A fixing device for testing the performance of flexible materials

Abstract

A fixing device for testing the performance of flexible materials, comprising a test bench, a fixing base, a mounting base and a fixture; a magnetic attraction plate is covered on the test bench; an elastic seat is arranged at the bottom of the fixing base; an installation bin is arranged inside the fixing base, a substrate is arranged in the installation bin, a threaded rod is arranged at the top of the substrate, a hand wheel is arranged at the top of the threaded rod, and the hand wheel is in transmission connection with the threaded rod; a magnet is arranged at the bottom of the substrate; the mounting base is arranged on one side of the fixing base; a lead screw is vertically arranged inside the first mounting groove and the second mounting groove; the bottom of the lead screw is a smooth rod; a top plate is arranged at the top of the lead screw; a base is arranged at the bottom of the smooth rod; a turntable is fixedly installed on the smooth rod; a movable seat is arranged on the lead screw, and the fixture comprises two groups of clamping arms arranged up and down; the present invention can adjust the height of the fixture and can clamp flexible materials with different thicknesses at the same time; in addition, the fixing base itself can be adjusted at any position on the test bench, making it more convenient to use.

Description

Technical Field

[0001] The present invention relates to the technical field of jigs, and particularly to a fixing device for testing the performance of flexible materials. Background Art

[0002] In the process of researching and exploring new materials, new processes, new technologies and new structures, the performance detection of materials is an indispensable and important test content. During the stretching process, the testing machine should be equipped with appropriate jigs, that is: the jigs should not cause the specimen to break at the jigs; in the prior art, there are relatively few jigs for flexible materials, and most of the jigs are fixedly installed on the test bench, unable to move, and can only be adjusted at a small angle; it is quite inconvenient to use.

[0003] To solve the above problems, a fixing device for testing the performance of flexible materials is proposed in this application. Summary of the Invention

[0004] (I) Object of the Invention

[0005] To solve the technical problems in the background art that there are relatively few jigs for flexible materials in the prior art, and most of the jigs are fixedly installed on the test bench, unable to move, and can only be adjusted at a small angle; it is quite inconvenient to use, the present invention proposes a fixing device for testing the performance of flexible materials. The present invention can adjust the height of the jig, and can clamp flexible materials with different thicknesses; in addition, the fixing base itself can be adjusted at any position on the test bench, making it more convenient to use.

[0006] (II) Technical Solution

[0007] To solve the above problems, the present invention provides a fixing device for testing the performance of flexible materials, including a test bench, a fixing base, a mounting base and a jig;

[0008] The test bench is a horizontal workbench, and a magnetic attraction plate is covered on the test bench; a plurality of fixing bases are provided and are all located on the test bench; an elastic seat is provided at the bottom of the fixing base, and an opening is provided at the bottom of the elastic seat; an installation bin is provided inside the fixing base, a substrate is provided in the installation bin, a threaded rod is provided at the top of the substrate, the threaded rod passes through the installation bin and extends outside the fixing base, a hand wheel is provided at the top of the threaded rod, and the hand wheel is in transmission connection with the threaded rod; a magnet is provided at the bottom of the substrate, and the magnet is magnetically connected to the magnetic attraction plate;

[0009] The mounting base is arranged on one side of the fixed base; on the mounting base, a first mounting groove, a first sliding rod, a second sliding rod and a second mounting groove are vertically arranged in sequence from left to right; a lead screw is vertically arranged inside the first mounting groove and the second mounting groove; the bottom of the lead screw is a smooth rod; a top plate is arranged at the top of the lead screw, and the lead screw is rotationally connected to the top plate; a base is arranged at the bottom of the smooth rod, and the smooth rod is rotationally connected to the base; a turntable is fixedly installed on the smooth rod; a movable seat is arranged on the lead screw, the fixture includes two sets of clamping arms arranged up and down, one end of the clamping arm is fixedly connected to the movable seat, and the clamping arm is slidably connected to both the first sliding rod and the second sliding rod.

[0010] Preferably, a first suction cup vertically downward is arranged at the bottom of the fixed base, and the first suction cup is inserted into the elastic seat.

