Multifunctional fabric detection device

Abstract

The invention relates to the technical field of fabric detection, and particularly provides a multifunctional fabric detection device which comprises a base, a fixing frame, a stretching detection mechanism and a function conversion detection mechanism. Through cooperation of the stretching detection mechanism and the function conversion detection mechanism, vertical stretching, bending stretching in different directions and bending stretching in different positions of a fabric can be achieved, possible conditions of the fabric in the actual use process can be simulated, more accurate detection data can be provided, wear resistance detection can be conducted on the fabric, and the detection accuracy is improved. Therefore, integrated multifunctional detection of multi-directional bending and stretching and wear resistance of the fabric is realized, the detection cost of the fabric is reduced, the use flexibility and functional effect of the fabric detection device are greatly improved, and the performance of the fabric can be comprehensively evaluated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fabric detection, and specifically provides a multifunctional fabric detection device. BACKGROUND

[0002] In order to ensure that the quality of the garment fabric meets the relevant standards after production, the fabric needs to be detected for performance such as tensile property, wear resistance, wrinkle resistance, and flame resistance.

[0003] However, the following problems exist in the performance detection of the fabric: 1. The detection device detects a single performance, either single tensile and breaking performance detection or single wear resistance detection, and two detection devices need to be used in cooperation when detecting the tensile and wear resistance of the fabric, thereby increasing the detection cost.

[0004] 2. The existing detection equipment only detects the tensile property of the fabric in a vertical state when detecting the tensile and breaking performance of the fabric, but the fabric undergoes various complex bending and stretching actions in the use process, such as the knee part, elbow, and other parts that are often subjected to bending and stretching, and fatigue damage is prone to occur in these parts, so it is difficult to comprehensively evaluate the tensile property of the fabric by single vertical tensile fabric. SUMMARY

[0005] In view of the above problems, the present application provides a multifunctional fabric detection device to solve the technical problems in the related art.

[0006] In order to achieve the above purpose, the present application provides the following technical scheme: a multifunctional fabric detection device, comprising a base and a fixing frame installed on the top of the base, the fixing frame is in an inverted U-shaped structure, a tensile detection mechanism is installed between the two vertical sections of the fixing frame, the tensile detection mechanism comprises a lifting plate slidingly connected between the two vertical sections of the fixing frame, the opposite surfaces of the lifting plate and the base are both provided with a clamping group for clamping the end of the fabric, the tensile detection mechanism and the clamping group are both existing structures, and the two ends of the fabric are clamped and then subjected to tensile property detection.

[0007] A function conversion detection mechanism is commonly installed on the two vertical sections of the fixing frame, the function conversion detection mechanism comprises two abutting heads, a mounting hole is formed in the middle of one of the abutting heads, a friction disc sliding up and down is connected to the mounting hole, a lifting seat sliding up and down is connected to one side of the vertical section of the fixing frame along the width direction of the vertical section, the side walls of the two abutting heads are connected through a connecting strip, the abutting head provided with the friction disc is fixedly connected with the connecting strip, the other abutting head is slidingly connected with the connecting strip through an elastic clamping group to adjust the distance between the two abutting heads, and a support assembly sliding horizontally connected with the adjacent connecting strip of the lifting seat is installed on the lifting seat.

[0008] The umbrella-shaped support is arranged between the two lifting seats, the middle part of the umbrella-shaped support is arranged with a bending driving element, the bending driving element is used for driving the two abutting heads to slide along the width direction of the fixed frame; the side walls of the two lifting seats are arranged with a fixed box through a connecting plate, the fixed box is arranged with a friction driving group which is used for driving the friction disc to move up and down to detect the wear resistance of the fabric, and the base is arranged with a lifting driving group which is used for driving the fixed box to move up and down.

[0009] In a possible implementation, the two abutting heads are rectangular structures, and the opposite sides of the two abutting heads are arc-shaped.

[0010] In a possible implementation, the umbrella-shaped support is composed of a fixed ring, four inclined rods which are arranged on the outer ring surface of the fixed ring in the circumferential direction and are connected with the corresponding lifting seats, and connecting strips which are located between the upper and lower inclined rods on the same side, and the fixed ring is connected with the threaded cylinder through threaded cooperation.

