CN112557193A - Detection tool for tensile property of thermoplastic composite material - Google Patents
Detection tool for tensile property of thermoplastic composite material Download PDFInfo
- Publication number
- CN112557193A CN112557193A CN202011437004.8A CN202011437004A CN112557193A CN 112557193 A CN112557193 A CN 112557193A CN 202011437004 A CN202011437004 A CN 202011437004A CN 112557193 A CN112557193 A CN 112557193A
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- clamping piece
- rubber sleeve
- clamping
- sample
- fixing device
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- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 20
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000007767 bonding agent Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 13
- 230000003014 reinforcing effect Effects 0.000 abstract description 11
- 239000000853 adhesive Substances 0.000 abstract description 9
- 239000011230 binding agent Substances 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009661 fatigue test Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0411—Chucks, fixtures, jaws, holders or anvils using pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0429—Chucks, fixtures, jaws, holders or anvils using adhesive bond; Gluing
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of composite material mechanical property detection, and discloses a detection tool for tensile property of a thermoplastic composite material, which comprises a sample to be detected, the two ends of the sample to be measured are respectively connected with a first fixing device and a second fixing device, the first fixing device comprises a first clamping piece, the second fixing device comprises a second clamping piece, the first clamping piece and the second clamping piece are both hollow tubular structures, the first clamping piece and the second clamping piece are adopted to replace reinforcing pieces used for original clamping, a binder is matched to be poured into the first clamping piece and the second clamping piece to be bonded with a sample to be detected, two ends of the first clamping piece are fixed through a first rubber sleeve and a second rubber sleeve respectively, two ends of the second clamping piece are fixed through a third rubber sleeve and a fourth rubber sleeve respectively, the binder is prevented from flowing outwards, the width of the sample to be detected and the inner diameters of the first clamping piece and the second clamping piece are 1: 1.5, the space for the adhesive to exert the adhesive effect is ensured.
Description
Technical Field
The invention belongs to the technical field of composite material mechanical property detection, and particularly relates to a detection tool for tensile property of a thermoplastic composite material.
Background
In the processes of developing and developing new materials, improving material quality, designing and using metal parts and the like, mechanical properties are the most important performance indexes and are indispensable inspection items in the performance inspection of metal plastic processing products. The mechanical property test generally comprises a tensile test, a torsion test, a compression test, an impact test, a hardness test, a stress relaxation test, a fatigue test and the like. The stress relaxation test and the fatigue test do not belong to the conventional mechanical property test of materials.
Because the fiber-reinforced thermoplastic composite material is a single-layer material, compared with a common product to be tested, the thickness is smaller, and the local force-bearing capacity is lower, as shown in fig. 5, in a method of attaching reinforcing sheets to two ends of a sample to be tested, the situation that stress is concentrated on a clamping part occurs in a test, the clamping part is directly broken in the test process, the actual mechanical property of the composite material cannot be reflected by result data after the test, the data is generally poorer, the stability is low, and no reference value exists or even exists.
Disclosure of Invention
The invention aims to provide a detection tool for tensile property of a thermoplastic composite material, which aims to solve the problem that the stress is concentrated at a clamping part in a test and directly causes the direct fracture of the clamping part in the test process in the existing method for sticking a reinforcing sheet.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a detection frock of thermoplasticity combined material tensile properties, includes the sample of being surveyed, the both ends of the sample of being surveyed are connected with first fixing device and second fixing device respectively, first fixing device includes first holder, second fixing device includes the second holder, first holder and second holder are hollow tubular structure.
As a tool for detecting the tensile property of the thermoplastic composite material, preferably, one end of the first clamping member and one end of the second clamping member are open, and two ends of the sample to be detected are respectively inserted into the first clamping member and the second clamping member through the openings.
As a detection tool for tensile properties of thermoplastic composite materials, preferably, the first clamping member and the second clamping member are steel pipes.
