CN217766023U - Easy-to-draw glues mechanical properties testing arrangement - Google Patents

Abstract

The utility model discloses a mechanical properties testing arrangement is glued to easy-to-draw, include the base and set up in the testboard of base top, be provided with the contained angle mounting between testboard and the base, the testboard is provided with the sticky tape and adds the pressure member, and the testboard is located to the removable release of sticky tape pressure member. The easy-to-draw glue mechanical property testing device is reasonable in structure and comprises a testing table and a base, wherein an included angle fixing piece is arranged between the testing table and the base, so that the extraction force of the easy-to-draw glue can be measured at different included angles; the adhesive tape pressurizing piece is arranged on the test board through the detachable pressure relief, so that the extraction force of the easy-to-draw adhesive can be measured under the action of different pressures, the accuracy and the reliability of the numerical value of the extraction force of the easy-to-draw adhesive are improved, the application field of the easy-to-draw adhesive is expanded, and the error between the use effect of the easy-to-draw adhesive on actual materials and actual environments and the measured numerical value is reduced.

Description

Easy-to-draw glues mechanical properties testing arrangement

Technical Field

The utility model belongs to the technical field of the experimental device technique and specifically relates to a mechanical properties testing arrangement is glued to easy-to-draw.

Background

With the rapid development of the automobile and electronic industries, various adhesive tapes are applied to products such as computers, mobile phones, household appliance parts and the like. The easy-open glue is used for temporary or permanent fixation of the internal element to replace the original mechanical fixation or welding fixation. Because electronic components are subjected to aging replacement of components or replacement of components with unequal service lives, or component maintenance or component recycling in the using process, the stretchable removable adhesive for temporary fixation has higher requirements, such as easily removing the adhesive by stretching the head of the adhesive tape; batteries that pollute the environment must be disassembled without damage; meanwhile, reliable service performance and permanent bonding can be achieved during assembly. Therefore, the force value of the pop-top glue extraction needs to be quantitatively measured. The existing measuring instrument for the extraction force value of the easy-to-pull adhesive is single in extraction force detection angle and single in extraction force detection value under the action of a pressurizing piece, namely only a specific pressure is set to act on an adhesive tape, the extraction force measurement angle is 90 degrees, the data of the force value extracted by the easy-to-pull adhesive under the corresponding test condition is measured again, the measured data is not accurate enough, errors exist in actual use, reference data does not have convincing power, and therefore the application range and the environment of the easy-to-pull adhesive are limited.

Therefore, it is necessary to improve the mechanical property testing device for pop-top glue in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a device for testing the mechanical property of the easy-to-draw adhesive, wherein an included angle fixing piece is arranged between a test board and a base, so that the extraction force of the easy-to-draw adhesive can be measured at different measuring angles; the adhesive tape pressurizing piece is arranged on the test board through the detachable pressure relief, so that the extraction force of the easy-to-pull adhesive under different pressure can be measured, the application field of the easy-to-pull adhesive is improved, and the accuracy of the measurement value of the extraction force of the easy-to-pull adhesive is also improved.

In order to realize the technical effect, the utility model adopts the technical scheme that: the device for testing the mechanical property of the easy-to-draw adhesive comprises a base and a test board arranged above the base, wherein an included angle fixing piece is arranged between the test board and the base, an adhesive tape pressurizing piece is arranged on the test board, and the detachable pressure of the adhesive tape pressurizing piece is arranged on the test board.

In order to adjust the clamping angle between the test board and the base and measure the material extraction force values of different included angles between the extraction force and the easy-to-draw glue, the preferred technical scheme is that the included angle fixing piece comprises an arc-shaped guide piece and a fixing piece, and the fixing piece is used for fixing a station with a preset included angle between the test board and the base; one of the test board and the base is provided with an arc-shaped guide part, and the other one of the test board and the base is provided with a guide sliding block which moves along the arc-shaped guide part.

