CN108644338A - Mechanical single pendulum head speed changing structure for five axis Compositions of metal-working machines - Google Patents

Mechanical single pendulum head speed changing structure for five axis Compositions of metal-working machines Download PDF

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Publication number
CN108644338A
CN108644338A CN201810701038.XA CN201810701038A CN108644338A CN 108644338 A CN108644338 A CN 108644338A CN 201810701038 A CN201810701038 A CN 201810701038A CN 108644338 A CN108644338 A CN 108644338A
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CN
China
Prior art keywords
gear
shaft
input shaft
wheel
fixed
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CN201810701038.XA
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Chinese (zh)
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CN108644338B (en
Inventor
陈虎
侯延星
张传思
邵昭
段惠强
范春宏
时冬梅
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Kede Holding Co Ltd
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Kede Holding Co Ltd
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Classifications

    • 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
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a kind of mechanical single pendulum head speed changing structures being used for five axis Compositions of metal-working machines, including：First input shaft and the first output gear shaft are located at gear shaft side, second input shaft and the second output gear shaft are located at the gear shaft other side, and first pulley is fixed in first input shaft one end, and the other end fixes the first pinion gear, the second belt wheel is fixed in second input shaft one end, and the other end fixes the second pinion gear；The first gear wheel is fixed in first output gear shaft and the first input shaft connecting pin, and the second gear wheel is fixed in the second output gear shaft and the second input shaft connecting pin, and gear shaft fixes inertia gear wheel, duplex gear wheel, duplex pinion gear successively；Second pinion gear is engaged with inertia gear wheel, and the first pinion gear is engaged with duplex gear wheel, and the second gear wheel is engaged with duplex pinion gear, and the first gear wheel is engaged with gear shaft.Speed changing structure is compact, saves space, and in a limited space in improve output torque, high rigidity.

