CN102717306A

CN102717306A - Numerical control equipment

Info

Publication number: CN102717306A
Application number: CN2012100137946A
Authority: CN
Inventors: 杨东佐
Original assignee: 杨东佐
Current assignee: Taishan Ren Feng Hardware & Electrical Appliance Co., Ltd.
Priority date: 2011-09-21
Filing date: 2012-01-16
Publication date: 2012-10-10
Anticipated expiration: 2032-01-16
Also published as: WO2013040866A1; CN202540054U; WO2013040868A1; WO2013040867A1; CN102717306B; CN202462121U; CN102699768A

Abstract

Numerical control equipment comprises a spindle device, a slide seat, a slide seat driving device, a workpiece clamping device and a main processing head, wherein Z-direction guide rod is mounted together with the slide seat only in a up-and-down moving manner; a rotating shaft is arranged in the Z-direction guide rod and can only rotate relative to the Z-direction guide rod; a Z-direction screw rod nut is fixed with the Z-direction guide rod; a conducting ring is arranged on the circumference of the rotating shaft; an electric wire accommodating hole or electric wire accommodating groove communicated with the conducting ring is formed in the rotating shaft; an electric wire is accommodated in the electric wire accommodating hole or electric wire accommodating groove; a swinging seat is formed integrally or fixed at the lower end of the rotating shaft; one end of the electric wire is electrically connected with the conducting ring; the other end of the electric wire is electrically connected with a main processing head driving motor and a swing shaft driving device which are mounted on the rotating shaft; the conducting ring is in triboelectric connection with an electric brush electrically connected an external power supply; and the electric brush is fixed with the Z-direction guide rod. The numerical control equipment has the advantages that the rotating shaft can rotate continuously by 360 degrees, and the electric wire connected with a main shaft motor and a rotating shaft driving device is prevented from being twisted off.

Description

A kind of numerical control device

Technical field

The present invention relates to a kind of numerical control device, particularly relate to a kind of main processing head Digit Control Machine Tool, numerical control paint spraying apparatus, numerical control welding equipment, digital control laser cutting equipment, digital control laser welding equipment, digital controlling plasma cutting equipment, numerical control dress screw equipment, numerical control gas cutting equipment etc.

Background technology

Existing numerical control device, for realize can processed complex part, generally need 5-axis movement processing, i.e. X axle, Y axle, the Z axle processing that moves back and forth, balance staff rotates in certain angle, rotating shaft or workbench rotatablely move for 360 ° continuously.

But existing numerical control device; A kind of be processing head (claiming universal processing head in the industry again) is installed though balance staff can swing certain angle; But rotating shaft can only reciprocal back and forth positive and negative rotation in certain angle, if the same direction rotation of the continuous 360 ° of courts of rotating shaft, the electric wire that is electrically connected balance staff drive unit and processing head that is installed together with rotating shaft; Can be intertwined because of the continuous rotation of rotating shaft; When always continuously rotation twine when going down, electric wire just can be twisted off, and causes the processing head can't operate as normal.The rotating shaft of existing numerical control device can only be done reciprocal back and forth positive and negative rotation in the certain angle; Universal processing head like the CYTEC company of Germany can realize+/-370 ° reciprocating type back and forth rotation; For the particularly turning processing of processing that realizes complex parts, the workbench that is installed on the base must the same direction of continuous 360 ° of courts rotate, when this numerical control device is used for turning processing (forward formula turning processing); The workbench rotation; Owing to need the Heavy Weight of weight ratio main shaft device and bogey thereof of workbench and workpiece of clamping workpiece of motion a lot, particularly when the weight of workpiece is very big, during such as 3 tons and even 100 tons perhaps bigger; The rotary table that workpiece is installed so just needs very large volume, and it is big to take up room; The power that drives the workbench rotation is big, wastes energy; Vibrations were big big with rotatory inertia when rotary table rotatablely moved, the reduction equipment precision, and the working environment noise is big; Especially surpass 100 tons heavy industry spare, then more very.

Be in 03278066.4 the patent of invention like application number; A kind of five-axle linkage gantry CNC milling machine is disclosed; Have base, workbench, left and right pillar, crossbeam, slide carriage, ram, electric main tapping, electric main shaft U type frame; Workbench X axle driving mechanism, slide carriage Y axle driving mechanism, ram Z axle driving mechanism, electric main tapping are the electric main tapping that is directly driven by built-in servomotor; And A axle and the electric main shaft U type of electric main tapping through the set symmetry in its both sides put up to rotate and linked, electric main shaft U type frame be installed in ram in and becomes to turn the C axle fixed connection of binding; The electricity main tapping can center on A axle and C axle respectively through A axle rotary drive mechanism and C axle rotary drive mechanism and rotate.A axle rotary drive mechanism, C axle rotary drive mechanism all are to have the transmission of multi-stage gear driving-chain, and the gap is many, cannot say for sure to demonstrate,prove precision, and drive mechanism is complicated; Though A axle rotary drive mechanism adopts the gear reduction driving-chain of gear clearance elimination reducing transmission structure; But just certain improvement is arranged to reducing the gear transmission chain gap; Can not eliminate the gear transmission chain gap; Still the machining accuracy of gantry CNC milling machine can be influenced, the high-precision requirement of planer-type milling machine can't be satisfied.If this invention C axle is 360 ° of rotations continuously; Because electric main tapping is put up the rotation binding through the A axle and the electric main shaft U type of the set symmetry in its both sides; Electricity main shaft U type frame be installed in ram in and becomes turn the C axle that links and is fixedly connected, the electric wire that links electric main tapping and the servomotor that drives the rotation of A axle can be intertwined because of continuous 360 ° of rotations of C axle, rotates winding when going down when continuous always; Electric wire just can be twisted off, and causes the ten thousand electric main tappings can't operate as normal.

Be in 200920031017.8 the patent of invention like application number; Disclose a kind of five-axle number control machine tool and used two-way revolute, comprised electric spindle carrier and the electric main shaft that is fixedly connected with it, it also comprises the CA revolute of L type; One end and the C axle cycloid speed reducer of CA revolute are affixed; Fixedly end cap is affixed for the other end of C axle cycloid speed reducer and C axle, and C axle fixedly end cap is fixed on the C shaft fixing support, and C axle stiff end covers and is fixed with the C axle servomotor corresponding with C axle cycloid speed reducer; The other end of CA revolute is fixed with A axle servomotor, and A axle servomotor is fixedly connected with A axle cycloid speed reducer, and the output of A axle cycloid speed reducer is fixedly connected with electric spindle carrier.This five-axle number control machine tool drives electric main shaft through C axle cycloid speed reducer and realizes rotating around the C axle; One end and the C axle cycloid speed reducer of CA revolute are affixed, and the other end of CA revolute is fixed with A axle servomotor, can be intertwined because of continuous 360 ° of rotations of C axle with A axle servomotor and electric main shaft wire connecting; When always continuously rotation twine when going down; Electric wire just can be twisted off, and causes the universal processing head can't operate as normal, so the rotating in certain angle only of C axle.

Be in 21010514827.6 the patent of invention, to disclose a kind of digital controlling plasma six-axle five-linkage groove cutting machine like application number, comprise the end frame of crossbeam both sides; The two ends frame all is connected with longitudinal moving device and places on the track; Horizontal mobile device is installed on the crossbeam, and main frame is connected with lifting and moving device through carriage, and lifting and moving device is connected with horizontal mobile device; Main frame comprises and is installed in the carriage upper case; Mounting rotary electric machine is gone up on this cabinet top, and the output shaft of said electric rotating machine (8) is connected with the interior ball screw of cabinet, and the upper end of ball screw is installed pinion and is threaded; Said cabinet also is provided with the hollow rotary shaft that the power supply cable passes; Connect gear wheel on this rotating shaft; Gear wheel and said pinion, the lower end of rotating shaft is fixing with " C " shape connector upper end, and the motor-driven reduction box of swing is installed on " C " shape connector; This reduction box is installed the cutting torch seat through gear and the engagement of semicircle tooth bar on the semicircle tooth bar.The transmission of this employing multi-stage gear mechanical chain comes the driven in rotation axle, and the gap is many, cannot say for sure to demonstrate,prove precision.Can be intertwined because of continuous 360 ° of rotations of rotating shaft with swing motor and cutting torch wire connecting, when the rotation winding was gone down continuously always, electric wire just can be twisted off, and causes the cutting torch operate as normal, so rotating shaft rotating in certain angle only.

