CN108788656A - A kind of processing method of planet carrier - Google Patents
A kind of processing method of planet carrier Download PDFInfo
- Publication number
- CN108788656A CN108788656A CN201810877480.8A CN201810877480A CN108788656A CN 108788656 A CN108788656 A CN 108788656A CN 201810877480 A CN201810877480 A CN 201810877480A CN 108788656 A CN108788656 A CN 108788656A
- Authority
- CN
- China
- Prior art keywords
- planet carrier
- face
- splined hole
- inner conical
- small end
- 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.)
- Granted
Links
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
The present invention relates to a kind of processing methods of planet carrier.It includes the following steps：1) after planet carrier roughing, splined hole of broaching on vertical broaching machine；2) planet carrier is inserted on high-precision taper spline mandrel, leans on taper axial direction wedging, numerically controlled lathe is top to hold out against spline mandrel both ends centre bore, smart car planet carrier small end face；3) small end face of planet carrier is placed on bottom plate, is positioned with splined hole and small end face, using splined hole as positioning datum, process 3 planetary gear mounting holes in vertical machining centre, 3 planetary gear mounting hole relative positions of itself are ensured by equipment precision；4) using splined hole and small end face as positioning datum, the processing in 3 portions of leaving a blank is completed.It is positioned using splined hole, and positioning datum is unified with design basis, and positional precision has been effectively ensured, and main precision ensures that human factor is seldom by the equipment precision of high-accuracy clamp and machining center, and quality stability is high.
Description
Technical field
The present invention relates to a kind of processing methods of planet carrier.
Background technology
Important part in tractor rear driving axle --- planet carrier, effect are：The power of gearbox output, passes through row
After the planetary gear speed-reduction installed in carrier, planet carrier transfers power on the splined shaft of drive shaft, requirement on machining accuracy
It is very high.
Now by taking 80 horsepowers of tractor planet carriers as an example, as shown in Figure 1.Planet carrier is in triangle, and center is spline.Planet carrier
On 3Hole is that installation is planetary, and the axis for the circle that 3 holes center of circle is formed is the same as in spline reference circle
The concentricity of heart line need to controlWithin, to ensure the precision after gear installation.Due to splined hole and 3Hole can not time processing come out, it is ensured thatConcentricity requires highly difficult.
Current processing scheme is first to process 3Hole, then with 3Hole positions
Draw spline.Uncontrollable factor is too many in being drawn due to spline, after processing its concentricity degree mostly in 0.20-0.35mm or so,
With spline beating degree, generally in 0.10mm or so, drawing requirement is much not achieved in small end face.
Invention content
Present invention seek to address that the above problem, provides a kind of processing method of planet carrier, it is positioned using splined hole, fixed
Position benchmark is unified with design basis, and positional precision, the equipment that main precision leans on high-accuracy clamp and machining center has been effectively ensured
Accuracy guarantee, human factor is seldom, and quality stability is high, and the technical solution used is as follows：
A kind of processing method of planet carrier, which is characterized in that include the following steps：
1) after planet carrier roughing, splined hole of broaching on vertical broaching machine；
2) planet carrier is inserted on high-precision taper spline mandrel, leans on taper axial direction wedging, numerically controlled lathe is top to hold out against flower
Key mandrel both ends centre bore, smart car planet carrier small end face ensure that the beating degree of small end face and spline is no more than 0.03mm, are simultaneously
Postorder processing provides accurate benchmark；Because positioning datum and design basis are unified (being all on the basis of splined hole), therefore can be with
Ensure that end is jumped well and is no more than 0.03mm；
3) small end face of planet carrier is placed on bottom plate, is positioned with splined hole and small end face, using splined hole as positioning datum,
3 planetary gear mounting holes are processed in vertical machining centre, 3 planetary gear mounting hole relative positions of itself are by equipment essence
Degree ensures；
4) using splined hole and small end face as positioning datum, the processing in 3 portions of leaving a blank is completed.
