CN102717306B - A kind of numerical control device - Google Patents

A kind of numerical control device Download PDF

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Publication number
CN102717306B
CN102717306B CN201210013794.6A CN201210013794A CN102717306B CN 102717306 B CN102717306 B CN 102717306B CN 201210013794 A CN201210013794 A CN 201210013794A CN 102717306 B CN102717306 B CN 102717306B
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CN
China
Prior art keywords
guide rod
rotating shaft
slide
fixed
electric wire
Prior art date
Application number
CN201210013794.6A
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Chinese (zh)
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CN102717306A (en
Inventor
杨东佐
Original Assignee
杨东佐
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Priority to CN201110282604.6 priority Critical
Priority to CN2011102826046 priority
Priority to CN201110282604 priority
Priority to CN2011103515307 priority
Priority to CN201110351530.7 priority
Priority to CN201110351530 priority
Application filed by 杨东佐 filed Critical 杨东佐
Priority to CN201210013794.6A priority patent/CN102717306B/en
Publication of CN102717306A publication Critical patent/CN102717306A/en
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Publication of CN102717306B publication Critical patent/CN102717306B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/012Portals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015Frames, beds, pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02Driving main working members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/28Electric drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/36Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission in which a servomotor forms an essential element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw

Abstract

A kind of numerical control device, comprises main shaft device, slide, slide drive unit, clamping workpiece device, main processing head; Z-direction guide rod only can be installed together with slide up and down; Being arranged in Z-direction guide rod only can Z-direction guide rod rotating shaft rotationally relatively; Z-direction feed screw nut and Z-direction guide rod are fixed; Be provided with conducting ring in rotating shaft periphery, rotating shaft be provided with the electric wire accommodating hole or electric wire storage tank that are communicated with conducting ring, in electric wire accommodating 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; One end of electric wire is electrically connected with conducting ring, and the other end is electrically connected with the main processing head drive motors be arranged in rotating shaft and balance staff drive unit; Conducting ring is electrically connected with the brush friction being electrically connected external power source, and brush and Z-direction guide rod are fixed; Advantage is that rotating shaft can continuous 360 ° of rotations, and the electric wire be connected with spindle motor and rotating shaft drive unit can not twist 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, NC laser cutting equipment, NC laser welding equipment, CNC Plasma Cutting equipment, numerical control dress screws appts, numerical control gas cutting equipment etc.
Background technology
Existing numerical control device, in order to realize the part of energy processed complex, generally need 5-axis movement to process, namely X-axis, Y-axis, Z axis move back and forth processing, and balance staff rotates in certain angle, rotating shaft or workbench 360 ° of continuous rotations motions.
But existing numerical control device, one be install processing head (in the industry also known as universal processing head) although balance staff can swing certain angle, but rotating shaft can only in certain angle reciprocal positive and negative rotation back and forth, if continuous 360 ° of rotating shaft rotates towards same direction, the electrical connection balance staff drive unit be installed together with rotating shaft and the electric wire of processing head, can be intertwined because of the continuous rotation of rotating shaft, when continuous rotation winding is always gone down, electric wire just can be twisted off, and causes processing head normally to work.The rotating shaft of existing numerical control device can only to do in certain angle back and forth back and forth positive and negative rotation, universal processing head as the CYTEC company of Germany can realize the reciprocating back and forth rotation of +/-370 °, in order to realize the processing particularly turnery processing of complex parts, be arranged on workbench on base must continuous 360 ° rotate towards same direction, when this numerical control device is used for turnery processing (forward formula turnery processing), worktable rotary, because the Heavy Weight of the workbench of clamping workpiece and the weight ratio main shaft device of workpiece and bogey thereof that need motion is a lot, particularly when the weight of workpiece is very large, such as 3 tons and even 100 tons or larger time, the rotary table of such installation workpiece just needs very large volume, take up room large, drive the power of worktable rotary large, waste energy, during rotary table rotary motion, vibrations are large and rotatory inertia large, reduction equipment precision, and working environment noise is large, especially more than the heavy industry part of 100 tons, then more very.
