Tensile testing device for knitted fabric

Abstract

The utility model provides a tensile testing device for knitted fabric, which comprises a main body, a lifting mechanism arranged in the main body, a tension tester arranged on the lifting mechanism, a movable clamping mechanism arranged on the tension tester, and a fixed clamping mechanism arranged right below the main body corresponding to the movable clamping mechanism, the movable clamping mechanism and the fixed clamping mechanism are both finger air cylinders, clamping assemblies are arranged at the output end of the movable clamping mechanism and the output end of the fixed clamping mechanism, and positioning pieces are arranged on one sides of the clamping assemblies. By means of the structure, under the effect that the positioning piece is arranged on one side of the clamping assembly, the supporting plate can support the fabric before the fabric is clamped through the positioning plate and the supporting plate of the positioning piece so that the position of the fabric can be adjusted conveniently, the positioning piece can limit the edge of the knitted fabric when the fabric is clamped, and therefore the knitted fabric can be clamped conveniently. Therefore, the positions of the knitted fabric clamped by the clamping assemblies can be in the same position, so that the error of the final test result is relatively small.

Description

TECHNICAL FIELD

[0001] The utility model relates to knitted fabric's tensile test equipment technical field especially relates to a knitted fabric's tensile test device. BACKGROUND

[0002] Textile fabric is also called knitted fabric, according to weaving method, there are two kinds of weft knitted fabric and warp knitted fabric. Knitted fabric can not only interpret the style and characteristics of clothes, but also directly affect the color, modeling performance effect of clothes. In the production process of knitted fabric, it needs to use tensile test device, detects the sample of knitted fabric through tensile testing machine, detects whether the elasticity and tenacity of knitted fabric meet the requirements.

[0003] At present, the tensile test device of knitted fabric generally includes tension tester, movable clamping mechanism and fixed clamping mechanism arranged on the tension tester. When the sample of knitted fabric is tested, the two ends of the sample are clamped through the movable clamping mechanism and the fixed clamping mechanism, and then the sample is stretched by gradually moving the tension tester, and the tension generated is displayed on the tension tester.

[0004] However, when the existing tensile test device clamps the knitted fabric through the clamping mechanism, the clamping position of the movable end and the clamping position of the fixed end are prone to be not on the same vertical extension line (i.e. the two ends of the sample are clamped in a deviated position), and in the process of stretching, the tension generated on the knitted fabric is prone to be uneven, thereby affecting the detected value, resulting in a large deviation between the detection result and the actual value. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of tensile test device of knitted fabric, mainly solve the problem that position deviation is prone to appear when the sample of traditional tensile test device clamps two ends of knitted fabric.

[0006] To achieve the purpose, the technical scheme of the utility model is as follows:

[0007] The utility model provides a kind of tensile test device of knitted fabric, including main part, lifting mechanism is arranged in the main part, tension tester is arranged on the lifting mechanism, movable clamping mechanism is arranged on the tension tester, fixed clamping mechanism is arranged in the just below of main part corresponding movable clamping mechanism, movable clamping mechanism and fixed clamping mechanism are all finger air cylinder, clamping assembly is arranged in the output end of movable clamping mechanism and fixed clamping mechanism, one side of clamping assembly is provided with positioning piece;

[0008] The clamping assembly includes the clamping piece of symmetrical arrangement, the clamping face of the face of two clamping pieces mutually close is;

[0009] The positioning member comprises a positioning plate mounted on one end of one of the clamping members, one end of the positioning plate extends to the end of the other clamping member, the height of the positioning plate is higher than the top of the clamping assembly, and a support plate is arranged on the top of the clamping surface of one of the clamping members.

[0010] In one embodiment, a mounting plate is arranged on the positioning plate and mounted on the clamping member.

[0011] In one embodiment, the clamping surface of the clamping member is provided with an inwardly recessed resistance-increasing groove.

[0012] In one embodiment, the clamping surface of the clamping member is provided with a plurality of transverse teeth.

[0013] In one embodiment, the bottom of the clamping member is provided with a fabric stabilizing assembly, the fabric stabilizing assembly comprises a stabilizing plate and a guide rod mounted on the clamping member, the guide rod penetrates through the stabilizing plate, a limiting ring is mounted on the end of the guide rod, and an elastic member is arranged on the guide rod, one end of the elastic member is supported on the stabilizing plate, and the other end is supported on the limiting ring.

[0014] In one embodiment, both ends of the stabilizing plate exceed both ends of the clamping member.

