CN219532878U - Test device for testing durability of hot melt adhesive - Google Patents
Test device for testing durability of hot melt adhesive Download PDFInfo
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- CN219532878U CN219532878U CN202320064905.XU CN202320064905U CN219532878U CN 219532878 U CN219532878 U CN 219532878U CN 202320064905 U CN202320064905 U CN 202320064905U CN 219532878 U CN219532878 U CN 219532878U
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- hot melt
- melt adhesive
- steel wire
- durability
- test device
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Abstract
The utility model relates to a test device for testing the bonding durability of a hot melt adhesive, which comprises a bracket, an upper clamp, a steel wire, a lower clamp and a load, wherein the bracket is used as a mounting foundation, the upper clamp is connected with the bracket, one end of the steel wire is clamped on the upper clamp, the lower end of the steel wire is used for connecting a hot melt adhesive block, the lower clamp is provided with a cavity for placing the hot melt adhesive block, and the load is hung on the lower clamp. The test device specially designed by the utility model can conveniently test the durability of the hot melt adhesive strength, particularly the durability of the bonding force between the hot melt adhesive and the steel wire with a special structure, and has the advantages of simple structure and low cost.
Description
Technical Field
The utility model relates to the field of hot melt adhesive durability testing technology, in particular to a testing device for testing the durability of hot melt adhesive.
Background
The bonding durability is an important technical index in the long-term application process of the hot melt adhesive, and particularly in the production of a pressure-bearing composite pipeline, the hot melt adhesive can be ensured to show durable bonding force when being stressed. The initial bonding performance of the hot melt adhesive can be tested by bonding force with a bonding test piece influenced by preparation of a bonding base material, the durability of the bonding force is tested by designing a specific test device, no good test device is used for testing at present, and the durability of the bonding force, particularly the bonding durability with a steel wire with a unique bonding base material structure, is required to be designed.
It is therefore necessary to design a test device for testing the durability of hot melt adhesives to solve the above-mentioned technical problems.
Disclosure of Invention
In order to overcome the defect that conventional equipment is difficult to measure the durability of the bonding force of the hot melt adhesive at present, the utility model provides a test device for testing the durability of the hot melt adhesive.
The utility model provides a test device for testing the durability of hot melt adhesive, which adopts the following technical scheme:
the utility model provides a test device for testing hot melt adhesive bonding durability, includes support, upper portion anchor clamps, steel wire, lower part anchor clamps and load, the support is as the installation basis, upper portion anchor clamps connect in the support, the one end centre gripping of steel wire in upper portion anchor clamps, the lower extreme of steel wire is used for connecting the hot melt adhesive piece, lower part anchor clamps are equipped with the cavity that is used for placing the hot melt adhesive piece, the load is hung and is located lower part anchor clamps.
Through adopting above-mentioned technical scheme, upper portion anchor clamps can carry out the centre gripping to the upper end of steel wire to fix the upper end of steel wire, the lower extreme of steel wire is used for being connected with the hot melt adhesive piece, at this moment, only need exert long-time, invariable effort on the hot melt adhesive piece, can test the persistence of the bonding force of special steel wire of structure and hot melt adhesive. Through offer the cavity that holds the hot melt adhesive piece on lower part anchor clamps to set up the load on lower part anchor clamps, under the gravity effect of load, the roof butt of hot melt adhesive piece and cavity of lower part anchor clamps, the hot melt adhesive piece receives and lasts and invariable decurrent effort, can test the persistence of the bonding force of steel wire and hot melt adhesive.
Optionally, the diameter of the steel wire is 1-3 mm, and the steel wire is formed by 1 strand of metal wires or is twisted by 2-6 strands of metal wires.
By adopting the technical scheme, the structure of the steel wire can be twisted by selecting metal wires with different diameters and different strands according to the needs.
Optionally, the roughness ra=0.05-0.1 μm of the metal wire.
By adopting the technical scheme, the steel wire with the roughness Ra=0.05-0.1 mu m is closer to the actual use scene, and the measured result is closer to the actual use scene.
Optionally, the water contact angle of the metal wire is 65-80 degrees.
Optionally, a groove for accommodating the steel wire is formed in the top wall of the lower clamp, the groove is communicated with the cavity, and the width of the groove is greater than the diameter of the steel wire and the difference between the groove and the groove is 2-3 mm.
By adopting the technical scheme, the width of the groove is not too small, so that the steel wire is prevented from being easily stretched into the groove; the width of the groove is not too large, so that the gravity center of the lower clamp is not shifted, and the test result is not affected.
Optionally, a hanging hook is arranged on the bracket, and a hanging hole for the hanging hook to pass through is formed in the top of the upper clamp.
Through adopting above-mentioned technical scheme, the design of lifting hook and hanging hole is convenient for getting of upper portion anchor clamps and puts, can convenient taking off when not using accomodates.
Optionally, the load includes couple, chassis and weight, the couple is hung and is located lower part anchor clamps, chassis fixed connection in the couple, the weight place in the chassis.
