CN108225900A - Self-locking jig on measurer for pulling force - Google Patents
Self-locking jig on measurer for pulling force Download PDFInfo
- Publication number
- CN108225900A CN108225900A CN201810053989.0A CN201810053989A CN108225900A CN 108225900 A CN108225900 A CN 108225900A CN 201810053989 A CN201810053989 A CN 201810053989A CN 108225900 A CN108225900 A CN 108225900A
- Authority
- CN
- China
- Prior art keywords
- gripper
- self
- measurer
- pulling force
- material folding
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 41
- 210000000078 claw Anatomy 0.000 claims description 27
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 210000003456 pulmonary alveoli Anatomy 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 23
- 238000012360 testing method Methods 0.000 abstract description 4
- 244000023431 Proboscidea parviflora Species 0.000 description 4
- 235000019096 Proboscidea parviflora Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009864 tensile test Methods 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
Landscapes
- 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 is related to workpiece testing field, self-locking jig on more particularly to a kind of measurer for pulling force, during charging, the center being pressed into workpiece for measurement by material-handling hole between each gripper, make the gripper stress with sliding block and move down in an axial direction, during moving down, gripper with sliding block moves away from the axial line of material folding cover under the guiding role of the straight sliding rail of sliding rail, so that the clamping diameter range increase between each gripper, when the clamping diameter range of each gripper is more than the diameter of workpiece for measurement, workpiece for measurement is embedded, complete charging;After the completion of charging, the lower pressure to workpiece for measurement is removed, the gripper with sliding block is acted on by the elastic force of resetting spring and moved up in an axial direction, and the clamping diameter range between each gripper reduces, and realizes that self-locking clamps.
Description
Technical field
The invention is related to workpiece testing field, the self-locking jig on more particularly to a kind of measurer for pulling force.
Background technology
Fixture major function on measurer for pulling force is to clamp workpiece for measurement (the common shape of workpiece for measurement is round bar shape),
When ensureing measurer for pulling force work, workpiece for measurement does not loosen.At present, the fixture on measurer for pulling force is generally using the knot of double claw clips
Structure, double claw clips are built-in with gear, and the surfaces of double claw clips is extended with handle, during charging, need manual rotation's handle, handle band moving teeth
Wheel rotation changes the clamping diameter range of double claw clips, and to clamp workpiece for measurement, the operation of entire charging process is more numb
It is tired, not enough simply.
Invention content
The purpose of the invention is that fixture is made simply to feed.
For this purpose, providing the self-locking jig on a kind of measurer for pulling force, including pedestal and claw clip, the gripper in claw clip is erect
In the top surface of pedestal, the material folding cover being sleeved in claw clip is further included, the cover of material folding cover is open-top material-handling hole;It is equipped at least in material folding cover
One straight sliding rail being obliquely installed, which swings to the axial line of material folding cover, so as to fulfill the inclination;For claw clip
On any one gripper, be lined with resetting spring between the gripper and pedestal, sliding block be equipped with adjacent to the one side of material folding cover, it is sliding
Block slides in straight sliding rail.
Further, the top surface of pedestal is equipped with spring groove, and the resetting spring is erected in spring groove, the bottom of gripper
Portion is embedded in spring groove, and is jacked up by the resetting spring in spring groove.
Further, it opens up and has the gap on the side wall of spring groove, the one end in gap extends to top side wall, and gap is from spring
The side wall of slot is through to the peripheral side of pedestal.
Further, self-locking jig further includes discharge ring and at least a guide pin, discharge ring are sleeved on the periphery of pedestal
There is at least one through-hole in side on discharge ring, this three's quantity of guide pin, through-hole, the gripper with sliding block is equal;Each through-hole
Each gripper with sliding block is respectively aligned to, there is a guide pin in each through-hole, one end of the guide pin, which passes through, to be led to
Hole, one end are inserted into the gripper that through-hole is aligned.
Further, guide pin and gripper close-fitting;Guide pin and discharge ring slide fit.
Further, have sliding block on each gripper of claw clip, each sliding block be configured with a straight sliding rail come with
Matching.
Further, there are at least three grippers in the claw clip, each gripper is uniformly looped around the axial direction of material folding cover
On line.
Further, the straight sliding rail is dovetail groove, and the sliding block is dovetail, and dovetail is consistent with the inclination angle of dovetail groove,
And mutual profiling.
Further, self-locking jig further includes shop bolt, is inserted into material folding cover to one end slide fit of shop bolt, another
Thread locking is held on pedestal.
