Textile fabric flame retardance detection device

Abstract

The utility model belongs to the technical field of fabric detection, and particularly relates to a textile fabric flame retardance detection device which comprises a negative pressure motor, three fan blades installed at the output end of the negative pressure motor, a filter plate installed at the bottom end of an installation cavity, a conveying pipe rotationally installed in the top side of a detection box, and a smoke suction cover installed at the bottom end of the conveying pipe. A driven gear is mounted on the outer side of the conveying pipe, a driving gear is mounted at the output end of the driving motor, an exhaust pipe is connected to the top side of the mounting cavity, and an activated carbon filter screen is assembled in the exhaust pipe; a negative pressure motor is started to drive fan blades to rotate, so that negative pressure is generated in a mounting cavity, a driving motor is started and drives a driving gear to rotate, so that a conveying pipe drives a smoke suction hood to rotate, the smoke suction hood conveys smoke in a detection box into the mounting cavity through the conveying pipe, and the smoke is filtered by a filter plate and adsorbed and purified by an activated carbon filter screen; the air in the detection box is effectively purified and discharged, the operation range of the smoke suction hood is enlarged, and the purification effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of fabric testing technology, specifically a device for testing the flame retardancy of textile fabrics. Background Technology

[0002] Textile fabrics are materials made from various textile fibers. During the processing of textile fabrics, to ensure that the produced fabrics meet relevant standards and customer requirements, and to improve product quality and market competitiveness, flame retardancy testing is required. Therefore, a flame retardancy testing device is needed.

[0003] A Chinese patent with authorization announcement number CN215525662U discloses a fabric semi-finished product testing device: it includes a base with a water storage tank on the upper side of the base; the material loading device includes a driving component, a transmission component, a driven component, and a material loading component, the output end of the driving component is connected to the transmission component via a belt, and the transmission component is connected to a sliding groove; the transmission component includes a first screw and a sliding block, the first screw being rotatably connected inside the sliding groove; during testing, the fabric is tested for flame retardancy and water resistance. If combustion occurs during the flame retardancy test, the fabric is driven by the support frame to immerse it in the water storage tank for fire extinguishing, which facilitates fixing the fabric and adjusting the distance between the flame injector and the fabric, thus improving testing efficiency.

[0004] However, the above-mentioned testing device still has some problems. In practical applications, textile fabrics will generate a large amount of harmful gases and fine particles during the flame retardancy testing process, which requires air purification. However, the operating range of the fume hood in the existing technology is limited, making it difficult to achieve comprehensive air purification of the testing chamber. Therefore, a textile fabric flame retardancy testing device is proposed to address the above problems. Utility Model Content

[0005] To overcome the shortcomings of existing technologies and solve the problems mentioned in the background art, this utility model proposes a flame retardancy testing device for textile fabrics.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A flame retardancy testing device for textile fabrics, comprising a testing box, an installation cavity installed on the top side of the testing box, four connecting blocks installed inside the top of the installation cavity, a negative pressure motor installed between the connecting blocks, three fan blades installed at the output end of the negative pressure motor, a filter plate installed at the bottom end of the installation cavity, a conveying pipe rotatably installed inside the top side of the testing box, the conveying pipe communicating with the installation cavity, a fumigation hood installed at the bottom end of the conveying pipe, a driven gear installed on the outside of the conveying pipe, a drive motor installed on the top side of the testing box, a driving gear installed at the output end of the drive motor, and the driving gear meshing with the driven gear, and an exhaust pipe connected to the top side of the installation cavity, an activated carbon filter screen fitted inside the exhaust pipe, achieving effective purification and exhaust of the air in the testing box, increasing the working range of the fumigation hood, improving the purification effect, and avoiding environmental pollution by harmful gases.

[0007] Preferably, a connecting cavity is installed on one side of the testing box, a servo motor is installed on the top side of the connecting cavity, a bidirectional lead screw is installed at the output end of the servo motor, two sliding grooves are symmetrically opened inside one side of the testing box, a slider is slidably installed inside the sliding groove, a screw hole is opened inside one end of the slider, and one end of the bidirectional lead screw passes through the screw hole and is rotatably installed inside the bottom side of the connecting cavity, thereby realizing flexible fixing of textile fabrics of different lengths.

[0008] Preferably, a mounting frame is installed on one side of the slider, and a threaded rod is threadedly connected to the inside of one side of the mounting frame. A handle is installed at one end of the threaded rod, and a clamp is installed at the other end of the threaded rod. Several teeth are installed on the inner wall of one side of the mounting frame, wherein the teeth are made of metal, thereby enabling the fixing of textile fabrics of different thicknesses.