Be in 201020561238.9 the patent of invention like application number; A kind of combined A/C axle double pendulum angle numerical control universal milling head is disclosed; Milling head is made up of A, two turning units of C axle; Wherein, the structure of A axle unit is: electric main shaft is inserted in the main spindle box, and the water collar of main spindle box through the crossed roller bearing R A axle and arranged on left and right sides of A axle and arranged on left and right sides is supported in the U type fork body that worker's type left shell and L type right shell body be combined into; And two external-rotor-type force moment motors are arranged in parallel connection in worker's type left shell R L type right shell body; A axle left side, right side torque motor stator are connected with L type right shell body with worker's type left shell respectively, and A axle left and right side torque motor rotor is installed on the main spindle box both sides simultaneously, is provided with A axle distribution oil ring between main spindle box and the L type right shell body; The structure of C axle unit is: mandrel is arranged in the C axle distribution oil ring; The rear end of mandrel cooperates with rear end cap through the end support bearing; The front end of mandrel is connected with the front end driving member; C axle water collar cooperates with mandrel through C axle distribution oil ring, and C axle upper and lower end torque motor is connected with rear end cap through inboard C axle water collar surely, and rear end cap is connected with shell body; C axle upper end torque motor rotor is connected with the spacer in the outside, and spacer is connected with the front end driving member, and C axle lower end torque motor rotor directly is connected with the front end driving member, and the front end driving member is connected with the L type right shell body of A axle unit through the turntable bearing.Though adopt direct driving motor to drive A axle, the motion of C axle in this invention; Because the A axle unit is installed in the C axle; Can be intertwined because of continuous 360 ° of rotations of A axle with A axle left side, right side torque motor stator wire connecting, when the A axle always continuously rotation twine when going down, electric wire just can be twisted off; Cause the cutting torch operate as normal, so the rotating in certain angle only of A axle.

Also have a kind of balance staff to be installed on the main shaft, main shaft can 360 ° rotates continuously, but the driving of balance staff must adopt the transmission of multi-stage gear mechanical chain to drive.Be in 200610118881.2 the patent of invention like application number, disclose a kind of digital control boring spindle of processing deep blind-hole bottom inner camber, comprise the boring bar cover; This boring bar also comprises the swing knife bar, swinging axle, the servomotor that is connected with the boring bar cover; Power transmission shaft; The wobble drive gear, bevel gear is secondary, and said swing knife bar rear portion is provided with wobble gear; The servomotor output shaft through coupling spindle be fixed on boring bar cover in bearing block in power transmission shaft be fixedly connected; Power transmission shaft drives driven bevel pinion and is installed in the wobble drive gear revolution on the transition axis with driven bevel pinion through driving bevel gear, and wobble drive gear and the wobble gear engagement of swinging knife bar drive swinging axle and the swing knife bar is made rotary oscillation.The transmission of this employing multi-stage gear mechanical chain drives balance staff; There are factors such as gap, strain in the driving-chain; These factors all can have influence on precision, and entire mechanism makes that assembly precision requires that also high, complex structure, volume are big, Heavy Weight, cost are also higher.

Application number is in 200520133730.5 the utility model patent, to disclose a kind of full-automatic numerical control pipe cutting machine, by fuselage; Diced system, material feed clamping system, digital control system, cooling system are formed, and diced system has main shaft to be fixed with the feed motor on it, and motor drives the screw mandrel rotation through gear drive; Screw mandrel makes the slide block moving linearly; Cutting tool is housed on the slide block, and the power supply of motor is through brush, and the electricity ring is led into; Though this scheme discloses the electric wire winding problem that solves the motor that on being installed in main shaft, rotates with main shaft through brush; Rotate with main shaft but except that brush, all be installed on the main shaft, but the problem of its solution is the problem of cutter swivel feeding, rather than does not move at the workbench that is installed on the base; Solving the 5-axis movement Digit Control Machine Tool is the Compound Machining complex parts of turning processing, turning and the milling of the part of processed complex, particularly 5-axis movement.

Application number is in 200920241455.7 the utility model patent; A kind of electric spark shaping mill numerical control direct-drive type C axis mechanism is disclosed; Fixedly install a motor mount at the Z of said electric spark shaping mill axle head, this motor mount is provided with and drives motor always, and said direct driving motor has shell and rotating shaft; The relative motor mount of this shell is fixedly connected, and rotating shaft is that hollow shaft and gyratory directions are for to turn round around the Z axle; Be equipped with one in the hollow hole of said hollow shaft and advance electric axis, this advances the relative hollow shaft insulation of electric axis and is fixedly connected; In said motor mount, be provided with a cavity; This upper end of advancing electric axis extends in the said cavity; The electric axis upper edge of advancing that is arranged in cavity is circumferentially with an annular contact surface; Advance brush to should annular contact surface being provided with one, this advances the brush insulating mounting on said motor mount, advances the working face and the annular contact surface contact matching of brush; The said lower end of advancing electric axis is provided with electrode holder.Though this scheme discloses through advancing brush, advancing the electrical connection problem that electric axis has solved the electrode holder that on being installed in rotating shaft, rotates with rotating shaft; But the problem of its solution is to adopt the problem of direct driving motor spark machined; Rather than do not move at the workbench that is installed on the base; Solving the 5-axis movement Digit Control Machine Tool is the Compound Machining complex parts of turning processing, turning and the milling of the part of processed complex, particularly 5-axis movement.

Summary of the invention

The technical problem that the present invention will solve provide a kind of rotating shaft can 360 ° the electric wire of the balance staff drive unit that is installed together of continuous rotation, electrical connection and rotating shaft and main processing head can not twine, the workbench on the mounting seat need not rotate just can realize 5-axis movement processed complex part particularly turning complex parts, good stability when main processing head moves up and down, be difficult for producing the numerical control device of uneven torsion.

A kind of numerical control device comprises main shaft device, and the slide of main shaft device is installed, slide drive unit, clamping workpiece device, main processing head, main shaft device comprise Z to guide rod, drive Z that Z moves up and down to guide rod to drive unit; Z only can be installed together with slide to guide rod with moving up and down; Also comprise be installed in Z in guide rod only relatively Z to guide rod rotating shaft rotationally, rotating shaft drive unit; Z comprises a Z to drive motors to drive unit, and a Z who is connected with the motor shaft of drive motors is to screw mandrel, with Z to screw mandrel fit screw rod nut; On slide, upwards be provided with the support portion, on the support portion, be provided with motor mounting plate, Z is fixed on the motor mounting plate to drive motors, and Z passes motor mounting plate to screw mandrel away from an end of drive motors; Feed screw nut and Z fix to guide rod, and main processing head is arranged on Z to the guide rod below; Be provided with conducting ring in the rotating shaft periphery, in rotating shaft, be provided with the electric wire containing hole or the electric wire storage tank that are communicated with conducting ring, in electric wire containing hole or electric wire storage tank, be equipped with electric wire; One-body molded in the lower end of rotating shaft have or be fixed with swing seat, also comprises the balance staff and the balance staff drive unit that are installed on the swing seat, and the main processing headstock of described main processing head is fixed on the balance staff or is one-body molded with balance staff; One end of electric wire is electrically connected with conducting ring, and the other end is electrically connected with motor on being installed in rotating shaft; Conducting ring is electrically connected with the brush friction that is electrically connected external power source, and brush and Z fix to guide rod.

Improvement as scheme one; Z is up big and down small shoulder hole to the hole that guide rod cooperates with rotating shaft; Be provided with protuberance radially in the upper end of rotating shaft, the lower bearing that contacts with the bottom surface of the protuberance of rotating shaft and the upper bearing (metal) that contacts with the end face of the protuberance of rotating shaft are installed in the macropore of shoulder hole; Lower bearing is supported on the shoulder hole, and rotating shaft cooperates to guide rod with Z through upper bearing (metal), lower bearing.The protuberance of rotating shaft and the structure that upper bearing (metal), lower bearing cooperate make Z be prone to processing, be prone to install to guide rod, rotating shaft, are prone to guarantee precision.

Improvement as scheme one; Z is up big and down small shoulder hole to the hole that guide rod cooperates with rotating shaft; Be provided with little axle at the two ends of rotating shaft, in the macropore of shoulder hole, be equipped with the little axle in the lower end of rotating shaft and the lower bearing that cooperates, with the little upper bearing (metal) that cooperates in the upper end of rotating shaft; Lower bearing is installed on the bottom surface of minimum aperture of shoulder hole, and rotating shaft cooperates to guide rod with Z through upper bearing (metal), lower bearing.The structure that the little axle at rotating shaft two ends cooperates with upper bearing (metal), lower bearing makes Z be prone to processing, be prone to install to guide rod, rotating shaft, is prone to guarantee precision.

As the improvement of scheme one, on main shaft device, also be provided with coolant flow channel.Coolant flow channel is taken away the heat on the main shaft device, and the Z that reduces main shaft device is to overheating deformings such as guide rod, rotating shafts.