Further, for any one gripper in claw clip, the one side far from material folding cover is equipped with reversed alveolus.
Advantageous effect:
During charging, workpiece for measurement is pressed by center between each gripper by material-handling hole, is made with sliding block
Gripper stress and move down in an axial direction, during moving down, because the direction of straight sliding rail toward the axial line close to material folding slot is inclined
, so the upper end of straight sliding rail is nearer from the axial line of material folding slot, axial line of the lower end from material folding slot of straight sliding rail farther out,
Gripper with sliding block moves away from the axial line of material folding cover under the guiding role of this straight sliding rail so that each gripper
Between clamping diameter range increase, when each gripper clamping diameter range be more than workpiece for measurement diameter when, work to be measured
Part is embedded, and completes charging;After the completion of charging, the lower pressure to workpiece for measurement is removed, the gripper with sliding block is by multiple
The elastic force of position spring is acted on and is moved up in an axial direction, and the clamping diameter range between each gripper reduces, and realizes that self-locking clamps.
Description of the drawings
The invention is described further using attached drawing, but the embodiment in attached drawing is not formed to the invention
Any restrictions, without creative efforts, can also be according to following attached for those of ordinary skill in the art
Figure obtains other attached drawings.
Fig. 1 is the explosive view of self-locking jig.
Fig. 2 is the sectional view of self-locking jig.
Reference numeral:1 --- workpiece for measurement;2 --- round material folding cover;21 --- dovetail groove;3 --- gripper;
31 --- dovetail;32 --- reversed alveolus;4 --- guide pin;5 --- resetting spring;6 --- discharge ring;61 --- through-hole;
7 --- shop bolt;8 --- pedestal;81 --- spring groove;82 --- gap.
Specific embodiment
The invention is further described with the following Examples.
See Fig. 1 and Fig. 2, self-locking jig by round material folding cover 2, three claw clips, guide pin 4, resetting spring 5, discharge ring 6,
Shop bolt 7, pedestal 8 form.
To be cylindric, top surface is set there are three spring groove 81 pedestal 8, erects that there are one resetting springs in each spring groove 81
5.Three claw clips are made of three grippers 3, and three grippers 3 are uniformly looped around on the axial line of pedestal 8, so as to from three sides
Workpiece for measurement 1 is caught upwards, for round bar shape workpiece for measurement 1, there is stronger grip.The bottom difference of three grippers 3
Embedded three spring grooves 81, and jacked up by the resetting spring 5 in spring groove 81.
Discharge ring 6 is sleeved on the peripheral side of pedestal 8, and three through-holes 61 are uniformly surrounded on side wall, and three through-holes 61 are distinguished
It is directed at three grippers 3.There is a guide pin 4 in each through-hole 61, one end of the guide pin 4 passes through through-hole 61,
The other end is inserted into the gripper 3 that through-hole 61 is aligned.Wherein, guide pin 4 and 3 close-fitting of gripper, avoid guide pin 4 from falling
Go out gripper 3;Guide pin 4 and 6 slide fit of discharge ring make guide pin 4 convenient across through-hole 61.By the side of each spring groove 81
Wall is rived vertically from top to bottom, so as to open up out one of gap 82, one end extension in gap 82 on the side wall of the spring groove 81
To top side wall, the side wall of gap 82 from spring groove 81 is through to the peripheral side of pedestal 8.Each guide pin 4 is individually trapped in
In one of gap 82, gap 82 is used to constrain the direction of motion of guide pin 4.
Round material folding cover 2 is sleeved in three claw clips, and cover top centre is opened supplies three claw clips to lean out there are one material-handling hole.It is round
It is set in material folding cover 2 there are three the dovetail groove 21 being obliquely installed, sees Fig. 2, each dovetail groove 21 all swings to the axial direction of round material folding cover 2
Line, so as to fulfill the inclination.For each gripper 3 in round material folding cover 2, front is covered with reversed alveolus 32 to bite
Workpiece for measurement 1, the back side are set there are one the dovetail 31 that is obliquely installed, and the dovetail 31 is consistent with the inclination angle of dovetail groove 21.Dovetail 31
With 21 mutual profiling of dovetail groove, so as to which dovetail 31 be enable to be slided in dovetail groove 21, and dovetail groove 21 will not be dropped out, in this way,
It is constrained by simple mechanical structure with regard to that can allow between gripper 3 and round material folding cover 2 be formed, makes gripper 3 can only be along circle
Clevis material cover 2 slides axially.Further, since have dovetail 31 on each gripper 3, therefore each gripper 3 can slide.It is excellent
Selection of land sets three shop bolts 7 between round material folding cover 2 and pedestal 8, is inserted into one end slide fit of every shop bolt 7
Round material folding cover 2, other end slide fit ground inserted base 8, makes between round material folding cover 2 and pedestal 8 through three shop bolts 7
Horizontal locking is carried out, avoids the double swerve of round material folding cover 2;Meanwhile three shop bolts 7 are by round material folding cover 2 and bottom
8 precise positionings of seat make self-locking jig keep straight on same item axial direction line.Wherein, the bottom of shop bolt 7 is common M8 screws
Structure is threadedly secured on pedestal 8.