Description

Mechanical single pendulum head speed changing structure for five axis Compositions of metal-working machines
Technical field
The present invention relates to metal processing sectors more particularly to a kind of mechanical single pendulum head changes being used for five axis Compositions of metal-working machines Fast structure.
Background technology
Five axis Compositions of metal-working machines are the widely applied large-sized processing equipments of aerospace field, and yaw is that its is important Functional component realizes therefore efficient, the high-precision processing to workpiece proposes big torsion to yaw with other axis linkage motion cuttings Square, high rigidity, high-precision requirement.Currently, most of yaw volume is big, yaw torque is small in the confined space, low rigidity, if It is the yaw that torque motor directly drives, torque very little, calorific value are big.
Invention content
The present invention provides a kind of mechanical single pendulum head speed changing structure being used for five axis Compositions of metal-working machines, to overcome above-mentioned technology Problem.
A kind of mechanical single pendulum head speed changing structure being used for five axis Compositions of metal-working machines of the present invention, including：
First input shaft, the second input shaft, the first output gear shaft, the second output gear shaft, gear shaft, connection engine The first pulley of structure and the second belt wheel, the first input shaft length are more than the second input shaft, and the first output gear shaft length is less than Second output gear shaft；
First input shaft and first output gear shaft are located at the gear shaft side, second input shaft and Second output gear shaft is located at the gear shaft other side, and the first pulley is fixed in first input shaft one end, separately The first pinion gear is fixed in one end, and second belt wheel is fixed in second input shaft one end, and the other end fixes the second pinion gear；
First output gear shaft fixes the first gear wheel, second output gear with first input shaft connecting pin Wheel shaft fixes the second gear wheel with second input shaft connecting pin, and it is big that the gear shaft fixes inertia gear wheel, duplex successively Gear, duplex pinion gear；
Second pinion gear is engaged with the inertia gear wheel, and first pinion gear is nibbled with the duplex gear wheel It closes, second gear wheel is engaged with the duplex pinion gear, and first gear wheel is engaged with the gear shaft.Above-mentioned first Gear wheel, the second gear wheel radius be more than the radius of the first pinion gear, the second pinion gear and gear shaft, duplex gear wheel half Diameter is more than the radius of duplex pinion gear.
Further, the first pulley is fixedly connected on by expansion sleeve on the first input shaft, and second belt wheel is logical Expansion sleeve is crossed to be fixedly connected on the second input shaft.
Further, first input shaft, the second input shaft, the first output gear shaft, the second output gear shaft both sides End is all made of cylinder roller bearing support, and gear shaft both ends are supported using deep groove ball bearing.
Further, the first pinion gear is fixed on using key on the first input shaft, and the first gear wheel is fixed on by key On one output gear shaft, the second pinion gear is fixed on by key on the second input shaft, and the second gear wheel is fixed on output using key On long tooth wheel shaft, the inertia gear wheel is fixed on by key on the gear shaft, and the welding of duplex gear wheel duplex pinion gear is solid It is scheduled on together.
Machinery single pendulum head speed changing structure first of the invention inputs the length that shaft length is more than the second input shaft, the second pinion gear It is engaged with inertia gear wheel, the first pinion gear is engaged with duplex gear wheel, and the second gear wheel is engaged with duplex pinion gear, and first is big Gear is engaged with gear shaft, and speed changing structure is compact, saves space, and in a limited space in improve output torque, Gao Gang Property, meet the needs of such equipment is to yaw.
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 apparent that, the accompanying drawings in the following description is this hair Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is the mechanical single pendulum head speed changing structure schematic diagram that the present invention is used for five axis Compositions of metal-working machines.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the mechanical single pendulum head speed changing structure schematic diagram that the present invention is used for five axis Compositions of metal-working machines, as shown in Figure 1, The mechanical single pendulum head speed changing structure of the present embodiment may include：
First input shaft 5, the first output gear shaft 15, the second output gear shaft 12, gear shaft 14, connects second input shaft 7 First pulley 4, the second belt wheel 8 of actuating unit are connect, the first input shaft length is more than the second input shaft, the first output gear axial length Degree is less than the second output gear shaft；
First input shaft and first output gear shaft are located at the gear shaft side, second input shaft and Second output gear shaft is located at the gear shaft other side, and the first pulley is fixed in first input shaft one end, separately The first pinion gear 3 is fixed in one end, and second belt wheel is fixed in second input shaft one end, and the other end fixes the second pinion gear 9；
First output gear shaft fixes the first gear wheel 2, second output with first input shaft connecting pin The second gear wheel 11 is fixed in gear shaft and second input shaft connecting pin, the gear shaft 14 fix successively inertia gear wheel 6, Duplex gear wheel 10, duplex pinion gear 13；
Second pinion gear is engaged with the inertia gear wheel, and first pinion gear is nibbled with the duplex gear wheel It closes, second gear wheel is engaged with the duplex pinion gear, and first gear wheel is engaged with the gear shaft.
Specifically, power source is by inputting first pulley and the second belt wheel input power, first be set in babinet 1 Output gear shaft and the second output gear shaft export power.First output gear shaft makes with the second output gear shaft end without support Overall volume is compacter, while convenient for manufacture and installation.
Further, the first pulley is fixedly connected on by expansion sleeve 16 on the first input shaft, second belt wheel It is fixedly connected on the second input shaft by expansion sleeve 16.The first input shaft 5 and the second input shaft 7 is set to make by Expanding hub connection It makes and installs simply, the service life of expansion sleeve is long.The present embodiment uses expansion sleeve fixed pulley, improves fixed pulley and defeated Enter the accuracy of alignment between axis；Facilitate installation/adjustment/dismounting of belt wheel；The intensity for realizing belt wheel is high, and connective stability can It leans on；Equipment can be protected without damage in overload, be particularly suitable for transmitting heavy loads.
Further, the first input shaft, the second input shaft, the first output gear shaft, the second output gear shaft both side ends It is all made of cylinder roller bearing support, gear shaft both ends are supported using deep groove ball bearing.
Specifically, cylinder roller bearing internal structure is in arranged in parallel using roller, interval holding is housed between roller Device or spacing block can prevent phase mutual friction between the inclination or roller of roller, effectively prevent the increase of rotation torque.For Keep stable drive reliable, the input long axis, input minor shaft, output short tooth wheel shaft, output long tooth wheel shaft both side ends are adopted It is supported with cylinder roller bearing.Gear shaft both ends are supported using deep groove ball bearing.
Further, the first pinion gear is fixed on using key on the first input shaft, and the first gear wheel is fixed on by key On one output gear shaft, the second pinion gear is fixed on by key on the second input shaft, and the second gear wheel is fixed on output using key On long tooth wheel shaft, the inertia gear wheel is fixed on by key on the gear shaft, and the welding of duplex gear wheel duplex pinion gear is solid It is scheduled on together.
Specifically, duplex gear wheel is fixed together and is rotated around gear shaft with duplex pinion gear.
The operation principle of mechanical single pendulum head speed changing structure of the five axis Compositions of metal-working machines of the present invention is：
The power for being inputted power source by first pulley and the second belt wheel drives the first input shaft to rotate, and the first pinion gear is nibbled Transmission duplex gear wheel is closed, which drives duplex pinion gear, duplex pinion gear second gear wheel of engaged transmission, from And it completes power and is exported from the second output gear shaft.
The power for being inputted power source by first pulley and the second belt wheel drives the second input shaft to rotate, on the second input shaft The second pinion gear engaged with idle pulley gear wheel, gear shaft and the first gear wheel engaged transmission, cause export the first short tooth wheel shaft Export power.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (4)

