Canvas tension test fixing jig

Abstract

The utility model discloses a canvas tension test fixing jig which comprises a fixed clamping plate and a movable clamping plate which are used for clamping canvas, a groove is formed in the surface of the fixed clamping plate in an embedded mode, and a winding mechanism used for winding the canvas is movably arranged in the groove. Compared with the prior art, the canvas tension test fixing jig has the advantages that the winding mechanism is additionally arranged on the basis of an existing fixed clamping plate and an existing movable clamping plate; the canvas is wound for two to three times through the winding mechanism and then is clamped through the fixed clamping plate and the movable clamping plate, so that the canvas clamping capability of the jig can be greatly improved, the canvas is effectively fixed and limited, the test accuracy and efficiency are improved, meanwhile, the safety performance of equipment is enhanced, and the test efficiency is improved. Accidents caused by canvas sliding in the testing process are effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to canvas tension test technical field especially is involved in canvas tension test fixture. BACKGROUND

[0002] In the textile industry, the tension and stretch detection of various fabrics and yarns is a very important link. This not only relates to the quality and performance of the product, but also directly affects the subsequent production and use.

[0003] The utility model discloses a textile tension detection device with the application number 202220631416.3, which can limit the fabric or yarn during tension detection test. The main innovation point is that a plurality of clamping cavities are arranged between the combined surface of the upper fixed plate and the lower fixed plate, and a rough-surfaced pressing rod is arranged in each clamping cavity. The fabric or yarn is pressed in the clamping cavity by the pressing rod to increase the friction.

[0004] In view of the prior art, the inventor believes that when testing the tension of canvas, the tension applied to the canvas during the test is very large due to the high strength of the canvas. It is difficult to limit the canvas between two fixed plates by using conventional methods. Therefore, the inventor believes that the existing canvas tension test fixture needs to be further improved. CONTENT OF THE UTILITY MODEL

[0005] In view of the above situation, the utility model provides a canvas tension test fixture to solve the above problems.

[0006] To achieve the above purpose, the utility model discloses a canvas tension test fixture, which comprises a fixed clamp plate and a movable clamp plate for clamping canvas. The surface of the fixed clamp plate is embedded with a groove. A winding mechanism for winding canvas is movably arranged in the groove. The winding mechanism comprises a movable plate movably arranged in the groove, a rotating shaft rotatably arranged on the surface of the movable plate, and a limiting rod fixed on the side surface of the rotating shaft. An opening is provided between the limiting rod and the rotating shaft for the canvas to pass through.

[0007] Preferably, the movable plate is connected with the bottom of the groove through a spring.

[0008] Preferably, a rectangular-shaped socket is arranged at one end of the fixed clamp plate, and a clamping block is fixed at one end of the rotating shaft.

[0009] Preferably, one side of the movable clamp plate is rotatably connected with one side of the fixed clamp plate, and the other side of the movable clamp plate is locked with the other side of the fixed clamp plate through a bolt.

[0010] Preferably, a connecting lug is arranged at one end of the fixed clamp plate.

[0011] Preferably, the inner surface of the movable clamping plate is integrally formed with anti-skid protrusions, and the length direction of the anti-skid protrusions is perpendicular to the length direction of the movable clamping plate.

[0012] Compared with the prior art, the canvas tension test fixing jig has the following advantages: the canvas tension test fixing jig increases the winding mechanism on the basis of the existing fixed clamping plate and movable clamping plate, the canvas is wound for two to three turns through the winding mechanism before being clamped by the fixed clamping plate and the movable clamping plate, the clamping capacity of the jig on the canvas is greatly increased, effective fixing and limiting of the canvas are realized, the accuracy and efficiency of the test are improved, the safety performance of the equipment is enhanced, and accidents caused by sliding of the canvas during the test are effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application. In the drawings:

[0014] Figure 1 It is a three-dimensional structure schematic view of the present application.

[0015] Figure 2 It is another three-dimensional structure schematic view of the present application.

[0016] Figure 3 It is a cross-sectional structure schematic view of the present application.

[0017] Figure 4 It is the present application Figure 1 It is an enlarged structure schematic view of A in the present application.

[0018] In the drawings: 1, fixed clamping plate; 11, bayonet; 2, movable clamping plate; 3, groove; 4, winding mechanism; 41, movable plate; 42, rotating shaft; 43, limiting rod; 44, opening; 45, spring; 46, clamping block; 47, connecting block; 48, mounting seat; 5, bolt; 6, connecting lug; 7, canvas. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application will be further described below with reference to the accompanying drawings. Figures 1-4 The specific embodiments of the present application will be further described below with reference to the accompanying drawings.

[0020] By Figures 1-4The utility model discloses a canvas tension test fixed tool, including the fixed clamping plate 1 and movable clamping plate 2 for clamping canvas 7, the surface of fixed clamping plate 1 is embedded with recess 3, the winding mechanism 4 for winding canvas 7 is movably arranged in recess 3, the utility model discloses the setting of winding mechanism 4 makes canvas 7 can be wound several turns through winding mechanism 4 before clamping through fixed clamping plate 1 and movable clamping plate 2, so that canvas 7 can be more firmly positioned between fixed clamping plate 1 and movable clamping plate 2, in this way, when tension test is carried out, canvas can be prevented from slipping out between fixed clamping plate 1 and movable clamping plate 2.