As a detection tool for tensile properties of a thermoplastic composite material, in the present invention, preferably, the radius of the first clamping member and the radius of the second clamping member are greater than the length or radius of the sample to be measured, a space is formed between the first clamping member and the sample to be measured and between the second clamping member and the sample to be measured, the space is filled with a binder, and two ends of the sample to be measured are respectively fixed to the first clamping member and the second clamping member by the binder.
Preferably, the first fixing device further comprises a first rubber sleeve and/or a second rubber sleeve, and the second fixing device further comprises a third rubber sleeve and/or a fourth rubber sleeve.
As a tool for detecting the tensile property of the thermoplastic composite material, preferably, the first rubber sleeve is installed at one end of the first clamping member, the second rubber sleeve is installed at the other end of the first clamping member, the third rubber sleeve is installed at one end of the second clamping member, and the fourth rubber sleeve is installed at the other end of the second clamping member.
Preferably, the first fixing device is detachably clamped inside the second clamping device, and the second fixing device is detachably clamped inside the first clamping device.
As a detection tool for the tensile property of the thermoplastic composite material, preferably, the second clamping device and the first clamping device are mounted on a hydraulic device.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the first clamping piece and the second clamping piece are adopted to replace the original reinforcing sheet for clamping, the first clamping piece and the second clamping piece are matched with the adhesive to be poured into the first clamping piece and the second clamping piece to be bonded with the sample to be detected, the two ends of the first clamping piece are respectively fixed by the first rubber sleeve and the second rubber sleeve, the two ends of the second clamping piece are respectively fixed by the third rubber sleeve and the fourth rubber sleeve to prevent the adhesive from flowing outwards, and the width of the sample to be detected and the inner diameters of the first clamping piece and the second clamping piece are 1: 1.5, the space for the adhesive to exert the adhesive effect is ensured.
(2) The invention uses the adhesive filled into the first clamping piece and the second clamping piece to be adhered and fixed with the tested sample by replacing the original aluminum sheet or the reinforcing piece made of the homogeneous material, protects the original clamping part, ensures that no stress is generated in the test process, ensures that the test data result can better reflect the mechanical property of the tested sample made of the composite material, and has reference value for the test data.
(3) The invention directly provides powerful support for product manufacturers and terminal customers in material selection reference by testing the mechanical property of the tested sample of the composite material and providing mechanical data, and the prepared product has more convincing and public trust.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a schematic view of the structure of the present invention mounted on the clamping device;
FIG. 4 is a schematic view of the present invention mounted to a hydraulic device;
FIG. 5 is a schematic diagram of a prior art configuration;
in the figure: 10. a hydraulic device; 11. a hydraulic lever; 12. pulling a plate; 13. a support bar; 14. a first fixing device; 15. a sample to be tested; 16. a second fixing device; 17. a first holding device; 18. a second holding device; 19. a first clamping member; 20. a first rubber sleeve; 21. a second rubber sleeve; 22. a binder; 23. a third rubber sleeve; 24. a second clamping member; 25. a fourth rubber sleeve; 26. a reinforcing sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Please refer to fig. 1, fig. 3, and fig. 4:
FIG. 1 is a schematic view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention mounted on the clamping device;
FIG. 4 is a schematic view of the present invention mounted to a hydraulic device;
the invention provides the following technical scheme: the tool for detecting the tensile property of the thermoplastic composite material comprises a tested sample 15, wherein a first fixing device 14 and a second fixing device 16 are connected to two ends of the tested sample 15 respectively, the first fixing device 14 comprises a first clamping piece 19, the second fixing device 16 comprises a second clamping piece 24, and the first clamping piece 19 and the second clamping piece 24 are both hollow tubular structures. The first clamping piece 19 and the second clamping piece 24 in the shape of hollow pipes are respectively fixed at two ends of the sample 15 to be measured and used for clamping the sample to be measured.
Specifically, one end of the first clamping member 19 and one end of the second clamping member 24 are open, and two ends of the sample 15 to be measured are inserted into the first clamping member 19 and the second clamping member 24 through the openings, respectively.
Specifically, the first clamping member 19 and the second clamping member 24 are steel pipes. Preferably, the first clamping member 19 and the second clamping member 24 are hollow cylindrical steel pipes.
