CN108414350A - A kind of shoulder fixture - Google Patents
A kind of shoulder fixture Download PDFInfo
- Publication number
- CN108414350A CN108414350A CN201810583531.6A CN201810583531A CN108414350A CN 108414350 A CN108414350 A CN 108414350A CN 201810583531 A CN201810583531 A CN 201810583531A CN 108414350 A CN108414350 A CN 108414350A
- Authority
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- China
- Prior art keywords
- cylinder
- pull head
- push rod
- clamp body
- sample
- Prior art date
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- G01N3/02—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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
-
- 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
Abstract
A kind of shoulder fixture, including upper fixture body, upper pull head, lower clamp body, lower pull head, sample set, the first cylinder, the first push rod, the second cylinder, the second push rod, spring buffer block and compressed spring, wherein, the upper fixture body and lower clamp body are tubular structure and coaxial-symmetrical setting, the lower end of upper fixture body and the upper end of lower clamp body are arranged with the card groove-like structure for placing sample set, and the sample set is for placing sample to be tested；First cylinder and the first push rod are arranged in the tubular structure of upper fixture body from top to bottom successively, the cylinder body of first cylinder is fixedly linked by the first cylinder locking plate with upper fixture body, and first cylinder piston rod be connected with the first push rod for drive the first push rod hold out against positioned at sample set in sample top, the present invention can mating existing conventional cupping machine use, it can be matched again with full-automatic cupping machine, to which the intelligence of equipment be better achieved.
Description
Technical field
The present invention relates to metal materials to test field, and in particular to a kind of shoulder fixture tries for metal material shoulder
The tension test of sample.
Background technology
Existing shoulder fixture uses two valve structures, the movable flap of upper and lower clamp body is opened, according to specimen length nigration
Machine middle cross beam to suitable position, sample is then directly placed into sample set, and close the movable flap of upper and lower clamp body, using use
Screw-driving is had the following problems using the shoulder fixture of the structure：Two clamp body concentricities are poor up and down in experiment, experiment
As a result undesirable；One-off drawing experiment is often done, need to be repeated above operation, not easy enough, trivial operations problem；Make for a long time
With movable flap is easily damaged；When sample breaks moment, sample can be caused to fly out collision fixture intracoelomic cavity, generate noise, even
Cause clamp body to wear, and easily breaks chuck body.
Invention content
The present invention provides a kind of shoulder fixture, to solve existing use to solve the above problem of the existing technology
Artificial frequent auxiliary operation is needed in the fixture of the tension test of metal material shoulder sample, easily damages chuck body, and not
It can apply to the problem of mating full-automatic cupping machine uses.
To achieve the above object, the present invention provides a kind of shoulder fixture, including upper fixture body, upper pull head, lower clamp body,
Lower pull head, sample set, the first cylinder, the first push rod, the second cylinder, the second push rod, spring buffer block and compressed spring, wherein
The upper fixture body and lower clamp body are tubular structure and coaxial-symmetrical setting, the lower end of upper fixture body and lower folder
Specific upper end is arranged with the card groove-like structure for placing sample set, and the sample set is for placing sample to be tested；
First cylinder and the first push rod are arranged in the tubular structure of upper fixture body from top to bottom successively, the first cylinder
Cylinder body be fixedly linked with upper fixture body by the first cylinder locking plate, and the piston rod of the first cylinder be connected with the first push rod with
For driving the first push rod to hold out against the sample top in sample set, the upper pull head is connected with the upper end of upper fixture body；
Second cylinder and the second push rod with respect in upper fixture body the first cylinder and the first push rod be symmetricly set on down
In clamp body, the cylinder body of the second cylinder is fixedly linked by the second cylinder locking plate and lower clamp body, and the piston of the second cylinder
Bar is connected that the second push rod is driven to hold out against the sample lower part in sample set with the second push rod；
The lower end of the lower clamp body is equipped with flange end cap, and the lower pull head is arranged in flange end cap, the spring
Buffer stopper and compressed spring are separately positioned in the tubular structure of lower clamp body lower part, and the coupling part of lower pull head passes through
Flange end cap is connected with one end of compressed spring, and spring buffer block is connected with the other end of compressed spring.
As present invention further optimization technical solution, be additionally provided on the upper fixture body reducing sleeve, spherical pull head and
The upper end of cylinder locking plate, the upper fixture body is connected with reducing sleeve clamping, and the spherical portion of the spherical shape pull head is connected to switching
In set, the rod section of spherical pull head is pierced by from the sets of holes of reducing sleeve and is connected with upper pull head.
As present invention further optimization technical solution, on the spherical shape pull head between reducing sleeve and upper pull head,
It is arranged with the first locking nut for locking spherical pull head and reducing sleeve.
As present invention further optimization technical solution, position corresponding with the first push rod is set on the upper fixture body
It is useful for the first detection switch of the first push rod state of detection.
