CN207013818U - A kind of high precision hobbing floating clamp - Google Patents
A kind of high precision hobbing floating clamp Download PDFInfo
- Publication number
- CN207013818U CN207013818U CN201720970754.9U CN201720970754U CN207013818U CN 207013818 U CN207013818 U CN 207013818U CN 201720970754 U CN201720970754 U CN 201720970754U CN 207013818 U CN207013818 U CN 207013818U
- Authority
- CN
- China
- Prior art keywords
- floating clamp
- clamp body
- mandrel
- venthole
- high precision
- 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.)
- Active
Links
Landscapes
- Gripping On Spindles (AREA)
Abstract
A kind of high precision hobbing floating clamp is the utility model is related to, axle sleeve is mounted in left part in floating clamp body, and mandrel is mounted in right part in floating clamp body, and axle sleeve is connected in mandrel；Axle sleeve left part center is equiped with hollow draw-bar, the top endoporus middle part for being installed in floating clamp body, and top left part is fastened on floating clamp body by axle nail；Three groups of slotted eyes are laid with mandrel right part circumference, one group of voussoir are equiped with every group of slotted eye, and three groups of voussoirs can radially be locked by ring gauge；Ring gauge is fastened on the right top of floating clamp body by blind flange.Top axial centre is provided with passage, and top right-hand member is provided with the radial direction through hole to be connected with passage, and mandrel, which is provided with, tilts venthole a, and floating clamp body is provided with the inclination venthole b that can be connected with tilting venthole a.The utility model ensures that workpiece axial line is consistent with lathe dividing spindle and tailstock center axial line, while is outwards rinsed inside fixture using high pressure cleaning gas, it is ensured that the whole die cavity cleaning of mandrel.
Description
Technical field：
Field of fixtures is the utility model is related to, more particularly to a kind of high precision hobbing floating clamp.
Background technology：
Gear hobbing Product Precision requirement at present is universal all very high, and process difficulty is larger.External tooth gear hobbing required precision reaches 5
~6 grades of levels, and process is easily deformed, and is especially faced a severe test for jig Design, and existing gear-hobbing clamp is
Nut compression type structure, in hobbing process, it has been found that existing fixture has following defect：Because existing fixture uses axle sleeve
The positioning method of class, positioning precision is not high, eccentric situation easily occurs；Nut compression type structure need adopt screw up with a wrench or
Nut is unclamped, is wasted time and energy, clamping efficiency is low.To ensure workpiece axial line and lathe dividing spindle and tailstock center axial line one
Cause.Ensure that each Workpiece Machining Accuracy reaches 5 grades (GB10095-2001) in batch machining, it is necessary to a kind of high accuracy rolling of design
Tooth floating clamp.
Utility model content：
The purpose of this utility model is in view of the deficiencies of the prior art, there is provided a kind of high precision hobbing floating clamp,
Ensure that workpiece axial line is consistent with lathe dividing spindle and tailstock center axial line, while using high pressure cleaning gas inside fixture
Outwards rinse, it is ensured that the whole die cavity cleaning of mandrel.
Technology solution of the present utility model is as follows：
A kind of high precision hobbing floating clamp, including floating clamp body, axle sleeve, mandrel and top, the axle sleeve is arranged on
Left part in floating clamp body, mandrel is arranged on right part in floating clamp body, and axle sleeve is connected in mandrel；In the axle sleeve left part
The heart is equiped with hollow draw-bar, described top in axle sleeve and mandrel, and in the middle part of the top endoporus for being installed in floating clamp body, and
Top left part is fastened on floating clamp body by axle nail；Three groups of slotted eyes, every group of groove are laid with the mandrel right part circumference
Coordinate in hole and be equiped with one group of voussoir, and three groups of voussoirs can radially be locked by ring gauge；The ring gauge is fastened by blind flange
On the right top of floating clamp body, and blind flange is fixed by screws in the right side of floating clamp body.