[0011] In a possible implementation, the bending driving element is composed of a threaded cylinder which is rotatably connected with the middle part of the umbrella-shaped support through threaded cooperation and a rotating disc which is fixedly arranged at the end of the threaded cylinder, and the two connecting strips are rotatably connected with the threaded cylinder through a fixed sleeve which is away from the rotating disc.

[0012] In a possible implementation, the supporting assembly includes L-shaped supports which are slidably connected with the opposite sides of the two vertical sections of the fixed frame, the fixed frame is arranged with guide sliding grooves for the lifting seats to slide up and down and sliding grooves for the L-shaped supports to slide, the guide sliding grooves are communicated with the sliding grooves, the L-shaped supports are fixedly connected with the lifting seats after penetrating through the sliding grooves, the two connecting strips are slidably clamped on the opposite horizontal sections of the two L-shaped supports, and the ends of the L-shaped supports which are away from the sliding grooves are connected with the lifting seats through rib plates.

[0013] In a possible implementation, the elastic clamping group includes spring grooves which are arranged on the connecting strips, the abutting heads which are away from the friction discs are slidably connected with the spring grooves, and the spring grooves and the abutting heads are arranged with push springs, the side walls of the abutting heads which are away from the friction discs are arranged with two L-shaped grooves, the L-shaped grooves are slidably connected with L-shaped inserting rods, the L-shaped inserting rods and the L-shaped grooves are connected through return springs, and the spring grooves are arranged with two clamping grooves which are inserted with the L-shaped inserting rods.

[0014] In a possible implementation, the top of the fixed box and the two lifting seats are arranged with supplementary rods, the two supplementary rods are arranged in a splayed shape with large-diameter ends facing the fixed frame, and the two connecting plates are arranged in a splayed shape with large-diameter ends facing the fixed frame.

[0015] In a possible implementation mode, the friction drive group comprises a sleeve rotatably connected to the abutting head with a friction disc connected thereto, a lifting transmission assembly is arranged between the sleeve and the friction disc to drive the friction disc to move up and down when the sleeve rotates, the sleeve penetrates through the inner wall of the threaded cylinder without contacting the inner wall of the threaded cylinder, a rotating shaft sliding along the axial direction of the sleeve is connected to the sleeve by means of spline connection, and the rotating shaft penetrates into the fixed box.

[0016] In a possible implementation mode, the lifting transmission assembly comprises a rectangular frame fixedly connected to the friction disc, the two vertical sections of the rectangular frame are provided with racks on the opposite surfaces, and an incomplete gear is fixedly sleeved on the end of the sleeve and intermittently engaged with the two racks for transmission.

[0017] In a possible implementation mode, the lifting drive group comprises a support seat arranged on the base, and a screw rod is rotatably connected to the support seat and connected to the fixed box by means of threaded connection.

[0018] The above one or more technical solutions in the embodiment of the present application have at least one of the following beneficial effects: 1. The fabric multifunctional detection device designed by the present application can realize vertical stretching, bending stretching in different directions, and bending stretching in different positions of the fabric by cooperating the stretching detection mechanism with the function conversion detection mechanism, simulate the situation that the fabric may encounter in actual use, provide more accurate detection data, and also can detect the wear resistance of the fabric, so as to realize the multifunctional detection of the fabric multidirectional bending stretching and wear resistance integration, reduce the detection cost of the fabric, greatly improve the flexibility and function effect of the fabric detection device, and also can comprehensively evaluate the performance of the fabric.

[0019] 2. The lifting drive group drives the function conversion detection mechanism to move up and down and cooperates with the bending drive piece, which can realize the pushing deformation of the fabric at different positions, and also can adjust the height of the abutting head according to the length of the fabric sample to be detected, further improving the flexibility of the fabric detection.

[0020] 3. The two abutting heads in the present application can push the fabric to bend when the fabric is stretched, and also can provide support force for the fabric when the friction disc rubs the fabric during wear resistance detection of the fabric, and the two abutting heads can be converted between the two performance detections of the fabric, achieving the effect of one machine with multiple functions. BRIEF DESCRIPTION OF DRAWINGS

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the first overall three-dimensional structure of the present invention.

[0023] Figure 2 This is a schematic diagram of the second overall three-dimensional structure of the present invention.

