Tensile testing device and method for soft and elastic fabric for spinning and soft and elastic fabric

Abstract

The invention relates to the technical field of spinning, in particular to a tensile testing device and method for a soft and elastic fabric for spinning and the soft and elastic fabric. The tensile testing device comprises a base, a U-shaped plate, a fixing rod, a supporting plate, a stand column, a placement plate, a fixing mechanism, an adjusting mechanism, a supporting mechanism and a conversion mechanism; a plurality of fabrics are placed at the tops of placing plates, the two ends of the fabrics are located at the tops of the two placing plates respectively, then a motor is started to enable a second lead screw and a first lead screw to rotate synchronously in the same direction, and two first connecting plates drive two pressing rods to move downwards through two second connecting plates and two U-shaped rods to press the two ends of the fabrics; then a hydraulic rod is started to drive a mounting plate to move downwards, the mounting plate drives a pressure sensor to move downwards through a vertical rod to extrude the fixed fabric, so that the stretching test is performed on the fabric, the device can synchronously test a plurality of fabric samples at the same time, the workload of workers is reduced, and the test efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of textiles, in particular to a stretch testing device and method for flexible and elastic textile fabrics and the flexible and elastic textile fabrics. Background Art

[0002] The textile flexible fabric tensile test device is a test device specially designed to evaluate the mechanical properties of textiles, especially flexible elastic materials. This device can simulate the tensile conditions that fabrics may encounter in actual use, and measure key indicators such as tensile strength, elongation and elastic recovery of fabrics by accurately controlling the stretching speed, force and distance.

[0003] For example, the Chinese patent publication number is CN105938069A, and the technical solution disclosed in the patent document is as follows: a textile fabric tensile testing device, which can not only perform a rebound test on the fabric, but also test the ultimate tensile strength of the fabric, and has high test efficiency and accurate test accuracy. Its structure includes a workbench, which is a rectangular structure; a frame is provided along the edge of the upper surface of the workbench, and the upper part of the frame is an X-shaped structure; a plurality of supports are provided on the upper surface of the workbench, and the supports are perpendicular to the upper surface of the workbench; electromagnetic pressure plates are respectively provided on the upper surfaces of the plurality of supports, and a corner of the fabric is respectively pressed between the plurality of electromagnetic pressure plates and the supports, and the fabric is placed horizontally; a hydraulic cylinder is provided on the upper surface of the frame; a telescopic rod is provided on the lower surface of the hydraulic cylinder, and the telescopic rod passes through the upper part of the frame to reach the top of the fabric; the textile fabric tensile testing device has low use cost and is suitable for tensile testing of fabrics.

[0004] The prior art usually fixes the fabric between a support and an electromagnetic pressing plate and then performs a tensile test. Since a certain number of test samples are required to ensure the accuracy of the test, the staff is required to repeatedly fix the fabric, which increases the workload of the staff and makes the test inefficient. Summary of the invention

[0005] The object of the present invention is to provide a textile flexible elastic fabric tensile testing device, method and flexible elastic fabric to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A textile flexible fabric tensile testing device comprises: a base, a U-shaped plate, a fixed rod, a support plate, a column, a placement plate, a fixing mechanism, an adjustment mechanism, a support mechanism and a conversion mechanism; the U-shaped plate and the fixed rod are both fixedly installed on the top of the base, the support plate is fixedly connected to the top of the fixed rod, the column is fixedly connected to the top of the support plate, the placement plate is arranged on the top of the column, a hydraulic rod is fixedly installed on the top of the inner wall of the U-shaped plate, and a mounting plate is arranged at the output end of the hydraulic rod, and a vertical rod and a pressure sensor are arranged at the bottom of the mounting plate; The fixing mechanism, the adjusting mechanism, the supporting mechanism and the transforming mechanism are all arranged on the top of the base; wherein, the fixing mechanism comprises a screw rod 1, a screw rod 2, two connecting plates 1, two connecting plates 2, two U-shaped rods and two pressure rods, the screw rod 1 and the screw rod 2 respectively penetrate the two connecting plates 1 and are threadedly connected to the two connecting plates 1, the bottom of the screw rod 2 is rotatably connected to the top of the base through a bearing 1, the two connecting plates 1 are respectively fixedly connected to the two connecting plates 2, the two connecting plates 2 are fixedly connected between the two U-shaped rods, and the two pressure rods are arranged at the bottom of the two U-shaped rods.

