Non-woven fabric stretching test device

Abstract

The utility model relates to a non-woven fabric tensile testing device, which comprises a base, a tension sensor, a lower clamp, an upper clamp, a lifting mechanism and a non-woven fabric cutting mechanism, the tension sensor is arranged on the base, the lower clamp is connected with the tension sensor, the upper clamp is connected with the lifting mechanism, and the upper clamp and the lower clamp are used for clamping a non-woven fabric sample to be tested. The lifting mechanism is used for driving the upper clamp to move, the non-woven fabric cutting mechanism comprises a die-cutting knife and a non-woven fabric clamping plate, a supporting vertical plate is arranged on the base, the lifting mechanism is arranged on the supporting vertical plate, the non-woven fabric clamping plate is arranged at the top of the supporting vertical plate, the die-cutting knife is connected with the lifting mechanism, and the die-cutting knife and the non-woven fabric clamping plate are correspondingly arranged. And the die-cutting knife is driven by the lifting mechanism to ascend so as to cut the non-woven fabric clamped on the non-woven fabric clamping plate to prepare a non-woven fabric sample. According to the non-woven fabric tensile test device, a non-woven fabric sample can be conveniently prepared, and the tensile test of the non-woven fabric can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of non-woven fabrics, in particular to a non-woven fabric tensile testing device. Background Art

[0002] The main purpose of non-woven fabric tensile testing is to detect the mechanical properties of non-woven fabrics during the stretching process, including tensile strength, elongation, elastic modulus and other indicators, to ensure that they meet the requirements of specific application areas.

[0003] When testing the tensile strength of non-woven fabrics, the first step is to prepare the sample, and then conduct the tensile test on the sample on the tensile testing equipment. Traditional sample preparation generally uses scissors or utility knives, which is not only inconvenient to operate, but also affects the overall test efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a non-woven fabric tensile testing device to solve the above-mentioned problems existing in the current non-woven fabric tensile testing.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions

[0006] A non-woven fabric tensile testing device comprises a base, a tension sensor, a lower clamp, an upper clamp, a lifting mechanism and a non-woven fabric cutting mechanism, wherein the tension sensor is arranged on the base, the lower clamp is connected to the tension sensor, the upper clamp is connected to the lifting mechanism, the upper clamp and the lower clamp are used to clamp the non-woven fabric sample to be tested, the lifting mechanism is used to drive the upper clamp to move, the non-woven fabric cutting mechanism comprises a die-cutting knife and a non-woven fabric clamping plate, a supporting vertical plate is provided on the base, the lifting mechanism is provided on the supporting vertical plate, the non-woven fabric clamping plate is provided on the top of the supporting vertical plate, the die-cutting knife is connected to the lifting mechanism, the die-cutting knife and the non-woven fabric clamping plate are arranged correspondingly, and the die-cutting knife is driven to rise by the lifting mechanism to cut the non-woven fabric clamped on the non-woven fabric clamping plate to prepare a non-woven fabric sample.

[0007] Furthermore, the lifting mechanism includes a base plate, a servo motor, a guide rail, a lead screw and a slider. The base plate is arranged on the supporting vertical plate in the up and down directions, the guide rail is arranged on the base plate, the servo motor is arranged on the top of the base plate, the lead screw is rotatably arranged on the base plate, the slider is slidably arranged on the guide rail and is threadedly connected to the lead screw. Through the rotation of the servo motor, the slider can move up and down along the guide rail, and the upper clamp and the die cutting knife are both arranged on the slider.

[0008] Furthermore, a die-cutting knife mounting plate is provided on the upper portion of the sliding block, and the die-cutting knife is provided on the die-cutting knife mounting plate.

[0009] Furthermore, a fixture mounting plate is provided at the lower portion of the slider, and the upper fixture is provided on the fixture mounting plate.

[0010] Furthermore, elastic clamping plates are provided on both side edges of the bottom of the non-woven fabric snap-in plate, and the elastic clamping plates and the non-woven fabric snap-in plate are used to clamp the non-woven fabric to be cut.

[0011] Furthermore, the upper fixture includes an upper mounting plate, an upper clamping plate and an upper fastening bolt. The upper mounting plate is arranged on the slider. The upper clamping plate is connected to the upper mounting plate through the upper fastening bolt. The upper mounting plate and the upper clamping plate are used to clamp the non-woven fabric sample to be tested.

[0012] Furthermore, the lower fixture includes a lower mounting plate, a lower clamping plate and a lower fastening bolt. The lower mounting plate is arranged on the tension sensor. The lower clamping plate is connected to the lower mounting plate through the lower fastening bolt. The lower mounting plate and the lower clamping plate are used to clamp the non-woven fabric sample to be tested.