Specifically, the radius of the first clamping member 19 and the second clamping member 24 is greater than the length or radius of the sample 15, a space is formed between the first clamping member 19 and the second clamping member 24 and the sample 15, the space is filled with a bonding agent 22, and two ends of the sample 15 are respectively fixed to the first clamping member 19 and the second clamping member 24 through the bonding agent 22. Preferably, the width of the sample to be measured and the inner diameters of the first clamping piece 19 and the second clamping piece 24 are 1: 1.5, the space for the adhesive 22 to exert the adhesive effect is secured.
Specifically, the first fixing device 14 is detachably clamped inside the second clamping device 18, and the second fixing device 16 is detachably clamped inside the first clamping device 17. The second clamping device 18 and the first clamping device 17 are mounted on the hydraulic device 10. It should be noted that the hydraulic device 10 includes a hydraulic rod 11, a pulling plate 12 and a supporting rod 13, the second clamping device 18 is installed on the pulling plate 12, the pulling plate 12 is connected with the end of the hydraulic rod 11, the first clamping device 17 is installed at the bottom of the hydraulic device 10, and the supporting rod 13 is used for supporting the pulling plate 12 and also limiting the pulling plate 12 to a certain extent.
In this embodiment, the hollow cylindrical steel tube is fixed to two ends of the measured sample 15, which is different from the conventional method of attaching the reinforcing plates to two ends of the measured sample 15, so that the phenomenon that the stress concentrates on two ends of the measured sample 15 during stretching to break the two ends of the measured sample 15 can be avoided, and the measurement accuracy is improved.
It should be noted that, as shown in fig. 5, fig. 5 is a schematic structural diagram of the prior art; in the figure, a reinforcing sheet 26 is respectively stuck on the front and back surfaces of two ends of the tested sample 15, and four reinforcing sheets are stuck in total, wherein the reinforcing sheet 26 is an aluminum sheet or a homogeneous material with the tested sample 15.
Example 2
Please refer to fig. 2, fig. 3, and fig. 4:
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a schematic view of the structure of the present invention mounted on the clamping device;
FIG. 4 is a schematic view of the present invention mounted to a hydraulic device;
on the basis of embodiment 1, the invention provides a tool for detecting tensile property of a thermoplastic composite material, wherein the first fixing device 14 further comprises a first rubber sleeve 20 and/or a second rubber sleeve 21, and the second fixing device 16 further comprises a third rubber sleeve 23 and/or a fourth rubber sleeve 25.
The first rubber sleeve 20 is arranged at one end of the first clamping piece 19, the second rubber sleeve 21 is arranged at the other end of the first clamping piece 19, the third rubber sleeve 23 is arranged at one end of the second clamping piece 24, and the fourth rubber sleeve 25 is arranged at the other end of the second clamping piece 24.
In this embodiment, the two ends of the first clamping member 19 are respectively fixed by the first rubber sleeve 20 and the second rubber sleeve 21, the two ends of the second clamping member 24 are respectively fixed by the third rubber sleeve 23 and the fourth rubber sleeve 25, the outflow of the binder 22 is prevented, the original aluminum sheet or the reinforcing sheet 26 made of the homogeneous material is replaced, the binder 22 poured into the first clamping member 19 and the second clamping member 24 is used for being fixedly bonded with the tested sample 15, the original clamping part is protected, the stress is not generated in the testing process, the tested data result can better reflect the mechanical property of the composite material tested sample 15, and the testing data also has a reference value.