On the basis of above-mentioned technical proposal, to ensure that the concentricity of 3 planetary gear mounting holes and spline reference circle does not surpass
It crossesUsing inner conical drogue, high precision elastic opening spline housing and screw rod, bottom end and the base thread of the screw rod connect
It connects, opening spline housing 7 is loaded in splined hole, and loaded in opening spline housing, the outer diameter face of the inner conical drogue is and opening inner conical drogue
The back taper that the aperture surface of spline housing matches, the first nut thread are connected on screw rod and compress inner conical drogue, and pressing plate passes through spiral shell
Bar is simultaneously pressed on the large end face of planet carrier, and the second nut connect clamping platen with screw flight, and when clamping, inner conical drogue pushes opening
Spline housing spreading eliminates position gap automatically, improves machining accuracy.
On the basis of above-mentioned technical proposal, the multiple key core axial cone degree is 1:1000.
A kind of planet carrier, it is characterised in that：It is process by a kind of processing method of such as above-mentioned planet carrier.
The invention has the advantages that：It is positioned using splined hole, positioning datum is unified with design basis, and position has been effectively ensured
Precision is set, main precision ensures that human factor is seldom, quality stability by the equipment precision of high-accuracy clamp and machining center
It is high.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
A kind of embodiment of invention for those of ordinary skill in the art without creative efforts, can be with
Being extended according to the attached drawing of offer, acquisition is other to implement attached drawing.
Fig. 1：The structural schematic diagram of planet carrier of the present invention；
Fig. 2：The cross-sectional view of planet carrier of the present invention；
Fig. 3：Planet carrier of the present invention is inserted into the structural schematic diagram after high-precision taper spline mandrel；
Fig. 4：Structural schematic diagram after planet carrier splined hole and small end face positioning of the present invention；
Specific implementation mode
The invention will be further described with example below in conjunction with the accompanying drawings：
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, the orientation of the instructions such as term "inner", "outside" is all based on specification
What orientation shown in the drawings was defined, it is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply institute
The device or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this hair
Bright limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implying relative importance.
In the description of the present invention, it is to be understood that, term "left", "right", "front", "rear", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
As shown in Figures 1 to 4, the processing method of a kind of planet carrier of the present embodiment, which is characterized in that including walking as follows
Suddenly：
1) after planet carrier roughing, splined hole 1 of broaching on vertical broaching machine；
2) planet carrier is inserted on high-precision taper spline mandrel 2, leans on taper axial direction wedging, numerically controlled lathe is top to hold out against flower
Key mandrel both ends centre bore, smart car planet carrier small end face 3 ensure that small end face 3 and the beating degree of spline are no more than 0.03mm, simultaneously
Accurate benchmark is provided for postorder processing；Because positioning datum and design basis are unified (being all on the basis of splined hole), therefore can
It is no more than 0.03mm to ensure that end is jumped well；
3) small end face of planet carrier 3 is placed on bottom plate 8, is positioned with splined hole and small end face, be positioning base with splined hole 1
Standard, in vertical machining centre process 3 planetary gear mounting holes, 5,3 relative positions of itself of planetary gear mounting hole 5 by
Equipment precision ensures；
4) using splined hole 1 and small end face as positioning datum, the processing in 3 portions 4 of leaving a blank is completed.
Preferably, the concentricity for guarantee 3 planetary gear mounting holes 5 and spline reference circle is no more than It adopts
It is threadedly coupled with bottom plate 8 with inner conical drogue 6, high precision elastic opening spline housing 7 and screw rod 9, the bottom end of the screw rod 9, opening flower
Key set 7 is loaded in splined hole 1, and loaded in opening spline housing 7, the outer diameter face of the inner conical drogue 6 is and opening spline housing inner conical drogue 6
The back taper that 7 aperture surface matches, the first nut 10 are threadedly connected on screw rod 9 and compress inner conical drogue 6, and pressing plate 11 passes through spiral shell
Bar 9 is simultaneously pressed on the large end face 15 of planet carrier, and the second nut 12 is threadedly coupled clamping platen 11 with screw rod 9, when clamping, inner conical drogue
6 push opening 7 spreading of spline housing, eliminate position gap automatically, improve machining accuracy.5 diameter of planetary gear mounting hole can
For
Preferably, the multiple key core axial cone degree is 1:1000.