As present invention further optimization technical solution, it is arranged with and matches with flange end cap to lock on the lower pull head
Second locking nut of tight lower pull head.
As present invention further optimization technical solution, position corresponding with the second push rod is set on the lower clamp body
It is useful for the second detection switch of the second push rod state of detection.
As present invention further optimization technical solution, be respectively equipped on upper pull head and lower pull head with it is upper on testing machine
The pin shaft hole that pull head installation position and lower pull head installation position match.
The shoulder fixture of the present invention can reach following advantageous effect：
1) upper fixture body and lower clamp body are all made of cylinder and hold out against mode, the sample set for sample to be put into clamp body
Afterwards, sample is held out against, after being effectively prevented sample stretching, sample sputters clamp body, is caused to equipment and testing crew
Injury；
2) compressed spring is designed under in clamp body, clamp body can be effectively prevent to break, it may also be used for initial rapid stretches,
When drawing force reaches spring compression force, system reduces tensile speed and improves draw efficiency into trystate；
3) shoulder fixture can mating existing conventional cupping machine use, and can match with full-automatic cupping machine
Set uses, and preferably realizes the intelligence of equipment.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram for the example that shoulder fixture of the present invention provides；
Fig. 2 is the sectional view of the upper fixture body of the present invention；
Fig. 3 is the sectional view of the lower clamp body of the present invention.
In figure：1, upper pull head, the 2, first locking nut, 3, reducing sleeve, 4, spherical pull head, the 5, first cylinder locking plate, 6,
First cylinder, 7, upper fixture body, the 8, first push rod, 9, sample set, the 10, first detection switch；
11, lower clamp body, the 12, second push rod, the 13, second cylinder, 14, spring buffer block, 15, compressed spring, 16, flange
End cap, the 17, second locking nut, 18, lower pull head, the 19, second detection switch.
The object of the invention is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific implementation mode
Below in conjunction with attached drawing and specific implementation mode, the present invention is described further.Drawn in preferred embodiment
Such as "upper", "lower", "left", "right", " centre " and " one " term, only being illustrated for ease of narration, rather than to limit
The enforceable range of the present invention, relativeness are altered or modified, in the case where changing technology contents without essence, when being also considered as this hair
Bright enforceable scope.
As shown in Figure 1 to Figure 3, shoulder fixture includes upper fixture body 7, upper pull head 1, lower clamp body 11, lower pull head 18, sample
Cover the 9, first cylinder 6, the first push rod 8, the second cylinder 13, the second push rod 12, spring buffer block 14 and compressed spring 15, wherein
The upper fixture body 7 and lower clamp body 11 be tubular structure and coaxial-symmetrical setting, the lower end of upper fixture body 7 and
The upper end of lower clamp body 11 is arranged with the card groove-like structure for placing sample set 9, and the sample set 9 is to be tested for placing
Sample；
First cylinder, 6 and first push rod 8 is arranged in the tubular structure of upper fixture body 7 from top to bottom successively, and first
The cylinder body of cylinder 6 is fixedly linked by the first cylinder locking plate 5 with upper fixture body 7, and the piston rod of the first cylinder 6 is pushed away with first
Bar 8 is connected that the first push rod 8 is driven to hold out against the sample top in sample set 9, the upper pull head 1 and upper fixture body 7
Upper end be connected；
The first cylinder 6 and the first push rod 8 in second cylinder, 13 and second push rod, 12 opposite upper fixture body 7 are symmetrically set
It sets in lower clamp body 11, the cylinder body of the second cylinder 13 is fixedly linked by 13 latch of the second cylinder and lower clamp body 11, and
The piston rod of second cylinder 13 is connected that the second push rod 12 is driven to hold out against the sample in sample set 9 with the second push rod 12
Lower part；
Using the above structure, it is built-in with the first cylinder 6 held out against for sample respectively in upper fixture body 7 and lower clamp body 11
With the second cylinder 13, when sample is placed in sample set 9, the first cylinder 6 pushes the first push rod 8, the second cylinder 13 to push second
Push rod 12, sample is held out against, is consolidated, and after sample is broken, since the sample broken can be caused to make by moment screen resilience
It is held out against using cylinder to cause certain danger to laboratory technician at splashing, effectively prevents the splashing of sample, protect
The safety and equipment safety of laboratory technician.
The lower end of the lower clamp body 11 is equipped with flange end cap 16, and the lower pull head 18 is arranged in flange end cap 16,
The spring buffer block 14 and compressed spring 15 are separately positioned in the tubular structure of 11 lower part of lower clamp body, and lower pull head
18 coupling part is connected across flange end cap 16 with one end of compressed spring 15, and spring buffer block 14 is another with compressed spring 15
One end is connected, and in the structure, uses spring buffer design, effectively prevent upper fixture body 7 and lower clamp body 11 in drawing process
Middle generation breaks problem, at the same make equipment original state can high-speed stretch, to improve draw efficiency.
