CN107498406B - A kind of differential headstock - Google Patents
A kind of differential headstock Download PDFInfo
- Publication number
- CN107498406B CN107498406B CN201710684835.7A CN201710684835A CN107498406B CN 107498406 B CN107498406 B CN 107498406B CN 201710684835 A CN201710684835 A CN 201710684835A CN 107498406 B CN107498406 B CN 107498406B
- Authority
- CN
- China
- Prior art keywords
- honing
- gear shaft
- core bar
- gear
- driving wheel
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
Abstract
A kind of differential headstock includes differential headstock outer case, and the top of outer case is equipped with mill bar box part, lower part is equipped with planetary mechanism；Mill bar box part is used for the synchronous rotation of honing lever and core bar, and planetary mechanism is used for the relative rotation of honing lever and core bar.Differential headstock, in main shaft rotary course, core bar is in company with honing lever synchronous rotary.When needing to change honing area of bed and changing the pressure of honing head and workpiece, servo motor drives differential attachment, so that core bar and honing lever relatively rotate, according to the signal of setting and honing pressure rotary angle.In normal honing process, the servo motor of differential attachment is driven to stop working, honing lever drives honing head rotation, and core bar is rotated with honing lever at this time.Differential attachment is realized by planetary gear train.Honing pressure can be accurately controlled compared with traditional Honing process, machining accuracy is reliable and stable, its research and development success, the technique for processing Deep-hole Grouting has been increased to a new level.
Description
Technical field
The present invention relates to field of machining and machinebuilding technology, especially a kind of differential headstock.
Background technique
The interior hole machined of current some cylinder barrels for example, gun barrel, gun tube etc. need to use Honing process technique.Traditional honing
Machining spindle box back connects a hydraulic cylinder, by mandril inside oil cylinder pushing honing head come work.This Honing process
Have shortcoming: 1, universal honing head does not have universal effect after mandril is held out against；2, hydraulic cylinder is with a constant power
It is applied on inner hole wall, due to the buffering of hydraulic oil, honing pressure cannot be changed in real time.With the development of servo control technique,
It is possibly realized using the pressure of servo motor real-time control honing head and workpiece inner wall.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of differential headstock, for realizing the top gem of a girdle-pendant
Pressure real-time control during mill, thus guarantee that processing hole size is consistent, it is bright in processing efficiency, machining accuracy and stability
It is aobvious to improve.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of differential headstock, includes differential headstock outer case, and the top of outer case is equipped with mill bar box part, lower part
Equipped with planetary mechanism；Mill bar box part is used for the synchronous rotation of honing lever and core bar, and planetary mechanism is for honing lever and core bar
It relatively rotates.
The synchronous rotation of honing lever and core bar: in mill bar box part, main motor is connected to the front end of I gear shaft, I tooth
The gear of the middle-end of wheel shaft is connected to the first driving wheel of Section II gear shaft；First driven wheel of Section II gear shaft is connected to the IIIth
The second driving wheel on gear shaft；The second driven wheel on IIIth gear shaft is connected to the third driving wheel on core bar gear shaft；
Core bar gear shaft is linked into an integrated entity with honing lever by the first universal coupling and is outputed power；At this point, core bar driving motor is not
Rotation, is in fixed state together with the 4th driven wheel on V gear shaft, the 4th driving wheel, Section VII gear shaft.
The relative rotation of honing lever and core bar: servo motor drives the rotation of V gear shaft, and the 4th on V gear shaft is main
Driving wheel is connected to the driving wheel of Section VII gear shaft；The driven wheel of Section VII gear shaft is connected to the driving wheel on core bar gear shaft,
Second gear on core bar gear shaft is connected to the driving wheel on Section VI gear shaft；Core bar gear shaft passes through the first universal coupling
It links into an integrated entity and outputs power with honing lever.