[0013] Beneficial effects of the utility model:

[0014] The non-woven fabric tensile testing device of the utility model integrates the non-woven fabric cutting mechanism with the tensile testing device, and drives the die-cutting knife to automatically cut the non-woven fabric through the lifting mechanism, thereby ensuring the accuracy of the sample size and shape, thereby improving the accuracy and repeatability of the test, and at the same time greatly shortening the test preparation time, improving the overall test efficiency, and solving the problem of manual cutting of samples before traditional non-woven fabric tensile testing, which is cumbersome to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the non-woven fabric tensile testing device of the utility model;

[0016] Figure 2 yes Figure 1 Structural diagram from another angle;

[0017] Figure 3 It is a structural schematic diagram of the non-woven fabric tensile testing device of the utility model with the base removed.

[0018] The names corresponding to the marks in the figure are:

[0019] 1. Base,

[0020] 11. Support vertical boards,

[0021] 2. Tensile force sensor,

[0022] 3. Lower the fixture.

[0023] 31. Lower mounting plate,

[0024] 32. Lower splint,

[0025] 33. Lower the fastening bolts.

[0026] 4. Upper fixture,

[0027] 41. Upper mounting plate,

[0028] 42. Put on the splint,

[0029] 43. Fasten the bolts.

[0030] 5. Lifting mechanism,

[0031] 51. Bottom plate,

[0032] 52. Servo motor,

[0033] 53. Guide rails,

[0034] 54. Lead screw,

[0035] 55. Slider,

[0036] 56. Die cutting knife mounting plate,

[0037] 57. Fixture mounting plate,

[0038] 6. Non-woven fabric cutting mechanism,

[0039] 61. Die cutting knife,

[0040] 62. Non-woven card board,

[0041] 63. Elastic splint. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0043] See also Figure 1-Figure 3 A nonwoven fabric tensile testing device includes a base 1, a tension sensor 2, a lower clamp 3, an upper clamp 4, a lifting mechanism 5, and a nonwoven fabric cutting mechanism 6. The tension sensor 2 is mounted on the base 1 and is used to detect the tensile force during the tensile test. The lower clamp 3 is connected to the tension sensor 2 and is used to clamp one end of the nonwoven fabric sample to be tested. The upper clamp 4 is connected to the lifting mechanism 5 and is used to clamp the other end of the nonwoven fabric sample to be tested. The lifting mechanism 5 is used to drive the upper clamp 4 to move to perform the tensile test on the nonwoven fabric.

[0044] The nonwoven fabric cutting mechanism 6 includes a die-cutter 61 and a nonwoven fabric clipping plate 62. The base 1 is provided with a support riser 11, and the lifting mechanism 5 is mounted on the support riser 11. The nonwoven fabric clipping plate 62 is mounted on top of the support riser 11 and is used to clip the nonwoven fabric to be cut. The die-cutter 61 is connected to the lifting mechanism 5, and the die-cutter 61 and the nonwoven fabric clipping plate 62 are arranged in a corresponding manner. The lifting mechanism 5 drives the die-cutter 61 upward, cutting the nonwoven fabric clipped to the nonwoven fabric clipping plate 62, thereby preparing a nonwoven fabric sample.

[0045] Figure 3 As shown, the lifting mechanism 5 includes a base plate 51, a servo motor 52, a guide rail 53, a lead screw 54, and a slider 55. The base plate 51 is mounted vertically on the support riser 11. The guide rail 53 is mounted on the base plate 51 to guide the movement of the slider 55. The servo motor 52 is mounted on top of the base plate 51 to rotate the lead screw 54. The lead screw 54 is rotatably mounted on the base plate 51 and is threadedly connected to the slider 55. When the servo motor 52 rotates, the slider 55 moves up and down along the guide rail 53, thereby driving the upper clamp 4 and the die cutter 61.

[0046] Figure 2 and Figure 3 As shown, a die-cutting knife mounting plate 56 is provided on the upper portion of the slider 55, and a die-cutting knife 61 is provided on the die-cutting knife mounting plate 56, which facilitates the installation and replacement of the die-cutting knife 61. A clamp mounting plate 57 is provided on the lower portion of the slider 55, and the upper clamp 4 is provided on the clamp mounting plate 57, which facilitates the installation and adjustment of the upper clamp 4.

[0047] Elastic clamping plates 63 are provided on both side edges of the bottom of the non-woven fabric clamping plate 62. The elastic clamping plates 63 and the non-woven fabric clamping plate 62 are used to clamp the non-woven fabric to be cut, ensuring that the non-woven fabric will not shift during the cutting process.