[0011] Preferably, the clamping arm includes a core plate arranged inside and an airbag wrapped outside the core plate.

[0012] Preferably, a plurality of pleated parts are arranged on the airbag.

[0013] Preferably, a plurality of second suction cups are arranged on the airbag, and the second suction cups are installed at the pleated parts.

[0014] Preferably, a plurality of air outlet holes facilitating gas flow are arranged on the elastic seat.

[0015] Preferably, the handwheel is wrapped with an anti-slip layer.

[0016] Preferably, rubber covering parts are arranged on the groove walls of the first mounting groove and the second mounting groove.

[0017] The above technical solution of the present invention has the following beneficial technical effects: In the present invention, the test bench is a horizontal workbench, and a magnetic adsorption plate is covered on the test bench; a plurality of fixing seats are provided and are all located on the test bench; during actual use, the handwheel is rotated, and the handwheel drives the substrate and the magnet inside the fixing seat to move upward, so that the magnet is separated from the magnetic adsorption plate; at this time, the fixing seat can be easily moved to any position on the test bench; then the handwheel is rotated downward, the substrate and the magnet move downward, the air inside the elastic seat is discharged from the air outlet, the elastic seat is gradually contracted under force, and the magnet is adsorbed to the magnetic adsorption plate, and the position of the fixing seat is fixed; then the flexible material is clamped in the fixture; the turntables in the first installation groove and the second installation groove are rotated respectively; the rotation of the turntable drives the screw rod to rotate, so as to drive the two clamping arms to move up and down in the first installation groove and the second installation groove respectively; the turntable is rotated so that the two clamping arms clamp the flexible material; an airbag is wrapped outside the clamping arm; the airbag will undergo elastic deformation when being squeezed, and the wrinkled part on the side where the airbag is squeezed is gradually unfolded, and the second suction cup is exposed; the second suction cup is adsorbed to the surface of the flexible material, so as to ensure that the flexible material is fixed on the fixture; the present invention can adjust the height of the fixture, and can clamp flexible materials with different thicknesses; in addition, the fixing seat itself can be adjusted to any position on the test bench, which is more convenient to use. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of a fixing device for testing the performance of a flexible material proposed by the present invention.

[0019] Figure 2 It is a schematic internal structure diagram of a fixing seat in a fixing device for testing the performance of a flexible material proposed by the present invention.

[0020] Figure 3 It is a schematic structural diagram of a mounting seat in a fixing device for testing the performance of a flexible material proposed by the present invention.

[0021] Figure 4 It is a schematic mounting structure diagram of a clamping arm in a fixing device for testing the performance of a flexible material proposed by the present invention.

[0022] Figure 5 It is a schematic enlarged structural diagram of a clamping arm in a fixing device for testing the performance of a flexible material proposed by the present invention.

[0023] Reference numerals: 1, test bench; 2, magnetic suction plate; 3, hand wheel; 4, threaded rod; 5, fixed seat; 6, elastic seat; 7, fixture; 8, mounting seat; 9, installation bin; 10, substrate; 11, magnet; 12, first suction cup; 13, air outlet; 14, first installation groove; 15, first sliding rod; 16, second sliding rod; 17, second installation groove; 18, lead screw; 19, top plate; 20, movable seat; 21, clamping arm; 22, turntable; 23, base; 24, airbag; 25, second suction cup. Detailed implementation manners

[0024] To make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with the detailed implementation manners and with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present invention.

[0025] As Figures 1-5 shown, a fixing device for testing the performance of flexible materials proposed by the present invention includes a test bench 1, a fixed seat 5, a mounting seat 8 and a fixture 7;

[0026] The test bench 1 is a horizontal workbench, and a layer of magnetic suction plate 2 is covered on the test bench 1; a plurality of fixed seats 5 are provided and are all located on the test bench 1; an elastic seat 6 is provided at the bottom of the fixed seat 5, and an opening is provided at the bottom of the elastic seat 6; an installation bin 9 is provided inside the fixed seat 5, a substrate 10 is provided in the installation bin 9, a threaded rod 4 is provided at the top of the substrate 10, the threaded rod 4 passes through the installation bin 9 and extends outside the fixed seat 5, a hand wheel 3 is provided at the top of the threaded rod 4, and the hand wheel 3 is in transmission connection with the threaded rod 4; a magnet 11 is provided at the bottom of the substrate 10, and the magnet 11 is magnetically connected to the magnetic suction plate 2;