[0007] Preferably, a motor is fixedly installed on the top of the base, and the output end of the motor is rotatably connected to the bottom of the screw rod one through a connecting rod, the left and right sides of the inner wall of the U-shaped plate are fixedly connected to connecting plate three and a limit rod, the tops of the screw rod one and the screw rod two are rotatably connected to the bottoms of the two connecting plates three through bearing two, the limit rod passes through the connecting plate one and is slidably connected to the connecting plate one, the outer walls of the connecting rod and the screw rod two are respectively fixedly sleeved with a transmission wheel one and a transmission wheel two, the transmission wheel one and the transmission wheel two are sleeved with a conveyor belt, and the conveyor belt is movably connected to the transmission wheel one and the transmission wheel two, and the screw rod two can be made to rotate synchronously with the screw rod one by arranging the conveyor belt, the transmission wheel two and the transmission wheel one.

[0008] Preferably, the adjustment mechanism includes an adjustment rod 1, a slide groove 1 and a sliding rod, the sliding rod is fixedly connected to the top of the pressure rod, the slide groove 1 is opened at the bottom of the adjustment rod 1, and the top of the sliding rod is slidably connected to the inside of the slide groove 1, the adjustment rod 1 is fixedly connected to the bottom of the U-shaped rod, and the pressure rod can be moved left and right to adjust the position by setting the slide groove 1 and the sliding rod.

[0009] Preferably, a limiting groove is provided on the inner wall of the slide groove one, a round block is slidably connected inside the limiting groove, and the round block is fixedly connected to the outer wall of the slide rod, a fixing plate is fixedly connected to the outer wall of the slide rod, and the fixing plate is threadedly connected to a fastening bolt, and the fixing plate is slidably connected to the bottom of the adjusting rod one. By setting the fixing plate, the pressure rod can be fixed in a specified position in cooperation with the fastening bolt to prevent it from moving left and right.

[0010] Preferably, the supporting mechanism includes a rectangular sleeve, a spring, a movable rod and a support plate, the support plate is fixedly connected to the top of the movable rod, the rectangular sleeve is fixedly connected to the top of the support plate, and the bottom of the movable rod is slidably connected to the inside of the rectangular sleeve, the spring is arranged inside the rectangular sleeve, and the two ends are respectively fixedly connected to the bottom of the movable rod and the top of the support plate, and the support plate can be driven to reset by setting the spring.

[0011] Preferably, a through hole is provided on the column, the bottom of the connecting plate one is fixedly connected to an extrusion rod, and a connecting plate four is provided at the bottom of the extrusion rod, the connecting plate four is fixedly connected to the outer wall of the movable rod, and passes through the through hole to be slidably connected to the through hole, and the extrusion rod can be provided to squeeze the connecting plate four as the connecting plate moves down, and the downward pressing speed is fast so that the placed fabric is fixed horizontally.

[0012] Preferably, the conversion mechanism includes an adjusting rod 2, a slide groove 2, a slider, an insertion rod and a connecting plate 5, the adjusting rod 2 is fixedly connected to the top of the column, the slider is fixedly connected to the bottom of the placement plate, the slide groove 2 is opened at the top of the adjusting rod 2, and the slider is slidably connected to the inside of the slide groove 2, the outer wall of the slider is opened with a fixed groove, one end of the insertion rod passes through the front side of the adjusting rod 2 and extends to the inside of the fixed groove, and the insertion rod is slidably connected to the adjusting rod 2 and the fixed groove, and the connecting plate 5 is fixedly connected to the other end of the insertion rod, and the number of the insertion rods is multiple, which can cooperate with the fixed groove to fix the adjusted slider.