As the improvement of scheme one, the rotating shaft drive unit comprises the first rotor of the periphery that is installed in rotating shaft, is installed in first stator that Z cooperates with the first rotor in guide rod.Adopt first stator and the first rotor to cooperate and drive rotating shaft, simple in structure, easy for installation.

As the improvement of scheme one, the balance staff drive unit comprises second stator that is installed in the swing seat, is installed in second rotor in second stator; Balance staff is coaxial to be installed in second rotor, and the main processing headstock of described main processing head is fixed on the balance staff or is one-body molded with balance staff; Electric wire in described electric wire containing hole or the electric wire storage tank is electrically connected with second stator away from an end of conducting ring.The driving of balance staff realizes through the cooperation of second stator and second rotor, and is simple in structure, easy for installation, reduces installing space.

As the improvement of scheme one, be fixed with Z to feed screw nut's installing plate at Z to the top of guide rod, Z is fixed on Z to feed screw nut's installing plate center to the feed screw nut, and Z is coaxial to guide rod to feed screw nut and Z to drive motors, Z; The rotating shaft drive unit is installed in Z in guide rod, moving equilibrium when main processing head is moved up and down, good stability.

Improvement as scheme one; The rotating shaft drive unit comprises core motor, and core motor and Z fix to guide rod, the upper end of rotating shaft and core motor motor shaft be connected; Be convenient to Z and when screw mandrel moves up and down, can stretch into core motor, Z to guide rod, rotating shaft etc.; Can shorten the entire length of main shaft device, improve the rigidity of main shaft device, reduce cost.

As the common improvement of scheme one to ten, described support portion is the upper guide bush of the tubulose that cooperates to guide rod with Z; Below slide, also be provided with the following guide pin bushing of the tubulose that cooperates to guide rod with Z; In upper guide bush, slide, following guide pin bushing, be provided with the pilot hole that connects ordinatedly to guide rod with Z, Z can be installed in the pilot hole to guide rod with moving up and down, the top of the pilot hole of motor mounting plate sealing upper guide bush.Below the slide with above be equipped with guide pin bushing, increase the guiding length of Z to guide rod, improve the guide effect of Z to guide rod.The top of the pilot hole of motor mounting plate sealing upper guide bush, dust is difficult for getting into the gap of Z between guide rod and guide pin bushing, further improves guide effect, reduces the wearing and tearing that get into the guiding clearance because of dust.

As the improvement of scheme one, the balance staff drive unit comprises drive motors; Balance staff is connected with the motor shaft of drive motors, and balance staff passes swing seat away from an end of drive motors and links together with main processing headstock.Balance staff directly drives through driving device motor, and simple in structure, cost is low.

As the improvement of scheme one, also be fixed with holder to the lower end of guide rod at Z; The rotating shaft drive unit comprises first stator that is installed in the holder lower end, is installed in the first rotor of first stator, and rotating shaft only is installed in rotation in the first rotor, and is simple in structure, and the length of rotating shaft is short, and is not yielding.

Common improvement as scheme one to ten; In slide, be fixed with two article of the one Z to the line slideway track; Convex with Z to the guiding fixed part at Z to the bilateral symmetry of guide rod, on the guiding fixed part, all be fixed with the 2nd Z that cooperates to the line slideway track with a corresponding Z to the line slideway track at Z.Cooperate Z to guiding to line slideway track and the 2nd Z to the line slideway track through a Z, guide effect is good, and Z does not need to design spline structure to guide rod again.Particularly when a Z to line slideway track and the 2nd Z after the wearing and tearing of line slideway track, only need to change a Z and get final product to the line slideway track to line slideway track and the 2nd Z, need not change Z to guide rod.

As the common improvement of scheme one to ten, Z is cylindrical to the targeting part of guide rod; On guide rod, be provided with the spline groove at Z, on slide, be provided with the Z that cooperates to guide rod with Z to guide pin bushing, Z to guide pin bushing and Z between guide rod, be provided with prevent Z to guide rod along guide rod axis horizontal direction spline structure rotationally.Prevent that with spline structure Z from rotating to guide rod, simple in structure, the easy design of each part.

Improvement as such scheme; Spline structure comprises the spline piece; On the side of guide pin bushing, be provided with the ccontaining through hole of the horizontal direction of ccontaining spline piece at Z, be provided with abutment towards the end of Z, between spline piece and abutment, be provided with spring to the guide pin bushing outside at ccontaining through hole; On the side of guide rod, be provided with the spline groove that cooperates with the spline piece at Z, spline piece protrusion and Z are in the pilot hole that guide rod cooperates stretches into the spline groove.Spline structure is installed in Z in guide pin bushing, simple in structure, easy for installation.

As the common improvement of scheme one to ten, Z only can be installed together with slide to guide rod with moving up and down; Z is fixed on Z on guide rod to the feed screw nut; Also be provided with prevent Z to guide rod along guide rod axis horizontal direction spline structure rotationally; Spline structure comprises the 3rd spline piece, and the holding part in that Z is provided with ccontaining the 3rd spline piece on guide rod is provided with the 3rd spring at the 3rd spline piece and Z between guide rod; The 3rd spline piece protrusion Z is being provided with the spline groove that cooperates with the 3rd spline piece to the periphery of guide rod with Z in the pilot hole that guide rod cooperates.Through spline piece spline, simple in structure, because spring has cushioning effect, Z moves up and down to guide rod can well to guarantee not do smoothly to guide rod by Z rotationally.

As the improvement of scheme 15, described holding part is to be arranged on the blind hole of Z on the guide rod side, and the 3rd spring is installed between the bottom surface and the 3rd spline piece of blind hole; The 3rd spline piece cooperates with the spline groove to the periphery of guide rod away from the side protrusion Z of spring.Spline structure is installed in the blind hole of Z on the guide rod side, and is simple in structure.

As the improvement of scheme 15, storage tank is arranged on Z and is communicated with to the side of guide rod to the top of guide rod and with Z; Spline structure also comprises and is installed in the 4th spline piece, end cap, and the 3rd spring is installed between the 3rd spline piece, the 4th spline piece and is provided with the 3rd spring, and end cap is limited in Z with the 3rd spline piece, the 4th spline piece and on guide rod, moves in the setting range; The 3rd spline piece protrusion Z cooperates with the spline groove to the periphery of guide rod.Spline structure is installed in the storage tank of guide's Z masthead portion, and is easy for installation.

As the common improvement of scheme one to ten, the upper guide bush of the support portion that slide upwards is provided with for cooperating to guide rod with Z, on slide also to having time guide pin bushing; The top of the pilot hole of motor mounting plate sealing upper guide bush; Z is installed in Z to guide rod, Z in guide pin bushing to drive unit; In guide pin bushing, be provided with guiding and insert, rotating shaft is inserted with guiding and is cooperated.Rotating shaft is inserted with guiding and is cooperated, and the power of reducing friction reduces the guiding frictional contact surface, the heat of reducing friction and producing, be easy to simultaneously heat from guide pin bushing, guiding down insert, interstitial row between the rotating shaft goes out, and reduces the distortion of rotating shaft.

The invention has the beneficial effects as follows: use brush and conducting ring; Rotating shaft can 360 ° rotation continuously; Being installed together the electric wire that is electrically connected main processing head and balance staff drive unit with rotating shaft can not be intertwined because of the rotation of rotating shaft; Like this when the axis direction of balance staff swing, processing head departs from vertical direction, processing head X to Y when circular motion is done on the plane at place, through 360 ° of rotations continuously of rotating shaft; Processing head can satisfy the needs of machining angle all the time, does not need the motion of clamping workpiece device to get final product the processed complex part.Single, be convenient to realize that Z moves up and down or rotation or drive installation are rotated in the rotating shaft of Z in guide rod to guide rod.Particularly for add man-hour workpiece be installed on the workbench that is fixed on the base, workpiece needn't rotate reverse formula turning processing; The turning cutting tool that needs the processing head terminal keeps an angle with the center of workpiece all the time; And turning cutting tool will remain this angle and just needs universal processing head must be able to do unlimited continuous rotation; Interlock displacement through digital control system programming Control XYZ just can realize easily again; Because the structure of processing head needn't be very big; Weight needn't be very heavy, when the weight of main processing head and bogey thereof with respect to the weight summation of the workbench of the clamping workpiece of traditional needs motion and workpiece gently much the time, but when the weight of workpiece is very big; Such as 3 tons and even 100 tons or when bigger; Just can save driving power (energy-conservation) greatly and improve displacement flexibility (velocity of displacement), guarantee the processing precise degree more easily, improve greatly processing head displacement sensitivity and workpiece machining accuracy, improve X to, Y to translational speed, improve working (machining) efficiency, significantly reduce the wearing and tearing between equipment moving spare and the guide rail.Simultaneously because balance staff can be swung certain angle; Rotating shaft is provided with conducting ring and cooperates the electric wire at electric wire and the processing head terminal of the drive unit of realizing being electrically connected balance staff when the continuous 360 ° of rotations of rotating shaft, can not twine with brush; Just can realize turning (reverse formula) and the Compound Machining of milling in arbitrarily angled, surmount more than the performance of the universal processing head of the type on the present industry; And balance staff and processing head can adopt motor direct-drive, have save the mechanically operated gap of multi-stage gear, have improved the machining accuracy of equipment, make the maximum densification of structure, and simplified structure makes the transmission rigidity obtain greatly increasing.Drive motors is installed on the motor mounting plate; The Z that is connected with the motor shaft of the 3rd drive motors passes Z to screw mandrel and cooperates to the feed screw nut with Z to the drive unit mount pad; Simple in structure; Be convenient to realize that Z moves up and down or rotation or drive installation are rotated in the rotating shaft of Z in guide rod to guide rod, displacement accuracy is high, good stability when main processing head moves up and down, is difficult for producing uneven torsion.