1. a kind of mechanical single pendulum head speed changing structure being used for five axis Compositions of metal-working machines, which is characterized in that including：
First input shaft, the first output gear shaft, the second output gear shaft, gear shaft, connects actuating unit at the second input shaft First pulley and the second belt wheel, the first input shaft length are more than the second input shaft, and the first output gear shaft length is less than second Output gear shaft；
First input shaft and first output gear shaft are located at the gear shaft side, second input shaft and described Second output gear shaft is located at the gear shaft other side, and the first pulley, the other end are fixed in first input shaft one end The first pinion gear is fixed, second belt wheel is fixed in second input shaft one end, and the other end fixes the second pinion gear；
First output gear shaft fixes the first gear wheel, second output gear shaft with first input shaft connecting pin Fix the second gear wheel with second input shaft connecting pin, the gear shaft fix successively inertia gear wheel, duplex gear wheel, Duplex pinion gear；
Second pinion gear is engaged with the inertia gear wheel, and first pinion gear is engaged with the duplex gear wheel, institute It states the second gear wheel to engage with the duplex pinion gear, first gear wheel is engaged with the gear shaft.
2. machinery single pendulum head speed changing structure according to claim 1, which is characterized in that the first pulley passes through expansion sleeve It is fixedly connected on the first input shaft, second belt wheel is fixedly connected on by expansion sleeve on the second input shaft.
3. machinery single pendulum head speed changing structure according to claim 1, which is characterized in that first input shaft, second defeated Enter axis, the first output gear shaft, the second output gear shaft both side ends and be all made of cylinder roller bearing support, gear shaft both ends are adopted It is supported with deep groove ball bearing.
4. machinery single pendulum head speed changing structure according to claim 1, which is characterized in that the first pinion gear is fixed on using key On first input shaft, the first gear wheel is fixed on by key on the first output gear shaft, and the second pinion gear is fixed on by key On two input shafts, the second gear wheel is fixed on using key on output long tooth wheel shaft, and the inertia gear wheel is fixed on institute by key It states on gear shaft, duplex gear wheel duplex pinion gear is welded and fixed together.
CN201810701038.XA 2018-06-29 2018-06-29 Mechanical single-swing-head speed change structure for five-axis composite machining center Active CN108644338B (en)

