CN102366889A - Automatic high-speed precision numerical control machine tool for cutting spherical surface - Google Patents
Automatic high-speed precision numerical control machine tool for cutting spherical surface Download PDFInfo
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- CN102366889A CN102366889A CN2011102792321A CN201110279232A CN102366889A CN 102366889 A CN102366889 A CN 102366889A CN 2011102792321 A CN2011102792321 A CN 2011102792321A CN 201110279232 A CN201110279232 A CN 201110279232A CN 102366889 A CN102366889 A CN 102366889A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 32
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- 238000005498 polishing Methods 0.000 claims description 5
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- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 6
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- 230000005540 biological transmission Effects 0.000 description 4
- 229910001651 emery Inorganic materials 0.000 description 4
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- 230000007547 defect Effects 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The invention provides an automatic high-speed precision numerical control machine tool for cutting a spherical surface, which is provided with a base, wherein a main shaft device is arranged on one side at the upper part of the base; a saddle dragging plate which does linear reciprocating motion along the axis of the main shaft of the main shaft device is arranged at the upper part of the base, which is positioned at the same side of the main shaft device; a direct-driving type torque motor rotary table device is arranged on the saddle dragging plate; a rotary axis of the direct-driving type torque motor rotary table device is absolutely intersected with the rotary axis of the main shaft device; the upper end of the direct-driving type torque motor rotary table device is connected with a rotary saddle device and drives the rotary saddle device to do rotary reciprocating motion around the axis of the direct-driving type torque motor rotary table device; a tool rest dragging plate device which does linear reciprocating motion along the direction perpendicular to the axis of the main shaft of the main shaft device is arranged at the upper end of the rotary saddle device; and linear motion of the tool rest dragging plate device and rotary motion of the rotary saddle device form cutting motion for workpieces, so that the workpieces clamped at the front end of the main shaft device is cut to form a regular spherical shape.
Description
Technical field
The present invention relates to the technology of Machine Tool field, be specifically related to a kind of high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting.
Background technology
Run into through regular meeting at sanitary equipment, automobile and other industries profile tolerance is required to require the high-accuracy bulb of 0.4 μ m in 2 μ m, fineness; According to traditional processing conditions in the past, it is rough turn often need to pass through general car as this type part, and----whirlwind mills ball (or general NC car car ball), and----quite a few procedures such as the manual polishing of numerical control whirlwind grinding spherical----are even if process control is very tight; Still defect rate and percent defective are all than higher; And because process is loaded down with trivial details, operating efficiency is not high yet, and chasing after its main cause has 2 points: the one, and the lathe in machining sphere is according to the numerical control interpolation principle; Well-known numerical control interpolation is exactly to constitute two axis servomotors of plane coordinates replace feeding formation needs according to the plane geometry key element of processing profile; So replacing the spherical curve that feeding forms just because of diaxon is to be made up of many little broken lines in fact, and general NC Vehicle Processing sphere needs a kind of round tool, and in the process cutting point of cutter because want and the spherical curve of processing tangent all the time; So cutting point is the change that does not stop in fact on the cutter; This just requires the cutter profile to want strict control, and the precision of cutter does not reach so high required precision owing to all factors at all at present; The chamfering at sphere two ends can't go out with the round tool car, needs tune processing; The 2nd, during the grinding of sphere whirlwind, the two or more emery sticks that are trimmed shaping contact with the processing sphere, will not cause circularity to descend if the center of circle of emery stick that finishing is shaped and workpiece does not overlap; And the emery stick threshing is fast; The basic grinding of each finishing emery stick not several workpiece, ripe spheric grinding machine also can only reach the precision of 5 μ m on the market, generally speaking precision and efficient are all unsatisfactory; Above-mentioned defective makes the processing of spherical parts and application receive great limitation, therefore is necessary to improve.
Summary of the invention
The technical problem that the present invention solves: a kind of high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting is provided; Diaxon lathe caused circular arc irregularity and the loaded down with trivial details phenomenon of procedure of processing in interpolation cutting are solved at all; Realized that spherical parts adds the high accuracy in man-hour, high efficiency; And noise is low during transmission, has effectively improved operating efficiency, has solved spherical parts and has added the difficult technical barrier of realizing high circularity in man-hour.
