CN202527941U - Static pressure rotating table of forming gear grinding machine - Google Patents
Static pressure rotating table of forming gear grinding machine Download PDFInfo
- Publication number
- CN202527941U CN202527941U CN2012201041518U CN201220104151U CN202527941U CN 202527941 U CN202527941 U CN 202527941U CN 2012201041518 U CN2012201041518 U CN 2012201041518U CN 201220104151 U CN201220104151 U CN 201220104151U CN 202527941 U CN202527941 U CN 202527941U
- Authority
- CN
- China
- Prior art keywords
- workbench
- housing
- contact
- oil
- tapered
- 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.)
- Expired - Fee Related
Links
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model relates to a static pressure rotating table of a forming gear grinding machine, which is used for overcoming the defect that a contact surface is easy to wear because of direct mechanical contact between a working platform and a supporting part in the prior art. The static pressure rotating table comprises a shell and the working platform, wherein the shell is internally provided with a taper sleeve and an oil duct which is communicated with a contact surface of the shell and the working platform; the taper sleeve is internally provided with an oil duct communicated with a contact surface of the taper sleeve and the working platform and a contact surface of the taper sleeve and a press plate; and pressure oil is filled through the oil ducts, forms axial bearing oil films on contact surfaces between the shell and the working platform and between the taper sleeve and the upper surface of a flanging of the press plate and forms a radial balance oil film on the contact surface between a taper hole and the outer surface of a taper column. The working platform and the shell are in oil film contact; the oil films include the axial bearing oil films and the radial balance oil film; the bearing capacity and the radial regulating capacity are improved; and the automatic radial regulation capacity of the working platform is improved.
Description
Technical field
The utility model relates to the workbench on a kind of molded gear grinding machine, and the faying face spare between especially a kind of workbench and the support component feeds pressure oil and forms oil film, the molded gear grinding machine static pressure rotary table of slow down friction and raising dynamic accuracy.
Background technology
Rotary table is the mechanical automation equipment that utilizes rotary working platform to carry, rotary table be used for middle-size and small-size precision metallic stock-removing machine and navigation, space flight, large aircraft, large-scale generating equipment is made required high accuracy, high rigidity, heavily loaded large-scale technical equipment.Especially the important techniques in the accurate machine tools such as high-precision vertical lathe, vertical grinder, sales counter grinding machine, horizontal boring and milling machine is equipped.
Molded gear grinding machine workbench when work need turn round and carry out the motion of branch tooth; It is that direct mechanical contacts that traditional workbench reaches between other auxiliary components between the support component of when revolution and workbench housing especially support works platform; Workbench produces sliding friction in rotation process, movable frictional resistance is bigger; The component surface easy abrasion of two frictions makes whole workbench precise decreasing.
Patent Office of the People's Republic of China has announced a CN101407024 B patent on July 14th, 2010; Name is called high precision high rigidity closed type fluid static pressure/pressure/dynamic-static pressure rotary table; That installs vertically a plurality ofly axially fixes through a plurality of pivoted loops and bearing guide with loading bearing radially; Equalizer bearing is set carries out balance, the kinematic pair of a plurality of bearings is rotationally connected synchronously, and fixed joint connects through table base; The secondary sliding pair of journal bearing becomes the rigidity one to be synchronized with the movement with the bearing pair of cod, on the static relatively sliding surface of the sliding pair of each bearing oil pocket is arranged.But this workbench has only orthogonal oil film; Can't to workbench radially be reversed automatic adjusting, if the axis of the relative support component of workbench squints, breaking can appear in oil film radially; Can't form complete support oil film, Mechanical Contact occur and form sliding friction.
Summary of the invention
The utility model has solved in the prior art and has contacted the defective that causes the contact-making surface easy abrasion for direct mechanical between the workbench and support component; A kind of molded gear grinding machine static pressure rotary table is provided; The oil duct that is communicated to contact-making surface is set in support component, and forms oil film at the contact-making surface place, separate two parts toward the logical pressure oil of contact-making surface; Reduce pivoting friction, life-saving.
The utility model has also solved and has adopted orthogonal oil film in the prior art between the workbench and support component; The defective that can't regulate the axis of workbench; A kind of molded gear grinding machine static pressure rotary table is provided; Workbench and support component can automatically adjust to the axis of workbench at the radially oil film of radial direction formation taper.
