Deviation rectifying device for biaxially oriented film production line

Abstract

The utility model belongs to the technical field of two-way stretching film deviation rectifying devices, and particularly relates to a two-way stretching film production line deviation rectifying device which comprises a base and a film unreeling machine, first fixing lugs are symmetrically and fixedly connected to the top of the base, and a first two-way lead screw is rotationally connected between the two first fixing lugs. L-shaped rods are symmetrically connected to the outer portion of the first bidirectional lead screw in a threaded mode, first damping rotating shafts are rotatably connected to the interiors of the two L-shaped rods, mounting frames are fixedly connected to the adjacent ends of the first damping rotating shafts, and second bidirectional lead screws are rotatably connected to the interiors of the mounting frames. The deviation rectifying plates on the two sides are controlled to be close to or away from each other through the motor and the first two-way lead screw, the angles of the deviation rectifying plates are adjusted through the first damping rotating shafts, the distance between the two deviation rectifying plates on the same side is controlled through the handle and the second two-way lead screw, and therefore self-adaptive adjustment can be conducted according to the film production line angle, the film thickness and the film width; the structure is simple and practicability is high.

Description

Technical Field

[0001] This utility model relates to the technical field of biaxially oriented film correction devices, specifically a correction device for a biaxially oriented film production line. Background Technology

[0002] Biaxially oriented polypropylene film, also known as BOPP film, has a production line with a deviation correction device to ensure the smooth operation of the film material during multiple stages such as stretching, extrusion, and cooling, preventing film deviation, wrinkling, or other quality problems, thereby ensuring product quality and production efficiency.

[0003] The prior art has the following defects or problems: The prior art disclosed in CN213140812U is a correction device for a biaxially oriented film production line, including a base, a first mounting plate fixedly installed on one side of the top of the base, a second mounting plate provided on the front side of the first mounting plate, a winding roller provided between the first mounting plate and the second mounting plate, a first rotating shaft rotatably installed on the front side of the first mounting plate, a first drive motor fixedly installed on the rear side of the first mounting plate, and the front end of the output shaft of the first drive motor fixedly connected to the rear end of the first rotating shaft.

[0004] During use, the above-mentioned equipment can be used to correct the deviation of biaxially oriented films of different widths by adjusting the distance between the two correction plates. This avoids the biaxially oriented film from shifting position during the winding process, which would cause uneven winding. After winding is completed, the take-up roller can be quickly removed from the two correction plates, saving time and effort, improving work efficiency, and making it more convenient to use.

[0005] In practical use, the above-mentioned device cannot adjust the angle of the correction plate while adjusting biaxially oriented films of different widths, nor can it adjust the correction plate according to the thickness of the biaxially oriented film. Furthermore, it cannot adjust the tension during the production of biaxially oriented films. Therefore, it is necessary to propose a correction device for a biaxially oriented film production line.

[0006] It should be noted that the above content falls within the inventor's technical knowledge and does not necessarily constitute prior art. Utility Model Content

[0007] To address the shortcomings of existing technologies, this invention provides a deviation correction device for a biaxially oriented film production line, which solves the current problems.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a biaxially oriented film production line correction device, comprising a base and a film unwinding machine, wherein the top of the base is symmetrically fixedly connected with first fixing ears, and a first biaxial screw is rotatably connected between the two first fixing ears, and an L-shaped rod is symmetrically threaded to the outside of the first biaxial screw, and a first damping shaft is rotatably connected to the inside of each of the two L-shaped rods, and a mounting frame is fixedly connected to an adjacent end of each first damping shaft, and a second biaxial screw is rotatably connected to the inside of each mounting frame, and a correction plate is symmetrically threaded to the outside of each second biaxial screw.

[0009] As a preferred embodiment of the present invention, one end of each second bidirectional lead screw extends to the outside of the mounting frame and is fixedly connected to a handle, a first limiting rod is fixedly connected inside each mounting frame, and each correction plate is slidably connected to the corresponding first limiting rod.

[0010] As a preferred embodiment of this utility model, an L-shaped fixing plate is installed on the outside of the base, and a motor is installed on the top of the L-shaped fixing plate. The output end of the motor is fixedly connected to the first bidirectional lead screw.

[0011] As a preferred embodiment of this utility model, a second limiting rod is fixedly connected between the two first fixing ears, and the second limiting rod is slidably connected to the two L-shaped rods.

[0012] As a preferred embodiment of this utility model, the base is symmetrically equipped with second fixing ears on its exterior, and each of the second fixing ears is rotatably connected to a second damping shaft.

