CN207508765U - A kind of hydraulically operated fixture - Google Patents
A kind of hydraulically operated fixture Download PDFInfo
- Publication number
- CN207508765U CN207508765U CN201721359142.2U CN201721359142U CN207508765U CN 207508765 U CN207508765 U CN 207508765U CN 201721359142 U CN201721359142 U CN 201721359142U CN 207508765 U CN207508765 U CN 207508765U
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- CN
- China
- Prior art keywords
- collet
- hydraulic cylinder
- hydraulically operated
- operated fixture
- screw rod
- 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.)
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Abstract
The utility model is related to a kind of hydraulically operated fixtures, include first hydraulic cylinder, second hydraulic cylinder, flange, screw rod, nut, collet sleeve, collet and spring, flange is connected on the right end of first hydraulic cylinder and the left end of second hydraulic cylinder, flange is equipped with screw rod, screw rod both ends are screwed with matched nut, and pass through two end nut of screw rod and collet sleeve is pressed between first hydraulic cylinder and second hydraulic cylinder, collet is set in collet sleeve, collet includes upper grip, lower collet, left collet and right collet, upper grip upper end and the lower end of lower collet match respectively with the upper endoporus of collet sleeve and lower endoporus, the left end of the right end of left collet and right collet amplifies contact of incline plane with upper grip and lower collet by power.The utility model is simple in structure, small, and energy self-centering largely improves the working efficiency of fixture, while have preferable stability and safety.
Description
Technical field
The utility model is related to a kind of hydraulically operated fixtures.
Background technology
Hydraulically operated fixture is exactly machine components to be replaced to realize automatic positioning, bearing and the folder clamped to workpiece with Hydraulic Elements
Tool.Especially there is wide application, such as in oil drilling in oil drilling, automobile processing and other fields, hydraulically operated fixture and drilling machine
The motor coordinated movement of various economic factors, realize and the actions such as docking between drilling rod and disengaging, also need to that drilling tool can be clamped when necessary, prevent from boring
Tool sliding.At present, it is general to clamp, unclamp and realized by hydraulic pressure in the more hydraulically operated fixture of utilization, led to by both sides hydraulic cylinder
Enter high pressure oil so that fixture follows piston to be collapsed to center, clamp, and can then fixture be unclamped by changing its logical oily direction, so
And the fixture of this structure is easily influenced by oil pressure variation, when occurring powering off when abnormal conditions, fixture reliability is not high,
There are huge security risks.
Utility model content
In view of the above-mentioned problems, technical solution provided by the utility model is a kind of hydraulically operated fixture.
Specific technical solution is realized as follows：A kind of hydraulically operated fixture includes first hydraulic cylinder, second hydraulic cylinder, flange, spiral shell
Flange is connected on bar, nut, collet sleeve, collet and spring, the right end of the first hydraulic cylinder and the left end of second hydraulic cylinder,
The flange is equipped with screw rod, and the screw rod both ends are screwed with matched nut, and pass through two end nut of screw rod by collet casing pressure
Tightly between first hydraulic cylinder and second hydraulic cylinder, the collet is set in collet sleeve, and the collet includes upper grip, lower folder
The lower end of head, left collet and right collet, the upper grip upper end and lower collet respectively with the upper endoporus of collet sleeve and lower endoporus phase
Cooperation, and arc groove, the right end of the left collet and a left side for right collet are provided at the lower end of upper grip and the upper end of lower collet
End and upper grip and lower collet amplify contact of incline plane by power, and the right end of left collet left end and right collet is by screw thread respectively with the
The piston rod of one hydraulic cylinder is connected with the piston rod of second hydraulic cylinder, the left collet and first hydraulic cylinder, right collet and second
Spring is equipped between hydraulic cylinder.
Preferably, the first hydraulic cylinder upper end is equipped with the first connector, and its left end is equipped with the second connector, wherein first connects
Head can tap into oil pipe, and the second connector can pick out oil pipe.
Preferably, the second hydraulic cylinder upper end is equipped with third connector, and its right end is equipped with the 4th connector, and wherein third connects
Head can tap into oil pipe, and the 4th connector can pick out oil pipe.
Preferably, the collet sleeve outer surface is provided with rectangular channel.
Preferably, it is provided with hole on the rectangular channel.
Preferably, stifled pin is equipped in the upper and lower endoporus of the collet sleeve.