Description of drawings

Fig. 1 is the schematic perspective view of the embodiment of the invention 1.

Fig. 2 is the perspective exploded view of the Y of the embodiment of the invention 1 to slide, main shaft device.

Fig. 3 is the sketch map that the Y of the embodiment of the invention 1 dissects to the axial location of guide rod along Z to slide, main shaft device.

Fig. 4 is the sketch map that dissects along the A-A position of Fig. 3.

Fig. 5 is the perspective exploded view of the Y of the embodiment of the invention 2 to slide, main shaft device.

Fig. 6 is the sketch map that the Y of the embodiment of the invention 2 dissects to the axial location of guide rod along Z to slide, main shaft device.

Fig. 7 is the sketch map that dissects along the B-B position of Fig. 6.

Fig. 8 is the perspective exploded view of the Y of the embodiment of the invention 3 to slide, main shaft device.

Fig. 9 is the perspective exploded view of the Y of the embodiment of the invention 4 to slide, main shaft device.

Figure 10 is the perspective exploded view of the Y of the embodiment of the invention 5 to slide, main shaft device.

Figure 11 is the perspective exploded view of the Y of the embodiment of the invention 6 to slide, main shaft device.

Figure 12 is the perspective exploded view of the Y of the embodiment of the invention 7 to slide, main shaft device.

Figure 13 is the schematic perspective view of the embodiment of the invention 8.

Figure 14 is the schematic perspective view of the embodiment of the invention 9.

Figure 15 is the schematic perspective view of the Y of the embodiment of the invention 10 to slide, main shaft device.

Figure 16 is the perspective exploded view of the Y of the embodiment of the invention 10 to slide, main shaft device.

Figure 17 is the sketch map that the Y of the embodiment of the invention 10 dissects to the axial location of guide rod along Z to slide, main shaft device.

Figure 18 is the sketch map that the Y of the embodiment of the invention 11 dissects to the axial location of guide rod along Z to slide, main shaft device.

Figure 19 is the sketch map that the Y of the embodiment of the invention 12 dissects to the axial location of guide rod along Z to slide, main shaft device.

Figure 20 is the perspective exploded view of the Y of the embodiment of the invention 13 to slide, main shaft device.

The specific embodiment

Embodiment 1

To shown in Figure 4, a kind of Digit Control Machine Tool comprises integrated main body frame 1, workbench 2 like Fig. 1.Main body frame 1 comprises square base 3, with the base 3 one-body molded main support columns 4 that are arranged on 3 four angle positions of base and the centre position of the left side, right side and the rear side that are separately positioned on base, connects the horizontal joint pin 5 of 4 of main support columns.With the main support column 4 one-body molded main backstops 6 that are arranged on the main support column 4.Main backstop 6 is the square closed-loop structure of opening towards vertical direction.

Comprise that also X is to slide 7.Main backstop 6 and X to 7 of slides be provided with the X that cooperatively interacts to fromer rail, X to rear rail.X can slidably reciprocate to rear rail to fromer rail, X along X to slide 7.

X comprises the square frame of opening towards vertical direction to slide 7, on the front and back sides of square frame, convexes with X respectively to guide rail slide fixed block 13, on the bottom surface of square frame, is provided with protuberance 14 down.

X comprises the X that is provided with ball that is installed on the main backstop 6 to linear slide track 15 to fromer rail, X to rear rail, is fixed on X that X cooperates to linear slide track 15 to guide rail slide fixed block 13 bottom surfaces and X to guide rail slide 16.

Also comprise and drive first drive unit that X moves back and forth to slide 7; First drive unit comprises one first drive motors 10; Drive X to slide 7 move back and forth, with X to the parallel X who is connected with the motor shaft of first drive motors 10 of linear slide track 15 to screw mandrel 11; With first feed screw nut's (not shown) that X cooperates to screw mandrel 11, first feed screw nut's (not shown) is fixed on lower protruding block portion 14 and X to position that slide 7 combines.

Comprise that also the X that is installed near the left and right sides of main backstop 6 is to screw mandrel mount pad 17; First drive motors 10 is installed in X on the lateral surface of screw mandrel mount pad 17, and X passes X to screw mandrel 11 away from an end of first drive motors 10 and is installed in X away from first drive motors 10 on screw mandrel mount pad 17 to screw mandrel mount pad 17, first feed screw nut's (not shown); X to screw mandrel 11 at two X between linear slide track 15.

Also comprise Y to slide 18, be provided with the Y that cooperatively interacts to 18 of slides to slide 7 and Y at X to left rail, Y guide rail to the right.

Also comprise and drive second drive unit that Y moves back and forth to slide 18; Second drive unit comprises one second drive motors 21; Drive Y to slide 18 move back and forth, the parallel Y who is connected with the motor shaft of second drive motors 21 of guide rail is to screw mandrel 22 to the right to left rail, Y with Y, the Y that cooperates to screw mandrel 22 with Y is to feed screw nut's (not shown).

Y comprises Y to slide base plate 24 to slide 18, and the U type upper convex portion 25 that is convexly equipped with vertically upward to slide base plate 24 from Y is from Y protuberance 26 under the U type that slide base plate 24 is convexly equipped with vertically downward.All protrude U type upper convex portion 25, U type under protuberance 26 to slide base plate 24 at left and right directions at Y.Y is fixed on protuberance 26 and Y under the U type to position that slide base plate 24 combines to feed screw nut's (not shown).

Y to left rail, Y to the right guide rail be slide rail; Comprise directly being fixed on the Y that be provided with ball of X on slide 7, be fixed on Y that Y cooperates to linear slide track 27 to the bottom surface of slide base plate 24 and Y to guide rail slide 29 to linear slide track 27.

Also comprise and being installed near X to the Y of the both sides, front and back of slide 7 to screw mandrel mount pad 28; Second drive motors 21 is installed in Y on the lateral surface of screw mandrel mount pad 28, and Y passes Y to screw mandrel 22 away from an end of second drive motors 21 and is installed in Y away from second drive motors 21 to screw mandrel mount pad 28, Y on screw mandrel mount pad 28 to feed screw nut's (not shown).Y to screw mandrel 22 at two Y between linear slide track 27.

