CN220751938U - Device for measuring peel strength - Google Patents
Device for measuring peel strength Download PDFInfo
- Publication number
- CN220751938U CN220751938U CN202322468262.8U CN202322468262U CN220751938U CN 220751938 U CN220751938 U CN 220751938U CN 202322468262 U CN202322468262 U CN 202322468262U CN 220751938 U CN220751938 U CN 220751938U
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- steel plate
- tested
- peel strength
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000009864 tensile test Methods 0.000 claims abstract description 14
- 238000009826 distribution Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a device for measuring peel strength, which comprises a steel plate backing, a sample to be measured and a steel plate clamp assembly, wherein the steel plate backing is fixed on a tensile testing machine; the steel plate clamp assembly can clamp and fix the part stripped from the surface of the sample to be tested. According to the utility model, by combining the device with the tensile testing machine, the influence of a moment arm possibly existing in the measuring process on the accuracy of an experimental result is avoided, the data are relatively visual and accurate, the preparation work is very simple and convenient, and the assistance is provided for people to measure the peeling strength in various engineering experimental processes; meanwhile, by arranging the anti-slip clamping grooves on the pressing plate at intervals, the arranging direction of the anti-slip clamping grooves is mutually perpendicular to the stretching direction of the sample to be measured, and the stability of the peeling strength measuring device can be further improved through the arrangement of the anti-slip clamping grooves.
Description
Technical Field
The utility model relates to the technical field related to tensile tests, in particular to a device for measuring peel strength.
Background
The peeling strength testing machine is an electronic peeling testing machine which is specially suitable for performance testing of peeling, stretch breaking and the like of related products such as adhesives, adhesive tapes, self-adhesive tapes, medical patches, protective films, release papers, composite films, artificial leather, woven bags, films, paper and the like.
The existing device for measuring the peeling strength in the market often has the influence of a moment arm in the measurement because of bending in the horizontal direction, so that the measurement result has larger error. The user is also more cumbersome to use and the assembly of the device is also relatively complex, resulting in limited progress in simpler peel strength measurements. Thus, there is a need for a device that can simply and accurately measure peel strength.
Disclosure of Invention
In order to overcome the defects existing in the prior art, a device for measuring the peeling strength is provided, so that the bending in the horizontal direction is solved, the influence of a moment arm exists in the measurement, and the measurement result has larger error. The user is also more cumbersome to use and the assembly of the device is also relatively complex, resulting in the problem that simpler peel strength measurements have been progressing to a limited extent.
To achieve the above object, there is provided an apparatus for measuring peel strength, comprising: the steel plate backing is fixed on the tensile testing machine, the fixing component is fixedly arranged at the lower end part of the steel plate backing, and the fixing component can be used for fixing the sample to be tested and the steel plate backing; the steel plate clamp assembly can clamp and fix the part stripped from the surface of the sample to be tested.
Preferably, the fixed subassembly includes the mount pad, mount pad fixed mounting is on the steel sheet backing, the mount pad is "U" font, just have clamping bolt through threaded connection on the mount pad, clamping bolt inner tip fixed mounting has the clamp plate, the clamp plate is laminated with the sample that awaits measuring, clamp plate and steel sheet backing opposite face interval are equipped with a plurality of anti-skidding draw-in grooves.
Preferably, the steel plate clamp assembly comprises a pressing seat and a connecting support plate, the connecting support plate is fixed in a top clamp of the tensile testing machine, the pressing seat is connected with the connecting support plate through a limit bolt, a limit nut is connected to the limit bolt through threads, and the limit bolt is in square distribution.
Preferably, the steel plate back lining and the connecting support plates are arranged on two sides of the sample to be tested, and the steel plate back lining and the connecting support plates are attached to the sample to be tested.
Preferably, the width of the connecting support plate and the pressing seat is larger than that of the sample to be tested, and the sample to be tested is arranged between the connecting support plate and the pressing seat.
Preferably, the section of the anti-slip clamping groove is a U-shaped open groove, and the adjacent anti-slip clamping grooves are arranged at intervals.
Preferably, the opening direction of the anti-slip clamping groove is mutually perpendicular to the stretching direction of the sample to be tested.
Preferably, the center line of the clamping bolt and the center line of the limiting bolt are parallel to each other, and the number of the clamping bolts and the number of the limiting bolts are equal.