The technical scheme that the present invention adopts: the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting; Has base; Said base top one side is provided with main shaft device; Base top is positioned at main shaft device the same side the saddle carriage device of doing straight reciprocating motion along the main-shaft axis of main shaft device is installed; It is definitely crossing in the space that said saddle carriage device is provided with the axis of rotation of axis of rotation and main shaft device of direct-driving type torque motor turret device and direct-driving type torque motor turret device; Said direct-driving type torque motor turret device upper end is connected with the revolution saddle device and drives the revolution saddle device and rotates reciprocating motion around the axis work of direct-driving type torque motor turret device; Said revolution saddle device upper end is equipped with the edge tool rest carriage device of doing straight reciprocating motion vertical with the main-shaft axis of main shaft device, and the gyration of the rectilinear motion of said tool rest carriage device and revolution saddle device constitutes cutting movement to workpiece to be cut the workpiece that is clamped in the main shaft device front end to be positive sphere.
Wherein, Said direct-driving type torque motor turret device comprises panoramic table housing and turntable axis body; In the panoramic table housing, bearings is used in turntable axis body lower end, suit rotor on the turntable axis body with the YRT bearings in said turntable axis body upper end; Motor stator is arranged in the panoramic table housing, and said turntable axis body upper end is fixedly connected with the revolution saddle device.
Further; Supporting seat and following supporting seat were with turntable axis body lower end closed under said panoramic table housing lower end was fixedly connected; Panoramic table housing upper end is fixedly connected with last supporting seat, and said turntable axis body lower end is equipped with the jump ring and the grating that is used to improve the rotary table indexing accuracy of restriction bearing axial displacement.
Wherein, Said tool rest carriage device comprises upper slide rest and four station cutter towers; Said four station cutter towers are fixed on the upper slide rest; Said revolution saddle comprise X to saddle, X to guide rail and X to ball-screw, said X is fixed on X on saddle to guide rail, said X adopts single supporting construction to be arranged on X on saddle to ball-screw; X is flexible coupling to shaft coupling and servomotor through X to ball-screw one end, and X screws to nut to the ball-screw other end X middle with being arranged on the upper slide rest bottom and constitutes X axle kinematic pair.
Wherein, Said main shaft device comprises headstock, hollow spindle and angling cylinder, and said hollow spindle adopts the angular contact bearing structure support of first three back two on headstock, and said hollow spindle front end connects and has or not the cartridge clip headstock; The hollow spindle rear end is fixedly connected with angling cylinder; Be installed with pull bar in the hollow spindle endoporus, said pull bar one end is connected with the piston rod of angling cylinder, and the pull bar other end is connected with the collet of clamping workpiece; Be set with electric spindle rotor on the said hollow spindle, electric main shaft stator is arranged in the headstock.
Wherein, Said saddle carriage device comprises saddle; The side that saddle is installed on the said base is provided with Z to guide rail; Said saddle guide pass and Z cooperate to guide rail, said saddle through be installed in the middle of its bottom nut be installed in Z shaft ball screw on the base and revolve and constitute Z axle kinematic pair.
Further, said Z shaft ball screw adopts the two ends fixed form to be supported on the base, and Z shaft ball screw one end is connected with servomotor elasticity through shaft coupling, and the Z shaft ball screw other end nut middle with being installed in the saddle bottom screws.
Further; Said saddle guide pass is fitted to guide rail with Z after pasting and moulding band I; The saddle guide pass also is provided with and can limits saddle the saddle left pressing plate and the right pressing plate of saddle in gap up and down, is provided with long drift in the inboard of saddle guide pass and uses big adjustment screw restriction gap, the saddle left and right sides.
Further; Said upper slide rest guide pass is fitted to guide rail with X after pasting and moulding band II; Said upper slide rest guide pass also is provided with and can limits upper slide rest the upper slide rest left pressing plate and the right pressing plate of upper slide rest in gap up and down, is provided with short drift in the inboard of upper slide rest guide pass and limits gap, the little supporting plate left and right sides with the whole screw of ditty.
Further, on the said four station cutter towers lathe tool is installed, rolling tool or polishing cutter perhaps are installed simultaneously.