A kind of planet carrier, it is characterised in that：It is process by a kind of processing method of above-mentioned planet carrier.Preferably,
Planet carrier is QT600-3 materials.
A kind of processing unit (plant) of planet carrier, which is characterized in that including：Spline mandrel 2, inner conical drogue 6, elastic opening spline housing
7, bottom plate 8, screw rod 9, the first nut 10, pressing plate 11 and the second nut 12, the outer diameter face of the inner conical drogue 6 are and opening spline housing
There is taper, 9 bottom end of the screw rod to be threadedly coupled with bottom plate 8 for the back taper that 7 aperture surface matches, the spline mandrel 2, institute
It states in splined hole 1 of the opening spline housing 7 loaded on planet carrier, the inner conical drogue 6 is loaded in opening spline housing 7, first nut
10 are threadedly connected on screw rod 9 and compress 6 top surface of inner conical drogue, 9 top of the screw rod pass through pressing plate 11 and with 12 spiral shell of the second nut
Line connects, second nut, 12 clamping platen 11, and the pressing plate 11 compresses the large end face 15 of planet carrier.
The present invention is described by way of example above, but the present invention is not limited to above-mentioned specific embodiment, all to be based on
Any changes or modifications that the present invention is done belong to the scope of protection of present invention.
Claims (5)
1. a kind of processing method of planet carrier, which is characterized in that include the following steps：
1) after planet carrier roughing, splined hole of broaching on vertical broaching machine；
2) planet carrier is inserted on high-precision taper spline mandrel, leans on taper axial direction wedging, numerically controlled lathe is top to hold out against multiple key core
Axis both ends centre bore, smart car planet carrier small end face ensure that the beating degree of small end face and spline is no more than 0.03mm, while being postorder
Processing provides accurate benchmark；
3) small end face of planet carrier is placed on bottom plate, is positioned with splined hole and small end face 3, using splined hole as positioning datum,
3 planetary gear mounting holes, 4,3 planetary gear mounting hole relative positions of itself are processed in vertical machining centre by equipment essence
Degree ensures；
4) using splined hole and small end face as positioning datum, the processing in 3 portions of leaving a blank is completed.
2. a kind of processing method of planet carrier according to claim 1, it is characterised in that：To ensure 3 planetary gear peaces
Dress hole and the concentricity of spline reference circle are no more thanUsing inner conical drogue, high precision elastic opening spline housing and spiral shell
The bottom end of bar, the screw rod is connect with base thread, and opening spline housing 7 is loaded in splined hole, and inner conical drogue is loaded on opening spline housing
In, the outer diameter face of the inner conical drogue is the back taper to match with the aperture surface of opening spline housing, and the first nut thread is connected to
On screw rod and inner conical drogue is compressed, pressing plate passes through screw rod and is pressed on the large end face of planet carrier, and the second nut is connect with screw flight
Clamping platen, when clamping, inner conical drogue pushes opening spline housing spreading, eliminates position gap automatically, improves machining accuracy.
3. a kind of processing method of planet carrier according to claim 1 or 2, it is characterised in that：The multiple key core axial cone degree
It is 1:1000.
4. a kind of planet carrier, it is characterised in that：Its by a kind of planet carrier as described in claims 1 to 3 any one processing
Method is process.
