CN106271375A - A kind of for space flight microminiature precision sphere coupling part rolling device - Google Patents
A kind of for space flight microminiature precision sphere coupling part rolling device Download PDFInfo
- Publication number
- CN106271375A CN106271375A CN201610789194.7A CN201610789194A CN106271375A CN 106271375 A CN106271375 A CN 106271375A CN 201610789194 A CN201610789194 A CN 201610789194A CN 106271375 A CN106271375 A CN 106271375A
- Authority
- CN
- China
- Prior art keywords
- swivel nut
- slide block
- threaded hole
- push handle
- screw
- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
Abstract
The present invention provides a kind of for space flight microminiature precision sphere coupling part rolling device, this device arranges the slide block of band roller, and slide block is arranged in the threaded hole that swivel nut curvature is different, works as rotary threaded sleeve, owing to the difference of curvature makes slide block move radially along swivel nut section, thus extrude plunger sub-unit.
Description
Technical field
The present invention designs a mechanism cold processing technique, particularly one for the rolling of space flight microminiature precision sphere coupling part
Pressure device.
Background technology
Plunger displacement pump due to compact conformation, operating pressure is high, efficiency is high and easy to adjust and is widely used in various aviation boat
On it product and engineering machinery.Plunger mat is formed by connecting by mating spherical surfaces by accurate sphere coupling part with plunger body, its
The performances such as the axial gap after connection are to the work efficiency of oil pump and have significant impact service life, and plunger mat is with plunger body even
Connecing is to use machinery closing in technology to ensure quality, and this technology makes plunger mat oral area carry out metal cold extrusion by external force and causes its generation
Plastic deformation so that it is globally cladding plunger body sphere, inside and outside spherical surface forms the female surface of full laminating, thus realizes both spirits
Living and connect, technical difficulty is big, complex process, is that each big Aeronautics and Astronautics field is developed and the key Technology of production.Its
Needing after closing in carry out running-in test, when plunger sub-unit extrudes fluid in higher-pressure region, plunger bears high-voltage oil liquid effect, plunger
Bulb is fitted with swash plate with nest laminating in plunger mat, plunger mat baseplane, hydraulic coupling is transferred to swash plate；When in low-pressure area oil suction
Time, plunger ball is fitted with chuck with the laminating of plunger mat oral area mouth, plunger mat step annulus；Change to low pressure at high pressure
Moment, owing to gap exists at two, plunger mat oral area mouth will bear certain impulsive force, the most also be to affect plunger
The worst force status in seat closing in position, causes its axial gap to amplify, it is impossible to meet product design index request.
Summary of the invention
It is an object of the invention to provide a kind of for space flight microminiature precision sphere coupling part rolling device, by this
After the bright device related to rolls, plunger mat and plunger physical ability are big with himself quality flexible rotating in any direction and pivot angle
Axial gap in 22 ° and movable joint is less than 0.015mm.
A kind of for space flight microminiature precision sphere coupling part rolling device, it is characterised in that to include coaxial cover plate, spiral shell
Set, push handle, push rod, the first spring, pressure regulating screw, also include slide block, pin, ejector pin, the second spring；Its cover plate is arranged along axis
The through hole passed through for rolled workpiece, swivel nut left end face arranges spiral with the laminating of cover plate its right end face and swivel nut left end face
Hole, this threaded hole left-hand end is divided into three sections and each section of descending change of curvature and side, the junction spiral of adjacent two sections
Empty maximum curvature opposite side helicla flute curvature is minimum, and push handle is arranged at swivel nut threaded hole right-hand end and arranges endoporus along axis, in
Push handle in swivel nut threaded hole radially lays three ejector pin through holes along push handle section and every two ejector pin through holes differ 120 °, slide block
Arrange three and different slide block be arranged at swivel nut threaded hole left-hand end difference section in and left and right both ends of the surface tight with cover plate, push handle respectively
Patch, slide block is also close to swivel nut threaded hole wall and arranges rolling on the end face relative with the end face that swivel nut threaded hole wall is close to
Wheel, pressure regulating screw is arranged at the right-hand member of push handle endoporus, and push rod is arranged in push handle endoporus and right-hand member is by the first spring and pressure regulation
Screw connects, and push rod left end is set to most advanced and sophisticated for withstanding rolled workpiece, and push rod left end arranges the second bullet in ejector pin through hole
Spring groove, the second spring is positioned at the second spring groove and the other end is connected with ejector pin, and ejector pin is connected with slide block by pin.
Device involved in the present invention, when rolled with plunger mat oral area of roller contacts, three rollers rotate and make post
Obturating plug contact surface produces plastic deformation, thus realizes plunger body sphere flexible rotating in plunger mat ball-and-socket.Wherein roller
Profile is for changing rolling force direction so that in the rolling surface restriction rolling process of roller, part material is axially extending, makes plunger
Seat closing in end first stress deformation, progressively to centre of sphere Directional Extension, obtains preferable spherical envelope, thus ensures to roll Song Houqiu
The stable performance of face coupling part.
