CN113340721A - Electronic universal testing machine and testing clamp thereof - Google Patents
Electronic universal testing machine and testing clamp thereof Download PDFInfo
- Publication number
- CN113340721A CN113340721A CN202110634304.3A CN202110634304A CN113340721A CN 113340721 A CN113340721 A CN 113340721A CN 202110634304 A CN202110634304 A CN 202110634304A CN 113340721 A CN113340721 A CN 113340721A
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- CN
- China
- Prior art keywords
- clamp
- block
- stamping
- clamping
- electronic universal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
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- 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
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- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
Abstract
The invention discloses an electronic universal testing machine and a test clamp of the testing machine, the structure of the test clamp comprises a stretching clamp and a stamping clamp, the stretching clamp consists of an upper clamp and a lower clamp, the stamping clamp, the upper clamp and the lower clamp have the same structure, the upper clamp and the lower clamp are arranged in an up-down symmetrical manner, and the stamping clamp and the upper clamp are arranged in the same direction; the stamping fixture, the upper fixture and the lower fixture are all composed of a first inclined block, a second inclined block, a first clamping block and a second clamping block, the first inclined block and the second inclined block are stacked, and the first clamping block is arranged along the inclined plane of the first inclined block in a sliding mode.
Description
Technical Field
The invention discloses an electronic universal testing machine and a testing clamp thereof, belonging to the technical field of electronic equipment.
Background
The electronic universal material test is a product combining modern electronic technology and mechanical transmission technology, is a large-scale precision test instrument which fully exerts respective special advantages of electromechanics, can test various materials in multiple properties such as stretching, compression, bending, peeling, shearing and the like, and has the characteristics of wide measurement range, high precision, quick response and the like. The working is reliable, the efficiency is high, and the test data can be displayed, recorded and printed in real time.
The existing electronic universal tester clamp clamps a test material by utilizing a clamp, so that friction force is generated to enable the test material and the clamp to be relatively static, and the test can be smoothly carried out. The method for clamping the test material by the clamp through the friction force has the defects that wave deformation can be generated at the clamping part of some test materials in the sample preparation process, so that the clamp and the clamping part cannot be effectively attached, the clamping part of the test material can slip from the clamp along with the increase of the tensile force in the test process, and the smooth test cannot be ensured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an electronic universal testing machine and a testing clamp thereof, so as to solve the existing problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: the test fixture of the electronic universal test machine structurally comprises a stretching fixture and a stamping fixture, wherein the stretching fixture consists of an upper fixture and a lower fixture, the stamping fixture, the upper fixture and the lower fixture are identical in structure, the upper fixture and the lower fixture are arranged in an up-down symmetrical mode, and the stamping fixture and the upper fixture are arranged in the same direction.
Furthermore, the stamping clamp, the upper clamp and the lower clamp are all composed of a first inclined block, a second inclined block, a first clamping block and a second clamping block, the first inclined block and the second inclined block are stacked and arranged, the first clamping block is arranged along the inclined plane of the first inclined block in a sliding mode, the second clamping block is arranged along the inclined plane of the second inclined block in a sliding mode, and the first clamping block and the second clamping block are mutually matched.
The first clamping block and the second clamping block clamping face of the lower clamp are both hinged with a stabilizing block, and a spring is connected between the lower end of the stabilizing block and the clamping face.
Further, the upper ends of the first clamping blocks and the second clamping blocks on the upper clamp and the lower clamp extend to the outside.
Further, the first clamping block and the second clamping block are respectively in threaded connection with a fastener.
Further, the inclined planes of the first inclined block and the second inclined block are inclined at an angle of 30 °.
An electronic universal testing machine structurally comprises a machine base, wherein a fixed plate is arranged above a table board of the machine base, a movable plate is arranged between the fixed plate and the table board of the machine base, a driving device for driving the movable plate to ascend and descend is further arranged on the machine base, the electronic universal testing machine further comprises a stretching clamp and a stamping clamp in claims 1 to 6, the stamping clamp is arranged on the table board of the machine base, and an upper clamp and a lower clamp are respectively arranged at the bottom end of the fixed plate and the top end of the movable plate.