The top axial centre is provided with passage, and top right-hand member is radially provided with to be led to the radial direction that passage connects
Hole, the mandrel, which is provided with, tilts venthole a, and floating clamp body tilts provided with what can be connected with inclination venthole a
Stomata b, and inclination venthole a, inclination venthole b can discharge the high pressure draught that the radial direction through hole is discharged.
Preferably, the axle nail is followed closely using tack tightening axle.
Preferably, being equiped with the floating clamp body can be such that mandrel is moved left and right in the endoporus of floating clamp body
But the tack holding screw that can not be rotated.
Preferably, the voussoir frictional fit is arranged in slotted eye, and voussoir is provided with annular wedge surface a, the ring gauge
Inside is provided with 15 ° of annular wedge surface b, and annular wedge surface b is engaged with annular wedge surface a.
Preferably, the mandrel right-hand member seals with being provided with O-ring seal at blind flange mated position.
Preferably, the floating clamp body left end is arranged on indexing shaft flange using 4 holding screws, ensure whole
Floating clamp high accuracy install.
Can be to floating preferably, being uniformly equiped with four groups between the floating clamp body and indexing shaft flange outer face
Collet body carries out the socket cap screw a of radially micro adjustment.
Preferably, the hollow part of the passage face hollow draw-bar, and the axial line of passage and hollow draw-bar
Axial line is collinear.
Preferably, being passed through gases at high pressure in the pull bar, gases at high pressure enter in top, then are led to by top radial direction
Hole, from the hole of mandrel right-hand member, dirt is taken away in discharge to a high velocity air part, and another part of high velocity air is by tilting venthole a
Radially discharged with venthole b is tilted, it is ensured that the whole die cavity cleaning of mandrel.
The beneficial effects of the utility model are：
Three groups of slotted eyes are laid with the utility model mandrel right part circumference, coordinates in every group of slotted eye and is equiped with one group of wedge
Block, and three groups of voussoirs can radially be locked by ring gauge, halving precision is ± 5 ° in trisection slotted eye in mandrel, and slotted eye is high, wide
Precision is ± 0.1, and voussoir frictional fit is arranged in slotted eye, and voussoir is provided with annular wedge surface a, is provided with inside the ring gauge
15 ° of annular wedge surface b, and annular wedge surface b is engaged with annular wedge surface a, ensures that voussoir passes in and out flexibly certainly in the slotted eye of mandrel
Such as, without any damping.Under the effect of high-precision ring gauge, the horizontal trace movement of mandrel, voussoir follows at once makees radial gripping movement,
Thoroughly overcome the defect of the clamp Low Response of conventional other forms, this fixture clamp precision reaches micron order.
The utility model fixture is high-accuracy clamp, and floating retaining part can't permit some dirt spots.This fixture uses
High pressure cleaning gas is outwards rinsed inside the fixture, and due to the pull bar of revolution at a high speed oil cylinder being connected on axle sleeve, center is empty
, computer program control is lower to open air valve, and gases at high pressure are entered top by pull bar, then pass through top radial direction through hole, high
A fast air-flow part takes away dirt from the discharge of the hole of mandrel right-hand member, and another part of high velocity air is by tilting venthole a and inclining
Oblique venthole b is radially discharged, it is ensured that the whole die cavity cleaning of mandrel.Whenever processing a workpiece, after workpiece is extracted, air valve is immediately
Open, high velocity air sprays, cleaned and stopped immediately from inside to outside, reinstalls workpiece and carries out new round processing, without any confusion
Ground is repeated.
Brief description of the drawings：
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Symbol description in figure：1-floating clamp body；101-tilt venthole b；2-socket cap screw a；3—
Axle sleeve；4-mandrel；401-tilt venthole a；5-socket cap screw b；6-holding screw；7-axle is followed closely；8-top
Point；801-passage；802-radial direction through hole；9-tack holding screw；10-blind flange；11-ring gauge；1101-ring wedge
Face b；12-voussoir；1201-annular wedge surface a；13-O-ring seal；14-workpiece；15-hollow draw-bar.