If application number is in the patent of invention of 03278066.4, disclose a kind of five-axle linkage gantry numerical control milling machine, there is base, workbench, left and right pillar, crossbeam, slide carriage, ram, electro spindle head, the U-shaped frame of electro spindle, workbench X-axis driving mechanism, slide carriage Y-axis driving mechanism, ram Z axis driving mechanism, electro spindle head system is by the electro spindle head of built-in servomotor Direct driver, and electro spindle head by the A axle of symmetry set by its both sides and electro spindle U-shaped put up to rotate link, the U-shaped frame of electro spindle with to be installed in ram and to become the rotatable C axle linked to be fixedly connected with, electro spindle head can be rotated around A axle and C axle respectively by A axle rotary drive mechanism and C axle rotary drive mechanism.A axle rotary drive mechanism, C axle rotary drive mechanism are all have stage-geared Chain conveyer, and gap is many, is difficult to ensure card precision, and drive mechanism is complicated; Although A axle rotary drive mechanism adopts the gear reduced drive chain of gear clearance elimination reducing transmission structure, but just there is certain improvement to minimizing gear transmission chain gap, gear transmission chain gap can not be eliminated, still can affect the machining accuracy of gantry numerical control milling machine, the high-precision requirement of planer-type milling machine cannot be met.If this invention C axle is 360 ° of continuous rotations, due to electro spindle head by the A axle of symmetry set by its both sides and electro spindle U-shaped put up to rotate link, the U-shaped frame of electro spindle with to be installed in ram and to become the rotatable C axle linked to be fixedly connected with, the electric wire of the servomotor linking electro spindle head and drive A axle to rotate can because continuous 360 ° of C axle rotate and are intertwined, when continuous rotation winding is always gone down, electric wire just can be twisted off, and causes ten thousand electro spindle heads normally to work.
If application number is in the patent of invention of 200920031017.8, disclose a kind of Bidirectional revolute joint used for five-shaft numerical control machine, the electro spindle comprising electric spindle support and be 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, it is affixed that the other end of C axle cycloid speed reducer and C axle fix end cap, and C axle is fixed end cap and is fixed on 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 support.This five-axle number control machine tool drives electro spindle to realize rotating around C axle by C axle cycloid speed reducer, one end and the C axle cycloid speed reducer of CA revolute are affixed, the other end of CA revolute is fixed with A axle servomotor, the electric wire be connected with A axle servomotor and electro spindle can because continuous 360 ° of C axle rotate and are intertwined, when continuous rotation winding is always gone down, electric wire just can be twisted off, and causes universal processing head normally to work, therefore C axle rotating in certain angle only.
If application number is in the patent of invention of 21010514827.6, disclose a kind of numerical control plasma six, comprise the end-rack of crossbeam both sides, two end-rack are all connected with longitudinal moving device and are placed on track, horizontal mobile device is arranged on crossbeam, main frame is connected with lifting and moving device through bracket, lifting and moving device is connected with horizontal mobile device, main frame comprises and is arranged on bracket upper case, mounting rotary electric machine on this cabinet top, the output shaft of described electric rotating machine (8) is connected with the ball screw in cabinet, the upper end of ball screw is installed pinion and is threaded, described cabinet is also provided with the hollow rotary shaft that power supply cable passes, this rotating shaft connects gear wheel, gear wheel engages with described pinion, lower end and " C " shape connector upper end of rotating shaft are fixed, " C " shape connector is installed the reduction box that oscillating motor drives, this reduction box engages with semicircle tooth bar through gear, semicircle tooth bar is installed cutting torch seat.The transmission of this employing multi-stage gear mechanical chain drives rotating shaft, and gap is many, is difficult to ensure card precision.The electric wire be connected with oscillating motor and cutting torch can because continuous 360 ° of rotating shaft rotate and are intertwined, and when continuous rotation winding is always gone down, electric wire just can be twisted off, and causes cutting torch normally to work, therefore rotating shaft rotating in certain angle only.