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Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB616474A (en) * 1946-09-05 1949-01-21 John Thomas Naylor Improvements relating to variable speed gears
DE1223649B (en) * 1959-07-06 1966-08-25 Smidth & Co As F L Two-way transmission
US3824875A (en) * 1973-05-21 1974-07-23 Egan Machinery Co Drive for twin screw extruder
FR2220028A1 (en) * 1973-03-01 1974-09-27 Westinghouse Electric Corp
GB1515271A (en) * 1974-08-09 1978-06-21 Newage Engineers Ltd Variable-speed gear transmission
JP2002161957A (en) * 2000-11-27 2002-06-07 Nissan Motor Co Ltd Toroidal type continuously variable transmission
US20020173399A1 (en) * 2001-05-21 2002-11-21 Honda Giken Kogyo Kabushiki Kaisha Automotive automatic transmission
US20040237680A1 (en) * 2001-10-19 2004-12-02 Rolf Burkle Gearbox embodied with a layshaft
CN101007388A (en) * 2007-01-24 2007-08-01 大连光洋科技工程有限公司 Milling head with simple pendulum based on single axis
CN101012857A (en) * 2007-01-24 2007-08-08 大连光洋科技工程有限公司 Hydraulic expanding sleeve locking mechanism
US20080184846A1 (en) * 2007-02-05 2008-08-07 Eaton Corporation Multiple-ratio dual clutch vehicle transmission
JP2009154610A (en) * 2007-12-25 2009-07-16 Toyota Motor Corp Multi-clutch type transmission
US20100062895A1 (en) * 2006-12-22 2010-03-11 Mci (Mirror Controls International) Netherlands B.V. Reduction mechanism
DE102011007320A1 (en) * 2011-04-13 2012-10-18 Kessler & Co Gmbh & Co.Kg Wheel drive for vehicle, comprises single-stage planetary gear with wheel-side planetary carrier, which is arranged in wheel hub, stationary ring gear, and sun gear, which is driven by input shaft
CN102873573A (en) * 2012-10-12 2013-01-16 江苏新瑞重工科技有限公司 Strong five-shaft linked swing head mechanism of large-power electric spindle
EP2873890A1 (en) * 2013-11-15 2015-05-20 Volvo Car Corporation Dependency transmission
CN105081437A (en) * 2015-09-07 2015-11-25 燕山大学 Planetary gear transmission type A/C double-swing-angle milling head
FR3023200A1 (en) * 2014-07-04 2016-01-08 Air Liquide Welding France DEVICE FOR WELDING WELDING DEVICE WITH EPICYCLOID GEAR SPEED REDUCER
KR20160026953A (en) * 2016-02-22 2016-03-09 명지대학교 산학협력단 Wire reduction gear
JP2016053412A (en) * 2014-07-16 2016-04-14 本田技研工業株式会社 transmission
DE102015112252A1 (en) * 2015-07-28 2017-02-02 Saf-Holland Gmbh Transmission housing and gear unit
DE102015120356A1 (en) * 2015-11-25 2017-06-01 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Multi-step transmission for a motor vehicle
CN107914150A (en) * 2017-12-29 2018-04-17 科德数控股份有限公司 A kind of positioning accuracy adjustment structure of horizontal five axis Compositions of metal-working machines
CN208417438U (en) * 2018-06-29 2019-01-22 科德数控股份有限公司 Mechanical single pendulum head speed changing structure for five axis Compositions of metal-working machines
US20190291567A1 (en) * 2016-10-31 2019-09-26 Byd Company Limited Power transmission system and vehicle having same