The present invention's advantage compared with prior art:
1, the application of direct-driving type torque motor panoramic table mechanism and four station knife rests can only need once be accomplished the finish turning technology that need on different lathes, carry out originally, extrusion process on this lathe; And spherical machining accuracy promotes significantly; Save the technology of grinding spherical; Thereby make the processing technology of spheroid shorten, efficient improves;
2, main shaft adopts electric main axle structure, has shortened driving-chain, has save motor through belt pulley and bel-drivenn structure, significantly reduces the transmission noise, has improved transmission accuracy and rotating speed;
3, panoramic table is used the most advanced technology of directly driving; And collocation YRT turntable bearing, can make turntable not have backlass, can bear bigger chip-load; And omit original through the accurate planet wheel decelerator of driven by servomotor; Drive the structure of turntable again by accurate planet wheel decelerator, shortened driving-chain, increase substantially the calibration positioning accuracy.The raising of dynamic stiffiness is more conducive to cut.
Description of drawings
Fig. 1 is a structure explosive view of the present invention;
Fig. 2 removes structural representation behind oil cylinder connector and the little supporting plate for the present invention;
Fig. 3 is a structural front view of the present invention;
Fig. 4 is a structure vertical view of the present invention;
Fig. 5 is a structure left view of the present invention;
Fig. 6 is a structure right view of the present invention;
Fig. 7 is the A-A cutaway view of Fig. 4;
Fig. 8 is the B-B cutaway view of Fig. 4;
Fig. 9 is the C-C cutaway view of Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing 1,2,3,4,5,6,7,8,9 a kind of embodiment of the present invention is described.
The high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting; Has base 7; Said base 7 tops one side is provided with main shaft device 2; Base 7 tops are positioned at main shaft device 2 the same sides the saddle carriage device 3 of doing straight reciprocating motion along the main-shaft axis of main shaft device 2 are installed; It is definitely crossing in the space that said saddle carriage device 3 is provided with the axis of rotation of axis of rotation and main shaft device 2 of direct-driving type torque motor turret device 4 and direct-driving type torque motor turret device 4; Said direct-driving type torque motor turret device 4 upper ends are connected with revolution saddle device 5 and drive revolution saddle device 5 does the rotation reciprocating motion around the axis of direct-driving type torque motor turret device 4; Said revolution saddle device 5 upper ends are equipped with the edge tool rest carriage device of doing straight reciprocating motion 6 vertical with the main-shaft axis of main shaft device 2, and the gyration of the rectilinear motion of said tool rest carriage device 6 and revolution saddle device 5 constitutes cutting movement to workpiece 51 to be cut the workpiece 51 that is clamped in main shaft device 2 front ends to be positive sphere.
Said direct-driving type torque motor turret device 4 comprises panoramic table housing 96 and turntable axis body 95; Said turntable axis body 95 upper ends are supported in the panoramic table housing 96 with YRT bearing 99; Turntable axis body 95 lower ends are supported with bearing 100; Suit rotor 106 on the turntable axis body 95, motor stator 107 are arranged in the panoramic table housing 96, and said turntable axis body 95 upper ends are fixedly connected with revolution saddle device 5.Supporting seat 94 and following supporting seat 94 were with turntable axis body 95 lower end closed under said panoramic table housing 96 lower ends were fixedly connected; Panoramic table housing 96 upper ends are fixedly connected with last supporting seat 93, and said turntable axis body 95 lower ends are equipped with the jump ring 105 and the grating 98 that is used to improve the rotary table indexing accuracy of restriction bearing 100 axial displacements.Specifically; The interference hot charging has DD motor stator 107 in the panoramic table housing 96, and the panoramic table of direct-driving type torque motor panoramic table 4 is in order to improve precision and rigidity, and what the support of turntable axis body 95 upper ends was selected for use is YRT bearing 99; Turntable axis body 95 external diameters cooperate installation with YRT bearing 99 endoporus; Compress lockedly with wire ring I102, YRT bearing 99 external diameters cooperate with last supporting seat 93, and fixing with it with screw 97.Last supporting seat 93 is connected with panoramic table housing 96 through screw 49.Lip packing 101 inner rings are enclosed within on supporting seat 93 cylindricals, and lip packing 101 external diameters and X are fixing to saddle 73, play the effect of rotary sealing.The middle interference hot charging of turntable axis body 95 has rotor 106.Bearing 100 internal diameters cooperate with turntable axis body 95, and bearing 100 external diameters cooperate with following supporting seat 94, and following supporting seat 94 is connected fixing with panoramic table housing 96 through screw 103.The lower end of turntable axis body 95 is equipped with jump ring 105, is used for limiting the axial displacement of bearing 100.In order to improve the indexing accuracy of rotary table, heat bonding is set with high-resolution grating 98 on turntable axis body 95.