[0027] The mounting seat 8 is provided on one side of the fixed seat 5; a first installation groove 14, a first sliding rod 15, a second sliding rod 16 and a second installation groove 17 are vertically arranged on the mounting seat 8 from left to right in sequence; a lead screw 18 is vertically arranged inside the first installation groove 14 and the second installation groove 17; the bottom of the lead screw 18 is a smooth rod; a top plate 19 is provided at the top of the lead screw 18, and the lead screw 18 is rotatably connected to the top plate 19; a base 23 is provided at the bottom of the smooth rod, and the smooth rod is rotatably connected to the base 23; a turntable 22 is fixedly installed on the smooth rod; a movable seat 20 is provided on the lead screw 18, the fixture 7 includes two groups of clamping arms 21 arranged up and down, one end of the clamping arm 21 is fixedly connected to the movable seat 20, and the clamping arm 21 is slidably connected to both the first sliding rod 15 and the second sliding rod 16.

[0028] In the present invention, the test bench 1 is a horizontal workbench, and a magnetic adsorption plate 2 is covered on the test bench 1; a plurality of fixing seats 5 are provided and are all located on the test bench 1; during actual use, the hand wheel 3 is rotated, and the hand wheel 3 drives the substrate 10 and the magnet 11 inside the fixing seat 5 to move upward, so that the magnet 11 is separated from the magnetic adsorption plate 2; at this time, the fixing seat 5 can be easily moved to any position on the test bench 1; then the hand wheel 3 is rotated downward, the substrate 10 and the magnet 11 move downward, the air inside the elastic seat 6 is discharged from the air outlet hole 13, the elastic seat 6 is gradually contracted under force, the magnet 11 is adsorbed to the magnetic adsorption plate 2, and the position of the fixing seat 5 is fixed; then the flexible material is clamped in the fixture 7; the turntables 22 in the first installation groove 14 and the second installation groove 17 are rotated respectively; the rotation of the turntable 22 drives the lead screw 18 to rotate, so as to drive the two clamping arms 21 to move up and down in the first installation groove 14 and the second installation groove 17 respectively; the turntable 22 is rotated to clamp the flexible material by the two clamping arms 21; an airbag 24 is wrapped outside the clamping arm 21; the airbag 24 will undergo elastic deformation when being squeezed, the wrinkled part on the side of the airbag 24 being squeezed is gradually unfolded, and the second suction cup 25 is exposed; the second suction cup 25 is adsorbed to the surface of the flexible material, so as to ensure that the flexible material is fixed on the fixture 7; the present invention can adjust the height of the fixture 7 and can clamp flexible materials with different thicknesses; in addition, the fixing seat 5 itself can be adjusted to any position on the test bench 1, which is more convenient to use.

[0029] In an alternative embodiment, a vertically downward first suction cup 12 is provided at the bottom of the fixing seat 5, and the first suction cup 12 is inserted into the inside of the elastic seat 6.

[0030] In an alternative embodiment, the clamping arm 21 includes a core plate provided inside and an airbag 24 wrapped outside the core plate.

[0031] In an alternative embodiment, a plurality of wrinkled parts are provided on the airbag 24.

[0032] In an alternative embodiment, a plurality of second suction cups 25 are provided on the airbag 24, and the second suction cups 25 are installed at the wrinkled parts.

[0033] It should be noted that an airbag 24 is wrapped outside the clamping arm 21; the airbag 24 will undergo elastic deformation when being squeezed, the wrinkled part on the side of the airbag 24 being squeezed is gradually unfolded, and the second suction cup 25 is exposed; the second suction cup 25 is adsorbed to the surface of the flexible material, so as to ensure that the flexible material is fixed on the fixture 7.