By adopting the technical scheme, different weights can be selected according to the hot melt adhesive with different performances so as to provide different acting forces.
In summary, the present utility model includes at least one of the following beneficial technical effects:
the test device specially designed by the utility model can conveniently test the durability of the hot melt adhesive strength, particularly the durability of the bonding force between the hot melt adhesive and the steel wire with a special structure, and has the advantages of simple structure and low cost.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Reference numerals illustrate: 1. a bracket; 2. an upper clamp; 3. a hot melt adhesive block; 4. a steel wire; 5. a lower clamp; 6. and (3) loading.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1.
The embodiment of the utility model discloses a test device for testing the durability of hot melt adhesive.
Referring to fig. 1, a test apparatus for testing the adhesion durability of a hot melt adhesive comprises a bracket 1, an upper clamp 2, a wire 4, a lower clamp 5 and a load 6, wherein the bracket 1 is used as a mounting base, the upper clamp 2 is connected with the bracket 1, one end of the wire 4 is clamped on the upper clamp 2, the lower end of the wire 4 is used for connecting a hot melt adhesive block 3, the lower clamp 5 is provided with a chamber for placing the hot melt adhesive block 3, and the load 6 is hung on the lower clamp 5.
The bracket 1 is provided with a lifting hook, and the top of the upper clamp 2 is provided with a hanging hole for the lifting hook to pass through. The roof of lower part anchor clamps 5 has seted up the recess that is used for holding steel wire 4, and the recess is linked together with the cavity, and the width of recess is greater than the diameter of steel wire 4 and the difference between them is 2~3mm. The load 6 comprises a hook, a chassis and weights, the hook is hung on the lower clamp 5, the chassis is fixedly connected with the hook, and the weights are placed on the chassis
The diameter of the steel wire 4 is 1-3 mm, and the steel wire 4 is formed by twisting 1 strand of metal wires or 2-6 strands of metal wires; the roughness Ra=0.05-0.1 μm of the metal wire; the water contact angle of the metal wire is 65-80 degrees.
The implementation principle of the test device for testing the durability of the hot melt adhesive in the embodiment of the utility model is as follows: connecting the upper clamp 2 with the bracket 1, and clamping the upper end of the steel wire 4 by the upper clamp 2; the hot melt adhesive block 3 connected to the lower end of the steel wire 4 is placed in a chamber of the lower clamp 5, a proper weight is selected according to the bonding property of the hot melt adhesive, downward constant gravity is provided for the hot melt adhesive block 3, and the time for separating the hot melt adhesive block 3 from the steel wire 4 is recorded for representing the bonding durability of the hot melt adhesive.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (7)
1. A test device for testing hot melt adhesive durability, characterized in that: including support (1), upper portion anchor clamps (2), steel wire (4), lower part anchor clamps (5) and load (6), support (1) are as the installation basis, upper portion anchor clamps (2) connect in support (1), the one end centre gripping of steel wire (4) in upper portion anchor clamps (2), the lower extreme of steel wire (4) is used for connecting hot melt adhesive piece (3), lower part anchor clamps (5) are equipped with the cavity that is used for placing hot melt adhesive piece (3), load (6) hang and locate lower part anchor clamps (5).
2. A test device for testing the durability of hot melt adhesive according to claim 1, wherein: the diameter of the steel wire (4) is 1-3 mm, and the steel wire (4) is formed by 1 strand of metal wires or is obtained by twisting 2-6 strands of metal wires.
3. A test device for testing the durability of hot melt adhesive according to claim 2, wherein: the roughness Ra of the metal wire is=0.05-0.1 mu m.
4. A test device for testing the durability of hot melt adhesive according to claim 2, wherein: the water contact angle of the metal wire is 65-80 degrees.
5. A test device for testing the durability of hot melt adhesive according to claim 1, wherein: the top wall of the lower clamp (5) is provided with a groove for accommodating the steel wire (4), the groove is communicated with the cavity, the width of the groove is larger than the diameter of the steel wire (4), and the difference between the groove and the steel wire is 2-3 mm.
6. A test device for testing the durability of hot melt adhesive according to claim 1, wherein: the lifting hook is arranged on the support (1), and a hanging hole for the lifting hook to pass through is formed in the top of the upper clamp (2).
7. A test device for testing the durability of hot melt adhesive according to claim 1, wherein: the load (6) comprises a hook, a chassis and weights, the hook is hung on the lower clamp (5), the chassis is fixedly connected to the hook, and the weights are placed on the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320064905.XU CN219532878U (en) | 2023-01-10 | 2023-01-10 | Test device for testing durability of hot melt adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320064905.XU CN219532878U (en) | 2023-01-10 | 2023-01-10 | Test device for testing durability of hot melt adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219532878U true CN219532878U (en) | 2023-08-15 |
Family
ID=87585678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320064905.XU Active CN219532878U (en) | 2023-01-10 | 2023-01-10 | Test device for testing durability of hot melt adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219532878U (en) |
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2023
- 2023-01-10 CN CN202320064905.XU patent/CN219532878U/en active Active
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