CN110273993A - A kind of end cap recycles four channel ball spline pairs and processing technology - Google Patents
A kind of end cap recycles four channel ball spline pairs and processing technology Download PDFInfo
- Publication number
- CN110273993A CN110273993A CN201910632754.1A CN201910632754A CN110273993A CN 110273993 A CN110273993 A CN 110273993A CN 201910632754 A CN201910632754 A CN 201910632754A CN 110273993 A CN110273993 A CN 110273993A
- Authority
- CN
- China
- Prior art keywords
- reverser
- spline housing
- spline
- processing
- channel
- 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.)
- Pending
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000004458 analytical method Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000005096 rolling process Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000007514 turning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Classifications
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
Abstract
The invention discloses a kind of end caps to recycle four channel ball spline pairs and processing technology, the technique is the following steps are included: Vehicle Processing-Cutter Body Processing with Machining Center-heat treatment-inside and outside contour fine grinding-polishing treatment obtains spline housing, CAE analysis -3D counter-bonification moulding-CAD mold design-production reverser mold-injection molding obtains reverser before design arc-shaped rail-die sinking, assembles reverser and spline housing.Spline housing guarantees that ball sliding is smooth by multiple processing in the present invention, and noise is small, and durability degree is high；Reverser model is meeting rolling outer radial larger single side 0.05mm, to overcome plastic and ironware processing dimension error and fit-up gap to misplace, keeps steel ball minimum by resistance when track, rolling is more smooth；Die sinking analysis, CAE analysis guarantee that reverser mold avoids injection defect in forming process, reduce contrast in kind, and dimensional discrepancy is small.
Description
Technical field
The present invention relates to the processing technology of ball spline pair, specifically a kind of end cap recycles four channel ball spline pairs and adds
Work technique.
Background technique
Rolling spline pair is a kind of linear motion system, when spline housing utilizes steel ball therein in the flower by accurate grinding
When moving along a straight line on key axis, torque can be transmitted.Spline pair has more compact structure, can transmit the load of excess and move
Power, and have a longer life expectancy.
End cover type rolling spline pair reverse geometry is the smooth raceway of closing, and directional performance is good, and movement is more flexible smooth,
Spline housing can move along a straight line on splined shaft in biggish velocity interval (speed is lower or higher) and keep excellent property
Energy.
It is poor to there is useful life longevity for some ball spline byproducts currently on the market, slides low precision, and sliding flexibility is poor
The problems such as.For this problem, applicant has researched and developed a set of material selection and processing process, can be effectively improved
The problems such as ball spline pair useful life longevity is poor, slides low precision and short service life.
Summary of the invention
The purpose of the present invention is to provide a kind of end caps to recycle four channel ball spline pairs and processing technology, above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of four channel ball spline pairs of end cap circulation specifically include that splined shaft, spline housing, reverser and steel ball, described anti-
The two sides of spline housing are fixed to device, reverser is annular shape, the splined shaft and spline inner room using interference fit, flower
Four are respectively set on key axis surface and spline housing inner wall along axial channel, the steel ball is arranged in the ditch in spline housing
In road.
As a further solution of the present invention: the reverser is equipped with multiple reverser caps.
A kind of end cap recycles the processing technology of four channel ball spline pairs, comprising the following steps:
Step 1: production spline housing, production process are as follows: Vehicle Processing-Cutter Body Processing with Machining Center-heat treatment-inside and outside contour fine grinding-
Polishing treatment；
Step 2 makes reverser, production process are as follows: CAE analysis -3D counter-bonification moulding-before design arc-shaped rail-die sinking
CAD mold design-production reverser mold-injection molding, wherein arc-shaped rail rolls the basis of outer radial size meeting
Upper channel single side increases 0.05mm；
Step 3 assembles reverser and spline housing.
As a further solution of the present invention: in the step 1, Vehicle Processing includes that processing spline housing inner hole and inner hole fall
Angle, end face, outer circle and outer circle oil groove.
As a further solution of the present invention: in the step 1, Cutter Body Processing with Machining Center includes processing spline housing both ends of the surface
On hole, outer circle oil groove and outer circle keyway.
As a further solution of the present invention: spline housing selects GCr15 bearing steel in the step 1.
As a further solution of the present invention: the heat treatment hardness of spline housing is at least HRC58 in the step 1.
Compared with prior art, the beneficial effects of the present invention are:
1, spline housing is smooth by multiple processing guarantee ball sliding in the present invention, and noise is small, and durability degree is high；
2, reverser model channel width single side in the case where meeting rolling outer radial size increases 0.05mm, to overcome plastic and ironware
Processing dimension error and fit-up gap dislocation, keep steel ball minimum by resistance when track, roll more smooth；
3, die sinking analysis, CAE analysis guarantee that reverser mold avoids injection defect in forming process, reduce contrast in kind, ruler
Very little deviation is small.
Detailed description of the invention
Fig. 1 is the structure chart that a kind of end cap recycles four channel ball spline pairs.