[0015] The advantages or beneficial effects of the above technical solutions at least include: when the sample of the knitted fabric is clamped, the edge of the knitted fabric during clamping can be defined by the positioning plate of the positioning member arranged on one side of the clamping assembly, so that the position of the knitted fabric clamped by the clamping assembly is at the same position, and the fabric can be supported before clamping by the arrangement of the support plate, so as to facilitate the position adjustment of the fabric before clamping, so as to prevent the clamping assembly from having a large position deviation at the moment of clamping, thereby ensuring that the error of the final test result is small. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings illustrate exemplary embodiments of the present application and, together with the general description of the application given above, and the detailed description of the embodiments given below, serve to explain the principles of the present application. These drawings are included herewith and constitute a part of this specification. In the drawings:

[0017] Figure 1 A schematic view of the whole according to an exemplary embodiment of the present application is shown;

[0018] Figure 2 A schematic view of the fixed clamping mechanism, the clamping assembly, the positioning member and the fabric stabilizing assembly according to an exemplary embodiment of the present application is shown;

[0019] Figure 3 A schematic view of a clamping assembly according to an exemplary embodiment of the present application is shown.

[0020] Figure 4 A schematic view of a clamping assembly and a fabric stabilizing assembly according to an exemplary embodiment of the present application is shown.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1. main body;

[0023] 2. lifting mechanism;

[0024] 3. tensile tester;

[0025] 4. movable clamping mechanism;

[0026] 5. fixed clamping mechanism;

[0027] 6. clamping assembly;

[0028] 61. clamping piece; 611. tooth; 62. resistance increasing groove;

[0029] 7. positioning piece;

[0030] 71. positioning plate; 72. support plate; 73. mounting plate;

[0031] 8. fabric stabilizing assembly;

[0032] 81. stabilizing plate; 82. guide rod; 83. limiting ring; 84. elastic piece. DETAILED DESCRIPTION

[0033] Embodiments of the present application will be described in more detail by referring to the drawings. Although some embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein, but rather these embodiments are provided to more completely understand and fully convey the scope of the present application. It is understood that the drawings and embodiments of the present application are for exemplary purposes only and are not intended to limit the scope of the present application.

[0034] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0035] The term "include" and variations thereof, as used in this document, mean the same as "comprise" or "comprises." The term "based on" means "based, at least in part, on." The term "one embodiment" means "at least one embodiment." The term "another embodiment" means "at least one additional embodiment." The term "some embodiments" means "at least some embodiments." Related terms shall be construed accordingly. It should be noted that "a" or "one" or "the" as used in this document, is intended to mean "one or more" or "at least one" unless specified otherwise.

[0036] It should be noted that the modification of "one" or "multiple" mentioned in the utility model is illustrative rather than restrictive, and those skilled in the art should understand that unless the context clearly indicates otherwise, it should be understood as "one or more".

[0037] The names of the messages or information exchanged between the plurality of devices in the embodiments of the utility model are only for illustrative purposes, and are not intended to limit the scope of the messages or information.

[0038] Referring to Figures 1 to 4 The embodiment of the utility model provides a kind of stretch testing device of knitted fabric, including main body 1, lifting mechanism 2 is provided in main body 1, tension tester 3 is provided on lifting mechanism 2, movable clamping mechanism 4 is provided on tension tester 3, fixed clamping mechanism 5 is provided in the directly below of main body 1 corresponding movable clamping mechanism 4, movable clamping mechanism 4 and fixed clamping mechanism 5 are all finger air cylinder, clamping assembly 6 is provided in the output end of movable clamping mechanism 4 and fixed clamping mechanism 5, one side of clamping assembly 6 is provided with positioning piece 7;Wherein, lifting mechanism 2 can adopt the cooperation of screw rod and servo motor, the lifting of tension tester 3 can be fine-tuned by the control of servo motor, to improve the result precision of tension test.

[0039] Clamping assembly 6 includes symmetrically arranged clamping pieces 61, and one side of the two clamping pieces 61 close to each other is a clamping surface;

[0040] Positioning piece 7 includes positioning plate 71 mounted to one end of one of the clamping pieces 61, one end of the positioning plate 71 extends to the end of the other clamping piece 61, the height of the positioning plate 71 is higher than the top of the clamping assembly 6, and a support plate 72 is arranged on the positioning plate 71 corresponding to the top of the clamping surface of one of the clamping pieces 61.

[0041] With the above structure, when the knitted fabric sample is clamped, the edge of the knitted fabric during clamping is limited by the positioning plate 71 of the positioning member 7, so that the position of the knitted fabric clamped by the clamping assembly 6 is at the same position. The fabric is supported before clamping by the support plate 72, so that the position of the fabric before clamping is adjusted, the clamping assembly 6 is prevented from being greatly deviated in position at the moment of clamping, and the error of the final test result is small.

