CN205519736U - Bar hydraulic pressure rapid clamping device - Google Patents
Bar hydraulic pressure rapid clamping device Download PDFInfo
- Publication number
- CN205519736U CN205519736U CN201620335527.4U CN201620335527U CN205519736U CN 205519736 U CN205519736 U CN 205519736U CN 201620335527 U CN201620335527 U CN 201620335527U CN 205519736 U CN205519736 U CN 205519736U
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- CN
- China
- Prior art keywords
- chuck
- cylinder body
- piston
- hydraulic pressure
- interior
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- Expired - Fee Related
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Abstract
The utility model discloses a bar hydraulic pressure rapid clamping device, its characterized in that: rapid clamping device includes cylinder body, cavity, piston, chuck assembly mounting hole, chuck assembly, spring, and chuck assembly includes interior chuck, outer chuck, treats that the pressure bar material passes in following interior chuck, outer chuck and mounting hole cooperation, and be provided with the flange on the outer chuck, the flange lies in the wild card and faces left the end near spring one side, the cylinder body right -hand member is provided with right spacing arch on the cylinder body, be provided with the oiling chamber between the spacing arch in the right side and cylinder body and the piston, be provided with on the cylinder body with the oil inlet and the oil -out of oiling chamber intercommunication. The utility model discloses a hydraulic oil injects the oiling chamber into and drives the piston and move left, and drive the spring and move left with outer chuck this moment, and the chuck was towards being close to the motion of cylinder body the central axis orientation in the cooperation inclined plane that utilizes outer chuck and interior chuck drove, and what interior chuck core was placed in the realization treats that the clamp that the pressure bar expects is tight, vice versa.
Description
Technical field
This utility model relates to a kind of bar hydraulic pressure fast fixture, particularly relates to a kind of compact conformation, the bar hydraulic pressure fast fixture of clamping convenient disassembly.
Background technology
The problem that traditional mechanical gripping devices exists insufficient clamping force, it is applied to such as lathe clamping round bar, pipe etc. and clamping force is required bigger occasion, hydraulically operated fixture is considered for this, the substantial amounts of time that the main advantage utilizing hydraulically operated fixture is spent when being and can save clamping and loose unloading workpiece, space-constrained occasion when applicable processing placing part is compact and uses hand-operated clamping, but traditional hydraulic structure is relatively complicated.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of bar hydraulic pressure fast fixture, has compact conformation, the feature of clamping convenient disassembly.
nullFor solving above-mentioned technical problem，The technical solution of the utility model is: a kind of bar hydraulic pressure fast fixture，Its innovative point is: described fast fixture includes that central axis is horizontally disposed and the cylinder body of right-end openings、It is arranged on the cavity in described cylinder body、It is arranged in described cavity the piston near cylinder body right-hand member、The chuck assembly installing hole of central axis and cylinder body central axes it is provided with on described piston、It is arranged on the chuck assembly in described chuck assembly installing hole、It is arranged in described cavity and is against the spring on the left of cavity and between described chuck assembly，Described chuck assembly includes interior chuck、Coordinate with described interior chuck inclined-plane and be arranged on the outer chuck outside described interior chuck，Bar to be clamped passes from interior chuck，Described outer chuck coordinates with described installing hole，And it is provided with, on described outer chuck, the flange being connected with described outer chuck，Described lip diameter is positioned at wild card more than described outer diameter of chuck and described flange and faces left end near described spring side，Described spring and described piston are against the left end of this flange and the right-hand member of this flange respectively；It is protruding that described cylinder body upper cylinder body right-hand member is provided with right limit, is provided with oiling chamber, described cylinder body is provided with the oil-in and oil-out connected with described oiling chamber between described right limit projection and cylinder body and piston.
Preferably, described outer chuck and described installing hole interference fits.
Preferably, described flange is structure as a whole with described outer chuck.
Preferably, described right limit is protruding and described cylinder body is structure as a whole.
Preferably, in described chuck assembly in be provided with chuck pressing plate between chuck and outer chuck, described chuck pressing plate sunk screw is connected on described interior chuck.
Preferably, described right limit is protruding and is provided with, between described piston and between piston and cylinder body, the support ring and skeleton rubber oil sea sealed.
The utility model has the advantage of: this utility model injects oiling chamber by hydraulic oil and drives piston to left movement, spring and outer chuck is now driven to move to the left, in the cooperation inclined-plane utilizing outer chuck and interior chuck drives, chuck moves towards near cylinder body central axial direction, realizing being placed in the clamping of the bar to be clamped of interior chuck core, vice versa.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of this utility model a kind of bar hydraulic pressure fast fixture.
In figure: chuck, 7-outer chuck, 8-bar to be clamped, 9-flange, 10-right limit projection, 11-oiling chamber, 12-oil-in, 13-oil-out, 14-chuck pressing plate, 15-support ring, the skeleton rubber oil sea of 16-in 1-cylinder body, 2-cavity, 3-piston, 4-chuck assembly installing hole, 5-spring, 6-.
