CN201815976U - Hydraulic vice - Google Patents
Hydraulic vice Download PDFInfo
- Publication number
- CN201815976U CN201815976U CN2010205741801U CN201020574180U CN201815976U CN 201815976 U CN201815976 U CN 201815976U CN 2010205741801 U CN2010205741801 U CN 2010205741801U CN 201020574180 U CN201020574180 U CN 201020574180U CN 201815976 U CN201815976 U CN 201815976U
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- China
- Prior art keywords
- sliding seat
- pedestal
- oil pressure
- cylinder body
- screw
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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.)
- Expired - Fee Related
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a hydraulic vice which comprises a base provided with a track, a fixed seat, a movable seat and a pressurizing device capable of pushing the movable seat; the fixed seat is fixedly connected with the base; the movable seat is arranged on the track in a sliding manner; the inner chamber of the movable seat is connected with a screw in the base; a workpiece holding area is formed between the movable seat and the fixed seat; a rotatable handle capable of controlling a screw rod set is arranged at an side end part of the base in the position opposite to the workpiece holding area; the screw rod set is positioned on the base through a positioning device and comprises a transmission screw rod and the pressurizing device; the pressurizing device is arranged at the side end part of the base in the position opposite to the workpiece holding area and is connected with the transmission screw rod, and comprises a cylinder body arranged at the rear end of the transmission screw rod; a piston, a pressurizing part and a pressurizing screw rod are assembled in the cylinder body; and a push part extending out of the cylinder body is arranged on one side of the piston and is connected with the transmission screw rod. The hydraulic vice is manufactured and assembled conveniently, has large clamping force, good stability and high precision, and is easy to operate.
Description
Technical field
The utility model belongs to mechanical field, particularly a kind of accurate oil pressure vice or parallel jaw.
Background technology
The existing working method of commonly using parallel jaw is: during with the handle rotary screw rod; thereby driving nut axially moves; movable vice body just can drive moving jaw and close up or open; thereby clamp or loosen workpiece; the chucking power of jaw is all from screw mandrel, clamping work pieces need the staff very firmly just can, jaw clamps the back because the power thrusts of screw can be upturned; make the piece-holder instability, machining accuracy is unreliable.
And the existing oil pressure vice of commonly using includes an oil gear, be provided with one in this cylinder body and protrude out this cylinder body to promote the piston of sliding seat, this piston one side is provided with two oil sealings, and ccontaining fluid between this two oil sealing, the shortcoming that leakage of oil is arranged because of oil hydraulic cylinder, so pressure can not be consistent always, fluid has the shortcoming of temperature difference of height to make pressure have no idea stable and influences operating accuracy, when holding workpiece arrived high pressure, handle will change more than five circles, and the workpiece time is long, so this oil-hydraulic cylinder is being made and is being assembled all comparatively complexity, the chucking power instability, precision is unreliable, and the working time is long.
The utility model content
At above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of oil pressure vice, it can effectively overcome the existing parallel jaw clamping instability of commonly using, the machining accuracy instability, intensity of workers is big and the oil pressure vice is made and assembling is complicated and the problem of clamp pressure decay.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of oil pressure vice, comprise that one has the pedestal of track, one holder and a sliding seat, described holder is fixedlyed connected with described pedestal, described sliding seat is slidably disposed on the track of described pedestal, and the described sliding seat inner chamber screw interior with being located at pedestal is connected, form a workpiece rest area between described sliding seat and the holder, be provided with one rotatable and control the handle of a screw mandrel group on the described pedestal in the side end of relative workpiece rest area, described screw mandrel group is positioned on the pedestal by a location device, described screw mandrel group comprises drive lead screw and supercharging device, described supercharging device is located at the side end of relative workpiece rest area on the pedestal and is connected with drive lead screw, described supercharging device comprises the cylinder body of the hollow of being located at the drive lead screw rear end, assembling one piston in the described cylinder body, an one supercharging portion and a supercharging screw mandrel, described piston one side is provided with a pushed section of stretching out cylinder body, and described pushed section is connected with drive lead screw.
Preferably, adopt conical surface anti-loose structure to be connected between described sliding seat and the screw.
Preferably, described sliding seat inner chamber front portion is provided with an inclined-plane, and described inclined-plane is provided with a sphere recess, in the described sphere recess semi-round ball is housed, and the plane of described semi-round ball is sticked on the inclined-plane that described screw front end forms.
Preferably, described cylinder body opposite side is provided with the minor leading screw and the nut that can promote described supercharging portion.
Preferably, described cylinder body outside is provided with an alignment pin, an anti-DNA releaxed circular DNA and a sleeve retainer, and described anti-DNA releaxed circular DNA is provided with locating slot that can engage with described alignment pin and the retainer that can cooperate with the locking groove on the sleeve retainer.
Preferably, the width of jaw of described oil pressure vice is 50mm～360mm.