[0024] Figure 3 This is a partial three-dimensional structural diagram of the functional conversion detection mechanism of the present invention.

[0025] Figure 4 This is the present invention. Figure 3 A magnified view of part A.

[0026] Figure 5 This is a top cross-sectional view of the elastic snap-fit ​​assembly of the present invention.

[0027] Figure 6 The present invention provides a functional conversion testing mechanism that measures the various states of fabric deformation under pressure (where ab and cd are two sets of friction test diagrams under different degrees of curvature in the same direction, ad and bc are two sets of friction test diagrams under different curvature directions with the same degree of curvature, and e and f are two friction test diagrams under different curvature directions with the same degree of curvature. The difference between e and f and a, b, c, and d is that the curvature positions are different).

[0028] Reference numerals: 1. Base; 2. Fixing frame; 3. Tensile testing mechanism; 4. Lifting plate; 5. Clamping assembly; 6. Function conversion testing mechanism; 60. Contact head; 61. Mounting hole; 62. Friction disc; 63. Lifting seat; 64. Connecting bar; 65. Elastic snap-fit ​​assembly; 650. L-shaped groove; 651. Push spring; 652. Return spring; 653. Slot; 654. L-shaped insert rod; 66. Support assembly; 660. L-shaped bracket; 6 61. Sliding groove; 662. Guide groove; 663. Rib plate; 7. Umbrella-shaped bracket; 70. Bending drive component; 701. Threaded cylinder; 702. Turntable; 71. Connecting plate; 72. Fixing box; 720. Supplementary rod; 73. Friction drive assembly; 730. Sleeve; 731. Rotating shaft; 732. Rectangular frame; 733. Rack; 734. Incomplete gear; 74. Lifting drive assembly; 740. Support seat; 741. Screw; 8. Fabric. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] See Figure 1 and Figure 2 A multifunctional fabric testing device includes a base 1 and a fixed frame 2 mounted on its top. The fixed frame 2 has an inverted U-shaped structure. A tensile testing mechanism 3 is installed between two vertical sections of the fixed frame 2. The tensile testing mechanism 3 includes a lifting plate 4 that is slidably connected between the two vertical sections of the fixed frame 2. A clamping group 5 for clamping the ends of the fabric 8 is installed on the opposite side of the lifting plate 4 and the base 1. Both the tensile testing mechanism 3 and the clamping group 5 are existing structures used to clamp the two ends of the fabric 8 and then perform tensile performance testing.

[0032] It should be noted that, in order to monitor the tension value of the fabric 8 when it is stretched in real time, an S-shaped tension sensor can be installed between the clamping group 5 and the lifting plate 4, and between the clamping group 5 and the base 1. When the fabric 8 is stretched by the tension, the tension transmitted by the clamping group 5 acts on the S-shaped tension sensor, and the tension change value during the stretching process is collected in real time.

[0033] See Figure 1 , Figure 2 , Figure 4 and Figure 5 A function conversion detection mechanism 6 is installed on both vertical sections of the fixed frame 2. The function conversion detection mechanism 6 includes two contact heads 60. One of the contact heads 60 has a mounting hole 61 in the middle. A friction disc 62 that slides up and down is connected to the mounting hole 61. A lifting seat 63 is slidably connected to one side of the vertical section of the fixed frame 2 along its width direction. The side walls of the two contact heads 60 are connected by a connecting strip 64. The contact head 60 with the friction disc 62 is fixedly connected to the connecting strip 64. The other contact head 60 is slidably connected to the connecting strip 64 through an elastic snap-fit ​​assembly 65 to adjust the distance between the two contact heads 60. A support assembly 66 that is horizontally slidably connected to the adjacent connecting strip 64 is installed on the lifting seat 63.

[0034] See Figure 2 and Figure 6An umbrella-shaped bracket 7 is installed between the two lifting seats 63. A bending drive component 70 is installed in the middle of the umbrella-shaped bracket 7. The bending drive component 70 is used to drive the two contact heads 60 to slide along the width direction of the fixed frame 2. The side walls of the two lifting seats 63 are connected by a connecting plate 71 and a fixed box 72 is installed together. A friction drive assembly 73 is installed on the fixed box 72 to drive the friction disc 62 to move up and down to test the abrasion resistance of the fabric 8. A lifting drive assembly 74 is installed on the base 1 to drive the fixed box 72 to drive the function conversion detection mechanism 6 to move up and down.