Also be provided with and be installed in the main shaft device of Y on slide 18.Main shaft device comprise the cross section that can move up and down be circular Z to guide rod 30, end cap 31, internal threaded nut 54; External screw thread nut 55, only Z drives the first rotor 33 and first stator 34 of rotating shaft 32 rotations to the rotating shaft 32 that guide rod 30 rotates relatively; Bearing 35; 19, two on bearing be installed in the bottom surface of Y protuberance 26 under the U of slide 18 type upper convex portion 25, U type and run through Y to a Z of slide 18 to line slide rail track 36, drive Z that Z moves up and down to guide rod 30 to drive unit.Convex with Z to guiding fixed part 37 at Z to the bilateral symmetry of guide rod 30; Z in guide rod 30, be provided with Z to the coaxial center ladder hole 59 of guide rod 30; On guiding fixed part 37, be fixed with the 2nd Z at Z, on line slide rail track 38, be provided with the guide groove 39 that cooperates to line slide rail track 36 with a Z at the 2nd Z to line slide rail track 38.On U type upper convex portion 25, be fixed with motor fixing plate 40.The one Z passes Y to slide 18 to line slide rail track 36, the 2nd Z to line slide rail track 38.In end cap 31, be provided with ladder aperture 49 and ladder macropore 50.Also comprise conducting ring 51 and brush 52.Z comprises one the 3rd drive motors 41, drives a Z that Z moves up and down to guide rod 30 to screw mandrel 42 to drive unit.Rotating shaft 32 comprises the macro-axis 44 that cooperates to guide rod 30 endoporus with Z, extend from the top of macro-axis 44 and be provided with the little axle of ladder 45, extend from the bottom of macro-axis 44 and be provided with little axle 20.In rotating shaft 32, be provided with central through hole 53.Bearing 35 be enclosed within on the big end of little axle 45 and be supported on the macro-axis 44 cooperate with the big end periphery of little axle 45 and with the macropore of the ladder hole 59 of guide rod 30 in Zhou Peihe.The first rotor 33 is enclosed within and cooperates with the small end periphery of little axle 45 on the small end of little axle 45 and be supported on the bearing 35.Conducting ring 51 is enclosed within and cooperates with the small end periphery of little axle 45 on the small end of little axle 45 and be supported on the first rotor 33.Be provided with external screw thread at the small end of little axle 45 near the top end of rotating shaft 32, thereby the internal thread of nut 54 contacts with the end face of conducting ring 51 the first rotor 33, conducting ring 51 is fixed in the rotating shaft 32 from top to bottom successively with external screw thread cooperation, the end face of little 45 small end.First stator 34 is installed in the ladder aperture 49 of end cap 31, and the top end of first stator 34 contacts with the end face of ladder aperture 49, the interior Zhou Peihe of periphery and ladder aperture 49, and interior Zhou Yuyu the first rotor 33 cooperates; Be provided with internal thread at ladder macropore 50 near the bottom end face of end cap 31; The internal diameter of nut 55 is greater than the external diameter of the first rotor 33, thereby the external screw thread of nut 55 contacts with the bottom end face of first stator 34 first stator 34 is fixed in the end cap 31 with screw-internal thread fit, the end face of ladder macropore 50.Brush 52 be fixed in the end cap 31 and with conducting ring 51 CONTACT WITH FRICTION, conducting ring 51 is electrically connected with motor on being installed in rotating shaft 32 through electric wire.End cap 31 is fixed on the top of Z to guide rod 30.Z is fixed on the center of end cap 31 and stretches in the rotating shaft 32 and rotating shaft 32 empty avoidings to feed screw nut 46.The 3rd drive motors 41 is installed on the motor fixing plate 40; Z is connected with the 3rd drive motors 41 through axle coupling 47 to an end of screw mandrel 30; Z passes motor fixing plate 40 to the other end of screw mandrel 30 and cooperates to feed screw nut 46 with Z, and stretches in the rotating shaft 32 and rotating shaft 32 empty avoidings.Z passes Y to slide 18 to guide rod 30.Z is passed to guide rod 30 and protrude Z to guide rod 30 in the lower end of rotating shaft 32, on the bottom end face of the macropore that bearing 19 is installed on the little axle 20, bottom end face is supported on ladder hole 59, top end cooperates with the periphery of the top end applying of macro-axis 44, interior Zhou Yuxiao axle 20, the interior Zhou Peihe of periphery and ladder hole 59.Main processing head 48 is installed in the rotating shaft 32.Drive screw mandrel 42 through motor 41 and rotate, feed screw nut's 46 relative screw mandrels 42 are only moved up and down, owing to feed screw nut 46 is fixing with end cap 31, guide rod 32 is fixing with end cap 31, so guide rod 32 only moves up and down with screw mandrel 42 rotations.Rotating shaft 32 drives at Z only rotatable in guide rod 32 through first stator 34, the first rotor 33.

Be fixed with swing seat 56 at Z to the bottom of guide rod 30, also comprise balance staff 57 that is installed in the horizontal direction on the swing seat 56 and the rotation axle electric machine 58 that is connected with balance staff 57, main processing head 48 is installed on the balance staff 57.

Embodiment 2

To shown in Figure 7, different with embodiment 1 is like Fig. 5, and Y comprises Y to slide base plate 71 to slide 70, the upper convex portion 72 that is convexly equipped with vertically upward to slide base plate 71 from Y, the following protuberance 73 that is convexly equipped with vertically downward to slide base plate 71 from Y.Lateral surface at upper convex portion 72, following protuberance 73 is provided with fixed pan 74, is provided with side protuberance 75 at fixed pan 74.Y is square to slide base plate 71 peripheries, periphery protrusion upper convex portion 72, following protuberance 73.Be provided with in slide 70 at Y and run through upper convex portion 72, Y to slide base plate 71, the circular hole 78 and the square hole 79 of protuberance 73 down, circular hole 78 places the center of square hole 79, and the diameter of circular hole 78 is greater than the width of square hole 79, less than the length of square hole 79.

Main shaft device comprises Z to guide rod 80, end cap 81, internal threaded nut 82; External screw thread nut 83, external screw thread nut 84, only the Z rotating shaft 85 of rotating relatively to guide rod 80; Drive the first rotor 86 and first stator 87 of rotating shaft 85 rotations, bearing 88, bearing 89; Be fixed on two article of the one Z on the same side of square hole 79 to line slide rail track 90, drive Z that Z moves up and down to guide rod 80 to drive unit.Convex with Z to guiding fixed part 91 at Z to the bilateral symmetry of guide rod 80; Z in guide rod 80, be provided with Z to the coaxial center ladder hole 92 of guide rod 80; On guiding fixed part 91, be fixed with the 2nd Z at Z, on line slide rail track 93, be provided with the guide groove 94 that cooperates to line slide rail track 90 with a Z at the 2nd Z to line slide rail track 93.On upper convex portion 72, be fixed with motor fixing plate 100.The one Z passes Y to slide 70 to line slide rail track 90, the 2nd Z to line slide rail track 93.Z to drive unit comprise one the 3rd drive motors 95, drive a Z that Z moves up and down to guide rod 80 to screw mandrel 96, Z to feed screw nut 106.Rotating shaft 85 comprises the macro-axis 97 that cooperates to guide rod 80 endoporus with Z, extend from the top of macro-axis 97 and be provided with the little axle of ladder 98, extend from the bottom of macro-axis 97 and be provided with little axle 99.In rotating shaft 85, be provided with central through hole 101.Bearing 88 be enclosed within on the big end of little axle 98 and be supported on the macro-axis 97 cooperate with the big end periphery of little axle 98 and with the macropore of the ladder hole 92 of guide rod 80 in Zhou Peihe.In through hole 92, be provided with the internal thread that the end contacts with bearing, cooperates with nut 84.The lower surface of nut 84 contacts and bearing 88 is fixed in the rotating shaft 85 with the upper surface of bearing 88.The first rotor 86 is enclosed within on the small end of little axle 98 and cooperates with the small end periphery of little axle 98 and be supported on little 98 the big end.Also comprise conducting ring 102 and brush 103.Conducting ring 102 is enclosed within and cooperates with the small end periphery of little axle 98 on the small end of little axle 98 and be supported on the first rotor 86.Be provided with external screw thread at the small end of little axle 98 near the top end of rotating shaft 85, thereby the internal thread of nut 82 contacts with the end face of conducting ring 102 the first rotor 86, conducting ring 102 is fixed in the rotating shaft 85 from top to bottom successively with external screw thread cooperation, the end face of little 98 small end.The shell 76 of first stator 87 is installed in the macropore of ladder hole 92, and bottom end face is supported on the nut 84.First stator 87 is installed in the shell 76.In the macropore of ladder hole 92, be provided with the internal thread that cooperates with nut 83; The top end of first stator 87 contacts with the bottom end face of nut 83; The interior Zhou Peihe of the shell periphery of first stator 87 and the macropore of ladder hole 92, the interior week of first stator 87 cooperates with the first rotor 86; The internal diameter of nut 83 is greater than the external diameter of conducting ring 102.Brush 103 be fixed on Z in guide rod 80 and with conducting ring 102 CONTACT WITH FRICTION, conducting ring 102 is electrically connected with spindle motor (not shown) and rotation axle electric machine 105 on being installed in rotating shaft 85 through electric wire.End cap 81 is fixed on the top of Z to guide rod 80.Z is fixed on the center of end cap 81 and stretches into Z in guide rod 80, rotating shaft 85 to feed screw nut 106, with Z to guide rod 80, rotating shaft 85 empty avoidings.The 3rd drive motors 95 is installed on the motor fixing plate 100; Z is connected with the 3rd drive motors 95 through axle coupling 107 to an end of screw mandrel 96; Z passes motor fixing plate 100 to the other end of screw mandrel 96 and cooperates to feed screw nut 106 with Z, and stretch into Z in guide rod 80, rotating shaft 85 with Z to guide rod 80, rotating shaft 85 empty avoidings.Z is installed in Y in slide 70 to guide rod 80.Z is passed to guide rod 80 and protrude Z to guide rod 80 in the lower end of rotating shaft 85.On the bottom end face of the mesopore that bearing 89 is installed on the little axle 99, bottom end face is supported on ladder hole 92, top end cooperates with the periphery of the top end applying of macro-axis 97, interior Zhou Yuxiao axle 99, the interior Zhou Peihe of periphery and ladder hole 92.

