Device for detecting state of edge part of film roll in rolling station
By designing a device at the winding station to detect the condition of the film roll edge, and utilizing a combination of the main frame, pressure frame, and photoelectric sensors, real-time detection and early warning of the film are achieved. This solves the downtime problem caused by edge folding at the winding station and improves the operational stability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-17
AI Technical Summary
As existing winding stations continue to increase equipment capacity during film winding, the impact of folding issues on downtime is becoming increasingly significant, and there has been a lack of effective early warning and handling.
A device for detecting the state of the film roll edge at the winding station was designed. The system consists of a main frame, a pressure frame, a photoelectric sensor, and a tension spring. It can achieve film compression and real-time detection, provide early warning of edge folding, and transmit alarm signals to the central control room.
It enables real-time monitoring of the membrane roll edge status, increases emergency response time, reduces unexpected downtime, and improves equipment reliability.
Smart Images

Figure CN224000710U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of film winding station inspection technology, and in particular to a device for detecting the condition of the edge of the film roll at a film winding station. Background Technology
[0002] Greenhouses used for growing low-growing vegetables such as chives, peppers, and leafy greens have roofs constructed from plastic film. The film is unfolded and laid over an arched frame, with its edges secured to form the planting space inside. The plastic film is manufactured in rolls, approximately 1 to 2.5 meters wide, and can unfold to tens of meters in length. After each harvest, growers need to roll up the unfolded film for reuse in the next season.
[0003] As the film is wound up at the winding station, problems that have never occurred before begin to emerge as the equipment's capacity continues to increase. Among these, the downtime caused by edge folding issues is having an increasingly significant impact. Utility Model Content
[0004] The purpose of this invention is to provide a device for detecting the condition of the film roll edge at a winding station, in order to solve the problem that, as the production capacity of the equipment continues to increase when the existing winding station is winding the film, problems that have never occurred before have begun to emerge, among which the downtime caused by the folding problem has become increasingly significant.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a device for detecting the state of the film roll edge at a winding station, comprising a main frame, a U-shaped groove on the top of the main frame, a rotating rod movably connected to the inner side of the U-shaped groove, a winding roller fixedly connected to the side of the rotating rod, and a first rotating wheel fixedly connected to the other end of the rotating rod, the first rotating wheel being connected to a second rotating wheel via a belt drive, an assembly block located inside the U-shaped groove on the top of the rotating rod, a green indicator light on the outer side of the main frame, and a pressure frame movably connected to the side of the main frame via an assembly rod, a fixing rod fixedly connected to the inner bottom of the pressure frame, a pressing wheel movably connected to the outer side of the fixing rod, a photoelectric sensor located above the pressing wheel on the inner side of the pressure frame, and a linkage plate fixedly connected to the side of the assembly rod. This device is applied in the film industry, and can provide early warning of edge folding, increase emergency handling time, and reduce unexpected downtime.
[0006] As a preferred embodiment of this utility model, a side plate is fixedly connected to the side of the main frame, and a drive motor is fixedly connected to the side of the side plate. The output shaft of the drive motor is fixedly connected to the inner side of the second rotating wheel.
[0007] As a preferred embodiment of this utility model, the main frame has a slot on its side, and the side of the side plate is engaged with the inside of the slot.
[0008] As a preferred embodiment of this utility model, the inner side of the assembly block is threaded with a screw rod, the side of the screw rod is fixedly connected with a linkage rod, and the side of the linkage rod is fixedly connected with a rotating block.
[0009] As a preferred embodiment of this utility model, a base plate is fixedly connected to the inner bottom of the main frame, and the number of base plates is two.
[0010] As a preferred technical solution of this utility model, a sliding rod is fixedly connected to the inner side of the linkage plate, and a tension spring is fixedly connected to the side of the sliding rod; a pressure frame is installed on the side of the main frame via an assembly rod, and the assembly rod on the side of the pressure frame slides on the inner side of the arc-shaped guide rail on the outer side of the pressure frame via the sliding rod and the linkage plate. A tension spring is fixedly connected to the outer side of the sliding rod and located on the inner side of the arc-shaped guide rail. The tension spring can make the pressing wheel on the pressure frame press the film. Photoelectric sensors are installed behind the pressing wheels on both sides for detection, and alarm signals are transmitted to the central control room. At the same time, the green signal can monitor the operating status of the device to prevent system damage from going undetected.
[0011] As a preferred embodiment of this utility model, an arc-shaped guide rail is provided on the side of the main frame, and the inner side of the arc-shaped guide rail is slidably connected to the side of the slide rod.
