CN102240910A - Mechanical type numerical control double-shaft turntable device - Google Patents
Mechanical type numerical control double-shaft turntable device Download PDFInfo
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- CN102240910A CN102240910A CN201110182867XA CN201110182867A CN102240910A CN 102240910 A CN102240910 A CN 102240910A CN 201110182867X A CN201110182867X A CN 201110182867XA CN 201110182867 A CN201110182867 A CN 201110182867A CN 102240910 A CN102240910 A CN 102240910A
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Abstract
The invention relates to a mechanical type numerical control double-shaft turntable device which comprises a turntable C shaft, an A shaft driving end and an A shaft support end, wherein by being matched with a bore bearing of an A shaft, two ends of the turntable C shaft are respectively fixed on the A shaft driving end and the A shaft support end. The A shaft driving end and the turntable C shaft are respectively used for driving the A shaft to rotate by virtue of respective servo motors, transmission gear retarding mechanisms and cam pair retarding and clearance-eliminating mechanisms. An eccentric mechanism can be used for adjusting a gear centre distance, thereby realizing the gear back lash between transmission parts of the A and C shafts. The eccentric mechanism can be used for adjusting a cam pair centre distance, thereby realizing the back lash between cam input and cam output shafts of the A and C shafts. The A and C shafts can be indexed, positioned and self-locked at any angle. The mechanical type numerical control double-shaft turntable device can be used for eliminating a reverse clearance of the numerical control double-shaft turntable under the effect of adjustment. The mechanical type numerical control double-shaft turntable device is conveniently processed and assembled and is good in precision-keeping property.
Description
Technical field
The invention relates to a kind of mechanical type numerical control double axle table equipment that is applied to the numerical control five-axle machining center.
Background technology
Most mechanical type numerical control double axle tables servomotor in application process all passes through travelling gear or worm and gear transmission, reducing gear carry-over moment again by synchronous pulley, and the numerical control double axle table is difficult to realize hi-Fix.
Meshing backlass impacts and can't avoid the indexing accuracy of turntable on the driving-chain of travelling gear, worm and gear twin shaft numerical control rotating platform, for reducing influence to the turntable precision, generally the method for Cai Yonging is to adopt gradually thick worm screw of two pitch airscrew or the binary worm screw crack that disappears, but these two kinds of method shortcomings are: in the machining worm process to the requirement on machining accuracy strictness; Numerical control double axle table pretension in the Installation and Debugging process requires high; Monodentate engagement sideshake in assembling back can not be regulated, and worm geared backlass is excessive; Travelling gear, worm and gear transmission sideshake are reserved too small meeting and produce a large amount of heats in the turntable runnings, and odontotripsis, flank of tooth gummed phenomenon is serious.
Because serious wear is used in travelling gear, worm and gear transmission for a long time, these reducing gears are because its structural limitations backlass is difficult to adjustment, numerical control double axle table long-time running deterioration in accuracy.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the invention provides a kind of mechanical double Shaft and NC Machining Test turntable that can effectively eliminate numerical control double axle table backlass, precision stability can be good.
The purpose of the invention is achieved through the following technical solutions: mechanical type numerical control double axle table equipment, it is characterized in that: comprise turntable C axle 2, A axle drive end 3, A axle support end 4, the two ends of turntable C axle 2 are by cooperating with A axis hole axle, be separately fixed on A axle support end 4 and the A axle drive end 3, A axle drive end 3 drives the A axle by servomotor 3.1, transmission gear speed reducer structure, the secondary deceleration of cam and anti-backlash mechanism and rotates; Turntable C axle 2 slows down by servomotor 2.1, transmission gear speed reducer structure, cam and anti-backlash mechanism drives the rotation of A axle.
Described A axle support end 4 is fixed on the supporting seat 4.3 by crossed roller bearing 4.1 outer rings, and by bonnet 4.4 lockings; Crossed roller bearing 4.1 inner rings are by locking nut 4.5 lockings; Crossed roller bearing 4.1 inner rings 4.2 cooperate rotation with axle, and spools 4.2 cooperate with the hole of turntable C axle box 2.10, and turntable C axle box 2.10 passes through adpting flange 3.12 and links to each other with A axle drive end 3 and swing around the A axis; Turntable C pillow block face 2.9 is connected with turntable C axle box 2.10 with cylindrical roller 2.14 by outer race 2.11 and the platform C axis rotation that rotates.
