CN219996765U - Viscoelasticity testing device - Google Patents
Viscoelasticity testing device Download PDFInfo
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- CN219996765U CN219996765U CN202320778849.6U CN202320778849U CN219996765U CN 219996765 U CN219996765 U CN 219996765U CN 202320778849 U CN202320778849 U CN 202320778849U CN 219996765 U CN219996765 U CN 219996765U
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 51
- 229920000297 Rayon Polymers 0.000 claims abstract description 25
- 229920003023 plastic Polymers 0.000 claims abstract description 20
- 239000004033 plastic Substances 0.000 claims abstract description 20
- 238000013191 viscoelastic testing Methods 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000004154 testing of material Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 18
- 230000001070 adhesive effect Effects 0.000 description 18
- 239000007787 solid Substances 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of material testing, and discloses a viscoelastic testing device which comprises a device body, a first connecting piece and a second connecting piece, wherein the device body is provided with a first clamp and a second clamp which can be mutually close to or far away from each other, the first clamp and the second clamp are arranged up and down in an opposite mode, the first end of the first connecting piece is clamped on the first clamp, the second end of the first connecting piece is provided with a first connecting plate made of plastic materials, the first end of the second connecting piece is clamped on the second clamp, and the second end of the second connecting piece is provided with a second connecting plate made of plastic materials. Based on the structure, the viscoelasticity test requirement of the high-viscosity sample can be met; secondly, because the first connecting plate, the second connecting plate and the viscose material which are made of plastic materials are adopted for molding, the problems of large test fluctuation, data distortion and the like caused by the fact that a viscose sample is directly arranged on a clamp in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of material testing, in particular to a viscoelasticity testing device.
Background
Polymers are typically changed from solid to liquid (melt and flow) and from liquid to solid (cool and harden) during processing, so that polymers exhibit solid and liquid properties, i.e., elasticity and tackiness, respectively, under different conditions during processing. However, due to the long chain structure of the polymer macromolecules and the gradual nature of the macromolecular movements, the deformation and flow of the polymers cannot be purely elastic and purely viscous, and the response of plastics to stress has the dual properties of elastic solids and viscous fluids, known as viscoelasticity.
Existing viscoelastic testing devices are usually tensile tested for low viscosity solid samples, and no corresponding device is available for testing viscoelastic properties for high viscosity adhesive samples.
Disclosure of Invention
The utility model aims to provide a viscoelasticity testing device.
In order to achieve the above object, the present utility model provides a viscoelastic testing device comprising:
the device body is provided with a first clamp and a second clamp which can be mutually close to or far away from each other, and the first clamp and the second clamp are arranged up and down oppositely;
the first connecting piece is provided with a first end and a second end which are oppositely arranged, the first end of the first connecting piece is clamped on the first clamp, and the second end of the first connecting piece is provided with a first connecting plate made of plastic materials;
the first end of the second connecting piece is clamped on the second clamp, and the second end of the second connecting piece is provided with a second connecting plate made of plastic materials;
the first connecting plate and the second connecting plate are arranged opposite to each other and are configured to be arranged on two sides of the viscose material respectively and used for being integrally formed with the viscose material.
In some embodiments of the present utility model, the first connecting piece includes a first connecting rod and a first clamping piece, a first end of the first connecting rod is detachably connected to the first connecting plate, the first clamping piece is fixedly disposed at a second end of the first connecting rod, and the first clamp is used for clamping the first clamping piece.
In some embodiments of the present utility model, a side of the first connecting plate, which is used for being integrally formed with the adhesive material, is a front side, and first clamping grooves with outward notches are formed on both left and right sides of the first connecting plate;
the first end of head rod is provided with first connecting block, first connecting block is provided with two first bellying, two be formed with first mounting groove between the first bellying, first mounting groove is followed the extending direction of head rod is extended for supply first connecting plate to insert, two all be provided with inwards convex first card convex part on the opposite lateral wall of first bellying, first card convex part is used for inserting in the first draw-in groove, so that first connecting block with first connecting plate joint.
In some embodiments of the present utility model, a first limit baffle is fixedly disposed at one end of the first mounting groove facing away from the first clamping piece, so as to limit the first connecting plate to further slide in a direction facing away from the first clamping piece;
the first mounting groove is close to one end of the first clamping piece and is provided with a first socket, and a first cover plate is detachably arranged at the socket and used for opening and closing the first socket.