Embodiment：
Embodiment, see accompanying drawing 1, a kind of high precision hobbing floating clamp, including floating clamp body 1, axle sleeve 3, mandrel 4 and top
Point 8, the axle sleeve 3 are arranged on left part in floating clamp body 1, and mandrel 4 is arranged on right part in floating clamp body 1, and the clamping of axle sleeve 3
In mandrel 4；The left part center of axle sleeve 3 is equiped with hollow draw-bar 15, and described top 8 in axle sleeve and mandrel 4, and top
8 are installed in the middle part of the endoporus of floating clamp body 1, and top 8 left part is fastened on floating clamp body by axle nail 7；Axle nail 7 uses
M6X25 tack tightenings axle is followed closely.
Being equiped with the floating clamp body 1 can be such that mandrel 4 is moved left and right in the endoporus of floating clamp body 1 but can not
The tack holding screw 9 of rotation.In order to prevent mandrel 4 from arbitrarily being rotated in the hole of floating clamp body 1, using a M8X25 tack
Holding screw 9 is fixed, and ensures that mandrel 4 is moved left and right but can not rotated in the endoporus of floating clamp body 1.
Three groups of slotted eyes are laid with the right part circumference of mandrel 4, coordinates in every group of slotted eye and is equiped with one group of voussoir 12, and
Three groups of voussoirs 12 can radially be locked by ring gauge 11；The ring gauge 11 is fastened on the right side of floating clamp body 1 by blind flange 10
Top, and blind flange 10 is fixed on the right side of floating clamp body 1 by 6 M5X25 socket cap screws b5, so forms
One compact-sized, the good clamp body of rigidity.
The top axial centre is provided with passage 801, and top right-hand member is radially provided with the footpath to be connected with passage
To through hole 802, the hollow part of the passage face hollow draw-bar, and the axial line of passage and the axial line of hollow draw-bar are same
Line；The mandrel, which is provided with, tilts venthole a401, and floating clamp body is provided with the inclination that can be connected with tilting venthole a
Venthole b101, and inclination venthole a, inclination venthole b can discharge the high pressure draught that the radial direction through hole is discharged.
The frictional fit of voussoir 12 is arranged in slotted eye, and voussoir 12 is provided with annular wedge surface a1201, in the ring gauge
Portion is provided with 15 ° of annular wedge surface b1101, and annular wedge surface b is engaged with annular wedge surface a.
The right-hand member of mandrel 4 at the mated position of blind flange 10 with usingO-ring seal 13 seal.
To prevent that swarf enters in the space between ring gauge 11 and voussoir 12 in gear hobbing process.
The left end of floating clamp body 1 is arranged on indexing shaft flange using 4 M10X25 holding screws 6, is ensured whole
Floating clamp high accuracy install.
Uniformly being equiped with four groups between the floating clamp body 1 and indexing shaft flange outer face can be to floating clamp body 1
Carry out the M8X25 socket cap screws a2 of radially micro adjustment.Radially micro adjustment is carried out to floating clamp body 1, by
Amesdial inspection.The external footpath circular runout of floating clamp reaches in 1 μ, just progressively tightens up 4 M8X25 socket cap screws
A2, whole floating clamp is firmly arranged on the indexing shaft flange outer face of lathe.