[0012] As a preferred embodiment of this utility model, a threaded hole is provided on the inner side of the U-shaped groove, and the inner side of the threaded hole is threadedly connected to the outer side of the screw.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. This utility model uses an assembly rod to install a pressure frame on the side of the main frame. The assembly rod on the side of the pressure frame is movably connected to the inner side of the arc-shaped guide rail on the outer side of the pressure frame via a sliding rod and a linkage plate. A tension spring is fixedly connected to the outer side of the sliding rod and located on the inner side of the arc-shaped guide rail. The tension spring can make the pressing wheel on the pressure frame press the film. Photoelectric sensors are installed behind the pressing wheels on both sides for detection and transmit alarm signals to the central control room. At the same time, the green signal can monitor the operating status of the device and prevent system damage from going undetected.
[0015] 2. This device is used in the film industry to provide early warning of edge folding, increase emergency response time, and reduce unexpected downtime. Attached Figure Description
[0016] Figure 1 This is a front view of the structure of this utility model;
[0017] Figure 2 This is a side view of the main structural frame of this utility model;
[0018] Figure 3 This is a structural frame diagram of the present invention;
[0019] Figure 4 This is a structural assembly block diagram of the present invention;
[0020] Figure 5 This is a structural circuit system diagram of the present invention.
[0021] In the diagram: 1. Main frame; 2. Rotating rod; 3. Rotating wheel one; 4. Take-up roller; 5. Belt; 6. Rotating wheel two; 7. Drive motor; 8. Assembly block; 9. Linkage rod; 10. Screw; 11. Rotating block; 12. Base plate; 13. Green indicator light; 14. Slot; 15. U-shaped groove; 16. Arc guide rail; 17. Threaded hole; 18. Assembly rod; 19. Pressure frame; 20. Fixing rod; 21. Pressure wheel; 22. Photoelectric sensor; 23. Linkage plate; 24. Slide rod; 25. Tension spring; 26. Side plate. 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] Please see Figure 1-5 This utility model provides a device for detecting the state of the film roll edge at a winding station. It includes a main frame 1, with a U-shaped groove 15 at the top. A rotating rod 2 is movably connected to the inner side of the U-shaped groove 15. A winding roller 4 is fixedly connected to the side of the rotating rod 2, and a first rotating wheel 3 is fixedly connected to the other end of the rotating rod 2. The first rotating wheel 3 is connected to a second rotating wheel 6 via a belt 5. An assembly block 8 is located inside the U-shaped groove 15 at the top of the rotating rod 2. A green indicator light 13 is located on the outer side of the main frame 1. A pressure frame 19 is movably connected to the side of the main frame 1 via an assembly rod 18. A fixing rod 20 is fixedly connected to the inner bottom of the pressure frame 19, and a pressing wheel 21 is movably connected to the outer side of the fixing rod 20. A photoelectric sensor 22 is located above the pressing wheel 21 on the inner side of the pressure frame 19. A linkage plate 23 is fixedly connected to the side of the assembly rod 18. This device is used in the film industry to provide early warning of edge folding, increase emergency response time, and reduce unexpected downtime.
[0024] In summary, the pressure frame 19 is installed on the side of the main frame 1 via the assembly rod 18. The assembly rod 18 on the side of the pressure frame 19 is movably connected to the inner side of the arc-shaped guide rail 16 on the outer side of the pressure frame 19 via the slide rod 24 and the linkage plate 23. The slide rod 24 is fixedly connected to the tension spring 25 located on the inner side of the arc-shaped guide rail 16. The tension spring 25 can make the pressing wheel 21 on the pressure frame 19 press the film. Photoelectric sensors 22 are installed behind the pressing wheels 21 on both sides for detection and transmit alarm signals to the central control room. At the same time, the green signal can monitor the operating status of the device to prevent system damage from going undetected. This device is used in the film industry to provide early warning of edge folding, increase emergency handling time, reduce unexpected downtime, and solve the problem that, as the production capacity of the equipment continues to increase, problems that have never occurred before have begun to emerge when the existing winding station is winding the film. Among them, the downtime caused by edge folding has an increasingly significant impact.
[0025] A side plate 26 is fixedly connected to the side of the main frame 1, and a drive motor 7 is fixedly connected to the side of the side plate 26. The output shaft of the drive motor 7 is fixedly connected to the inner side of the rotating wheel 6. A slot 14 is opened on the side of the main frame 1, and the side of the side plate 26 is snapped into the inner side of the slot 14. A screw 10 is threadedly connected to the inner side of the assembly block 8, and a linkage rod 9 is fixedly connected to the side of the screw 10. A rotating block 11 is fixedly connected to the side of the linkage rod 9.