[0035] See Figure 6 Before the fabric 8 is subjected to a tensile test, the two contact heads 60 are in a state of being far apart. At this time, the bending drive 70 drives the connecting strip 64 and the two contact heads 60 to move horizontally along the width direction of the fixing frame 2. The contact heads 60 push the fabric 8 from a vertical state to a V-shaped state with the opening facing the fixing box 72 or a V-shaped state with the opening facing away from the fixing box 72. Then, the tensile testing mechanism 3 is started to stretch both ends of the fabric 8, thereby simulating the tensile performance test of both ends when the fabric 8 is subjected to bending force with stress concentration at different positions.

[0036] The lifting drive group 74 drives the function conversion detection mechanism 6 to move up and down and cooperate with the bending drive component 70. This can not only push and deform the fabric 8 at different positions, but also adjust the height of the contact head 60 according to the length of the fabric 8 to be tested. After the two ends of the fabric 8 are fixed by the clamping group 5, the elastic snap-fit ​​group 65 pushes the contact head 60, which is slidably connected to the connecting strip 64, to move, so that the two contact heads 60 press the fabric 8 together. Then, the friction drive group 73 drives the friction disc 62 to move up and down, thereby testing the abrasion resistance of the fabric 8.

[0037] In summary, the tensile testing mechanism 3, in conjunction with the functional conversion testing mechanism 6, enables multifunctional testing of fabric 8, including vertical tensile testing, bending tensile testing in different directions, bending tensile testing at different positions, and abrasion resistance testing. This greatly improves the flexibility and effectiveness of the fabric 8 testing device and allows for a comprehensive understanding of the fabric 8's performance.

[0038] It should be noted that: This invention Figure 6 The diagrams for the various fabric deformation states corresponding to a, b, c, d, e, and f are shown. Among them, ab and cd are two sets of friction test diagrams under different degrees of bending in the same direction, ad and bc are two sets of friction test diagrams under different bending directions with the same degree of bending, and e and f are two friction test diagrams under different bending directions with the same degree of bending. The difference between e and f and a, b, c, and d is that the bending position is different.

[0039] See Figure 4Both of the abutment heads 60 are rectangular structures, and the upper and lower sides of the opposite surfaces of the two abutment heads 60 are arc-shaped. This avoids the problem that when the abutment heads 60 push and deform the fabric 8, the upper and lower sides of the opposite surfaces of the two abutment heads 60 will scratch the fabric 8 and affect the accuracy of the tensile performance test of the fabric 8.

[0040] See Figure 2 , Figure 3 and Figure 4 The bending drive component 70 consists of a threaded cylinder 701 rotatably connected to the middle of the umbrella-shaped bracket 7 via a threaded connection and a turntable 702 fixedly installed at the end of the threaded cylinder 701. The two connecting strips 64 are rotatably connected to the end of the threaded cylinder 701 away from the turntable 702 via a fixed sleeve.

[0041] In use, the turntable 702 is manually rotated, which drives the threaded cylinder 701 to rotate. The threaded cylinder 701 moves along the axial direction of the threaded cylinder 701 through its threaded engagement with the middle of the umbrella-shaped bracket 7. When the threaded cylinder 701 moves, it drives the connecting strip 64 and the contact head 60 to move along the axial direction of the threaded cylinder 701, thereby causing the contact head 60 to push the fabric 8 to deform.

[0042] See Figure 2 The umbrella-shaped bracket 7 consists of a fixed ring and four inclined rods arranged circumferentially on its outer ring surface and connected to the corresponding lifting seat 63. The connecting strip 64 is located between the upper and lower inclined rods on the same side. The fixed ring and the threaded cylinder 701 are connected by a threaded engagement, thereby preventing the umbrella-shaped bracket 7 from affecting the movement of the contact head 60 and the connecting strip 64 or the bending and deformation of the fabric 8.