Operation principle of the present utility model is：Before workpiece 14 is not installed, high pressure cleaning gas under Air Valve Control from it is interior to
Outer cleaning jig endoporus, cleaning are finished, and unprocessed workpiece 14 is inserted in fixture, top 8 positioning workpiece left end；Tail stock for machine tool top
Sharp top tight workpiece right-hand member again.Axle sleeve 3 is moved to the left in the case where the hollow draw-bar 15 of lathe acts on, and hollow draw-bar 15 also drives mandrel 4
It is moved to the left, the voussoir 12 in three in mandrel 4 decile slotted eye, which follows, to be moved to the left, and three voussoirs 12 are in fixed ring gauge
Moved radially under 15 ° of annular wedge surface b mould taper control, follow excircle of workpiece TP to be clamped workpiece 14, it is ensured that
Workpiece axial line is consistent with lathe dividing spindle and tailstock center axial line.Ensure that each Workpiece Machining Accuracy reaches in batch machining
5 grades (GB10095-2001).
Because this fixture is high-accuracy clamp, floating retaining part can't permit some dirts, spot.This fixture uses high pressure
Clean gas is outwards rinsed inside fixture.Method be the pull bar center for the revolution at a high speed oil cylinder being connected on axle sleeve 3 be it is empty,
Computer program control is lower to open air valve, and gases at high pressure are entered top by pull bar, then pass through top radial direction through hole, high speed gas
A stream part takes away dirt from the discharge of the hole of mandrel right-hand member, and another part of high velocity air is by tilting venthole a and tilting
Stomata b is radially discharged, it is ensured that the whole die cavity cleaning of mandrel.Whenever processing a workpiece 14, after workpiece is extracted, air valve is beaten immediately
Open, high velocity air sprays from inside to outside, has cleaned and has stopped immediately, reinstalls workpiece and carries out new round processing, without any confusion
It is repeated.
Above-described embodiment is the specific descriptions carried out to the utility model, and simply the utility model is carried out furtherly
It is bright, it is impossible to be interpreted as the restriction to scope of protection of the utility model, those skilled in the art is according in above-mentioned utility model
Appearance is made some nonessential modifications and adaptations and each fallen within the scope of protection of the utility model.
Claims (9)
- A kind of 1. high precision hobbing floating clamp, it is characterised in that：Including floating clamp body, axle sleeve, mandrel and top, the axle Set is arranged on left part in floating clamp body, and mandrel is arranged on right part in floating clamp body, and axle sleeve is connected in mandrel；The axle Set left part center is equiped with hollow draw-bar, described top in axle sleeve and mandrel, and top is installed in the interior of floating clamp body In the middle part of hole, and top left part is fastened on floating clamp body by axle nail；Three groups of grooves are laid with the mandrel right part circumference Hole, coordinate in every group of slotted eye and be equiped with one group of voussoir, and three groups of voussoirs can pass through ring gauge and radially lock；The ring gauge passes through method Orchid lid is fastened on the right top of floating clamp body, and blind flange is fixed by screws in the right side of floating clamp body；The top axial centre is provided with passage, and top right-hand member is radially provided with the radial direction through hole to be connected with passage, The mandrel, which is provided with, tilts venthole a, and floating clamp body is provided with the inclination venthole that can be connected with tilting venthole a B, and inclination venthole a, inclination venthole b can discharge the high pressure draught that the radial direction through hole is discharged.
- A kind of 2. high precision hobbing floating clamp according to claim 1, it is characterised in that：The axle nail is tight using tack Dead axle is followed closely.
- A kind of 3. high precision hobbing floating clamp according to claim 2, it is characterised in that：Filled on the floating clamp body Provided with the tack holding screw that mandrel can be made to be moved left and right in the endoporus of floating clamp body but can not be rotated.
- A kind of 4. high precision hobbing floating clamp according to claim 1, it is characterised in that：The voussoir frictional fit peace In slotted eye, and voussoir is provided with annular wedge surface a, is provided with 15 ° of annular wedge surface b inside the ring gauge, and annular wedge surface b with Annular wedge surface a is engaged.
- A kind of 5. high precision hobbing floating clamp according to claim 4, it is characterised in that：The mandrel right-hand member and flange O-ring seal is provided with lid mated position to seal.
