Tension testing device for PVC decorative film

Abstract

The utility model discloses a PVC decorative film tension testing device, and specifically relates to the tension testing device technology field, the PVC decorative film tension testing device comprises a testing cabinet, a hydraulic cylinder and a force measuring sensor, two ends of the testing cabinet are respectively provided with an extension assembly, and the extension assembly comprises a side ring, an adjusting bench, an adjusting bolt, an extension rod, a connecting bench and a second clamping bench. Through the arrangement of the side ring and the extension rod, a decorative film is fixed on the inner sides of the first clamping table and the second clamping table for test processing during use, if the decorative film is longer, the position of the second clamping table can be adjusted, during adjustment, the adjusting bolt on the outer side of the side ring is screwed to be loose, and after the extension rod is loosened, the decorative film is fixed on the first clamping table and the second clamping table. The extension rod can move on the inner side of the side ring, so that the position of the second clamping table can be adjusted, the distance between the second clamping table and the first clamping table is adjusted, the PVC decorative film tension testing device adapts to test processing of decorative films with different lengths, and the adaptability of the PVC decorative film tension testing device in use is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of tension testing devices, in particular to a tension testing device for a PVC decorative film. Background Art

[0002] The main component of PVC decorative film is polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness, ductility, etc. The top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. It can be compounded with wood, plastic board, aluminum board, iron board and other substrates to make multi-purpose decorative materials. It is widely used in household appliances, audio surface decoration, interior decoration, aircraft, ships, train interior decoration, in addition, it can also be used for billboards, etc. This device is a PVC decorative film tensile test device;

[0003] When the PVC decorative film tensile test device is used, the test stroke is limited, which is not convenient for testing PVC decorative films of different lengths;

[0004] Therefore, a PVC decorative film tensile testing device is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a PVC decorative film tensile test device to solve the problem that the PVC decorative film tensile test device proposed in the above background technology is inconvenient to adjust the test stroke.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVC decorative film tensile testing device, comprising a testing cabinet, a hydraulic cylinder and a force sensor, a positioning platform is installed on the inner side wall of the testing cabinet, a hydraulic cylinder is installed on the left side of the positioning platform, a force sensor is installed on the right side of the hydraulic cylinder, a connecting rod is installed on the right side of the force sensor, a first clamping platform is installed on the right side of the connecting rod, a supporting plate is installed on the bottom end of the right side of the positioning platform, extension components are provided at both ends of the testing cabinet, the extension components include side rings, an adjusting platform, an adjusting bolt, an extension rod, a connecting platform and a second clamping platform, side rings are installed on the right sides of both ends of the testing cabinet, an adjusting platform is fixed at the rear end of the side ring, an adjusting bolt is provided inside the adjusting platform, the front end of the adjusting bolt extends to the inside of the side ring, an extension rod is provided inside the side ring, a connecting platform is installed on the right side of the extension rod, and a second clamping platform is installed on the inner side of the connecting platform.

[0007] Furthermore, two groups of support plates are installed at the bottom end of the right side of the positioning platform, and the two groups of support plates are distributed in parallel.

[0008] Furthermore, two groups of the adjustment platforms are fixed at the rear end of the side ring, and the two groups of the adjustment platforms are symmetrically distributed.

[0009] Furthermore, winding rollers are movably installed on the inner sides of the first clamping platform and the second clamping platform, fixed platforms are fixed on the left side of the first clamping platform and the right side of the second clamping platform, fixing bolts are arranged inside the fixed platforms, a pressure plate is movably installed on the right side of the fixing bolt, and a friction pad is installed on the surface of the pressure plate.

[0010] Preferably, the surfaces of the first clamping platform and the winding roller are both provided with guide holes, the guide holes are provided with guide rods inside, and the right side of the guide rod is fixedly connected to the surface of the pressure plate.

[0011] Furthermore, a slide bar is installed at the bottom end of the inner wall of the test cabinet, and a moving ring is arranged on the outer side of the slide bar.

[0012] Preferably, a locking platform is fixed on the right side of the moving ring, a locking bolt is arranged inside the locking platform, and the left side of the locking bolt extends to the inside of the moving ring.

[0013] Preferably, a mounting platform is fixed to the top of the movable ring, and a camera module is installed on the top of the mounting platform.