Said tool rest carriage device 6 comprises upper slide rest 58 and four station cutter towers 71; Said four station cutter towers 71 are fixed on the upper slide rest 58; Said revolution saddle 5 comprise X to saddle 73, X to guide rail 77 and X to ball-screw 78; Said X is fixed on X on saddle 73 to guide rail 77; Said X adopts single supporting construction to be arranged on X on saddle 73 to ball-screw 78, and X is flexible coupling to shaft coupling 81 and servomotor 79 through X to ball-screw 78 1 ends, and X screws to nut 64 to ball-screw 78 other ends X middle with being arranged on upper slide rest 58 bottoms and constitutes X axle kinematic pair.Said upper slide rest 58 guide pass are fitted to guide rail 77 with X after pasting and moulding band II66; Said upper slide rest 58 guide pass also are provided with the upper slide rest left pressing plate 59 and the right pressing plate 60 of upper slide rest that can limit upper slide rest gap about in the of 58, are provided with short drift 62 in the inboard of upper slide rest 58 guide pass and limit gaps, little supporting plate 58 left and right sides with the whole screw 109 of ditty.Lathe tool 72 is installed on the said four station cutter towers 71, rolling tool or polishing cutter perhaps are installed.Specifically, X cooperates with turntable axis body 95 upper ends to saddle 73, and is fixing with it with six screws 18.X adopts the quenching steel guideway to guide rail 77.The X that quenches respectively is connected to saddle 73 with X with 6 screws 110 to guide rail about 77.X adopts single supporting construction to ball-screw 78, and X is fixedly connected on X on saddle 73 to four screws 84 of motor cabinet 74 usefulness.X is set with plain cushion 76 and bearing group 82 successively to the support section of ball-screw 78, and said bearing group 82 inner rings compress locked with wire ring II80, and bearing group 82 outer rings cooperate to motor cabinet 74 with X, compresses locked with little pressure ring 75 with screw 83 simultaneously.X is equipped with X to shaft coupling 81 to the left end termination of ball-screw 78, is flexible coupling with servomotor 79 output shafts, through screw 67 servomotor 79 is fixedly connected to motor cabinet 74 with X simultaneously.The guide pass of little supporting plate 58 is pasted with to mould is with II66 and the X of X on saddle 73 to fit to guide rail 77; Join that 58 about the gap with the little supporting plate of right pressing plate 60 restrictions of upper slide rest left pressing plate 59 and upper slide rest, regulate the gap, the left and right sides that weak point drifts 62 can limit little supporting plate 58 with the whole screw 109 of ditty simultaneously.Is fixed with X to nut seat 61 with screw 68 in the middle of the bottom of said little supporting plate 58, with X to ball screw 78 revolve and X be installed in its endoporus with regard to secure fit to nut adjusting pad 63 and 4 screws 69 through X to nut 64.Built-in four station cutter towers 71 are fixed on the little supporting plate 58 through four screws 110, and lathe tool 72 is with regard to the cutter holder position of clamping at built-in four station cutter towers 71.Simultaneously can also be at polishing instrument or cutters such as built-in four station cutter tower 71 clampings such as rolling tools.
