Device for detecting ultraviolet rain erosion resistance of TPU (thermoplastic polyurethane) film
By designing the combination of clamping frame and fastening rod, the film damage caused by the disassembly of the traditional TPU film detection device is solved, non-destructive testing is achieved, and detection accuracy is improved.
Patent Information
- Application Number
- CN202422577323.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The traditional TPU film's ultraviolet corrosion-resistant detection device needs to be removed at the end of the inspection, which may cause damage to the film and affect the detection accuracy.
A detection device for TPU films that resist UV rain corrosion is designed, including a clamping frame, clamping plate, fastening rod, rainwater simulator and ultraviolet lamp. The film is fixed in the detection box by rotating the fastening rod to avoid damage to the film during disassembly.
It realizes that there is no need to remove the film after inspection, avoids film damage, and improves detection accuracy and result accuracy.
Smart Images

Figure CN223205340U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of TPU film detection, in particular to a device for detecting the ultraviolet rain erosion resistance of a TPU film. Background Art
[0002] As a high-performance material, TPU film has had a profound impact on multiple industries. It combines the easy processing properties of plastic with the elasticity of rubber, exhibiting excellent physical and mechanical properties such as high abrasion resistance, tear strength, and outstanding low-temperature flexibility. In the medical field, TPU film is an ideal material for making medical devices and disposable products due to its biocompatibility. In the textile industry, TPU film is used to make waterproof and breathable clothing, protecting the wearer from wind and rain while maintaining good breathability. In the electronics field, it serves as an insulating and protective layer, protecting sensitive circuits from moisture and mechanical damage. In wearable devices and sports equipment, the flexibility and durability of TPU film are indispensable. In addition, the environmentally friendly properties of TPU film, namely recyclability and biodegradability, are catering to the growing global demand for sustainable materials and promoting the development of green manufacturing. In summary, TPU film, with its diverse functionality and environmental friendliness, plays a key role in promoting technological innovation, improving product performance, and achieving sustainable development goals.
[0003] In the existing technology, the traditional TPU film UV rain erosion resistance testing device mainly consists of a UV light source, a water spray system, a climate control chamber, a performance testing system and a fixing device. These components work together to simulate harsh outdoor environments and test the durability of the film.
[0004] However, the traditional TPU film UV erosion resistance detection device needs to disassemble the TPU film after the detection. The TPU film may be damaged during the disassembly process, which will cause inaccurate detection results and unnecessary human errors. For this reason, the utility model proposes a TPU film UV erosion resistance detection device to solve the above-mentioned technical problems. Utility Model Content
[0005] The purpose of the utility model is to provide a device for detecting the ultraviolet rain erosion resistance of a TPU film, so as to solve the problems raised in the above background technology.
[0006] To achieve the above objectives, the present invention provides the following technical solutions: a device for detecting the resistance of TPU film to ultraviolet rain erosion, the device comprising: a clamping frame, a clamping plate provided on the surface of the clamping frame, a fastening rod provided above the clamping plate, a rain simulator provided directly above the clamping frame, and ultraviolet lamps provided on both sides of the rain simulator;
[0007] The detection box is provided with a water tank on one side of the detection box, the water tank is connected to the detection box through a water pipe, and a control box is provided on the other side of the detection box.
[0008] Preferably, a sliding groove is provided on the side of the clamping frame, a pressure plate is clamped in one end of the sliding groove, and a clamping plate is clamped in the other end of the sliding groove. The clamping plate and the pressure plate are connected by a supporting spring. Two sets of fixed plates are provided on both sides of the inner wall of the detection box, and the clamping frame can move between the fixed plates.
[0009] Preferably, the fastening rod is externally threaded with a fixed threaded tube, the fixed threaded tube is installed on the surface of the fixed plate, the fastening rod can pass through the fixed plate, and a gasket is provided at one end of the fastening rod, which can fit with the surface of the pressure plate.
[0010] Preferably, a water pipe is connected above the rainwater simulator, a water pump is installed at one end of the water pipe, the water pump is connected to the water tank, and a drainage frame is provided below the rainwater simulator.
[0011] Preferably, a circular hole is provided at the bottom of the drainage frame, a drainage pipe is provided in the circular hole, a hole is provided at the bottom of the rear side of the detection box, a drainage pipe is provided in the hole, and the surface of the drainage frame is fixedly connected to the bottom of the fixed plate.
