PET cotton packing belt tensile test clamp

Abstract

The utility model discloses a tensile test fixture for a PET (Polyethylene Terephthalate) cotton packing belt. The tensile test fixture comprises a fastening module, a cover body, an input port, an observation port and a mounting chuck, wherein the fastening module comprises two clamping jaws, the two clamping jaws are arranged in the cover body respectively, center shafts at the two ends of the two clamping jaws are movably connected with the two ends of the cover body respectively, and one sides of the two clamping jaws are hinged to corresponding connecting rods through pin shafts respectively. The PET belt is input through the input port, the PET belt penetrates through the two clamping jaws, at the moment, the rotary knob is screwed, the two clamping jaws respectively clamp and fix the PET belt through the fastening module, the clamping jaws can clamp the PET belt more firmly through the set of anti-skid teeth arranged on the two clamping jaws, a tensile experiment can be conveniently conducted on the PET belt through a follow-up external testing machine, and the tensile test efficiency is improved. And the problem of breakage of the PET belt can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of PET cotton strapping tension test, in particular to a PET cotton strapping tension test fixture. Background Art

[0002] In recent years, domestic cotton packaging has begun to be widely used in PET tape. PET is a high-density fiber tape, an internationally recognized general advanced polymer packaging material, and a new type of cotton packaging material. At present, the various environmental properties of PET used in cotton packaging tapes need further research. In order to further improve the experimental quality and ensure the accuracy of the experimental data, improving the clamping quality of the PET tape during the tensile test is the key;

[0003] In the existing tensile test of PET cotton strapping, the PET strap to be tested is directly placed in the mold clamp of the testing machine and clamped to perform the tensile test. During the tensile test, the two ends of the clamped strap will break before the middle part of the strap, so the real performance of the strap cannot be measured;

[0004] Therefore, it is necessary to provide a PET cotton strapping tensile test fixture to solve the above technical problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a PET cotton strapping tension test fixture.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] PET cotton strapping tensile test fixture, including a fastening module, a cover, an input port, an observation port, and a mounting chuck;

[0008] Wherein, the fastening module comprises two clamping jaws, the two clamping jaws are respectively arranged in the cover body, the central axes at both ends of the two clamping jaws are respectively movably connected to the two ends of the cover body, and one side of the two clamping jaws is respectively connected to the corresponding connecting rod through a pin hinge;

[0009] One end of the two connecting rods is respectively connected to the corresponding sliders through a pin hinge, and the two sliders are respectively arranged in the screw rod groove, and the screw rod groove is arranged on one side of the cover body. The inner two ends of the screw rod groove are respectively movably connected to one end of the bidirectional screw rod, and the two sliders are respectively threadedly connected to the bidirectional screw rod, and the bidirectional screw rod is respectively provided with two sections of threads with opposite thread directions, one end of the bidirectional screw rod passes through one end of the screw rod groove, and one end of the bidirectional screw rod is fixedly connected to the center of the knob.

[0010] Preferably, the input port is provided in the middle of one side of the cover body.

[0011] Preferably, one side of the cover body is fixedly connected to the mounting clamp.

[0012] Preferably, corresponding anti-slip teeth are respectively provided on opposite sides of the two clamping jaws.

[0013] Preferably, corresponding observation ports are respectively provided on both sides of the cover body.

[0014] Compared with the related art, the beneficial effects of the utility model are:

[0015] 1. Input the PET tape through the input port and make it pass through the two clamping jaws. At this time, turn the knob to make the two clamping jaws clamp and fix the PET tape respectively through the fastening module. A set of anti-slip teeth on the two clamping jaws can make the clamping jaws clamp the PET tape more tightly, which is convenient for the subsequent external testing machine to perform tensile tests on the PET tape, and can effectively avoid the problem of PET tape breakage;

[0016] 2. Corresponding observation ports are respectively provided on both sides of the cover body. During the process of clamping and fixing the PET tape, the clamping condition of the PET tape can be observed through the two observation ports. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0018] Figure 2 It is a three-dimensional schematic diagram of the utility model.

[0019] Figure 3 It is a schematic diagram of the connection structure of some parts of the utility model.

[0020] Figure 4 It is a schematic diagram of the connection structure of some parts of the utility model after cutting.

[0021] Figure 5 It is a schematic diagram of the connection structure of some parts of the utility model after cutting.