The utility model has the advantages that,
the device for measuring the peeling strength is combined with the tensile testing machine, so that the influence of a moment arm possibly existing in the measuring process on the accuracy of an experimental result is avoided, the data are relatively visual and accurate, the preparation work is very simple and convenient, and the assistance is provided for people to measure the peeling strength in various engineering experimental processes; meanwhile, by arranging the anti-slip clamping grooves on the pressing plate at intervals, the arranging direction of the anti-slip clamping grooves is mutually perpendicular to the stretching direction of the sample to be measured, and the stability of the peeling strength measuring device can be further improved through the arrangement of the anti-slip clamping grooves.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic front view of the present utility model;
FIG. 3 is a right side view of the present utility model;
fig. 4 is an enlarged schematic view at M of fig. 1 according to the present utility model.
In the figure: 1. backing steel plates; 2. connecting a support plate; 3. a steel plate clip assembly; 31. a pressing seat; 32. a limit bolt; 33. a limit nut; 4. a fixing assembly; 41. a mounting base; 42. clamping a bolt; 43. a pressing plate; 44. an anti-slip clamping groove; 5. and (5) testing a sample.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a device for measuring peel strength, comprising a steel plate backing 1, a sample 5 to be measured and a steel plate clamp assembly 3, wherein the steel plate backing 1 is fixed on a tensile testing machine, a fixing assembly 4 is fixedly arranged at the lower end of the steel plate backing 1, and the fixing assembly 4 can fix the sample 5 to be measured and the steel plate backing 1;
referring to fig. 1, the fixing assembly 4 includes a mounting seat 41, the mounting seat 41 is fixedly mounted on the steel plate backing 1, the mounting seat 41 is in a shape of a U, a clamping bolt 42 is connected to the mounting seat 41 through threads, a pressing plate 43 is fixedly mounted at an inner end of the clamping bolt 42, the pressing plate 43 is attached to the sample 5 to be tested, and a plurality of anti-slip clamping grooves 44 are formed in the opposite surfaces of the pressing plate 43 and the steel plate backing 1 at intervals. The section of the anti-slip clamping groove 44 is a U-shaped open groove, and adjacent anti-slip clamping grooves 44 are arranged at intervals. The opening direction of the anti-slip clamping groove 44 is mutually perpendicular to the stretching direction of the sample 5 to be tested. After the clamping bolt 42 is rotated, the pressing plate 43 is made to be close to the sample 5 to be measured, and the sample 5 to be measured can be pressed by the pressing of the clamping bolt 42, so that the sample 5 to be measured is fixed with the steel plate backing 1.
As shown in fig. 1 and 3, the steel plate clamp assembly 3 can clamp and fix the part peeled off from the surface of the sample 5 to be tested. Specifically, the steel plate clamp assembly 3 comprises a pressing seat 31 and a connecting support plate 2, the connecting support plate 2 is fixed in a top clamp of the tensile testing machine, the pressing seat 31 is connected with the connecting support plate 2 through a limiting bolt 32, the center line of a clamping bolt 42 and the center line of the limiting bolt 32 are parallel to each other, and the number of the clamping bolts 42 and the number of the limiting bolts 32 are equal. The limit bolts 32 are connected with limit nuts 33 through threads, and the limit bolts 32 are distributed in a square shape. The steel plate backing 1 and the connecting support plate 2 are arranged on two sides of the sample 5 to be tested, and the steel plate backing 1 and the connecting support plate 2 are attached to the sample 5 to be tested. The width of the connecting support plate 2 and the pressing seat 31 is larger than that of the sample 5 to be measured, and the sample 5 to be measured is arranged between the connecting support plate 2 and the pressing seat 31. Before the peel strength measurement is carried out, the sample 5 to be measured is subjected to linear cutting treatment, one surface of the sample 5 to be measured is cut and a part of the surface is pulled out, the pulled out part of the surface is clamped and fixed through the steel plate clamp assembly 3, in the specific operation, the spacing bolt 32 passes through the connecting support plate 2 and the pressing seat 31, the spacing nut 33 is connected to the clamping bolt 42 through threads, the spacing between the pressing seat 31 and the connecting support plate 2 can be shortened through the screwing of the spacing nut 33, and therefore the clamping and the fixing of the pulled out part of the sample 5 to be measured are more convenient.