[0014] Compared with the prior art, the utility model has the following beneficial effects: by providing the side ring and the extension rod, when in use, the decorative film is fixed on the inner side of the first clamping platform and the second clamping platform for testing. If the decorative film is long, the position of the second clamping platform can be adjusted. When adjusting, the adjustment bolt on the outer side of the side ring is first screwed to loosen, and after the extension rod is released, the extension rod can be moved inside the side ring, so that the position of the second clamping platform can be adjusted, and the distance between the second clamping platform and the first clamping platform can be adjusted, so as to adapt to the testing of decorative films of different lengths, thereby enhancing the adaptability of the PVC decorative film tensile test device when in use;

[0015] By providing a winding roller and a pressing plate, when fixing the decorative film, the side end position of the decorative film is first fixed on the surface of the winding roller, and the winding roller can be rotated to roll up a part of the decorative film, and then the outer fixing bolt can be rotated to push the inner pressing plate to press on the surface of the winding roller, and the decorative film rolled up on the surface of the winding roller can be fixed. The fixing part is a thickened decorative film for rolling up, which can prevent the decorative film fixing part from being torn during the test and affecting the test, thereby enhancing the stability of the fixing part of the PVC decorative film tensile test device;

[0016] A camera module is provided, which is located inside the test cabinet and, when in use, is located at the bottom side of the test decorative film. With the help of the camera module, the process of the decorative film test can be photographed, and the photographed images can be used to assist test personnel in subsequent observation and processing, thereby realizing auxiliary shooting and recording when the PVC decorative film tensile test device is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the side ring of the utility model in a top view;

[0020] Figure 4 It is a schematic diagram of a top-view cross-sectional structure of a first clamping platform of the utility model;

[0021] Figure 5 It is a schematic diagram of the front cross-sectional structure of the movable ring of the utility model.

[0022] In the figure: 1. test cabinet; 2. positioning table; 3. hydraulic cylinder; 4. force sensor; 5. connecting rod; 6. first clamping table; 7. support plate; 8. side ring; 9. adjustment table; 10. adjustment bolt; 11. extension rod; 12. connecting table; 13. second clamping table; 14. winding roller; 15. fixing table; 16. fixing bolt; 17. pressure plate; 18. friction pad; 19. guide hole; 20. guide rod; 21. sliding rod; 22. moving ring; 23. locking table; 24. locking bolt; 25. mounting table; 26. camera module. DETAILED DESCRIPTION

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

[0024] See also Figure 1-5The utility model provides an embodiment: a PVC decorative film tensile test device, including a test cabinet 1, a hydraulic cylinder 3 and a force sensor 4, a positioning platform 2 is installed on the inner wall of the test cabinet 1, a hydraulic cylinder 3 is installed on the left side of the positioning platform 2, a force sensor 4 is installed on the right side of the hydraulic cylinder 3, a connecting rod 5 is installed on the right side of the force sensor 4, a first clamping platform 6 is installed on the right side of the connecting rod 5, a support plate 7 is installed on the bottom end of the right side of the positioning platform 2, two groups of support plates 7 are installed at the bottom end of the right side of the positioning platform 2, and the two groups of support plates 7 are distributed in parallel, and both ends of the test cabinet 1 are set There is an extension component, which includes a side ring 8, an adjustment platform 9, an adjustment bolt 10, an extension rod 11, a connecting platform 12 and a second clamping platform 13. Side rings 8 are installed on the right side of both ends of the test cabinet 1. The rear end of the side ring 8 is fixed with an adjustment platform 9. Two groups of adjustment platforms 9 are fixed at the rear end of the side ring 8. The two groups of adjustment platforms 9 are symmetrically distributed. The inside of the adjustment platform 9 is provided with an adjustment bolt 10. The front end of the adjustment bolt 10 extends to the inside of the side ring 8. The inside of the side ring 8 is provided with an extension rod 11. The right side of the extension rod 11 is provided with a connecting platform 12, and the inner side of the connecting platform 12 is provided with a second clamping platform 13;

[0025] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when in use, after laying the decorative film between the first clamping platform 6 and the second clamping platform 13, the adjusting bolt 10 on the outer side of the side ring 8 can be loosened, and after loosening, the extension rod 11 on the inner side of the side ring 8 can be moved to adjust the position of the second clamping platform 13, until the decorative film on the inner side is unfolded, the adjusting bolt 10 can be tightened again to fix the position of the second clamping platform 13;

[0026] A winding roller 14 is movably mounted on the inner side of the first clamping platform 6 and the second clamping platform 13, a fixing platform 15 is fixed on the left side of the first clamping platform 6 and the right side of the second clamping platform 13, a fixing bolt 16 is arranged inside the fixing platform 15, a pressing plate 17 is movably mounted on the right side of the fixing bolt 16, a friction pad 18 is installed on the surface of the pressing plate 17, a guide hole 19 is arranged on the surface of the first clamping platform 6 and the winding roller 14, a guide rod 20 is arranged inside the guide hole 19, and the right side of the guide rod 20 is fixedly connected to the surface of the pressing plate 17;

[0027] Specifically, Figure 2 and Figure 4 As shown, when in use, first roll up part of the side end of the decorative film on the surface of the winding roller 14, and then rotate the fixing bolt 16, and the fixing bolt 16 drives the front end of the pressing plate 17 to press on the surface of the winding roller 14, so that the decorative film on the surface of the winding roller 14 can be fixed;

[0028] A slide bar 21 is installed at the bottom end of the inner wall of the test cabinet 1, a moving ring 22 is arranged on the outer side of the slide bar 21, a locking platform 23 is fixed on the right side of the moving ring 22, a locking bolt 24 is arranged inside the locking platform 23, and the left side of the locking bolt 24 extends to the inside of the moving ring 22, a mounting platform 25 is fixed on the top of the moving ring 22, and a camera module 26 is installed on the top of the mounting platform 25;

[0029] Specifically, Figure 1 , Figure 2 and Figure 5 As shown, when in use, after the locking bolt 24 at the side end of the movable ring 22 is loosened, the movable ring 22 can move along the slide bar 21, so that the shooting position of the upper camera module 26 can be adjusted. After the adjustment is completed, the locking bolt 24 is tightened to fix the position of the camera module 26.