Patent Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB616474A (en) * 1946-09-05 1949-01-21 John Thomas Naylor Improvements relating to variable speed gears
DE1223649B (en) * 1959-07-06 1966-08-25 Smidth & Co As F L Two-way transmission
FR2220028A1 (en) * 1973-03-01 1974-09-27 Westinghouse Electric Corp
US3824875A (en) * 1973-05-21 1974-07-23 Egan Machinery Co Drive for twin screw extruder
GB1515271A (en) * 1974-08-09 1978-06-21 Newage Engineers Ltd Variable-speed gear transmission
JP2002161957A (en) * 2000-11-27 2002-06-07 Nissan Motor Co Ltd Toroidal type continuously variable transmission
US20020173399A1 (en) * 2001-05-21 2002-11-21 Honda Giken Kogyo Kabushiki Kaisha Automotive automatic transmission
US20040237680A1 (en) * 2001-10-19 2004-12-02 Rolf Burkle Gearbox embodied with a layshaft
US20100062895A1 (en) * 2006-12-22 2010-03-11 Mci (Mirror Controls International) Netherlands B.V. Reduction mechanism
CN101012857A (en) * 2007-01-24 2007-08-08 大连光洋科技工程有限公司 Hydraulic expanding sleeve locking mechanism
CN101007388A (en) * 2007-01-24 2007-08-01 大连光洋科技工程有限公司 Milling head with simple pendulum based on single axis
US20080184846A1 (en) * 2007-02-05 2008-08-07 Eaton Corporation Multiple-ratio dual clutch vehicle transmission
JP2009154610A (en) * 2007-12-25 2009-07-16 Toyota Motor Corp Multi-clutch type transmission
DE102011007320A1 (en) * 2011-04-13 2012-10-18 Kessler & Co Gmbh & Co.Kg Wheel drive for vehicle, comprises single-stage planetary gear with wheel-side planetary carrier, which is arranged in wheel hub, stationary ring gear, and sun gear, which is driven by input shaft
CN102873573A (en) * 2012-10-12 2013-01-16 江苏新瑞重工科技有限公司 Strong five-shaft linked swing head mechanism of large-power electric spindle
EP2873890A1 (en) * 2013-11-15 2015-05-20 Volvo Car Corporation Dependency transmission
FR3023200A1 (en) * 2014-07-04 2016-01-08 Air Liquide Welding France DEVICE FOR WELDING WELDING DEVICE WITH EPICYCLOID GEAR SPEED REDUCER
JP2016053412A (en) * 2014-07-16 2016-04-14 本田技研工業株式会社 transmission
DE102015112252A1 (en) * 2015-07-28 2017-02-02 Saf-Holland Gmbh Transmission housing and gear unit
CN105081437A (en) * 2015-09-07 2015-11-25 燕山大学 Planetary gear transmission type A/C double-swing-angle milling head
DE102015120356A1 (en) * 2015-11-25 2017-06-01 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Multi-step transmission for a motor vehicle
KR20160026953A (en) * 2016-02-22 2016-03-09 명지대학교 산학협력단 Wire reduction gear
US20190291567A1 (en) * 2016-10-31 2019-09-26 Byd Company Limited Power transmission system and vehicle having same
CN107914150A (en) * 2017-12-29 2018-04-17 科德数控股份有限公司 A kind of positioning accuracy adjustment structure of horizontal five axis Compositions of metal-working machines
CN208417438U (en) * 2018-06-29 2019-01-22 科德数控股份有限公司 Mechanical single pendulum head speed changing structure for five axis Compositions of metal-working machines

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FENG GAO ET AL: "Automatic control method research on pendulum speed of roadheader\'s cutting arm", IEEE, pages 4789 - 4791 *
刘诗汉;王新军;: "用于异面轴线间旋转运动传递的连杆机构设计", 新技术新工艺, no. 04, pages 46 - 48 *
房立金;孙龙飞;许继谦;: "提高机器人结构刚度及关节精度的方法", 航空制造技术, no. 04, pages 30 - 36 *

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