The transmission gear speed reducer structure of described A axle drive end is made of three travelling gears 3.2,3.3,3.4; Secondary deceleration of the cam of A axle drive end and anti-backlash mechanism are made of cam power shaft 3.5, cam output shaft 3.6 needle bearings 3.7, needle bearing adjustment screw 3.8, A axle box 3.9; The servomotor 3.1 of A axle drive end is by three travelling gears 3.2,3.3,3.4 moment is passed to cam power shaft 3.5, cam output shaft 3.6 is equipped with needle bearing 3.7, needle bearing is housed on needle bearing 3.7 adjusts screw 3.8, travelling gear 3.2 is fixed on the servomotor 3.1, travelling gear 3.3 is fixed on the eccentric bushing 3.11, travelling gear 3.4 is fixed on the eccentric bushing 3.10, wherein servomotor 3.1 is radially adjustable, can adjust travelling gear 3.2,3.3 centre-to-centre spacing, eccentric bushing 3.11 can be adjusted travelling gear 3.3 by rotating around eccentric part, 3.4 centre-to-centre spacing; Cam power shaft 3.5 changes centre distances with cam output shaft 3.6 by eccentric bushing 3.10 off-centre.
The transmission gear speed reducer structure of described turntable C axle is made of three travelling gears 2.2,2.3,2.4; The cam deceleration of turntable C axle and anti-backlash mechanism are by cam power shaft 2.5, and the output shaft 2.6 of cam, needle bearing 2.7, needle bearing are adjusted screw 2.8 and constituted; The servomotor 2.1 of turntable C axle passes to cam power shaft 2.5 by three travelling gears 2.2,2.3,2.4 with moment, on the output shaft 2.6 of cam needle bearing 2.7 is housed, and needle bearing is housed on needle bearing 2.7 adjusts screw 2.8; Travelling gear 2.2 is fixed on the servomotor 2.1, travelling gear 2.3 is fixed on the eccentric bushing 2.12, travelling gear 2.4 is fixed on the eccentric bushing 2.13, wherein servomotor 2.1 is radially adjustable, can adjust travelling gear 2.2,2.3 centre-to-centre spacing, eccentric bushing 2.12 can be adjusted travelling gear 2.3,2.4 centre-to-centre spacing by rotating around eccentric part; Cam power shaft 2.5 changes centre distances with cam output shaft 2.6 by eccentric bushing 2.13 off-centre.
The beneficial effect of the invention: said structure is adopted in the invention, A, C diaxon running part gear backlash can be adjusted gear centre apart from realization by eccentric stiffener, and A, the input of C two axis cams can be adjusted the cam sub-center apart from realization by eccentric stiffener with cam output shaft back lash.A, C diaxon can arbitrarily angled calibration, location, self-locking; This equipment can be eliminated numerical control double axle table backlass by adjusting; The equipment process and assemble is convenient; Precision stability can be good.Servomotor is installed in A axle, turntable C axle hollow box body inside respectively, and servomotor separates with the external world, and compact conformation has prevented that effectively foreign matters such as iron filings and smear metal liquid from entering transmission mechanism.
Description of drawings
Fig. 1 is the structural representation that the mechanical type numerical control double axle table is applied to five machining centers.
Fig. 2 is the structural representation of mechanical type numerical control double axle table.
Fig. 3 is a mechanical type numerical control double axle table C axle construction schematic diagram.
Fig. 4 is the structural representation of mechanical type numerical control double axle table A axle drive end.
Fig. 5 is the structural representation of mechanical type numerical control double axle table A axle support end.
The specific embodiment
Below in conjunction with the specific embodiment the invention is described in further detail.
