Plastic damp-heat aging inspection device

Abstract

The utility model discloses a plastic damp-heat aging inspection device, which relates to the field of plastic inspection and comprises an inspection box, the inspection box is provided with an inspection cavity, a bearing plate is slidably arranged at the bottom of the inspection cavity, and a bearing assembly is mounted at the top of the bearing plate in a bearing manner; the bearing assembly comprises bearing plates, the number of the bearing plates is two, clamping frames are arranged on the adjacent side edges of the two bearing plates at equal intervals in a protruding mode, a plastic body is installed between the two clamping frames which are symmetrical up and down in an inserted mode, an adjusting assembly is installed at the middle sections of the two bearing plates, and top frames are arranged at the four corners of the top of the upper bearing plate in a protruding mode; inserting columns are arranged at the four corners of the bottom of the lower bearing plate in a protruding mode, and inserting holes are formed in the top frame. According to the utility model, the distance between the two bearing plates can be effectively adjusted according to different sizes of plastic bodies, so that the plastic bodies can be stably fixed, and the conditions of different distances, mutual shielding, interference and the like between samples are avoided as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic inspection, concretely is a plastic damp heat aging test device. BACKGROUND

[0002] Plastic damp heat aging test is an important test for evaluating the durability and performance change of plastic materials under high temperature and high humidity environment. This test simulates the high temperature and high humidity conditions in the actual use environment to accelerate the performance degradation of plastic materials, so as to evaluate the performance degradation of materials within a certain time. The test samples are usually selected from representative plastic materials such as PP ABS PC PC / ABS PA6, and the samples are ensured to have a flat surface and meet the size requirements of the test equipment.

[0003] The existing plastic damp heat aging test device directly places the plastic on the corresponding frame during damp heat detection. Since the size of the frame is mostly fixed and not easy to adjust, it is easy to cause the whole plastic to shake and not be effectively fixed during damp heat aging detection of different sizes of plastic, resulting in different distances between samples, mutual shielding and interference, etc. It is not conducive to subsequent performance testing and analysis, so a plastic damp heat aging test device is needed to assist in solving this problem. SUMMARY

[0004] Therefore, the utility model discloses a plastic damp heat aging test device to solve the technical problem that the existing plastic damp heat aging test device directly places the plastic on the corresponding frame during damp heat detection, since the size of the frame is mostly fixed and not easy to adjust, it is easy to cause the whole plastic to shake and not be effectively fixed during damp heat aging detection of different sizes of plastic, resulting in different distances between samples, mutual shielding and interference, etc. It is not conducive to subsequent performance testing and analysis.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic damp heat aging test device, comprising a test box, the test box is provided with a test cavity, the test cavity bottom is provided with a pressure plate, the pressure plate top is provided with a receiving assembly for plastic body clamping installation;

[0006] The receiving assembly comprises receiving plates, the receiving plates are provided with two groups, a plurality of clamping frames are equidistantly and protrudingly arranged on one side edge of two adjacent receiving plates, a plastic body is insertedly and installed between two clamping frames which are symmetrically arranged in up and down directions, an adjusting assembly for assisting in adjusting the height of the receiving plate is installed at the middle section of two receiving plates, a guiding assembly for assisting in connection is installed on each of the four side edges between two receiving plates, a top frame is protrudingly arranged at the top of the upper receiving plate, an inserting column is protrudingly arranged at the bottom of the lower receiving plate, and an inserting hole for inserting the inserting column is formed in the top frame.

[0007] The adjusting assembly comprises a fixing cylinder and a threaded rod, the threaded rod is installed in the fixing cylinder in a penetrating mode, the fixing cylinder and the threaded rod are threadedly matched, the bottom of the fixing cylinder is fixed at the top of the lower receiving plate, and a knob is fixed at the top of the threaded rod.

[0008] The guiding assembly comprises a guiding cylinder and a guiding rod, the guiding rod is installed on the guiding cylinder in a penetrating mode, the bottom of the guiding cylinder is fixed at the top of the lower receiving plate, and the top of the guiding rod is fixed at the bottom of the upper receiving plate.