In some embodiments of the present utility model, the second connecting member includes a second connecting rod and a second clamping piece, a first end of the second connecting rod is detachably connected to the second connecting plate, the second clamping piece is fixedly disposed at a second end of the second connecting rod, and the second clamp is used for clamping the second clamping piece.
In some embodiments of the present utility model, a side of the second connecting plate, which is used for being integrally formed with the adhesive material, is a front side, and second clamping grooves with outward notches are formed on both left and right sides of the second connecting plate;
the first end of second connecting rod is provided with the second connecting block, the second connecting block is provided with two second bellying, two be formed with the second mounting groove between the second bellying, the second mounting groove is followed the extending direction of second connecting rod is extended for supply the second connecting plate to insert, two all be provided with inwards convex second card convex part on the opposite lateral wall of second bellying, the second card convex part is used for inserting in the second draw-in groove, so that the second connecting block with second connecting plate joint.
In some embodiments of the present utility model, a second limit baffle is fixedly disposed at one end of the second mounting groove facing away from the second clamping piece, so as to limit the second connecting plate to further slide in a direction facing away from the second clamping piece;
and a second socket is formed at one end of the second mounting groove, which is close to the second clamping piece, and a second cover plate is detachably arranged at the socket and used for opening and closing the second socket.
In some embodiments of the utility model, the surfaces of the first and second clamping plates are each provided with an anti-slip structure.
In some embodiments of the present utility model, the first clamping piece and the second clamping piece are located in the same vertical plane, and are located on the upper side and the lower side of the adhesive material respectively.
The utility model provides a viscoelasticity testing device, which has the beneficial effects that compared with the prior art:
the utility model provides a viscoelasticity testing device which comprises a device body, a first connecting piece and a second connecting piece, wherein the device body is provided with a first clamp and a second clamp which can be mutually close to or far away from each other, the first clamp and the second clamp are arranged up and down in an opposite mode, the first connecting piece is provided with a first end and a second end which are oppositely arranged, the first end of the first connecting piece is clamped on the first clamp, the second end of the first connecting piece is provided with a first connecting plate made of plastic materials, the second connecting piece is provided with a first end and a second end which are oppositely arranged, the first end of the second connecting piece is clamped on the second clamp, and the second end of the second connecting piece is provided with a second connecting plate made of plastic materials; the first connecting plate and the second connecting plate are arranged opposite to each other and are configured to be arranged on two sides of the viscose material respectively and used for being integrally formed with the viscose material. Based on the structure, after the high-viscosity adhesive material, the first connecting plate and the second connecting plate which are made of plastic materials are molded into a whole through hot pressing and other processes, the adhesive samples are respectively installed on the first clamp and the second clamp through the first connecting piece and the second connecting piece, and a test mode similar to stretching and shearing is formed, so that the viscoelasticity test requirement of the high-viscosity samples is met; secondly, because the first connecting plate, the second connecting plate and the viscose material which are made of plastic materials are adopted for molding, the problems of large test fluctuation, data distortion and the like caused by the fact that a viscose sample is directly arranged on a clamp in the prior art are solved.
Drawings
FIG. 1 is a schematic view of a partially split structure of a viscoelastic testing device according to an embodiment of the utility model;
FIG. 2 is a schematic view of the structure of a first connection board and a second connection board according to an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a second connector according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a viscoelastic testing device according to an embodiment of the utility model.
In the figure: 1. a device body; 11. a first clamp; 12. a second clamp; 2. a first connector; 21. a first connection plate; 211. a first clamping groove; 22. a first connecting rod; 23. a first clamping piece; 24. a first connection block; 241. a first boss; 242. a first mounting groove; 243. a first protruding part; 244. a first limit baffle; 245. a first cover plate; 3. a second connector; 31. a second connecting plate; 311. a second clamping groove; 32. a second connecting rod; 33. a second clamping piece; 34. a second connection block; 341. a second protruding portion; 342. a second mounting groove; 343. a second protruding part; 344. the second limit baffle plate; 345. a second cover plate; 4. and (5) an adhesive material.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.