Said main shaft device comprises headstock 27, hollow spindle 28 and angling cylinder 42; Said main shaft device is connected with base 7 with 6 screws 57, and the angular contact bearing structure support that said hollow spindle 28 adopts first three back two is on headstock 27, and said hollow spindle 28 front ends connect and have or not cartridge clip headstock 37; Hollow spindle 28 rear ends are fixedly connected with angling cylinder 42; Be installed with pull bar 39 in hollow spindle 28 endoporus, said pull bar 39 1 ends are connected with the piston rod of angling cylinder 42, and pull bar 39 other ends are connected with the collet 38 of clamping workpiece 51; Be set with electric spindle rotor 45 on the said hollow spindle 28, electric main shaft stator 44 is arranged in the headstock 27.Specifically, main shaft device adopts high-power built-in spindle motor, and support section adopts the angular contact bearing structure of first three back two, and the rigidity of main shaft and high speed property obtain raising fundamentally, and the noise of main shaft can not surpass 60dB yet simultaneously.Be set with electric main shaft stator 44 in the described headstock 27.The cable of described electric main shaft stator 44 is to pass the cable connector 43 that is connected on the headstock 27 to lead to the main shaft outside, so that the usefulness of line.Hollow spindle 28 preceding support sections are suit fore bearing group 32, interior accent crack ring 33, investigation mission outside the city or town crack ring 34 and front split ring 25 successively; Fore bearing group 32 inner rings compress locked with wire ring III41; Fore bearing group 32 outer rings cooperate with front sleeve 22 endoporus, and compress locked with bearing cap 29 and screw 112.It is sturdy with the end face of front sleeve 22 that O shape circle 53 is installed in the right side groove of bearing cap 29, prevents that extraneous cutting fluid from entering into bearing chamber.Front sleeve 22 cylindricals cooperate headstock 27 endoporus, are attached thereto with screw 49.Support section before so just constituting.Hollow spindle 28 centre position interference shrink-ons electricity spindle rotor 45 is used key 47 splines simultaneously.Nestle up electric spindle rotor 45 left sides and be set with gimbal 24, rear bearing group 35, spacer ring 26, encoder 46 and oil cylinder connector 31 at hollow spindle 28 back support sections successively.Rear bearing group 35 inner rings compress locked with wire ring IV40, rear bearing group 35 outer rings and back sleeve 23 endoporus matched in clearance, and the cylindrical of back sleeve 23 and headstock 27 endoporus cooperate, and are attached thereto with screw 50.The left side of back sleeve 23 is installed with encoder 46 with screw 54.Said oil cylinder connector 31 usefulness keys 48 splines, extremely after this support section constitutes.The piston of real angling cylinder 42 tension and unclamp realization during the grasping system of main shaft mainly relies on.Cross scale 36 and be connected with middle real angling cylinder 42 through screw 56, said oil cylinder connector 31 is connected with middle real angling cylinder 42 crossing scale 36 through screw 55.Hollow spindle 28 front ends connect with screw 52 and have or not cartridge clip headstock 37, change transferring power with 20 groups on trundle 30 and screw simultaneously.Be installed with pull bar 39 in hollow spindle 28 endoporus, pull bar 39 left ends are connected with the piston rod of middle real angling cylinder 42, and right-hand member is connected with collet 38, and collet 38 clampings have workpiece 51.
Said saddle carriage device 3 comprises saddle 85; The side that saddle 85 is installed on the said base 7 is provided with Z to guide rail 108; Said saddle 85 guide pass and Z cooperate to guide rail 108, said saddle 85 through be installed in the middle of its bottom nut 90 be installed in Z shaft ball screw 13 on the base 7 and revolve and constitute Z axle kinematic pair.Said Z shaft ball screw 13 employing two ends fixed forms are supported on the base 7, and Z shaft ball screw 13 1 ends are connected with servomotor 14 elasticity through shaft coupling 15, and Z shaft ball screw 13 other ends nut 90 middle with being installed in saddle 85 bottoms screws.Said saddle 85 guide pass are fitted to guide rail 108 with Z after pasting and moulding band I92; Saddle 85 guide pass also are provided with the saddle left pressing plate 87 and the right pressing plate 86 of saddle that can limit saddle gap about in the of 85, are provided with long drift 91 in the inboard of saddle 85 guide pass and use big adjustment screw 65 restriction gaps, saddle 85 left and right sides.Be set with successively on the left end supporting surface of Z shaft ball screw 13: two row screw mandrel spring bearings 17; Stiff end gasket ring 10; Spring bearing 17 inner rings compress locked with nut 16; Spring bearing 17 outer rings, one end and Z cooperate to the endoporus of motor bearing 8, and described Z is fixed on the base 7 to four screws 21 of motor bearing 8 usefulness, and the spring bearing 17 outer ring other ends compress locked with pressure ring 11 and four screws 113.Be set with successively on the right-hand member supporting surface of Z shaft ball screw 13: shaft shoulder gasket ring 114; Two row screw mandrel spring bearings 17; Right-hand member gasket ring 115; Spring bearing 17 inner rings compress locked with nut 16, spring bearing 17 outer rings and Z compress locked to the cooperation of bearing block 9 endoporus with right pressure ring 116 and four screws 117.Enter into the right-hand member bearing in order to prevent that iron from cutting, on the left side of bearing block 9, be fixed with dust ring 119 with screw 118 at Z.Said Z is fixed on the base 7 to four screws 19 of bearing block 9 usefulness.Said and Z shaft ball screw 13 revolve and Z be fixed on the saddle 85 to nut adjusting pad 89 usefulness screws 50 with Z to nut seat 88 through Z to nut 90.The left end termination point casing of said Z shaft ball screw 13 is equipped with shaft coupling 15 and is connected with servomotor 14 elasticity, and servomotor is fixed on Z on motor bearing 8 with screw 18.Said and Z to ball screw 13 revolve and Z cooperate to nut 90 and be installed in Z in nut seat 88 endoporus, and fixing through screw 1.