5. a kind of processing unit (plant) of planet carrier, which is characterized in that including：Spline mandrel, inner conical drogue, elastic opening spline housing, bottom
Plate, screw rod, the first nut, pressing plate and the second nut, the outer diameter face of the inner conical drogue are to match with the aperture surface of opening spline housing
Suitable back taper, the spline mandrel have taper, and the screw rod bottom end connect with base thread, the opening spline package in
In the splined hole of planet carrier, loaded in opening spline housing, first nut thread is connected on screw rod and presses the inner conical drogue
Tight inner conical drogue top surface, the screw tip pass through pressing plate and are connect with the second nut thread, the second nut clamping platen, institute
State the large end face that pressing plate compresses planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877480.8A CN108788656B (en) | 2018-08-03 | 2018-08-03 | Processing method of planet carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877480.8A CN108788656B (en) | 2018-08-03 | 2018-08-03 | Processing method of planet carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108788656A true CN108788656A (en) | 2018-11-13 |
| CN108788656B CN108788656B (en) | 2023-06-23 |
Family
ID=64079269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810877480.8A Active CN108788656B (en) | 2018-08-03 | 2018-08-03 | Processing method of planet carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108788656B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434547A (en) * | 2019-08-12 | 2019-11-12 | 哈尔滨电机厂有限责任公司 | A kind of coaxial pin hole interference localization method of hydraulic turbine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009122495A1 (en) * | 2008-03-31 | 2009-10-08 | 平田機工株式会社 | Pin positioning jig and pin mounting apparatus |
| CN102179669A (en) * | 2011-03-29 | 2011-09-14 | 天津天重车轴制造有限公司 | Process for forging planet carrier |
| CN102878277A (en) * | 2012-10-26 | 2013-01-16 | 盛瑞传动股份有限公司 | Planet carrier welding assembly and processing technology thereof |
| CN203265804U (en) * | 2013-05-03 | 2013-11-06 | 重庆聚嘉机械有限公司 | Internal spline gear grinding clamping tool |
| CN105328422A (en) * | 2015-11-26 | 2016-02-17 | 宁波中大力德智能传动股份有限公司 | Planetary gear carrier drilling process of planetary gear speed reducer |
| CN108067692A (en) * | 2017-12-18 | 2018-05-25 | 中国航发贵州黎阳航空动力有限公司 | A kind of involute inner spline centering tensioning clamper |
| CN208913487U (en) * | 2018-08-03 | 2019-05-31 | 青岛华瑞汽车零部件股份有限公司 | A kind of processing unit (plant) of planet carrier |
-
2018
- 2018-08-03 CN CN201810877480.8A patent/CN108788656B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009122495A1 (en) * | 2008-03-31 | 2009-10-08 | 平田機工株式会社 | Pin positioning jig and pin mounting apparatus |
| CN102179669A (en) * | 2011-03-29 | 2011-09-14 | 天津天重车轴制造有限公司 | Process for forging planet carrier |
| CN102878277A (en) * | 2012-10-26 | 2013-01-16 | 盛瑞传动股份有限公司 | Planet carrier welding assembly and processing technology thereof |
| CN203265804U (en) * | 2013-05-03 | 2013-11-06 | 重庆聚嘉机械有限公司 | Internal spline gear grinding clamping tool |
| CN105328422A (en) * | 2015-11-26 | 2016-02-17 | 宁波中大力德智能传动股份有限公司 | Planetary gear carrier drilling process of planetary gear speed reducer |
| CN108067692A (en) * | 2017-12-18 | 2018-05-25 | 中国航发贵州黎阳航空动力有限公司 | A kind of involute inner spline centering tensioning clamper |
| CN208913487U (en) * | 2018-08-03 | 2019-05-31 | 青岛华瑞汽车零部件股份有限公司 | A kind of processing unit (plant) of planet carrier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434547A (en) * | 2019-08-12 | 2019-11-12 | 哈尔滨电机厂有限责任公司 | A kind of coaxial pin hole interference localization method of hydraulic turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108788656B (en) | 2023-06-23 |
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