It is to be understood that in the description of the present utility model, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e., features defining "first," "second," may explicitly or implicitly include one or more such features. Furthermore, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, 2 and 4, the embodiment of the present utility model provides a viscoelastic testing device, which includes a device body 1, a first connector 2 and a second connector 3, wherein the device body 1 is provided with a first clamp 11 and a second clamp 12 which can be close to or far from each other, the two clamps are arranged up and down, the first connector 2 has a first end and a second end which are oppositely arranged, the first end of the first connector 2 is clamped on the first clamp 11, the second end of the first connector 2 is provided with a first connecting plate 21 made of plastic material, the second connector 3 has a first end and a second end which are oppositely arranged, the first end of the second connector 3 is clamped on the second clamp 12, and the second end of the second connector is provided with a second connecting plate 31 made of plastic material; the first connecting plate 21 and the second connecting plate 31 are disposed opposite to each other, and are configured to be disposed on two sides of the adhesive material 4, respectively, for forming an integral body with the adhesive material 4. Specifically, the first clamp 11 and/or the second clamp 12 are/is connected with a driving device, and the performance test of storage modulus, loss factor, stress relaxation, creep and the like can be completed through the driving of the driving device.
Based on the above structure, after the high-viscosity adhesive material 4, the first connecting plate 21 and the second connecting plate 31 made of plastic materials are molded into a whole through hot pressing and other processes, the adhesive sample is respectively installed on the first clamp 11 and the second clamp 12 through the first connecting piece 2 and the second connecting piece 3, and a test mode similar to stretching and shearing is formed, so that the viscoelasticity test requirement of the high-viscosity sample is met. Secondly, because the first connecting plate 21 and the second connecting plate 31 which are made of plastic materials are formed with the viscose material 4, the problems of large test fluctuation, data distortion and the like caused by the fact that a viscose sample is directly arranged on a clamp in the prior art are solved.
Alternatively, as shown in fig. 1, in the present embodiment, the first connecting member 2 includes a first connecting rod 22 and a first clamping piece 23, a first end of the first connecting rod 22 is detachably connected to the first connecting plate 21, a second end of the first connecting rod 22 is fixedly provided with the first clamping piece 23, and the first clamp 11 is used for clamping the first clamping piece 23.
Alternatively, as shown in fig. 1, in this embodiment, a side of the first connecting plate 21 for forming the adhesive material 4 integrally is a front side, and both the left and right sides of the first connecting plate 21 are provided with first clamping grooves 211 with outward notches;
the first end of the first connecting rod 22 is provided with a first connecting block 24, the first connecting block 24 is provided with two oppositely arranged first protruding portions 241, a first mounting groove 242 is formed between the two first protruding portions 241, the first mounting groove 242 extends along the extending direction of the first connecting rod 22 and is used for allowing the first connecting plate 21 to be inserted, first clamping protruding portions 243 protruding inwards are arranged on opposite side walls of the two first protruding portions 241, and the first clamping protruding portions 243 are used for being inserted into the first clamping grooves 211 so as to enable the first connecting block 24 to be clamped with the first connecting plate 21. Of course, the first connecting block 24 may be connected to the first connecting plate 21 by bolting, plugging, or the like.
Optionally, as shown in fig. 1, in this embodiment, a first limit baffle 244 is fixedly disposed at an end of the first mounting groove 242 facing away from the first clamping piece 23, so as to limit the first connecting plate 21 from further sliding in a direction away from the first clamping piece 23;
the first mounting groove 242 has a first socket formed at one end thereof adjacent to the first clamping piece 23, and a first cover 245 detachably provided at the socket for opening and closing the first socket. Specifically, the first cover plate 245 may be connected to the first socket by means of bolting, plugging, clamping, fastening, or the like.
Alternatively, as shown in fig. 3, in the present embodiment, the second connecting member 3 includes a second connecting rod 32 and a second clamping piece 33, a first end of the second connecting rod 32 is detachably connected to the second connecting plate 31, a second end of the second connecting rod 32 is fixedly provided with the second clamping piece 33, and the second clamp 12 is used for clamping the second clamping piece 33.
