5.

[0026] In actual operation, the automatic hot melt adhesive rewinding and coating machine first requires placing the base plate 1 in a suitable working position to ensure the overall stability of the machine. Next, the operator issues a command through the external controller to start the motor 3. After receiving the start signal, the motor 3 quickly starts running and drives the connected take-up reel 4 to rotate. When the operator needs to adjust the winding size of the take-up reel 4, it can be achieved by manually turning the first handwheel 7. During the rotation of the first handwheel 7, it will drive the connected first threaded rod 6 to rotate synchronously. The rotation of the first threaded rod 6 further drives multiple threaded sleeves 8 to move linearly on the preset track. The movement of the threaded sleeves 8 drives the connecting rod 9 to move accordingly. The movement of the connecting rod 9 ultimately acts on the take-up plate 5, causing multiple take-up plates 5 to move outward simultaneously, thereby realizing the adjustment of the winding size of the take-up reel 4. This improves the operational flexibility of the automatic hot melt adhesive rewinding and coating machine and increases its practicality and applicability in different application scenarios.

[0027] Furthermore, in order to reduce wrinkles during winding, such as Figure 1 , Figure 2 and Figure 6 As shown, a lower pressure roller 10 is rotatably connected inside the frame 2, and fixed frames 11 are fixedly connected to both sides of the frame 2. A lifting block 12 is slidably connected inside the fixed frame 11.

[0028] An upper pressure roller 13 is rotatably connected between the two lifting blocks 12. The upper pressure roller 13 is positioned directly above the lower pressure roller 10. A second threaded rod 14 is rotatably connected inside the fixed frame 11.

[0029] The second threaded rod 14 passes through the lifting block 12 and the fixed frame 11 in sequence. The top end of the second threaded rod 14 is fixedly connected to the second handwheel 15. The lifting block 12 has a threaded hole that matches the second threaded rod 14.

[0030] When in use, the automatic hot melt adhesive rewinding and coating machine operates by rotating the second handwheel 15, which in turn drives the second threaded rod 14 to rotate. Since the lifting block 12 has a threaded hole that matches the second threaded rod 14, the rotation of the second threaded rod 14 can drive the lifting block 12 to move up and down. The lifting block 12 drives the upper pressure roller 13 to move up and down, thereby adjusting the distance between the upper pressure roller 13 and the lower pressure roller 10. This allows the upper pressure roller 13 and the lower pressure roller 10 to better press the hot melt adhesive roll, reducing wrinkles during the rewinding process and further improving the practicality of the automatic hot melt adhesive rewinding and coating machine.

[0031] Furthermore, in order to accommodate the winding of substrates of different sizes, such as Figure 1 , Figure 2 and Figure 3As shown, a guide roller 16 is rotatably connected inside the frame 2, and a retaining ring 17 is movably connected to the side surface of the guide roller 16. Electric push rods 18 are fixedly connected to both sides of the frame 2. The movable end of the electric push rod 18 passes through the frame 2 and is fixedly connected to one side of the retaining ring 17.

[0032] When in use, the automatic hot melt adhesive rewinding and coating machine operates by activating the electric push rod 18. The movable end of the electric push rod 18 pushes the retaining ring 17 to move. The retaining ring 17 moves on the side surface of the guide roller 16, and the substrate passes between the two retaining rings 17 to accommodate substrates of different sizes for rewinding. The guide roller 16 guides the substrate, reducing substrate deviation during rewinding and further improving the practicality of the automatic hot melt adhesive rewinding and coating machine. At the same time, the retaining ring 17 guides and limits substrates of different sizes.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An automatic hot melt adhesive rewinding and coating machine, characterized in that: The hot melt adhesive automatic rewinding coating machine includes a base plate (1), a frame (2) fixedly installed on the top of the base plate (1), a motor (3) fixedly installed on one side of the frame (2), a rewinding reel (4) fixedly installed on the movable end of the motor (3), and an adjustment mechanism provided on one side of the rewinding reel (4) for changing the winding size. The adjustment mechanism includes a take-up plate (5) slidably mounted on the take-up reel (4), a first threaded rod (6) rotatably mounted on one side of the take-up reel (4), a first handwheel (7) fixedly mounted on one end of the first threaded rod (6) away from the take-up reel (4), a threaded sleeve (8) screwed to the side surface of the first threaded rod (6), and a connecting rod (9) hinged to the side surface of the threaded sleeve (8).

2. The automatic hot melt adhesive rewinding and coating machine according to claim 1, characterized in that: Multiple take-up plates (5) are provided, and the take-up plates (5) are arranged in a ring array on the take-up reel (4). Multiple threaded sleeves (8) are provided, and the threaded sleeves (8) are arranged in a linear array on the side surface of the first threaded rod (6). Multiple connecting rods (9) are provided, and the connecting rods (9) are arranged in a ring array on the side surface of the threaded sleeves (8). The end of the connecting rod (9) away from the threaded sleeve (8) is hinged to the inner wall of the take-up plate (5).

3. The automatic hot melt adhesive rewinding and coating machine according to claim 1, characterized in that: The frame (2) is rotatably connected to a lower pressure roller (10), and fixed frames (11) are fixedly connected to both sides of the frame (2). Lifting blocks (12) are slidably connected inside the fixed frames (11).

4. The automatic hot melt adhesive rewinding and coating machine according to claim 3, characterized in that: An upper pressure roller (13) is rotatably connected between the two lifting blocks (12), the upper pressure roller (13) is positioned directly above the lower pressure roller (10), and a second threaded rod (14) is rotatably connected inside the fixed frame (11).

5. The automatic hot melt adhesive rewinding and coating machine according to claim 4, characterized in that: The second threaded rod (14) passes through the lifting block (12) and the fixed frame (11) in sequence. The top end of the second threaded rod (14) is fixedly connected to the second handwheel (15). The lifting block (12) has a threaded hole that matches the second threaded rod (14).

6. The automatic hot melt adhesive rewinding and coating machine according to claim 1, characterized in that: The frame (2) is rotatably connected to a guide roller (16), and a retaining ring (17) is movably connected to the side surface of the guide roller (16). Electric push rods (18) are fixedly connected to both sides of the frame (2). The movable end of the electric push rod (18) passes through the frame (2) and is fixedly connected to one side of the retaining ring (17).