[0034] In an alternative embodiment, a plurality of air outlet holes 13 facilitating gas flow are provided on the elastic seat 6.

[0035] It should be noted that after the gas in the elastic seat 6 is discharged from the air outlet 13, the elastic seat 6 gradually shrinks under force; the magnet 11 is magnetically attracted to the magnetic attraction plate 2, and at the same time, the first suction cup 12 contacts the magnetic attraction plate 2 to play an auxiliary adsorption role.

[0036] In an alternative embodiment, the handwheel 3 is wrapped with an anti-slip layer.

[0037] It should be noted that the anti-slip layer can increase the friction force and prevent slipping when the handwheel 3 is rotated.

[0038] In an alternative embodiment, rubber coverings are provided on the inner walls of the first mounting groove 14 and the second mounting groove 17.

[0039] It should be noted that during the up and down movement of the clamping arm 21 and the movable seat 20 in the first mounting groove 14 or the second mounting groove 17, the rubber coverings can play a protective role and reduce the wear of the clamping arm 21.

[0040] It should be understood that the above specific embodiments of the present invention are only used for exemplary illustration or explanation of the principle of the present invention, and do not constitute a limitation to the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all variations and modifications that fall within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A fixing device for testing the performance of a flexible material, characterized in that, It includes a test bench (1), a fixed seat (5), a mounting seat (8) and a fixture (7); The test bench (1) is a horizontal workbench, and a magnetic attraction plate (2) is covered on the test bench (1); Multiple fixed seats (5) are provided and are all located on the test bench (1); An elastic seat (6) is provided at the bottom of the fixed seat (5), and an opening is provided at the bottom of the elastic seat (6); An installation bin (9) is provided inside the fixed seat (5), a substrate (10) is provided in the installation bin (9), a threaded rod (4) is provided at the top of the substrate (10), the threaded rod (4) passes through the installation bin (9) and extends outside the fixed seat (5), a hand wheel (3) is provided at the top of the threaded rod (4), and the hand wheel (3) is in transmission connection with the threaded rod (4); A magnet (11) is provided at the bottom of the substrate (10), and the magnet (11) is magnetically connected to the magnetic attraction plate (2); The mounting seat (8) is provided on one side of the fixed seat (5); A first installation groove (14), a first sliding rod (15), a second sliding rod (16) and a second installation groove (17) are vertically arranged on the mounting seat (8) in sequence from left to right; A lead screw (18) is vertically arranged inside the first installation groove (14) and the second installation groove (17); The bottom of the lead screw (18) is a smooth rod; A top plate (19) is provided at the top of the lead screw (18), and the lead screw (18) is rotationally connected to the top plate (19); A base (23) is provided at the bottom of the smooth rod, and the smooth rod is rotationally connected to the base (23); A turntable (22) is fixedly installed on the smooth rod; A movable seat (20) is provided on the lead screw (18), and the fixture (7) includes two groups of clamping arms (21) arranged up and down. One end of the clamping arm (21) is fixedly connected to the movable seat (20), and the clamping arm (21) is slidably connected to both the first sliding rod (15) and the second sliding rod (16); A first suction cup (12) vertically downward is provided at the bottom of the fixed seat (5), and the first suction cup (12) is inserted into the inside of the elastic seat (6); The clamping arm (21) includes a core plate arranged inside and an airbag (24) wrapped outside the core plate; A plurality of folding parts are provided on the airbag (24).

2. The fixing device for testing the performance of the flexible material according to claim 1, wherein A plurality of second suction cups (25) are provided on the airbag (24), and the second suction cups (25) are installed at the folding parts.

3. The fixing device for testing the performance of the flexible material according to claim 1, characterized in that, A plurality of air outlet holes (13) facilitating gas flow are provided on the elastic seat (6).

4. The fixing device for testing the performance of flexible materials according to claim 1, characterized in that, The hand wheel (3) is wrapped with an anti-slip layer.

5. The fixing device for testing the performance of flexible materials according to claim 1, characterized in that, Rubber covering parts are provided on the groove walls of the first installation groove (14) and the second installation groove (17).

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