A bopp film processing device

Abstract

The utility model discloses a kind of BOPP film processing device, comprising: rack, the rack is U-shaped structure, the inside two ends of the rack are symmetric and rotatably connected with connecting shaft, the opposite end of two the connecting shaft is fixedly connected with connecting disc, and the reel is detachably installed between two the connecting disc, the inside of the rack is rotatably connected with guide roller in the side away from reel;Driving assembly, the driving assembly is assembled in the outside one end of the rack, and the driving end of the driving assembly is connected with the opposite end of one of the connecting shaft away from connecting disc.

Description

Technical Field

[0001] This utility model relates to the field of BOPP film processing technology, and in particular to a BOPP film processing apparatus. Background Technology

[0002] In the processing of BOPP film, the winding process is a key step to ensure the quality of film forming and its subsequent performance. Existing BOPP film winding equipment usually includes a frame, winding rollers and a guide structure, and the film is wound and stored by rotating the winding rollers.

[0003] However, in existing devices, the film is prone to wrinkles during the winding process due to uneven tension or poor adhesion to the winding roller. The components used for auxiliary pressing are mostly fixed and cannot be adaptively adjusted according to the thickness changes of the film during the winding process, resulting in unstable winding quality. In addition, the auxiliary pressing and tension adjustment mechanisms are mostly set independently, which not only occupies more equipment space, but also makes the overall structure bulky, with low space utilization, and increases the complexity of installation and maintenance. Utility Model Content

[0004] The purpose of this invention is to provide a BOPP film processing apparatus to solve the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A BOPP film processing apparatus, comprising: The frame has a U-shaped structure. The two ends of the inner side of the frame are symmetrically and rotatably connected to connecting shafts. The opposite ends of the two connecting shafts are fixedly connected to connecting discs. A take-up roller is detachably installed between the two connecting discs. A guide roller is rotatably connected to the inner side of the frame away from the take-up roller. A drive assembly is mounted on one side of the frame, and the drive end of the drive assembly is connected to one end of the connecting shaft away from the connecting disk. An elastic sliding assembly is installed on both sides of the inner side of the frame between the take-up roller and the guide roller. An extrusion assembly is rotatably connected to the elastic sliding assembly. The elastic sliding assembly works in conjunction with the extrusion assembly to extrude and rewind the film.

[0006] Furthermore, the driving component is a drive motor, which is mounted on one side of the frame, and the driving end of the drive motor is connected to the end of one of the connecting shafts away from the connecting disc.

[0007] Furthermore, the elastic sliding assembly includes symmetrically opened grooves on both sides of the inner cavity of the frame, and a slider slidably connected in the two grooves, with a spring fixedly connected between the bottom end of the slider and the bottom end of the inner cavity of the groove.

[0008] Furthermore, the height of the guide roller is lower than the height of the take-up roller.

[0009] Furthermore, each of the two connecting discs has a fixing bolt rotatably passing through one end near the connecting shaft, and the fixing bolt is threadedly connected to the end face of the take-up roller.

[0010] Furthermore, the extrusion assembly includes a rotating shaft rotatably connected to one end of each of the two sliders. A connecting plate is fixedly connected to one end of each of the two rotating shafts. A pressure roller is rotatably connected between the two connecting plates. The pressure roller is in rotatable contact with the surface of the winding roller. A torsion spring is sleeved on the outer circumference of each of the two rotating shafts. Compared with the prior art, the beneficial effects of this utility model are as follows: By leveraging the combined action of the slider and spring of the elastic sliding component and the torsion spring of the extrusion component, the pressing force is adaptively adjusted according to the winding thickness, effectively avoiding wrinkles and loose winding during film winding. At the same time, the pressing and winding and tension adjustment functions are integrated, eliminating the need for independent mechanisms, reducing equipment space occupation, and simplifying the installation and maintenance process. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of a BOPP film processing device proposed in this utility model; Figure 2 A front sectional view of the contact between the pressure roller and an empty take-up roller in a BOPP film processing device proposed in this utility model. Figure 3 This is an enlarged view of point A of a BOPP film processing apparatus proposed in this utility model; Figure 4 This is a front cross-sectional view of the contact between the pressure roller and the winding BOPP film in a BOPP film processing device proposed in this utility model.

[0012] In the diagram: 1. Frame; 2. Drive motor; 3. Connecting shaft; 4. Connecting disc; 5. Take-up roller; 6. Fixing bolt; 7. Pressure roller; 8. Guide roller; 9. Slide groove; 10. Connecting plate; 11. Slider; 12. Spring; 13. Torsion spring; 14. Rotating shaft. Detailed Implementation

[0013] 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.

