Device for testing puncture resistance of plastic film

Abstract

The utility model belongs to the field of puncture resistance of plastic films, and relates to a puncture resistance testing device of a plastic film, which comprises a bottom plate, an L-shaped support frame fixedly connected to the rear side of the upper part of the bottom plate, an electric cylinder fixedly connected to the upper part of the L-shaped support frame, a puncture testing device body fixedly connected to an output shaft of the electric cylinder, and a moving assembly arranged on the upper part of the bottom plate, a moving assembly is arranged on the base plate, a positioning assembly is arranged on the moving assembly, an environment adjusting device is fixedly connected to the upper portion of the base plate, the moving assembly comprises a moving box, the lower portion of the moving box is fixedly connected with the upper portion of the base plate, and a lead screw is movably connected to the front side of an inner cavity of the moving box through a rotating pair. When the equipment is used, the position of a plastic film can be randomly adjusted, so that multiple positions of the plastic film can be tested, and when the equipment is used for testing the plastic film, the plastic film can be positioned.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of plastic film's anti -puncture, relates to the testing arrangement of plastic film's anti -puncture. BACKGROUND

[0002] The anti -puncture function of plastic film is mainly to protect the packaged goods from external damage and pollution, while enhancing the durability and service life of plastic film. The high strength and toughness of plastic film enable it to maintain excellent performance in harsh environments, which greatly enhances its durability and service life. For example, in the construction industry, it is used to make waterproof membranes and thermal insulation layers, which effectively prevent water penetration and heat transfer, thereby improving the thermal insulation effect and durability of buildings.

[0003] The existing publication No. CN212693429U provides a film puncture device suitable for tensile testing machine, which comprises a steel needle unit, an upper pressure disc and a lower pressure disc arranged coaxially from top to bottom. The steel needle unit is of one-piece structure, comprising a connecting head, a taper section and a puncture needle arranged coaxially from top to bottom. The end of the puncture needle is a hemispherical end face. The upper pressure disc comprises an upper pressure disc body, an annular groove and a circular hole. Two first bolt through holes are provided on the upper pressure disc body. The lower pressure disc comprises a lower pressure disc body, an annular boss and a circular groove. Two second bolt through holes corresponding to the first bolt through holes are provided on the lower pressure disc body. The annular boss can be tightly fitted and installed in the annular groove. The utility model can test the anti -puncture performance of plastic film, and has the advantages of simple structure, easy processing, strong applicability and accurate and reliable test data.

[0004] The above technical solution is simple in structure, easy to process, strong in applicability and accurate and reliable in test data, but after positioning the plastic film to be detected, it is inconvenient to adjust the position of the fixing assembly, so it can only test one position. Utility model content

[0005] The utility model solves the technical problems of overcoming the deficiencies of the prior art and providing a testing device for the anti -puncture of plastic film

[0006] The utility model discloses a bottom plate, and the rear side of the upper part of bottom plate is fixedly connected with L type support frame, and the upper part of L type support frame is fixedly connected with electric cylinder, and the output shaft of electric cylinder is fixedly connected with puncture testing device body, and the upper part of bottom plate is provided with moving assembly, and moving assembly is provided with positioning assembly, and the upper part of bottom plate is fixedly connected with environmental regulation device, and moving assembly and positioning assembly are all arranged in environmental regulation device.

[0007] The moving assembly comprises a moving box, the lower part of the moving box is fixedly connected with the upper part of the bottom plate, the front side of the inner cavity of the moving box is movably connected with a lead screw through a rotary pair, the front side of the lead screw penetrates through the moving box, and the front side of the moving box is fixedly connected with a rotating wheel.

[0008] The positioning assembly comprises a fixed ring, the front and rear sides of the lower part of the fixed ring are fixedly connected with moving blocks respectively, the moving blocks are screw-connected with the front and rear sides of the surface of the lead screw, the moving blocks are slidably connected with the inner wall of the moving box, the upper part of the fixed ring is fixedly connected with a supporting rod, and the upper part of the supporting rod is fixedly connected with a pressing ring.