Alternatively, as shown in fig. 2 and 3, in this embodiment, a side of the second connecting plate 31 for forming an integral body with the adhesive material 4 is a front side, and both the left and right sides of the second connecting plate 31 are provided with second clamping grooves 311 with outward notches;
the first end of second connecting rod 32 is provided with second connecting block 34, second connecting block 34 is provided with two second bellying 341 of relative setting, be formed with second mounting groove 342 between two second bellying 341, second mounting groove 342 extends along the extending direction of second connecting rod 32 for supply second connecting plate 31 to insert, all be provided with inwards protruding second card convex part 343 on the opposite lateral wall of two second bellying 341, second card convex part 343 is used for inserting in the second draw-in groove 311, so that second connecting block 34 and second connecting plate 31 joint. Of course, the second connection block 34 may be connected to the second connection plate 31 by bolting, plugging, or the like.
Optionally, as shown in fig. 3, in this embodiment, a second limit stop 344 is fixedly disposed at an end of the second mounting groove 342 facing away from the second clamping piece 33, so as to limit the second connecting plate 31 from further sliding in a direction away from the second clamping piece 33;
the second mounting groove 342 is formed with a second socket at one end near the second clamping piece 33, and a second cover plate 345 is detachably provided at the socket for opening and closing the second socket. Specifically, the second cover 345 may be connected to the second socket by a bolt, socket, clip, fastening, or the like. Based on the above structure, the adhesive material 4 integrally formed with the first connecting plate 21 and the second connecting plate 31 is convenient to disassemble and assemble, so that the first connecting piece 2 and the second connecting piece 3 can be recycled.
Alternatively, in the present embodiment, the surfaces of the first and second holding pieces 23 and 33 are each provided with an anti-slip structure. In particular, the anti-slip structure is a stud. Preferably, the first and second clamping pieces 23 and 33 are made of stainless steel material.
Alternatively, in the present embodiment, the first clamping piece 23 and the second clamping piece 33 are located in the same vertical plane, and are located on the upper and lower sides of the adhesive material 4, respectively.
The application method of the viscoelasticity testing device provided by the embodiment of the utility model comprises the following steps:
hot press molding: placing the viscose material 4 on the first connecting plate 21 flatly according to the required thickness, attaching the second connecting plate 31 on the other surface of the viscose material 4, uniformly flatly compacting the viscose sample by a plasma hot-pressing means, tightly attaching the viscose sample between the first connecting plate 21 and the second connecting plate 31, and forming the viscose sample into a whole;
inserting the first connection plate 21 into the first mounting groove 242 from the first socket, clamping the first clamping convex portion 243 into the first clamping groove 211, and covering the first cover plate 245 at the first socket; inserting the second connecting plate 31 into the second mounting groove 342 from the second socket, clamping the second clamping convex part 343 into the second clamping groove 311, and covering the second cover plate 345 at the second socket;
the first clamp 11 is made to clamp the first clamping piece 23, the second clamp 12 is made to clamp the second clamping piece 33, and the driving device drives the first clamp 11 and/or the second clamp 12 to act so as to test the viscoelasticity of the viscose sample.
In summary, the embodiment of the utility model provides a viscoelastic testing device, which mainly comprises a device body 1, a first connecting piece 2 and a second connecting piece 3, wherein the device body 1 is provided with a first clamp 11 and a second clamp 12 which can be mutually close to or far away from each other, the first clamp 11 and the second clamp 12 are arranged up and down oppositely, a first end of the first connecting piece 2 is clamped on the first clamp 11, a second end of the first connecting piece 2 is provided with a first connecting plate 21 made of plastic materials, a first end of the second connecting piece 3 is clamped on the second clamp 12, and a second end of the second connecting piece 31 made of plastic materials is arranged; the first connecting plate 21 and the second connecting plate 31 are disposed opposite to each other, and are configured to be disposed on two sides of the adhesive material 4, respectively, for forming an integral body with the adhesive material 4. Compared with the prior art, the viscoelasticity testing device has the following advantages:
1. after the high-viscosity viscose materials, the first connecting plate and the second connecting plate which are made of plastic materials are molded into a whole through hot pressing and other processes, viscose samples are respectively installed on the first clamp and the second clamp through the first connecting piece and the second connecting piece, and a test mode similar to stretching and shearing is formed, so that the viscoelasticity test requirement of the high-viscosity samples is met.
2. Because the first connecting plate, the second connecting plate and the viscose material which are made of plastic materials are adopted for molding, the problems of large test fluctuation, data distortion and the like caused by the fact that a viscose sample is directly arranged on a clamp in the prior art are solved.