The utility model solves the technical scheme that its technical problem adopted: a kind of molded gear grinding machine static pressure rotary table; Comprise on housing, setting and the housing being provided with tapered sleeve in the housing by the workbench of housings support, tapered sleeve has bellmouth; Be provided with tapered pole in the middle of the workbench; Tapered pole is inserted in the bellmouth, and the end of tapered pole is fixed with the pressing plate of band flange, and flange and housing are clamped taper sheath; Be provided with the oil duct that is communicated with housing and workbench contact-making surface in the housing; Be provided with the oil duct that is communicated with contact-making surface between tapered sleeve and workbench, tapered sleeve and the pressing plate in the tapered sleeve; From oil duct injection pressure oil; The contact-making surface place of pressure oil between the contact-making surface between housing and the workbench and tapered sleeve and pressing plate flange upper surface forms the axial carrying oil film, and the contact-making surface place of pressure oil between bellmouth and tapered pole appearance forms the radial equilibrium oil film.Bellmouth cooperates with tapered pole radially to be regulated workbench automatically, radially forms oil film on the contact-making surface at this, in adjustment process, can not damage this oil film, guarantees the integrity of oil film; Pressing plate band flange and housing are fixed tapered sleeve, can also reconcile the bellmouth of tapered sleeve and the fit clearance between the tapered pole simultaneously; Oil duct is passed into each contact-making surface with pressure oil and forms oil film, reduces the direct mechanical contact between the piece surface, reduces frictional resistance, prevents surface abrasion, increases the service life.
As preferably, housing has interior support portion, and the upper surface of interior support portion is a horizontal plane, and this horizontal plane and workbench are to contacting, and the oil duct in the housing is communicated with this horizontal plane and forms described axial carrying oil film, and the oil duct porch is fixed with joint.The axial carrying oil film is in level, mainly bears axial load, and the pivot center of this axial carrying oil film and workbench is perpendicular, and the oil film thickness sudden change can not take place at the oil film position, remains the integrity of oil film.
As preferably, the oil duct in the tapered sleeve is three through-hole structures, and three through holes, one end is communicated with the contact-making surface of tapered sleeve and workbench, and an end is communicated with the contact-making surface of tapered sleeve and pressing plate spare, and the other end is that oil duct enters the mouth and is fixed with joint.Form contact-making surface between tapered sleeve and the tapered pole, form contact-making surface between tapered sleeve and the pressing plate, this two contact-making surface supplies pressure oil through same oil duct, has simplified the difficulty of processing of the inner oil duct of tapered sleeve.
As preferably, the contact-making surface between tapered sleeve and the workbench is between taper hole wall and the tapered pole appearance, and the oil duct outlet that is communicated with this contact-making surface is in bellmouth miner diameter end one side.Contact-making surface between tapered sleeve and the tapered pole is the contact-making surface of taper, and pressure oil also upwards covers whole conical contact face gradually from the miner diameter end infiltration of taper, and miner diameter end bears bigger pressure, and pressure has from the miner diameter end infiltration, improves the flowability of pressure oil.
As preferably, the inwall of tapered sleeve is connected with one section cylindrical inner wall at bellmouth miner diameter end place, and the cylindrical inner wall end connects one section tapered wall again after forming ladder, and the tapering of this tapered wall is identical with the tapering of tapered pole, and the tapering of bellmouth is greater than the tapering of tapered pole.Form a pressure oil coexistence chamber between cylindrical inner wall and the tapered pole; Pressure oil in the coexistence chamber can backflow; Can also improve to the contact-making surface between tapered wall and the tapered pole simultaneously and use, even guarantee that the oil film at this place receives the gravity effect and also can guarantee its integrity as oil film.
As preferably, tapered sleeve is extended with vertical flanging away from an end of bellmouth, and flanging hooks the lower end of housing, is provided with the adjustment pad between flanging and the housing.The adjustment pad is set between the flanging of tapered sleeve and the housing; Through adjusting the size that pad can be regulated the bellmouth and the contact gap between the workbench tapered pole of tapered sleeve; Thereby change the thickness of this place's oil film, also can regulate adjusting range the workbench radial direction.
As preferably, pressing plate is L shaped around an axis rotary body in one week, and the last plane of the flange of pressing plate contacts with the bottom surface of tapered sleeve.After the tapered pole of pressing plate and workbench fixed, pressing plate was along with workbench rotates synchronously, and pressing plate is clamped tapered sleeve simultaneously again, so the last plane of the flange of pressing plate and tapered sleeve formation axial carrying oil film.