The transmission process principle: hollow spindle 28 is rotated with main shaft one superhigh speed so clamping has the collet 38 of workpiece 51 to be fixedly connected also with nothing cover base of the carrier head 37 because with main shaft by electric main shaft stator 44 energising driving main shaft axis body rotations.The piston rod of real angling cylinder 42 tension and unclamp realization during the grasping system of hollow spindle 28 mainly relies on.In the piston of real angling cylinder 42 when moving forward and backward; The pull bar 39 that drive is attached thereto also moves forward and backward; Because the right-hand member of pull bar 39 connects collet 38; So collet 38 also can move forward and backward, but the mobile of collet 38, the inside contraction clip clamping of workpieces 51 of the endoporus of collet 38 have not been limited owing to there is cover base of the carrier head 37.Actually add man-hour; Z does not participate in actual cutting movement to motion; His effect mainly is to adjust the Z of direct-driving type torque motor panoramic table 4 to motion, overlaps with the centre of gyration and direct-driving type torque motor panoramic table 4 centres of gyration that guarantee processing work 51 floor projections.Z relies on servomotor 14 to drive to the driving of motion; Its output shaft is provided with Z and is flexible coupling to shaft coupling 15 and Z shaft ball screw 13; Z is fixing with saddle 85 to nut adjusting pad 89 through Z to nut 90; With Z shaft ball screw 13 revolve with, when servomotor 14 rotation, just can drag saddle 85 be Z to move forward and backward.The motion of direct-driving type torque motor panoramic table 4 is simple relatively; It is by the direct-driving type torque motor of the big moment power resources as rotation; Because in cutting; Direct-driving type torque motor panoramic table 4 is unit of actual participation cutting, and all cutting resistances all can be born by direct-driving type torque motor panoramic table 4, bear cutting force so lathe has been chosen up to the direct-driving type torque motor panoramic table 4 and the YRT bearing 99 of 150N.M moment.X to seesaw, in cutting, mainly play a part adjustment workpiece 51 liner balls footpath size.Again can accurate accurately feeding in order to bear cutting force; Chosen the microspur ball screw 78 of two helical pitches; Can effectively guarantee to cut smooth and easy; X to the main servomotor 79 that relies on that seesaws drive, said servomotor 79 output shafts are provided with X and are flexible coupling to shaft coupling 81 and X shaft ball screw 78, X to nut 61 through X to nut adjusting pad 63 and upper slide rest 58 fixing and with X shaft ball screw 78 revolve with.When servomotor 79 rotations; Drive X shaft ball screw 78; Revolve with it and X fix to nut 64, do and seesaw so drag upper slide rest 58, owing to be fixed with built-in four station cutter towers 71 above the upper slide rest 58; So the lathe tool 72 of clamping on built-in four station cutter towers 71 be and then motion also, realize the effect of adjustment workpiece liner ball footpath size.
The foregoing description is preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention, so all equivalences of being done with the said content of claim of the present invention change, all should be included within the claim scope of the present invention.
Claims (10)
1. the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting; Has base (7); It is characterized in that: said base (7) top one side is provided with main shaft device (2); Base (7) top is positioned at main shaft device (2) the same side the saddle carriage device (3) of doing straight reciprocating motion along the main-shaft axis of main shaft device (2) is installed; It is definitely crossing in the space that said saddle carriage device (3) is provided with the axis of rotation of axis of rotation and main shaft device (2) of direct-driving type torque motor turret device (4) and direct-driving type torque motor turret device (4); Said direct-driving type torque motor turret device (4) upper end is connected with revolution saddle device (5) and drives revolution saddle device (5) and rotates reciprocating motion around the axis work of direct-driving type torque motor turret device (4); Said revolution saddle device (5) upper end is equipped with the edge tool rest carriage device of doing straight reciprocating motion (6) vertical with the main-shaft axis of main shaft device (2), and the gyration of the rectilinear motion of said tool rest carriage device (6) and revolution saddle device (5) constitutes cutting movement to workpiece (51) to be cut the workpiece (51) that is clamped in main shaft device (2) front end to be positive sphere.