Working principle: in this apparatus for measuring peel strength, first, one surface of a sample 5 to be measured is cut by wire cutting and a part of the surface is pulled out. Next, one surface of the uncut sample 5 to be tested is attached to the steel plate backing 1, and is clamped at the bottom of the tensile testing machine by using the fixing component 4 (the steel plate backing 1 is fixed with the tensile testing machine; at the same time, the cut-out surface portion is clamped into the steel plate clamp assembly 3, and is fastened by the limit bolts 32 and the limit nuts 33. In addition, a longer steel connecting support plate 2 is attached to a sample 5 to be tested, clamped by a limit nut 33, and then the connecting support plate 2 is fixed in a top clamp of a tensile testing machine;
after the preparation is completed, a stretching experiment is performed. The experiment was performed until the pulled-out surface portion of the sample 5 to be measured was completely peeled off or broken. In the tensile test, the average value of the relatively stable portion of the force was taken and divided by the width of the entire sample to obtain a relatively accurate peel strength.
It should be noted that, the structures, proportions, sizes and the like shown in the drawings attached to the present specification are used for understanding and reading only in conjunction with the disclosure of the present specification, and are not intended to limit the applicable limitations of the present utility model, so that any modification of the structures, variation of proportions or adjustment of sizes of the structures, proportions and the like should not be construed as essential to the present utility model, and should still fall within the scope of the disclosure of the present utility model without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
The present utility model has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the utility model based on the above description. Accordingly, certain details of the embodiments are not to be interpreted as limiting the utility model, which is defined by the appended claims.
Claims (8)
1. The utility model provides a measure peel strength's device, includes steel sheet back lining (1), awaits measuring sample (5) and steel sheet clamp subassembly (3), steel sheet back lining (1) is fixed in on the tensile testing machine, its characterized in that: the lower end part of the steel plate back lining (1) is fixedly provided with a fixing component (4), and the fixing component (4) can fix a sample (5) to be tested with the steel plate back lining (1); the steel plate clamp assembly (3) can clamp and fix the part peeled off from the surface of the sample (5) to be tested.
2. The apparatus for measuring peel strength of claim 1, wherein: the fixing assembly (4) comprises a mounting seat (41), the mounting seat (41) is fixedly mounted on a steel plate backing (1), the mounting seat (41) is U-shaped, a clamping bolt (42) is connected to the mounting seat (41) through threads, a pressing plate (43) is fixedly mounted at the inner end part of the clamping bolt (42), the pressing plate (43) is attached to a sample (5) to be tested, and a plurality of anti-slip clamping grooves (44) are formed in the opposite surface of the pressing plate (43) and the steel plate backing (1) at intervals.
3. A device for measuring peel strength as defined in claim 2, wherein: the steel plate clamp assembly (3) comprises a pressing seat (31) and a connecting support plate (2), wherein the connecting support plate (2) is fixed in a top clamp of the tensile testing machine, the pressing seat (31) is connected with the connecting support plate (2) through a limit bolt (32), a limit nut (33) is connected to the limit bolt (32) through threads, and the limit bolt (32) is in square distribution.
4. A device for measuring peel strength as defined in claim 3, wherein: the steel plate backing (1) and the connecting support plates (2) are arranged on two sides of the sample (5) to be tested, and the steel plate backing (1) and the connecting support plates (2) are attached to the sample (5) to be tested.
5. The apparatus for measuring peel strength as defined in claim 4, wherein: the width of the connecting support plate (2) and the pressing seat (31) is larger than that of the sample (5) to be tested, and the sample (5) to be tested is arranged between the connecting support plate (2) and the pressing seat (31).
6. The apparatus for measuring peel strength of claim 5, wherein: the section of the anti-slip clamping groove (44) is a U-shaped open groove, and the adjacent anti-slip clamping grooves (44) are arranged at intervals.
7. The apparatus for measuring peel strength of claim 6, wherein: the opening direction of the anti-slip clamping groove (44) is mutually perpendicular to the stretching direction of the sample (5) to be tested.
8. The apparatus for measuring peel strength of claim 7, wherein: the center line of the clamping bolt (42) and the center line of the limiting bolt (32) are parallel to each other, and the number of the clamping bolts (42) and the number of the limiting bolts (32) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322468262.8U CN220751938U (en) | 2023-09-12 | 2023-09-12 | Device for measuring peel strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322468262.8U CN220751938U (en) | 2023-09-12 | 2023-09-12 | Device for measuring peel strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220751938U true CN220751938U (en) | 2024-04-09 |
Family
ID=90567845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322468262.8U Active CN220751938U (en) | 2023-09-12 | 2023-09-12 | Device for measuring peel strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220751938U (en) |
-
2023
- 2023-09-12 CN CN202322468262.8U patent/CN220751938U/en active Active
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