[0009] A scale plate is vertically and embeddedly installed on the side edge of the guiding rod, and length scale lines are engraved on the scale plate.

[0010] The inspection box is internally provided with an atomizing device, a through pipe is embeddedly installed on the inner side of the inspection cavity of the inspection box, a plurality of spray holes which are communicated with the inspection cavity are drilled on the through pipe, a water bucket containing liquid is installed at the water inlet of the atomizing device, a protective cover is equidistantly installed in the inspection cavity of the inspection box, and a heating pipe for assisting in heating is installed in the protective cover.

[0011] The front end of the inspection box is hingedly provided with a box door, the outer edges of the side edges of the inspection box and the box door are embeddedly installed with magnet adsorption blocks, and the two magnet adsorption blocks are matched and adsorbed.

[0012] The front end of the inspection box is embeddedly installed with a display screen, and the inspection box is provided with a button below the display screen.

[0013] In conclusion, the utility model mainly has the following beneficial effects: the utility model discloses the cooperation between the receiving assembly installed at the top of the pressure plate and the adjusting assembly on it, synchronous rotation two knobs on the upper receiving plate, the process of knob rotation drives the overall rotation of the threaded rod, the fixed cylinder and the threaded rod are screwed together, thereby the length of the overall adjusting assembly is adjusted, and the distance between the two receiving plates is adjusted, which can effectively adjust the distance between the two receiving plates according to the size of the plastic body during subsequent work, ensure that the plastic body can be stably fixed, and avoid the distance between the samples, mutual shielding and interference and other conditions as much as possible.

[0014] The guiding assembly can ensure that the dead angle of the receiving plate is effectively limited when the height of the receiving plate is adjusted, so that the receiving plate can only move vertically, and the misalignment of the two receiving plates can be avoided as much as possible. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a transverse sectional view of the utility model inspection box;

[0017] Figure 3 It is a structural schematic view of the utility model receiving assembly;

[0018] Figure 4 It is a longitudinal sectional view of the utility model receiving assembly.

[0019] In the drawing: 1, inspection box; 2, box door; 3, magnet adsorption block; 4, display screen; 5, button; 6, water bucket; 7, atomization device; 8, through pipe; 9, spray hole; 10, heating pipe; 101, protective cover; 11, pressure plate; 12, receiving assembly; 13, receiving plate; 14, clamping frame; 15, plastic body; 16, guiding assembly; 161, guiding cylinder; 162, guiding rod; 163, scale plate; 17, adjusting assembly; 171, fixed cylinder; 172, threaded rod; 173, knob; 18, top frame; 19, plug-in column. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used to explain the utility model, and cannot be understood as limiting the utility model.

[0021] A plastic hygrothermal aging inspection device, such as Figure 1 and Figure 2As shown, including the test box 1, the test box 1 is provided with a test cavity, the test cavity bottom is provided with a pressure plate 11, the test box 1 is internally provided with an atomizing device 7, the model of the atomizing device 7 is Omron CN301 atomizer, which can be used but not limited to this model, the test cavity inside the test box 1 is embedded with a guide pipe 8, the guide pipe 8 is provided with a spray hole 9 communicated with the test cavity, the water inlet end of the atomizing device 7 is provided with a water bucket 6 containing liquid, the test cavity inside the test box 1 is provided with a protective cover 101, and the protective cover 101 is internally provided with a heating pipe 10 for auxiliary heating.

[0022] The front section of the test cavity of the test box 1 is provided with a box door 2 through a hinge, the outer edge of the side adjacent to the test box 1 and the box door 2 is embedded with a magnet adsorption block 3, the two magnet adsorption blocks 3 are matched and adsorbed, the front end of the test box 1 is embedded with a display screen 4, and the test box 1 is provided below the display screen 4 with a button 5. The temperature sensor and the humidity sensor are installed inside the test cavity. The model of the temperature sensor is PT-100, which can be used but not limited to this model, the model of the humidity sensor is SHT30, which can be used but not limited to this model, the test box 1 is internally provided with a controller for controlling the temperature and humidity inside the test box 1, the model of the controller is ZT-CTH-80L-S, which can be used but not limited to this model.