[0026] Two base plates 12 are fixedly connected to the inner bottom of the main frame 1. A slide rod 24 is fixedly connected to the inner side of the linkage plate 23, and a tension spring 25 is fixedly connected to the side of the slide rod 24. A pressure frame 19 is installed on the side of the main frame 1 via an assembly rod 18. The assembly rod 18 on the side of the pressure frame 19 is movably connected to the inner side of the arc-shaped guide rail 16 on the outer side of the pressure frame 19 via the slide rod 24 and the linkage plate 23. A tension spring 25 located on the inner side of the arc-shaped guide rail 16 is fixedly connected to the outer side of the slide rod 24. The tension spring 25 can... The pressing rollers 21 on the pressing frame 19 press the film tightly. Photoelectric sensors 22 are installed behind the pressing rollers 21 on both sides for detection and transmit alarm signals to the central control room. At the same time, the green signal can monitor the operating status of the device to prevent system damage from going undetected. The side of the main frame 1 is provided with an arc-shaped guide rail 16. The inner side of the arc-shaped guide rail 16 is slidably connected to the side of the slide rod 24. The inner side of the U-shaped groove 15 is provided with a threaded hole 17. The inner side of the threaded hole 17 is threadedly connected to the outer side of the screw 10.
[0027] In practical use, firstly, the pressure frame 19 is installed on the side of the main frame 1 via the assembly rod 18. The assembly rod 18 on the side of the pressure frame 19 is movably connected to the inner side of the arc-shaped guide rail 16 on the outside of the pressure frame 19 via the slide rod 24 and the linkage plate 23. The slide rod 24 is fixedly connected to the tension spring 25 located on the inner side of the arc-shaped guide rail 16. The tension spring 25 can make the pressing wheel 21 on the pressure frame 19 press the film. Photoelectric sensors 22 are installed behind the pressing wheels 21 on both sides for detection and transmit alarm signals to the central control room. At the same time, the green signal can monitor the operating status of the device to prevent system damage from going undetected. This device is used in the film industry to provide early warning of edge folding, increase emergency handling time, and reduce the occurrence of unexpected downtime.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A device for detecting the state of the edge of a film roll in a winding station, comprising a main frame (1), characterized in that: The top of the main rack (1) is provided with a U-shaped groove (15), the inner side of the U-shaped groove (15) is movably connected with a rotating rod (2), the side of the rotating rod (2) is fixedly connected with a winding roller (4), and the other end of the rotating rod (2) is fixedly connected with a rotating wheel one (3), the rotating wheel one (3) is drivingly connected with a rotating wheel two (6) through a belt (5), the top of the rotating rod (2) is provided with an assembling block (8) located in the inner side of the U-shaped groove (15), the outer side of the main rack (1) is provided with a green indicator light (13), and the side of the main rack (1) is movably connected with a pressing frame (19) through an assembling rod (18), the bottom inner side of the pressing frame (19) is fixedly connected with a fixed rod (20), the outer side of the fixed rod (20) is movably connected with a pressing edge wheel (21), the inner side of the pressing frame (19) is provided with a photoelectric sensor (22) located above the pressing edge wheel (21), and the side of the assembling rod (18) is fixedly connected with a linkage plate (23).
2. The apparatus for detecting the edge portion of the film roll of the winding station according to claim 1, characterized in that: The side of the main rack (1) is fixedly connected with a side plate (26), the side of the side plate (26) is fixedly connected with a driving motor (7), and the output shaft of the driving motor (7) is fixedly connected with the inner side of the rotating wheel two (6).
3. The apparatus for detecting the edge portion of the film roll of the winding station according to claim 2, characterized in that: The side of the main rack (1) is provided with a clamping groove (14), and the side of the side plate (26) is clamped in the inner side of the clamping groove (14).
4. The apparatus of claim 1, wherein: The inner side of the assembling block (8) is threadedly connected with a screw rod (10), the side of the screw rod (10) is fixedly connected with a linkage rod (9), and the side of the linkage rod (9) is fixedly connected with a rotating block (11).
5. The apparatus of claim 1, wherein: The bottom inner side of the main rack (1) is fixedly connected with a bottom plate (12), and the number of the bottom plate (12) is two.
6. The apparatus of claim 1, wherein: The inner side of the linkage plate (23) is fixedly connected with a sliding rod (24), and the side of the sliding rod (24) is fixedly connected with a tension spring (25).
7. The apparatus of claim 1, wherein: The side of the main rack (1) is provided with an arc-shaped guide rail (16), and the inner side of the arc-shaped guide rail (16) is slidably connected with the side of the sliding rod (24).
8. The apparatus of claim 1, wherein: The inner side of the U-shaped groove (15) is provided with a threaded hole (17), and the inner side of the threaded hole (17) is threadedly connected with the outer side of the screw rod (10).