[0030] Working principle: When in use, first roll up the two end parts of the decorative film to be tested on the surface of the winding roller 14 inside the first clamping platform 6 and the second clamping platform 13, and then rotate the fixing bolt 16. After the fixing bolt 16 drives the front end pressure plate 17 to press on the surface of the winding roller 14, the decorative film on the surface of the winding roller 14 can be fixed. After fixing, the adjusting bolt 10 on the outside of the side ring 8 can be loosened. After loosening the fixation of the extension rod 11, the extension rod 11 can move inside the side ring 8, so that the position of the second clamping platform 13 at the side end can be moved. After the decorative film between the first clamping platform 6 and the second clamping platform 13 is unfolded, the adjusting bolt 10 can be tightened to fix the position of the second clamping platform 13. After that, the hydraulic cylinder 3 can be started to contract, and the decorative film inside is pulled with the help of the first clamping platform 6 to perform a tensile test of the decorative film. During the test, the camera module 26 on the bottom side of the test cabinet 1 can shoot the tested decorative film from below to record the process of the decorative film test.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A PVC decorative film tensile testing device, comprising a testing cabinet (1), a hydraulic cylinder (3) and a force sensor (4), characterized in that: A positioning platform (2) is installed on the inner side wall of the test cabinet (1), a hydraulic cylinder (3) is installed on the left side of the positioning platform (2), a force sensor (4) is installed on the right side of the hydraulic cylinder (3), a connecting rod (5) is installed on the right side of the force sensor (4), a first clamping platform (6) is installed on the right side of the connecting rod (5), a support plate (7) is installed at the bottom end of the right side of the positioning platform (2), and extension components are provided at both ends of the test cabinet (1); The extension assembly comprises a side ring (8), an adjustment platform (9), an adjustment bolt (10), an extension rod (11), a connecting platform (12) and a second clamping platform (13); side rings (8) are installed on the right sides of both ends of the test cabinet (1); the adjustment platform (9) is fixed to the rear end of the side ring (8); the adjustment bolt (10) is arranged inside the adjustment platform (9); the front end of the adjustment bolt (10) extends to the inside of the side ring (8); the extension rod (11) is arranged inside the side ring (8); the connecting platform (12) is installed on the right side of the extension rod (11); and the second clamping platform (13) is installed on the inner side of the connecting platform (12).

2. A PVC decorative film tensile testing device according to claim 1, characterized in that: Two groups of the support plates (7) are installed at the bottom end of the right side of the positioning platform (2), and the two groups of the support plates (7) are distributed in parallel.

3. A PVC decorative film tensile testing device according to claim 1, characterized in that: Two groups of the adjustment platforms (9) are fixed at the rear end of the side ring (8), and the two groups of the adjustment platforms (9) are symmetrically distributed.

4. A PVC decorative film tensile testing device according to claim 1, characterized in that: A winding roller (14) is movably mounted on the inner side of the first clamping platform (6) and the second clamping platform (13); a fixing platform (15) is fixed on the left side of the first clamping platform (6) and the right side of the second clamping platform (13); a fixing bolt (16) is arranged inside the fixing platform (15); a pressure plate (17) is movably mounted on the right side of the fixing bolt (16); and a friction pad (18) is mounted on the surface of the pressure plate (17).

5. A PVC decorative film tensile testing device according to claim 4, characterized in that: The surfaces of the first clamping platform (6) and the winding roller (14) are both provided with guide holes (19), the interior of the guide hole (19) is provided with a guide rod (20), and the right side of the guide rod (20) is fixedly connected to the surface of the pressure plate (17).

6. A PVC decorative film tensile testing device according to claim 1, characterized in that: A sliding rod (21) is installed at the bottom end of the inner wall of the test cabinet (1), and a moving ring (22) is arranged on the outer side of the sliding rod (21).

7. A PVC decorative film tensile testing device according to claim 6, characterized in that: A locking platform (23) is fixed on the right side of the moving ring (22), a locking bolt (24) is arranged inside the locking platform (23), and the left side of the locking bolt (24) extends into the inside of the moving ring (22).

8. A PVC decorative film tensile testing device according to claim 6, characterized in that: A mounting platform (25) is fixed on the top of the movable ring (22), and a camera module (26) is installed on the top of the mounting platform (25).

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