The working principle and the using process of the invention are as follows: when the sample measuring device is used, two ends of a measured sample 15 are respectively inserted into the first clamping piece 19 and the second clamping piece 24, the adhesive 22 is poured into the first clamping piece 19 and the second clamping piece 24 to be adhered with the measured sample 15, the width of the measured sample 15 and the inner diameters of the first clamping piece 19 and the second clamping piece 24 are 1: 1.5, ensuring a space for the adhesive 22 to exert an adhesive effect;
two ends of the first clamping piece 19 are respectively fixed by a first rubber sleeve 20 and a second rubber sleeve 21, two ends of the second clamping piece 24 are respectively fixed by a third rubber sleeve 23 and a fourth rubber sleeve 25, and the outflow of the adhesive 22 is prevented;
the first clamping piece 19 is clamped by the first clamping device 17, the second clamping piece 24 is clamped by the second clamping device 18, and the original clamping position is protected by the first clamping piece 19 and the second clamping piece 24, so that stress is not generated in the test process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a detection frock of thermoplasticity combined material tensile properties which characterized in that: including surveyed sample (15), the both ends of being surveyed sample (15) are connected with first fixing device (14) and second fixing device (16) respectively, first fixing device (14) include first holder (19), second fixing device (16) include second holder (24), first holder (19) and second holder (24) are hollow tubular structure.
2. The detection frock of thermoplastic composite tensile properties of claim 1, characterized in that: one end of the first clamping piece (19) and one end of the second clamping piece (24) are open, and two ends of the sample (15) to be measured are respectively inserted into the first clamping piece (19) and the second clamping piece (24) through the openings.
3. The detection frock of thermoplastic composite tensile properties of claim 1, characterized in that: the first clamping piece (19) and the second clamping piece (24) are steel pipes.
4. The detection frock of thermoplastic composite tensile properties of claim 1, characterized in that: the radius of the first clamping piece (19) and the radius of the second clamping piece (24) are larger than the length or the radius of the tested sample (15), a space is formed between the first clamping piece (19) and the second clamping piece (24) and the tested sample (15), a bonding agent (22) is filled in the space, and two ends of the tested sample (15) are respectively fixed with the first clamping piece (19) and the second clamping piece (24) through the bonding agent (22).
5. The detection frock of thermoplastic composite tensile properties of claim 1, characterized in that: the first fixing device (14) further comprises a first rubber sleeve (20) and/or a second rubber sleeve (21), and the second fixing device (16) further comprises a third rubber sleeve (23) and/or a fourth rubber sleeve (25).
6. The detection frock of thermoplastic composite tensile properties of claim 5, characterized in that: the first rubber sleeve (20) is installed at one end of the first clamping piece (19), the second rubber sleeve (21) is installed at the other end of the first clamping piece (19), the third rubber sleeve (23) is installed at one end of the second clamping piece (24), and the fourth rubber sleeve (25) is installed at the other end of the second clamping piece (24).
7. The detection frock of thermoplastic composite tensile properties of claim 1, characterized in that: the first fixing device (14) is detachably clamped inside the second clamping device (18), and the second fixing device (16) is detachably clamped inside the first clamping device (17).
8. The detection frock of thermoplastic composite tensile properties of claim 7, characterized in that: the second clamping device (18) and the first clamping device (17) are mounted on the hydraulic device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437004.8A CN112557193A (en) | 2020-12-07 | 2020-12-07 | Detection tool for tensile property of thermoplastic composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437004.8A CN112557193A (en) | 2020-12-07 | 2020-12-07 | Detection tool for tensile property of thermoplastic composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112557193A true CN112557193A (en) | 2021-03-26 |
Family
ID=75060406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011437004.8A Pending CN112557193A (en) | 2020-12-07 | 2020-12-07 | Detection tool for tensile property of thermoplastic composite material |
Country Status (1)
| Country | Link |
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| CN (1) | CN112557193A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778303A (en) * | 2022-06-20 | 2022-07-22 | 新沂崚峻光电科技有限公司 | Laser film tension detection device and detection method |
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2020
- 2020-12-07 CN CN202011437004.8A patent/CN112557193A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778303A (en) * | 2022-06-20 | 2022-07-22 | 新沂崚峻光电科技有限公司 | Laser film tension detection device and detection method |
| CN114778303B (en) * | 2022-06-20 | 2022-09-02 | 新沂崚峻光电科技有限公司 | Laser film tension detection device and detection method |
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Application publication date: 20210326 |