Fig. 2 is the decomposition chart that a kind of end cap recycles reverser in four channel ball spline pairs.
Fig. 3 is the processing process figure that a kind of end cap recycles four channel ball spline pairs.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1,2, a kind of end cap recycles four channel ball spline pairs, specifically includes that splined shaft 1, spline housing 2, anti-
To device 3 and steel ball 4, the reverser 3 is fixed at the two sides of spline housing 2, and reverser 3 is annular shape, the dress of reverser 3
Equipped with multiple reverser caps 5；It uses and is interference fitted between the splined shaft 1 and spline housing 2, in 1 surface of splined shaft and spline housing 2
Four are respectively set on wall along axial channel, the steel ball 4 is arranged in the channel in spline housing 2, when torque is by spending
When key axis 1 is applied on spline housing 2 or is applied on splined shaft 1 by spline housing 2, because spline auxiliary air gap is interference fit, rolling
Just steady, the Transmit evenly torque of pearl 4.
Such as Fig. 3, a kind of end cap recycles the processing technology of four channel ball spline pairs, comprising the following steps:
Step 1: production spline housing 2, comprising the following steps:
Step 11: spline housing 2 selects high-quality bearing steel (GCR15), and using machine tooling, scroll chuck clamps outer circle, clamping length
Degree is more than 2/3 total length, then successively turning inner hole, end face and outer circle, wherein the reserved 0.3mm surplus in interior hole, turning are long
Degree cutting 7mm, outer diameter reserve 0.3mm, and surplus guarantees within outer diameter tolerance 0.02；Scroll chuck clamps outer circle, clamping length again
Spend 5mm, turning inner hole chamfering, end face, outer circle oil groove, outside diameter reserve 0.3mm surplus, guarantee outer diameter tolerance 0.02mm with
It is interior, within the both ends of the surface depth of parallelism 0.02；Step 12: Cutter Body Processing with Machining Center: clamping Excircle machining using 4 axis turntables, guarantee turntable
Concentricity is overturn within 0.02mm, all holes in processing both ends of the surface, steel ball via hole, the two-way processing of drilling operation need, every section
Drillable length need to reach total length 2/3, and four axis turntables process pin hole, and selecting pin hole is positioning datum, processing excircles oil groove,
And outer circle keyway；
Step 13: spline housing 2 being heat-treated, processing hardness is more than HRC58；
Step 14: carrying out precise finiss processing with high-precision level of confidentiality inside and outside circle mill, inside and outside contour is finished；
Step 15: ironware is processed by shot blasting, it is ensured that ball channel is smooth, reduces steel ball rolling frictional resistance；Removal seamed edge,
The positions such as corner burr guarantees that ball rolls in channels and axle sleeve is smooth without hindrance when sliding on splined shaft, and action noise
It is as small as possible；
Step 2: production reverser 3(plastic), comprising the following steps:
Step 21: reverser product design moulding early period is designed based on spline housing metalwork ball hole with circular arc type track
Smooth connection rolls outer radial larger single side 0.05mm meeting, to overcome plastic and ironware processing dimension error and dress
With clearance dislocation, keeps steel ball 11 minimum by resistance when track, roll more smooth；
Step 22: reverser 3 is die sinking analysis DFM in die sinking early period, and reverser 3 uses finite element analysis after the completion of 3D moulding
Software (Moldflow) to plastic carry out CAE analysis, prediction the later period it is practical die sinking be likely to occur packet wind, it is short penetrate, trapped gas, deformation
The problems such as, while determining that best moulding process, Best gate location, size, mold insert be default and deformation-compensated parameter etc.；
Step 23: according to CAE as a result, for the injection defect problem that finds in analysis after the completion of analysis, such as deform, reprint books in a reduce format into
Row 3D counter-bonification moulding.Forming defect is overcome to greatest extent by this operation, reduces moulding material object and 3D data mould after molding
The contrast of type, dimensional discrepancy is less than 0.05mm after guaranteeing molding；
Step 24: the 3D counter-bonification data according to after the completion of carry out CAD mold design, design cast gate, exhaust, cooling, ejection
Deng being guiding with CAE analysis in step 22, it is ensured that the operation of design link and parameter fit like a glove with CAE institute channeling direction；
Step 25: reverser Mold Making, reverser mold mainly include molded base part and core portion, and mould bases is using high-accuracy
Grade mould bases, for plate thickness tolerance within ± 0.02mm, front and back mould increases fine positioning, and molding tolerance is can be controlled within 0.03mm；Mould
When core segment is processed, the inner hole of reverser 3 and 2 cooperation of spline housing uses inlaying structure, and die core insert hole and corresponding mold insert are adopted
It is processed with slow wire feeding, dimensional tolerance controls within ± 0.02mm；Steel ball track part is discharged using import mirror surface on reverser 3
Processing, it is ensured that steel ball track is smooth, and dimensional tolerance controls within ± 0.03mm；
Step 26: carrying out injection molding after the completion of Mold Making, molding technique parameter is first using CAE analysis data early period as foundation
And scene and plastic three-D measurement result institute's feedback data is combined to carry out process optimization fine tuning, and optimum size is found out, it is best outer
Technological parameter under sight state, and achieved.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of end cap recycles four channel ball spline pairs, comprising: splined shaft, spline housing, reverser and steel ball, feature exist
In: the reverser is fixed at the two sides of spline housing, and reverser is annular shape, and the splined shaft and spline inner room used
It is full of cooperation, four is respectively set on splined shaft surface and spline housing inner wall along axial channel, the steel ball is arranged in flower
In channel in key set.
