CN1462660A - Digital control machine with magnetic suspension track girder - Google Patents
Digital control machine with magnetic suspension track girder Download PDFInfo
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- CN1462660A CN1462660A CN 03129519 CN03129519A CN1462660A CN 1462660 A CN1462660 A CN 1462660A CN 03129519 CN03129519 CN 03129519 CN 03129519 A CN03129519 A CN 03129519A CN 1462660 A CN1462660 A CN 1462660A
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Abstract
A numerally controlled machine-tool for machining the magnetically levitating rail is composed of main body with 36 m in length, vertical column, mainshaft box, control system and manipulating station. It features its other units including three drive mechanisms for X, A and B axises, a slide seat of vertical column, a rotary seat of vertical volumn and a slide saddle moving along vertical column. The said mainshaft box is arranged to slide saddle. The said control system and manipulating station are connected to slide seat. Its advantage is high precision in whole length range of workpiece.
Description
Technical field:
The invention belongs to Metal Cutting Machine Tool, especially a kind of metal cutting Digit Control Machine Tool that is suitable for overlength such as magnetic suspension rail, overweight member.
Background technology:
With the immediate prior art of the present invention be the console mode cnc boring and milling machine, the layout of existing console mode cnc boring and milling machine and motion mode are that column laterally moves on lathe bed and constitutes X-axis; The ram main spindle box moves up and down on column and constitutes the Z axle; Ram and main shaft vertically move the formation Y-axis, this layout and motion mode have only linear axis, do not have gyroaxis, and the moving range of X-axis is in 15 meters.This cnc boring and milling machine that lands generally is to adjust workpiece or use rotary table and adjust workpiece surface to be machined and main shaft gyration axis normal, the overlength that maybe can't adjust for the inconvenience adjustment, overweight large-scale workpiece or to have a curved workpieces of curvature inapplicable.Magnetic suspension rail for example, its length reaches 25 meters, weighs 180 tons, and part is arranged is curved beam, and present lathe can't be processed.
Summary of the invention:
The invention provides a kind of Digit Control Machine Tool that is suitable for overlength such as magnetic suspension rail, the cutting of overweight member, solving workpiece back in place lathe itself can adjust, make the surperficial vertical of main-shaft axis and workpiece to be machined, can process the technical problem that straight shape workpiece can be processed curved workpieces again; And the technical problem that in the workpiece length range, guarantees high position precision.
The technical scheme that the present invention solves the problems of the technologies described above is:
A kind of magnetic suspension rail Digit Control Machine Tool, it comprises lathe bed, column, has along Y-axis to the ram that moves and main spindle box, control system, the active station of main shaft, it is characterized in that: lathe bed reaches 36 meters, its top total length is provided with two linear rolling tracks, inboard total length is fixed the accurate tooth bar of a row, be provided with the column slide that but total length moves on the linear rolling track of lathe bed, and constitute X-axis, be provided with X-axis disappear crack transmission mechanism and B axle slew gear in the column slide; The column slide is provided with the column swivel base that can rotate relative to the column slide in horizontal plane, and constitutes the B axle; Column is fixed on the column swivel base; Be provided with on the screw of the ball-screw that is fixed on the column and drives by the servomotor on its top and can be, and constitute the Z axle, be provided with A axle slew gear in this saddle along two saddles that guide rail moves up and down on the column; Main spindle box is arranged on the saddle, can rotate in vertical plane relative to saddle under the driving of A axle slew gear, constitutes the A axle; Be provided with the A spindle balance oil cylinder that is connected between saddle and the ram swivel base; Control system and active station are connected on the slide, move along X-axis synchronously with slide, can control the motion state of X, Y, Z, A, B axle and 6 coordinates of main shaft; X, A, three coordinates of B adopt optical grating ruler measurement, closed-loop control.