Preferably, the power amplification inclination angle of inclined plane is 8~12 °.
Preferably, the spring can be butterfly spring.
The hydraulically operated fixture of the utility model, it is simple in structure, small, it is clamped by spring, by action of hydraulic force power
It unclamps, and energy self-centering, largely improves the working efficiency of fixture, while when power-off occurs when abnormal conditions,
The hydraulically operated fixture in clamped condition, has preferable stability and safety always.
Description of the drawings
Fig. 1 is the whole schematic cross-sectional view of the utility model embodiment.
Fig. 2 is the integral outer structure diagram of the utility model embodiment.
Label in attached drawing for：1- first hydraulic cylinders, 2- second hydraulic cylinders, 3- flanges, 4- screw rods, 5- nuts, 6- collets
Set, 7- collets, 8- springs, the piston rod of 10- first hydraulic cylinders, the first connectors of 11-, the second connectors of 12-, 20- second hydraulic cylinders
Piston rod, 21- third connectors, the 4th connectors of 22-, 61- rectangular channels, 62- blocks up pin, 71- upper grips, collet under 72-, and 73- is left
Collet, the right collets of 74-, 79- power amplification inclined-plane, 611- holes.
Specific embodiment
To the utility model, preferred technical solution is described further with reference to the accompanying drawings and examples.
Embodiment, as shown in Fig. 1~2：A kind of hydraulically operated fixture, include first hydraulic cylinder 1, second hydraulic cylinder 2, flange 3,
It is solid on screw rod 4, nut 5, collet sleeve 6, collet 7 and spring 8, the right end of the first hydraulic cylinder 1 and the left end of second hydraulic cylinder 2
Flange 3 is connected to, the flange 3 is equipped with screw rod 4, and 4 both ends of screw rod are screwed with matched nut 5, and pass through 4 both ends of screw rod
Collet sleeve 6 is pressed between first hydraulic cylinder 1 and second hydraulic cylinder 2 by nut 5, and the collet 7 is set in collet sleeve 6, described
Collet 7 includes upper grip 71, lower collet 72, left collet 73 and right collet 74,71 upper end of upper grip and lower collet 72
Lower end matches respectively with the upper endoporus of collet sleeve 6 and lower endoporus, and equal at the lower end of upper grip 71 and the upper end of lower collet 72
Arc groove, the right end of the left collet 73 and the left end of right collet 74 is provided with upper grip 71 and lower collet 72 by power to amplify tiltedly
Face 79 contacts, the right end of left 73 left end of collet and right collet 74 by screw thread respectively with the piston rod of first hydraulic cylinder 10 and second
The piston rod 20 of hydraulic cylinder connects, and is equipped between the left collet 73 and first hydraulic cylinder 1, right collet 74 and second hydraulic cylinder 2
Spring 8.
Preferably, 1 upper end of first hydraulic cylinder is equipped with the first connector 11, and its left end is equipped with the second connector 12, wherein
First connector 11 can tap into oil pipe, and the second connector 12 can pick out oil pipe.
Preferably, 2 upper end of second hydraulic cylinder is equipped with third connector 21, and its right end is equipped with the 4th connector 22, wherein
Third connector can tap into oil pipe, and the 4th connector can pick out oil pipe.
Preferably, 6 outer surface of collet sleeve is provided with rectangular channel 61.
Preferably, it is provided with hole 611 on the rectangular channel 61.
Preferably, stifled pin 62 is equipped in the upper and lower endoporus of the collet sleeve 6.
Preferably, power amplification 79 inclination angle of inclined-plane is 8~12 °.
It is further preferred that power amplification 79 inclination angle of inclined-plane is 9 °.
Preferably, the spring 8 can be butterfly spring.
Specifically, when initial, under the action of 8 elastic force of spring, left collet 73 and right collet 74 are drawn close to centre, pass through power
Amplify inclined-plane 79 and transmit pressure to upper grip 71 and lower collet 72 so that upper grip and lower collet are also drawn close, and pass through to centre
The arc groove of the lower end of upper grip 71 and lower 72 upper end of collet is by Workpiece clamping；When needing to unclamp workpiece, in first hydraulic cylinder 1
The first connector 11 and second hydraulic cylinder 2 on third connector 21 simultaneously be passed through hydraulic oil, action of hydraulic force lower piston rod to
Rodless cavity moves, and the collet being connect at this time with piston rod is also moved to rodless cavity direction therewith, left and right collet and upper and lower collet
Contact of incline plane part reduce, upper and lower collet unclamps workpiece, can be to 8 pretightning force of spring by the nut 5 on adjusting screw rod 4
Size is adjusted, while the abrasion between the lower end of collet 71 and the arc groove and workpiece of lower 72 upper end of collet can be lacked
Amount compensation.