The present invention is as follows in the concrete function of compressed spring 15, when incipient extension is tested, 14 tension masterpiece of spring buffer block
With, 15 stress deformation of compressed spring, after the power of testing machine system reaches preset value, which is reduced to experiment speed by tensile speed
Degree, effectively increases draw efficiency, since spring buffer block 14 is equipped with protection step, makes compressed spring 15 after certain decrement
System pulling force effect makes compressed spring 15 not drawn bad on spring buffer block 14；And broken moment in sample, clamp body by
The impact force of moment, compressed spring 15 play cushioning effect, can absorb part of impact force, effectively prevent upper fixture body 7
Or the damage of lower clamp body 11.
In specific implementation, be additionally provided with reducing sleeve 3, spherical pull head 4 and cylinder latch on the upper fixture body 7, it is described on
The upper end of clamp body 7 is connected with the clamping of reducing sleeve 3, and the spherical portion of the spherical shape pull head 4 is connected in reducing sleeve 3, spherical pull head 4
Rod section be pierced by from the sets of holes of reducing sleeve 3 and be connected with upper pull head 1, be located at reducing sleeve 3 and upper pull head on the spherical shape pull head 4
Between 1, it is arranged with the first locking nut 2 for locking spherical pull head 4 and reducing sleeve 3, the spherical portion of this spherical pull head 4 uses
Bulb designs, and can play the role of aligning centering, efficiently solves upper fixture body 7 and lower 11 concentricity problem of clamp body in experiment,
Experiment drafting results can be made more preferably reliable.
In specific implementation, it is arranged with and matches with flange end cap 16 to lock the second of lower pull head 18 on the lower pull head 18
Locking nut 17.
Position corresponding with the second push rod 12 is equipped in specific implementation, on the lower clamp body 11 pushes away for detecting second
Second detection switch 19 of 12 state of bar, position corresponding with the first push rod 8 is equipped with for detecting the on the upper fixture body 7
First detection switch 10 of one push rod, 8 state.
In specific implementation, be respectively equipped on upper pull head 1 and lower pull head 18 on testing machine 1 installation position of upper pull head and drop-down
The pin shaft hole of first 18 installation non-colinear position.
The operation principle of the shoulder fixture of the present invention is as follows：
First, the shoulder fixture assembled axis pin is mounted on the testing machine for tension test, and according to examination
Control gauge lattice, by corresponding sample set 9 in the card groove-like structure between upper fixture body 7 and lower clamp body 11；
Then, according to the crossbeam in the length nigration machine of sample to suitable position, sample is put into sample set 9
On, the piston of the first cylinder 6 and the second cylinder 13 stretches out respectively, to push the first push rod 8 and the second push rod 12 simultaneously by sample
Upper and lower ends hold out against.
In test process, incipient extension is high-speed stretch, when drawing force is more than the compressing force of compressed spring 15, system drop
Low tensile speed effectively increases system effectiveness into standard tensile speed state.
Although specific embodiments of the present invention have been described above, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and substance of the present invention,
Protection scope of the present invention is only limited by the claims that follow.
Claims (7)
1. a kind of shoulder fixture, which is characterized in that including upper fixture body, upper pull head, lower clamp body, lower pull head, sample set, first
Cylinder, the first push rod, the second cylinder, the second push rod, spring buffer block and compressed spring, wherein
The upper fixture body and lower clamp body are tubular structure and coaxial-symmetrical setting, the lower end of upper fixture body and lower clamp body
Upper end be arranged with for place sample set card groove-like structure, the sample set is for placing sample to be tested；
First cylinder and the first push rod are arranged in the tubular structure of upper fixture body from top to bottom successively, the cylinder of the first cylinder
Body is fixedly linked by the first cylinder locking plate with upper fixture body, and the piston rod of the first cylinder be connected with the first push rod for
The first push rod is driven to hold out against the sample top in sample set, the upper pull head is connected with the upper end of upper fixture body；
Second cylinder and the second push rod with respect in upper fixture body the first cylinder and the first push rod be symmetricly set on lower fixture
In vivo, the cylinder body of the second cylinder is fixedly linked by the second cylinder locking plate and lower clamp body, and the piston rod of the second cylinder with
Second push rod is connected that the second push rod is driven to hold out against the sample lower part in sample set；
The lower end of the lower clamp body is equipped with flange end cap, and the lower pull head is arranged in flange end cap, the spring buffer
Block and compressed spring are separately positioned in the tubular structure of lower clamp body lower part, and the coupling part of lower pull head passes through flange
End cap is connected with one end of compressed spring, and spring buffer block is connected with the other end of compressed spring.