When being fed with self-locking jig, workpiece for measurement 1 by material-handling hole is pressed into the center of three claw clip upper ends, makes three
Claw clip axially moves down, and during this, each gripper 3 in three claw clips moves away from material folding cover under the guiding role of dovetail 31
Axial line so that between each gripper 3 clamping diameter range increase, when the clamping diameter range of each gripper 3 is big
When the diameter of workpiece for measurement 1, workpiece for measurement 1 is embedded, so as to complete to feed.After the completion of charging, remove to be measured
The lower pressure of workpiece 1, each gripper 3 is axial by the elastic force effect of resetting spring 5 to be moved up, and so as to re-close, is realized certainly
Locker is tight.
When measurer for pulling force carries out tensile test to workpiece for measurement 1, workpiece for measurement 1 is drawn out self-locking under a stretching force
Fixture drives the gripper 3 of three claw clips is axial to move up, each gripper 3 is made to collect along the radial direction of self-locking jig, realizes self-locking clip
Tightly, during this, the pulling force on workpiece for measurement 1 is bigger, and the clamping force being subject to is also bigger, so as to ensure to be treated in test process
It is non-slip to survey workpiece 1.
After the completion of test, discharge ring 6 is pulled downward on, three claw clips, which synchronize, to be moved down, and each gripper 3 moves away from material folding cover
Axial line, when the clamping diameter range of gripper 3 is more than the diameter of workpiece for measurement 1, by workpiece for measurement 1 from material-handling hole easily
It takes out, completes discharging.
It should be noted that the gripper 3 of three claw clips uses SKD11 materials, after heat treatment, hardness is up to HRC55
~60.Round material folding cover 2 and pedestal 8 are using S136 materials, and after heat treatment, hardness is up to HRC48~52.Discharge ring 6
Use S136 materials.Guide pin 4 and shop bolt 7 are all using SUJ2 materials, after heat treatment, hardness up to HRC49~
55。
Finally it should be noted that above example is only to illustrate the technical solution of the invention rather than to this hair
It is bright create protection domain limitation, although being explained in detail with reference to preferred embodiment to the invention, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the invention, without departing from this
The spirit and scope of innovation and creation technical solution.
Claims (10)
1. the self-locking jig on measurer for pulling force, including pedestal and claw clip, at least two grippers in claw clip, the machine in claw clip
Machinery claw is erected at the top surface of pedestal,
It is characterized in that:
The material folding cover being sleeved in claw clip is further included, the cover of material folding cover is open-top material-handling hole;
At least one straight sliding rail being obliquely installed is equipped in material folding cover, which swings to the axial line of material folding cover, so as to
Realize the inclination;
For any one gripper in claw clip, resetting spring is lined between the gripper and pedestal, close to the one of material folding cover
Face is equipped with sliding block, and the sliding block and the straight sliding rail cooperation of any bar are slided.
2. the self-locking jig on measurer for pulling force according to claim 1, it is characterized in that:The top surface of pedestal is equipped with spring
Slot, the resetting spring setting are placed in spring groove, the bottom insertion spring groove of gripper, and by the reset bullet in spring groove
Spring jacks up.
3. the self-locking jig on measurer for pulling force according to claim 2, it is characterized in that:It is offered on the side wall of spring groove
Gap, gap are through to the peripheral side of pedestal from the side wall of spring groove.
4. the self-locking jig on measurer for pulling force according to claim 1, it is characterized in that:
Discharge ring and at least a guide pin are further included, discharge ring is sleeved on the peripheral side of pedestal, has on discharge ring at least one
Through-hole, this three's quantity of guide pin, through-hole, the gripper with sliding block are equal;
Each through-hole is respectively aligned to each gripper with sliding block, there is a guide pin, the guide pin in each through-hole
One end pass through through-hole, one end is inserted into the gripper that through-hole is aligned.
5. the self-locking jig on measurer for pulling force according to claim 4, it is characterized in that:Guide pin is tight with gripper
Match;Guide pin and discharge ring slide fit.