[0012] Preferably, the detection box is in a rectangular parallelepiped structure as a whole, a revolving door is installed on the side of the detection box, a magnetic block is installed on the side of the revolving door, and a magnetic groove is opened on the side of the detection box.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The device for detecting the UV rain erosion resistance of TPU film proposed by the present invention can, when in use, pull out the clamping frame as a whole from the detection box, then clamp the TPU film between the clamping plate and the surface of the clamping frame, and then place the clamping frame as a whole in the detection box, and fix the TPU film as a whole in the detection box by rotating the fastening rod. Then the operator controls the rain simulator and the ultraviolet lamp in the detection box through the operation control box to detect the TPU film. After the detection is completed, the clamping frame can be pulled out as a whole to observe the experimental results, avoiding the situation where the TPU film needs to be disassembled after the test is completed, which may cause damage to the film and affect the test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a complete schematic diagram of the installation of the utility model structure;
[0017] Figure 3 This is a schematic diagram of the overall structure of the structural detection device of the utility model;
[0018] Figure 4This is a bottom view of the overall structure of the structural detection device of the utility model;
[0019] Figure 5 This is a schematic diagram of the overall structure of the structural clamping plate of the utility model.
[0020] In the figure: 1. Clamping frame; 2. Clamping plate; 3. Fastening rod; 4. Rain simulator; 5. UV lamp;
[0021] 6. Detection box; 7. Water tank; 8. Water pipe; 9. Control box; 10. Pressure plate; 11. Support spring;
[0022] 12. Fixed threaded pipe; 13. Fixed plate; 14. Water pump; 15. Drain frame; 16. Drain pipe; 17. Revolving door; 18. Magnetic block. DETAILED DESCRIPTION
[0023] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit 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: Please refer to Figure 1-Figure 5 The utility model provides a technical solution: a device for detecting the resistance of TPU film to ultraviolet rain erosion, the device comprising: a clamping frame 1, a clamping plate 2 provided on the surface of the clamping frame 1, a fastening rod 3 provided above the clamping plate 2, a rain simulator 4 provided directly above the clamping frame 1, and ultraviolet lamps 5 provided on both sides of the rain simulator 4;
[0025] A detection box 6 is provided with a water tank 7 on one side of the detection box 6, and the water tank 7 is connected to the detection box 6 through a water pipe 8. A control box 9 is provided on the other side of the detection box 6;
[0026] During use, the clamping frame 1 can be pulled out of the test box 6 as a whole, and then the TPU film can be clamped between the clamping plate 2 and the surface of the clamping frame 1, and then the clamping frame 1 can be placed in the test box 6 as a whole, and the TPU film can be fixed in the test box 6 as a whole by rotating the fastening rod 3. Then the operator controls the rain simulator 4 and the ultraviolet lamp 5 in the test box 6 through the operation control box 9 to test the TPU film. After the test is completed, the clamping frame 1 can be pulled out as a whole to observe the experimental results, avoiding the need to disassemble the TPU film after the test is completed, which may cause damage to the film and affect the test accuracy.
[0027] Example 2: On the basis of Example 1, in order to facilitate the fixing of the TPU film by the detection device, a clamping frame 1 is provided. A slide groove is provided on the side of the clamping frame 1. A pressure plate 10 is inserted into one end of the slide groove, and a clamping plate 2 is inserted into the other end of the slide groove. The clamping plate 2 and the pressure plate 10 are connected by a support spring 11. Two sets of fixing plates 13 are provided on both sides of the inner wall of the detection box 6. The clamping frame 1 can be moved between the fixing plates 13. At the beginning of the detection, the operator needs to first take out the clamping frame 1 as a whole from the detection box 6, then pull the clamping plate 2 upwards, and then clamp the TPU film between the clamping frame 1 and the clamping plate 2. , thereby performing preliminary fixation of the TPU film; the fastening rod 3 is externally screwed with a fixed threaded tube 12, and the fixed threaded tube 12 is installed on the surface of the fixed plate 13, the fastening rod 3 can pass through the fixed plate 13, and a gasket is provided at one end of the fastening rod 3, and the gasket can fit with the surface of the pressure plate 10; after completing the preliminary fixation of the TPU film, the clamping frame 1 is clamped as a whole between the fixed plates 13, and the fastening rod 3 is rotated so that one end of the fastening rod 3 applies downward pressure to the pressure plate 10, and the support spring 11 between the pressure plate 10 and the clamping plate 2 is used to make the clamping plate 2 fix the TPU film between it and the clamping frame 1 for a second time.