Furthermore, a sliding groove is formed in the table top of the machine base, and the first inclined block and the second inclined block of the stamping clamp are respectively located on two sides of the sliding groove and are arranged towards the middle in a sliding mode.
Furthermore, a limiting fastener is arranged in the sliding groove.
Further, the driving device is driven by a screw rod and a motor, and the screw rod is in threaded connection with the side end of the moving plate.
The invention has the beneficial effects that: the device has the advantages of simple structure, convenience in use, economical use and the like, and can ensure that accurate experimental results are obtained, thereby effectively eliminating the defects that the clamping part of the test material can not be effectively attached to the clamping part of the test material in the traditional clamp, the clamping part of the test material can slip from the clamp along with the increase of the tensile force in the test process, and the smooth running of the test can not be ensured.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an electronic universal testing machine and a test fixture of the testing machine according to the present invention;
FIG. 2 is a front view of the electronic universal testing machine and the test fixture of the testing machine according to the present invention;
FIG. 3 is a drawing internal structure view of an electronic universal testing machine and a test fixture of the testing machine according to the present invention;
FIG. 4 is a drawing showing the structure of a press jig of an electronic universal testing machine and a test jig of the testing machine according to the present invention.
In the figure: the device comprises a stamping clamp-1, an upper clamp-2, a lower clamp-3, a first inclined block-4, a second inclined block-5, a first clamping block-6, a second clamping block-7, a stabilizing block-8, a spring-9, a fastener-10, a machine base-11, a fixed plate-12, a movable plate-13, a driving device-14, a chute-15 and a limiting fastener-16.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-4, the present invention provides an electronic universal testing machine and a technical solution of a testing fixture of the testing machine: the structure of the device comprises a stretching clamp and a stamping clamp 1, wherein the stretching clamp consists of an upper clamp 2 and a lower clamp 3, the stamping clamp 1, the upper clamp 2 and the lower clamp 3 are identical in structure, the upper clamp 2 and the lower clamp 3 are symmetrically arranged up and down, and the stamping clamp 1 and the upper clamp 2 are arranged in the same direction; stamping fixture 1, go up anchor clamps 2 and lower anchor clamps 3 constitute by first sloping block 4, second sloping block 5, first clamp splice 6, second clamp splice 7, first sloping block 4 and second sloping block 5 pile up the setting, first clamp splice 6 slides along first sloping block 4 inclined plane and sets up, second clamp splice 7 slides along second sloping block 5 inclined plane and sets up, first clamp splice 6 and second clamp splice 7 are coincide mutually, first clamp splice 6 and second clamp splice 7 clamping surface of lower anchor clamps 2 all articulate and are provided with stabilizing block 8, be connected with spring 9 between stabilizing block 8 lower extreme and the clamping surface, go up anchor clamps 2 and extend to external world on first clamp splice 6 and the second clamp splice 7 centre gripping upper end on the anchor clamps 3, all threaded connection has fastener 10 on the first clamp splice 6 and the second clamp splice 7 protruding portion, the inclined plane of first sloping block 4 and second sloping block 5 is 30, the structure of the automatic stamping machine comprises a machine base 11, wherein a fixed plate 12 is arranged above a table top of the machine base 11, a movable plate 13 is arranged between the fixed plate 12 and the table top of the machine base 11, a driving device 14 for driving the movable plate 13 to ascend and descend is further arranged on the machine base 11, the automatic stamping machine further comprises the stretching clamp and the stamping clamp 1 according to claims 1 to 6, the stamping clamp 1 is arranged on the table top of the machine base 11, an upper clamp 2 and a lower clamp 3 are respectively arranged at the bottom end of the fixed plate 12 and the top end of the movable plate 13, a sliding groove 15 is formed in the table top of the machine base 11, a first inclined block 4 and a second inclined block 5 of the stamping clamp 1 are respectively arranged in the middle of two sides of the sliding groove 15 in a sliding mode, a limiting fastener 16 is arranged in the sliding groove 15, the driving device 14 is a screw rod and a motor, and the screw rod is in threaded connection with the side end of the movable plate 13.
