Deviation rectifying structure for processing high-barrier multilayer shrink film

By introducing the adjustment structure of the upper and lower pressure rollers in the processing of high-barrier multi-layer shrink film, the problems of difficult rolling and insufficient tensioning force of the correction structure are solved, the leveling of the film material and the control of the tension force are achieved, and the production efficiency and product quality are improved.

CN223357022UActive Publication Date: 2025-09-19INT PLASTIC ENG CO LTD
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Patent Information

Application Number
CN202422945744.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-09-19
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

During the processing of existing high-barrier multi-layer shrink films, the correcting structure is difficult to effectively perform roller pressing, resulting in difficulty in flattening the film and insufficient tension, affecting product quality and aesthetics.

Method used

A correction structure including an upper pressure roller, a first lower pressure roller and a second lower pressure roller is designed. The roller pressure position is adjusted by a motor-driven threaded rod and a linkage seat. The unwinding roller can be easily replaced in combination with a locking bolt to achieve film leveling and tension control.

Benefits of technology

It realizes the easy leveling and tensioning force guarantee of the shrink film, improves the convenience and correction effect of the correction structure, and improves the production quality and aesthetics of the film material.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223357022U_ABST
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Abstract

The utility model discloses a deviation rectifying structure for processing a high-barrier multilayer shrink film, which comprises a machine table, an unwinding frame is arranged on one side of the top end of the machine table, a plurality of guide rollers are rotatably mounted on the inner wall of the unwinding frame, two bases are arranged at the top end of the machine table on one side of the unwinding frame, a base frame is arranged at the top ends of the two bases, and limiting rails are arranged on two sides of the top ends of the bases. Linkage seats are arranged above the base, a connecting rod is fixed to the inner wall between the linkage seats, side supporting frames are arranged on the outer walls of the two sides of the connecting rod, an upper pressing roller is rotationally installed on the inner wall between the side supporting frames, and a first lower pressing roller is rotationally installed on the inner wall, below the upper pressing roller, of the linkage seat; and a second lower pressing roller is rotationally mounted on the inner wall of the linkage seat on one side of the first lower pressing roller. According to the shrink film deviation rectifying device, the purpose that a shrink film is easily leveled is achieved, the tensile force of the shrink film in the conveying process can be guaranteed, the using convenience of the deviation rectifying structure is improved, and the purpose that deviation rectifying is easily conducted on the shrink film is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of packaging film production and processing, in particular to a deviation-correcting structure for processing high-barrier multi-layer shrinkage films. Background Art

[0002] High-barrier multi-layer shrink film is widely used in packaging in the food, chemical and other industries due to its excellent barrier properties, transparency and shrinkage. However, during the production and processing of multi-layer shrink film, the film material often deviates due to factors such as material properties, transmission equipment accuracy or improper operation. This not only affects the aesthetics of the product, but also reduces the packaging effect and product quality. Therefore, it is of great significance to design a correction structure for the processing of high-barrier multi-layer shrink film.

[0003] Reference announcement number CN220244996U is a diaphragm correction structure, which includes a base plate, a first through slot, a mounting plate, a first mounting seat, a first motor, a first coupling, a screw shaft, a nut, a fixing block, a fixing seat, a second mounting seat, a second motor, a first pulley, a synchronous belt, a second pulley, a first roller, a third mounting seat, a third motor, a second coupling, a second roller, a baffle, a first fixing plate, a first photoelectric sensor, a second fixing plate, a second photoelectric sensor and a fixed roller group; a baffle is fixedly connected to the base plate, and a first fixed plate is provided at the bottom end of the baffle. Fixed plate, a plurality of first photoelectric sensors are fixedly connected to the first fixed plate; this correction structure realizes synchronous adjustment of all rollers by installing all rollers on the mounting plate and controlling the movement of the mounting plate by driving the lead screw through a motor, thereby ensuring the correction accuracy. At the same time, the use of motor drive can ensure good stability of the device. According to the above, although this correction structure can be well applied, it is usually not convenient to roll the film parts in transmission, and thus it is not easy to level the film, and it is difficult to ensure the tension in the film transmission, which often troubles users. Utility Model Content

[0004] The purpose of the present utility model is to provide a correction structure for processing high-barrier multi-layer shrink film, so as to solve the problem that the correction structure proposed in the above background technology can be well applied, but it is usually not convenient to roll the film parts during transmission, and it is not easy to level the film, and it is difficult to ensure the tension during film transmission.