[0013] Preferably, the front side of the connecting plate five is fixedly connected with an L-shaped rod, the front side of the L-shaped rod is fixedly connected with a pull rod, the front side of the support plate is fixedly connected with a round rod, and the round rod passes through the L-shaped rod and is slidably connected to the L-shaped rod, the front end of the round rod is fixedly connected with a round plate, the outer wall of the round rod is sleeved with a spring 2, and the two ends of the spring 2 are respectively fixedly connected to the outer wall of the round plate and the outer wall of the L-shaped rod. By setting the pull rod, it is convenient to pull the two L-shaped rods at the same time, and the spring 2 can drive the L-shaped rod to reset.

[0014] The tensile test method for flexible and elastic fabrics for textile use comprises the following steps: Step 1: multiple fabrics are placed on top of a placement plate, the support plate supports the fabrics, and two ends of the fabrics are respectively located on top of two placement plates; Step 2: The screw rod 1 is driven to rotate by starting the motor, and the screw rod 2 is driven by the transmission wheel 1, the conveyor belt and the transmission wheel 2 to make the screw rod 2 rotate synchronously with the screw rod 1 in the same direction, so that the two connecting plates 1 drive the two pressure rods to move downward through the two connecting plates 2 and the two U-shaped rods to press the two ends of the fabric; Step 3: Start the hydraulic rod to drive the mounting plate to move downward, and the mounting plate drives the pressure sensor to move downward through the vertical rod to squeeze the fixed fabric, thereby performing a tensile test on the fabric, and then read the test data through the display screen on the device.

[0015] The soft and elastic fabric is applied to the soft and elastic fabric mentioned above.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. Place multiple fabrics on the top of the placement plate, and make the two ends of the fabrics located on the top of the two placement plates respectively, then start the motor to drive the screw rod 1 to rotate, and through the transmission of the transmission wheel 1, the conveyor belt and the transmission wheel 2, the screw rod 2 and the screw rod 1 are synchronously rotated in the same direction, so that the two connecting plates 1 drive the two pressure rods to move down through the two connecting plates 2 and the two U-shaped rods to press the two ends of the multiple fabrics, and then start the hydraulic rod to drive the installation plate to move down, and the installation plate drives the pressure sensor to move down through the vertical rod to squeeze the fixed fabric, so as to perform a tensile test on the fabric. The device can perform synchronous tests on multiple fabric samples at the same time, reducing the workload of the staff and improving the efficiency of the test; 2. During the test, the support plate supports the placed fabric to prevent it from falling. When the fabric is fixed, the first connecting plate drives the extrusion rod to move downward, and the extrusion rod drives the movable rod to shrink to the rectangular sleeve through the fourth connecting plate. The movable rod drives the support plate to move downward, so as not to block the downward pressure of the pressure sensor. The device moves the support plate downward synchronously while being fixed, thereby improving the functionality of the device; 3. By loosening the fastening bolts on the fixing plate, the pressure rod can be moved left and right to adjust the position. After adjustment, tighten the fastening bolts to fix the pressure rod, so that the device can adjust the fixed position according to the size of the fabric.

[0017] 4. Pull the pull rod forward, and the pull rod drives the L-shaped rod to move forward. The L-shaped rod drives multiple plug rods to move forward through the connecting plate 5, so that the slider is released from the restriction, and then the two placement plates are moved to adjust the distance between the two. After adjustment, release the pull rod, and the corresponding plug rod is automatically inserted into the fixing groove under the action of spring 2 to fix the placement plate, so that the device can adjust the placement position according to the size of the fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the fixing mechanism of the present invention; Figure 3 For the present invention Figure 2 The enlarged view of point A in the middle; Figure 4 is a cross-sectional view of an adjusting rod 1 of the present invention; Figure 5 For the present invention Figure 4 The enlarged view of point B in the middle; Figure 6 It is a structural schematic diagram of the support mechanism of the present invention; Figure 7 For the present invention Figure 6 Enlarged view of point C in the middle; Figure 8 It is a front cross-sectional view of the present invention.