[0014] Reference Figure 1-4 A BOPP film processing apparatus, comprising: The frame 1 has a U-shaped structure. The two ends of the inner side of the frame 1 are symmetrically and rotatably connected to the connecting shafts 3. The opposite ends of the two connecting shafts 3 are fixedly connected to the connecting discs 4. The take-up roller 5 is detachably installed between the two connecting discs 4. The guide roller 8 is rotatably connected to the inner side of the frame 1 away from the take-up roller 5. A drive assembly is mounted on one side of the frame 1, and the drive end of the drive assembly is connected to one end of the connecting shaft 3 away from the connecting disk 4. An elastic sliding assembly is installed on both sides of the inner side of the frame 1 between the take-up roller 5 and the guide roller 8. An extrusion assembly is rotatably connected to the elastic sliding assembly. The elastic sliding assembly, in conjunction with the extrusion assembly, is used for film extrusion and winding as well as tension adjustment.

[0015] This application integrates the elastic sliding component and the extrusion component, which not only achieves dynamic extrusion during film winding to ensure tight bonding, but also integrates the extrusion winding and tension adjustment functions into one, avoiding the problems of excessive space occupation and bloated structure caused by the independent setting of auxiliary pressing and tension adjustment mechanisms, effectively improving space utilization and simplifying the installation and maintenance process.

[0016] In the example of this application, the driving component is a drive motor 2, which is mounted on one side of the frame 1, and the driving end of the drive motor 2 is connected to one of the connecting shafts 3 away from the connecting disc 4 via a coupling.

[0017] As a preferred example of this utility model, the drive assembly uses a drive motor 2 and is connected to the connecting shaft 3 for transmission. This provides a stable driving force for the take-up roller 5, ensuring its uniform rotation speed and reducing uneven tension caused by power fluctuations, thereby alleviating the problem of film wrinkling.

[0018] In the example of this application, the elastic sliding assembly includes slid grooves 9 symmetrically opened on both sides of the inner cavity of the frame 1, and sliders 11 slidably connected in the two slid grooves 9. A spring 12 is fixedly connected between the bottom end of the slider 11 and the bottom end of the inner cavity of the slid groove 9.

[0019] As a preferred example of this utility model, the elastic sliding component, through the sliding engagement of the groove 9 and the slider 11, combined with the spring 12 at the bottom of the slider 11, allows the extrusion component to adaptively slide as the film thickness increases during the winding process, and the elastic force of the spring 12 can adjust the tension of the BOPP film in real time.

[0020] In the example of this application, the height of the guide roller 8 is lower than the height of the take-up roller 5.

[0021] As a preferred example of this utility model, the guide roller 8 is lower than the take-up roller 5, so that the film forms a reasonable tension angle before being transferred to the take-up roller 5, which enhances the pre-tension stability of the film and reduces slack or wrinkling during the transfer process.

[0022] In the example of this application, each of the two connecting discs 4 has a fixing bolt 6 rotatably passing through one end near the connecting shaft 3, and the fixing bolt 6 is threadedly connected to the end face surface of the take-up roller 5.

[0023] As a preferred example of this utility model, the connecting disc 4 and the winding roller 5 are detachably fixed by means of the threaded connection between the fixing bolt 6 and the winding roller 5. The structure is simple and the connection is reliable, which greatly simplifies the disassembly and assembly process of the winding roller 5 and reduces the maintenance difficulty.

[0024] In the example of this application, the extrusion assembly includes a rotating shaft 14 rotatably connected to one end of each of the two sliders 11. A connecting plate 10 is fixedly connected to one end of each of the two rotating shafts 14. A pressure roller 7 is rotatably connected between the two connecting plates 10. The pressure roller 7 is in rotatable contact with the surface of the take-up roller 5. A torsion spring 13 is sleeved on the outer periphery of each of the two rotating shafts 14. The inner ring of the torsion spring 13 is adapted to the outer periphery of the shaft. The two free ends of the torsion spring 13 are respectively engaged with the positioning part provided on the shaft to form a circumferential limit, so as to realize that the torsion spring 13 rotates synchronously with the shaft and transmits torque.

[0025] As a preferred example of this utility model, in the extrusion assembly, the rotational contact between the pressure roller 7 and the winding roller 5 can prevent scratching the film surface. The torsion spring 13 on the outer periphery of the rotating shaft 14 forms a circumferential limit by engaging with the positioning part on the shaft, and can provide elastic restoring force synchronously with the rotation of the pressure roller 7. Its synergistic effect with the spring 12 in the elastic sliding assembly realizes the dual adaptive adjustment of the pressing force, enhances the linkage between pressing and tension changes, further reduces wrinkles, loose winding and other problems, and improves the stability of winding quality.