Embodiment 3

As shown in Figure 8; Different with embodiment 2 is; Y comprises Y to slide base plate 121 to slide 120, and the tubular upper guide bush 122 that is convexly equipped with vertically upward to slide base plate 121 from Y is from Y guide pin bushing 123 under the tubular that slide base plate 121 is convexly equipped with vertically downward; Y is square to slide base plate 121 peripheries, guide pin bushing 123 under periphery protrusion tubular upper guide bush 122, the tubular.

Main shaft device comprises the cylindrical Z that can move up and down to guide rod 126, and end cap 127 is installed in Z only Z rotating shaft 128 of rotating to guide rod 126 relatively in guide rod 126;, bearing 132, bearing 131; External screw thread nut 134 drives the first rotor 129 and first stator 130 that rotating shaft 128 is rotated, internal threaded nut 135; Drive Z that Z moves up and down to guide rod 126 to drive unit, spline part 125.Be provided with on guide rod 126 at Z and axially run through the spline groove 133 of Z, the spline part 125 that cooperates with spline groove 133 is installed in the sidewise hole 124 of tubular upper guide bush 122 to guide rod 126.In slide 120, be provided with the center circle through hole 136 that cooperates to guide rod 126 with Z at Y, Z is in guide rod 126 centering round tube holes 136.

Embodiment 4

As shown in Figure 9, different with embodiment 3 is that main shaft device comprises that the circular Z that can move up and down is to guide rod 240; End cap 241; Install Z in guide rod 240 only relatively Z drive the first rotor 243 and first stator 244 that rotating shaft 242 is rotated, bearing 245 to the rotating shaft 242 that guide rod 240 rotates; Drive Z that Z moves up and down to guide rod 240 to drive unit, prevent Z to guide rod 240 along guide rod axis horizontal direction spline structure rotationally.Be provided with the storage tank 246 that is communicated with to the side of guide rod 240 with Z to the top of guide rod 240 at Z; Spline structure comprises the 3rd spline piece 248, the 4th spline piece 247 that is installed in the storage tank 246; Between the 3rd spline piece 248, the 4th spline piece 247, be provided with the 3rd spring 249, end cap 241 is limited in the 3rd spline piece 248, the 4th spline piece 247 Z and on guide rod 240, moves in the setting range; In guide pin bushing 250, being provided with spline groove 251, the three spline pieces 248 at Z stretches in the spline groove 251 to the periphery of guide rod 240 away from a side of the 3rd spring 249 protrusion Z and cooperates with spline groove 251; Also be provided with on guide pin bushing 250 at Z and hold out against screw 252, hold out against screw 252 and hold out against the side that the 4th spline piece 247 deviates from the 3rd spline piece 248.

Z is fixed on Z on guide rod 240 to feed screw nut 253.The 3rd drive motors 254 is installed on the motor fixing plate 255; Z is connected with the 3rd drive motors 254 through axle coupling 257 to an end of screw mandrel 256; Z to the other end of screw mandrel 256 pass motor fixing plate 255, end cap 241 cooperates to feed screw nut 253 with Z, and stretch in the inner via hole 267 of rotating shaft 242 and rotating shaft 242 empty avoidings.

Z is passed to guide rod 240 in the lower end of rotating shaft 242, and one-body molded in rotating shaft 242 have a swing seat 258.Be installed in the swing seat 258 with the main processing headstock 263 integrated balance staffs of main processing head 259, on swing seat, also be equipped with and drive the drive motors 260 that balance staff rotates.

Be provided with conducting ring 264 in rotating shaft 242 peripheries; In rotating shaft 242, be provided with the electric wire containing hole 265 that is communicated with conducting ring 264; In electric wire containing hole 265, be equipped with electric wire 266; One end of electric wire 266 is electrically connected with conducting ring 264, and the other end is electrically connected with spindle motor and stator on being installed in rotating shaft 242; Conducting ring 264 is electrically connected with the brush friction (not shown) that is electrically connected external power source, and brush and Z are fixing to guide rod 240.

Embodiment 5

Shown in figure 10, different with embodiment 1 is that main shaft device comprises that the Z that has center circle through hole (not shown) that can move up and down is to guide rod 270; End cap 271, holder 272, swing seat 276; The swing seat drive unit, rotating shaft 279, rotating shaft drive unit; To line slide rail track 274, Z is to drive unit to line slide rail track 273, the two Z for the one Z.End cap 271 is fixed on Z to guide rod 270, and Z is fixed on the end cap to feed screw nut 275 to the Z of drive unit.

Holder 272 is fixed on Z on the bottom end face of guide rod 270.Swing seat 276 is a U-shaped.The rotating shaft drive unit comprises that being fixed on holder 272 lower ends drives the first rotor 277 and first stator 278 that swing seat 276 rotates.Rotating shaft 279 is fixed on the top of swing seat 276 and is installed in the first rotor 277.

Side at the U-shaped protuberance of swing seat 276 is equipped with second rotor 280 and second stator 281.The rotating shaft 284 of main processing headstock 283 1 sides of main processing head 282 is installed in the U-lag of swing seat 276, and the rotating shaft 285 of opposite side is installed in second rotor 280.

Embodiment 6

Shown in figure 11, different with embodiment 4 is that tubular upper guide bush 291 is fixed on Y on slide 292.

Embodiment 7

Shown in figure 12, different with embodiment 4 is on the side of guide rod 303, to be provided with the blind hole (not shown) at Z.Spline structure comprises the 3rd spline piece 302; Be provided with the 3rd spring 305 at the 3rd spline piece 302 and Z to 303 of guide rods; The 3rd spring 305, the 3rd spline piece are installed in the blind hole (not shown); The 3rd spring 305 is installed between the bottom surface and the 3rd spline piece 302 of blind hole (not shown), and the 3rd spline piece 302 protrusion Z are being provided with the spline groove 304 that cooperates with 302 of the 3rd splines to the periphery of guide rod 303 with Z in the pilot hole (not shown) that guide rod 303 cooperates.

Embodiment 8

Shown in figure 13, a kind of Digit Control Machine Tool comprises base 320, portal frame 321, workbench 322.Be provided with two first guide rails that cooperatively interact at

base

320 and 322 of workbench.First guide rail comprises two first linear slide tracks 324 that are provided with ball that are installed on the base 320, is fixed on the first guide rail slide 325 that workbench 322 bottom surfaces cooperate with the first linear slide track 324.Workbench 322 can slidably reciprocate along the first linear slide track 324.

Also comprise and drive first drive unit that workbench 322 moves back and forth; First drive unit comprises a table drive motor 326; Drive that workbench 322 moves back and forth, first screw mandrel 327 that with the motor shaft of table drive motor 326 be connected parallel with the first linear slide track 324; The first feed screw nut's (not shown) that cooperates with first screw mandrel 327, first feed screw nut is fixed on the bottom surface of workbench 322.First screw mandrel 327 is between two first linear slide tracks 324.

Both sides, front and back near base 320 on workbench 322 are fixed with the first screw mandrel mount pad 329; Table drive motor 326 is installed on the lateral surface of the first screw mandrel mount pad 329, and first screw mandrel 327 passes the first screw mandrel mount pad 329, first feed screw nut's (not shown), is installed on the first screw mandrel mount pad away from table drive motor 326 away from an end of table drive motor 326.

Also comprise slide 330, be provided with second guide rail at

portal frame

321 and 330 of slides.Second guide rail is a slide rail, comprises that two are fixed on the portal frame 321 and are positioned at the second linear slide track 332 on the same vertical plane, are fixed on the second guide rail slide 333 that slide 330 cooperates with the second linear slide track 332 on the side of portal frame.

Also comprise and drive second drive unit that slide 330 moves back and forth; Second drive unit comprises one second drive motors 334, drives that slide 330 moves back and forth, the Y that with the motor shaft of second drive motors 334 be connected parallel with second guide rail be to screw mandrel 335, and the Y that cooperates to screw mandrel 335 with Y is to feed screw nut 336.Y is installed in slide 330 on the side of portal frame 321 to feed screw nut 336.

Portal frame 321 on the side of slide 330, be equipped with Y to screw mandrel mount pad 337, Y to screw mandrel mount pad 339; Second drive motors 334 is installed in Y on the lateral surface of screw mandrel mount pad 337, Y to screw mandrel 335 away from an end of second drive motors 334 pass Y to screw mandrel mount pad 337, Y to feed screw nut 336, be installed in Y away from second drive motors 334 on screw mandrel mount pad 339.