The mechanical type numerical control double axle table comprises turntable C axle 2, A axle drive end 3, A axle support end 4, is fixed on by screw on the lathe bed 1 of machining center.Turntable C axle 2 two ends, are separately fixed on A axle support end 4 and the A axle drive end 3 by screw lock by cooperating with A axis hole axle; A axle support end 4 supports turntable C axle 2 rotatably with A axle drive end 3, wherein A axle support end 4 is fixed on the supporting seat 4.3 by crossed roller bearing 4.1 outer rings, crossed roller bearing 4.1 inner rings are locked by locking nut, crossed roller bearing 4.1 inner rings cooperate rotation with axle 4.2,4.1 of crossed roller bearings cooperate with turntable C axle box body opening, and turntable C axle box 2.10 links to each other with A axle drive end 3 by adpting flange 3.12 and swings around the A axis; Turntable C pillow block face 2.9 is connected with turntable C axle box 2.10 with cylindrical roller 2.14 by outer race 2.11 and the platform C axis rotation that rotates.
A axle drive end 3 drives the rotation of A axle by servomotor 3.1, transmission gear speed reducer structure, the secondary deceleration of cam and anti-backlash mechanism structure; Wherein A shaft transmission gear reducing gear is to constitute secondary transmission gear speed reducer structure by three travelling gears 3.2,3.3,3.4; Secondary deceleration of the cam of A axle drive end and anti-backlash mechanism are made of cam power shaft 3.5, cam output shaft 3.6, needle bearing 3.7, needle bearing adjustment screw 3.8, A axle box 3.9, and A crown of roll wheel set is slowed down and anti-backlash mechanism is contained in the A axle box 3.9; The built-in servomotor 3.1 of A axle drive end 3, servomotor 3.1 and travelling gear 3.2 engagements, travelling gear 3.2 and travelling gear 3.3 engagements, travelling gear 3.3 and travelling gear 3.4 engagements, travelling gear 3.4 and 3.5 engagements of cam power shaft, servomotor is by travelling gear 3.2,3.3,3.4 moment is passed to cam power shaft 3.5, wherein travelling gear 3.3 is fixed on the eccentric bushing 3.11, eccentric bushing 3.11 can be adjusted travelling gear 3.3 by rotating around eccentric part, 3.4 centre-to-centre spacing, thereby eliminate travelling gear 3.3,3.4 backlass, travelling gear 3.4 is fixed on the eccentric bushing 3.10, cam power shaft 3.5 changes centre distances with cam output shaft 3.6 by eccentric bushing 3.10 off-centre, servomotor 3.1 is radially adjustable, in order to eliminate travelling gear 3.2,3.3 between drive gap, needle bearing 3.7 is housed on cam output shaft 3.6, needle bearing is housed on needle bearing 3.7 adjusts screw 3.8; The cam output shaft 3.6 that needle bearing 3.7 is adjusted screw 3.8 and A axle by needle bearing connects, and needle bearing 3.7 has tapering, adjusts the backlass that two adjacent needle bearing spacings can be eliminated A crown of roll wheel set reducing gear by adjusting screw.
Claims (4)
1. mechanical type numerical control double axle table equipment, it is characterized in that: comprise turntable C axle (2), A axle drive end (3), A axle support end (4), the two ends of turntable C axle (2) are by cooperating with A axis hole axle, be separately fixed on A axle support end (4) and the A axle drive end (3), A axle drive end (3) drives the A axle by servomotor (3.1), transmission gear speed reducer structure, the secondary deceleration of cam and anti-backlash mechanism and rotates; Turntable C axle (2) drives the rotation of A axle by servomotor (2.1), transmission gear speed reducer structure, the secondary deceleration of cam and anti-backlash mechanism.
2. mechanical type numerical control double axle table equipment according to claim 1 is characterized in that: described A axle support end (4) is fixed on the supporting seat (4.3) by crossed roller bearing (4.1) outer ring, and is locked by bonnet (4.4); Crossed roller bearing (4.1) inner ring is by locking nut (4.5) locking; Crossed roller bearing (4.1) inner ring cooperates rotation with axle (4.2), and axle (4.2) cooperates with the hole of turntable C axle box (2.10), and turntable C axle box (2.10) links to each other with A axle drive end (3) by adpting flange (3.12) and swings around the A axis; The table top (2.9) of turntable C axle is connected with turntable C axle box (2.10) with cylindrical roller (2.14) by outer race (2.11) and the platform C axis rotation that rotates.
