A fabric flame retardant performance testing device

Abstract

The utility model discloses a kind of fabric flame-retardant performance test equipment, including testing machine body, the inside fixedly connected with bottom baffle of testing machine body, the top fixedly connected with itself lamp of bottom baffle, the outer wall fixedly interconnected with gas pipe of itself lamp.The utility model is by rectangular rubber sleeve, back block, hanging plate, elastic metal plate and arc elastic sheet composition's suspension assembly and the sliding fit of L-shaped piece, realize the quick clamping and disassembly of sample, cooperate motor drive carousel to drive sample rotation design, without stopping machine can complete the continuous test of multiple samples, greatly improve test efficiency, simplify operation process;Meanwhile, the multiple-point elastic clamping structure formed by elastic metal plate and arc elastic sheet can adapt to the clamping demand of light and thin or elastic terylene fabric, effectively avoid clamping unstable or edge curl problem, ensure that the contact area of fabric and itself lamp flame is uniform and stable.

Description

Technical Field

[0001] This utility model relates to the field of fabric testing technology, and in particular to a fabric flame retardant performance testing device. Background Technology

[0002] Polyester fabric is a synthetic textile made of polyester fibers. Due to its high strength, abrasion resistance, wrinkle resistance, and low cost, it is widely used in clothing, home décor, and industrial applications. However, polyester itself is a flammable material; it melts rapidly and continues to burn upon contact with a fire source, posing a significant fire risk and serious personal injury. Therefore, its combustion characteristics must be evaluated through flame retardant performance testing, such as afterflame time, smoldering time, and damage length, to ensure it meets safety standards during use, especially in scenarios with high fire protection requirements, such as protective clothing and curtains, to safeguard public safety.

[0003] In existing technologies, traditional testing equipment typically uses a fixed sample clamping structure, which cannot achieve rapid and continuous testing. After each sample is completed, the machine must be stopped and re-clamped, resulting in low efficiency and cumbersome operation. In addition, conventional clamps can only achieve single-point fixation, which can easily lead to unstable clamping or edge curling for thin or elastic polyester fabrics, resulting in changes in the flame contact area and affecting the accuracy of combustion mode observation. Therefore, we propose a fabric flame retardant performance testing device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a fabric flame retardant performance testing device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A fabric flame retardant performance testing device includes a testing machine body. A bottom partition is fixedly connected inside the testing machine body. A lamp is fixedly connected to the top of the bottom partition. A gas pipe is fixedly connected to the outer wall of the lamp. A motor is fixedly connected inside the testing machine body. A turntable is fixedly connected to the bottom of the motor output shaft. Two L-shaped parts are fixedly connected to the bottom of the turntable. A suspension assembly is provided inside the testing machine body. A baffle is fixedly connected to the top of the bottom partition. The top of the baffle is slidably connected to the bottom of the turntable.

[0007] Preferably, the suspension assembly includes two rectangular rubber sleeves, the outer walls of two L-shaped pieces are slidably connected to the inner walls of the two rectangular rubber sleeves respectively, a U-shaped block is fixedly fitted on the outer wall of each of the two rectangular rubber sleeves, a hanging plate is fixedly connected to the bottom of each of the two U-shaped blocks, and four elastic metal plates are fixedly connected to the bottom of each of the two hanging plates. Two arc-shaped elastic sheets are fixedly connected to the outer wall of each of the four elastic metal plates, and the arc-shaped structure of the arc-shaped elastic sheets cooperates with the elastic metal plates to form a clamping space.

[0008] Preferably, a sealing door is hinged to the left outer wall of the testing machine body, and a handle is fixedly connected to the outer wall of the sealing door.

[0009] Preferably, the outer wall of the sealed door is fixedly inlaid with tempered glass, which allows the operator to clearly observe the burning state of the internal polyester fabric during the test.

[0010] Preferably, both the bottom partition and the outer wall of the testing machine body are provided with through holes, and the inner wall of the through holes is fixedly connected to the outer wall of the gas pipe.

[0011] Preferably, a flow valve is fixedly installed on the outer wall of the gas pipe, and the operator can control the flow rate of gas delivered from external gas equipment to the lamp by adjusting the flow valve knob.