[0028] Example 3: On the basis of Example 2, in order to make the film detection environment meet the requirements, a rain simulator 4 is provided, a water pipe 8 is connected to the top of the rain simulator 4, a water pump 14 is installed at one end of the water pipe 8, the water pump 14 is connected to the water tank 7, and a drainage frame 15 is provided below the rain simulator 4; the detection box 6 is a rectangular parallelepiped structure as a whole, a revolving door 17 is installed on the side of the detection box 6, a magnetic block 18 is installed on the side of the revolving door 17, and a magnetic groove is opened on the side of the detection box 6; when the detection is carried out, the detection box 6 is pulled by the magnetic attraction between the magnetic block 18 on one side of the revolving door 17 and the magnetic groove of the detection box 6. 6 operation ports are closed to avoid external interference in detection. The rain simulator 4 and the ultraviolet lamp 5 on the upper end of the TPU film are controlled by the control box 9. The water pump 14 connected to one end of the rain simulator 4 draws water into the water tank 7 to provide conditions for the rain simulator 4 to simulate rain. A circular hole is provided at the bottom of the drainage frame 15, and a drainage pipe 16 is provided in the circular hole. A hole is provided at the bottom of the rear side of the detection box 6, and a drainage pipe 16 is provided in the hole. The surface of the drainage frame 15 is fixedly connected to the bottom of the fixed plate 13. During the simulated rain detection, the water generated by the detection is discharged from the detection box 6 through the drainage pipe 16 through the drainage frame 15.
[0029] During actual use, the clamping frame 1 can be pulled out of the test box 6 as a whole, and then the TPU film can be clamped between the clamping plate 2 and the surface of the clamping frame 1, and then the clamping frame 1 can be placed in the test box 6 as a whole, and the TPU film can be fixed in the test box 6 as a whole by rotating the fastening rod 3. Then the operator controls the rain simulator 4 and the ultraviolet lamp 5 in the test box 6 through the operation control box 9 to test the TPU film. After the test is completed, the clamping frame 1 can be pulled out as a whole to observe the experimental results, avoiding the need to disassemble the TPU film after the test is completed, which may cause damage to the film and affect the test accuracy.
[0030] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for detecting the UV erosion resistance of a TPU film, characterized in that: The device for detecting the ultraviolet rain erosion resistance of a TPU film comprises: a clamping frame (1), a clamping plate (2) provided on the surface of the clamping frame (1), a fastening rod (3) provided above the clamping plate (2), a rain simulator (4) provided directly above the clamping frame (1), and ultraviolet lamps (5) provided on both sides of the rain simulator (4); A detection box (6) is provided on one side of the detection box (6), and a water tank (7) is connected to the detection box (6) through a water pipe (8). A control box (9) is provided on the other side of the detection box (6).
2. The device for detecting the UV erosion resistance of a TPU film according to claim 1, characterized in that: The side of the clamping frame (1) is provided with a slide groove, a pressure plate (10) is clamped in one end of the slide groove, and a clamping plate (2) is clamped in the other end of the slide groove. The clamping plate (2) and the pressure plate (10) are connected by a support spring (11). Two sets of fixed plates (13) are provided on both sides of the inner wall of the detection box (6), and the clamping frame (1) can move between the fixed plates (13).
3. The device for detecting the UV erosion resistance of a TPU film according to claim 1, wherein: The fastening rod (3) is externally threaded with a fixed threaded tube (12), which is mounted on the surface of a fixed plate (13). The fastening rod (3) can pass through the fixed plate (13). A gasket is provided at one end of the fastening rod (3), which can fit the surface of the pressure plate (10).
4. The device for detecting the UV erosion resistance of a TPU film according to claim 1, wherein: A water pipe (8) is connected above the rainwater simulator (4), a water pump (14) is installed at one end of the water pipe (8), and the water pump (14) is connected to the water tank (7). A drainage frame (15) is provided below the rainwater simulator (4).
5. The device for detecting the UV erosion resistance of a TPU film according to claim 4, characterized in that: A circular hole is provided at the bottom of the drainage frame (15), a drainage pipe (16) is provided in the circular hole, a hole is provided at the bottom of the rear side of the detection box (6), a drainage pipe (16) is provided in the hole, and the surface of the drainage frame (15) is fixedly connected to the bottom of the fixing plate (13).
6. The device for detecting the UV erosion resistance of a TPU film according to claim 1, characterized in that: The detection box (6) is in the form of a rectangular parallelepiped structure as a whole. A revolving door (17) is installed on the side of the detection box (6). A magnetic attraction block (18) is installed on the side of the revolving door (17). A magnetic attraction groove is provided on the side of the detection box (6).