Technique scheme has following beneficial effect: this oil pressure vice structure by supercharging portion to plunger booster, this supercharging portion is provided with a fine pitch screw structure, make clamping laborsaving fast, adopt conical surface anti-loose structure simultaneously between sliding seat and the screw, be provided with an oblique angle in the sliding seat interior forward end, front end also is provided with an oblique angle on screw, a semicircle spheroid is housed between two inclined-planes, can eliminate the mismachining tolerance on inclined-plane, this structure can make jaw in clamping process, can not be upturned to cause clamping instability, the insecure problem of precision.Compared with prior art, this oil pressure vice structure is simple, and pressure stability is reliable, and clamping stability is good, the precision height, and rapid operation is convenient to make and assembling, reliability, precision height, ease for operation.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation of the utility model one preferred embodiment;
Fig. 2 is the structural representation of supercharging device shown in Fig. 1;
Reference numeral shown in the above figure and indicated assembly thereof are respectively: 1 pedestal, 2 holders, 3 jaws, 4 workpiece, 5 drive lead screws, 6: semi-round ball, 7 screws, 8 sliding seat, 9 supercharging devices, 10 handles, 21 pistons, 22 socket cover, 23 supercharging rollers, 24 pressure jacking blocks, 25 roller carriages, 26 spring lock blocks, 27 anti-DNA releaxed circular DNAs, 28 alignment pins, 29 6 side's blocks, 30 cylinder bodies, 31 primary nuts, 32 minor leading screws, 33 sleeve retainers.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.
As Fig. 1, shown in 2, this precision oil pressure vice includes a pedestal 1 that is provided with track, this pedestal is provided with a holder 2 and a sliding seat 8, this holder 2 is positioned at this pedestal 1 one sides, this sliding seat 8 is positioned at this pedestal 1 opposite side and can moves along this track, a workpiece rest area that can provide workpiece 4 to place is provided between this holder 2 and this sliding seat 8, this precision oil pressure vice is provided with leader 10 in the pedestal 1 of these sliding seat 8 sides, this handle 10 is connected on the pedestal 1 by a supercharging device 9, assembling one piston 21 in this supercharging device 9, these piston 21 1 sides are provided with a pushed section of stretching out cylinder body, the pushed section of this piston 21 is connected with drive lead screw 5, rotating handles 10, supercharging device 9 rotates simultaneously with drive lead screw 5, sliding seat 8 moves quickly into workpiece 4 places with the big helical pitch of drive lead screw 5, after sliding seat 8 and workpiece 4 are nuzzled, drive lead screw 5 supercharging device 9 that stops operating is rotated further, promote supercharging portion by the little helical pitch screw mandrel in the supercharging device 9 32 this moment increases pressure to drive lead screw 5, makes sliding seat with the 4000kgf clamping work pieces.
The supercharging device 9 that this precision oil pressure vice is connected with handle 10, be mobile sliding seat 8 clamping work pieces 4 and the device that increases clamping force, this supercharging device 9 includes the cylinder body 30 of a hollow, cylinder body 30 1 sides are equipped with a piston 21, these piston 21 1 sides are provided with a pushed section and stretch out cylinder body 30 and be connected with drive lead screw 5, cylinder body 30 opposite sides are little helical pitch screw mandrel 32 and the nuts 31 that promote supercharging portion, because supercharging portion adopts little helical pitch screw mandrel to promote, so it is very laborsaving when swing handle 10, this supercharging device pressure only needs 10 liang of circles of swing handle from 0～4000kgf, reduced the used time of clamping work pieces, there is an alignment pin 28 the pressurized cylinder outside of this supercharging device 9, locating slot on the anti-DNA releaxed circular DNA 27 is stuck on the alignment pin 28, anti-DNA releaxed circular DNA can only be moved forward and backward, behind clamping work pieces 4, pull back anti-DNA releaxed circular DNA 27, the retainer of projection on the anti-DNA releaxed circular DNA 27 is inserted in the locking groove of sleeve 33, at this moment all screw mandrels and handle all are lockable, chucking power remain stablize unattenuated.To prevent the locking groove of DNA releaxed circular DNA 27 release sleeves 33 after workpiece machines forward, and rotate counterclockwise 10 liang of circles of handle and shed supercharging device pressure, and continue to rotate counterclockwise handle 10 drive lead screws 5 and begin to rotate, and sliding seat 8 be moved backward unclamp workpiece 4.
This precision oil pressure vice sliding seat 8 adopts conical surface anti-loose structure with being connected of screw 7, an inclined-plane has been done in the interior front portion of sliding seat 8, one sphere recess is arranged on this inclined-plane, one semi-round ball 6 is housed in the recess, the plane of semi-round ball 6 is attached on the inclined-plane of screw 7, so just eliminated the mismachining tolerance on two inclined-planes, increased the locking reliability of the conical surface, when sliding seat clamping work pieces 4, sliding seat 8 is subjected to forward and downward power, sliding seat 8 can be upturned, make workpiece 4 clampings reliable and stable, machining accuracy is stable.