[0012] Compared with the prior art, the advantages of this utility model are:

[0013] This solution utilizes a suspension assembly consisting of a rectangular rubber sleeve, a U-shaped block, a hanging plate, an elastic metal plate, and an arc-shaped elastic sheet, along with the sliding engagement of an L-shaped component, to achieve rapid sample clamping and disassembly. Combined with a motor-driven turntable that rotates the sample, multiple samples can be tested continuously without stopping the machine, significantly improving testing efficiency and simplifying the operation process. Simultaneously, the multi-point elastic clamping structure formed by the elastic metal plate and the arc-shaped elastic sheet can adapt to the clamping requirements of thin or elastic polyester fabrics, effectively avoiding unstable clamping or edge curling, and ensuring a uniform and stable contact area between the fabric and the lamp flame. Attached Figure Description

[0014] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments 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.

[0015] Figure 1 This is a three-dimensional structural diagram of a fabric flame retardancy performance testing device proposed in this utility model.

[0016] Figure 2 This is a cross-sectional structural diagram of a fabric flame retardancy performance testing device proposed in this utility model.

[0017] Figure 3 This is a partial three-dimensional structural diagram of a fabric flame retardant performance testing device proposed in this utility model.

[0018] In the diagram: 1. Test machine body; 2. Sealed door; 3. Handle; 4. Tempered glass; 5. Bottom partition; 6. Built-in light; 7. Gas pipe; 8. Turntable; 9. Motor; 10. L-shaped part; 11. U-shaped block; 12. Rectangular rubber sleeve; 13. Hanging plate; 14. Elastic metal plate; 15. Arc-shaped elastic sheet; 16. Baffle. Detailed Implementation

[0019] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] Depend on Figures 1-3 As shown, a fabric flame retardant performance testing device is disclosed, including a testing machine body 1 (JJ-233H). A sealing door 2 is hinged to the left outer wall of the testing machine body 1 (JJ-233H). The sealing door 2 can quickly close and open the testing space. When closed, it can form a sealed environment to prevent flames and smoke from leaking out during the test. The smoke is then discharged by a fan built into the testing machine body 1 (JJ-233H). A handle 3 is fixedly connected to the outer wall of the sealing door 2. Tempered glass 4 is fixedly embedded in the outer wall of the sealing door 2. The tempered glass 4 allows the operator to clearly observe the burning state, flame shape, and fabric changes of the polyester fabric inside during the test, realizing visual monitoring of the test process.

[0021] The testing machine body 1 (JJ-233H) is internally fixedly connected to a bottom partition plate 5. The top of the bottom partition plate 5 is fixedly connected to a lamp 6. The lamp 6 is usually equipped with an electronic igniter (such as a piezoelectric igniter or a pulse igniter). The outer wall of the lamp 6 is fixedly connected to a gas pipe 7. Both the bottom partition plate 5 and the outer wall of the testing machine body 1 (JJ-233H) have through holes. The inner wall of the through hole is fixedly connected to the outer wall of the gas pipe 7. A flow valve is fixedly installed on the outer wall of the gas pipe 7 and connects to the external gas supply equipment (such as a gas cylinder or a centralized gas pipeline). The joint and the interface with the external gas equipment need to be wrapped with sealing tape (such as polytetrafluoroethylene tape) or a sealing gasket needs to be installed to prevent gas leakage.

[0022] The main body 1 (JJ-233H) of the testing machine is internally fixedly connected to a motor 9. The bottom of the output shaft of the motor 9 is fixedly connected to a turntable 8. The turntable 8 can rotate smoothly under the drive of the motor 9, thereby driving the suspension assembly and the clamped polyester fabric to rotate synchronously. The bottom of the turntable 8 is fixedly connected to two L-shaped parts 10. The top of the bottom partition 5 is fixedly connected to a baffle 16. The top of the baffle 16 is slidably connected to the bottom of the turntable 8.

[0023] The main body 1 (JJ-233H) of the testing machine is equipped with a suspension assembly. The suspension assembly includes two rectangular rubber sleeves 12. The rubber material of the rectangular rubber sleeves 12 has good elasticity and friction, which can not only enable the suspension assembly to slide flexibly on the L-shaped part 10 to facilitate the adjustment of the fabric position, but also fix the suspension assembly during the test to prevent it from shifting, while also playing a buffering role.