Described magnetic suspension rail Digit Control Machine Tool is characterized in that: described X-axis is eliminated two pairs of helical gear pairs, axle, gear, tooth bar, the hydraulic jack that clearance transmission mechanism comprises servomotor, is made up of active oblique gear and passive helical gear; Servomotor can pass to two pairs of helical gear pairs after the transmission of bevel gear pair reduction of speed, wherein a pair of helical gear pair produces under the responsive to axial force of oil cylinder piston around the minute angle of its output shaft and rotates, and has eliminated the back lash between wheel and rack.
Described magnetic suspension rail Digit Control Machine Tool is characterized in that: described B axle slew gear comprises: servomotor, decelerator, worm-gears, axle, gear pair; This servomotor is by linking to each other with worm-gears behind the decelerator reduction of speed, and worm-gears is arranged in the slide, with the coaxial pinion of worm gear be fixed on the column swivel base in gears engaged, drive the rotation of column swivel base.
Described magnetic suspension rail Digit Control Machine Tool, it is characterized in that: described A spindle balance mechanism comprises balancing cylinder, numerical scale control valve, balancing cylinder is arranged between saddle and the ram swivel base, the pressure size of pressure oil is the change in location along with ram moves and main spindle box rotates in this oil cylinder, produce the signal of telecommunication, through the control of numerical scale valve, adjust trimming moment, realize the dynamic equilibrium that the ram position of centre of gravity changes.
Described magnetic suspension rail Digit Control Machine Tool is characterized in that: be provided with the binding clasp that clamps and unclamp between slide and the column swivel base; The column swivel base adopts precision bearing centering, and crossed roller bearing supports.
Compare with prior art, the present invention has X, Y, three rectilinear coordinates of Z and A, B, two revolution coordinates, all by computer system control, any three-dimensional linkage, the present invention adopts column to realize the vertical of main-shaft axis and workpiece machined surface at the revolution (B axle) of horizontal plane and main spindle box in the revolution (A axle) of vertical plane.The A axle is provided with balanced controls, and wherein balancing cylinder is by numerical scale valve control, moves according to ram and rotates residing diverse location with main spindle box and dynamically adjust trimming moment at any time, the centre-of gravity shift of compensation ram movement.A axle and B axle adopt the crack reduction of speed transmission mechanism that disappears, accurate alignment bearing to support, optical grating ruler measurement full cut-off ring is controlled, sliding surface is laminating, and on the B axle, adopt and roll---slip mixed film friction pair, realized gyroaxis high accuracy, low-angle calibration location, positioning accuracy reaches 10 "; Repetitive positioning accuracy reaches 5 ".Slide of the present invention moves (X-axis) 33 meters relative to lathe bed, guideway adopts linear rolling track, drive disk assembly adopts precision gear, the tooth bar crack transmission mechanism that disappears, servo chain adopts the optical grating ruler measurement closed-loop control, realized level and smooth control and hi-Fix that the long distance of large-scale moving column moves, the positioning accuracy of X-axis reaches ± 0.015mm/4000mm; Repetitive positioning accuracy reaches ± 0.008mm.The present invention is by in the application in magnetic suspension rail system beam base, Shanghai, and every economic and technical norms have all reached designing requirement, and the curved workpieces that is particularly suitable for overlength, overweight large-scale component and has a certain curvature carries out metal cutting and processes.
Below in conjunction with accompanying drawing invention is described in detail.
Description of drawings:
Fig. 1 is the general structure schematic diagram of magnetic suspension rail Digit Control Machine Tool of the present invention.
Fig. 2 is a kinematic scheme of the present invention.
Fig. 3 is the disappear structural representation of crack transmission of X-axis of the present invention.
Fig. 4 is a B axle revolving structure schematic diagram of the present invention.
Fig. 5 is an A spindle balance structural scheme of mechanism of the present invention.
