Film feeding device with tension detection structure
By introducing a dual-axis motor and detector structure into the film feeding device, the film tension is monitored and adjusted in real time. Combined with electric guide rails and elastic limiters, the problems of film stress concentration and loosening are solved, and stable film conveying is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAISON(JIANGXI)HOUSEHOLD PROD CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-05-29
AI Technical Summary
Existing film feeding devices lack tension detection capabilities, which can lead to stress concentration, excessive tightness, or excessive looseness of the film during transport, resulting in problems such as film accumulation and breakage.
It adopts a structure of dual-axis motor, detector and connecting plate to monitor the film tension in real time and adjust the distance between the detection wheels through the control module. Combined with electric guide rail and elastic element, it realizes the clamping and limiting of the film to ensure that the tension is within the standard range.
It effectively avoids film breakage and slippage during transport, ensures that the film maintains appropriate tension during operation, prevents loosening and tilting, and adapts to the transport of films of different widths.
Smart Images
Figure CN224298502U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thin film technology, and in particular to a thin film feeding device with a tension detection structure. Background Technology
[0002] A thin film is an ultra-thin material layer attached to the surface of a substrate. It is widely used in many fields such as industry, agriculture, construction, electronics, packaging, and medicine, and has a variety of functions and applications.
[0003] Patent CN218931221U discloses a film roll unloading device. It includes a base, a guide roller at the top rear end of the base, a left shaft frame fixed to the left side of the top front end of the base, a disc rotatably connected to the inner surface of the left shaft frame, a support shaft fixed to the center of the disc surface, a cylindrical rod sleeved on the outer wall of the support shaft, and four evenly distributed first support rods rotatably connected to the right side of the outer wall of the cylindrical rod. When using this patent, the film is wound around the guide roller and the material cylinder for guided unloading. However, this existing patent lacks a tension detection function, which can easily lead to stress concentration, excessive tightness, or excessive looseness of the film during transport, potentially causing film accumulation and excessive stretching leading to breakage.
[0004] Therefore, there is a need to provide a film feeding device with a tension detection structure. Utility Model Content
[0005] To overcome the shortcomings of existing patents that lack tension detection, which can easily lead to stress concentration, excessive tightness, or excessive looseness of the film during conveying, resulting in film accumulation and excessive stretching and breakage, this utility model provides a film feeding device with a tension detection structure. Through a dual-axis motor, a detector, and a connecting plate, the tension of the film can be detected to avoid excessive local stress concentration.
[0006] To address the aforementioned issues, this utility model employs the following technical solution: a film feeding device with a tension detection structure, comprising a base and detection wheels, with five detection wheels slidably mounted on the base. The device further comprises a mounting frame, guide rods, screws, a dual-axis motor, connecting plates, and detectors. A mounting frame is fixedly connected to the base, and guide rods are fixedly connected to the mounting frame. A dual-axis motor is mounted on the mounting frame, and screws are mounted on both output shafts of the dual-axis motor via couplings. Connecting plates are threaded onto the screws, and the connecting plates slide on the guide rods. The detection wheels are fixedly connected to adjacent connecting plates, and detectors are mounted on the base.
[0007] Further explanation: It also includes a fixed base, an electric guide rail, an electric slider, a guide seat, a sliding plate, a guide plate, and elastic elements. Two fixed bases are fixedly connected to the base. An electric guide rail is installed inside the fixed base. An electric slider is slidably mounted on the electric guide rail. A guide seat is mounted on the electric slider. Two sliding plates are slidably mounted on the guide seat. Two elastic elements are sleeved on the guide seat. The two ends of the elastic elements are connected to the guide seat and the sliding plate, respectively. A guide plate is fixedly connected to the sliding plate.
[0008] To further explain, it also includes a limited position seat, which is fixedly connected to the guide seat.
[0009] To further explain, it also includes warning devices; two warning devices are installed on the base.
[0010] To further explain, a limit block is fixedly connected to the fixed base.
[0011] To further explain, rubber pads are embedded in the guide plate.