[0009] Preferably, a cylinder is installed at the middle of the inner wall on the other side of the testing box, and an ignition gun is installed at the working end of the cylinder. One end of the ignition gun is connected to an external gas storage tank, which shortens the distance between the ignition gun and the textile fabric and improves the efficiency and accuracy of the ignition test.

[0010] Preferably, a hinged door is installed on one side of the testing box, a handle is installed on one side of the door, and a viewing window is provided inside the door to facilitate the handling and observation of textile fabrics.

[0011] Preferably, a control panel is installed on one side of the connecting cavity. The control panel is used to operate and control the electrical components inside the device, thereby realizing centralized control of the electrical components inside the device.

[0012] The advantages of this utility model are:

[0013] 1. This utility model starts a negative pressure motor, which drives the fan blades to rotate, creating a negative pressure environment inside the installation cavity. Under the action of negative pressure, the drive motor starts, which drives the drive gear to rotate. The drive gear and the driven gear mesh with each other, thereby causing the conveying pipe to drive the fume hood to rotate. The fume hood conveys the smoke inside the detection box to the inside of the installation cavity through the conveying pipe. After filtration by the filter plate and adsorption purification by the activated carbon filter, the air in the detection box is effectively purified and discharged, increasing the working range of the fume hood, improving the purification effect, and avoiding the pollution of the environment by harmful gases.

[0014] 2. This utility model uses a rotating handle to drive a threaded rod to rotate. During the rotation, the threaded rod moves forward or backward, and the clamping plate installed at one end of the threaded rod also moves accordingly, clamping the textile fabric between the clamping plate and the inner wall of one side of the mounting frame to meet the fixing requirements of textile fabrics of different thicknesses. Then, the servo motor is started, and the servo motor drives the bidirectional lead screw to rotate, causing the two sliders to move towards or away from each other in the slide groove. The mounting frame also moves accordingly, thereby adjusting the distance between the two mounting frames to accommodate textile fabrics of different lengths. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the intermediate axis side view of the present invention;

[0017] Figure 2 This is a schematic diagram of the main structure of the detection device;

[0018] Figure 3 This is a schematic diagram of the purification component structure;

[0019] Figure 4 A schematic diagram of the fabric clamping and fixing component structure;

[0020] Figure 5 This is a schematic diagram of a partial structure of the detection device.

[0021] In the diagram: 1. Detection box; 2. Mounting cavity; 3. Connecting block; 4. Negative pressure motor; 5. Fan blade; 6. Filter plate; 7. Conveying pipe; 8. Fume hood; 9. Driven gear; 10. Drive motor; 11. Driving gear; 12. Exhaust pipe; 13. Activated carbon filter; 14. Connecting cavity; 15. Servo motor; 16. Two-way lead screw; 17. Slide groove; 18. Slider; 19. Mounting frame; 20. Threaded rod; 21. Handle; 22. Clamping plate; 23. Gear; 24. Cylinder; 25. Ignition gun; 26. Movable door; 27. Handle; 28. Viewing window; 29. ​​Control panel. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] Please see Figure 1-3As shown, a flame retardancy testing device for textile fabrics includes a testing chamber 1. A mounting cavity 2 is installed on the top side of the testing chamber 1. Four connecting blocks 3 are installed inside the top of the mounting cavity 2. A negative pressure motor 4 is installed between the connecting blocks 3. Three fan blades 5 are installed at the output end of the negative pressure motor 4. A filter plate 6 is installed at the bottom end of the mounting cavity 2. A conveying pipe 7 is rotatably installed inside the top side of the testing chamber 1, communicating with the mounting cavity 2. A fume hood 8 is installed at the bottom end of the conveying pipe 7. A driven gear 9 is installed on the outside of the conveying pipe 7. A drive motor 10 is installed on the top side of the testing chamber 1. A driving gear 11 is installed at the output end of the drive motor 10, and the driving gear 11 meshes with the driven gear 9. An exhaust pipe 12 is connected to the top side of the mounting cavity 2, and an activated carbon filter 13 is installed inside the exhaust pipe 12. A control panel 29 is installed on one side of the connecting cavity 14. During operation, in practical applications, a large amount of harmful gases and microparticles are generated during the flame retardancy testing of textile fabrics. To address the issue of air pollution in the testing chamber 1, air purification is necessary. However, the existing fume hood 8 has a limited operating range, making it difficult to achieve comprehensive air purification. The negative pressure motor 4 is activated, driving the fan blades 5 to rotate at high speed, creating a negative pressure environment within the installation cavity 2. Under this negative pressure, the drive motor 10 starts, driving the drive gear 11 to rotate. The drive gear 11 meshes with the driven gear 9, causing the conveying pipe 7 to rotate the fume hood 8. The fume hood 8 then transports the smoke from inside the testing chamber 1 to the installation cavity 2 via the conveying pipe 7. The smoke first passes through the filter plate 6, which intercepts larger particulate impurities in the air. The air then continues to flow upwards and is finally discharged through the exhaust pipe 12. The activated carbon filter 13 adsorbs harmful gases from the air. After purification by the activated carbon filter 13, the discharged air meets environmental protection requirements, avoiding environmental pollution. This achieves effective purification and discharge of the air in the testing chamber 1, increases the operating range of the fume hood 8, improves the purification effect, and prevents harmful gases from polluting the environment.

