Phosphorus-containing flame retardant fiber fatigue testing device

Abstract

The utility model discloses a phosphorus-containing flame retardant fiber fatigue testing device in the technical field of fiber testing, which comprises a box body, fixed rods are uniformly and fixedly mounted at one end of the box body, a movable block is slidably connected in each fixed rod, an insertion block is slidably connected in each movable block, a limiting plate is welded on one end surface of each insertion block, and the limiting plate is fixedly connected with the box body. Electric telescopic rods are installed at the two ends of the box body through screws, and one ends of the two electric telescopic rods are connected through a pushing plate. Compared with the prior art, the device is provided with a conveniently-disassembled limiting assembly, synchronous testing of different numbers of phosphorus-containing flame retardant fibers is facilitated, the testing efficiency of the phosphorus-containing flame retardant fibers is improved, and the testing efficiency of the phosphorus-containing flame retardant fibers is improved. Compared with the prior art, a plurality of phosphorus-containing flame retardant fibers can be compared when being tested, the accuracy of test data is improved, the phosphorus-containing flame retardant fibers can be limited when being tested, and the stability of the phosphorus-containing flame retardant fibers during testing is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of fiber testing, in particular to a phosphorus-containing flame retardant fiber fatigue testing device. Background Art

[0002] Functional fiber refers to a fiber that has certain special functions in addition to the existing properties of the fiber, such as conductive fiber, optical fiber, ion exchange fiber, ceramic particle fiber, temperature regulating and thermal insulation fiber, bioactive fiber, biodegradable fiber, elastic fiber, high emissivity far-infrared fiber, negative ion generating fiber, antibacterial and deodorizing fiber, flame retardant fiber, fragrance fiber, color-changing fiber, radiation-proof fiber, etc. After the production of phosphorus-containing flame retardant functional fiber is completed, the fatigue strength test of the phosphorus-containing flame retardant functional fiber is required to ensure the service life of the phosphorus-containing flame retardant functional fiber.

[0003] In the application document of the carbon fiber prepreg fatigue testing device with application number 202321341498.9, different tension tests can be performed on the carbon fiber prepreg by controlling the tension adjustment roller, which reduces the testing cost and improves the testing efficiency. The coordinated use of the tension measuring roller, tension sensor, driven groove roller and reduction motor makes the tension detection more accurate, thereby improving the yield rate and product quality.

[0004] Although the above application meets the user's needs to a certain extent, there are still certain defects during use. The phosphorus-containing flame retardant fiber is prone to move during the fatigue test, which causes the phosphorus-containing flame retardant fiber to tilt, resulting in inaccurate fatigue test results of the phosphorus-containing flame retardant fiber. Based on this, the utility model designs a phosphorus-containing flame retardant fiber fatigue testing device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a phosphorus-containing flame retardant fiber fatigue testing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a fatigue testing device for phosphorus-containing flame retardant fibers, comprising a box body, one end of which is fixedly connected to a driving roller via a motor, and one end of which is evenly and movably mounted with a driven roller;

[0007] A detachable limiting assembly is installed at one end of the box, and the detachable limiting assembly includes an electric telescopic rod, a push plate, a fixed rod, a moving block, an inserting block, and a limiting plate;

[0008] A fixed rod is evenly fixed on one end of the box body, a moving block is slidably connected inside the fixed rod, an insertion block is slidably connected inside the moving block, a limiting plate is welded on one end face of the insertion block, electric telescopic rods are installed on both ends of the box body by screws, and one end of the two electric telescopic rods is connected by a pushing plate.

[0009] Preferably, first balls are evenly embedded and installed inside the limiting plate.

[0010] Preferably, a first extrusion screw is connected to the interior of one end of the moving block via a thread, and a fixing screw is connected to the interior of the inserting block via a thread.

[0011] Preferably, the end face of the first extrusion screw contacts one end face of the fixed rod, and the fixed screw passes through the moving block.

[0012] Preferably, the pushing plate is provided with corresponding grooves at positions corresponding to the active roller, the driven roller and the fixed rod, and the fixed rod is provided with a moving groove at a position corresponding to the moving block.

[0013] Preferably, an induction detection component is installed at one end of the top of the box body, and the induction detection component includes a mounting rod, a slider, a spring telescopic rod, a movable frame and a pressure sensor;

[0014] A mounting rod is installed at one end of the top of the box body by screws, a slider is evenly slidably connected inside the mounting rod, a spring telescopic rod is installed on the bottom surface of the slider by screws, several movable ends of the spring telescopic rods are connected by a movable frame, and a pressure sensor is provided at one end of the movable frame.

[0015] Preferably, a second ball is rotatably embedded in the bottom end of the movable end of the spring telescopic rod.

[0016] Preferably, one end of the slider is threadedly connected to a second extrusion screw.

[0017] Preferably, the movable frame includes a movable rod and a connecting rod, the movable rod is mounted on the top surface of the movable end of the spring telescopic rod by screws, and the tops of several movable rods are connected by a connecting rod.