The specific embodiment:
At first see also Fig. 1.As seen from the figure, magnetic suspension rail Digit Control Machine Tool of the present invention, comprise lathe bed 1, column 8, main spindle box 5, ram 4, main shaft 11, control system 9, active station 16, be characterized in that lathe bed 1 reaches 36 meters, the top total length of lathe bed 1 is provided with two straight lines and rolls guide rail 17, and lathe bed 1 inboard total length is fixed the accurate tooth bar 19 of a row.The linear rolling track 17 of lathe bed 1 is provided with column slide 2, can move along guide rail 17 total lengths by tooth bar 19 transmissions, constitutes X-axis.Be provided with X-axis disappear crack transmission mechanism and B axle slew gear in the column slide 2; Column slide 2 is provided with column swivel base 3, can rotate in horizontal plane relative to column slide 2 by B axle slew gear, constitutes the B axle; Column swivel base 3 is centered on the gyroaxis 62 of column slide 2 by precision bearing 59 (referring to Fig. 4), is bearing on the slide 2 by crossed roller bearing 60, and realizes the clamping of 3 of column slides 2 and column swivel bases and unclamp with binding clasp 61.Column 8 is fixed on the column swivel base 3, both can move along X-axis with column slide 2, can rotate synchronously with column swivel base 3 again.Two guide rails 18 and a ball-screw 15 are fixed in column 8 fronts, and the top of this ball-screw 15 connects a servomotor 14.Be provided with saddle 7, this saddle 7 is fixed on the screw 33 of ball-screw 15 in the column 8, and when ball-screw 15 rotated, saddle 7 can move up and down along the guide rail on the column 8 18, constituted the Z axle, was provided with A axle slew gear in saddle 7.Main spindle box 5 is arranged on the saddle 7, can rotate in vertical plane relative to saddle 7 under the driving of A axle slew gear, constitutes the A axle.Be provided with the Y-axis transmission mechanism in the main spindle box 5; Ram 4 is installed in the main spindle box 5, can vertically move along the guide rail in the main spindle box 5 under the driving of Y-axis transmission mechanism, constitutes Y-axis.Be provided with main shaft 11 in the ram 4, main shaft 11 front ends are provided with automatic tool-broaching mechanism, with mounting cutter 12.Be provided with the A spindle balance oil cylinder 6 (asking simultaneously) that is connected between saddle 7 and the main spindle box 5 referring to Fig. 5, pressure size in this balancing cylinder 6 is the electric signal that is produced along with ram 4 moving coordinate change in location, at any time adjust through control system 9 control figure proportioning valves, be used for dynamic equilibrium ram 4 to move center of gravity variation when rotating with main spindle box 5.Control system 9 and active station 16 are fixed on the slide 2, move the motion state of computer control X, Y, Z, A, B and main shaft 11 by this control system 9, any three linkages synchronously along X-axis with slide 2, X, A, three coordinates of B adopt optical grating ruler measurement, closed-loop control.
Transmission system of the present invention as shown in Figure 2, the transmission mechanism and the transmission principle thereof of its X, Y, Z, A, B axle and main shaft 11 are as follows:
The X-axis crack transmission mechanism (please simultaneously referring to Fig. 3) that disappears comprises servomotor 20, axle 21, by active oblique gear 25 and 26 and two pairs of helical gear pairs forming of passive helical gear 29 and 27, gear 22 and 23, tooth bar 19 and hydraulic jack 58, its driving-chain is as follows: servomotor 20 drives pair of meshing bevel gear 22/23 by axle 21 and rotates, passing to axle 24 rotates, helical gear 26 and 25 on the axle 24 meshes with gear 27 and 29 respectively, drive axle 28 and axle 30 rotations, axle 28 and the axle gear 31 and 32 on 30 meshes with the tooth bar 19 that is fixed on the lathe bed 1, more than each is installed on the slide 2 by bearing fixing, when servomotor 20 drives axle 21 rotations, driving axle 24 by bevel gear 22/23 rotates, helical gear 25 on the axle 24 produces displacement downwards at the responsive to axial force lower edge of hydraulic jack 58 pistons axle 24, helical gear 29 is produced around the minute angle amount of spin of axle 30, the rotation of this minute angle passes to gear 32, eliminated gear 32, back lash between gear 31 and the tooth bar 19, the crack rectilinear motion that disappears of realization slide 2 relative lathe beds 1.