[0012] Compared with the prior art, the present invention has the following technical effects: 1. By starting the dual-axis motor, the two output shafts of the dual-axis motor drive the two screws to rotate respectively. The screws drive the connecting plate to move synchronously along the guide rod, thereby adjusting the spacing of the five detection wheels. At the same time, the detection wheels monitor the film tension data in real time and transmit it to the detector. After the control module analyzes the data, it provides feedback through the display screen. At the same time, the control module can control the dual-axis motor to adjust the spacing of the detection wheels to restore the standard tension value, thereby avoiding local stress concentration of the film and preventing the film from breaking or slipping due to being too tight or too loose during operation.
[0013] 2. By passing the film between two guide plates and then releasing the guide plates, the elastic element rebounds and moves the sliding plate and guide plate inward, so that the guide plates clamp and limit the film. Finally, the film continues to pass through another fixed seat, thereby fixing both ends of the film and preventing the film from coming loose.
[0014] 3. By activating the electric guide rail, the electric guide rail drives the electric slider to move the guide seat, thereby adjusting the movement of the two guide seats and limiting the film of different widths. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Figure 2 This is a three-dimensional structural diagram of the mounting bracket, guide rod, and screw of this utility model.
[0017] Figure 3 This is a three-dimensional structural diagram of the components of this utility model, including the fixed base, electric guide rail, and electric slider.
[0018] Figure 4 This is a three-dimensional structural diagram of the guide seat, sliding plate, and guide plate components of this utility model.
[0019] Figure 5 This is a three-dimensional structural diagram of the base, limit seat, and warning device of this utility model.
[0020] The above-mentioned attached drawings include the following reference numerals: 1-base, 2-detection wheel, 3-mounting bracket, 4-guide rod, 5-screw, 6-dual-axis motor, 7-connecting plate, 8-detector, 9-fixed seat, 10-electric guide rail, 11-electric slider, 12-guide seat, 13-sliding plate, 14-guide plate, 15-elastic element, 16-limit seat, 17-alarm device. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.
[0022] Example 1: A film feeding device with a tension detection structure, see reference. Figures 1-3 and Figure 5 As shown, the system includes a base 1 and detection wheels 2. Five detection wheels 2 are evenly spaced and slidably arranged on the upper part of the base 1, with a staggered arrangement of three on the left and two on the right. It also includes a mounting frame 3, guide rods 4, screws 5, a dual-axis motor 6, a connecting plate 7, and a detector 8. The mounting frame 3 is welded to the upper rear side of the base 1. The guide rods 4 are welded to the upper part of the mounting frame 3. The dual-axis motor 6 is bolted to the lower part of the mounting frame 3. Screws 5 are mounted on both output shafts of the dual-axis motor 6 via couplings. The screws 5 rotate on the mounting frame 3. The connecting plate 7 is threaded onto the screws 5 and slides on the guide rods 4. The detection wheels 2 are fixedly connected to adjacent connecting plates 7 and move together with the connecting plates 7. The detector 8 is bolted to the upper rear side of the base 1. The detector 8 has a built-in display screen and contains a control module. The detector 8 is electrically connected to the five detection wheels 2 and the dual-axis motor 6.
[0023] See Figure 5 As shown, it also includes an alarm 17. The alarm 17 is symmetrically installed on the upper rear side of the base 1, and the alarm 17 is electrically connected to the detector 8.
[0024] When using this device, first, wind the film around the five detection wheels 2 in sequence, then start the dual-axis motor 6. The two output shafts of the dual-axis motor 6 drive the two screws 5 to rotate, and the screws 5 drive the connecting plate 7 to move synchronously along the guide rod 4, thereby adjusting the spacing of the five staggered detection wheels 2. At the same time, the detection wheels 2 monitor the film tension data in real time and transmit it to the detector 8. After the control module analyzes the data, it provides feedback through the display screen. The control module can also control the dual-axis motor 6 to adjust the spacing of the detection wheels 2 to restore the standard tension value, thereby avoiding local stress concentration on the film and preventing the film from breaking or slipping due to being too tight or too loose during operation. When the detector 8 detects that the tension exceeds the limit, it triggers the alarm 17 with sound and light. After the conveying is completed, turn off the dual-axis motor 6 and the detector 8.