Deviate from slide 330 on the side of portal frame 321 and be fixed with Z to guide pin bushing 338.Also be provided with and be installed in the main shaft device of Z on guide pin bushing 338.The structure of main shaft device is identical with embodiment 4.

Embodiment 9

Shown in figure 14; Different with embodiment 8 is that main shaft device comprises the circular Z that can move up and down to guide rod 350, the end cap (not shown); Drive Z that Z moves up and down to guide rod 350 to drive unit, prevent Z to guide rod 350 along guide rod axis horizontal direction spline structure rotationally.The cutter clamping head 351 of main processing head is directly installed on Z on guide rod 350.

Embodiment 10

To shown in Figure 17, different with embodiment 3 is like Figure 15, and Y comprises Y to sliding base plate 361 to slide 360, is fixed on the cylindrical shape guide pin bushing 362 of Y to sliding base plate 361 tops, the cylindrical protuberance 363 down that is convexly equipped with vertically downward to sliding base plate 361 from Y.In sliding base plate 361, following protuberance 363, be provided with through hole 364 at Y.Y is square to sliding base plate 361 peripheries, periphery protrusion guide pin bushing 362, following protuberance 363.

Main shaft device comprises Z to guide rod 370, end cap 371, external screw thread nut 372; External screw thread nut 373, bearing gland 374, only the Z rotating shaft 375 of rotating relatively to guide rod 370; Drive the first rotor 376 and first stator 377 of rotating shaft 375 rotations; Bearing 378, bearing 379 drives Z that Z moves up and down to guide rod 370 to drive unit.Z in guide rod 370, be provided with Z to the guide rod 370 coaxial aperture 365 that forms ladder hole from down to up, from small to large, mesopore 366, mesopore 367, macropore 382.In bearing gland 374, be provided with by macropore 384, aperture 387, form the big down little ladder hole of.Also comprise conducting ring 392 and brush 393.On guide pin bushing 362, be fixed with motor fixing plate 390.Z to drive unit comprise one the 3rd drive motors 385, drive a Z that Z moves up and down to guide rod 370 to screw mandrel 386, Z to feed screw nut 396.Rotating shaft 375 comprises little axle 368, axis 369, macro-axis 380, axis 381, little axle 383 from down to up.In rotating shaft 375, be provided with central through hole 391.Bearing 378 is installed in that its bottom end face contacts with the top end of macro-axis 380 on the periphery of axis 381.Bearing 379 is installed in the periphery of axis 369.Conducting ring 392 is installed in the periphery of little axle 383, and its bottom end face contacts with the top end of bearing 378.The first rotor 376 is installed in the periphery of little axle 383, and its bottom end face contacts with the top end of conducting ring 392.First stator 377 is installed in outside the first rotor 376.Little axle 368 stretches in the through hole 364, and the bottom end face of bearing 379 is supported on the bottom surface of mesopore 366, and the periphery of bearing 378, bearing 379 cooperates with the hole wall of mesopore 366.The end face of the macropore 384 of bearing gland 374 places on the first rotor 376 and first stator 377, and bearing 378 is pushed down in the bottom surface of bearing gland 374.In macropore 382, be provided with the screwed hole that cooperates with nut 372, nut 373.Through nut 372, nut 373 are screwed in the screwed hole bearing gland 374 are installed in Z to guide rod 370, thereby rotating shaft 368 is installed in rotation on Z in guide rod 370.Brush 393 be fixed on Z in guide rod 370 and with conducting ring 392 CONTACT WITH FRICTION.End cap 371 is fixed on the top of Z to guide rod 370.Z is fixed on the center of end cap 371 and stretches into Z in guide rod 370, rotating shaft 375 to feed screw nut 396, with Z to guide rod 370, rotating shaft 375 empty avoidings.The 3rd drive motors 385 is installed on the motor fixing plate 390; Z is connected with the 3rd drive motors 385 through axle coupling 397 to an end of screw mandrel 386; Z passes motor fixing plate 390 to the other end of screw mandrel 386 and cooperates to feed screw nut 396 with Z, and stretch into Z in guide rod 370, nut 372, nut 373, bearing gland 374, rotating shaft 375 with Z to guide rod 370, nut 372, nut 373, bearing gland 374, rotating shaft 375 empty avoidings.Z is in guide rod 370 is installed in guide pin bushing 362.Z is passed to guide rod 370 and protrude Z to guide rod 370 in the lower end of rotating shaft 375.

Lower end in rotating shaft 375 also is provided with swing seat 398; Second stator 399 is installed in swing seat 398, in second stator 399, is coaxially installed with second rotor 400, in second rotor 400, be coaxially installed with the balance staff 401 of horizontal direction, the main processing headstock 403 of main processing head 404 is one-body molded with balance staff 401.Conducting ring 392 through place in the through hole 391 electric wire 402 be installed in rotating shaft 375 on spindle motor (not shown) and second stator, 399 interior electrical connections.

Z is cylindrical to the targeting part of guide rod 370; Be provided with spline groove 405 at Z to guide rod 370 peripheries; The little side direction shoulder hole 409 of imperial palace outside in guide pin bushing 362, being provided with; The spline part 406 that can in the aperture of shoulder hole 409, move back and forth is installed in the aperture of shoulder hole 409; In the macropore of shoulder hole 409, be fixed with fixture 407, be provided with stage clip 408 at

fixture

407 and 406 of spline parts.Cooperate with spline groove 405 through spline part 406, prevent that Z from rotating when guide rod 370 moves up and down.

Drive screw mandrel 386 through motor 385 and rotate, feed screw nut's 396 relative screw mandrels 386 are only moved up and down, owing to feed screw nut 396 is fixing with end cap 371, Z is fixing with end cap 371 to guide rod 370, so Z only moves up and down with screw mandrel 386 rotations to guide rod 370.Rotating shaft 375 drives at Z only rotatable in guide rod 370 through first stator 377, the first rotor 376.

Embodiment 11

Shown in figure 18, different with embodiment 10 is, Y comprises Y to sliding base plate 421 to slide, the cylindrical shape guide pin bushing 422 that extends vertically upward to sliding base plate 421 tops from Y, the cylindrical protuberance 423 down that extends vertically downward to sliding base plate 421 from Y.

Main shaft device comprises Z to guide rod 424, end cap 425, external screw thread nut 426; External screw thread nut 427; Bearing gland 428, only Z drives the core motor 430 of rotating shaft 429 rotations to the rotating shaft 429 that guide rod 424 rotates relatively; Bearing 431, bearing 432 drive Z that Z move up and down to guide rod 424 to drive unit.Conducting ring 433 top end are over against the end face of the macropore 434 of bearing gland 428.Core motor 430 is installed on the end face of bearing gland 428, and the motor shaft of core motor 430 is connected with rotating shaft 429.Screw mandrel 435 stretches in the core motor 430.Rotating shaft 429 drives through core motor 430 and rotates, and rotating shaft 429 relative Z are only rotatable to guide rod 424.

Be provided with axial electric wire storage tank 437, one ends in the side of rotating shaft 429 and be connected with conducting ring 433, the motor wire connecting 438 in the other end and the rotating shaft 429 places in the electric wire storage tank 437.

Embodiment 12

Shown in figure 19, different with embodiment 2 is, the bearing 442 that is supported on the end face of macro-axis 441 of rotating shaft is fixing through bearing gland 443, and bearing gland 443 is fixed through being installed in nut 444, the nut 445 of Z to guide rod 440 in.Rotating shaft drives through core motor 446.The bottom end face of conducting ring 447 places on the top end of big end of the little axle of the ladder of rotating shaft 448, and top end is over against core motor 446.Core motor 446 is installed on the end face of bearing gland 443, and the motor shaft of core motor 446 is connected with rotating shaft.Screw mandrel 449 can stretch in the core motor 446.Rotating shaft drives through core motor 446 and rotates, and the relative Z of rotating shaft is only rotatable to guide rod 440.

Embodiment 13

Shown in figure 20, different with embodiment 10 is, in the endoporus of the columnar protuberance 465 down of slide 460, along the circumferential direction evenly is fixed with and independently inserts 461, inserts 462 at Y, inserts 463.Z inserts 461, insert 462, insert 463, forms concentric periphery.Rotating shaft 464 with insert 461, insert 462,463 the inner peripheral surface inserted cooperates.Insert 461, insert 462, inserting 463 is equipped with coolant flow channel 464.