Embodiment described above only expresses the preferred embodiment of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. a kind of hydraulically operated fixture, it is characterised in that：Include first hydraulic cylinder, second hydraulic cylinder, flange, screw rod, nut, collet
Set, collet and spring are connected with flange on the right end of the first hydraulic cylinder and the left end of second hydraulic cylinder, are set on the flange
There is screw rod, the screw rod both ends are screwed with matched nut, and pass through two end nut of screw rod and collet sleeve is pressed on the first hydraulic pressure
Between cylinder and second hydraulic cylinder, the collet be set on collet sleeve in, the collet include upper grip, lower collet, left collet and
The lower end of right collet, the upper grip upper end and lower collet matches, and upper folder with the upper endoporus of collet sleeve and lower endoporus respectively
Be provided with arc groove at the lower end of head and the upper end of lower collet, the right end of the left collet and the left end of right collet and upper grip and
Lower collet amplifies contact of incline plane by power, the right end of left collet left end and right collet by screw thread respectively with the work of first hydraulic cylinder
Stopper rod is connected with the piston rod of second hydraulic cylinder, is set between the left collet and first hydraulic cylinder, right collet and second hydraulic cylinder
There is spring.
2. hydraulically operated fixture according to claim 1, it is characterised in that：The first hydraulic cylinder upper end is equipped with the first connector,
And its left end is equipped with the second connector.
3. hydraulically operated fixture according to claim 1, it is characterised in that：The second hydraulic cylinder upper end is equipped with third connector,
And its right end is equipped with the 4th connector.
4. hydraulically operated fixture according to claim 1, it is characterised in that：The collet sleeve outer surface is provided with rectangular channel.
5. hydraulically operated fixture according to claim 4, it is characterised in that：Hole is provided on the rectangular channel.
6. hydraulically operated fixture according to claim 1, it is characterised in that：Stifled pin is equipped in the upper and lower endoporus of the collet sleeve.
7. hydraulically operated fixture according to claim 1, it is characterised in that：The power amplification inclination angle of inclined plane is 8~12 °.
8. hydraulically operated fixture according to claim 1, it is characterised in that：The spring is butterfly spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359142.2U CN207508765U (en) | 2017-10-20 | 2017-10-20 | A kind of hydraulically operated fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359142.2U CN207508765U (en) | 2017-10-20 | 2017-10-20 | A kind of hydraulically operated fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207508765U true CN207508765U (en) | 2018-06-19 |
Family
ID=62534891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721359142.2U Expired - Fee Related CN207508765U (en) | 2017-10-20 | 2017-10-20 | A kind of hydraulically operated fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207508765U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972324A (en) * | 2018-08-16 | 2018-12-11 | 大连龙飞科技有限公司 | Feed device |
| CN109227287A (en) * | 2018-09-11 | 2019-01-18 | 刘晏君 | A kind of microspecimen polished machine |
| CN110565642A (en) * | 2019-08-29 | 2019-12-13 | 中国一冶集团有限公司 | Pile pulling hydraulic chuck |
| CN112059666A (en) * | 2020-08-07 | 2020-12-11 | 温州职业技术学院 | Mechanical automatic machining device using shape self-adaptive clamping tool |
-
2017
- 2017-10-20 CN CN201721359142.2U patent/CN207508765U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972324A (en) * | 2018-08-16 | 2018-12-11 | 大连龙飞科技有限公司 | Feed device |
| CN109227287A (en) * | 2018-09-11 | 2019-01-18 | 刘晏君 | A kind of microspecimen polished machine |
| CN110565642A (en) * | 2019-08-29 | 2019-12-13 | 中国一冶集团有限公司 | Pile pulling hydraulic chuck |
| CN112059666A (en) * | 2020-08-07 | 2020-12-11 | 温州职业技术学院 | Mechanical automatic machining device using shape self-adaptive clamping tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20181020 |