[0023] Referring to Figure 1 , Figure 3 and Figure 4 As shown, the test box 1 is provided with a test cavity, the test cavity bottom is provided with a pressure plate 11, the pressure plate 11 top is provided with a receiving assembly 12 for clamping installation of the plastic body 15, the receiving assembly 12 includes a receiving plate 13, the receiving plate 13 is provided with two groups, the side adjacent to the two receiving plates 13 is provided with a plurality of clamping frames 14 at equal intervals, the upper and lower symmetrical two clamping frames 14 are inserted and installed with the plastic body 15, the middle section of the two receiving plates 13 is provided with an adjusting assembly 17 for adjusting the height of the receiving plate 13, the adjusting assembly 17 includes a fixed cylinder 171 and a threaded rod 172, the threaded rod 172 is installed in the fixed cylinder 171, the fixed cylinder 171 and the threaded rod 172 are threadedly matched, the fixed cylinder 171 bottom is fixed on the top of the lower receiving plate 13, the threaded rod 172 top is fixed with a knob 173, and the knob 173 is embedded and installed on the top of the upper receiving plate 13.

[0024] The two knobs 173 on the upper receiving plate 13 are synchronously rotated through the cooperation between the receiving assembly 12 installed at the top of the pressure bearing plate 11 and the adjusting assembly 17 thereon, the knobs 173 drive the threaded rod 172 to rotate as a whole in the process of rotation, the fixed cylinder 171 is in threaded cooperation with the threaded rod 172, so that the length of the whole adjusting assembly 17 is adjusted, and then the distance between the two receiving plates 13 is adjusted, so that the distance between the two receiving plates 13 can be effectively adjusted according to the ground line of the plastic body 15 during subsequent work, and the plastic body 15 can be stably fixed, and the distance between the samples is avoided as much as possible, and the mutual shielding and interference are avoided.

[0025] The auxiliary connecting guide assembly 16 is installed on the four side edges between the two receiving plates 13, the guide assembly 16 comprises a guide cylinder 161 and a guide rod 162, the guide rod 162 is installed in the guide cylinder 161, the guide cylinder 161 is fixed at the top of the lower receiving plate 13, the guide rod 162 is fixed at the bottom of the upper receiving plate 13, and the scale plate 163 is vertically embedded and installed on the side edge of the guide rod 162.

[0026] Through the guide assembly 16, the dead angle of the receiving plate 13 can be effectively limited when the height of the receiving plate 13 is adjusted, so that the receiving plate 13 can only move straight up and down, and the mispositioning of the two receiving plates 13 is avoided as much as possible.

[0027] The top frame 18 is protrudingly arranged at the top of the upper receiving plate 13, the plug-in column 19 is protrudingly arranged at the bottom of the lower receiving plate 13, the insertion hole for the plug-in column 19 is formed in the top frame 18, and the top frame 18 and the plug-in column 19 are matched.

[0028] Working principle of the utility model:

[0029] When it is necessary to adjust the overall size of the receiving assembly 12 according to the overall width of the plastic body 15, the two knobs 173 on the upper receiving plate 13 are synchronously rotated, the knobs 173 drive the threaded rod 172 to rotate as a whole in the process of rotation, the fixed cylinder 171 is in threaded cooperation with the threaded rod 172, so that the length of the whole adjusting assembly 17 is adjusted, and then the distance between the two receiving plates 13 is adjusted, the guide assembly 16 moves along with the movement of the upper receiving plate 13 when the distance between the receiving plates 13 is adjusted, and the distance between the two receiving plates 13 is effectively determined and interpreted through the scale plate 163 on the guide rod 162.

[0030] In work, the plastic body 15 is inserted and installed between the two receiving plates 13, when two groups of receiving assemblies 12 need to be overlapped, the inserted column 19 on one receiving assembly 12 is inserted and installed on the top frame 18 of the other receiving assembly 12, so that the overall connection between the two receiving assemblies 12 is completed.