[0022] In the figure:

[0023] 1: Fastening module, 11, clamping claw, 12, anti-slip teeth, 13, slider, 14, bidirectional screw rod, 15, connecting rod, 16, knob, 17, screw rod slot;

[0024] 2. Cover body;

[0025] 3. Input port;

[0026] 4. Observation port;

[0027] 5. Install the chuck. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] First embodiment

[0030] A PET cotton strapping tensile test fixture comprises a fastening module 1, a cover body 2, an input port 3, an observation port 4, and a mounting chuck 5;

[0031] The fastening module 1 includes two clamping jaws 11, which are respectively arranged in the cover body 2, and the central axes at both ends of the two clamping jaws 11 are respectively movably connected to the two ends of the cover body 2, and one side of the two clamping jaws 11 is respectively connected to the corresponding connecting rod 15 through a pin hinge;

[0032] One end of the two connecting rods 15 is connected to the corresponding slider 13 through a pin hinge, and the two sliders 13 are respectively arranged in a screw rod groove 17, and the screw rod groove 17 is arranged on one side of the cover body 2. The inner ends of the screw rod groove 17 are respectively movably connected to one end of a bidirectional screw rod 14, and the two sliders 13 are respectively threadedly connected to the bidirectional screw rod 14. The bidirectional screw rod 14 is respectively provided with two sections of threads with opposite thread directions, one end of the bidirectional screw rod 14 passes through one end of the screw rod groove 17, and one end of the bidirectional screw rod 14 is fixedly connected to the center of the knob 16.

[0033] The input port 3 is provided in the middle of one side of the cover body 2 .

[0034] One side of the cover body 2 is fixedly connected to the mounting clamp 5 .

[0035] Corresponding anti-slip teeth 12 are respectively provided on opposite sides of the two clamping jaws 11 .

[0036] Working principle: first, install the mounting chuck 5 and the external testing machine to fix the device, input the PET tape through the input port 3, and make the PET tape pass through the two clamping jaws 11. At this time, turn the knob 16, the knob 16 drives the bidirectional screw rod 14 to rotate, and the bidirectional screw rod 14 drives the corresponding sliders 13 to slide respectively. The two sliders 13 drive the corresponding connecting rods 15 to swing respectively, and the two connecting rods 15 drive the corresponding clamping jaws 11 to swing respectively. The two clamping jaws 11 clamp and fix the PET tape respectively. A group of anti-slip teeth 12 provided on the two clamping jaws 11 can make the clamping jaws 11 clamp the PET tape more tightly. After the PET tape is clamped and fixed, stop turning the knob 16, and then use the external testing machine to perform a tensile test on the PET tape, which can effectively avoid the problem of PET tape breakage.

[0037] Beneficial effect: The PET tape is input through the input port 3, so that the PET tape passes through the two clamping jaws 11. At this time, the knob 16 is turned, and the two clamping jaws 11 clamp and fix the PET tape respectively through the fastening module 1. A group of anti-slip teeth 12 provided on the two clamping jaws 11 can make the clamping jaws 11 clamp the PET tape more tightly, which is convenient for the external testing machine to perform a tensile test on the PET tape, and can effectively avoid the problem of PET tape breakage.

[0038] Second embodiment

[0039] This embodiment is a further elaboration of the first embodiment, and corresponding observation ports 4 are respectively provided on both sides of the cover body 2 .

[0040] Working principle: Corresponding observation ports 4 are respectively provided on both sides of the cover body 2. During the process of clamping and fixing the PET tape, the clamping condition of the PET tape can be observed through the two observation ports 4.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. PET cotton strapping tensile test fixture, characterized in that: The PET cotton strapping tensile test fixture includes: A fastening module (1), a cover (2), an input port (3), an observation port (4), and a mounting chuck (5); The fastening module (1) comprises two clamping jaws (11), the two clamping jaws (11) are respectively arranged in the cover body (2), the central axes at both ends of the two clamping jaws (11) are respectively movably connected to the two ends of the cover body (2), and one side of the two clamping jaws (11) is respectively connected to the corresponding connecting rod (15) through a pin hinge; One end of the two connecting rods (15) is respectively connected to the corresponding slider (13) through a pin hinge, and the two sliders (13) are respectively arranged in a screw rod groove (17), and the screw rod groove (17) is arranged on one side of the cover body (2). The two ends of the inner side of the screw rod groove (17) are respectively movably connected to one end of a bidirectional screw rod (14), and the two sliders (13) are respectively threadedly connected to the bidirectional screw rod (14), and the bidirectional screw rod (14) is respectively provided with two sections of threads with opposite thread directions, and one end of the bidirectional screw rod (14) passes through one end of the screw rod groove (17), and one end of the bidirectional screw rod (14) is fixedly connected to the center of the knob (16).

2. The PET cotton strapping tensile test fixture according to claim 1, characterized in that: The input port (3) is provided in the middle of one side of the cover body (2).

3. The PET cotton strapping tensile test fixture according to claim 1, characterized in that: One side of the cover body (2) is fixedly connected to the mounting clamp (5).

4. The PET cotton strapping tensile test fixture according to claim 1, characterized in that: Corresponding anti-slip teeth (12) are respectively provided on opposite sides of the two clamping jaws (11).

5. The PET cotton strapping tensile test fixture according to claim 1, characterized in that: The two sides of the cover body (2) are respectively provided with corresponding observation ports (4).

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