[0019] In the figure: 1, base; 2, U-shaped plate; 3, fixing rod; 4, support plate; 5, column; 6, placement plate; 7, fixing mechanism; 71, motor; 72, screw rod 1; 73, connecting plate 3; 74, connecting plate 1; 75, connecting plate 2; 76, U-shaped rod; 77, pressure rod; 78, transmission wheel 1; 79, conveyor belt; 710, transmission wheel 2; 711, screw rod 2; 712, limit rod; 8, adjustment mechanism; 81, adjustment rod 1; 82, slide 1; 83, slide rod ; 84. Limiting groove; 85. Round block; 86. Fixed plate; 9. Support mechanism; 91. Extrusion rod; 92. Connecting plate four; 93. Through hole; 94. Movable rod; 95. Support plate; 96. Rectangular sleeve; 97. Spring one; 10. Conversion mechanism; 101. Adjusting rod two; 102. Slide groove two; 103. Sliding block; 104. Insert rod; 105. Connecting plate five; 106. L-shaped rod; 107. Pull rod; 108. Round rod; 109. Round plate; 110. Spring two. DETAILED DESCRIPTION

[0020] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0021] like Figure 1-3As shown, the stretch testing device for textile flexible fabrics comprises a base 1, a U-shaped plate 2, a fixed rod 3, a support plate 4, a column 5, a placement plate 6, a fixing mechanism 7, an adjustment mechanism 8, a support mechanism 9 and a conversion mechanism 10; the U-shaped plate 2 and the fixed rod 3 are both fixedly mounted on the top of the base 1, the support plate 4 is fixedly connected to the top of the fixed rod 3, the column 5 is fixedly connected to the top of the support plate 4, the placement plate 6 is arranged on the top of the column 5, a hydraulic rod is fixedly mounted on the top of the inner wall of the U-shaped plate 2, and an output end of the hydraulic rod is provided with The mounting plate has a vertical rod and a pressure sensor at the bottom thereof; the fixing mechanism 7, the adjusting mechanism 8, the supporting mechanism 9 and the changing mechanism 10 are all arranged at the top of the base 1; wherein the fixing mechanism 7 comprises a screw rod 1 72, a screw rod 2 711, two connecting plates 1 74, two connecting plates 2 75, two U-shaped rods 76 and two pressure rods 77, the screw rod 1 72 and the screw rod 2 711 respectively penetrate the two connecting plates 1 74 and are threadedly connected to the two connecting plates 1 74, and the bottom of the screw rod 2 711 is connected to the top of the base 1 through a bearing 1 The two connecting plates 1 74 are respectively fixedly connected to the two connecting plates 2 75, and the two connecting plates 2 75 are fixedly connected between the two U-shaped rods 76. The two pressure rods 77 are arranged at the bottom of the two U-shaped rods 76. The motor 71 is fixedly installed on the top of the base 1, and the output end of the motor 71 is rotatably connected to the bottom of the screw rod 1 72 through the connecting rod. The left and right sides of the inner wall of the U-shaped plate 2 are fixedly connected with the connecting plate 3 73 and the limit rod 712. The tops of the screw rod 1 72 and the screw rod 2 711 are respectively connected to the screw rod 1 72 and the screw rod 2 711 through the bearing 2. The bottoms of the two connecting plates three 73 are rotatably connected, the limiting rod 712 passes through the connecting plate one 74 and is slidably connected to the connecting plate one 74, the outer walls of the coupling rod and the screw rod two 711 are respectively fixedly sleeved with a transmission wheel one 78 and a transmission wheel two 710, and the transmission wheel one 78 and the transmission wheel two 710 are sleeved with a conveyor belt 79, and the conveyor belt 79 is movably connected to the transmission wheel one 78 and the transmission wheel two 710. By arranging the conveyor belt 79, the transmission wheel two 710 and the transmission wheel one 78, the screw rod two 711 can rotate synchronously with the screw rod one 72.