Detailed description of the invention
Bar hydraulic pressure fast fixture of the present utility model includes that central axis is horizontally disposed and the cylinder body 1 of right-end openings, the cavity 2 being arranged in cylinder body 1, is arranged in cavity 2 and is provided with central axis and the chuck assembly installing hole 4 of cylinder body 1 central axes, the chuck assembly being arranged in chuck assembly installing hole 4 on the piston 3 of cylinder body 1 right-hand member, piston 3, is arranged in cavity 2 spring 5 being against on the left of cavity 2 and between chuck assembly.Chuck assembly includes that interior chuck 6 coordinates with interior chuck 6 inclined-plane and be arranged on the outer chuck 7 outside interior chuck 6, and bar 8 to be clamped passes from interior chuck 6, and outer chuck 7 coordinates with installing hole.Being provided with the flange 9 being connected with outer chuck 7 on outer chuck 7, flange 9 diameter is positioned at outer chuck 7 left end is against the left end of this flange 9 and the right-hand member of this flange 9 near spring 5 side, spring 5 and piston 3 respectively more than outer chuck 7 diameter and flange 9.Cylinder body 1 upper cylinder body 1 right-hand member is provided with right limit projection 10, is provided with oiling chamber 11, cylinder body 1 is provided with the oil-in 12 and oil-out 13 connected with oiling chamber 11 between right limit protruding 10 and cylinder body 1 and piston 3.
Concrete action is as follows: injects oiling chamber 11 by hydraulic oil and drives piston 3 to left movement, now drive spring 5 and outer chuck 7 to left movement, in the cooperation inclined-plane utilizing outer chuck 7 and interior chuck 6 drives, chuck 6 moves towards near cylinder body 1 central axial direction, it is achieved be placed in the clamping of the bar to be clamped 8 of interior chuck 6 core.Otherwise, hydraulic oil oiling chamber 11 of refluxing out drives piston 3 to move right under the effect of spring 5, outer chuck 7 moves right, in the cooperation inclined-plane utilizing outer chuck 7 and interior chuck 6 drives, chuck 6 moves away from cylinder body 1 central axial direction, it is achieved be placed in the unclamping of bar to be clamped 8 of interior chuck 6 core.
Above-mentioned outer chuck 7 and installing hole interference fits, in order to increase bonding strength, flange 9 is structure as a whole with outer chuck 7.Preventing from causing revealing because there is junction to increase bonding strength, right limit protruding 10 is structure as a whole with cylinder body 1 simultaneously.Being provided with chuck pressing plate 14 between chuck 6 and outer chuck 7 in chuck assembly, chuck pressing plate 14 sunk screw is connected on interior chuck 6, utilizes sunk screw to adjust the relative position of chuck pressing plate 14 and interior chuck 6, thus during for adjusting clamping used by position angle.Prevent foreign material from invading cylinder body 1 inside to play sealing function, between right limit protruding 10 and piston 3 and be provided with support ring 15 and the skeleton rubber oil sea 16 of sealing between piston 3 and cylinder body 1.
These are only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (6)
- null1. a bar hydraulic pressure fast fixture，It is characterized in that: described fast fixture includes that central axis is horizontally disposed and the cylinder body of right-end openings、It is arranged on the cavity in described cylinder body、It is arranged in described cavity the piston near cylinder body right-hand member、The chuck assembly installing hole of central axis and cylinder body central axes it is provided with on described piston、It is arranged on the chuck assembly in described chuck assembly installing hole、It is arranged in described cavity and is against the spring on the left of cavity and between described chuck assembly，Described chuck assembly includes interior chuck、Coordinate with described interior chuck inclined-plane and be arranged on the outer chuck outside described interior chuck，Bar to be clamped passes from interior chuck，Described outer chuck coordinates with described installing hole，And it is provided with, on described outer chuck, the flange being connected with described outer chuck，Described lip diameter is positioned at wild card more than described outer diameter of chuck and described flange and faces left end near described spring side，Described spring and described piston are against the left end of this flange and the right-hand member of this flange respectively；It is protruding that described cylinder body upper cylinder body right-hand member is provided with right limit, is provided with oiling chamber, described cylinder body is provided with the oil-in and oil-out connected with described oiling chamber between described right limit projection and cylinder body and piston.
- 2. a kind of bar hydraulic pressure fast fixture as claimed in claim 1, it is characterised in that: described outer chuck and described installing hole interference fits.
- 3. a kind of bar hydraulic pressure fast fixture as claimed in claim 1, it is characterised in that: described flange is structure as a whole with described outer chuck.
- 4. bar hydraulic pressure fast fixture as claimed in claim 1 a kind of, it is characterised in that: described right limit is protruding and described cylinder body is structure as a whole.
- 5. a kind of bar hydraulic pressure fast fixture as claimed in claim 1, it is characterised in that: being provided with chuck pressing plate between chuck and outer chuck in described chuck assembly, described chuck pressing plate sunk screw is connected on described interior chuck.
- 6. bar hydraulic pressure fast fixture as claimed in claim 1 a kind of, it is characterised in that: described right limit is protruding and is provided with, between described piston and between piston and cylinder body, the support ring and skeleton rubber oil sea sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620335527.4U CN205519736U (en) | 2016-04-20 | 2016-04-20 | Bar hydraulic pressure rapid clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620335527.4U CN205519736U (en) | 2016-04-20 | 2016-04-20 | Bar hydraulic pressure rapid clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205519736U true CN205519736U (en) | 2016-08-31 |
Family
ID=56795988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620335527.4U Expired - Fee Related CN205519736U (en) | 2016-04-20 | 2016-04-20 | Bar hydraulic pressure rapid clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205519736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728769A (en) * | 2016-04-20 | 2016-07-06 | 车沛远 | Hydraulic quick-clamping device for bar material |
-
2016
- 2016-04-20 CN CN201620335527.4U patent/CN205519736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728769A (en) * | 2016-04-20 | 2016-07-06 | 车沛远 | Hydraulic quick-clamping device for bar material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160831 Termination date: 20180420 |