Honing lever both ends are fixed via ring flange, and internal core bar left end is connected to third universal coupling, right end connection
In connecting rod, connecting rod is rotated via the second universal coupling driving spool gear, and spool gear passes through gear and rack teeth mechanism sliding tooth
Stick is moved along the inner hole of honing frame, to drive hone stone radial motion.
The present invention compared to the prior art, the advantage is that:
The differential headstock of this programme, in main shaft rotary course, core bar is in company with honing lever synchronous rotary.When needing to change the top gem of a girdle-pendant
Bistrique size is when changing the pressure of honing head and workpiece, and servo motor drives differential attachment, so that core bar is opposite with honing lever
Rotation, according to the signal of setting and honing pressure rotary angle.In normal honing process, the servo motor of differential attachment is driven
It stops working, honing lever drives honing head rotation, and core bar is rotated with honing lever at this time.Differential attachment passes through planetary gear train reality
It is existing.
The differential headstock of this programme is applied to lead by the deep hole machining of representative of cylinder tube bore area Honing process
Domain；Applied to the precision machined inner hole of cylinder barrel；It adjusts honing pressure in real time by servo motor, guarantees the one of Hole honing size
It causes；Honing pressure is adjusted by working method described above；According to different workpiece materials and heat treatment situation, choosing
Reasonable cutting parameter is selected, to guarantee the best use effect of honing.
The differential headstock category domestic initiation of this programme, can accurately control honing pressure compared with traditional Honing process
Power, machining accuracy is reliable and stable, its research and development success, the technique for processing Deep-hole Grouting has been increased to a new level.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the general structure schematic diagram of differential headstock of the present invention；
Fig. 2 is the structural schematic diagram of mill bar case of the present invention；
Fig. 3 is the structural schematic diagram of planetary mechanism of the present invention；
Fig. 4 is the structural schematic diagram of honing head of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
A kind of differential headstock, includes differential headstock outer case, and the top of outer case is equipped with mill bar box part, lower part
Equipped with planetary mechanism；Mill bar box part is used for the synchronous rotation of honing lever and core bar 15, and planetary mechanism is used for honing lever and core bar
15 relative rotation.
The synchronous rotation of honing lever and core bar 15: in mill bar box part, main motor 1 is connected to the front end of I gear shaft 2,
The gear 3 of the middle-end of I gear shaft 2 is connected to the first driving wheel 4 of Section II gear shaft 5；First driven wheel of Section II gear shaft 5
6 are connected to the second driving wheel 7 on the IIIth gear shaft 9；The second driven wheel 8 on IIIth gear shaft 9 is connected to core bar gear shaft
Third driving wheel 10 on 48；Core bar gear shaft 48 is linked into an integrated entity with honing lever 14 by power by the first universal coupling 12
Output；At this point, core bar driving motor 28 does not rotate, together on V gear shaft 45, the 4th driving wheel 43, Section VII gear shaft
Four driven wheels 39 are in fixed state.
The relative rotation of honing lever and core bar 15: servo motor 28 drives V gear shaft 45 to rotate, on V gear shaft 45
The 4th driving wheel 43 be connected to the driving wheel of Section VII gear shaft 49；4th driven wheel 39 of Section VII gear shaft 49 is connected to core
Driving wheel 36 on bar gear shaft 48, the second gear 35 on core bar gear shaft 48 are connected to the driving wheel on Section VI gear shaft 46
47；Core bar gear shaft 48 is linked into an integrated entity with honing lever 14 by the first universal coupling 12 and is outputed power.
14 both ends of honing lever are fixed via ring flange 16, internal 15 left end of core bar be connected to third universal coupling 13,
Right end is connected to connecting rod 27, and connecting rod 27 is rotated via the second universal coupling 26 driving spool gear 24, and spool gear 24 passes through
Gear and rack teeth mechanism driving rack 22 is moved along the inner hole of honing frame 23, to drive 21 radial motion of hone stone.