[0005] Base comprises support, castor, and frame upper is provided with guide rail, and support and conveyer frames movable end contact site are provided with recoil spring or rubber cushion, and castor is arranged on the pin of base bottom four, to carry mobile handler location.

[0006] Preferably, a shaft seat is provided on one side of the top of the unwinding frame, and a limiting frame is provided on the other side of the top of the unwinding frame. The limiting frame is provided so that one end of the unwinding shaft can be placed.

[0007] Preferably, a winding frame is provided at the top of the machine on the side of the base frame away from the unwinding frame, and a winding roller is rotatably installed at the top of the winding frame, so that the shrink film can be wound up.

[0008] Preferably, a second reduction motor is installed on the top of the base of the first lower pressure roller away from the third reduction motor. A threaded rod is provided at one end of the second reduction motor. The outer wall of the threaded rod is connected to the bottom end of the linkage seat through a nut pair. The second reduction motor is set to drive the threaded rod to rotate.

[0009] Preferably, a first reduction motor is installed on the outer wall of the upper end of the winding frame, and one end of the first reduction motor is connected to one end of the winding roller. The first reduction motor is arranged to drive the winding roller to rotate.

[0010] Preferably, a unwinding roller is installed above the machine between the limit frame and the shaft seat, and a unwinding shaft is movably connected to the inside of the unwinding roller, one end of the unwinding shaft extends to the outside of the unwinding roller and is movably connected to the inner wall of the shaft seat, and the other end of the unwinding shaft extends to the outside of the unwinding roller and passes through the outside of the limit frame, and a locking bolt is installed on the top of the limit frame, and the bottom end of the locking bolt passes through the limit frame and is threadedly connected to the top end of the unwinding shaft. The unwinding roller can be disassembled by unscrewing the bottom end of the locking bolt to the outside of the unwinding shaft.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the deflection correction structure for processing high-barrier multi-layer shrink film not only achieves the purpose of easily flattening the shrink film and can ensure the tension of the shrink film during transmission, but also improves the convenience of using the deflection correction structure and achieves the purpose of easily correcting the shrink film;

[0012] (1) An upper pressure roller, a first lower pressure roller, and a second lower pressure roller are respectively arranged on the inner side of the base frame, and one end of the shrink film wound on the outer wall of the unwinding roller is inserted below the upper pressure roller and above the first lower pressure roller and the second lower pressure roller, and one end of the shrink film is connected to the outer wall of the winding roller. When the winding roller winds the shrink film, the upper pressure roller cooperates with the first lower pressure roller and the second lower pressure roller to roll the shrink film in transmission, thereby achieving the purpose of easily flattening the shrink film and ensuring the tension of the shrink film during transmission;

[0013] (2) By turning the locking bolt, the lower end of the locking bolt is screwed out to the outside of the unwinding shaft, and then the unwinding shaft is pulled backward to detach one end thereof to the outside of the shaft seat, and then the unwinding shaft is pulled horizontally to detach one end thereof to the outside of the limit frame, the unwinding roller can be disassembled, and the unwinding roller can be easily disassembled, assembled and replaced, thereby improving the convenience of the correction structure when used;

[0014] (3) The threaded rod is driven to rotate by the second reduction motor, so that the nut pair is located on the outer wall of the threaded rod and slides, and the nut pair drives the linkage seat to slide on the top of the limit rail. The positions of the upper pressure roller, the first lower pressure roller and the second lower pressure roller can be adjusted forward and backward according to the correction requirements of the shrink film, thereby achieving the purpose of easily correcting the shrink film. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0017] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0018] Figure 4 It is a side view structural diagram of the linkage seat of the utility model.

