Soft specimen support for horizontal and vertical combustion testers

UL94 is an experiment for plastic materials to be subjected to horizontal and vertical flame impact to determine the flame retardant grade of the material. Among them, there is a need to make a support frame for soft samples (samples that cannot support themselves in a horizontal state). According to Fig. 1, the supporting frame (1) disclosed in the prior art is made according to the suggestion of the national standard GB/T2408-2008. The supporting frame is placed on the wire mesh frame (2), and the sample (3) is One end is clamped by a horizontal clamp (4), and the function of supporting the sample and avoiding the burning position is realized by adjusting the position manually. After the sample is clamped, the soft sample is supported by the support frame, and a distance is reserved at the exposed end of the sample for flame impact, and the support frame is moved to the left with the flame propagation speed to avoid the burning point until the end of the test. The existing support frame has the following shortcomings: 1. During the experiment, the operator needs to manually reach into the test box to adjust the relative position of the sample and the support frame, which is inconvenient in the operation process. 2. The soft sample support frame is made of stainless steel with good thermal conductivity. When the sample burns, it will conduct heat to the support frame, and the operator cannot directly touch it with his hands. 3. When the support frame is moved manually, it will affect the clamping position of the soft sample and affect the accuracy of the test results. Contents of the utility model In order to solve the above-mentioned technical problems, the utility model provides a soft sample support frame of a horizontal and vertical combustion tester, so as to achieve that the relative position of the sample and the support frame does not need to be adjusted during the experimental process, and the experimental operation process is simplified. And to ensure the purpose of experimental accuracy. In order to achieve the above object, the technical scheme of the present utility model is as follows: a soft sample support frame of a horizontal and vertical combustion tester, comprising a frame-shaped support frame main body hollowed out in the middle, and the two long sides of the support frame main body are parallel to each other. Correspondingly, there are grooves, and the grooves are interlaced with high-temperature alloy wires. Preferably, the main body of the support frame is made of stainless steel plate. Preferably, the thickness of the main body of the support frame is 1 mm. Through the above technical solution, the soft sample support frame of a horizontal and vertical combustion tester provided by the present invention is clamped together with the sample, and the sample is carried by the high temperature resistant alloy wire which is intertwined and wound into a mesh, and no need for testing during the experiment. Adjusting the relative positions of the sample and the utility model can simplify the experimental operation process and ensure the experimental accuracy. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings that are required to describe the embodiments or the prior art. Fig. 1 is the use state schematic diagram of the support frame disclosed in the prior art; Fig. 2 is the structure diagram of the soft sample support frame of a kind of horizontal and vertical combustion tester disclosed by the utility model embodiment; Fig. 3 It is a schematic diagram of a use state of a soft sample support frame of a horizontal and vertical combustion tester disclosed in an embodiment of the present utility model. The names of the corresponding parts indicated by the numbers in the figure: 1, support frame 2, wire mesh frame 3, sample 4, horizontal fixture 5, support frame main body 6, groove 7, high temperature resistant alloy wire. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The utility model provides a soft sample support frame of a horizontal and vertical combustion tester, comprising a frame-shaped support frame main body (5) hollowed out in the middle, the support frame main body is made of stainless steel plate, and the thickness is 1 millimeter, and the support frame main body is mutually The two parallel long sides are correspondingly provided with grooves (6), the grooves are interlaced with high-temperature alloy wires (7), and the interlaced high-temperature alloy wires are formed at the hollow of the support frame body to support the sample network structure. In order to prevent the main body of the support frame from blocking the flame, the side frame of the main body of the support frame away from the horizontal fixture is narrower, and the width is 1 mm. During the experiment, the sample (3) is placed on the high temperature resistant alloy wire, and then the sample and the main body of the support frame are clamped to the horizontal fixture (4) for testing. The middle of the main body of the support frame has been emptied, and the sample is supported by extremely fine high temperature alloy wire, which will not block the flame during combustion, and the relative position of the sample and the utility model does not need to be adjusted during the experiment, so there is no need to worry It will affect the clamping position of the sample and help to ensure the accuracy of the experiment. The soft sample support frame of a horizontal and vertical combustion tester provided by the utility model is clamped together with the sample, and the sample is carried by the high temperature-resistant alloy wire which is intertwined and wound into a mesh, and there is no need to adjust the sample and the current during the experiment. The relative position of the utility model can simplify the experimental operation process and ensure the experimental accuracy. The above description of the disclosed embodiment of the soft sample support frame of the horizontal and vertical combustion tester enables those skilled in the art to realize or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein can be applied without departing from the spirit or scope of the present invention.implemented in other embodiments. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
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