As preferably, housing is the rotary body that a U-shaped rotates a circle around the axis parallel with the U-shaped side, and the inboard U-shaped wall of housing is interior support portion, and the U-shaped wall in the outside is outer support portion, and the height of interior support portion is less than outer support portion.Housing is a rotary body, and the rotation of this rotary body is the rotating axis of workbench, so the contact-making surface between housing and the workbench can guarantee to be in stable status.
As preferably, be fixed with worm gear below the workbench, worm gear is in enclosure interior, and worm gear and housing are separated.The worm gear rotating band starts building to do the platform revolution, and worm gear and workbench belong to synchronous rotation, for preventing the friction between worm gear and the housing, worm gear are separated with housing.
As preferably, the axial location of workbench is fixed with the encoder carriage, and the upper end of encoder carriage is equipped with encoder, and pressing plate is hooked in the lower end of encoder carriage, and the center fixed of workbench has gland, and gland covers encoder.Encoder can be controlled the rotating precision of workbench.
The beneficial effect of the utility model is: contacting between workbench and the housing is the oil film contact, reduced frictional force, prevents the piece surface wearing and tearing, increases the service life; Oil film is divided into axial carrying oil film and radial equilibrium oil film, improves bearing capacity and radiai adjustment ability; The radial equilibrium oil film is on the conical contact face, has improved the radially self-regulating ability of workbench; The rotating accuracy of workbench has encoder control, and rotating accuracy is high.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Among the figure: 1, outer support portion, 2, worm gear, 3, interior support portion, 4, housing, 5, oil duct, 6, the adjustment pad; 7, flanging, 8, flange, 9, pressing plate, 10, the encoder carriage, 11, the axial carrying oil film, 12, three through holes; 13, radial equilibrium oil film, 14, bellmouth, 15, gland, 16, encoder, 17, tapered pole, 18, tapered sleeve; 19, cylindrical inner wall, 20, tapered wall, 21, joint, 22, branch road, 23, workbench.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of molded gear grinding machine static pressure rotary table (referring to accompanying drawing 1); Comprise housing 4; Housing is the rotary body that a U-shaped rotates a circle around the axis parallel with the U-shaped side; The inboard U-shaped wall of housing is interior support portion 3, and the U-shaped wall in the outside is outer support portion 1, and the height of interior support portion is less than outer support portion.Be fixed with workbench 23 on the upper surface of housing, the centre of workbench is provided with tapered pole 17, and the centre of tapered pole is a circular hole.Be provided with tapered sleeve 18 between the madial wall of tapered pole and interior support portion, the bellmouth 14 of an end of tapered sleeve for matching with the tapered pole outer wall, the other end of tapered sleeve is provided with the flanging 7 that vertically turns up, and anti-flange hooks the bottom surface of housing.Be provided with adjustment pad 6 between the upper surface of flanging and the bottom surface of housing.The miner diameter end of the bellmouth of tapered sleeve is connected with one section cylindrical inner wall 19, and an end of cylindrical inner wall is arranged to stepped and is connected one section tapered wall 20 again.The tapering of tapered wall equates that with the tapering of tapered pole the tapering of bellmouth is greater than the tapering of tapered pole.Be fixed with pressing plate 9 through screw on the lower surface of tapered pole, pressing plate is that L shaped the end of pressing plate is a flange 8 around axis one rotary body in week, and the last plane of flange contacts with the bottom surface of tapered sleeve.The axis position of housing is installed with encoder carriage 10, and pressing plate is hooked in the lower end of encoder carriage, and the upper end of encoder carriage is fixed with encoder 16.The middle part of workbench is fixed with gland 15, and gland covers encoder.Be fixed with worm gear 2 on the workbench, worm gear is in the groove of housing U-shaped, and the lateral wall of worm gear and interior support portion is separated.
The interior support portion set inside of housing has the oil duct parallel with the workbench rotation 5, the contact-making surface in the upper end outlet of oil duct is communicated with between support portion and the workbench, and the lower end of oil duct is fixedly connected with joint 21.The tapered sleeve set inside has the oil duct of three through holes, 12 structures, and wherein an end is communicated with the contact-making surface between bellmouth and the tapered pole appearance, and the other end is communicated with the contact-making surface between the plane on tapered sleeve and the pressing plate flange, and the other end is that the oil duct inlet is fixedly connected with joint.The oil duct outlet that is communicated with the contact-making surface between bellmouth and the tapered pole is in bellmouth miner diameter end one side.