[0019] In the figure: 1. Machine platform; 2. Unwinding frame; 3. Guide roller; 4. Shaft seat; 5. Unwinding roller; 6. Base; 7. Base frame; 8. Linkage seat; 9. Connecting rod; 10. Upper pressure roller; 11. First lower pressure roller; 12. Second lower pressure roller; 13. Winding frame; 14. First reduction motor; 15. Winding roller; 16. Limiting frame; 17. Unwinding shaft; 18. Locking bolt; 19. Side support frame; 20. Limiting rail; 21. Threaded rod; 22. Second reduction motor; 23. Third reduction motor. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides an embodiment of a deviation-correcting structure for processing high-barrier multi-layer shrink film, comprising a machine platform 1, a reeling frame 2 is provided on one side of the top of the machine platform 1, a shaft seat 4 is provided on one side of the top of the reeling frame 2, and a limit frame 16 is provided on the other side of the top of the reeling frame 2;

[0022] When in use, the limiting frame 16 is provided so as to place one end of the unwinding shaft 17;

[0023] An unwinding roller 5 is installed above the machine 1 between the limit frame 16 and the shaft seat 4. The unwinding roller 5 is movably connected to the unwinding shaft 17. One end of the unwinding shaft 17 extends to the outside of the unwinding roller 5 and is movably connected to the inner wall of the shaft seat 4. The other end of the unwinding shaft 17 extends to the outside of the unwinding roller 5 and passes through the outside of the limit frame 16. A locking bolt 18 is installed on the top of the limit frame 16. The bottom end of the locking bolt 18 passes through the limit frame 16 and is threadedly connected to the top of the unwinding shaft 17.

[0024] When in use, the unwinding roller 5 is disassembled by screwing the bottom end of the locking bolt 18 out to the outside of the unwinding shaft 17;

[0025] A plurality of guide rollers 3 are rotatably mounted on the inner wall of the unwinding frame 2. Two bases 6 are provided on the top of the machine platform 1 on one side of the unwinding frame 2. A base frame 7 is provided on the top of the two bases 6. A winding frame 13 is provided on the top of the machine platform 1 on the side of the base frame 7 away from the unwinding frame 2. A winding roller 15 is rotatably mounted on the top of the winding frame 13.

[0026] When in use, the winding roller 15 is arranged so as to wind up the shrink film;

[0027] A first reduction motor 14 is mounted on the outer wall of the upper end of the winding frame 13 , and one end of the first reduction motor 14 is connected to one end of the winding roller 15 ;

[0028] When in use, the first reduction motor 14 is set to drive the winding roller 15 to rotate;

[0029] Limit rails 20 are provided on both sides of the top of the base 6, and a linkage seat 8 is provided above the base 6. The bottom end of the linkage seat 8 is slidably connected to the top of the limit rail 20. A connecting rod 9 is fixed to the inner wall between the linkage seats 8, and side supports 19 are provided on the outer walls on both sides of the connecting rod 9. An upper pressure roller 10 is rotatably installed on the inner wall between the side supports 19, and a first lower pressure roller 11 is rotatably installed on the inner wall of the linkage seat 8 below the upper pressure roller 10. A second reduction motor 22 is installed on the top of the base 6 on the side of the first lower pressure roller 11 away from the third reduction motor 23. A threaded rod 21 is provided at one end of the second reduction motor 22, and the outer wall of the threaded rod 21 is connected to the bottom end of the linkage seat 8 through a nut pair;

[0030] When in use, the second reduction motor 22 is provided to drive the threaded rod 21 to rotate;

[0031] A second lower pressing roller 12 is rotatably mounted on the inner wall of the linkage seat 8 on one side of the first lower pressing roller 11 , and a third reduction motor 23 is mounted on the outer wall of one linkage seat 8 . One end of the third reduction motor 23 is connected to one end of the first lower pressing roller 11 .