[0024] Please see Figure 1 , 2As shown in Figures 4 and 5, a connecting cavity 14 is installed on one side of the detection box 1. A servo motor 15 is installed on the top side of the connecting cavity 14. A bidirectional lead screw 16 is installed at the output end of the servo motor 15. Two sliding grooves 17 are symmetrically opened inside one side of the detection box 1. A slider 18 is slidably installed inside the sliding groove 17. A screw hole is opened inside one end of the slider 18. One end of the bidirectional lead screw 16 passes through the screw hole and is rotatably installed inside the bottom side of the connecting cavity 14. A mounting frame 19 is installed on one side of the slider 18. A threaded rod 20 is threadedly connected inside one side of the mounting frame 19. A handle 21 is installed at one end of the threaded rod 20. A clamping plate 22 is installed at the other end of the threaded rod 20. Several teeth 23 are installed on the inner wall of one side of the mounting frame 19, wherein the teeth 23 are made of metal.

[0025] A cylinder 24 is installed at the middle of the inner wall of the other side of the test box 1. An ignition gun 25 is installed at the working end of the cylinder 24. One end of the ignition gun 25 is connected to an external gas storage tank.

[0026] A hinged door 26 is installed on one side of the testing box 1, and a handle 27 is installed on one side of the door 26. A viewing window 28 is provided inside the door 26. During operation, to ensure that the produced fabric meets relevant standards and customer requirements, and to improve product quality and market competitiveness, flame retardancy testing is required. Therefore, a flame retardancy testing device is needed. First, the textile fabric is placed between two mounting frames 19. Then, the threaded rod 20 is rotated by rotating the handle 21. The threaded rod 20 moves forward or backward during rotation. The clamping plate 22 installed at one end of the 0 also moves accordingly, clamping the textile fabric between the clamping plate 22 and the inner wall of the mounting frame 19. Several teeth 23 installed on the inner wall of the mounting frame 19 can increase the friction between the tooth and the textile fabric, further ensuring the stability of the fabric during the inspection process and meeting the fixing requirements of textile fabrics of different thicknesses. Then, the servo motor 15 is started, and the servo motor 15 drives the bidirectional lead screw 16 to rotate, so that the two sliders 18 move towards or in opposite directions in the slide groove 17, and the mounting frame 19 also moves accordingly, so that the distance between the two mounting frames 19 can be adjusted to accommodate textile fabrics of different lengths.

[0027] After the textile fabric is fixed, cylinder 24 is activated. Cylinder 24 pushes the ignition gun 25 at its working end to move towards the textile fabric. When the ignition gun 25 is close to the textile fabric, it can accurately ignite it. The distance between the ignition gun 25 and the textile fabric is controlled, the ignition distance is shortened, and the efficiency and accuracy of the ignition test are improved.

[0028] When it is necessary to place or remove the textile fabric, the operator can open the movable door 26 by holding the handle 27 on one side of the movable door 26. During the test, the operator can observe the burning of the textile fabric through the viewing window 28 opened inside the movable door 26. The viewing window 28 is made of high temperature resistant and transparent material, which can clearly see the size of the flame, the spread speed, and whether there is melting and dripping during the burning process of the fabric, providing an intuitive basis for evaluating flame retardancy.

[0029] Working principle: When it is necessary to place or remove textile fabric, the operator can open the movable door 26 by holding the handle 27 on one side of the movable door 26. During the test, the operator can observe the burning of the textile fabric through the viewing window 28 opened inside the movable door 26. The viewing window 28 is made of high temperature resistant and transparent material, which can clearly see the flame size, spread speed, and whether there is melting dripping during the burning process of the fabric, providing an intuitive basis for evaluating flame retardancy.