In order to optimize the structure of the adhesive tape pressing part and realize the gravity adjustability of the adhesive tape pressing part, the preferable technical scheme is that the adhesive tape pressing part comprises a support and a plurality of weights which can be removed from the support.

In order to improve the steadiness of support, when preventing to adjust the contained angle between testboard and the base, the support glides along the inclined plane, influences the accuracy of material extraction power survey, and preferred technical scheme does, the testboard includes first end and second end, first end with the base rotates to be connected, the first end of testboard is provided with first locating part, first locating part is used for fixing sticky tape pressure parts presss from both sides the station of establishing easy drawing glue with the testboard.

For firm weight, when preventing to adjust the angle between testboard and the base or when survey material extraction power the weight drops the accuracy that influences the experiment, preferred technical scheme does, the support include the second locating part and with first locating part looks butt complex flange, the second locating part set up in between the side and/or the side of support.

According to the principle of determining a line from two points, in order to exert the optimal effect of the second limiting member on stabilizing the weight, the preferred technical scheme is that the second limiting member comprises at least two unit limiting members.

In order to improve the laminating fastness of support and first locating part, further improve the steadiness of support, when preventing to adjust the contained angle between testboard and the base, the support glides along the inclined plane, influences the accuracy of material extraction power survey, and preferred technical scheme does, be provided with between first locating part and the flange and inhale the piece.

In order to optimize the structure of weight, improve the weight steadiness and apply the pressure homogeneity on easy drawing glues, preferred technical scheme does, the weight is the slice, the weight be provided with second locating part matched with through-hole.

In order to determine the rotation angle between the test bench and the base, the pressure of the adhesive tape pressurizing piece acting on the test bench is accurately converted under different included angles between the test bench and the base, and then the value of the extraction force of the easy-pulling adhesive under the set test condition is measured, the preferred technical scheme is that the arc-shaped guide piece is provided with scales.

The utility model has the advantages and the beneficial effects that:

the easy-to-draw glue mechanical property testing device is reasonable in structure and comprises a testing table and a base, wherein an included angle fixing piece is arranged between the testing table and the base, so that the extraction force of the easy-to-draw glue can be measured under different included angles; the adhesive tape pressurizing piece is arranged on the test board through the detachable pressure relief, so that the extraction force of the easy-to-draw adhesive can be measured under the action of different pressures, the accuracy and the reliability of the numerical value of the extraction force of the easy-to-draw adhesive are improved, the application field of the easy-to-draw adhesive is expanded, and the error between the use effect of the easy-to-draw adhesive on actual materials and actual environments and the measured numerical value is reduced.

Drawings

Fig. 1 is a front view of embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of embodiment 1 of the present invention;

fig. 3 is a schematic perspective view (another view) of embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of the adhesive tape pressurizing member and the test board according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a fixing member according to embodiment 1 of the present invention;

FIG. 6 is a schematic structural view of an adhesive tape pressing member according to embodiment 2 of the present invention;

fig. 7 is a schematic structural view of a tape pressing member according to embodiment 3 of the present invention.

In the figure: 1. a base; 2. a test bench; 3. an included angle fixing part; 4. an adhesive tape pressing member; 20. a first limit piece; 30. an arc-shaped guide member; 31. a fixing member; 40. a support; 41 weight; 311. a limiting part; 312. a guide portion; 313. a threaded portion; 400. a through hole; 410. a second limit piece; 411. and (7) blocking edges.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Angle fixing piece

The device comprises an arc-shaped guide part and a fixing part, wherein the fixing part is used for fixing a station with a preset included angle between a test board and a base;

in order to improve the operation visual field and the window of the test bench, the test bench is further fixedly connected with the arc-shaped guide piece, and the base is provided with a guide sliding block moving along the arc-shaped guide piece. Furthermore, the fixing part is a jacking nut, a bolt or a magnetic part. Furthermore, the fixed part is a guide sliding block. The guide sliding block comprises a limiting part, a guide part and a thread part which are connected in sequence, the guide part moves along the arc-shaped guide piece, the thread part is in threaded connection with the base, and the arc-shaped guide piece is clamped between the limiting part and the base.