[0009] The upper part of the pressing ring is movably provided with an upper pressing ring, the two sides of the upper pressing ring are fixedly connected with guide blocks respectively, the inner cavities of the guide blocks are slidably connected with guide rods, the lower parts of the guide rods are fixedly connected with fixed blocks, the fixed blocks are fixedly connected with the fixed ring respectively, the surface of the guide rod is sleeved with a pressure spring, the lower part of the pressure spring is fixedly connected with the upper part of the guide block, and the upper part of the guide rod is fixedly connected with a limiting ring.

[0010] The lower part of the limiting ring is fixedly connected with the upper part of the pressure spring, and the two sides of the upper part of the upper pressing ring are fixedly connected with handles respectively.

[0011] The two sides of the fixed ring are fixedly connected with guide frames respectively, the guide frames are slidably connected with guide strips respectively, and the guide strips are fixedly connected with the moving box.

[0012] When the anti-piercing property of the plastic film to be detected needs to be tested, the handle is pulled by the worker, the upper pressing ring is moved by the handle, the pressure spring is compressed when the upper pressing ring moves, the plastic film to be detected is placed on the upper part of the pressing ring by the worker, the handle is loosened by the worker, the plastic film is fixed by the rebound of the pressure spring driving the guide block to move the upper pressing ring, the rotating wheel is rotated by the worker, the lead screw is rotated by the rotating wheel, the moving block is moved when the lead screw rotates, the positioning assembly is moved into the inside of the environmental adjusting device as a whole by the moving block, the environment of the plastic film is adjusted by the environmental adjusting device, different environments used by the outside world are simulated, the electric cylinder is started, the body of the piercing test device is moved by the electric cylinder, the piercing test of the plastic film is carried out by the body of the piercing test device, and the environmental adjusting device is an environmental test box system in the prior art for simulating different temperatures of the outside world.

[0013] Compared with the prior art, the device has the advantages that:

[0014] The device can randomly adjust the position of the plastic film, so that the multiple positions of the plastic film can be tested, and the device can also position the plastic film when testing the plastic film. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a whole structure schematic view of one embodiment of the utility model,

[0016] Fig. 2 is a rear view structure schematic view of one embodiment of the utility model,

[0017] Fig. 3 is an exploded structure schematic view of one embodiment of the utility model,

[0018] Fig. 4 is a limiting ring structure schematic view of one embodiment of the utility model.

[0019] In the drawing: 1, bottom plate;2, L type support frame;3, electric cylinder;4, puncture test device body;5, environmental regulation device;6, moving box;7, screw;8, rotating wheel;9, fixed ring;10, moving block;11, support rod;12, lower pressing ring;13, upper pressing ring;14, guide block;15, guide rod;16, fixed block;17, pressure spring;18, limiting ring;19, handle;20, guide frame;21, guide strip. Specific implementation

[0020] Example 1

[0021] As Figs. 1-4As shown, including the base plate 1, the rear side of the upper part of the base plate 1 is fixedly connected with L type support frame 2, the upper part of L type support frame 2 is fixedly connected with electric cylinder 3, the output shaft of electric cylinder 3 is fixedly connected with puncture test device body 4, the upper part of base plate 1 is provided with moving assembly, moving assembly is provided with positioning assembly, the upper part of base plate 1 is fixedly connected with environmental regulation device 5, moving assembly includes moving box 6, the lower part of moving box 6 is fixedly connected with the upper part of base plate 1, the front side of the inner chamber of moving box 6 is movably connected with lead screw 7 through rotary pair, the front side of lead screw 7 passes through moving box 6, the front side of moving box 6 is fixedly connected with rotating wheel 8;Positioning assembly includes fixed ring 9, the front and rear sides of the lower part of fixed ring 9 are fixedly connected with moving block 10 respectively, moving block 10 is screw connected with the front and rear sides of the surface of lead screw 7, moving block 10 is slidably connected with the inner wall of moving box 6, the upper part of fixed ring 9 is fixedly connected with support rod 11, the upper part of support rod 11 is fixedly connected with lower pressing ring 12;Lower pressing ring is movably provided with upper pressing ring 13 on the upper part, upper pressing ring 13 is fixedly connected with guide block 14 on the two sides respectively, guide block 14 inner chamber is slidably connected with guide rod 15, guide rod 15 lower part is fixedly connected with fixed block 16, each fixed block 16 is fixedly connected with fixed ring 9 respectively, guide rod 15 surface is provided with pressure spring 17, the lower part of pressure spring 17 is fixedly connected with the upper part of guide block 14, the upper part of guide rod 15 is fixedly connected with limit ring 18;The lower part of limit ring 18 is fixedly connected with the upper part of pressure spring 17, the upper part of upper pressing ring 13 is fixedly connected with handle 19 on the two sides respectively;Fixed ring 9 is fixedly connected with guide frame 20 on the two sides respectively, each guide frame 20 is slidably connected with guide strip 21 respectively, each guide strip 21 is fixedly connected with moving box 6 respectively.