The Z shaft transmission comprises: servomotor 14, ball-screw 15 and screw 33.Servomotor 14 is connected with ball-screw 15, and on column 8, screw 33 is fixed on the saddle 7 ball-screw 15 by bearing fixing.When starting Z through-drive chain, servomotor 14 drives ball-screw 15 and rotates, and makes with the screw 33 of ball-screw 15 engagements and does Z rectilinear motion up and down with saddle 7 along the guide rail of column 8.
The Y-axis transmission mechanism comprises: servomotor 34, ball-screw 35 and screw 36, servomotor 34 are connected with ball-screw 35, and on main spindle box 5, screw 36 is fixed on the ram 4 ball-screw 35 by bearing fixing.When starting Z through-drive chain, servomotor 34 drives ball-screw 35 and rotates, and makes with the screw 36 of ball-screw 35 engagements and makes Y to rectilinear motion with ram 4 along the guide rail of main spindle box 5.
A axle rotary drive mechanism comprises servomotor 37, worm screw 38, worm gear 39, axle 42 and gear 40,41, servomotor 37 is connected with worm screw 38, on saddle 7, worm gear 39, gear 40 are fixedlyed connected with spools 42 by bearing fixing for worm screw 38, axle 42, and gear 41 is fixed on the main spindle box 5.When starting A through-drive chain, servomotor 37 drives worm screw 38, worm gear 39 rotates, and rotates by axle 42 driven gears 40, and gear 40 and gear 41 engagements are realized ram swivel base 5 rotating relative to saddle 7.
B axle rotary drive mechanism comprises servomotor 43, decelerator 44, worm screw 45, worm gear 46, axle 47 and gear 48,49, wherein: servomotor 43 is connected with worm screw 45 by decelerator 44, worm screw 45, the axle 47 by bearing fixing on slide 2, worm gear 46 is fixedlyed connected with axle 47 with gear 48, and gear 49 is fixed on the column swivel base 3.When starting B through-drive chain, servomotor 43 drives worm screw 45, worm gear 46 rotations by decelerator 44, rotates by axle 47 driven gears 48, and gear 48 and gear 49 engagements are realized column swivel base 3 rotating relative to slide 2.
Claims (5)
1, a kind of magnetic suspension rail Digit Control Machine Tool, it comprises lathe bed (1), column (8), has along Y-axis to the ram (4) that moves and main spindle box (5), control system (9), the active station (16) of main shaft (11), it is characterized in that: lathe bed reaches 36 meters, its top total length is provided with two linear rolling tracks (17), inboard total length is fixed row's accurate tooth bar (19), be provided with at the linear rolling track (17) of lathe bed (1) but go up the column slide (2) that total length moves, and the formation X-axis, be provided with X-axis disappear crack transmission mechanism and B axle slew gear in the column slide (2); Column slide (2) is provided with the column swivel base (3) that can rotate relative to column slide (2) in horizontal plane, and constitutes the B axle; Column (8) is fixed on the column swivel base (3); Be provided with the saddle (7) that the screw (33) of the ball-screw (15) that is fixed on that column (8) is gone up and is driven by the servomotor (14) on its top is gone up and can be moved up and down along two guide rails (18) on the column (8), and constitute the Z axle, be provided with A axle slew gear in this saddle (7); Main spindle box (5) is arranged on the saddle (7), can rotate in vertical plane relative to saddle (7) under the driving of A axle slew gear, constitutes the A axle; Be provided with the A spindle balance oil cylinder (6) that is connected between saddle (7) and the ram swivel base (5); Control system (9) and active station (16) are connected on the slide (2), move along X-axis synchronously with slide (2), can control the motion state of X, Y, Z, A, B axle and 6 coordinates of main shaft; X, A, three coordinates of B adopt optical grating ruler measurement, closed-loop control.
2, magnetic suspension rail Digit Control Machine Tool according to claim 1 is characterized in that: described X-axis is eliminated two pairs of helical gear pairs, axle (21), gear (22,23), tooth bar (19), the hydraulic jack (58) that clearance transmission mechanism comprises servomotor (20), is made up of active oblique gear (25) and (26) and passive helical gear (29) and (27); Servomotor (20) can pass to two pairs of helical gear pairs after the transmission of bevel gear pair reduction of speed, wherein a pair of helical gear pair produces under the responsive to axial force of oil cylinder piston around the minute angle of its output shaft and rotates, and has eliminated the back lash between gear (22,23) and tooth bar (19).
