CN216926526U

CN216926526U - Test fixture

Info

Publication number: CN216926526U
Application number: CN202122890050.XU
Authority: CN
Inventors: 黄坤
Original assignee: Jiangsu Pengpai Tech Co ltd
Current assignee: Jiangsu Pengpai Tech Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-07-08
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a test fixture, which is used for detecting the push-out force of an internal adhesive between layers of a composite layered material. The push-out force test fixture is simple in structure and convenient to operate, and can be used for testing the push-out force of sample pieces with various specifications and different materials; the operation cost is saved, and the practical application capability is improved.

Description

Test fixture

Technical Field

The utility model relates to a push-out force test fixture for detecting an internal adhesive between layers of a composite layered material, and belongs to the technical field of experimental equipment.

Background

The requirement on the adhesive force performance between the composite layers is very high by the novel film layer composite material, certain requirements are provided for the push-out force, but the existing push-out force testing device cannot adapt to sample detection tests of various specifications, cannot fix and clamp sample pieces of different specifications, and cannot meet the requirements of practical application.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a test fixture, which is used for testing composite laminated material samples with different specifications, saves the test operation time, improves the test efficiency and meets the requirements of practical application.

In order to achieve the purpose, the utility model provides the following technical scheme:

a test fixture for detecting the push-out force of the internal adhesive between the layers of composite laminated material is composed of an upper pull part for clamping one layer of composite laminated material and a lower pull part for clamping another layer of composite laminated material, and features that said upper pull part and lower pull part are perpendicular to each other.

Further, the pull-up piece comprises a pull-up piece panel and pull-up piece clamping plates symmetrically arranged on the pull-up piece panel, and the pull-up piece clamping plates can be clamped and adjusted according to the width size of one layer of the composite laminated material.

Furthermore, symmetrical notches are formed in the top pull piece panel, adjusting bolts used for fixing the top pull piece clamping plates are arranged in the notches, and the clamping adjustment of the composite laminated material to be detected is achieved according to the position of the width adjusting bolt of one layer of the composite laminated material to be detected.

Further, the pull-down piece is an L-shaped clamping plate which is symmetrically arranged.

Further, the clamp also comprises a base of a pull-down piece for fixing; specifically, the L-shaped clamping plates are respectively detachably arranged on the bases.

Furthermore, a fastening component connected with an external pulling force device is arranged on the upper pulling piece panel.

In the above embodiment, the fastening component is a fixing knob, and the fixing knob is provided with a plug pin for connecting an external pulling force device.

The utility model has the beneficial effects that:

the device has a simple structure, is convenient to operate, and can realize the push-out force test of sample pieces with various specifications and different materials; the operation cost is saved, and the practical application capability is improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a right side view of the present invention.

Fig. 4 is a top view of the information of the present application.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 2 and 3, a test fixture for detecting a pushing-out force of an internal adhesive between layers of a composite layered material includes a pull-up member 1 for gripping one layer 51 of the composite layered material 5 and a pull-down member 2 for gripping the other layer 52 of the composite layered material 5, wherein the pull-up member 1 and the pull-down member 2 are vertically disposed.

In the above embodiment, the pull-up 1 includes a pull-up panel 12, and pull-up cleats 11 symmetrically disposed on the pull-up panel 12. The pull-up clamp plate 11 can be adjusted for gripping according to any one of the dimensions of the side length (e.g., width) of the composite laminar material layer 51.

Referring to fig. 2 and 4, in the above embodiment, the top board 12 is provided with symmetrical notches 13, and the adjusting bolts 14 for fixing the top clamp plate 11 are disposed in the notches 13, so as to adjust the position of the adjusting bolts 14 according to the width of the sample layer 51, thereby clamping and adjusting the sample 5.

In the above embodiment, the pull-down member 2 is an L-shaped clamp plate 21 symmetrically installed.

Referring to fig. 1 and 3, in the above embodiment, the clamp further includes a base 6 for fixing the pull-down member 2; specifically, the L-shaped clamp plates 21 are detachably mounted on the bases 6, respectively.

In the above described embodiment the pull-up panel 12 is provided with fastening means 7 for connection to an external pulling force device.

In the above embodiment, the fastening member 7 may be a fixing knob, and a plug for connecting an external tension device may be provided on the fixing knob.

The push-out force test fixture specifically comprises the following operation steps:

1. fixing the upper pulling piece 1 with an external pulling machine through a fastening part 7;

2. taking out any one L-shaped clamping plate 21 of the lower pulling piece 2, putting in the composite laminated material sample 5, fixing the sample with the upper pulling piece 1, then installing the disassembled L-shaped clamping plate 21, and further adjusting the position of the clamping plate 11 of the upper pulling piece through the adjusting bolt 14 to be attached to the sample 5 so as to stabilize the sample;

3. starting a tensile machine, clamping a lower layer 52 of the sample by a lower pulling part 2 to be fixed, driving an upper layer 51 of the clamped sample upwards by an upper pulling part 1 according to the upward traction force of the tensile machine until the upper part and the lower part of the sample are separated, finishing the test, and measuring the pushing force value of the adhesive between the layers of the sample;

4. and after the tensile machine returns to the original position, taking out any one L-shaped clamping plate 21 of the lower pulling part 2, taking out the tested sample 5, putting a new sample, and circulating in sequence.

The push-out force test fixture can adjust the clamping position according to composite layered material samples with different specifications, so that the practical application capability is improved; meanwhile, the operation process is safe and stable, and the test accuracy is improved; the device is easy to assemble and disassemble and easy to clean, and can be widely applied to production practice.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A test fixture for detecting the push-out force of an internal adhesive between layers of a composite laminated material is characterized by comprising an upper pull piece and a lower pull piece, wherein the upper pull piece is used for clamping one layer of the composite laminated material, the lower pull piece is used for clamping the other layer of the composite laminated material, and the upper pull piece and the lower pull piece are arranged perpendicularly.

2. The test fixture of claim 1, wherein the pull-up includes a pull-up panel and pull-up cleats capable of gripping according to a width dimension of one of the layers of the composite laminar material, the pull-up cleats being symmetrically disposed on the pull-up panel.

3. The test fixture as claimed in claim 2, wherein the top pull panel is provided with symmetrical notches, the notches are provided with adjusting bolts for fixing the top pull clamping plates, and the positions of the adjusting bolts are adjusted according to the width of one layer of the composite layered material to be tested so as to clamp and adjust the composite layered material to be tested.

4. The test fixture of claim 1, wherein the pull-down member comprises L-shaped cleats arranged in a symmetrical arrangement.

5. The test fixture of claim 4, further comprising a base for a fixed pull-down piece; the L-shaped clamping plates are respectively detachably arranged on the base.

6. The test fixture of claim 1, wherein the pull-up panel has a fastening member attached thereto for attachment to an external pulling device.

7. The test fixture of claim 6, wherein the fastening member is a fixing knob, and a plug pin for connecting an external pulling device is disposed on the fixing knob.