[0031] In work, the pressure plate 11 is pushed back into the inspection cavity as a whole, the box door 2 is closed on the inspection box 1, and the box door 2 is adsorbed on the inspection box 1 through the magnet adsorption block 3, so that the overall closing process of the inspection box 1 and the box door 2 is completed, the atomizing device 7 is started, the liquid drawn out of the water bucket 6 is atomized through the atomizing device 7, and is sprayed towards the inside of the inspection box 1 through the spray hole 9 on the through pipe 8, so as to increase the overall humidity inside the inspection box 1, the heating pipe 10 is started, the inside of the inspection box 1 is heated by the heating pipe 10, so as to assist the heating process of the inside of the inspection box 1, and ensure that the inside of the inspection cavity of the inspection box 1 keeps the corresponding required humidity and temperature in work.

[0032] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A device for the hygrothermal ageing test of plastics, comprising a test chamber (1), characterised in that: The test box (1) is provided with a test cavity, and a pressure bearing plate (11) is slidably arranged at the bottom of the test cavity; a receiving assembly (12) for clamping a plastic body (15) is arranged on the top of the pressure bearing plate (11). The receiving assembly (12) comprises two receiving plates (13), and a plurality of clamping frames (14) are equidistantly arranged on the adjacent side edges of the two receiving plates (13); a plastic body (15) is arranged between the upper and lower clamping frames (14); an adjusting assembly (17) for adjusting the height of the receiving plate (13) is arranged at the middle section of the two receiving plates (13); guiding assemblies (16) for auxiliary connection are arranged on the four side edges between the two receiving plates (13); a top frame (18) is arranged on the top of the upper receiving plate (13); and a plug-in column (19) is arranged on the bottom of the lower receiving plate (13).

2. The device for testing the hygrothermal aging of plastic according to claim 1, characterized in that: The adjusting assembly (17) comprises a fixed cylinder (171) and a threaded rod (172), the threaded rod (172) is arranged in the fixed cylinder (171), and the fixed cylinder (171) and the threaded rod (172) are threadedly connected; the bottom of the fixed cylinder (171) is fixed to the top of the lower receiving plate (13); and a knob (173) is arranged on the top of the threaded rod (172).

3. The device for testing the hygrothermal aging of plastic according to claim 1, characterized in that: The guiding assembly (16) comprises a guiding cylinder (161) and a guiding rod (162), the guiding rod (162) is arranged in the guiding cylinder (161), and the bottom of the guiding cylinder (161) is fixed to the top of the lower receiving plate (13); and the top of the guiding rod (162) is fixed to the bottom of the upper receiving plate (13).

4. The device for testing the hygrothermal aging of plastics according to claim 3, characterized in that: A scale plate (163) is vertically arranged on the side edge of the guiding rod (162), and a length scale line is arranged on the scale plate (163).

5. The device for testing the hygrothermal aging of plastics according to claim 4, characterized in that: The test box (1) is provided with an atomizing device (7), a guide pipe (8) is arranged on the inner side of the test cavity of the test box (1), a plurality of spray holes (9) are arranged on the guide pipe (8) and communicate with the test cavity, a water bucket (6) containing liquid is arranged on the water inlet end of the atomizing device (7), a protective cover (101) is equidistantly arranged in the test cavity of the test box (1), and a heating pipe (10) for auxiliary heating is arranged in the protective cover (101).

6. The device for testing the hygrothermal aging of plastics according to claim 1, characterized in that: A box door (2) is hingedly arranged at the front end of the test cavity of the test box (1), a magnet adsorption block (3) is arranged on the outer edge of the adjacent side edge of the test box (1) and the box door (2), and the two magnet adsorption blocks (3) are adsorbed.

7. The device for testing the hygrothermal aging of plastics according to claim 1, characterized in that: A display screen (4) is arranged on the front end of the test box (1), and a button (5) is arranged below the display screen (4) of the test box (1).

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