For example, when the device is used for carrying out a tensile property test on a material, the upper end and the lower end of the material are respectively arranged in the upper clamp 2 and the lower clamp 3 and are fixed through the fastener 10, when the material is tested, the upper end and the lower end respectively receive middle tension, so that the lower end is stressed upwards, the lower end is stressed downwards, the first clamping block 6 and the second clamping block 7 are driven by the tension to move along the inclined plane of the inclined blocks, the two clamping blocks approach each other along with the increase of the tension, the clamping force on the material is also increased, when the material needs to be subjected to a compression test, the interval between the two inclined blocks on the stamping clamp is adjusted according to the approximate size of the material, then the material is inserted between the two clamping blocks, due to the design of the stabilizing block 8, the material can be primarily clamped, then the material is pressed along with the pressing block, under the action of the pressure, the two clamping blocks move downwards along the inclined plane to approach each other, increasing the clamping force on the material.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a test fixture of electronic universal tester which characterized in that: the structure of the drawing clamp comprises a drawing clamp and a stamping clamp (1), wherein the drawing clamp comprises an upper clamp (2) and a lower clamp (3), the stamping clamp (1), the upper clamp (2) and the lower clamp (3) are identical in structure, the upper clamp (2) and the lower clamp (3) are arranged in a vertically symmetrical mode, and the stamping clamp (1) and the upper clamp (2) are arranged in the same direction.
2. The test fixture of claim 1, wherein: punching press anchor clamps (1), go up anchor clamps (2) and lower anchor clamps (3) constitute by first sloping block (4), second sloping block (5), first clamp splice (6), second clamp splice (7), setting is piled to first sloping block (4) and second sloping block (5), first clamp splice (6) slide along first sloping block (4) inclined plane and set up, second clamp splice (7) slide along second sloping block (5) inclined plane and set up, first clamp splice (6) and second clamp splice (7) are laminated mutually.
3. The test fixture of claim 2, wherein: the clamping surfaces of the first clamping block (6) and the second clamping block (7) of the lower clamp (2) are both hinged with a stabilizing block (8), and a spring (9) is connected between the lower end of the stabilizing block (8) and the clamping surface.
4. The test fixture of claim 2, wherein: the upper ends of the first clamping blocks (6) and the second clamping blocks (7) on the upper clamp (2) and the lower clamp (3) are clamped and extend to the outside.
5. The test fixture of claim 4, wherein: the protruding parts of the first clamping block (6) and the second clamping block (7) are both in threaded connection with fasteners (10).
6. The test fixture of claim 2, wherein: the inclined plane inclination angle of the first inclined block (4) and the second inclined block (5) is 30 degrees.
7. An electronic universal tester is characterized in that; the structure of the device comprises a base (11), wherein a fixed plate (12) is arranged above the table top of the base (11), a movable plate (13) is arranged between the fixed plate (12) and the table top of the base (11), a driving device (14) for driving the movable plate (13) to ascend and descend is further arranged on the base (11), the device further comprises the stretching clamp and the stamping clamp (1) in claims 1 to 6, the stamping clamp (1) is arranged on the table top of the base (11), and an upper clamp (2) and a lower clamp (3) are respectively arranged at the bottom end of the fixed plate (12) and the top end of the movable plate (13).
8. The electronic universal testing machine as claimed in claim 7, wherein: the stamping fixture is characterized in that a sliding groove (15) is formed in the table top of the machine base (11), and a first inclined block (4) and a second inclined block (5) of the stamping fixture (1) are respectively located on two sides of the sliding groove (15) and are arranged in the middle in a sliding mode.
9. The electronic universal testing machine as claimed in claim 8, wherein: and a limiting fastener (16) is arranged in the sliding groove (15).