[0022] When it is needed to detect the puncture of plastic film, the environmental regulation device 5 is started to adjust the environment of the plastic film, so that different environments used by the outside world can be simulated, when it is needed to test the puncture resistance of the plastic film, the handle 19 is pulled by the worker, and then the upper pressing ring 13 is moved by the handle 19, the pressure spring 17 is compressed when the upper pressing ring 13 moves, the plastic film to be detected is placed on the upper part of the lower pressing ring 12 by the worker, the handle 19 is released by the worker, the plastic film is fixed by the rebound driving of the pressure spring 17, the upper pressing ring 13 is moved by the guide block 14, the rotating wheel 8 is rotated by the worker, the rotating wheel 8 drives the lead screw 7 to rotate, the moving block 10 is moved when the lead screw 7 rotates, the positioning assembly is moved to the inside of the environmental regulation device 5 by the moving block 10, the electric cylinder 3 is started, the puncture test device body 4 is driven to move by the electric cylinder 3, and the puncture test device body 4 is used to test the puncture of the plastic film.

[0023] In the utility model, the description of structure direction and relative position relation, such as before and after, left and right, up and down, does not constitute the limitation to the utility model, and is only convenient for description.

Claims

1. A device for testing the puncture resistance of a plastic film, characterized by: The utility model relates to a puncture test device body (4) is fixedly connected on the output shaft of electric cylinder (3), L type support frame (2) is fixedly connected on the bottom plate (1), and the L type support frame (2) is fixedly connected with electric cylinder (3), and the bottom plate (1) upper portion is provided with mobile assembly, and mobile assembly is provided with positioning assembly, the bottom plate (1) upper portion is fixedly connected with environmental regulation device (5), and mobile assembly and positioning assembly are all arranged in environmental regulation device (5).

2. The device for testing the puncture resistance of a plastic film according to claim 1, characterized in that: The mobile assembly includes a mobile box (6) fixed to the bottom plate (1), a lead screw (7) rotatably connected in the mobile box (6), and a rotating wheel (8) fixedly connected to the front end of the lead screw (7) and penetrating through the mobile box (6).

3. The apparatus for testing the puncture resistance of a plastic film according to claim 2, wherein: The positioning assembly includes a fixed ring (9), a moving block (10) fixedly connected to the lower part of the fixed ring (9), the moving block (10) threadedly connected with the lead screw (7), a support rod (11) fixedly connected to the upper part of the fixed ring (9), a lower pressing ring (12) fixedly connected to the upper part of the support rod (11), and an upper pressing ring (13) movably arranged on the upper part of the lower pressing ring (12).

4. The device for testing the puncture resistance of a plastic film according to claim 3, characterized in that: The upper pressing ring (13) is fixedly connected with a guide block (14) on each side, a guide rod (15) slidably connected in the guide block (14), the guide rod (15) fixedly connected with the fixed ring (9) through a fixed block (16), a compression spring (17) sleeved on the surface of the guide rod (15), the lower end of the compression spring (17) fixedly connected with the upper part of the guide block (14), a limiting ring (18) fixedly connected to the top of the guide rod (15), and the lower part of the limiting ring (18) fixedly connected with the upper part of the compression spring (17).

5. The apparatus for testing the puncture resistance of a plastic film according to claim 4, wherein: The upper pressing ring (13) is fixedly connected with a handle (19).

6. The apparatus for testing the puncture resistance of a plastic film according to claim 5, wherein: The fixed ring (9) is fixedly connected with a guide frame (20) on each side, each guide frame (20) slidably connected with a guide strip (21), and each guide strip (21) fixedly connected with the mobile box (6).

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