[0018] Preferably, the pressure sensor is slidably embedded and installed on the top of the box.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] By setting up a detachable limit component, it is convenient to simultaneously test different numbers of phosphorus-containing flame retardant fibers, thereby improving the efficiency of phosphorus-containing flame retardant fiber testing. When testing multiple phosphorus-containing flame retardant fibers, a comparison can be made to improve the accuracy of the test data. When testing phosphorus-containing flame retardant fibers, the phosphorus-containing flame retardant fibers can be limited to ensure the stability of the phosphorus-containing flame retardant fibers during testing. At the same time, it is convenient for personnel to disassemble the phosphorus-containing flame retardant fibers after the test is completed, thereby improving the efficiency of phosphorus-containing flame retardant fiber testing.

[0021] By setting up an induction detection component, the degree of wear of the phosphorus-containing flame retardant fiber can be detected and known, so that personnel can accurately observe the test data and improve the effect of the phosphorus-containing flame retardant fiber test. By observing the pressure sensor, the test can be stopped before the phosphorus-containing flame retardant fiber breaks, preventing the phosphorus-containing flame retardant fiber from breaking and causing damage to personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the detachable limit assembly of the utility model;

[0025] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of area A;

[0026] Figure 4 This is a schematic diagram of the insertion block structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the induction detection component of the utility model;

[0028] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure of area B.

[0029] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0030] 1. Box body; 2. Active roller; 3. Driven roller;

[0031] 4. Removable limiter assembly; 401. Electric telescopic rod; 402. Push plate; 403. Fixed rod; 404. Moving block; 405. First extrusion screw; 406. Insertion block; 407. Fixed screw; 408. Limiter plate; 409. First ball bearing;

[0032] 5. Sensing detection component; 501. Mounting rod; 502. Slider; 503. Second extrusion screw; 504. Spring telescopic rod; 505. Second ball bearing; 506. Moving frame; 507. Pressure sensor. DETAILED DESCRIPTION

[0033] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] See also Figure 1-6 The utility model provides a technical solution: a phosphorus-containing flame retardant fiber fatigue testing device, comprising a box body 1, one end of the box body 1 is fixedly connected to a driving roller 2 through a motor, and one end of the box body 1 is evenly and movably installed with a driven roller 3;

[0035] A detachable limiting assembly 4 is installed at one end of the box body 1. The detachable limiting assembly 4 includes an electric telescopic rod 401, a push plate 402, a fixed rod 403, a moving block 404, a first extrusion screw 405, an insertion block 406, a fixed screw 407, a limiting plate 408 and a first ball 409;

[0036] A fixed rod 403 is evenly fixed on one end of the box body 1, and a moving block 404 is slidably connected inside the fixed rod 403. A first extrusion screw 405 is connected to the inside of the moving block 404 through a thread. An insertion block 406 is slidably connected to the inside of the moving block 404, and a fixed screw 407 is connected to the inside of the insertion block 406 through a thread. Corresponding grooves are opened at the positions of the pushing plate 402 corresponding to the active roller 2, the driven roller 3 and the fixed rod 403, and a corresponding groove is opened at the position of the fixed rod 403 corresponding to the moving block 404. There is a moving groove to ensure the stability of the movement of the moving block 404. The end face of the first extrusion screw 405 contacts one end face of the fixed rod 403 to facilitate the fixing of the moving block 404. The fixed screw 407 passes through the moving block 404. A limit plate 408 is welded to one end face of the insertion block 406. The first ball bearings 409 are evenly embedded and installed inside the limit plate 408. Electric telescopic rods 401 are installed at both ends of the box body 1 by screws. One end of the two electric telescopic rods 401 is connected by a push plate 402.

[0037] An induction detection assembly 5 is installed at one end of the top of the box 1. The induction detection assembly 5 includes a mounting rod 501, a slider 502, a second extrusion screw 503, a spring telescopic rod 504, a second ball bearing 505, a movable frame 506 and a pressure sensor 507;

[0038] The top of the box body 1 is fixed with a mounting rod 501 by screws, and a slider 502 is evenly slidably connected inside the mounting rod 501. One end of the slider 502 is connected to the second extrusion screw 503 by threading. A spring telescopic rod 504 is fixed to the bottom surface of the slider 502 by screws. The bottom end of the spring telescopic rod 504 is internally embedded with a second ball 505 for rotation. The moving ends of the spring telescopic rods 504 are connected by a moving frame 506. The moving frame 506 includes a moving rod and a connecting rod. The top surface of the moving end of the spring telescopic rod 504 is fixed with a moving rod by screws, and the tops of the several moving rods are connected by a connecting rod to facilitate driving the moving frame 506 to move. The pressure sensor 507 is slidably embedded and installed on the top of the box body 1. The longitudinal section of the slider 502 is T-shaped. One end face of the second extrusion screw 503 contacts one end face of the mounting rod 501 to avoid the problem of the slider 502 falling off and facilitate fixing the slider 502. A pressure sensor 507 is provided at one end of the moving frame 506.