[0032] When the embodiment of the present application is in use, first screw the locking bolt 18 to unscrew the lower end of the locking bolt 18 to the outside of the unwinding shaft 17, then pull the unwinding shaft 17 backward to detach one end of it to the outside of the shaft seat 4, and then pull the unwinding shaft 17 horizontally to detach one end of it to the outside of the limit frame 16, so that the unwinding roller 5 can be disassembled to facilitate the disassembly and replacement of the unwinding roller 5, and the unwinding roller 5 equipped with the shrink film is placed on the top of the unwinding frame 2, and then one end of the shrink film wound on the outer wall of the unwinding roller 5 is inserted under the upper pressure roller 10 and above the first lower pressure roller 11 and the second lower pressure roller 12, and one end of the shrink film is connected to the outer wall of the winding roller 15. When the first reduction motor 14 drives the winding roller 15 During rotation, the shrink film can be wound up by the winding roller 15. At this time, the upper pressure roller 10 can cooperate with the first lower pressure roller 11 and the second lower pressure roller 12 to roll the shrink film in transmission, so as to facilitate the flattening of the shrink film and ensure the tension of the shrink film during transmission. Finally, the second reduction motor 22 drives the threaded rod 21 to rotate, so that the nut pair is located on the outer wall of the threaded rod 21 to slide, and the nut pair drives the linkage seat 8 to slide on the top of the limit rail 20. The positions of the upper pressure roller 10, the first lower pressure roller 11 and the second lower pressure roller 12 can be adjusted front and back according to the correction requirements of the shrink film, so as to facilitate the correction of the shrink film, thereby completing the use of the correction structure.

Claims

1. A deviation-correcting structure for processing high-barrier multi-layer shrink film, characterized by: The invention comprises a machine (1), wherein a roll-off rack (2) is provided on one side of the top of the machine (1), a plurality of guide rollers (3) are rotatably mounted on the inner wall of the roll-off rack (2), two bases (6) are provided on the top of the machine (1) on one side of the roll-off rack (2), a base frame (7) is provided on the top of the two bases (6), both sides of the top of the base (6) are provided with a limit rail (20), a linkage seat (8) is provided above the base (6), the bottom end of the linkage seat (8) is slidably connected to the top of the limit rail (20), and a connecting rod (20) is fixed on the inner wall between the linkage seats (8). A rod (9) is provided with side supports (19) on the outer walls of both sides of the connecting rod (9), an upper pressure roller (10) is rotatably mounted on the inner wall between the side supports (19), a first lower pressure roller (11) is rotatably mounted on the inner wall of the linkage seat (8) below the upper pressure roller (10), a second lower pressure roller (12) is rotatably mounted on the inner wall of the linkage seat (8) on one side of the first lower pressure roller (11), a third reduction motor (23) is mounted on the outer wall of one linkage seat (8), and one end of the third reduction motor (23) is connected to one end of the first lower pressure roller (11).

2. The high-barrier multi-layer shrink film processing correction structure according to claim 1, characterized in that: An axle seat (4) is provided on one side of the top end of the unwinding frame (2), and a limiting frame (16) is provided on the other side of the top end of the unwinding frame (2).

3. The high-barrier multi-layer shrink film processing correction structure according to claim 1, characterized in that: A winding frame (13) is provided at the top of the machine platform (1) on the side of the base frame (7) away from the unwinding frame (2), and a winding roller (15) is rotatably installed at the top of the winding frame (13).

4. The high-barrier multi-layer shrink film processing correction structure according to claim 1, characterized in that: A second reduction motor (22) is installed on the top of the base (6) on the side of the first lower pressure roller (11) away from the third reduction motor (23), and a threaded rod (21) is provided at one end of the second reduction motor (22). The outer wall of the threaded rod (21) is connected to the bottom end of the linkage seat (8) through a nut pair.

5. The deviation-correcting structure for processing high-barrier multi-layer shrink film according to claim 3, characterized in that: A first reduction motor (14) is installed on the outer wall of the upper end of the winding frame (13), and one end of the first reduction motor (14) is connected to one end of the winding roller (15).

6. The deviation-correcting structure for processing high-barrier multi-layer shrink film according to claim 2, characterized in that: A reel (5) is installed above the machine (1) between the limit frame (16) and the shaft seat (4), and the interior of the reel (5) is movably connected to a reel shaft (17), one end of the reel shaft (17) extends to the outside of the reel (5) and is movably connected to the inner wall of the shaft seat (4), and the other end of the reel shaft (17) extends to the outside of the reel (5) and passes through the outside of the limit frame (16), and a locking bolt (18) is installed at the top of the limit frame (16), and the bottom end of the locking bolt (18) passes through the limit frame (16) and is threadedly connected to the top of the reel shaft (17).

Citation Information

Patent Citations

  • Diaphragm deviation rectifying structure

    CN220244996U