2. the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting according to claim 1; It is characterized in that: said direct-driving type torque motor turret device comprises panoramic table housing (96) and turntable axis body (95); Said turntable axis body (95) upper end is supported in the panoramic table housing (96) with YRT bearing (99); Turntable axis body (95) lower end is supported with bearing (100); Turntable axis body (95) is gone up suit rotor (106), and motor stator (107) is arranged in the panoramic table housing (96), and said turntable axis body (95) upper end is fixedly connected with revolution saddle device (5).
3. the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting according to claim 2; It is characterized in that: supporting seat (94) and following supporting seat (94) were with turntable axis body (95) lower end closed under said panoramic table housing (96) lower end was fixedly connected; Panoramic table housing (96) upper end is fixedly connected with last supporting seat (93), and said turntable axis body (95) lower end is equipped with the jump ring (105) of restriction bearing (100) axial displacement and is used to improve the grating (98) of rotary table indexing accuracy.
4. according to claim 1 or the 2 or 3 described high speed and precision automation Digit Control Machine Tools that are used for the sphere cutting; It is characterized in that: said tool rest carriage device (6) comprises upper slide rest (58) and four station cutter towers (71); Said four station cutter towers (71) are fixed on the upper slide rest (58); Said revolution saddle device (5) comprise X to saddle (73), X to guide rail (77) and X to ball-screw (78); Said X is fixed on X on saddle (73) to guide rail (77); Said X adopts single supporting construction to be arranged on X on saddle (73) to ball-screw (78), and X is flexible coupling to shaft coupling (81) and servomotor (79) through X to ball-screw (78) one ends, and X screws to nut (64) to ball-screw (78) other end X middle with being arranged on upper slide rest (58) bottom and constitutes X axle kinematic pair.
5. according to claim 1 or the 2 or 3 described high speed and precision automation Digit Control Machine Tools that are used for the sphere cutting; It is characterized in that: said main shaft device comprises headstock (27), hollow spindle (28) and angling cylinder (42); Said hollow spindle (28) adopts the angular contact bearing structure support of first three back two on headstock (27); Said hollow spindle (28) front end connects and has or not cartridge clip headstock (37), and hollow spindle (28) rear end is fixedly connected with angling cylinder (42), is installed with pull bar (39) in hollow spindle (28) endoporus; Said pull bar (39) one ends are connected with the piston rod of angling cylinder (42); Pull bar (39) other end is connected with the collet (38) of clamping workpiece (51), is set with electric spindle rotor (45) on the said hollow spindle (28), and electric main shaft stator (44) is arranged in the headstock (27).
6. according to claim 1 or the 2 or 3 described high speed and precision automation Digit Control Machine Tools that are used for the sphere cutting; It is characterized in that: said saddle carriage device (3) comprises saddle (85); Said base (7) is gone up the side that saddle (85) is installed and is provided with Z to guide rail (108); Said saddle (85) guide pass and Z cooperate to guide rail (108), and said saddle (85) revolves and constitutes Z axle kinematic pair through being installed in the nut (90) in the middle of its bottom and being installed in Z shaft ball screw (13) on the base (7).
7. the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting according to claim 6; It is characterized in that: said Z shaft ball screw (13) adopts the two ends fixed form to be supported on the base (7); Z shaft ball screw (13) one ends are connected with servomotor (14) elasticity through shaft coupling (15), and Z shaft ball screw (13) other end nut (90) middle with being installed in saddle (85) bottom screws.
8. the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting according to claim 7; It is characterized in that: said saddle (85) guide pass is fitted to guide rail (108) with Z after pasting and moulding band I (92); Saddle (85) guide pass also is provided with and can limits saddle (85) the saddle left pressing plate (87) and the right pressing plate (86) of saddle in gap up and down, is provided with long drift (91) in the inboard of saddle (85) guide pass and uses big adjustment screw (65) restriction saddle (85) gap, the left and right sides.
9. the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting according to claim 4; It is characterized in that: said upper slide rest (58) guide pass is fitted to guide rail (77) with X after pasting and moulding band II (66); Said upper slide rest (58) guide pass also is provided with and can limits upper slide rest (58) the upper slide rest left pressing plate (59) and the right pressing plate (60) of upper slide rest in gap up and down, is provided with short drift (62) in the inboard of upper slide rest (58) guide pass and limits little supporting plate (58) gap, the left and right sides with the whole screw (109) of ditty.