- A kind of 6. high precision hobbing floating clamp according to claim 1, it is characterised in that：The floating clamp body left end It is arranged on using 4 holding screws on indexing shaft flange, ensures whole floating clamp high accuracy install.
- A kind of 7. high precision hobbing floating clamp according to claim 6, it is characterised in that：The floating clamp body is with dividing Four groups are uniformly equiped between degree shaft flange outer face can be carried out radially to floating clamp body six in the socket cap of micro adjustment Angle screw a.
- A kind of 8. high precision hobbing floating clamp according to claim 1, it is characterised in that：The passage face is hollow The hollow part of pull bar, and the axial line of passage and the axial line of hollow draw-bar are collinear.
- A kind of 9. high precision hobbing floating clamp according to claim 8, it is characterised in that：High pressure is passed through in the pull bar Gas, gases at high pressure enter in top, then are discharged by top radial direction through hole, a high velocity air part from the hole of mandrel right-hand member Dirt is taken away, another part of high velocity air is radially discharged by tilting venthole a and tilting venthole b, it is ensured that mandrel is whole Die cavity cleans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720970754.9U CN207013818U (en) | 2017-08-04 | 2017-08-04 | A kind of high precision hobbing floating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720970754.9U CN207013818U (en) | 2017-08-04 | 2017-08-04 | A kind of high precision hobbing floating clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207013818U true CN207013818U (en) | 2018-02-16 |
Family
ID=61477865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720970754.9U Active CN207013818U (en) | 2017-08-04 | 2017-08-04 | A kind of high precision hobbing floating clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207013818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262839A (en) * | 2017-08-04 | 2017-10-20 | 浙江日创机电科技有限公司 | A kind of high precision hobbing floating clamp |
-
2017
- 2017-08-04 CN CN201720970754.9U patent/CN207013818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262839A (en) * | 2017-08-04 | 2017-10-20 | 浙江日创机电科技有限公司 | A kind of high precision hobbing floating clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205254276U (en) | Gapless positioning fixture of awl in hollow shaft class work piece | |
| CN108637285B (en) | Irregular workpiece centering clamping chuck | |
| CN203380388U (en) | Adjustable expanding mandrel outer circle machining fixture | |
| CN107262839A (en) | A kind of high precision hobbing floating clamp | |
| CN105290423A (en) | Double-head digital controlled lathe | |
| CN201455372U (en) | Positioning and scale-dividing clamping device for milling machine work-piece with grooved shaft head | |
| CN104084759B (en) | A kind of processing technology for working fluid cylinder pressure cylinder barrel blank | |
| CN207013818U (en) | A kind of high precision hobbing floating clamp | |
| CN106735311B (en) | Pneumatic clamping formula center lathe | |
| CN205764260U (en) | A kind of pitch circle self-centering fixture | |
| CN206500907U (en) | A kind of single direction rotation clamp system | |
| CN206662982U (en) | Adjustable clamp | |
| CN108481057A (en) | The fixture of turning bulb axial workpiece | |
| CN110385453B (en) | Tooling for machining marine components and chuck comprising same | |
| CN206474681U (en) | A kind of Pneumatic clamping formula engine lathe | |
| CN110977563A (en) | Clamping tool for tubular workpiece | |
| CN207709898U (en) | Hollow work-piece localization tool | |
| CN105666033A (en) | Inner arc surface ultrasonic rolling tool head | |
| CN212019425U (en) | Clamp for machining retainer | |
| CN208584205U (en) | A kind of spray inner cavity positioning device of cone shell workpiece lathe processing | |
| CN209319307U (en) | Less than 10 millimeters axle ends of diameter machine self-centering fixture | |
| CN210451892U (en) | Tree felling machine axle housing adds clamping apparatus | |
| CN203817811U (en) | Processing tooling for reducing pipes | |
| CN206273434U (en) | A kind of lathe pneumatic jacking device | |
| CN106623998B (en) | Lathe pneumatic jacking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |