Non-woven fabric flame-retardant testing device

Abstract

The utility model relates to the field of flame-retardant testing devices, in particular to a non-woven fabric flame-retardant testing device which comprises a fixing frame, a testing box, a placing frame, a smoke removing assembly and a filtering assembly, the test box is arranged on the fixing frame, and a sealing door is hinged to one side of the test box; the placing frame is arranged in the test box; the smoke removal assembly is arranged on the test box; the filter assembly is arranged on the smoke removal assembly, the filter assembly comprises a filter mechanism and a mounting mechanism, the filter mechanism comprises a guide pipe and a filter screen, a combustion assembly for igniting the non-woven fabric is arranged in the test box, and the combustion assembly comprises a threaded column, a sliding block and an ignition gun. According to the utility model, an operator can replace the filter screen more easily and quickly, so that the time is saved; the maintenance process is simpler and more convenient, and the equipment shutdown time possibly caused by replacement of the filter screen is shortened, so that the maintenance cost is reduced; and the accuracy and reliability of test data can be ensured by regularly replacing the filter screen.

Description

Technical Field

[0001] The utility model relates to the field of flame retardancy testing devices, in particular to a non-woven fabric flame retardancy testing device. Background Art

[0002] Non-woven fabric is a textile formed by combining fibers through physical, chemical or mechanical methods. Different from traditional woven and knitted fabrics, non-woven fabric does not require fibers to be first spun into yarns and then woven or knitted, but directly starts from fibers and forms fabrics through a series of processes.

[0003] A Chinese patent with the authorization announcement number CN219957490U discloses a testing device for detecting the flame retardancy of plastics, including: a placement box; an absorption tube is fixedly connected to the top of the placement box, one end of the absorption tube is threadedly connected to a treatment tube, the end of the absorption tube away from the treatment tube penetrates into the placement box, a non-woven fabric filter element and an activated carbon filter element are respectively fixedly connected in the pipeline of the treatment tube, one end of the treatment tube is threadedly connected to a collar, one end of the collar is rotatably connected to a connector, one end of the connector is fixedly connected to a hose, one end of the hose is fixedly connected to a fan, a support plate is fixedly connected to the outer wall of the placement box, and the fan is fixedly connected to the top of the support plate. This utility model can filter the toxic gases generated by the test, greatly reducing the harm of the toxic gases from the test to the staff.

[0004] However, this device still has deficiencies: when in use, it is not convenient to replace the filter element, so when used for a long time, to a certain extent, the filtration of harmful gases will be reduced. Summary of the Utility Model

[0005] The purpose of the utility model is to propose a non-woven fabric flame retardancy testing device aiming at the problem that it is not convenient to replace the filter element in the background art.

[0006] The technical solution of the utility model: a non-woven fabric flame retardancy testing device, including:

[0007] A fixing frame;

[0008] A test chamber, which is arranged on the fixing frame;

[0009] A placement frame, which is arranged in the test chamber;

[0010] A smoke removal component, which is arranged on the test chamber;

[0011] And a filtering component, which is arranged on the smoke removal component, and the filtering component includes a filtering mechanism and a mounting mechanism.

[0012] Preferably, a combustion component for igniting the non-woven fabric is arranged in the test chamber.

[0013] Preferably, the combustion assembly includes:

[0014] A threaded column rotatably arranged in the test box;

[0015] A slider slidably arranged on the test box and threadedly connected to the threaded column;

[0016] And a lighter gun arranged on the slider and close to the placement frame.

[0017] Preferably, the filtering mechanism includes:

[0018] A conduit located above the test box;

[0019] And multiple groups of filter meshes. The multiple groups of filter meshes are all snap-fitted on the conduit, and a handle is arranged on the filter mesh.

[0020] Preferably, the smoke removal assembly includes:

[0021] A fan arranged on the test box;

[0022] A first connecting pipe connected to the fan, and the conduit is connected to the first connecting pipe;

[0023] A second connecting pipe arranged at the other end of the conduit and extending into the test box;

[0024] And a suction head arranged on the second connecting pipe and located above the placement frame.

[0025] Preferably, the installation mechanism includes:

[0026] A fixing plate arranged on the conduit;

[0027] An installation ring rotatably arranged on the conduit and fitted with the conduit. An insertion block is arranged on the installation ring, and the insertion block is in plug-in fit with the fixing plate;

[0028] And a fixing bolt passing through the insertion block and inserted into the fixing plate.

[0029] Compared with the prior art, the utility model has the following beneficial technical effects:

[0030] By setting the combined use of the filtering mechanism and the installation mechanism, it can make it easier and faster for the operator to replace the filter mesh, saving time; and make the maintenance process simpler, reducing the equipment downtime that may be caused by replacing the filter mesh, thereby reducing the maintenance cost; and regularly replacing the filter mesh can ensure the accuracy and reliability of the test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic structural diagram of an embodiment of the utility model;

[0032] Figure 2Schematic diagram of the internal structure of the test chamber;

[0033] Figure 3 Schematic diagram of the structure of the filtering component.

[0034] Reference numerals: 1, fixing frame; 2, test chamber; 3, sealing door; 4, fan; 5, first connecting pipe; 6, conduit; 7, second connecting pipe; 8, placement frame; 9, ignition gun; 10, threaded column; 11, slider; 12, suction head; 13, fixing plate; 14, fixing bolt; 15, mounting ring; 16, insertion block; 17, filter net; 18, handle. Detailed implementation manners

[0035] Embodiment 1

[0036] As Figures 1 - 3 shown, a non-woven fabric flame retardancy test device proposed by the present utility model includes a fixing frame 1, a test chamber 2, a placement frame 8, a smoke removal component and a filtering component;

[0037] The test chamber 2 is arranged on the fixing frame 1, and a sealing door 3 is hingedly arranged on one side of the test chamber 2; the placement frame 8 is arranged in the test chamber 2; the smoke removal component is arranged on the test chamber 2; the filtering component is arranged on the smoke removal component, and the filtering component includes a filtering mechanism and a mounting mechanism.

[0038] As Figures 1 - 2 shown, a combustion component for igniting the non-woven fabric is arranged in the test chamber 2, and the combustion component includes a threaded column 10, a slider 11 and an ignition gun 9; the threaded column 10 is rotatably arranged in the test chamber 2; the slider 11 is slidably arranged on the test chamber 2 and is threadedly connected with the threaded column 10; the ignition gun 9 is arranged on the slider 11 and is close to the placement frame 8; the smoke removal component includes a fan 4, a first connecting pipe 5, a second connecting pipe 7 and a suction head 12; the fan 4 is arranged on the test chamber 2; the first connecting pipe 5 is connected with the fan 4, and the conduit 6 is connected with the first connecting pipe 5; the second connecting pipe 7 is arranged at the other end of the conduit 6 and extends into the test chamber 2; the suction head 12 is arranged on the second connecting pipe 7 and is located on the placement frame 8.

[0039] Embodiment 2

[0040] A non-woven fabric flame retardancy test device proposed by the present utility model, compared with Embodiment 1, further details the structure of the filtering component in this embodiment.

[0041] As Figure 3As shown in the figure, the filtering mechanism includes a conduit 6 and a filter net 17; the conduit 6 is located above the test box 2; two groups of filter nets 17 are provided, and both groups of filter nets 17 are snap-fitted on the conduit 6. A handle 18 is provided on the filter net 17, and the handle 18 is made of rubber; the installation mechanism includes a fixing plate 13, an installation ring 15 and a fixing bolt 14; the fixing plate 13 is provided on the conduit 6; the installation ring 15 is rotatably provided on the conduit 6 and is fitted with the conduit 6. An insertion block 16 is provided on the installation ring 15, and the insertion block 16 is in plug-in fit with the fixing plate 13; the fixing bolt 14 passes through the insertion block 16 and is inserted into the fixing plate 13, and the fixing bolt 14 is threadedly connected to both the fixing plate 13 and the insertion block 16.

[0042] In summary, when the present utility model is in use, when too much impurities accumulate on the filter net 17 and cause blockage, the fixing bolt 14 is manually unscrewed from the fixing plate 13 and the insertion block 16, then the installation ring 15 is manually opened, and then the handle 18 is pulled, so as to remove the filter net 17 from the conduit 6 for replacement or cleaning. This makes the maintenance process more convenient and reduces the equipment downtime that may be caused by replacing the filter net 17. Thus, it can effectively filter the smoke gas generated during the flame retardant test of the non-woven fabric, preventing harmful gases from being directly discharged and affecting the environment and causing harm to the human body.

[0043] The embodiments of the present utility model have been described in detail above with reference to the drawings. However, the present utility model is not limited to this. Within the scope of knowledge possessed by those skilled in the art to which it pertains, various changes can be made without departing from the purpose of the present utility model.

Claims

1. A non-woven fabric flame retardancy testing device, characterized in that, Including: Fixing frame (1); Testing box (2), which is arranged on the fixing frame (1); Placing frame (8), which is arranged inside the testing box (2); Smoke removal component, which is arranged on the testing box (2); And a filtering component, which is arranged on the smoke removal component. The filtering component includes a filtering mechanism and a mounting mechanism.

2. The non-woven fabric flame retardancy testing device according to claim 1, characterized in that, A combustion component for igniting the non-woven fabric is arranged inside the testing box (2).

3. The non-woven fabric flame retardancy testing device according to claim 2, characterized in that, The combustion component includes: Threaded column (10), which is rotatably arranged inside the testing box (2); Slider (11), which is slidably arranged on the testing box (2) and is threadedly connected to the threaded column (10); And a lighter (9), which is arranged on the slider (11) and is close to the placing frame (8).

4. The non-woven fabric flame retardancy testing device according to claim 1, characterized in that, The filtering mechanism includes: Duct (6), which is located above the testing box (2); And filter meshes (17), multiple groups of which are arranged. Multiple groups of filter meshes (17) are all snap-fitted on the duct (6), and a handle (18) is arranged on the filter meshes (17).

5. The non-woven fabric flame retardancy testing device according to claim 4, characterized in that, The smoke removal component includes: Fan (4), which is arranged on the testing box (2); First connecting pipe (5), which is connected to the fan (4), and the duct (6) is connected to the first connecting pipe (5); Second connecting pipe (7), which is arranged at the other end of the duct (6) and extends into the testing box (2); And a suction head (12), which is arranged on the second connecting pipe (7) and is located on the placing frame (8).

6. The non-woven fabric flame retardancy testing device according to claim 4, characterized in that, The mounting mechanism includes: Fixed plate (13), which is arranged on the duct (6); Mounting ring (15), which is rotatably arranged on the duct (6) and is fitted with the duct (6). An insertion block (16) is arranged on the mounting ring (15), and the insertion block (16) is in plug-in fit with the fixed plate (13); And a fixing bolt (14), which passes through the insertion block (16) and is inserted into the fixed plate (13).

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