3, magnetic suspension rail Digit Control Machine Tool according to claim 1 is characterized in that: described B axle slew gear comprises: servomotor (43), decelerator (44), worm-gears (45,46), axle (47), gear pair (48,49); This servomotor (43) links to each other with worm-gears (45,46) by behind decelerator (44) reduction of speed, worm-gears (45,46) is arranged in the slide (2), the pinion (48) and gear (49) engagement that be fixed on column swivel base (3) on coaxial with worm gear (46) drive column swivel base (3) and rotate.
4, magnetic suspension rail Digit Control Machine Tool according to claim 1, it is characterized in that: described A spindle balance mechanism comprises balancing cylinder (6), numerical scale control valve, balancing cylinder (6) is arranged between saddle (7) and the ram swivel base (5), the pressure size of pressure oil is the change in location along with ram (4) moves and main spindle box (5) rotates in this oil cylinder (6), produce the signal of telecommunication, control through the numerical scale valve, adjust trimming moment, realize the dynamic equilibrium that ram (4) position of centre of gravity changes.
5, magnetic suspension rail Digit Control Machine Tool according to claim 1 is characterized in that: be provided with the binding clasp (61) that clamps and unclamp between slide (2) and the column swivel base (3); Column swivel base (3) adopts precision bearing (59) centering, and crossed roller bearing (60) supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129519 CN1202933C (en) | 2003-06-26 | 2003-06-26 | Digital control machine with magnetic suspension track girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129519 CN1202933C (en) | 2003-06-26 | 2003-06-26 | Digital control machine with magnetic suspension track girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1462660A true CN1462660A (en) | 2003-12-24 |
| CN1202933C CN1202933C (en) | 2005-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03129519 Expired - Lifetime CN1202933C (en) | 2003-06-26 | 2003-06-26 | Digital control machine with magnetic suspension track girder |
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| CN (1) | CN1202933C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100409985C (en) * | 2005-07-29 | 2008-08-13 | 山东省汇丰机械集团总公司 | New type composite drilling machine |
| CN101214616B (en) * | 2008-01-21 | 2010-08-25 | 大连通大设备技术开发有限公司 | Continuously coating welding welding-gun clamping device for bimetallic wire blank |
| CN101524814B (en) * | 2009-04-07 | 2011-04-20 | 大连机床集团有限责任公司 | Ram assembly method for multifunctional precise boring-milling machine |
| CN101341002B (en) * | 2004-02-26 | 2011-06-22 | 费德罗-莫格尔公司 | Magnetically levitated high-speed spindle for shaping irregular surfaces |
| CN102176649A (en) * | 2011-02-18 | 2011-09-07 | 中南大学 | Magnetic-suspension planar feed motion device |
| CN102581335A (en) * | 2012-02-23 | 2012-07-18 | 江苏山姆卡特重型装备制造有限公司 | Magnetic-suspension rail processing machine |
| CN102597351A (en) * | 2009-09-09 | 2012-07-18 | 恒天(奥地利)控股有限公司 | Device for needling a fibrous web |
| CN102722089A (en) * | 2011-06-28 | 2012-10-10 | 清华大学 | Non-contact coarse-motion and fine-motion cascading SDOF (six-degree of freedom) positioning device |
| CN104308559A (en) * | 2014-10-27 | 2015-01-28 | 常州机电职业技术学院 | Special mobile machine for processing end face and orifice of pipe fitting |
| CN105458735A (en) * | 2016-01-06 | 2016-04-06 | 沈阳工业大学 | Magnetic levitation gantry stand column with direct magnetic levitation linear synchronous motor |