In the present invention, on main processing head, can be provided with cutter clamping head or main processing head and be head or welding gun or laser gun or plasma cutting gun or screw rifle or the cutter of spraying paint.When on cutter clamping head, milling cutter being installed, can realize the function of milling; When on cutter clamping head, emery wheel being installed, can realize the function of grinding; When on cutter clamping head, boring cutter being installed, can realize the function of bore hole; When on cutter clamping head, drill bit being installed, can realize the function of holing; When main processing head when spraying paint, can realize the function that sprays; When main processing head is welding gun, can realize the function of welding; When main processing head is laser gun, can realize cut with or the function of laser weld; When main processing head is plasma cutting gun, can realize the function of plasma cutting; When main processing head is the screw rifle, can realize adorning the function of screw.Because the structure of main processing head all can adopt existing structure, so describe no longer one by one in the present invention.

Claims

1. a numerical control device comprises main shaft device, and the slide of main shaft device is installed, the slide drive unit, the clamping workpiece device, main processing head is characterized in that: main shaft device comprise Z to guide rod, drive Z that Z moves up and down to guide rod to drive unit; Z only can be installed together with slide to guide rod with moving up and down; Also comprise be installed in Z in guide rod only relatively Z to guide rod rotating shaft rotationally, rotating shaft drive unit; Z comprises a Z to drive motors to drive unit, and a Z who is connected with the motor shaft of drive motors is to screw mandrel, with Z to screw mandrel fit screw rod nut; On slide, upwards be provided with the support portion, on the support portion, be provided with motor mounting plate, Z is fixed on the motor mounting plate to drive motors, and Z passes motor mounting plate to screw mandrel away from an end of drive motors; Feed screw nut and Z fix to guide rod, and main processing head is arranged on Z to the guide rod below; Be provided with conducting ring in the rotating shaft periphery, in rotating shaft, be provided with the electric wire containing hole or the electric wire storage tank that are communicated with conducting ring, in electric wire containing hole or electric wire storage tank, be equipped with electric wire; One-body molded in the lower end of rotating shaft have or be fixed with swing seat; Also comprise the balance staff and the balance staff drive unit that are installed on the swing seat, the main processing headstock of described main processing head is fixed on the balance staff or is one-body molded with balance staff; One end of electric wire is electrically connected with conducting ring, and the other end is electrically connected with motor on being installed in rotating shaft; Conducting ring is electrically connected with the brush friction that is electrically connected external power source, and brush and Z fix to guide rod.

2. a kind of numerical control device as claimed in claim 1; It is characterized in that: Z is up big and down small shoulder hole to the hole that guide rod cooperates with rotating shaft; Be provided with protuberance radially in the upper end of rotating shaft, the lower bearing that contacts with the bottom surface of the protuberance of rotating shaft and the upper bearing (metal) that contacts with the end face of the protuberance of rotating shaft are installed in the macropore of shoulder hole; Lower bearing is supported on the shoulder hole, and rotating shaft cooperates to guide rod with Z through upper bearing (metal), lower bearing.

3. a kind of numerical control device as claimed in claim 1; It is characterized in that: Z is up big and down small shoulder hole to the hole that guide rod cooperates with rotating shaft; Be provided with little axle at the two ends of rotating shaft, in the macropore of shoulder hole, be equipped with the little axle in the lower end of rotating shaft and the lower bearing that cooperates, with the little upper bearing (metal) that cooperates in the upper end of rotating shaft; Lower bearing is supported on the shoulder hole, and rotating shaft cooperates to guide rod with Z through upper bearing (metal), lower bearing.

4. a kind of numerical control device as claimed in claim 1 is characterized in that: on main shaft device, also be provided with coolant flow channel.

5. a kind of numerical control device as claimed in claim 1 is characterized in that: the rotating shaft drive unit comprises the first rotor of the periphery that is installed in rotating shaft, is installed in first stator that Z cooperates with the first rotor in guide rod.

6. a kind of numerical control device as claimed in claim 1 is characterized in that: the balance staff drive unit comprises second stator that is installed in the swing seat, is installed in second rotor in second stator; Balance staff is coaxial to be installed in second rotor, and the main processing headstock of described main processing head is fixed on the balance staff or is one-body molded with balance staff; Electric wire in described electric wire containing hole or the electric wire storage tank is electrically connected with second stator away from an end of conducting ring.

7. a kind of numerical control device as claimed in claim 1; It is characterized in that: be fixed with Z to feed screw nut's installing plate to the top of guide rod at Z; Z is fixed on Z to feed screw nut's installing plate center to the feed screw nut, and Z is coaxial to guide rod to feed screw nut and Z to drive motors, Z; The rotating shaft drive unit is installed in Z in guide rod.

8. a kind of numerical control device as claimed in claim 1 is characterized in that: the rotating shaft drive unit comprises core motor, and core motor and Z fix to guide rod, the upper end of rotating shaft and core motor motor shaft be connected.

9. a kind of numerical control device as claimed in claim 1 is characterized in that: the balance staff drive unit comprises drive motors; Balance staff is connected with the motor shaft of drive motors, and balance staff passes swing seat away from an end of drive motors and links together with main processing headstock.

10. a kind of numerical control device as claimed in claim 1 is characterized in that: also be fixed with holder at Z to the lower end of guide rod; The rotating shaft drive unit comprises first stator that is installed in the holder lower end, is installed in the first rotor of first stator, and rotating shaft is fixed with main processing headstock, and rotating shaft only is installed in rotation in the first rotor.

11. like any described a kind of numerical control device of claim 1 to 10, it is characterized in that: described support portion is the upper guide bush of the tubulose that cooperates to guide rod with Z; Below slide, also be provided with the following guide pin bushing of the tubulose that cooperates to guide rod with Z; In upper guide bush, slide, following guide pin bushing, be provided with the pilot hole that connects ordinatedly to guide rod with Z, Z can be installed in the pilot hole to guide rod with moving up and down, the top of the pilot hole of motor mounting plate sealing upper guide bush.

12. like any described a kind of numerical control device of claim 1 to 10; It is characterized in that: in slide, be fixed with two article of the one Z to the line slideway track; Convex with Z to the guiding fixed part at Z to the bilateral symmetry of guide rod, on the guiding fixed part, all be fixed with the 2nd Z that cooperates to the line slideway track with a corresponding Z to the line slideway track at Z.

13. like any described a kind of numerical control device of claim 1 to 10, it is characterized in that: Z is cylindrical to the targeting part of guide rod; On guide rod, be provided with the spline groove at Z, on slide, be provided with the Z that cooperates to guide rod with Z to guide pin bushing, Z to guide pin bushing and Z between guide rod, be provided with prevent Z to guide rod along guide rod axis horizontal direction spline structure rotationally.

14. a kind of numerical control device as claimed in claim 11; It is characterized in that: spline structure comprises the spline piece; On the side of guide pin bushing, be provided with the ccontaining through hole of the horizontal direction of ccontaining spline piece at Z; Be provided with abutment at ccontaining through hole towards the end of Z, between spline piece and abutment, be provided with spring to the guide pin bushing outside; On the side of guide rod, be provided with the spline groove that cooperates with the spline piece at Z, spline piece protrusion and Z are in the pilot hole that guide rod cooperates stretches into the spline groove.

15. like any described a kind of numerical control device of claim 1 to 10, it is characterized in that: Z is fixed on Z on guide rod to the feed screw nut; Also be provided with prevent Z to guide rod along guide rod axis horizontal direction spline structure rotationally; Spline structure comprises the spline piece, and the holding part in that Z is provided with ccontaining spline piece on guide rod is provided with back-moving spring at spline piece and Z between guide rod; Spline piece protrusion Z is being provided with the spline groove that cooperates with the 3rd spline piece to the periphery of guide rod with Z in the pilot hole that guide rod cooperates.

16. a kind of numerical control device as claim 15 is stated is characterized in that: described holding part is to be arranged on the blind hole of Z on the guide rod side, and the 3rd spring is installed between the bottom surface and the 3rd spline piece of blind hole; The 3rd spline piece cooperates with the spline groove to the periphery of guide rod away from the side protrusion Z of spring.

17. a kind of numerical control device as claimed in claim 15 is characterized in that: storage tank is arranged on Z and is communicated with to the side of guide rod to the top of guide rod and with Z; Spline structure also comprises and is installed in the 4th spline piece, end cap, and the 3rd spring is installed between the 3rd spline piece, the 4th spline piece and is provided with the 3rd spring, and end cap is limited in Z with the 3rd spline piece, the 4th spline piece and on guide rod, moves in the setting range; The 3rd spline piece protrusion Z cooperates with the spline groove to the periphery of guide rod.

18., it is characterized in that like any described a kind of numerical control device of claim 1 to 10: the upper guide bush of the support portion that slide upwards is provided with for cooperating to guide rod with Z, on slide also to having time guide pin bushing; The top of the pilot hole of motor mounting plate sealing upper guide bush; Z is installed in Z to guide rod, Z in guide pin bushing to drive unit; In guide pin bushing, be provided with guiding and insert, rotating shaft is inserted with guiding and is cooperated.