The number of teeth of gear 3 is Z=21, and the number of teeth of the first driving wheel 4 is Z=45, and the number of teeth of the first driven wheel 6 is Z=21, the
The number of teeth of two driving wheels 7 is Z=45, and the number of teeth of the second driven wheel 8 is Z=22, and the number of teeth of third driving wheel 10 is Z=48, and the 4th is main
The number of teeth of driving wheel 43 is Z=33, and the number of teeth of the 4th driven wheel 39 is Z=70.
The transmission of first gear 41 and second gear 35 is fixed shaft gear train, Z35=18, Z47=18, Z46=12, Z36=24, Z37=
36, Z38=9, Z40=15, Z41=30, transmission ratio are as follows:=1, i.e. Section IV gear shaft and core bar
Angle displacement does not occur for 15 synchronous rotaries, the two.
Planet carrier by the 4th driven wheel 39 as planetary gear train, Z39=70, Z43=33, Z46=12, Z36=24, Z35=18, Z47
=18, then the transmission ratio of planetary gear train:=2,=70/23。
A kind of detailed method of operation of differential headstock, comprising the following steps:
Step 1: differential headstock transverse shifting drives honing head to enter inner hole of workpiece；
Step 2: servo motor 28 drives honing head expansion, passes through 28 moment of torsion control honing pressure of servo motor；
Step 3: main motor starting, honing head move back and forth carry out Honing process, in this process, servo motor according to
The honing torque of setting, that is, honing pressure rotates forward, inverts or stops；
Step 4: starting according to servo motor 28 after the honing EP (end of program) of setting, honing head diameter dimension reduces；
Step 5: honing terminates.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so the above description is only an embodiment of the present invention,
It is not intended to limit scope of patent protection of the invention, it is all to utilize equivalent structure made by description of the invention and accompanying drawing content
Or equivalent process transformation, being applied directly or indirectly in other relevant technical fields, similarly includes in patent of the invention
Within protection scope.
Claims (4)
1. a kind of differential headstock includes differential headstock outer case, which is characterized in that the top of outer case is equipped with mill bar case
Partially, lower part is equipped with planetary mechanism；Mill bar box part is used for the synchronous rotation of honing lever and core bar (15), and planetary mechanism is used for the top gem of a girdle-pendant
The relative rotation of mill bar and core bar (15)；
The synchronous rotation of honing lever and core bar (15): in mill bar box part, before main motor (1) is connected to I gear shaft (2)
End, the gear (3) of the middle-end of I gear shaft (2) are connected to the first driving wheel (4) of Section II gear shaft (5)；Section II gear shaft
(5) the first driven wheel (6) is connected to the second driving wheel (7) on the IIIth gear shaft (9)；Second on IIIth gear shaft (9)
Driven wheel (8) is connected to the third driving wheel (10) on core bar gear shaft (48)；Core bar gear shaft (48) is universal by first
Joint (12) links into an integrated entity with honing lever (14) and outputs power；At this point, core bar driving motor (28) does not rotate, together with V
Gear shaft (45), the 4th driving wheel (43), the 4th driven wheel (39) on Section VII gear shaft are in fixed state；
The relative rotation of honing lever and core bar (15): servo motor (28) drives V gear shaft (45) rotation, V gear shaft
(45) the 4th driving wheel (43) on is connected to the driving wheel of Section VII gear shaft (49)；The 4th of Section VII gear shaft (49) is driven
Wheel (39) is connected to the driving wheel (36) on core bar gear shaft (48), and the second gear (35) on core bar gear shaft (48) is connected to
Driving wheel (47) on Section VI gear shaft (46)；Core bar gear shaft (48) passes through the first universal coupling (12) and honing lever (14)
It links into an integrated entity and outputs power；
Honing lever (14) both ends are fixed via ring flange (16), and internal core bar (15) left end is connected to third universal coupling
(13), right end is connected to connecting rod (27), and connecting rod (27) is rotated via the second universal coupling (26) driving spool gear (24),
Spool gear (24) is moved by gear and rack teeth mechanism driving rack (22) along the inner hole of honing frame (23), to drive hone stone
(21) radial motion.