[0043] See Figure 2 and Figure 3 The support assembly 66 includes an L-shaped bracket 660 whose two vertical sections of the fixed frame 2 are slidably connected vertically. The fixed frame 2 is provided with a guide groove 662 for the lifting seat 63 to slide vertically and a sliding groove 661 for the L-shaped bracket 660 to slide. The guide groove 662 and the sliding groove 661 are connected. The L-shaped bracket 660 passes through the sliding groove 661 and is fixedly connected to the lifting seat 63. Two connecting strips 64 are respectively slidably fitted on the relative horizontal sections of the two L-shaped brackets 660. The end of the L-shaped bracket 660 away from the sliding groove 661 is connected to the lifting seat 63 through a rib plate 663.

[0044] One end of the L-shaped bracket 660 is connected to the lifting seat 63 via the rib plate 663, which prevents the end of the L-shaped bracket 660 from being suspended in the air, thereby improving the stability of the L-shaped bracket 660. When the threaded cylinder 701 rotates and moves, the threaded cylinder 701 drives the connecting bar 64 to slide on the L-shaped bracket 660, so that the connecting bar 64 always has a guiding support force during the movement, which greatly improves the stability of the movement of the connecting bar 64 and the contact head 60.

[0045] See Figure 1 , Figure 4 and Figure 5 The elastic snap-fit ​​assembly 65 includes a spring groove on the connecting strip 64, an abutment head 60 away from the friction disc 62 is slidably connected to the spring groove, and a push spring 651 is installed between the spring groove and the abutment head 60. Two L-shaped grooves 650 are opened on the side wall of the abutment head 60 away from the friction disc 62. An L-shaped insert rod 654 is slidably connected in the L-shaped groove 650. The L-shaped insert rod 654 is connected to the L-shaped groove 650 by a reset spring 652. Two snap-fit ​​slots 653 are opened in the spring groove to be inserted into the L-shaped insert rod 654.

[0046] When the abrasion resistance of fabric 8 needs to be tested, the two L-shaped inserts 654 are manually squeezed. At this time, the return spring 652 contracts, and the L-shaped inserts 654 move out of the slot 653 on the side away from the friction disc 62. Then, the contact head 60 connected to the L-shaped insert 654 is manually pushed to move to the other contact head 60 until the two contact heads 60 press the fabric 8 tightly. At this time, the L-shaped inserts 654 are released, and the L-shaped inserts 654 are inserted into the slot 653 near the friction disc 62 under the elastic force of the return spring 652. This ensures that when the friction disc 62 tests the abrasion resistance of fabric 8, both sides of the fabric 8 are in close contact with the two contact heads 60, preventing the fabric 8 from deforming under its own elasticity, which would make it difficult for the friction disc 62 to accurately test the abrasion resistance of the fabric 8.

[0047] See Figure 2 Supplementary rods 720 are installed between the top of the fixed box 72 and the two lifting seats 63. The two supplementary rods 720 are arranged in a V-shape with their large diameters facing the fixed frame 2. The two connecting plates 71 are also arranged in a V-shape with their large diameters facing the fixed frame 2. This avoids the problem that when the two contact heads 60 pull the fabric 8 to one side of the fixed box 72, the connecting plates 71 and supplementary rods 720 will obstruct the fabric 8 and affect the accuracy of the tensile performance test of the fabric 8.

[0048] See Figure 2 , Figure 3 , Figure 4 and Figure 6The friction drive assembly 73 includes a sleeve 730 rotatably connected to the contact head 60 connected to the friction disk 62. A lifting transmission assembly is installed between the sleeve 730 and the friction disk 62 to drive the friction disk 62 to move up and down when the sleeve 730 rotates. The sleeve 730 passes through the inner wall of the threaded cylinder 701 without contacting the inner wall of the threaded cylinder 701. A rotating shaft 731 that slides along its axial direction is connected inside the sleeve 730 by a spline engagement. The rotating shaft 731 rotates and passes into the fixed box 72.

[0049] See Figure 4 The lifting transmission assembly includes a rectangular frame 732 fixedly connected to the friction disc 62. Racks 733 are installed on the opposite surfaces of the two vertical sections of the rectangular frame 732. An incomplete gear 734 that intermittently meshes with the two racks 733 is fixedly sleeved at the end of the sleeve 730.

