CN218600976U

CN218600976U - A frock that is used for adhesive peel strength pressurization system appearance

Info

Publication number: CN218600976U
Application number: CN202221868831.7U
Authority: CN
Inventors: 屈维维; 朱雪晴; 杨先果; 杨丽
Original assignee: Shanghai Haiying Machinery Plant
Current assignee: Shanghai Haiying Machinery Plant
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-03-10
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a tool for pressurizing and sample preparation of adhesive peeling strength, which comprises a bottom plate, a middle plate, an upper plate and a stand column, wherein the bottom plate, the middle plate and the upper plate are sequentially arranged from top to bottom, and the stand column penetrates through the bottom plate, the middle plate and the upper plate and is fixed through nuts; two side limit baffles are symmetrically installed at the top end of the bottom plate, a cushion block and a top limit baffle are arranged between the two side limit baffles, and a spring is sleeved on the stand column between the middle plate and the upper plate. The utility model provides a spacing fixing and pressurizing integrated tool, which ensures that the peeling strength sample preparation sample is not arranged, the pressurizing is stable and uniform, and the pressurizing sample preparation requirements of different pressures, different widths, different lengths (90-degree stripping and 180-degree stripping) and different quantities can be met; the tooling is light and convenient to use, the sample preparation quality and efficiency are improved, and the detection accuracy is ensured.

Description

A frock that is used for adhesive peel strength pressurization system appearance

Technical Field

The utility model relates to a test fixture technical field specifically is a frock that is used for adhesive peel strength pressurization system appearance.

Background

The adhesive peeling strength is a simulation experiment for inspecting the bonding condition between the adhesive and a substrate, is commonly used for judging the linear stress resistance of a glue joint, and is a necessary item for detecting the performance of a plurality of adhesives. The adhesive peeling strength detection needs sample preparation, and the sample preparation quality is the premise of accurate detection. The sample is processed, glued, air-cured, bonded, pressed and cured according to standard requirements to prepare a sample, wherein one surface of the sample adherend is a flexible plate (such as thin metal skin, fabric, rubber and the like) with the width of 20mm multiplied by 150mm or 25mm multiplied by 150mm, and the other surface can be a rigid plate (such as thick metal beam) with the thickness of 20mm multiplied by 150mm or 25mm multiplied by 150mm or the same flexible plate. The key and difficulty of sample preparation is that the rubber-coated surface test piece can be ensured to be out of place, and the sample can be accurately pressurized and cured according to the standard requirement.

At present, no matched sample preparation tool is sold in the market, and a laboratory self-prepares a plurality of sample preparation tools: limiting and lever pressurizing are adopted, so that large-pressure pressurizing is unstable, long-time keeping cannot be realized, and pressurizing is not uniform; the limit and the weight pressurization are not only unstable, but also the high-temperature curing oven is very inconvenient to move; the constant-force clamp is directly used for pressurizing, so that the application pressurizing range is small, the pressurizing is not uniform, the limiting is unavailable, and the rubber coated surface test piece is serious in position. The quality of the sample is not high when the tool is used for preparing the sample.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frock that is used for adhesive peel strength pressurization system appearance to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a tool for pressurizing and sample preparation of adhesive peeling strength comprises a bottom plate, a middle plate, an upper plate and stand columns, wherein the bottom plate, the middle plate and the upper plate are sequentially arranged from top to bottom, and the stand columns penetrate through the bottom plate, the middle plate and the upper plate and are fixed through nuts; two side limiting baffles are symmetrically installed at the top end of the bottom plate, a cushion block and a top limiting baffle are arranged between the two side limiting baffles, and a spring is sleeved on the stand column between the middle plate and the upper plate.

Preferably, the number of the stand columns is four, the four stand columns are distributed at four corners of the tool, and the stand columns are fixed on the bottom plate through stand column fixing screws.

Preferably, a sleeve for limiting is sleeved on the upright post of the spring.

Preferably, the side limit baffle is fixed on the bottom plate through a side baffle fixing screw.

Preferably, the top limit baffle is fixed on the bottom plate through a top baffle fixing screw.

Compared with the prior art, the beneficial effects of the utility model are that: the tool integrating limiting, fixing and pressurizing is provided, so that the unforeseen position of a sample preparation sample with peeling strength is ensured, the pressurizing is stable and uniform, and the requirements of pressurizing and sample preparation with different pressures, different widths, different lengths (90-degree stripping and 180-degree stripping) and different quantities can be met; the tooling is light and convenient to use, the sample preparation quality and efficiency are improved, and the detection accuracy is ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a plan view of the lower part of the present invention;

FIG. 4 is a schematic structural view of the side limiting baffle of the present invention;

fig. 5 is a cross-sectional view of the side limiting baffle of the present invention;

fig. 6 is a schematic structural view of the top limit baffle of the present invention;

fig. 7 is a cross-sectional view of the top limit baffle of the present invention.