3. The adhesive material which is formed into a whole with the first connecting plate and the second connecting plate is convenient to disassemble and assemble, so that the first connecting piece and the second connecting piece can be recycled.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. A viscoelasticity testing device, comprising:
the device body is provided with a first clamp and a second clamp which can be mutually close to or far away from each other, and the first clamp and the second clamp are arranged up and down oppositely;
the first connecting piece is provided with a first end and a second end which are oppositely arranged, the first end of the first connecting piece is clamped on the first clamp, and the second end of the first connecting piece is provided with a first connecting plate made of plastic materials;
the first end of the second connecting piece is clamped on the second clamp, and the second end of the second connecting piece is provided with a second connecting plate made of plastic materials;
the first connecting plate and the second connecting plate are arranged opposite to each other and are configured to be arranged on two sides of the viscose material respectively and used for being integrally formed with the viscose material.
2. The viscoelasticity testing device of claim 1, wherein:
the first connecting piece comprises a first connecting rod and a first clamping piece, the first end of the first connecting rod is detachably connected with the first connecting plate, the first clamping piece is fixedly arranged at the second end of the first connecting rod, and the first clamp is used for clamping the first clamping piece.
3. The viscoelasticity testing device of claim 2, wherein:
the side, which is used for being integrally formed with the viscose material, of the first connecting plate is taken as the front side, and the left side and the right side of the first connecting plate are provided with first clamping grooves with outwards-facing notch;
the first end of head rod is provided with first connecting block, first connecting block is provided with two first bellying, two be formed with first mounting groove between the first bellying, first mounting groove is followed the extending direction of head rod is extended for supply first connecting plate to insert, two all be provided with inwards convex first card convex part on the opposite lateral wall of first bellying, first card convex part is used for inserting in the first draw-in groove, so that first connecting block with first connecting plate joint.
4. A viscoelasticity testing device as set forth in claim 3, wherein:
a first limit baffle is fixedly arranged at one end of the first mounting groove, which is away from the first clamping piece, and is used for limiting the first connecting plate to further slide towards the direction away from the first clamping piece;
the first mounting groove is close to one end of the first clamping piece and is provided with a first socket, and a first cover plate is detachably arranged at the socket and used for opening and closing the first socket.
5. The viscoelasticity testing device of claim 4, wherein:
the second connecting piece includes second connecting rod and second centre gripping piece, the first end of second connecting rod with the connection can be dismantled to the second connecting plate, the second end of second connecting rod is fixed to be provided with the second centre gripping piece, the second anchor clamps are used for the centre gripping the second centre gripping piece.
6. The viscoelasticity testing device of claim 5, wherein:
the side, which is used for being integrally formed with the viscose material, of the second connecting plate is taken as the front side, and second clamping grooves with outwards-facing notch are formed in the left side and the right side of the second connecting plate;
the first end of second connecting rod is provided with the second connecting block, the second connecting block is provided with two second bellying, two be formed with the second mounting groove between the second bellying, the second mounting groove is followed the extending direction of second connecting rod is extended for supply the second connecting plate to insert, two all be provided with inwards convex second card convex part on the opposite lateral wall of second bellying, the second card convex part is used for inserting in the second draw-in groove, so that the second connecting block with second connecting plate joint.
7. The viscoelasticity testing device of claim 6, wherein:
a second limit baffle is fixedly arranged at one end of the second mounting groove, which is away from the second clamping piece, and is used for limiting the second connecting plate to further slide towards the direction away from the second clamping piece;
and a second socket is formed at one end of the second mounting groove, which is close to the second clamping piece, and a second cover plate is detachably arranged at the socket and used for opening and closing the second socket.
8. The viscoelasticity testing device of claim 7, wherein:
the surfaces of the first clamping piece and the second clamping piece are provided with anti-slip structures.
9. The viscoelasticity testing device of claim 7, wherein:
the first clamping piece and the second clamping piece are positioned in the same vertical plane and are respectively positioned on the upper side and the lower side of the viscose material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320778849.6U CN219996765U (en) | 2023-04-10 | 2023-04-10 | Viscoelasticity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320778849.6U CN219996765U (en) | 2023-04-10 | 2023-04-10 | Viscoelasticity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219996765U true CN219996765U (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320778849.6U Active CN219996765U (en) | 2023-04-10 | 2023-04-10 | Viscoelasticity testing device |
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| Country | Link |
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| CN (1) | CN219996765U (en) |
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