In sum, the accurate oil pressure vice of the utility model is by the design of improvement supercharging device 9, reach the increase chucking power, chucking power is stablized unattenuated, the clamping work pieces time spent is few, increase work efficiency, reduce the purpose of member and simplified structure, and then the convenience that promotes manufacturing and assemble, and can reduce cost: in addition, the anti-DNA releaxed circular DNA 27 of these supercharging cylinder body 30 outsides and the design of sleeve 33, can prevent gets loose causes clamping unsettled situation generation: sliding seat 8 designs with the conical surface anti-loose structure that screw 7 adopts in addition, reach and make piece-holder reliable and stable, the purpose that machining accuracy is stable.The accurate oil pressure vice of the utility model is in conjunction with above-mentioned plurality of advantages, and effective shortcoming of commonly using parallel jaw and oil pressure vice of improving, and it can be utilized widely.
More than a kind of oil pressure vice that the utility model embodiment is provided be described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; part in specific embodiments and applications all can change; in sum; this description should not be construed as restriction of the present utility model, and all any changes of being made according to the utility model design philosophy are all within protection domain of the present utility model.
Claims (6)
1. oil pressure vice, comprise that one has the pedestal of track, one holder and a sliding seat, described holder is fixedlyed connected with described pedestal, described sliding seat is slidably disposed on the track of described pedestal, and the described sliding seat inner chamber screw interior with being located at pedestal is connected, form a workpiece rest area between described sliding seat and the holder, be provided with one rotatable and control the handle of a screw mandrel group on the described pedestal in the side end of relative workpiece rest area, described screw mandrel group is positioned on the pedestal by a location device, described screw mandrel group comprises drive lead screw and supercharging device, it is characterized in that: described supercharging device is located at the side end of relative workpiece rest area on the pedestal and is connected with drive lead screw, described supercharging device comprises the cylinder body of the hollow of being located at the drive lead screw rear end, assembling one piston in the described cylinder body, an one supercharging portion and a supercharging screw mandrel, described piston one side is provided with a pushed section of stretching out cylinder body, and described pushed section is connected with drive lead screw.
2. oil pressure vice according to claim 1 is characterized in that, adopts conical surface anti-loose structure to be connected between described sliding seat and the screw.
3. oil pressure vice according to claim 1 and 2, it is characterized in that described sliding seat inner chamber front portion is provided with an inclined-plane, described inclined-plane is provided with a sphere recess, in the described sphere recess semi-round ball is housed, the plane of described semi-round ball is sticked on the inclined-plane that described screw front end forms.
4. oil pressure vice according to claim 1 is characterized in that, described cylinder body opposite side is provided with the minor leading screw and the nut that can promote described supercharging portion.
5. oil pressure vice according to claim 1, it is characterized in that, described cylinder body outside is provided with an alignment pin, an anti-DNA releaxed circular DNA and a sleeve retainer, and described anti-DNA releaxed circular DNA is provided with locating slot that can engage with described alignment pin and the retainer that can cooperate with the locking groove on the sleeve retainer.
6. oil pressure vice according to claim 1 is characterized in that, the width of jaw of described oil pressure vice is 50mm～360mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205741801U CN201815976U (en) | 2010-10-25 | 2010-10-25 | Hydraulic vice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205741801U CN201815976U (en) | 2010-10-25 | 2010-10-25 | Hydraulic vice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201815976U true CN201815976U (en) | 2011-05-04 |
Family
ID=43913944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205741801U Expired - Fee Related CN201815976U (en) | 2010-10-25 | 2010-10-25 | Hydraulic vice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201815976U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209889A (en) * | 2013-06-04 | 2014-12-17 | 加特可株式会社 | Holding device for workpiece |
| TWI485030B (en) * | 2013-02-27 | 2015-05-21 | ||
| TWI562860B (en) * | 2015-07-03 | 2016-12-21 | ||
| CN106425907A (en) * | 2015-08-10 | 2017-02-22 | 恒佶工业有限公司 | Double-clip force multiplying type jaw vice structure |
| TWI641450B (en) * | 2018-02-06 | 2018-11-21 | 王文豐 | Vise improved structure |
-
2010
- 2010-10-25 CN CN2010205741801U patent/CN201815976U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI485030B (en) * | 2013-02-27 | 2015-05-21 | ||
| CN104209889A (en) * | 2013-06-04 | 2014-12-17 | 加特可株式会社 | Holding device for workpiece |
| CN104209889B (en) * | 2013-06-04 | 2016-06-01 | 加特可株式会社 | The grasping device of workpiece |
| TWI562860B (en) * | 2015-07-03 | 2016-12-21 | ||
| CN106425907A (en) * | 2015-08-10 | 2017-02-22 | 恒佶工业有限公司 | Double-clip force multiplying type jaw vice structure |
| TWI641450B (en) * | 2018-02-06 | 2018-11-21 | 王文豐 | Vise improved structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20111025 |