3. mechanical type numerical control double axle table equipment according to claim 1 and 2 is characterized in that: the transmission gear speed reducer structure of described A axle drive end is made of three travelling gears (3.2,3.3,3.4); Secondary deceleration of the cam of A axle drive end and anti-backlash mechanism are adjusted screw (3.8), A axle box (3.9) formation by cam power shaft (3.5), cam output shaft (3.6) needle bearing (3.7), needle bearing; The servomotor (3.1) of A axle drive end passes to cam power shaft (3.5) by three travelling gears (3.2,3.3,3.4) with moment, cam output shaft (3.6) is equipped with needle bearing (3.7), needle bearing is housed on needle bearing (3.7) adjusts screw (3.8); Travelling gear (3.2) is fixed on the servomotor (3.1), travelling gear (3.3) is fixed on the eccentric bushing (3.11), travelling gear (3.4) is fixed on the eccentric bushing (3.10), wherein servomotor (3.1) is radially adjustable, can adjust travelling gear (3.2,3.3) centre-to-centre spacing, eccentric bushing (3.11) can be adjusted travelling gear (3.3,3.4) centre-to-centre spacing by rotating around eccentric part; Cam power shaft (3.5) changes centre distance with cam output shaft (3.6) by eccentric bushing (3.10) off-centre.
4. mechanical type numerical control double axle table equipment according to claim 1 and 2 is characterized in that: the transmission gear speed reducer structure of described turntable C axle is made of three travelling gears (2.2,2.3,2.4); The cam deceleration of turntable C axle and anti-backlash mechanism are by cam power shaft (2.5), and the output shaft of cam (2.6), needle bearing (2.7), needle bearing are adjusted screw (2.8) and constituted; The servomotor (2.1) of turntable C axle, by three travelling gears (2.2,2.3,2.4) moment is passed to cam power shaft (2.5), needle bearing (2.7) is housed on the output shaft of cam (2.6), needle bearing is housed on needle bearing (2.7) adjusts screw (2.8); Travelling gear (2.2) is fixed on the servomotor (2.1), travelling gear (2.3) is fixed on the eccentric bushing (2.12), travelling gear (2.4) is fixed on the eccentric bushing (2.13), wherein servomotor (2.1) is radially adjustable, can adjust travelling gear (2.2,2.3) centre-to-centre spacing, eccentric bushing (2.12) can be adjusted travelling gear (2.3,2.4) centre-to-centre spacing by rotating around eccentric part; Cam power shaft (2.5) changes centre distance with cam output shaft (2.6) by eccentric bushing (2.13) off-centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110182867.XA CN102240910B (en) | 2011-07-01 | 2011-07-01 | Mechanical type numerical control double-shaft turntable device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110182867.XA CN102240910B (en) | 2011-07-01 | 2011-07-01 | Mechanical type numerical control double-shaft turntable device |
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| CN102240910A true CN102240910A (en) | 2011-11-16 |
| CN102240910B CN102240910B (en) | 2014-03-05 |
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| CN201110182867.XA Active CN102240910B (en) | 2011-07-01 | 2011-07-01 | Mechanical type numerical control double-shaft turntable device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941523A (en) * | 2012-10-18 | 2013-02-27 | 新乡日升数控轴承装备股份有限公司 | Eccentric mechanism used on working table of vertical grinder |
| CN103009069A (en) * | 2012-12-05 | 2013-04-03 | 黑龙江农业工程职业学院 | Numerical control double-shaft rotary table |
| CN105345493A (en) * | 2015-11-19 | 2016-02-24 | 中国航空工业集团公司北京航空精密机械研究所 | Flattening high-precision double-shaft rotary table for part manufacturing |
| CN106315433A (en) * | 2016-10-26 | 2017-01-11 | 四川宏华石油设备有限公司 | Rotation device |
| CN106862945A (en) * | 2017-04-18 | 2017-06-20 | 王心成 | A kind of cradle-type double back revolving worktable |