In the figure: 1. a base plate; 2. a side limiting baffle; 3. cushion blocks; 4. a middle plate; 5. a spring; 6. an upper plate; 7. a nut; 8. a column; 9. a sleeve; 10. a top baffle fixing screw; 11. side baffle fixing screws; 12. fixing screws on the stand columns; 13. and a top limit baffle.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, in an embodiment of the present invention, a tool for pressure sample preparation of adhesive peel strength includes a bottom plate 1, a middle plate 4, an upper plate 6 and a column 8, wherein the bottom plate 1, the middle plate 4 and the upper plate 6 are sequentially disposed from top to bottom, and the column 8 penetrates through the bottom plate 1, the middle plate 4 and the upper plate 6 and is fixed by a nut 7; two side limiting baffles 2 are symmetrically arranged at the top end of the bottom plate 1, a cushion block 3 and a top limiting baffle 13 are arranged between the two side limiting baffles 2, and a spring 5 is sleeved on an upright post 8 between the middle plate 4 and the upper plate 6; the number of the upright columns 8 is four, the four upright columns 8 are distributed at four corners of the tool, and the upright columns 8 are fixed on the bottom plate 1 through upright column fixing screws 12; a sleeve 9 for limiting is sleeved on the upright post 8 from the spring 5; the side limiting baffle 2 is fixed on the bottom plate 1 through a side baffle fixing screw 11; the top limit baffle 13 is fixed on the bottom plate 1 through a top baffle fixing screw 10;

the upper, middle and lower three plates of the tool are divided into two layers, the lower layer is used for placing a sample, limiting by a baffle plate and heightening by a cushion block, and the upper layer is used for tightening a nut and compressing a spring for pressurization; three-side baffles and cushion blocks have multiple height specifications, so that samples with different quantities and sizes can be selected, and the test piece is ensured not to slide; the four-corner upright posts of the upper, middle and lower three plates penetrate through the upper and lower three plates to ensure stable pressurization; the spring penetrates through the upper-layer upright post, the upper plate is tightly pressed by screwing the nut of the upright post, and the upper plate tightly presses the cushion block to achieve the purpose of applying pressure to the sample; the size of the cushion block is the same as that of the glue coating surface of the sample, so that uniform pressurization is ensured; the tool is light and convenient due to the fact that parts with large stress, such as stainless steel materials for the stand columns, are not easy to rust and deform, and other parts are made of hard aluminum materials, such as upper, middle and lower three plates, cushion blocks and the like, are light and convenient, are not easy to rust and deform, and are convenient to move; the upright posts are thin in diameter and matched with sleeves of different specifications, so that the requirement of matching springs of different specifications in different pressurization ranges is met; the testing machine firstly tests the pressure required by springs of different specifications to be compressed to different heights, and establishes a list of stress values of the pressing heights of the springs; and selecting a proper spring to be compressed to a corresponding height according to different pressurizing requirements during sample preparation and referring to the catalog.

The utility model discloses a theory of operation is: placing the bonded sample on a lower layer, selecting a baffle with a matched height for fixing and limiting according to the number of the samples, and selecting a cushion block with a proper specification to be placed on the sample, wherein the height of the cushion block is about 20mm higher than the baffle; according to the standard material pressurization requirement, selecting a spring with a proper specification according to a force value catalog, installing, adjusting a nut through a wrench, pressing the spring to the height of the spring corresponding to the catalog pressurization requirement, curing at a temperature and for a time according to the standard requirement, standing and curing, and finishing sample preparation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a frock for adhesive peel strength pressurization system appearance, includes bottom plate (1), medium plate (4), upper plate (6) and stand (8), its characterized in that: the bottom plate (1), the middle plate (4) and the upper plate (6) are sequentially arranged from top to bottom, and the upright posts (8) penetrate through the bottom plate (1), the middle plate (4) and the upper plate (6) and then are fixed through nuts (7); two side limit baffles (2) are symmetrically installed at the top end of the bottom plate (1), a cushion block (3) and a top limit baffle (13) are arranged between the side limit baffles (2), and a spring (5) is sleeved on an upright post (8) between the middle plate (4) and the upper plate (6).

2. The tool for adhesive peel strength pressing sample preparation according to claim 1, characterized in that: the upright posts (8) are four in number, the upright posts (8) are distributed at four corners of the tool, and the upright posts (8) are fixed on the bottom plate (1) through upright post fixing screws (12).

3. The tool for pressing and sample preparation of the peel strength of the adhesive according to claim 1 or 2, wherein: and a sleeve (9) for limiting is sleeved on the upright post (8) from the spring (5).

4. The tool for adhesive peel strength pressing sample preparation according to claim 1, characterized in that: the side limiting baffle (2) is fixed on the bottom plate (1) through side baffle fixing screws (11).

5. The tool for adhesive peel strength pressing sample preparation according to claim 1, characterized in that: the top limiting baffle (13) is fixed on the bottom plate (1) through a top baffle fixing screw (10).