[0022] Specifically, multiple fabrics are placed on the top of the placement plate 6, and the two ends of the fabrics are respectively located on the top of the two placement plates 6, and then the motor 71 is started to drive the screw rod 1 72 to rotate, and the screw rod 2 711 and the screw rod 1 72 are rotated synchronously in the same direction through the transmission wheel 1 78, the conveyor belt 79 and the transmission wheel 2 710, so that the two connecting plates 1 74 drive the two pressure rods 77 to move downward through the two connecting plates 2 75 and the two U-shaped rods 76 to press the two ends of the multiple fabrics, and then the hydraulic rod is started to drive the mounting plate to move downward, and the mounting plate drives the pressure sensor to move downward through the vertical rod to squeeze the fixed fabric, thereby performing a tensile test on the fabric. The device can perform synchronous tests on multiple fabric samples at the same time, reducing the workload of the staff and improving the efficiency of the test.

[0023] like Figure 4-5As shown, the adjustment mechanism 8 includes an adjustment rod 81, a slide groove 82 and a slide rod 83. The slide rod 83 is fixedly connected to the top of the pressure rod 77. The slide groove 82 is opened at the bottom of the adjustment rod 81, and the top of the slide rod 83 is slidably connected to the inside of the slide groove 82. The adjustment rod 81 is fixedly connected to the bottom of the U-shaped rod 76. By setting the slide groove 82 and the slide rod 83, the pressure rod 77 can be moved left and right to adjust the position. The inner wall of the slide groove 82 is opened. The inside of the limiting groove 84 is slidably connected with a round block 85, and the round block 85 is fixedly connected to the outer wall of the slide rod 83. The outer wall of the slide rod 83 is fixedly connected with a fixing plate 86, and the fixing plate 86 is threadedly connected with a fastening bolt. The fixing plate 86 is slidably connected to the bottom of the adjustment rod 81. By setting the fixing plate 86, the pressure rod 77 can be fixed at a specified position in cooperation with the fastening bolt to prevent it from moving left and right.

[0024] Specifically, during the test, the support plate 95 supports the placed fabric to prevent it from falling, and when the fabric is fixed, the connecting plate 74 drives the extrusion rod 91 to move downward, and the extrusion rod 91 drives the movable rod 94 to shrink toward the rectangular sleeve 96 through the connecting plate 4 92, and the movable rod 94 drives the support plate 95 to move downward, thereby not blocking the downward pressure of the pressure sensor. The device moves the support plate 95 downward synchronously while being fixed, thereby improving the functionality of the device.

[0025] like Figure 6-8 As shown, the supporting mechanism 9 includes a rectangular sleeve 96, a spring 97, a movable rod 94 and a support plate 95. The support plate 95 is fixedly connected to the top of the movable rod 94. The rectangular sleeve 96 is fixedly connected to the top of the support plate 4, and the bottom of the movable rod 94 is slidably connected to the inside of the rectangular sleeve 96. The spring 97 is arranged inside the rectangular sleeve 96, and the two ends are respectively fixedly connected to the bottom of the movable rod 94 and the top of the support plate 4. By setting the spring 97, the support plate 95 can be driven to reset. A through hole 93 is opened on the column 5. The bottom of the connecting plate 74 is fixedly connected to the squeezing rod 91, and the bottom of the squeezing rod 91 is provided with a connecting plate 4 92. The connecting plate 4 92 is fixedly connected to the outer wall of the movable rod 94, and passes through the through hole 93 and is slidably connected to the through hole 93. By setting the squeezing rod 91, the connecting plate 4 92 can be squeezed as the connecting plate 74 moves downward, and the downward pressing speed is fast so that the placed fabric is fixed horizontally.

[0026] Specifically, by loosening the fastening bolts on the fixing plate 86, the pressure rod 77 can be moved left and right to adjust the position. After adjustment, the pressure rod 77 can be fixed by tightening the fastening bolts, so that the device can adjust the fixed position according to the size of the fabric.