First position limiting part

The height of the first limiting part is set according to the sliding force of the adhesive tape pressurizing part along the inclined plane of the test bench. The first limiting member includes, but is not limited to, an L-shaped member, a U-shaped member, and an I-shaped member.

Support frame

Comprises a second limiting part and a flange which is in butt fit with the first limiting part; the second limiting piece is a limiting column and/or a side flange; the second limiting part comprises at least two unit limiting parts, and the two unit limiting parts are arranged between the side edges and/or the side edges of the bracket respectively.

Easy-to-draw glue

The easy-pulling adhesive is a double-sided adhesive.

Included angle

The direction of the extracting force is upward along the vertical direction; the included angle between the test table and the base is alpha, the alpha is generally set to be 0 degrees, 30 degrees or 60 degrees, and the included angles between the drawing force and the easy-to-draw glue are 90 degrees, 60 degrees and 30 degrees correspondingly in sequence.

Example 1

As shown in fig. 1 to 5, the mechanical property testing device for the pop-top adhesive comprises a base 1 and a test board 2 arranged above the base 1, an included angle fixing piece 3 is arranged between the test board 2 and the base 1, an adhesive tape pressurizing piece 4 is arranged on the test board 2, and the adhesive tape pressurizing piece 4 is detachable and pressure-relief arranged on the test board 2. The tape presser member 4 includes a holder 40 and a plurality of weights 41 removable in the holder 40. The test bench 2 comprises a first end part and a second end part, the first end part is rotatably connected with the base 1, a first limiting part 20 is arranged at the first end part of the test bench 2, and the first limiting part 20 is used for fixing a station where the adhesive tape pressurizing part 4 and the test bench 2 clamp the easy-pulling adhesive. The first limiting member 20 extends along the height direction of the test platform 2, and the structure of the first limiting member 20 is L-shaped.

The included angle fixing piece 3 comprises an arc-shaped guide piece 30 and a fixing piece 31, and the fixing piece 31 is used for fixing a station with a preset included angle between the test board 2 and the base 1; arc guide 30 is provided with the scale, and testboard 2 is provided with arc guide 30, and base 1 is provided with the direction slider, and the direction slider removes along arc guide 30. The fixing member 31 is a guide slider, the guide slider includes a limiting portion 311, a guide portion 312 and a threaded portion 313 which are connected in sequence, the guide portion 312 moves along the arc-shaped guide member 30, the threaded portion 313 is in threaded connection with the base 1, and the arc-shaped guide member 30 is clamped between the limiting portion 311 and the base 1.

The bracket 40 includes a second limiting member 410 and a flange 411 in abutting fit with the first limiting member 20, a magnetic member is disposed between the first limiting member 20 and the flange 411, the second limiting member 410 is a flange on one side and two limiting posts, the side flange is disposed on the side of the bracket 40, and the two limiting posts are disposed between the sides in a collinear manner.

The weight 41 is in a sheet shape, and the weight 41 is provided with a through hole 400 matched with the second limiting member 410.

Example 2

As shown in fig. 6, the embodiment 2 is based on the embodiment 1, and the difference is that the bracket 40 includes a second limiting member 410 and a flange 411 abutting against and matching with the first limiting member 20, the second limiting member 410 is two limiting posts, and the two limiting posts are arranged between the side edges in a collinear manner.

Example 3

As shown in fig. 7, the embodiment 3 is based on the embodiment 1, and is different in that the bracket 40 includes a second limiting member 410 and a rib 411 in abutting engagement with the first limiting member 20, the second limiting member 410 is two side ribs, and the two side ribs are respectively disposed on the side edges of the bracket.