[0025] Example 2: Based on Example 1, refer to Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, it also includes a fixed base 9, an electric guide rail 10, an electric slider 11, a guide seat 12, a sliding plate 13, a guide plate 14, and elastic elements 15. Two fixed bases 9 are fixedly connected to the base 1. The two fixed bases 9 are located at the upper left corner and the lower right corner of the base 1, and are the film input point and the output point, respectively. An electric guide rail 10 is installed inside the top of the fixed base 9 by bolt connection. An electric slider 11 is slidably installed on the electric guide rail 10. A guide seat 12 is installed on the electric slider 11. Sliding plates 13 are slidably installed on both the upper and lower parts of the guide seat 12. Two elastic elements 15 are sleeved on the guide seat 12. The two ends of the elastic elements 15 are connected to the guide seat 12 and the sliding plate 13, respectively. A guide plate 14 is fixedly connected to the sliding plate 13.
[0026] See Figure 1 and Figure 5 As shown, it also includes a limiting seat 16, which is fixedly connected to the guide seat 12. The limiting seat 16 is located in front of two adjacent guide plates 14, thereby limiting the position of the film and preventing the film from tilting.
[0027] See Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, a limiting block is fixedly connected to the middle of the fixed base 9, which can separate the two electric sliders 11 of the electric guide rail 10.
[0028] See Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, a rubber pad is embedded in the guide plate 14.
[0029] When the film is wrapped around the front of the detection wheel 2, the electric guide rail 10 is activated. The electric guide rail 10 drives the electric slider 11 to move the guide seat 12, thereby adjusting the movement of the two guide seats 12 and limiting the film of different widths. Then, the guide plate 14 is pushed outward to drive the sliding plate 13 to squeeze the elastic element 15. The elastic element 15 is compressed accordingly. The film is then passed between the two guide plates 14. Then the guide plate 14 is released, and the elastic element 15 rebounds, causing the sliding plate 13 and the guide plate 14 to move inward, so that the guide plate 14 clamps and limits the film. Finally, the film continues to pass through another fixed seat 9, thereby fixing both ends of the film and preventing the film from loosening. At the same time, the limiting seat 16 restricts the film to prevent it from tilting and ensures that the film always runs along the center line. The limiting block of the fixed seat 9 separates the two electric sliders 11, keeping the two guiding systems operating independently.
[0030] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation in order to cover all variations and equivalent structures and functions.
Claims
1. A film feeding device with a tension detection structure, comprising a base (1) and detection wheels (2), wherein five detection wheels (2) are slidably arranged on the base (1), characterized in that: It also includes a mounting bracket (3), a guide rod (4), a screw (5), a dual-axis motor (6), a connecting plate (7), and a detector (8). The mounting bracket (3) is fixedly connected to the base (1), the guide rod (4) is fixedly connected to the mounting bracket (3), the dual-axis motor (6) is mounted on the mounting bracket (3), the two output shafts of the dual-axis motor (6) are each equipped with a screw (5) through a coupling, the connecting plate (7) is threaded on the screw (5), the connecting plate (7) slides on the guide rod (4), the detection wheel (2) is fixedly connected to the adjacent connecting plate (7), and the detector (8) is mounted on the base (1).
2. The film feeding device with tension detection structure according to claim 1, characterized in that: It also includes a fixed seat (9), an electric guide rail (10), an electric slider (11), a guide seat (12), a sliding plate (13), a guide plate (14), and an elastic element (15). Two fixed seats (9) are fixedly connected to the base (1). An electric guide rail (10) is installed inside the fixed seat (9). An electric slider (11) is slidably arranged on the electric guide rail (10). A guide seat (12) is installed on the electric slider (11). Two sliding plates (13) are slidably arranged on the guide seat (12). Two elastic elements (15) are sleeved on the guide seat (12). The two ends of the elastic elements (15) are respectively connected to the guide seat (12) and the sliding plate (13). A guide plate (14) is fixedly connected to the sliding plate (13).
3. The film feeding device with tension detection structure according to claim 2, characterized in that: It also includes a finite seat (16), which is fixedly connected to the guide seat (12).
4. A film feeding device with a tension detection structure according to claim 3, characterized in that: It also includes a warning device (17), with two warning devices (17) installed on the base (1).
5. A film feeding device with a tension detection structure according to claim 4, characterized in that: A limit block is fixedly connected to the fixed base (9).
6. A film feeding device with a tension detection structure according to claim 5, characterized in that: A rubber pad is embedded in the guide plate (14).