The contact-making surface at interior support portion upper end surface contact-making surface and pressing plate flange upper surface place is a horizontal plane, and the axis of rotation of this horizontal plane and workbench is perpendicular.Feed pressure oil in the oil duct, radial equilibrium oil film 13 between the tapered pole of the axial carrying oil film 11 in pressure oil penetrates into and forms respectively in each contact-making surface between support portion and the workbench, the bellmouth of tapered sleeve and workbench and the axial carrying oil film 11 between tapered sleeve and the pressing plate flange upper surface.
The side set inside of workbench has vertical oil duct; Oil duct in this oil duct and the housing in the support portion is connected; Oil duct in the workbench side is connected with one section branch road 22; This branch road is communicated with the contact-making surface between workbench and the upper surface, outer support portion, and upper surface, outer support portion is provided with the oil groove of a circle depression, and branch road communicates with oil groove.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (10)
1. molded gear grinding machine static pressure rotary table; Comprise on housing, setting and the housing it is characterized in that being provided with tapered sleeve in the housing that tapered sleeve has bellmouth by the workbench of housings support; Be provided with tapered pole in the middle of the workbench; Tapered pole is inserted in the bellmouth, and the end of tapered pole is fixed with the pressing plate of band flange, and flange and housing are clamped taper sheath; Be provided with the oil duct that is communicated with housing and workbench contact-making surface in the housing; Be provided with the oil duct that is communicated with contact-making surface between tapered sleeve and workbench, tapered sleeve and the pressing plate in the tapered sleeve; From oil duct injection pressure oil; The contact-making surface place of pressure oil between the contact-making surface between housing and the workbench and tapered sleeve and pressing plate flange upper surface forms the axial carrying oil film, and the contact-making surface place of pressure oil between bellmouth and tapered pole appearance forms the radial equilibrium oil film.
2. molded gear grinding machine static pressure rotary table according to claim 1; It is characterized in that housing has interior support portion; The upper surface of interior support portion is a horizontal plane; This horizontal plane and workbench are to contacting, and the oil duct in the housing is communicated with this horizontal plane and forms described axial carrying oil film, and the oil duct porch is fixed with joint.
3. molded gear grinding machine static pressure rotary table according to claim 1; It is characterized in that the oil duct in the tapered sleeve is three through-hole structures; Three through holes, one end is communicated with the contact-making surface of tapered sleeve and workbench, and an end is communicated with the contact-making surface of tapered sleeve and pressing plate spare, and the other end is the oil duct inlet and is fixed with joint.
4. according to claim 1 or 2 or 3 described molded gear grinding machine static pressure rotary tables; It is characterized in that the contact-making surface between tapered sleeve and the workbench is between taper hole wall and the tapered pole appearance, the oil duct outlet that is communicated with this contact-making surface is in bellmouth miner diameter end one side.
5. molded gear grinding machine static pressure rotary table according to claim 4; The inwall that it is characterized in that tapered sleeve is connected with one section cylindrical inner wall at bellmouth miner diameter end place; The cylindrical inner wall end connects one section tapered wall again after forming ladder; The tapering of this tapered wall is identical with the tapering of tapered pole, and the tapering of bellmouth is greater than the tapering of tapered pole.
6. according to claim 1 or 2 or 3 described molded gear grinding machine static pressure rotary tables, it is characterized in that tapered sleeve is extended with vertical flanging away from an end of bellmouth, flanging hooks the lower end of housing, is provided with the adjustment pad between flanging and the housing.
7. molded gear grinding machine static pressure rotary table according to claim 1 is characterized in that pressing plate is L shaped around an axis rotary body in one week, and the last plane of the flange of pressing plate contacts with the bottom surface of tapered sleeve.
8. according to claim 1 or 2 or 3 or 7 described molded gear grinding machine static pressure rotary tables; It is characterized in that housing is the rotary body that a U-shaped rotates a circle around the axis parallel with the U-shaped side; The inboard U-shaped wall of housing is interior support portion; The U-shaped wall in the outside is outer support portion, and the height of interior support portion is less than outer support portion.