[0050] When the contact head 60 and the connecting bar 64 move horizontally, they drive the sleeve 730 to move as well. The sleeve 730 slides along the axial direction of the rotating shaft 731, so that the horizontal movement of the contact head 60 and the rotation of the friction disc 62 do not affect each other. The fixed box 72 is equipped with a motor (not shown in the figure) that drives the rotating shaft 731 to rotate. The rotating shaft 731 drives the sleeve 730 to rotate through a spline connection. During the rotation, the sleeve 730 drives the incomplete gear 734 to rotate. The incomplete gear 734 drives the friction disc 62 to move up and down by intermittently meshing with the two racks 733, so that the friction disc 62 performs abrasion resistance testing on the fabric 8.

[0051] See Figure 2 and Figure 3 The lifting drive assembly 74 includes a support base 740 mounted on the base 1, and a screw 741 rotatably connected to the support base 740. The screw 741 is connected to the fixed box 72 by a threaded connection.

[0052] By rotating the screw 741, the fixed box 72, which is threadedly engaged with the screw 741, moves up and down, thereby causing the fixed box 72 to move up and down the two lifting seats 63 and the contact head 60.

[0053] See Figures 1-6In specific operation, when the fabric 8 is placed, its middle part is located between the two abutment heads 60, and its two ends are fixed by the clamping group 5. Before the stretch test of the fabric 8, the two abutment heads 60 are in a state of being far apart. At this time, the bending drive 70 drives the connecting strip 64 and the two abutment heads 60 to move horizontally along the width direction of the fixing frame 2. The abutment heads 60 push the fabric 8 from a vertical state to a V-shaped state with the opening facing the fixing box 72 or a V-shaped state with the opening facing away from the fixing box 72. Then the stretch test mechanism 3 is started to stretch the two ends of the fabric 8, thereby simulating the stretch performance test of the fabric 8 under the action of stress concentration bending force at different positions.

[0054] The lifting drive group 74 drives the function conversion detection mechanism 6 to move up and down and cooperate with the bending drive component 70. This can not only achieve the pushing deformation of the fabric 8 at different positions, but also adjust the height of the contact head 60 according to the length of the fabric 8 to be tested. The tensile testing mechanism 3 cooperates with the existing tensile tester to record the maximum force that the fabric 8 can withstand before breaking under tensile force, thereby determining the tensile performance of the fabric 8.

[0055] When testing the abrasion resistance of fabric 8: After the two ends of fabric 8 are fixed by clamping group 5, the abutment head 60 slidably connected to the connecting strip 64 is moved by elastic snap-fit ​​group 65, so that the two abutment heads 60 press the fabric 8 together. Then, the friction drive group 73 drives the friction disc 62 to move up and down, thereby testing the abrasion resistance of fabric 8. Then, fabric 8 is removed to check the wear condition of fabric 8.

[0056] In summary, the tensile testing mechanism 3, in conjunction with the functional conversion testing mechanism 6, enables multifunctional testing of fabric 8, including vertical tensile testing, bending tensile testing in different directions, bending tensile testing at different positions, and abrasion resistance testing. This greatly improves the flexibility and effectiveness of the fabric 8 testing device and allows for a comprehensive understanding of the fabric 8's performance.

[0057] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0058] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," "installed," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0059] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A multifunctional fabric testing device, comprising a base and a fixed frame mounted on its top, the fixed frame having an inverted U-shape, a tensile testing mechanism mounted on the fixed frame, the tensile testing mechanism comprising a lifting plate slidably connected vertically between two vertical sections of the fixed frame, and clamping assemblies for clamping the ends of the fabric mounted on the opposite surfaces of the lifting plate and the base, characterized in that: A function conversion detection mechanism is installed on the fixed frame. The function conversion detection mechanism includes two contact heads. One of the contact heads has a mounting hole in the middle. A friction disc that slides up and down is connected to the mounting hole. A lifting seat is slidably connected to the vertical section of the fixed frame. The side walls of the two contact heads are connected by a connecting strip. The contact head with the friction disc is fixedly connected to the connecting strip. The other contact head is slidably connected to the connecting strip through an elastic snap-fit ​​assembly to adjust the distance between the two contact heads. A support component that is horizontally slidably connected to the adjacent connecting strip is installed on the lifting seat. An umbrella-shaped bracket is installed between the two lifting seats. A bending drive is installed in the middle of the umbrella-shaped bracket. The bending drive is used to drive the two contact heads to slide along the width of the fixed frame. The side walls of the two lifting seats are connected by a connecting plate and a fixed box is installed together. A friction drive group is installed on the fixed box to drive the friction disc to move up and down to test the abrasion resistance of the fabric. A lifting drive group is installed on the base to drive the fixed box to drive the function conversion detection mechanism to move up and down. The tensile testing mechanism works in conjunction with the functional conversion testing mechanism to perform multifunctional testing on fabrics, including vertical tensile testing, bending tensile testing in different directions, bending tensile testing in different positions, and abrasion resistance testing.