10. the high speed and precision automation Digit Control Machine Tool that is used for the sphere cutting according to claim 4 is characterized in that: said four station cutter towers (71) are gone up lathe tool (72) are installed, and rolling tool or polishing cutter perhaps are installed simultaneously.
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| CN 201110279232 CN102366889B (en) | 2011-09-21 | 2011-09-21 | Automatic high-speed precision numerical control machine tool for cutting spherical surface |
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| CN102873343A (en) * | 2012-09-07 | 2013-01-16 | 新昌县三维精工机械有限公司 | Spherical automatic machine tool |
| CN103481105A (en) * | 2013-09-27 | 2014-01-01 | 苏州凯欧机械科技有限公司 | Novel servo positioning device applicable to engine lathe |
| CN105065871A (en) * | 2015-07-29 | 2015-11-18 | 合肥工业大学 | Dividing apparatus for ultra-precise instrument |
| CN105772749A (en) * | 2016-05-26 | 2016-07-20 | 南昌市新通新发实业有限公司 | Integrated machine tool headstock |
| CN106312587A (en) * | 2016-10-31 | 2017-01-11 | 江苏工大金凯高端装备制造有限公司 | Transmission device of ultra-precision machining lathe for machining spherical surfaces and aspherical surfaces |
| CN107553309A (en) * | 2017-10-12 | 2018-01-09 | 芜湖市永帆精密模具科技有限公司 | The Internal Spherical Surface lapping device of ball swage core rod |
| CN107584373A (en) * | 2017-10-12 | 2018-01-16 | 芜湖市永帆精密模具科技有限公司 | A kind of lathe that steel ball cold heading die can be ground |
| CN108405885A (en) * | 2018-03-26 | 2018-08-17 | 中山市顺羽机电科技有限公司 | A kind of machinery lathe |
| CN108405886A (en) * | 2018-03-26 | 2018-08-17 | 陈伟景 | Efficient mechanical lathe |
| CN109261988A (en) * | 2018-11-20 | 2019-01-25 | 陕西海力特精密机械有限公司 | Spherical turning lathe main shaft and turntable and center cutter centering positioning adjust mounting structure |
| CN110480073A (en) * | 2019-09-23 | 2019-11-22 | 泰安方力智能设备有限公司 | A kind of High-speed Wheel/Rail locomotive car body crossbeam end is disconnected to cut machine |
| CN110757180A (en) * | 2019-11-26 | 2020-02-07 | 江门杰能刀剪装备科技有限公司 | Working table |
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| CN105065871A (en) * | 2015-07-29 | 2015-11-18 | 合肥工业大学 | Dividing apparatus for ultra-precise instrument |
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| CN106312587A (en) * | 2016-10-31 | 2017-01-11 | 江苏工大金凯高端装备制造有限公司 | Transmission device of ultra-precision machining lathe for machining spherical surfaces and aspherical surfaces |
| CN107553309A (en) * | 2017-10-12 | 2018-01-09 | 芜湖市永帆精密模具科技有限公司 | The Internal Spherical Surface lapping device of ball swage core rod |
| CN107584373A (en) * | 2017-10-12 | 2018-01-16 | 芜湖市永帆精密模具科技有限公司 | A kind of lathe that steel ball cold heading die can be ground |
| CN108405885A (en) * | 2018-03-26 | 2018-08-17 | 中山市顺羽机电科技有限公司 | A kind of machinery lathe |
| CN108405886A (en) * | 2018-03-26 | 2018-08-17 | 陈伟景 | Efficient mechanical lathe |
| CN109261988A (en) * | 2018-11-20 | 2019-01-25 | 陕西海力特精密机械有限公司 | Spherical turning lathe main shaft and turntable and center cutter centering positioning adjust mounting structure |
| CN110480073A (en) * | 2019-09-23 | 2019-11-22 | 泰安方力智能设备有限公司 | A kind of High-speed Wheel/Rail locomotive car body crossbeam end is disconnected to cut machine |
| CN110480073B (en) * | 2019-09-23 | 2023-11-28 | 翟泉来 | High-speed wheel rail locomotive body beam end cutting machine |
| CN110757180A (en) * | 2019-11-26 | 2020-02-07 | 江门杰能刀剪装备科技有限公司 | Working table |
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| CN102366889B (en) | 2013-08-14 |
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