[0027] like Figure 2 , 3As shown in , 6 and 7, the transformation mechanism 10 includes an adjusting rod 101, a sliding groove 102, a slider 103, an insertion rod 104 and a connecting plate 105. The adjusting rod 101 is fixedly connected to the top of the column 5, the slider 103 is fixedly connected to the bottom of the placement plate 6, the sliding groove 102 is opened at the top of the adjusting rod 101, and the slider 103 is slidably connected to the inside of the sliding groove 102. The outer wall of the slider 103 is provided with a fixed groove, one end of the insertion rod 104 passes through the front face of the adjusting rod 101 and extends to the inside of the fixed groove, and the insertion rod 104 is slidably connected to the adjusting rod 101 and the fixed groove, and the connecting plate 105 is fixedly connected to the other end of the insertion rod 104. The number of the insertion rods 104 is Multiple, can cooperate with the fixed groove to fix the adjusted slider 103, the front side of the connecting plate 5 105 is fixedly connected with an L-shaped rod 106, the front side of the L-shaped rod 106 is fixedly connected with a pull rod 107, the front side of the support plate 4 is fixedly connected with a round rod 108, and the round rod 108 penetrates the L-shaped rod 106 and is slidably connected with the L-shaped rod 106, the front end of the round rod 108 is fixedly connected with a round piece 109, the outer wall of the round rod 108 is provided with a spring 2 110, and the two ends of the spring 2 110 are respectively fixedly connected to the outer wall of the round piece 109 and the outer wall of the L-shaped rod 106, by setting the pull rod 107, it is convenient to pull the two L-shaped rods 106 at the same time, and the spring 2 110 can drive the L-shaped rod 106 to reset.

[0028] Specifically, by pulling the pull rod 107 forward, the pull rod 107 drives the L-shaped rod 106 to move forward, and the L-shaped rod 106 drives multiple insertion rods 104 to move forward through the connecting plate five 105, so that the slider 103 is released from the restriction, and then the two placement plates 6 are moved to adjust the distance between the two. After adjustment, the pull rod 107 is released, and the corresponding insertion rod 104 is automatically inserted into the fixing groove under the action of the spring two 110 to fix the placement plate 6, so that the device can adjust the placement position according to the size of the fabric.

[0029] The tensile test method for flexible and elastic fabrics for textile use comprises the following steps: Step 1: multiple fabrics are placed on top of the placement plate 6, and the support plate supports the fabrics 95, and the two ends of the fabrics are respectively located on the top of the two placement plates 6; Step 2: Start the motor 71 to drive the screw rod 1 72 to rotate, and the screw rod 2 711 and the screw rod 1 72 are driven by the transmission wheel 1 78, the conveyor belt 79 and the transmission wheel 2 710 to rotate synchronously in the same direction, so that the two connecting plates 1 74 drive the two pressing rods 77 to move downward to press the two ends of the fabric through the two connecting plates 2 75 and the two U-shaped rods 76; Step 3: Start the hydraulic rod to drive the mounting plate to move downward, and the mounting plate drives the pressure sensor to move downward through the vertical rod to squeeze the fixed fabric, thereby performing a tensile test on the fabric, and then read the test data through the display screen on the device.

[0030] The soft and elastic fabric is applied to the soft and elastic fabric mentioned above.

[0031] The working principle of the present invention is as follows: by placing multiple fabrics on the top of the placement plate 6, and making the two ends of the fabrics respectively located on the top of the two placement plates 6, then starting the motor 71 to drive the screw rod 1 72 to rotate, and through the transmission of the transmission wheel 1 78, the conveyor belt 79 and the transmission wheel 2 710, the screw rod 2 711 and the screw rod 1 72 are synchronously rotated in the same direction, so that the two connecting plates 1 74 drive the two pressure rods 77 to move down and press the two ends of the multiple fabrics through the two connecting plates 2 75 and the two U-shaped rods 76, and then start the hydraulic rod to drive the mounting plate to move down, and the mounting plate drives the pressure sensor to move down through the vertical rod to squeeze the fixed fabrics, so as to perform a tensile test on the fabrics. The device can perform synchronous tests on multiple fabric samples at the same time, reducing the workload of the staff and improving the test efficiency; during the test, the support plate 95 supports the placed fabric to prevent it from falling, and when the fabric is fixed, the connecting plate 1 74 drives the squeezing rod 91 to move down The extrusion rod 91 drives the movable rod 94 to shrink toward the rectangular sleeve 96 through the connecting plate four 92, and the movable rod 94 drives the support plate 95 to move downward, so as not to hinder the downward pressure of the pressure sensor. The device simultaneously moves the support plate 95 downward while being fixed, thereby improving the functionality of the device; by loosening the fastening bolts on the fixing plate 86, the pressure rod 77 can be moved left and right to adjust the position, and the pressure rod 77 can be fixed by tightening the fastening bolts after adjustment, so that the device can adjust the fixed position according to the size of the fabric; by pulling the pull rod 107 forward, the pull rod 107 drives the L-shaped rod 106 to move forward, and the L-shaped rod 106 drives multiple insertion rods 104 to move forward through the connecting plate five 105, so that the slider 103 is released from the restriction, and then the two placement plates 6 are moved to adjust the distance between the two. After adjustment, the pull rod 107 is released, and the corresponding insertion rod 104 is automatically inserted into the fixing groove under the action of the spring two 110 to fix the placement plate 6, so that the device can adjust the placement position according to the size of the fabric.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A tensile testing device for textile flexible fabrics, characterized in that: include: A base (1), a U-shaped plate (2), a fixing rod (3), a supporting plate (4), a column (5), a placement plate (6), a fixing mechanism (7), an adjusting mechanism (8), a supporting mechanism (9) and a transforming mechanism (10); The U-shaped plate (2) and the fixing rod (3) are both fixedly mounted on the top of the base (1); the support plate (4) is fixedly connected to the top of the fixing rod (3); the column (5) is fixedly connected to the top of the support plate (4); the placement plate (6) is arranged on the top of the column (5); a hydraulic rod is fixedly mounted on the top of the inner wall of the U-shaped plate (2); a mounting plate is arranged at the output end of the hydraulic rod; and a vertical rod and a pressure sensor are arranged at the bottom of the mounting plate; The fixing mechanism (7), the adjusting mechanism (8), the supporting mechanism (9) and the changing mechanism (10) are all arranged on the top of the base (1); The fixing mechanism (7) comprises a screw rod 1 (72), a screw rod 2 (711), two connecting plates 1 (74), two connecting plates 2 (75), two U-shaped rods (76) and two pressure rods (77); the screw rod 1 (72) and the screw rod 2 (711) respectively penetrate the two connecting plates 1 (74) and are threadedly connected to the two connecting plates 1 (74); the bottom of the screw rod 2 (711) is rotatably connected to the top of the base (1) via a bearing 1; the two connecting plates 1 (74) are respectively fixedly connected to the two connecting plates 2 (75); the two connecting plates 2 (75) are fixedly connected between the two U-shaped rods (76); and the two pressure rods (77) are arranged at the bottom of the two U-shaped rods (76).

2. The textile flexible fabric tensile testing device according to claim 1, characterized in that: A motor (71) is fixedly mounted on the top of the base (1), and the output end of the motor (71) is rotatably connected to the bottom of the first screw rod (72) through a coupling rod; a connecting plate (73) and a limiting rod (712) are fixedly connected to the left and right sides of the inner wall of the U-shaped plate (2); the tops of the first screw rod (72) and the second screw rod (711) are rotatably connected to the bottoms of the two connecting plates (73) through bearings (2); the limiting rod (712) penetrates the first connecting plate (74) and is slidably connected to the first connecting plate (74); a transmission wheel (78) and a transmission wheel (710) are fixedly sleeved on the outer walls of the coupling rod and the second screw rod (711) respectively; a conveyor belt (79) is sleeved on the first driving wheel (78) and the second driving wheel (710); and the conveyor belt (79) is movably connected to the first driving wheel (78) and the second driving wheel (710).

3. The textile elastic fabric tensile testing device according to claim 1, characterized in that: The adjusting mechanism (8) comprises an adjusting rod (81), a slide groove (82) and a sliding rod (83), wherein the sliding rod (83) is fixedly connected to the top of the pressure rod (77), the slide groove (82) is opened at the bottom of the adjusting rod (81), and the top of the sliding rod (83) is slidably connected to the inside of the slide groove (82), and the adjusting rod (81) is fixedly connected to the bottom of the U-shaped rod (76).

4. The textile flexible fabric tensile testing device according to claim 3, characterized in that: The inner wall of the slide groove (82) is provided with a limit groove (84), the inner part of the limit groove (84) is slidably connected with a round block (85), and the round block (85) is fixedly connected to the outer wall of the slide rod (83), the outer wall of the slide rod (83) is fixedly connected with a fixing plate (86), and the fixing plate (86) is threadedly connected with a fastening bolt, and the fixing plate (86) is slidably connected to the bottom of the adjustment rod (81).

5. The textile flexible fabric tensile testing device according to claim 1, characterized in that: The support mechanism (9) comprises a rectangular sleeve (96), a spring (97), a movable rod (94) and a support plate (95); the support plate (95) is fixedly connected to the top of the movable rod (94); the rectangular sleeve (96) is fixedly connected to the top of the support plate (4); the bottom of the movable rod (94) is slidably connected to the inside of the rectangular sleeve (96); the spring (97) is arranged inside the rectangular sleeve (96) and has two ends fixedly connected to the bottom of the movable rod (94) and the top of the support plate (4), respectively.

6. The textile flexible fabric tensile testing device according to claim 5, characterized in that: The column (5) is provided with a through hole (93), the bottom of the connecting plate 1 (74) is fixedly connected to an extrusion rod (91), and the bottom of the extrusion rod (91) is provided with a connecting plate 4 (92), the connecting plate 4 (92) is fixedly connected to the outer wall of the movable rod (94), and passes through the through hole (93) to be slidably connected to the through hole (93).

7. The textile flexible fabric tensile testing device according to claim 1, characterized in that: The transformation mechanism (10) comprises an adjusting rod (101), a sliding groove (102), a slider (103), an insert rod (104) and a connecting plate (105). The adjusting rod (101) is fixedly connected to the top of the column (5), the slider (103) is fixedly connected to the bottom of the placement plate (6), the sliding groove (102) is arranged at the top of the adjusting rod (101), and the slider (103) is slidably connected to the inside of the sliding groove (102), the outer wall of the slider (103) is provided with a fixing groove, one end of the insert rod (104) passes through the front side of the adjusting rod (101) and extends to the inside of the fixing groove, and the insert rod (104) is slidably connected to the adjusting rod (101) and the fixing groove, and the connecting plate (105) is fixedly connected to the other end of the insert rod (104).

8. The textile flexible fabric tensile testing device according to claim 7, characterized in that: The front side of the connecting plate five (105) is fixedly connected to an L-shaped rod (106), the front side of the L-shaped rod (106) is fixedly connected to a pull rod (107), the front side of the supporting plate (4) is fixedly connected to a round rod (108), and the round rod (108) passes through the L-shaped rod (106) and is slidably connected to the L-shaped rod (106), the front end of the round rod (108) is fixedly connected to a round plate (109), the outer wall of the round rod (108) is sleeved with a spring two (110), and the two ends of the spring two (110) are respectively fixedly connected to the outer wall of the round plate (109) and the outer wall of the L-shaped rod (106).

9. According to the stretch testing device for textile flexible elastic fabrics according to any one of claims 1 to 8, a stretch testing method for textile flexible elastic fabrics is proposed, characterized in that: The following steps are involved: Step 1: placing a plurality of fabrics on top of a placement plate (6), with the support plate (95) supporting the fabrics, and with both ends of the fabrics respectively located on top of two placement plates (6); Step 2: The screw rod 1 (72) is driven to rotate by starting the motor (71), and the screw rod 2 (711) is driven by the transmission wheel 1 (78), the conveyor belt (79) and the transmission wheel 2 (710) to rotate synchronously with the screw rod 1 (72) in the same direction, so that the two connecting plates 1 (74) drive the two pressure rods (77) to move downward and press the two ends of the fabric through the two connecting plates 2 (75) and the two U-shaped rods (76); Step 3: Start the hydraulic rod to drive the mounting plate to move downward, and the mounting plate drives the pressure sensor to move downward through the vertical rod to squeeze the fixed fabric, thereby performing a tensile test on the fabric, and then read the test data through the display screen on the device.

10. Soft elastic fabric, characterized in that: Applicable to the soft and elastic fabric described in claim 9.

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