6. according to the self-locking jig on claim 1-5 any one of them measurer for pulling force, it is characterized in that:Each machine of claw clip
There is sliding block in machinery claw, it is next matching that each sliding block is configured with a straight sliding rail.
7. the self-locking jig on measurer for pulling force according to claim 6, it is characterized in that:Have at least three in the claw clip
Gripper, each gripper uniform ring is around the axial line of material folding cover.
8. according to the self-locking jig on claim 1-5 any one of them measurer for pulling force, it is characterized in that:The straight sliding rail
It is dovetail groove, the sliding block is dovetail, and dovetail is consistent with the inclination angle of dovetail groove, and mutual profiling.
9. according to the self-locking jig on claim 1-5 any one of them measurer for pulling force, it is characterized in that:Further include positioning pin
Nail, is inserted into material folding cover to one end slide fit of shop bolt, the other end is screwed onto on pedestal.
10. according to the self-locking jig on claim 1-5 any one of them measurer for pulling force, it is characterized in that:For in claw clip
Any one gripper, the one side far from material folding cover be equipped with reversed alveolus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810053989.0A CN108225900A (en) | 2018-01-19 | 2018-01-19 | Self-locking jig on measurer for pulling force |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810053989.0A CN108225900A (en) | 2018-01-19 | 2018-01-19 | Self-locking jig on measurer for pulling force |
Publications (1)
Publication Number | Publication Date |
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CN108225900A true CN108225900A (en) | 2018-06-29 |
Family
ID=62668050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810053989.0A Pending CN108225900A (en) | 2018-01-19 | 2018-01-19 | Self-locking jig on measurer for pulling force |
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CN (1) | CN108225900A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112325015A (en) * | 2020-11-25 | 2021-02-05 | 嘉兴迈思特管件制造有限公司 | Flange type joint for engineering machinery |
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CN206479419U (en) * | 2017-02-09 | 2017-09-08 | 旭润电子科技(五峰)有限公司 | Data wire waves test clamping device |
CN206811191U (en) * | 2017-04-28 | 2017-12-29 | 昆山义成工具有限公司 | Electric drill chuck |
CN207976340U (en) * | 2018-01-19 | 2018-10-16 | 东莞市中泰精创精密科技有限公司 | Self-locking jig on measurer for pulling force |
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2018
- 2018-01-19 CN CN201810053989.0A patent/CN108225900A/en active Pending
Patent Citations (11)
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---|---|---|---|---|
CN201895098U (en) * | 2010-11-13 | 2011-07-13 | 浙江三鸥机械股份有限公司 | Drill chuck |
CN201974335U (en) * | 2011-03-17 | 2011-09-14 | 河北省电力建设调整试验所 | Special chuck of nonstandard bolt sample |
CN203299053U (en) * | 2013-05-13 | 2013-11-20 | 河北钢铁股份有限公司 | Tabular sample clamp for high-temperature tensile test machine |
CN203371442U (en) * | 2013-05-27 | 2014-01-01 | 南京德朔实业有限公司 | Clamping device for clamping fastener |
CN104280293A (en) * | 2014-10-11 | 2015-01-14 | 中冶建筑研究总院有限公司 | Tensile test fixture for materials |
US20170199108A1 (en) * | 2015-07-14 | 2017-07-13 | Soochow University | Mechanical Property Tester of Biological Soft Tissue |
CN105203397A (en) * | 2015-10-30 | 2015-12-30 | 安徽佳力奇航天碳纤维有限公司 | Electronic tensile machine for testing performance of carbon fiber composite |
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 |
CN206479419U (en) * | 2017-02-09 | 2017-09-08 | 旭润电子科技(五峰)有限公司 | Data wire waves test clamping device |
CN206811191U (en) * | 2017-04-28 | 2017-12-29 | 昆山义成工具有限公司 | Electric drill chuck |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112325015A (en) * | 2020-11-25 | 2021-02-05 | 嘉兴迈思特管件制造有限公司 | Flange type joint for engineering machinery |
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Effective date of registration: 20230914 Address after: Building 43, No. 199 Hongwu Avenue, Tangqiao Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215600 Applicant after: Zhangjiagang Taiyuan Automotive Stamping Technology Co.,Ltd. Address before: No. 9 Hepan Road, Tangxia Town, Dongguan City, Guangdong Province, 523000, Oaks Industrial Park Applicant before: DONGGUAN ZHONGTAI JINGCHUANG PRECISION TECHNOLOGY CO.,LTD. |