2. a kind of end cap according to claim 1 recycles four channel ball spline pairs, it is characterised in that: the reverser
It is equipped with multiple reverser caps.
3. the processing technology that a kind of end cap recycles four channel ball spline pairs, it is characterised in that: the following steps are included:
Step 1: production spline housing, production process are as follows: Vehicle Processing-Cutter Body Processing with Machining Center-heat treatment-inside and outside contour fine grinding-
Polishing treatment；
Step 2 makes reverser, production process are as follows: CAE analysis -3D counter-bonification moulding-before design arc-shaped rail-die sinking
CAD mold design-production reverser mold-injection molding, wherein arc-shaped rail rolls the basis of outer radial size meeting
Upper channel single side increases 0.05mm；
Step 3 assembles reverser and spline housing.
4. the processing technology that a kind of end cap according to claim 3 recycles four channel ball spline pairs, it is characterised in that: institute
It states in step 1, Vehicle Processing includes processing spline housing inner hole and inner bore chamfering, end face, outer circle and outer circle oil groove.
5. the processing technology that a kind of end cap according to claim 3 recycles four channel ball spline pairs, it is characterised in that: institute
It states in step 1, Cutter Body Processing with Machining Center includes hole, outer circle oil groove and the outer circle keyway processed in spline housing both ends of the surface.
6. the processing technology that a kind of end cap according to claim 3 recycles four channel ball spline pairs, it is characterised in that: institute
It states in step 1, spline housing selects GCr15 bearing steel.
7. the processing technology that a kind of end cap according to claim 3 recycles four channel ball spline pairs, it is characterised in that: institute
The heat treatment hardness for stating spline housing in step 1 is at least HRC58.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910632754.1A CN110273993A (en) | 2019-07-14 | 2019-07-14 | A kind of end cap recycles four channel ball spline pairs and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910632754.1A CN110273993A (en) | 2019-07-14 | 2019-07-14 | A kind of end cap recycles four channel ball spline pairs and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110273993A true CN110273993A (en) | 2019-09-24 |
Family
ID=67964460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910632754.1A Pending CN110273993A (en) | 2019-07-14 | 2019-07-14 | A kind of end cap recycles four channel ball spline pairs and processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110273993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935438A (en) * | 2021-01-22 | 2021-06-11 | 青岛微控电子科技有限公司 | Spline sleeve and machining method thereof, and micro ball spline assembly |
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|---|---|---|---|---|
| CN2775397Y (en) * | 2005-03-03 | 2006-04-26 | 深圳市威远精密技术有限公司 | Large lead end cover type inner circular rolling ball screw pair |
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| US20190093601A1 (en) * | 2017-09-28 | 2019-03-28 | Goodrich Actuation Systems Limited | Locking system and torque limiter for an electrically actuated thrust reverser |
-
2019
- 2019-07-14 CN CN201910632754.1A patent/CN110273993A/en active Pending
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|---|---|---|---|---|
| CN2775397Y (en) * | 2005-03-03 | 2006-04-26 | 深圳市威远精密技术有限公司 | Large lead end cover type inner circular rolling ball screw pair |
| CN200996451Y (en) * | 2007-01-24 | 2007-12-26 | 山东济宁博特精密丝杠有限公司 | Sub-elliptical backward gear of ball screw |
| CN201561052U (en) * | 2009-12-10 | 2010-08-25 | 南京工艺装备制造有限公司 | Flange-type rolling spline pair |
| JP2011196440A (en) * | 2010-03-18 | 2011-10-06 | Tsubakimoto Chain Co | Variable speed power transmission mechanism |
| CN202194957U (en) * | 2011-08-16 | 2012-04-18 | 天津泰瑞传动技术发展有限公司 | Ball spline transmission assembly |
| CN202251776U (en) * | 2011-09-30 | 2012-05-30 | 优励聂夫（南京）科技有限公司 | Press cover type axial split heavy-load ball screw pair |
| US20190093601A1 (en) * | 2017-09-28 | 2019-03-28 | Goodrich Actuation Systems Limited | Locking system and torque limiter for an electrically actuated thrust reverser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935438A (en) * | 2021-01-22 | 2021-06-11 | 青岛微控电子科技有限公司 | Spline sleeve and machining method thereof, and micro ball spline assembly |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190924 |
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| RJ01 | Rejection of invention patent application after publication |