[0026] Working principle: During processing, the BOPP film to be wound first passes through the bottom of the guide roller 8, then is guided to the top of the pressure roller 7, and then passes under the take-up roller 5. One end of the film is placed below the contact point between the pressure roller 7 and the take-up roller 5. The squeezing friction between the two stabilizes one end of the film on the take-up roller 5. Because the guide roller 8 is lower than the take-up roller 5, the film naturally forms a preset tension angle in the transmission path, initially eliminating slack in the transmission process and ensuring tension stability. After the drive motor 2 starts, its driving force is transmitted to the connecting disc 4 through the connecting shaft 3, driving the take-up roller 5 to rotate synchronously. Since one end of the BOPP film is stably stabilized on the take-up roller 5, continuous winding of the film is achieved. During the winding process, the pressure roller 7 of the extrusion assembly always maintains rotational contact with the film on the surface of the take-up roller 5, forming continuous pressure on the wound film and avoiding wrinkles due to loose adhesion. As the film is wound... As the film thickness on roller 5 gradually increases, pressure roller 7 is pushed by the film pressure, causing the slider 11 of the elastic sliding component to slide downwards along the grooves 9 on both sides of the frame 1. At this time, the spring 12 at the bottom of slider 11 is compressed, generating a reverse force through elastic deformation, so that pressure roller 7 always presses against the film surface with appropriate force, and ensures the tension when BOPP film is wound up. At the same time, when pressure roller 7 rotates, it drives the rotating shaft 14 to rotate synchronously. The torsion spring 13 on the outer periphery of the rotating shaft 14 is twisted with the shaft due to the circumferential limiting cooperation with the positioning part on the shaft. It generates a restoring force through its own elastic deformation, which works in conjunction with the elastic force of spring 12 to further optimize the dynamic balance of pressing force, ensuring both tight pressing and real-time adjustment in response to tension fluctuations, reducing wrinkles or loosening problems. After winding is completed, loosening the fixing bolt 6 on the connecting plate 4 can remove the winding roller 5 from between the two connecting plates 4, completing the roll change operation.

[0027] 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. A BOPP film processing apparatus, characterized in that, include: The frame (1) has a U-shaped structure. The two ends of the inner side of the frame (1) are symmetrically and rotatably connected to the connecting shafts (3). The opposite ends of the two connecting shafts (3) are fixedly connected to the connecting discs (4). The take-up roller (5) is detachably installed between the two connecting discs (4). The guide roller (8) is rotatably connected to the inner side of the frame (1) away from the take-up roller (5). A drive assembly is mounted on one side of the frame (1), and the drive end of the drive assembly is connected to one end of the connecting shaft (3) away from the connecting disk (4). An elastic sliding assembly is installed on both sides of the inner side of the frame (1) between the winding roller (5) and the guide roller (8). An extrusion assembly is rotatably connected to the elastic sliding assembly. The elastic sliding assembly works in conjunction with the extrusion assembly to extrude and wind up the film.

2. The BOPP film processing apparatus according to claim 1, characterized in that, The driving component is a drive motor (2), which is installed on one side of the frame (1) and the driving end of the drive motor (2) is connected to one end of the connecting shaft (3) away from the connecting disk (4).

3. The BOPP film processing apparatus according to claim 1, characterized in that, The elastic sliding assembly includes slid grooves (9) symmetrically opened on both sides of the inner cavity of the frame (1), and sliders (11) slidably connected in the two slid grooves (9). A spring (12) is fixedly connected between the bottom end of the slider (11) and the bottom end of the inner cavity of the slid groove (9).

4. The BOPP film processing apparatus according to claim 1, characterized in that, The height of the guide roller (8) is lower than the height of the take-up roller (5).

5. A BOPP film processing apparatus according to claim 1, characterized in that, Both connecting discs (4) have a fixing bolt (6) rotatably passing through one end near the connecting shaft (3), and the fixing bolt (6) is threadedly connected to the end face of the take-up roller (5).

6. A BOPP film processing apparatus according to claim 3, characterized in that, The extrusion assembly includes a rotating shaft (14) rotatably connected to one end of the two sliders (11). A connecting plate (10) is fixedly connected to one end of each of the two rotating shafts (14). A pressure roller (7) is rotatably connected between the two connecting plates (10). The pressure roller (7) is in rotatable contact with the surface of the winding roller (5). A torsion spring (13) is sleeved on the outer periphery of each of the two rotating shafts (14).

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