[0039] The personnel placed the phosphorus-containing flame retardant fiber on the active roller 2 and the driven roller 3, and then drove the active roller 2 to rotate by the motor to realize the rotation of the phosphorus-containing flame retardant fiber. Through the use of the active roller 2 and the driven roller 3, the fatigue of the phosphorus-containing flame retardant fiber was tested. During the test, the personnel moved the slider 502 so that the second ball 505 came into contact with the phosphorus-containing flame retardant fiber, and then fixed the slider 502 by the second extrusion screw 503. As the phosphorus-containing flame retardant fiber was tested, the phosphorus-containing flame retardant fiber would gradually wear out and become narrower. At this time, the spring telescopic rod 5 04 stretches, causing the movable end of the spring telescopic rod 504 to move, thereby driving the movable frame 506 to move, so that the movable frame 506 contacts the pressure sensor 507. Personnel can detect the degree of wear of the phosphorus-containing flame retardant fiber by observing the pressure sensor 507, so that personnel can accurately observe the test data, improve the effect of the phosphorus-containing flame retardant fiber test, and by observing the pressure sensor 507, the test can be stopped before the phosphorus-containing flame retardant fiber breaks, thereby preventing the problem of phosphorus-containing flame retardant fiber breaking and causing injury to personnel.

[0040] The personnel can adjust the position of the limit plate 408 according to the phosphorus-containing flame retardant fibers of different widths. After adjusting the limit plate 408 to a suitable position, the personnel then fix the moving block 404 through the first extrusion screw 405, thereby fixing the limit plate 408. The personnel can also install different numbers of limit plates 408 according to the number of phosphorus-containing flame retardant fibers, move the insertion block 406 to the inside of the moving block 404, and then fix it with the fixing screw 407, so that the personnel can install and remove the limit plate 408 for different A number of phosphorus-containing flame retardant fibers are tested synchronously, which improves the efficiency of the phosphorus-containing flame retardant fiber testing. When multiple phosphorus-containing flame retardant fibers are tested, a comparison can be made, which improves the accuracy of the test data. After the test of the phosphorus-containing flame retardant fibers is completed, the personnel remove the limit plate 408, and the personnel drive the push plate 402 to move by turning on the electric telescopic rod 401, thereby moving the phosphorus-containing flame retardant fiber from the outside of the active roller 2 and the driven roller 3, so that the personnel can remove the phosphorus-containing flame retardant fiber after the test is completed, thereby improving the efficiency of the phosphorus-containing flame retardant fiber testing.

[0041] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these 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 any one or more embodiments or examples.

[0042] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A fatigue testing device for phosphorus-containing flame retardant fibers, comprising a box (1), one end of the box (1) being fixedly connected to a driving roller (2) via a motor, and one end of the box (1) being evenly and movably mounted with a driven roller (3), characterized in that: A detachable limiting assembly (4) is installed at one end of the box body (1), and the detachable limiting assembly (4) comprises an electric telescopic rod (401), a push plate (402), a fixed rod (403), a moving block (404), an inserting block (406), and a limiting plate (408); A fixed rod (403) is evenly fixedly installed at one end of the box body (1), a moving block (404) is slidably connected inside the fixed rod (403), an insertion block (406) is slidably connected inside the moving block (404), and a limiting plate (408) is welded to one end face of the insertion block (406). Electric telescopic rods (401) are installed at both ends of the box body (1), and one end of the two electric telescopic rods (401) is connected via a pushing plate (402).

2. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 1, characterized in that: The first rolling balls (409) are evenly embedded and installed inside the limiting plate (408).

3. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 1, characterized in that: One end of the moving block (404) is internally connected to a first extrusion screw (405) via a thread, and the insertion block (406) is internally connected to a fixing screw (407) via a thread.

4. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 3, characterized in that: The end face of the first extrusion screw (405) contacts one end face of the fixed rod (403), and the fixed screw (407) passes through the moving block (404).

5. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 1, characterized in that: The pushing plate (402) is provided with corresponding grooves at positions corresponding to the active roller (2), the driven roller (3) and the fixed rod (403), and the fixed rod (403) is provided with a moving groove at a position corresponding to the moving block (404).

6. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 1, characterized in that: An induction detection assembly (5) is installed at one end of the top of the box (1), and the induction detection assembly (5) includes a mounting rod (501), a slider (502), a spring telescopic rod (504), a movable frame (506) and a pressure sensor (507); A mounting rod (501) is mounted on one end of the top of the box (1) by means of screws, a slider (502) is evenly slidably connected inside the mounting rod (501), a spring telescopic rod (504) is mounted on the bottom surface of the slider (502), and the movable ends of several spring telescopic rods (504) are connected by means of a movable frame (506), and a pressure sensor (507) is provided at one end of the movable frame (506).

7. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 6, characterized in that: A second ball (505) is rotatably embedded in the bottom of the movable end of the spring telescopic rod (504).

8. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 6, characterized in that: One end of the interior of the slider (502) is connected to a second extrusion screw (503) via a thread.

9. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 6, characterized in that: The movable frame (506) comprises a movable rod and a connecting rod. The movable rod is installed on the top surface of the movable end of the spring telescopic rod (504). The tops of several movable rods are connected by a connecting rod.

10. The phosphorus-containing flame retardant fiber fatigue testing device according to claim 6, characterized in that: The pressure sensor (507) is slidably embedded and installed on the top of the box (1).

Images