Below in conjunction with Figure of description, the present invention is described further.
Accompanying drawing explanation
Fig. 1 is present configuration generalized section.
Fig. 2 is threaded hole and slide block cooperation schematic diagram.
Detailed description of the invention
In conjunction with Fig. 1, Fig. 2, a kind of for space flight microminiature precision sphere coupling part rolling device, it is characterised in that to include
Coaxial cover plate 1, swivel nut 2, push handle 7, push rod the 8, first spring 9, pressure regulating screw 10, also include slide block 3, pin 4, ejector pin 5, stop
Screw the 6, second spring 13.
Cover plate 1 arranges the through hole passed through for rolled workpiece along axis, and swivel nut 2 left end face is pasted with cover plate 1 its right end face
Closing and swivel nut 2 left end face arranges threaded hole, this threaded hole left-hand end is divided into three sections and each section of descending change of curvature
And side, the junction spiral sky maximum curvature opposite side helicla flute curvature of adjacent two sections is minimum, push handle 7 use Morse taper shank and
Being arranged at swivel nut 2 threaded hole right-hand end and arrange endoporus along axis, the push handle 7 in swivel nut 2 threaded hole is along push handle 7 section radially
Laying three ejector pin through holes and every two ejector pin through holes differ 120 °, slide block 3 arranges three and different slide block is arranged at swivel nut 2 spiral shell
In trepanning left-hand end difference section and left and right both ends of the surface are close to cover plate 1, push handle 7 respectively, slide block 3 also with swivel nut 2 threaded hole wall
Being close to and arrange roller on the end face relative with the end face that swivel nut 2 threaded hole wall is close to, pressure regulating screw 10 is arranged in push handle 7
The right-hand member in hole, push rod 8 is arranged in push handle 7 endoporus and right-hand member is connected with pressure regulating screw 10 by the first spring 9, its pressure
Size is regulated by pressure regulating screw 10, and push rod 8 left end is set to most advanced and sophisticated for withstanding rolled workpiece, and push rod 8 left end is in ejector pin
Through hole arranges the second spring groove, and the second spring 13 is positioned at the second spring groove and the other end and is connected with ejector pin 5, and ejector pin 5 passes through
Pin 4 is connected with slide block 3.Rotary threaded sleeve 2, three helicoid band movable sliders 3 thereon move radially, and are connected to three on slide block 3
Individual pair of rollers workpiece oral area exerts a force, and completes rolling and processing.
Each slide block 3 both sides are arranged is fixed on the screw axis on cover plate 1, limits when slide block moves radially and puts at circumferencial direction
Dynamic.
Between slide block 3 swivel nut 2 threaded hole wall, bearing is set, to reduce the frictional force of slide block 3 and swivel nut inner spiral groove.
Limit screw through hole is set on swivel nut 2 outer wall, push handle 7 outer wall arranges the annular mated with limit screw through hole only
Dynamic screw slots, when swivel nut 2 stops the rotation, screw in limit screw through hole by limit screw 6 and limit screw groove reach swivel nut 2
Stop limit.
Plunger sub-unit is formed by connecting by mating spherical surfaces with plunger body by plunger mat, the axial gap after its connection
To the work efficiency of oil pump and have significant impact etc. performance service life, and plunger mat be connected with plunger body be use machinery close up
Technology ensures quality, and this technology makes plunger mat oral area carry out metal cold extrusion by external force and causes its generation plastic deformation so that it is edge
Sphere cladding plunger body sphere, inside and outside spherical surface forms the female surface of full laminating thus realizes both flexible connections, and it is at 360 °
Any direction flexible rotating, axial gap is less than 0.015mm, is less than by decomposing axial gap after 190min running-in test
After 0.06mm, 60h life cycle test, its axial gap of overhaul is less than 0.06mm again, and technical requirement is high.
For above-mentioned plunger sub-unit, the using method of the present invention: by plunger mat clamping at scroll chuck or special fixture
In, three roller rolling devices use Morse taper shank to insert in tail stock, and plunger body bulb is withstood on post by the push rod of rolling device
In the ball-and-socket of obturating plug, by spring compression, rotary threaded sleeve, three helicoid band movable sliders thereon move radially, and are connected to slide block
On three pair of rollers plunger mat oral areas press, after pressure lock limit screw.After having rolled, unclamp limit screw,
When reversely rotating screw-casing, three rollers then bounce back into original position, it is simple to take off the plunger assembly after closing in.