| CN108044200A (en) * | 2017-11-29 | 2018-05-18 | 北京石油化工学院 | The control rod processing unit (plant) of built-up welding processing |
| CN108745514A (en) * | 2018-06-22 | 2018-11-06 | 南京西普水泥工程集团有限公司 | A kind of energy-saving scaled slide shoe tube mill |
| CN108772749A (en) * | 2018-08-01 | 2018-11-09 | 成都飞机工业（集团）有限责任公司 | A kind of big stroke Longmen machine tool translation shaft segmentation rack adjustment accuracy detecting device |
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2003
- 2003-06-26 CN CN 03129519 patent/CN1202933C/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101341002B (en) * | 2004-02-26 | 2011-06-22 | 费德罗-莫格尔公司 | Magnetically levitated high-speed spindle for shaping irregular surfaces |
| CN100409985C (en) * | 2005-07-29 | 2008-08-13 | 山东省汇丰机械集团总公司 | New type composite drilling machine |
| CN101214616B (en) * | 2008-01-21 | 2010-08-25 | 大连通大设备技术开发有限公司 | Continuously coating welding welding-gun clamping device for bimetallic wire blank |
| CN101524814B (en) * | 2009-04-07 | 2011-04-20 | 大连机床集团有限责任公司 | Ram assembly method for multifunctional precise boring-milling machine |
| CN102597351A (en) * | 2009-09-09 | 2012-07-18 | 恒天(奥地利)控股有限公司 | Device for needling a fibrous web |
| CN102176649A (en) * | 2011-02-18 | 2011-09-07 | 中南大学 | Magnetic-suspension planar feed motion device |
| CN102176649B (en) * | 2011-02-18 | 2013-02-13 | 中南大学 | Magnetic-suspension planar feed motion device |
| CN102722089B (en) * | 2011-06-28 | 2014-06-18 | 清华大学 | Non-contact coarse-motion and fine-motion cascading SDOF (six-degree of freedom) positioning device |
| CN102722089A (en) * | 2011-06-28 | 2012-10-10 | 清华大学 | Non-contact coarse-motion and fine-motion cascading SDOF (six-degree of freedom) positioning device |
| CN102581335A (en) * | 2012-02-23 | 2012-07-18 | 江苏山姆卡特重型装备制造有限公司 | Magnetic-suspension rail processing machine |
| CN102581335B (en) * | 2012-02-23 | 2013-07-10 | 江苏山姆卡特重型装备制造有限公司 | Magnetic-suspension rail processing machine |
| CN104308559A (en) * | 2014-10-27 | 2015-01-28 | 常州机电职业技术学院 | Special mobile machine for processing end face and orifice of pipe fitting |
| CN105458735A (en) * | 2016-01-06 | 2016-04-06 | 沈阳工业大学 | Magnetic levitation gantry stand column with direct magnetic levitation linear synchronous motor |
| CN108044200A (en) * | 2017-11-29 | 2018-05-18 | 北京石油化工学院 | The control rod processing unit (plant) of built-up welding processing |
| CN108044200B (en) * | 2017-11-29 | 2019-05-03 | 北京石油化工学院 | The control rod processing unit (plant) of built-up welding processing |
| CN108745514A (en) * | 2018-06-22 | 2018-11-06 | 南京西普水泥工程集团有限公司 | A kind of energy-saving scaled slide shoe tube mill |
| CN108772749A (en) * | 2018-08-01 | 2018-11-09 | 成都飞机工业（集团）有限责任公司 | A kind of big stroke Longmen machine tool translation shaft segmentation rack adjustment accuracy detecting device |
| CN108772749B (en) * | 2018-08-01 | 2023-10-03 | 成都飞机工业（集团）有限责任公司 | Large-stroke gantry machine tool translational shaft sectional rack assembling and adjusting precision detection device |
| CN110711954A (en) * | 2019-11-12 | 2020-01-21 | 庄爱妹 | Large-scale integrated laser cutting equipment based on transformation walking waste material reprocessing |
| CN110711954B (en) * | 2019-11-12 | 2021-06-04 | 江苏威扬重工科技有限公司 | Large-scale integrated laser cutting equipment based on transformation walking waste material reprocessing |
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| Publication number | Publication date |
|---|---|
| CN1202933C (en) | 2005-05-25 |
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