When the easy-to-draw adhesive mechanical property testing device of embodiment 1 is used, an easy-to-draw adhesive tape is adhered to the test board 2, the adhesive tape pressurizing piece 4 is pressed on the test board 2, one part of the easy-to-draw adhesive tape is clamped between the adhesive tape pressurizing piece 4 and the test board 2, and the other part of the easy-to-draw adhesive tape is exposed out of the outer side of the adhesive tape pressurizing piece 4 to serve as an extraction part. The testing table 2 is provided with a first limiting member 20 for fixing the adhesive tape pressurizing member 4 and the testing table 2 to clamp an easy-pulling adhesive station, and the support 40 of the adhesive tape pressurizing member 4 is provided with a flange 411 which is in butt fit with the first limiting member 20. After the adhesive tape pressurizing part 4 is stable, an included angle between the test board 2 and the base 1 is set, the arc-shaped guide part 30 is arranged through the test board 2, the base 1 is provided with a guide sliding block, the guide sliding block moves along the arc-shaped guide part 30, and a station with a preset included angle between the test board 2 and the base 1 is fixed through the fixing part 31. The number of weights 41 corresponding to the set pressure value is placed in the holder 40, and the value of the extraction force is measured and recorded, and then the next measurement is performed. Keeping the included angle between the test bench 2 and the base 1 unchanged, placing a plurality of weights 41 in the adjusting support 40 to further adjust the pressure applied to the easy-to-draw adhesive, measuring and recording the numerical value of the drawing force, and researching the influence and the rule of the gravity of different adhesive tape pressurizing pieces 4 on the numerical value of the easy-to-draw adhesive drawing force under the same set included angle. Or the included angle between the test board 2 and the base 1 is changed to be the same, the pressure value applied to the easy-to-draw adhesive is kept unchanged by placing the weights 41 in the adjusting support 40, then the numerical value of the drawing force is measured and recorded, and the influence and the rule of the numerical value of the drawing force of the easy-to-draw adhesive on the included angle between different drawing forces and the easy-to-draw adhesive under the condition that the pressure applied to the easy-to-draw adhesive is the same are researched.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides an easy-to-draw glues mechanical properties testing arrangement, include base (1) and set up in testboard (2) of base (1) top, its characterized in that, be provided with contained angle mounting (3) between testboard (2) and base (1), testboard (2) are provided with sticky tape and add pressure member (4), the removable release pressure of sticky tape add pressure member (4) is located testboard (2).

2. The pop-top glue mechanical property testing device is characterized in that the included angle fixing piece (3) comprises an arc-shaped guide piece (30) and a fixing piece (31), and the fixing piece (31) is used for fixing a station with a preset included angle between the test bench (2) and the base (1); one of the test bench (2) and the base (1) is provided with an arc-shaped guide piece (30), and the other is provided with a guide sliding block which moves along the arc-shaped guide piece (30).

3. The pop-top tape mechanical property testing device of claim 1, wherein the tape pressing member (4) comprises a bracket (40) and a plurality of weights (41) which can be removed from the bracket (40).

4. The pop-top tape mechanical property testing device according to claim 3, wherein the testing table (2) comprises a first end portion and a second end portion, the first end portion is rotatably connected with the base (1), the first end portion of the testing table (2) is provided with a first limiting member (20), and the first limiting member (20) is used for fixing a station where the tape pressurizing member (4) and the testing table (2) clamp the pop-top tape.

5. The pop-top glue mechanical property testing device according to claim 4, wherein the bracket (40) comprises a second limiting member (410) and a rib (411) in abutting fit with the first limiting member (20), and the second limiting member (410) is arranged between the side edges and/or between the side edges of the bracket (40).

6. The pop-top glue mechanical property testing device as recited in claim 5, wherein the second limiting member (410) comprises at least two unit limiting members.

7. The device for testing the mechanical property of the pop-top glue according to claim 5, wherein a magnetic piece is arranged between the first limiting piece (20) and the rib (411).

8. The easy-open glue mechanical property testing device according to claim 5 or 6, characterized in that the weight (41) is sheet-shaped, and the weight (41) is provided with a through hole (400) matched with the second limiting piece (410).

9. The pop-top can mechanical property testing device of claim 2, wherein the arc-shaped guide (30) is provided with scales.

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