2. differential headstock according to claim 1, which is characterized in that the number of teeth of gear (3) is Z=21, the first driving wheel
(4) the number of teeth is Z=45, and the number of teeth of the first driven wheel (6) is Z=21, and the number of teeth of the second driving wheel (7) is Z=45, and second is driven
The number of teeth for taking turns (8) is Z=22, and the number of teeth of third driving wheel (10) is Z=48, and the number of teeth of the 4th driving wheel (43) is Z=33, the 4th
The number of teeth of driven wheel (39) is Z=70.
3. differential headstock according to claim 1, which is characterized in that the biography of first gear (41) and second gear (35)
It moves as fixed shaft gear train, Z35=18, Z47=18, Z46=12, Z36=24, Z37=36, Z38=9, Z40=15, Z41=30, transmission ratio are as follows:=1, i.e. Section IV gear shaft and core bar (15) synchronous rotary, the two does not occur
Angle displacement.
4. differential headstock according to claim 1, which is characterized in that by the 4th driven wheel (39) as planetary gear train
Planet carrier, Z39=70, Z43=33, Z46=12, Z36=24, Z35=18, Z47=18, then the transmission ratio of planetary gear train:=2,=70/23。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684835.7A CN107498406B (en) | 2017-08-11 | 2017-08-11 | A kind of differential headstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684835.7A CN107498406B (en) | 2017-08-11 | 2017-08-11 | A kind of differential headstock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107498406A CN107498406A (en) | 2017-12-22 |
| CN107498406B true CN107498406B (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710684835.7A Active CN107498406B (en) | 2017-08-11 | 2017-08-11 | A kind of differential headstock |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2129667Y (en) * | 1992-04-21 | 1993-04-14 | 中国人民解放军装甲兵工程学院 | Deep hole grinding tool |
| JP3974363B2 (en) * | 2001-09-19 | 2007-09-12 | トーヨーエイテック株式会社 | Internal surface processing method and apparatus |
| CN200981192Y (en) * | 2006-12-18 | 2007-11-28 | 苏州信能精密机械有限公司 | Digital control deep hole honing machine feeding mechanism |
| CN201132231Y (en) * | 2007-12-29 | 2008-10-15 | 中冶南方(武汉)重工制造有限公司 | Dual-purpose borer for deep drilling and honing |
| CN101214631B (en) * | 2008-01-09 | 2010-07-14 | 苏州信能精密机械有限公司 | Main axle servo feeding mechanism for numerically controlled deep borehole honing machine |
| CN201283436Y (en) * | 2008-01-15 | 2009-08-05 | 德州普利森机械制造有限公司 | Numerical control deep hole drilling borer |
| CN201405259Y (en) * | 2009-06-02 | 2010-02-17 | 于伟忱 | Numerical control horizontal honing machine |
| US8523727B2 (en) * | 2010-01-14 | 2013-09-03 | Michael L. Valesh | Multi ratio drive |
| CN202097650U (en) * | 2011-05-24 | 2012-01-04 | 于伟忱 | Numeric-control horizontal honing machine |
| CN202556059U (en) * | 2012-03-16 | 2012-11-28 | 德州普利森机床有限公司 | Deep-hole machining cutting tool |
| CN203031431U (en) * | 2012-12-13 | 2013-07-03 | 戴利收 | Honing machine |
| CN104806722B (en) * | 2015-04-29 | 2017-03-22 | 东北大学 | Double-pendulum head structure driven by differential double motors |
| CN105414566A (en) * | 2015-12-25 | 2016-03-23 | 武汉赛特曼机电技术发展有限公司 | Differential spindle box of vertical lathe |
-
2017
- 2017-08-11 CN CN201710684835.7A patent/CN107498406B/en active Active
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| CN107498406A (en) | 2017-12-22 |
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