[0024] The outer walls of the two L-shaped pieces 10 are slidably connected to the inner walls of the two rectangular rubber sleeves 12. The outer walls of the two rectangular rubber sleeves 12 are fixedly fitted with U-shaped blocks 11. The bottom of the two U-shaped blocks 11 is fixedly connected with hanging plates 13. The bottom of the two hanging plates 13 is fixedly connected with four elastic metal plates 14. The outer walls of the four elastic metal plates 14 are fixedly connected with two arc-shaped elastic pieces 15. The arc-shaped structure of the arc-shaped elastic pieces 15 and the elastic metal plates 14 cooperate to form a clamping space. The elasticity of the pieces further enhances the clamping force on the fabric. This is especially suitable for lightweight or elastic polyester fabrics. It can effectively prevent the fabric from being unstable during the test and curling at the edges, ensuring that the fabric is laid out flat.

[0025] Working principle: In use, by holding the handle 3 on the outer wall of the testing machine body 1 to open the hinged sealing door 2, two polyester fabrics are placed between the elastic metal plate 14 and the arc-shaped elastic sheet 15 of the suspension assembly. The elasticity of the arc-shaped elastic sheet 15 clamps the two sides of the polyester fabric. The U-shaped block 11 of the suspension assembly slides on the outer wall of the L-shaped part 10 through the rectangular rubber sleeve 12, thereby realizing the suspension and fixation of the polyester fabric. The distance between the polyester fabric and the lamp 6 can be adjusted. After closing the sealing door 2, gas is supplied to the lamp through the gas pipe 7 via the existing gas equipment. 6. Gas is supplied, and the flow valve on the outer wall of the gas pipe 7 can adjust the gas flow. The existing igniter then ignites the lamp 6. The middle part of the polyester fabric comes into contact with the flame. The lamp 6 burns within a specified number of seconds. After the combustion ends, the motor 9 is started. The turntable 8, which is fixedly connected to the bottom of the output shaft of the motor 9, rotates under the drive of the motor 9. The two L-shaped parts 10 rotate synchronously with the turntable 8, causing another suspended polyester fabric to rotate around the lamp 6, so that the new polyester fabric is back above the lamp 6. The above combustion and filtration are repeated to complete the flame retardant performance test of the polyester fabric.

[0026] It should be noted that, in actual use, an existing PLC controller can be added. The PLC controller is electrically connected to the test machine body 1, motor 9, and flow valve to facilitate overall control.

[0027] All standard parts used in this utility model can be purchased from the market. Irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. Furthermore, the structure and principle of the components known to those skilled in the art can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0028] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fabric flame retardant performance testing device, comprising a testing machine body (1), characterized in that, The testing machine body (1) is fixedly connected to a bottom partition (5), and a lamp (6) is fixedly connected to the top of the bottom partition (5). A gas pipe (7) is fixedly connected to the outer wall of the lamp (6). A motor (9) is fixedly connected to the inside of the testing machine body (1). A turntable (8) is fixedly connected to the bottom of the output shaft of the motor (9). Two L-shaped parts (10) are fixedly connected to the bottom of the turntable (8). A suspension assembly is provided inside the testing machine body (1). A baffle (16) is fixedly connected to the top of the bottom partition (5). The top of the baffle (16) is slidably connected to the bottom of the turntable (8).

2. The fabric flame retardant performance testing equipment according to claim 1, characterized in that, The suspension assembly includes two rectangular rubber sleeves (12), the outer walls of two L-shaped pieces (10) are slidably connected to the inner walls of the two rectangular rubber sleeves (12), the outer walls of the two rectangular rubber sleeves (12) are fixedly fitted with a U-shaped block (11), the bottom of the two U-shaped blocks (11) are fixedly connected with a hanging plate (13), the bottom of the two hanging plates (13) are fixedly connected with four elastic metal plates (14), and the outer walls of the four elastic metal plates (14) are fixedly connected with two arc-shaped elastic sheets (15).

3. The fabric flame retardant performance testing equipment according to claim 1, characterized in that, A sealing door (2) is hinged to the left outer wall of the test machine body (1), and a handle (3) is fixedly connected to the outer wall of the sealing door (2).

4. The fabric flame retardant performance testing equipment according to claim 3, characterized in that, The outer wall of the sealed door (2) is fixedly inlaid with tempered glass (4).

5. The fabric flame retardant performance testing equipment according to claim 1, characterized in that, Both the bottom partition (5) and the outer wall of the test machine body (1) are provided with through holes, and the inner wall of the through holes is fixedly connected to the outer wall of the gas pipe (7).

6. The fabric flame retardant performance testing equipment according to claim 1, characterized in that, A flow valve is fixedly installed on the outer wall of the gas pipe (7).

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