2. The multifunctional fabric testing device according to claim 1, characterized in that: The support assembly includes an L-shaped bracket whose two vertical sections of the fixed frame are slidably connected vertically. The fixed frame has a guide groove for the lifting seat to slide vertically and a sliding groove for the L-shaped bracket to slide. The guide groove and the sliding groove are connected. The L-shaped bracket passes through the sliding groove and is fixedly connected to the lifting seat. Two connecting strips are slidably fitted on the relative horizontal sections of the two L-shaped brackets. The end of the L-shaped bracket away from the sliding groove is connected to the lifting seat through a rib.

3. The multifunctional fabric testing device according to claim 1, characterized in that: The elastic snap-fit ​​assembly includes a spring groove on the connecting strip, an abutment head away from the friction disc that is slidably connected to the spring groove, and a push spring installed between the spring groove and the abutment head. Two L-shaped grooves are opened on the side wall of the abutment head away from the friction disc, and an L-shaped insert rod is slidably connected in the L-shaped groove. The L-shaped insert rod is connected to the L-shaped groove by a return spring, and two snap-fit ​​slots are opened in the spring groove for insertion into the L-shaped insert rod.

4. The multifunctional fabric testing device according to claim 1, characterized in that: The bending drive consists of a threaded cylinder rotatably connected to the middle of the umbrella-shaped bracket by a threaded connection and a turntable fixedly installed at the end of the threaded cylinder. The two connecting strips are rotatably connected to the end of the threaded cylinder away from the turntable by a fixed sleeve.

5. The multifunctional fabric testing device according to claim 4, characterized in that: The friction drive assembly includes a sleeve rotatably connected to a contact head connected to a friction disc. A lifting transmission assembly is installed between the sleeve and the friction disc to drive the friction disc to move up and down when the sleeve rotates. The sleeve passes through the inner wall of the threaded cylinder without contacting the inner wall of the threaded cylinder. A rotating shaft that slides along its axial direction is connected inside the sleeve by a spline engagement. The rotating shaft rotates and passes into the fixed box.

6. The multifunctional fabric testing device according to claim 5, characterized in that: The lifting transmission assembly includes a rectangular frame fixedly connected to the friction disc. Racks are installed on the opposite surfaces of the two vertical sections of the rectangular frame, and an incomplete gear that intermittently meshes with the two racks is fixedly sleeved at the end of the sleeve.

7. The multifunctional fabric testing device according to claim 1, characterized in that: Supplementary rods are installed between the top of the fixed box and the two lifting seats. The two supplementary rods are arranged in a figure-eight shape with the larger diameter facing the fixed frame. The two connecting plates are also arranged in a figure-eight shape with the larger diameter facing the fixed frame.

8. The multifunctional fabric testing device according to claim 4, characterized in that: The umbrella-shaped support consists of a fixed ring and four inclined rods arranged circumferentially on its outer ring surface and connected to the corresponding lifting seat. The connecting strip is located between the upper and lower inclined rods on the same side, and the fixed ring and the threaded cylinder are connected by a threaded engagement.

9. The multifunctional fabric testing device according to claim 1, characterized in that: The lifting drive assembly includes a support base mounted on the base, and a screw is rotatably connected to the support base. The screw is connected to the fixed box by a threaded connection.

10. The multifunctional fabric detection device according to claim 1, characterized in that: Both of the aforementioned contact heads are rectangular in structure, and the top and bottom sides of the opposing surfaces of the two contact heads are arc-shaped.

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