9. according to claim 1 or 2 or 3 or 7 described molded gear grinding machine static pressure rotary tables, it is characterized in that the workbench below is fixed with worm gear, worm gear is in enclosure interior, and worm gear and housing are separated.
10. according to claim 1 or 2 or 3 or 7 described molded gear grinding machine static pressure rotary tables; The axial location that it is characterized in that workbench is fixed with the encoder carriage; The upper end of encoder carriage is equipped with encoder; Pressing plate is hooked in the lower end of encoder carriage, and the center fixed of workbench has gland, and gland covers encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201041518U CN202527941U (en) | 2012-03-19 | 2012-03-19 | Static pressure rotating table of forming gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201041518U CN202527941U (en) | 2012-03-19 | 2012-03-19 | Static pressure rotating table of forming gear grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202527941U true CN202527941U (en) | 2012-11-14 |
Family
ID=47129150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201041518U Expired - Fee Related CN202527941U (en) | 2012-03-19 | 2012-03-19 | Static pressure rotating table of forming gear grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202527941U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990372A (en) * | 2012-12-04 | 2013-03-27 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN103624555A (en) * | 2013-11-29 | 2014-03-12 | 南京工业大学 | Static pressure heavy-load direct-drive high-accuracy rotating table |
| CN104647056A (en) * | 2014-01-26 | 2015-05-27 | 柳州正菱重型数控机床有限公司 | Closed constant-current hydrostatic guide rail for rotating table |
-
2012
- 2012-03-19 CN CN2012201041518U patent/CN202527941U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990372A (en) * | 2012-12-04 | 2013-03-27 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN102990372B (en) * | 2012-12-04 | 2014-12-17 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN103624555A (en) * | 2013-11-29 | 2014-03-12 | 南京工业大学 | Static pressure heavy-load direct-drive high-accuracy rotating table |
| CN103624555B (en) * | 2013-11-29 | 2016-06-15 | 南京工业大学 | Static pressure heavy-load directly drives high-precision rotary working-table |
| CN104647056A (en) * | 2014-01-26 | 2015-05-27 | 柳州正菱重型数控机床有限公司 | Closed constant-current hydrostatic guide rail for rotating table |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102729052A (en) | Static pressure workbench for forming gear grinding machine | |
| CN202527941U (en) | Static pressure rotating table of forming gear grinding machine | |
| CN204366701U (en) | A kind of hydrostatic and hydrodynamic bearing of grinding machine superhigh precision main shaft of grinding carriage | |
| CN103028953B (en) | Static pressure working platform for hobbing machine | |
| CN106737155B (en) | A kind of small pivot angle full floating honing machine collet | |
| CN101596680A (en) | A kind of high-precision vertical revolving worktable | |
| CN101439471A (en) | Machine tool gas kinetic pressure center frame | |
| CN103692290B (en) | Micro swivel | |
| CN105855578B (en) | A kind of combination boring bar device being conveniently adjusted | |
| CN201320706Y (en) | Bearing for centerless grinder | |
| CN205129602U (en) | Grinding and polishing device | |
| CN103878676A (en) | Cone spiral grinding device | |
| CN102069382A (en) | Integrated grinding/turning mechanism of grinding lathe for ball valve bodies | |
| CN203696766U (en) | Grinding wheel forming roller dresser | |
| CN102990507B (en) | Indexing support mechanism on grinding head of upright type grinding machine | |
| CN201423534Y (en) | High-precision vertical working turntable | |
| CN102728904B (en) | Numeric control forming gear grinding machine | |
| CN101633120A (en) | Double-division auxiliary static-pressure bearing and turning worktable of machine tool | |
| CN203956707U (en) | A kind of cone spirality abrasive disk | |
| CN103722457B (en) | Tooth shape grinding clamp | |
| CN104400019B (en) | Actively unloading hydrostatic pressure spindle | |
| CN202571494U (en) | Numerical control forming gear grinding machine with hydrostatic guide rails | |
| CN105234804A (en) | Grinding and polishing device | |
| CN202640106U (en) | Polishing wheel mechanism for polishing machine | |
| CN201300213Y (en) | High-accuracy lathe spindle |
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 |
Granted publication date: 20121114 Termination date: 20150319 |
|
| EXPY | Termination of patent right or utility model |