[0048] Figure 3 As shown, the upper fixture 4 includes an upper mounting plate 41, an upper clamping plate 42, and upper fastening bolts 43. The upper mounting plate 41 is mounted on the slider 55, and the upper clamping plate 42 is connected to the upper mounting plate 41 via the upper fastening bolts 43. The nonwoven fabric sample to be tested is clamped between the upper mounting plate 41 and the upper clamping plate 42. The nonwoven fabric sample can be tightened or loosened by adjusting the tightening of the upper fastening bolts 43.

[0049] Figure 3 As shown, the lower fixture 3 includes a lower mounting plate 31, a lower clamping plate 32, and lower fastening bolts 33. The lower mounting plate 31 is mounted on the tension sensor 2, and the lower clamping plate 32 is connected to the lower mounting plate 31 via lower fastening bolts 33. The nonwoven fabric sample to be tested is clamped between the lower mounting plate 31 and the lower clamping plate 32. Similarly, the nonwoven fabric sample can be tightened or loosened by adjusting the tightening of the lower fastening bolts 33.

[0050] The nonwoven fabric tensile testing device of this invention uses a lifting mechanism 5 to drive a die cutter 61 upward, conveniently cutting the nonwoven fabric attached to a nonwoven fabric attachment plate 62 to prepare a nonwoven fabric sample. Simultaneously, the upper and lower clamps 4 and 3 clamp the nonwoven fabric sample to be tested, and the tensile force during the stretching process is detected by a tensile force sensor 2, thereby performing a tensile test on the nonwoven fabric. This device is easy to operate and improves testing efficiency.

[0051] Obviously, the embodiments described are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art are within the scope of protection of the present invention.

Claims

1. A nonwoven fabric tensile testing device, characterized by: It includes a base, a tension sensor, a lower clamp, an upper clamp, a lifting mechanism and a non-woven fabric cutting mechanism, the tension sensor is arranged on the base, the lower clamp is connected to the tension sensor, the upper clamp is connected to the lifting mechanism, the upper clamp and the lower clamp are used to clamp the non-woven fabric sample to be tested, the lifting mechanism is used to drive the upper clamp to move, the non-woven fabric cutting mechanism includes a die-cutting knife and a non-woven fabric clamping plate, a supporting vertical plate is provided on the base, the lifting mechanism is provided on the supporting vertical plate, the non-woven fabric clamping plate is provided on the top of the supporting vertical plate, the die-cutting knife is connected to the lifting mechanism, the die-cutting knife and the non-woven fabric clamping plate are arranged correspondingly, and the die-cutting knife is driven to rise by the lifting mechanism to cut the non-woven fabric clamped on the non-woven fabric clamping plate to prepare a non-woven fabric sample.

2. The nonwoven fabric tensile testing device according to claim 1, characterized in that: The lifting mechanism includes a base plate, a servo motor, a guide rail, a lead screw and a slider. The base plate is arranged on the supporting vertical plate in the up and down directions, the guide rail is arranged on the base plate, the servo motor is arranged on the top of the base plate, the lead screw is rotatably arranged on the base plate, the slider is slidably arranged on the guide rail and is threadedly connected to the lead screw. Through the rotation of the servo motor, the slider can move up and down along the guide rail, and the upper clamp and the die cutting knife are both arranged on the slider.

3. The nonwoven fabric tensile testing device according to claim 2, characterized in that: A die-cutting knife mounting plate is provided on the upper portion of the sliding block, and the die-cutting knife is provided on the die-cutting knife mounting plate.

4. The nonwoven fabric tensile testing device according to claim 3, characterized in that: A fixture mounting plate is provided at the lower portion of the slider, and the upper fixture is provided on the fixture mounting plate.

5. The nonwoven fabric tensile testing device according to claim 4, characterized in that: Elastic clamping plates are provided on both side edges of the bottom of the non-woven fabric clamping plate, and the elastic clamping plates and the non-woven fabric clamping plate are used to clamp the non-woven fabric to be cut.

6. The nonwoven fabric tensile testing device according to claim 5, characterized in that: The upper fixture includes an upper mounting plate, an upper clamping plate and an upper fastening bolt. The upper mounting plate is arranged on the slider. The upper clamping plate is connected to the upper mounting plate through the upper fastening bolt. The non-woven fabric sample to be tested is clamped between the upper mounting plate and the upper clamping plate.

7. The nonwoven fabric tensile testing device according to claim 6, characterized in that: The lower fixture includes a lower mounting plate, a lower clamping plate and a lower fastening bolt. The lower mounting plate is arranged on the tension sensor. The lower clamping plate is connected to the lower mounting plate through the lower fastening bolt. The non-woven fabric sample to be tested is clamped between the lower mounting plate and the lower clamping plate.

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