[0013] As a preferred embodiment of this utility model, each of the two second damping shafts has a connecting rod fixedly connected to one adjacent end, and a film pressure roller is rotatably connected between the two connecting rods.

[0014] Compared with the prior art, this utility model provides a web-correcting device for a biaxially oriented film production line, which has the following advantages:

[0015] I. The above-mentioned biaxially oriented film production line correction device is configured with a motor, a first biaxial screw, a first damping shaft, a handle, a second biaxial screw, and correction plates. The motor and the first biaxial screw control the correction plates to move closer or further apart, the first damping shaft adjusts the angle of the correction plates, and the handle and the second biaxial screw control the distance between two correction plates on the same side. Thus, it can adaptively adjust according to the angle of the film production line, the thickness and width of the film. It has a simple structure and strong practicality.

[0016] II. The corrective device for a biaxially oriented film production line is configured with a film pressure roller, a connecting rod, and a second damping shaft. The film pressure roller drives the connecting rod to rotate, and the rotation of the connecting rod drives the second damping shaft to rotate. Since the second damping shaft has a strong damping effect, the rotation angle of the film pressure roller can be fixed with resistance, thereby realizing the tension adjustment during the production of biaxially oriented film. Attached Figure Description

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

[0018] Figure 2 This is a schematic diagram of the connection structure of the mounting frame of this utility model;

[0019] Figure 3 This is a schematic diagram of the connection structure of the correction plate of this utility model;

[0020] Figure 4 This is a schematic diagram of the connection structure of the film roller of this utility model.

[0021] In the diagram: 1. Base; 2. Film unwinding machine; 3. First fixing lug; 4. First bidirectional lead screw; 5. L-shaped rod; 6. First damping shaft; 7. Mounting frame; 8. Second bidirectional lead screw; 9. Correction plate; 10. Handle; 11. First limit rod; 12. L-shaped fixing plate; 13. Motor; 14. Second limit rod; 15. Second fixing lug; 16. Second damping shaft; 17. Connecting rod; 18. Film pressure roller. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example 1

[0025] like Figure 1-Figure 4As shown, this utility model provides a technical solution: a correction device for a biaxially oriented film production line, including a base 1 and a film unwinding machine 2. The top of the base 1 is symmetrically fixedly connected with first fixing ears 3. A first biaxial screw 4 is rotatably connected between the two first fixing ears 3. An L-shaped rod 5 is symmetrically threaded to the outside of the first biaxial screw 4. A first damping shaft 6 is rotatably connected to the inside of each of the two L-shaped rods 5. An installation frame 7 is fixedly connected to an adjacent end of each first damping shaft 6. A second biaxial screw 8 is rotatably connected to the inside of each installation frame 7. A correction plate 9 is symmetrically threaded to the outside of each second biaxial screw 8.

[0026] One end of each second bidirectional lead screw 8 extends to the outside of the mounting frame 7 and is fixedly connected to a handle 10. A first limiting rod 11 is fixedly connected inside each mounting frame 7. Each correction plate 9 is slidably connected to the corresponding first limiting rod 11. An L-shaped fixing plate 12 is installed on the outside of the base 1. A motor 13 is installed on the top of the L-shaped fixing plate 12. The output end of the motor 13 is fixedly connected to the first bidirectional lead screw 4. A second limiting rod 14 is fixedly connected between the two first fixing ears 3, and the second limiting rod 14 is slidably connected to the two L-shaped rods 5.

[0027] In this embodiment, the first bidirectional lead screw 4 is driven to rotate by the motor 13. When the first bidirectional lead screw 4 rotates, it drives the two L-shaped rods 5 to move outside the second limiting rod 14. The second limiting rod 14 can limit the L-shaped rods 5 and improve the movement stability of the L-shaped rods 5. When the L-shaped rods 5 move, they drive the first damping shaft 6 to move. When the first damping shaft 6 moves, it drives the mounting frame 7 to move. When the two mounting frames 7 move, they drive their respective correction plates 9 to move away from each other or move closer to each other, so that the width can be adjusted according to the width of the biaxially stretched film.

[0028] The first damping shaft 6 drives the mounting frame 7 and the correction plate 9 to rotate, thereby adjusting the angle of the correction plate 9. The correction can be adapted to the production angle of the biaxially oriented film. The handle 10 drives the second biaxial screw 8 to rotate. When the second biaxial screw 8 rotates, it drives multiple correction plates 9 to move outside the first limit rod 11. The first limit rod 11 can limit the correction plates 9 and improve the movement stability of the correction plates 9. By moving the multiple correction plates 9 away from or close to each other, the correction can be adjusted according to the thickness of the biaxially oriented film.