[0021] The following is a specific embodiment of winding mechanism 4:

[0022] Please refer to Figure 3 With Figure 4 , winding mechanism 4 includes movable plate 41 that is vertically movably arranged in recess 3, rotating shaft 42 that is rotatably arranged on the surface of movable plate 41 through two mounting seats 48 and limiting rod 43 that is fixed on the side surface of rotating shaft 42, wherein the two ends of limiting rod 43 are connected with rotating shaft 42 through two connecting blocks 47, opening 44 for canvas 7 to pass through is arranged between limiting rod 43 and rotating shaft 42, spring 45 is connected between movable plate 41 and the bottom of recess 3, through the setting of spring 45, when movable clamping plate 2 is opened, movable plate 41 will automatically move upwards, so as to facilitate the canvas 7 to be inserted into the opening 44 between the rotating shaft 42 and the limiting rod 43, when movable clamping plate 2 is closed, spring 45 can be compressed, so that movable plate 41 is retracted into recess 3, so that the other part of canvas 7 can be pressed between fixed clamping plate 1 and movable clamping plate 2.

[0023] When in use, first, open fixed clamping plate 1 and movable clamping plate 2, then insert one end of canvas 7 from the opening 44 between limiting rod 43 and rotating shaft 42, then manually rotate rotating shaft 42, wind canvas 7 on rotating shaft 42 for two to three turns, then close movable clamping plate 2, so that canvas 7 is clamped between fixed clamping plate 1 and movable clamping plate 2, after winding canvas 7 for two to three turns, then clamp through fixed clamping plate 1 and movable clamping plate 1, which can greatly increase the clamping ability of the tool to canvas 7.

[0024] Please refer to Figure 2 With Figure 4 , in order to limit rotating shaft 42, one end of fixed clamping plate 1 penetratingly provided with rectangular-shaped socket 11, one end of rotating shaft 42 is fixed with clamping block 46, the width of clamping block 46 is consistent with the width of socket 11, after rotating rotating shaft 42, when closing movable clamping plate 42, movable plate 41 can be automatically compressed into recess 3, when movable plate 41 is compressed into recess 3, clamping block 46 is also clamped into socket 11, so as to limit the rotation of rotating shaft 42.

[0025] In some embodiments, one side of the movable clamp plate 2 is rotationally connected with one side of the fixed clamp plate 1, and the other side of the movable clamp plate 2 is locked with the other side of the fixed clamp plate 1 through the bolt 5.

[0026] In some embodiments, one end of the fixed clamp plate 1 is provided with the connecting lug 6, and the connecting lug 6 is arranged to facilitate the connection of the fixed clamp plate 1 with the traction device during the tension test.

[0027] In some embodiments, the inner surface of the movable clamp plate 2 is integrally formed with the anti-skid convex strip, and the length direction of the anti-skid convex strip is perpendicular to the length direction of the movable clamp plate 2, so as to increase the friction force received by the canvas.

[0028] The canvas tension test fixing jig of the utility model adds the winding mechanism on the fixed clamp plate and the movable clamp plate of the existing canvas tension test fixing jig, through the arrangement of the winding mechanism, the canvas can be wound multiple times through the winding mechanism before being clamped by the fixed clamp plate and the movable clamp plate, and the stable positioning of the canvas between the two is ensured.

[0029] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement is carried out to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A fixture for testing the tension of a canvas, comprising a fixed jaw (1) and a movable jaw (2) for clamping the canvas (7), characterized in that, The surface of the fixed clamping plate (1) is embedded with a groove (3), a winding mechanism (4) for winding canvas (7) is movably arranged in the groove (3), the winding mechanism (4) comprises a movable plate (41) movably arranged in the groove (3), a rotating shaft (42) rotatably arranged on the surface of the movable plate (41), and a limiting rod (43) fixed on the side of the rotating shaft (42), and the limiting rod (43) and the rotating shaft (42) are provided with an opening (44) for the canvas to pass through.

2. The canvas tension test fixture of claim 1, wherein, The movable plate (41) is connected with the bottom of the groove (3) through a spring (45).

3. The canvas tension test fixture of claim 2, wherein, The fixed clamping plate (1) is provided with a rectangular-shaped socket (11) at one end of the groove (3), and one end of the rotating shaft (42) is fixed with a clamping block (46).

4. The canvas tension test fixture of claim 1, wherein, One side of the movable clamping plate (2) is rotatably connected with one side of the fixed clamping plate (1), and the other side of the movable clamping plate (2) is locked with the other side of the fixed clamping plate (1) through a bolt (5).

5. The canvas tension test fixture of claim 1, wherein, One end of the fixed clamping plate (1) is provided with a connecting lug (6).

6. The canvas tension test fixture of claim 1, wherein, The inner surface of the movable clamping plate (2) is integrally formed with an anti-skid convex strip, and the length direction of the anti-skid convex strip is perpendicular to the length direction of the movable clamping plate (2). The surface of the fixed clamping plate (1) is embedded with a groove (3), a winding mechanism (4) for winding canvas (7) is movably arranged in the groove (3), the winding mechanism (4) comprises a movable plate (41) movably arranged in the groove (3), a rotating shaft (42) rotatably arranged on the surface of the movable plate (41), and a limiting rod (43) fixed on the side of the rotating shaft (42), and the limiting rod (43) and the rotating shaft (42) are provided with an opening (44) for the canvas to pass through. The movable plate (41) is connected with the bottom of the groove (3) through a spring (45). The fixed clamping plate (1) is provided with a rectangular-shaped socket (11) at one end of the groove (3), and one end of the rotating shaft (42) is fixed with a clamping block (46). One side of the movable clamping plate (2) is rotatably connected with one side of the fixed clamping plate (1), and the other side of the movable clamping plate (2) is locked with the other side of the fixed clamping plate (1) through a bolt (5). One end of the fixed clamping plate (1) is provided with a connecting lug (6). The inner surface of the movable clamping plate (2) is integrally formed with an anti-skid convex strip, and the length direction of the anti-skid convex strip is perpendicular to the length direction of the movable clamping plate (2).

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