[0030] First, the textile fabric is placed between the two mounting frames 19. Then, the threaded rod 20 is rotated by rotating the handle 21. The threaded rod 20 moves forward or backward during the rotation, and the clamping plate 22 installed at one end of the threaded rod 20 also moves accordingly, clamping the textile fabric between the clamping plate 22 and the inner wall of one side of the mounting frame 19. Several teeth 23 installed on the inner wall of one side of the mounting frame 19 can increase the friction between the toothed rod and the textile fabric, further ensuring the stability of the fabric during the inspection process and meeting the fixing requirements of textile fabrics of different thicknesses. Then, the servo motor 15 is started, and the servo motor 15 drives the bidirectional lead screw 16 to rotate, so that the two sliders 18 move towards or away from each other in the slide groove 17, and the mounting frame 19 also moves accordingly, thereby adjusting the distance between the two mounting frames 19 to accommodate textile fabrics of different lengths.

[0031] After the textile fabric is fixed, cylinder 24 is activated. Cylinder 24 pushes the ignition gun 25 at its working end to move towards the textile fabric. When the ignition gun 25 is close to the textile fabric, it can accurately ignite it. The distance between the ignition gun 25 and the textile fabric is controlled, the ignition distance is shortened, and the efficiency and accuracy of the ignition test are improved.

[0032] During the testing process, the negative pressure motor 4 is started, driving the fan blades 5 to rotate at high speed, creating a negative pressure environment inside the installation cavity 2. Under the action of negative pressure, the drive motor 10 starts, driving the drive gear 11 to rotate. The drive gear 11 meshes with the driven gear 9, thereby causing the conveying pipe 7 to drive the fume hood 8 to rotate. The fume hood 8 conveys the smoke from the testing chamber 1 to the interior of the installation cavity 2 through the conveying pipe 7. First, it passes through the filter plate 6, which can intercept larger particulate impurities in the air. Then, the air continues to flow upward and is finally discharged through the exhaust pipe 12. The activated carbon filter 13 can adsorb harmful gases in the air. After being adsorbed and purified by the activated carbon filter 13, the discharged air meets environmental protection requirements, avoiding environmental pollution. It achieves effective purification and discharge of the air in the testing chamber 1, increases the working range of the fume hood 8, improves the purification effect, and avoids the pollution of the environment by harmful gases.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A device for testing the flame retardancy of textile fabrics, characterized in that: The system includes a testing box (1), with a mounting cavity (2) installed on its top side. Four connecting blocks (3) are installed inside the top of the mounting cavity (2), and a negative pressure motor (4) is mounted between the connecting blocks (3). Three fan blades (5) are installed at the output end of the negative pressure motor (4). A filter plate (6) is installed at the bottom of the mounting cavity (2). A conveying pipe (7) is rotatably installed inside the top side of the testing box (1), and the conveying pipe (7) is connected to the mounting cavity (2). The connection is configured such that a fumigation hood (8) is installed at the bottom of the conveying pipe (7), a driven gear (9) is installed on the outside of the conveying pipe (7), a drive motor (10) is installed on the top side of the detection box (1), a drive gear (11) is installed at the output end of the drive motor (10), and the drive gear (11) and the driven gear (9) mesh with each other. An exhaust pipe (12) is connected to the top side of the mounting cavity (2), and an activated carbon filter (13) is installed inside the exhaust pipe (12).

2. The flame retardancy testing device for textile fabrics according to claim 1, characterized in that: A connecting cavity (14) is installed on one side of the detection box (1). A servo motor (15) is installed on the top side of the connecting cavity (14). A bidirectional lead screw (16) is installed at the output end of the servo motor (15). Two sliding grooves (17) are symmetrically opened inside one side of the detection box (1). A slider (18) is slidably installed inside the sliding groove (17). A screw hole is opened inside one end of the slider (18). One end of the bidirectional lead screw (16) passes through the screw hole and is rotatably installed inside the bottom side of the connecting cavity (14).

3. The flame retardancy testing device for textile fabrics according to claim 2, characterized in that: A mounting frame (19) is installed on one side of the slider (18). A threaded rod (20) is threadedly connected to one side of the mounting frame (19). A handle (21) is installed at one end of the threaded rod (20). A clamp (22) is installed at the other end of the threaded rod (20). Several teeth (23) are installed on the inner wall of one side of the mounting frame (19), wherein the teeth (23) are made of metal.

4. The flame retardancy testing device for textile fabrics according to claim 3, characterized in that: A cylinder (24) is installed at the middle of the inner wall of the other side of the test box (1). An ignition gun (25) is installed at the working end of the cylinder (24). One end of the ignition gun (25) is connected to an external gas storage tank.

5. The flame retardancy testing device for textile fabrics according to claim 4, characterized in that: The detection box (1) has a hinged door (26) installed on one side, and a handle (27) is installed on one side of the door (26). The door (26) has a viewing window (28) inside.

6. The flame retardancy testing device for textile fabrics according to claim 2, characterized in that: A control panel (29) is installed on one side of the connecting cavity (14), and the control panel (29) is used to control the operation of electrical components inside the device.

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