10. The electronic universal testing machine as claimed in claim 7, wherein: the driving device (14) is driven by a screw rod and a motor, and the screw rod is in threaded connection with the side end of the moving plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110634304.3A CN113340721A (en) | 2021-06-07 | 2021-06-07 | Electronic universal testing machine and testing clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110634304.3A CN113340721A (en) | 2021-06-07 | 2021-06-07 | Electronic universal testing machine and testing clamp thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113340721A true CN113340721A (en) | 2021-09-03 |
Family
ID=77474730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110634304.3A Pending CN113340721A (en) | 2021-06-07 | 2021-06-07 | Electronic universal testing machine and testing clamp thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113340721A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB949973A (en) * | 1960-08-11 | 1964-02-19 | Saml Denison & Son Ltd | Improvements in grips for incorporation in physical testing machines |
| JPH10170419A (en) * | 1996-12-05 | 1998-06-26 | Shimadzu Corp | Material testing device |
| CN205228954U (en) * | 2015-12-22 | 2016-05-11 | 承德市德盛检测设备有限公司 | Many function test of two crossbeam electrons machine |
| CN106483013A (en) * | 2016-11-28 | 2017-03-08 | 北京金风科创风电设备有限公司 | Clamping device and load testing machine |
| CN206311427U (en) * | 2016-12-16 | 2017-07-07 | 深圳市水务工程检测有限公司 | A kind of tensile test fixture and universal testing machine |
| CN207717511U (en) * | 2017-12-20 | 2018-08-10 | 北京理工大学珠海学院 | Wire cable insulating testing of materials machine grip holder |
| CN109030189A (en) * | 2018-07-13 | 2018-12-18 | 山西省机电设计研究院 | V-type collet Universal hydraulic Material Testing Machine Horizontal clamp |
| CN209264415U (en) * | 2018-11-30 | 2019-08-16 | 福建方实工程检测有限公司 | A kind of universal testing machine |
| CN210465139U (en) * | 2019-07-31 | 2020-05-05 | 杭州国华检测技术有限公司 | Universal testing machine |
| CN212483151U (en) * | 2020-07-02 | 2021-02-05 | 深圳市实瑞建筑技术有限公司 | Elasticity architectural coatings tensile test anchor clamps |
-
2021
- 2021-06-07 CN CN202110634304.3A patent/CN113340721A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB949973A (en) * | 1960-08-11 | 1964-02-19 | Saml Denison & Son Ltd | Improvements in grips for incorporation in physical testing machines |
| JPH10170419A (en) * | 1996-12-05 | 1998-06-26 | Shimadzu Corp | Material testing device |
| CN205228954U (en) * | 2015-12-22 | 2016-05-11 | 承德市德盛检测设备有限公司 | Many function test of two crossbeam electrons machine |
| CN106483013A (en) * | 2016-11-28 | 2017-03-08 | 北京金风科创风电设备有限公司 | Clamping device and load testing machine |
| CN206311427U (en) * | 2016-12-16 | 2017-07-07 | 深圳市水务工程检测有限公司 | A kind of tensile test fixture and universal testing machine |
| CN207717511U (en) * | 2017-12-20 | 2018-08-10 | 北京理工大学珠海学院 | Wire cable insulating testing of materials machine grip holder |
| CN109030189A (en) * | 2018-07-13 | 2018-12-18 | 山西省机电设计研究院 | V-type collet Universal hydraulic Material Testing Machine Horizontal clamp |
| CN209264415U (en) * | 2018-11-30 | 2019-08-16 | 福建方实工程检测有限公司 | A kind of universal testing machine |
| CN210465139U (en) * | 2019-07-31 | 2020-05-05 | 杭州国华检测技术有限公司 | Universal testing machine |
| CN212483151U (en) * | 2020-07-02 | 2021-02-05 | 深圳市实瑞建筑技术有限公司 | Elasticity architectural coatings tensile test anchor clamps |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210903 |
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| RJ01 | Rejection of invention patent application after publication |