Claims (4)
1. one kind is used for space flight microminiature precision sphere coupling part rolling device, it is characterised in that include coaxial cover plate (1),
Swivel nut (2), push handle (7), push rod (8), the first spring (9), pressure regulating screw (10), also include slide block (3), pin (4), ejector pin (5),
Limit screw (6), the second spring (13)；Wherein
Cover plate (1) arranges the through hole passed through for rolled workpiece along axis,
Swivel nut (2) left end face arranges threaded hole with the laminating of cover plate (1) its right end face and swivel nut (2) left end face,
This threaded hole left-hand end is divided into three sections and each section of descending change of curvature and side, the junction spiral shell of adjacent two sections
The empty maximum curvature opposite side helicla flute curvature of rotation is minimum,
Push handle (7) is arranged at swivel nut (2) threaded hole right-hand end and arranges endoporus along axis,
Push handle (7) in swivel nut (2) threaded hole radially lays three ejector pin through holes along push handle (7) section and every two ejector pins lead to
Hole differs 120 °,
Slide block (3) arrange three and different slide block be arranged at swivel nut (2) threaded hole left-hand end difference section in and left and right both ends of the surface divide
It is not close to cover plate (1), push handle (7),
Slide block (3) is also close to swivel nut (2) threaded hole wall and the end face relative with the end face that swivel nut (2) threaded hole wall is close to
On roller is set,
Pressure regulating screw (10) is arranged at the right-hand member of push handle (7) endoporus,
Push rod (8) is arranged in push handle (7) endoporus and right-hand member is connected with pressure regulating screw (10) by the first spring (9),
Push rod (8) left end is set to most advanced and sophisticated for withstanding rolled workpiece,
Push rod (8) left end arranges the second spring groove in ejector pin through hole,
Second spring (13) is positioned at the second spring groove and the other end and is connected with ejector pin (5),
Ejector pin (5) is connected with slide block (3) by pin (4).
Device the most according to claim 1, it is characterised in that each slide block (3) both sides are arranged to be fixed on cover plate (1)
Screw axis.
Device the most according to claim 1, it is characterised in that on swivel nut (2) outer wall, limit screw through hole, push handle are set
(7) the annular stop screw slots mated with limit screw through hole are set on outer wall, when swivel nut (2) stops the rotation, pass through stop
Screw (6) screws in limit screw through hole and limit screw groove reaches swivel nut (2) stop limit.
Device the most according to claim 1, it is characterised in that between slide block (3) swivel nut (2) threaded hole wall, axle is set
Hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789194.7A CN106271375B (en) | 2016-08-31 | 2016-08-31 | One kind being used for space flight microminiature precision spherical surface coupling part rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789194.7A CN106271375B (en) | 2016-08-31 | 2016-08-31 | One kind being used for space flight microminiature precision spherical surface coupling part rolling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106271375A true CN106271375A (en) | 2017-01-04 |
| CN106271375B CN106271375B (en) | 2018-08-10 |
Family
ID=57673331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610789194.7A Active CN106271375B (en) | 2016-08-31 | 2016-08-31 | One kind being used for space flight microminiature precision spherical surface coupling part rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106271375B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB382135A (en) * | 1931-01-13 | 1932-10-20 | Manganese Bronze And Brass Com | Apparatus for sizing or burnishing tubular metal elements |
| DE102012018605A1 (en) * | 2012-09-20 | 2014-03-20 | Rolls-Royce Deutschland Ltd & Co Kg | Rolling tool device |
| CN204430022U (en) * | 2015-01-20 | 2015-07-01 | 青岛力克川液压机械有限公司 | One-time formed plunger closing device |
| CN204449799U (en) * | 2015-02-10 | 2015-07-08 | 内蒙古一机集团瑞特精密工模具有限公司 | Conjuncted pump motor piston component necking forming device |
| CN204663860U (en) * | 2015-04-15 | 2015-09-23 | 北京航科发动机控制系统科技有限公司 | A kind of piston shoes piston structure with roller |
-
2016
- 2016-08-31 CN CN201610789194.7A patent/CN106271375B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB382135A (en) * | 1931-01-13 | 1932-10-20 | Manganese Bronze And Brass Com | Apparatus for sizing or burnishing tubular metal elements |
| DE102012018605A1 (en) * | 2012-09-20 | 2014-03-20 | Rolls-Royce Deutschland Ltd & Co Kg | Rolling tool device |
| CN204430022U (en) * | 2015-01-20 | 2015-07-01 | 青岛力克川液压机械有限公司 | One-time formed plunger closing device |
| CN204449799U (en) * | 2015-02-10 | 2015-07-08 | 内蒙古一机集团瑞特精密工模具有限公司 | Conjuncted pump motor piston component necking forming device |
| CN204663860U (en) * | 2015-04-15 | 2015-09-23 | 北京航科发动机控制系统科技有限公司 | A kind of piston shoes piston structure with roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106271375B (en) | 2018-08-10 |
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