| CN108927669A (en) * | 2018-08-02 | 2018-12-04 | 厦门大学 | A kind of accurate two axle movement platform of achievable eccentric adjustment |
| CN110625405A (en) * | 2019-10-30 | 2019-12-31 | 广州富士汽车整线集成有限公司 | Trihedral servo rotary table |
| CN110977504A (en) * | 2019-12-20 | 2020-04-10 | 苏州古田自动化科技有限公司 | Cam transmission mechanism driven by lifting and rotating of horizontal cam exchange table |
| CN113020805A (en) * | 2021-03-24 | 2021-06-25 | 镭泽精密制造(苏州)有限公司 | Laser engraving machine for three-dimensional application of curved surface |
| CN113565950A (en) * | 2021-08-09 | 2021-10-29 | 无锡京华重工装备制造有限公司 | Anti-backlash structure with meshing clearance measuring function for C shaft of vertical lathe |
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| US3700228A (en) * | 1970-09-25 | 1972-10-24 | Robert E Peale | Adjustable axis work support |
| CN1500589A (en) * | 2002-10-22 | 2004-06-02 | ������������ʽ���� | Inclining and rotating worktable apparatus |
| CN1759983A (en) * | 2004-10-15 | 2006-04-19 | 株式会社三共制作所 | Rotary table apparatus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941523A (en) * | 2012-10-18 | 2013-02-27 | 新乡日升数控轴承装备股份有限公司 | Eccentric mechanism used on working table of vertical grinder |
| CN102941523B (en) * | 2012-10-18 | 2015-06-17 | 新乡日升数控轴承装备股份有限公司 | Eccentric mechanism used on working table of vertical grinder |
| CN103009069A (en) * | 2012-12-05 | 2013-04-03 | 黑龙江农业工程职业学院 | Numerical control double-shaft rotary table |
| CN105345493B (en) * | 2015-11-19 | 2018-08-24 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of flattening high-precision dual-axis turntable for part processing |
| CN105345493A (en) * | 2015-11-19 | 2016-02-24 | 中国航空工业集团公司北京航空精密机械研究所 | Flattening high-precision double-shaft rotary table for part manufacturing |
| CN106315433A (en) * | 2016-10-26 | 2017-01-11 | 四川宏华石油设备有限公司 | Rotation device |
| CN106862945A (en) * | 2017-04-18 | 2017-06-20 | 王心成 | A kind of cradle-type double back revolving worktable |
| CN106862945B (en) * | 2017-04-18 | 2023-04-14 | 王心成 | Cradle type double-rotating workbench |
| CN108927669A (en) * | 2018-08-02 | 2018-12-04 | 厦门大学 | A kind of accurate two axle movement platform of achievable eccentric adjustment |
| CN110625405A (en) * | 2019-10-30 | 2019-12-31 | 广州富士汽车整线集成有限公司 | Trihedral servo rotary table |
| CN110977504A (en) * | 2019-12-20 | 2020-04-10 | 苏州古田自动化科技有限公司 | Cam transmission mechanism driven by lifting and rotating of horizontal cam exchange table |
| CN113020805A (en) * | 2021-03-24 | 2021-06-25 | 镭泽精密制造(苏州)有限公司 | Laser engraving machine for three-dimensional application of curved surface |
| CN113565950A (en) * | 2021-08-09 | 2021-10-29 | 无锡京华重工装备制造有限公司 | Anti-backlash structure with meshing clearance measuring function for C shaft of vertical lathe |
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|---|---|
| CN102240910B (en) | 2014-03-05 |
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Denomination of invention: Mechanical type numerical control double-shaft turntable device Effective date of registration: 20190307 Granted publication date: 20140305 Pledgee: National Development Bank Pledgor: Shenyan Machine Tool (Group) Co., Ltd. Registration number: 2019210000006 |
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Date of cancellation: 20200728 Granted publication date: 20140305 Pledgee: CHINA DEVELOPMENT BANK Pledgor: SHENYANG MACHINE TOOL (Group) Co.,Ltd. Registration number: 2019210000006 |
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Denomination of invention: Mechanical CNC double axis turntable equipment Effective date of registration: 20200730 Granted publication date: 20140305 Pledgee: China Development Bank Liaoning Branch Pledgor: SHENYANG MACHINE TOOL (Group) Co.,Ltd. Registration number: Y2020210000039 |
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