2. shoulder fixture according to claim 1, which is characterized in that be additionally provided with reducing sleeve, spherical shape on the upper fixture body
The upper end of pull head and cylinder latch, the upper fixture body is connected with reducing sleeve clamping, the spherical portion clamping of the spherical shape pull head
In reducing sleeve, the rod section of spherical pull head is pierced by from the sets of holes of reducing sleeve and is connected with upper pull head.
3. shoulder fixture according to claim 2, which is characterized in that be located at reducing sleeve and upper pull head on the spherical shape pull head
Between, it is arranged with the first locking nut for locking spherical pull head and reducing sleeve.
4. shoulder fixture according to any one of claims 1 to 3, which is characterized in that pushed away with first on the upper fixture body
The corresponding position of bar is equipped with the first detection switch for detecting the first push rod state.
5. shoulder fixture according to claim 4, which is characterized in that be arranged on the lower pull head and match with flange end cap
It closes to lock the second locking nut of lower pull head.
6. shoulder fixture according to claim 5, which is characterized in that corresponding with the second push rod on the lower clamp body
Position is equipped with the second detection switch for detecting the second push rod state.
7. shoulder fixture according to claim 6, which is characterized in that be respectively equipped with and try on the upper pull head and lower pull head
The pin shaft hole that the upper pull head installation position and lower pull head installation position tested on machine match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583531.6A CN108414350B (en) | 2018-06-05 | 2018-06-05 | Shoulder clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583531.6A CN108414350B (en) | 2018-06-05 | 2018-06-05 | Shoulder clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108414350A true CN108414350A (en) | 2018-08-17 |
| CN108414350B CN108414350B (en) | 2023-12-05 |
Family
ID=63141472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810583531.6A Active CN108414350B (en) | 2018-06-05 | 2018-06-05 | Shoulder clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108414350B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374405A (en) * | 2018-11-12 | 2019-02-22 | 中国航发北京航空材料研究院 | A kind of ceramic fixture for the test of superhigh temperature creep tensile strength |
| CN117571457A (en) * | 2024-01-15 | 2024-02-20 | 苏州迈达检测科技有限公司 | High-speed tensile test clamp, high-speed tensile test device and method |
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| WO1991009294A1 (en) * | 1989-12-20 | 1991-06-27 | Textechno Herbert Stein Gmbh & Co. Kg | Clamping device for high-strength filamentary or ribbon-shaped materials |
| JP2008196880A (en) * | 2007-02-09 | 2008-08-28 | Shimadzu Corp | Materials testing machine |
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| CN205049402U (en) * | 2015-05-22 | 2016-02-24 | 贵州航天新力铸锻有限责任公司 | Panel sample tensile test frock |
| CN205538459U (en) * | 2016-04-12 | 2016-08-31 | 温州际高检测仪器有限公司 | Tensile anchor clamps of pneumatic type fabric |
| CN208270329U (en) * | 2018-06-05 | 2018-12-21 | 深圳万测试验设备有限公司 | A kind of shoulder fixture |
-
2018
- 2018-06-05 CN CN201810583531.6A patent/CN108414350B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES233637A1 (en) * | 1956-02-15 | 1957-07-16 | Ici Ltd | Metal drawing apparatus |
| US4290720A (en) * | 1979-12-17 | 1981-09-22 | R. F. B. Engineering Inc. | Quick self-release and reload tooling device |
| WO1991009294A1 (en) * | 1989-12-20 | 1991-06-27 | Textechno Herbert Stein Gmbh & Co. Kg | Clamping device for high-strength filamentary or ribbon-shaped materials |
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| CN102778393A (en) * | 2012-06-06 | 2012-11-14 | 美特斯工业系统（中国）有限公司 | Full-automatic tension testing machine |
| CN103358248A (en) * | 2013-07-26 | 2013-10-23 | 深圳万测试验设备有限公司 | Butt-clamping clamp |
| CN203658189U (en) * | 2013-12-19 | 2014-06-18 | 上海华龙测试仪器股份有限公司 | Abrasion tester of friction plate |
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| CN205538459U (en) * | 2016-04-12 | 2016-08-31 | 温州际高检测仪器有限公司 | Tensile anchor clamps of pneumatic type fabric |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374405A (en) * | 2018-11-12 | 2019-02-22 | 中国航发北京航空材料研究院 | A kind of ceramic fixture for the test of superhigh temperature creep tensile strength |
| CN117571457A (en) * | 2024-01-15 | 2024-02-20 | 苏州迈达检测科技有限公司 | High-speed tensile test clamp, high-speed tensile test device and method |
| CN117571457B (en) * | 2024-01-15 | 2024-04-02 | 苏州迈达检测科技有限公司 | High-speed tensile test device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108414350B (en) | 2023-12-05 |
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