[0029] Example 2

[0030] like Figure 1-Figure 4 As shown, the base 1 is symmetrically equipped with second fixing ears 15. Each second fixing ear 15 is rotatably connected to a second damping shaft 16. A connecting rod 17 is fixedly connected to one adjacent end of each of the two second damping shafts 16. A film pressure roller 18 is rotatably connected between the two connecting rods 17.

[0031] In this embodiment, the connecting rod 17 is rotated by the film pressure roller 18, and the second damping shaft 16 is rotated when the connecting rod 17 rotates. The second damping shaft 16 has a strong damping effect, so the rotation angle of the film pressure roller 18 can be fixed with resistance. By changing the angle of the film pressure roller 18, the tension during the production of biaxially oriented film can be adjusted. The structure is simple and reasonable, can be quickly adjusted, and is highly practical.

[0032] The working principle of this embodiment is as follows: During use, the motor 13 drives the first bidirectional lead screw 4 to rotate. When the first bidirectional lead screw 4 rotates, it drives the two L-shaped rods 5 to move outside the second limiting rod 14. The second limiting rod 14 can limit the L-shaped rods 5, thereby improving the movement stability of the L-shaped rods 5. When the L-shaped rods 5 move, they drive the first damping shaft 6 to move. When the first damping shaft 6 moves, it drives the mounting frame 7 to move. When the two mounting frames 7 move, they drive their respective correction plates 9 to move away from or closer to each other, thereby allowing adjustment according to the width of the biaxially stretched film.

[0033] The first damping shaft 6 drives the mounting frame 7 and the correction plate 9 to rotate, thereby adjusting the angle of the correction plate 9, which can be adapted to the production angle of biaxially oriented film for correction.

[0034] The handle 10 drives the second bidirectional lead screw 8 to rotate. When the second bidirectional lead screw 8 rotates, it drives multiple correction plates 9 to move outside the first limit rod 11. The first limit rod 11 can limit the correction plates 9 and improve the movement stability of the correction plates 9. By moving the multiple correction plates 9 away from or close to each other, the thickness of the biaxially stretched film can be adjusted.

[0035] The film roller 18 drives the connecting rod 17 to rotate, and the connecting rod 17 drives the second damping shaft 16 to rotate. The second damping shaft 16 has a strong damping effect, so the rotation angle of the film roller 18 can be fixed with resistance. By changing the angle of the film roller 18, the tension during the production of biaxially oriented film can be adjusted. The structure is simple and reasonable, can be quickly adjusted, and is highly practical.

[0036] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A web-aligning device for a biaxially oriented film production line, characterized in that: The device includes a base (1) and a film unwinding machine (2). The top of the base (1) is symmetrically fixedly connected with first fixing ears (3). A first bidirectional lead screw (4) is rotatably connected between the two first fixing ears (3). An L-shaped rod (5) is symmetrically threaded to the outside of the first bidirectional lead screw (4). A first damping shaft (6) is rotatably connected to the inside of each of the two L-shaped rods (5). An installation frame (7) is fixedly connected to one adjacent end of each first damping shaft (6). A second bidirectional lead screw (8) is rotatably connected to the inside of each installation frame (7). A correction plate (9) is symmetrically threaded to the outside of each second bidirectional lead screw (8).

2. The web guiding device for a biaxially oriented film production line according to claim 1, characterized in that: One end of each of the second bidirectional lead screws (8) extends to the outside of the mounting frame (7) and is fixedly connected to a handle (10). A first limiting rod (11) is fixedly connected inside each of the mounting frames (7). Each of the correction plates (9) is slidably connected to the corresponding first limiting rod (11).

3. The web guiding device for a biaxially oriented film production line according to claim 1, characterized in that: An L-shaped fixing plate (12) is installed on the outside of the base (1), and a motor (13) is installed on the top of the L-shaped fixing plate (12). The output end of the motor (13) is fixedly connected to the first bidirectional lead screw (4).

4. The web guiding device for a biaxially oriented film production line according to claim 1, characterized in that: A second limiting rod (14) is fixedly connected between the two first fixed ears (3), and the second limiting rod (14) is slidably connected to the two L-shaped rods (5).

5. The web guiding device for a biaxially oriented film production line according to claim 1, characterized in that: The base (1) is symmetrically equipped with second fixing ears (15) on the outside, and each of the second fixing ears (15) is rotatably connected to a second damping shaft (16).

6. The web guiding device for a biaxially oriented film production line according to claim 5, characterized in that: Each of the two second damping shafts (16) is fixedly connected to a connecting rod (17) at one of its adjacent ends, and a film roller (18) is rotatably connected between the two connecting rods (17).

Images