[0042] In an embodiment, referring to Figure 2 and Figure 3 , the positioning plate 71 is provided with a mounting plate 73 mounted on the clamping member 61. In actual use, the positioning plate 71 is mounted on the clamping member 61 through the mounting plate 73.

[0043] In an embodiment, referring to Figure 4 , the clamping surface of the clamping member 61 is provided with an inwardly recessed resistance increasing groove 62. In actual use, when the knitted fabric is stretched, the knitted fabric at the position corresponding to the resistance increasing groove 62 on the clamping member 61 is deformed and embedded in the resistance increasing groove 62 under the action of tension, and the edge position of the resistance increasing groove 62 increases the resistance of the knitted fabric, thereby further preventing the knitted fabric from being separated from the clamping member 61.

[0044] The clamping surface of the clamping member 61 is provided with a plurality of transverse teeth 611. In actual use, the knitted fabric clamped by the clamping member 61 is prevented from easily separating from the clamping member 61 by the teeth 611 on the clamping member 61.

[0045] In an embodiment, referring to Figure 4 , the bottom of the clamping member 61 is provided with a fabric stabilizing assembly 8, which includes a stabilizing plate 81 and a guide rod 82 mounted on the clamping member 61. The guide rod 82 penetrates through the stabilizing plate 81, and a limiting ring 83 is mounted on the end of the guide rod 82. An elastic member 84 is arranged on the guide rod 82, one end of the elastic member 84 is supported on the stabilizing plate 81, and the other end is supported on the limiting ring 83. In actual use, after the end of the knitted fabric is bent and placed between the stabilizing plate 81 and the clamping member 61, the end of the knitted fabric is clamped between the stabilizing plate 81 and the clamping member 61 by the elastic force of the elastic member 84, so as to further improve the positioning effect of the end of the knitted fabric and further prevent the end of the knitted fabric from loosening.

[0046] The two ends of the stabilizing plate 81 exceed the two ends of the clamping piece 61. In actual use, the setting of the end portions of the stabilizing plate 81 can facilitate the force borne by the stabilizing plate 81 when the stabilizing plate 81 is pushed.

[0047] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0048] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present application, and are not intended to limit the scope of the present application. For those skilled in the art, other changes or modifications can be made on the basis of the above application, and these changes or modifications are still within the scope of the present application.

Claims

1. A tensile testing apparatus for knitted fabrics, characterized by, The utility model provides a tension testing device, including the main part, be provided with the lifting mechanism in the main part, be provided with tension testing instrument on the lifting mechanism, be provided with movable clamping mechanism on the tension testing instrument, the fixed clamping mechanism of the main part corresponds movable clamping mechanism's just below is provided with, movable clamping mechanism and fixed clamping mechanism are all finger air cylinder, the output of movable clamping mechanism and fixed clamping mechanism is provided with clamping assembly, one side of clamping assembly is provided with positioning piece, The clamping assembly includes symmetrical clamping pieces, and the side of the two clamping pieces close to each other is a clamping surface. The positioning piece includes a positioning plate installed at one end of one clamping piece, the positioning plate extends to the end of the other clamping piece at one end, the height of the positioning plate is higher than the top of the clamping assembly, and a support plate is arranged on the top of the clamping surface of one clamping piece of the positioning plate.

2. The apparatus for testing the stretch of a knitted fabric according to claim 1, wherein, An installation plate is arranged on the positioning plate and installed on the clamping piece.

3. The apparatus for testing the stretch of a knitted fabric according to claim 1, wherein, The clamping surface of the clamping piece is provided with an inward recessed resistance increasing groove.

4. The apparatus for testing the stretch of a knitted fabric according to claim 1 or 3, wherein The clamping surface of the clamping piece is provided with a plurality of transverse teeth.

5. The apparatus for testing the stretch of a knitted fabric according to claim 1, wherein, A fabric stabilizing assembly is arranged at the bottom of the clamping piece, the fabric stabilizing assembly includes a stabilizing plate and a guide rod installed on the clamping piece, the guide rod passes through the stabilizing plate, a limiting ring is installed at the end of the guide rod, an elastic piece is arranged on the guide rod, one end of the elastic piece is supported on the stabilizing plate, and the other end is supported on the limiting ring.

6. The apparatus for testing the stretch of a knitted fabric according to claim 5, wherein, Both ends of the stabilizing plate exceed both ends of the clamping piece.

Images