If application number is in the patent of invention of 201020561238.9, disclose a kind of combined A/C axle double pivot angle numerical controlled universal milling head, milling head is by A, C axle two turning unit compositions, wherein, the structure of A axle unit is: electro spindle is inserted in main spindle box, main spindle box is left by A axle, the crossed roller bearing R A axle of right both sides is left, the water collar of right both sides is supported in the U-shaped fork body that drum left shell and L-type right shell body be combined into, and in drum left shell R L-type right shell body, be arranged in parallel two external-rotor-type force moment motors, on the left of A axle, right side torque motor stator is connected with drum left shell and L-type right shell body respectively, A axle is left, right side torque motor rotor is installed on main spindle box both sides simultaneously, A axle distribution oil ring is provided with between main spindle box and L-type right shell body, the structure of C axle unit is: mandrel is arranged in C axle distribution oil ring, the rear end of mandrel is coordinated with rear end cap by end support bearing, the front end of mandrel is connected with front end driving member, C axle water collar is coordinated with mandrel by C axle distribution oil ring, C axle upper and lower end torque motor is fixed to be connected with rear end cap by the C axle water collar of inner side, and rear end cap is connected with shell body, C axle upper end torque motor rotor is connected with the spacer in outside, and spacer is connected with front end driving member, and C axle lower end torque motor rotor is directly connected with front end driving member, and front end driving member is connected with the L-type right shell body of A axle unit by turntable bearing.Although adopt direct driving motor to drive the motion of A axle, C axle in this invention, because A axle unit is arranged on C axle, with on the left of A axle, the electric wire that is connected of right side torque motor stator can because continuous 360 ° of A axle rotate and are intertwined, when the continuous rotation winding always of A axle is gone down, electric wire just can be twisted off, cutting torch is caused normally to work, therefore A axle rotating in certain angle only.
Also have a kind of balance staff to be arranged on main shaft, main shaft can 360 ° rotate continuously, but the driving of balance staff must adopt the transmission of multi-stage gear mechanical chain to drive.If application number is in the patent of invention of 200610118881.2, disclose a kind of digital control boring spindle of processing deep blind-hole bottom inner camber, comprise boring bar cover, this boring bar also comprises swing knife bar, swinging axle, the servomotor be connected is overlapped with boring bar, power transmission shaft, wobble drive gear, bevel gear pair, described swing knife bar rear portion is provided with wobble gear, servo motor output shaft by coupling spindle be fixed on boring bar overlap in bearing block in power transmission shaft be fixedly connected with, power transmission shaft drives driven bevel pinion by driving bevel gear and be arranged on the wobble drive gear revolution on transition axis together with driven bevel pinion, wobble drive gear engages with the wobble gear swinging knife bar, drive swinging axle and swing knife bar and make rotary oscillation.The transmission of this employing multi-stage gear mechanical chain drives balance staff, the factor such as gap, elastic deformation is there is in driving-chain, these factors all can have influence on precision, and, whole mechanism manufacture assembly precision require also high, complex structure, volume large, Heavy Weight, cost are also higher.
Application number is in the utility model patent of 200520133730.5, disclose a kind of automatic digital-controlled pipe cutter, by fuselage, diced system, material feed clamping system, digital control system, cooling system forms, diced system has main shaft that it is fixed with feed motor, motor drives screw mandrel to rotate by gear drive, screw mandrel makes slide block moving linearly, slide block is equipped with cutting tool, the power supply of motor passes through brush, electricity ring lead into, solved and the wire intertwist problem being arranged on the motor that main shaft rotates with main shaft by brush although the program discloses, but be all arranged on main shaft except brush and rotate with main shaft, but its problem solved is the problem of cutter swivel feeding, instead of do not move being arranged on the workbench on base, solving 5-axis movement Digit Control Machine Tool is the part of processed complex, the particularly turnery processing of 5-axis movement, the Compound Machining complex parts of turning and milling.
Application number is in the utility model patent of 200920241455.7, disclose a kind of numerical control direct-drive C shaft mechanism of electric spark molding machine, a motor mount is fixedly installed at the Z axis end of described electric spark shaping mill, this motor mount is provided with a direct driving motor, described direct driving motor has shell and rotating shaft, the relative motor mount of this shell is fixedly connected with, rotating shaft be hollow shaft and gyratory directions for turn round around Z axis; Be equipped with one in the hollow hole of described hollow shaft and enter electric axis, this enters the relative hollow shaft insulation of electric axis and is fixedly connected with; A cavity is provided with in described motor mount, this upper end entering electric axis extends in described cavity, be arranged in entering in electric axis of cavity and be circumferentially provided with an annular contact surface, to should being provided with one and entering brush by annular contact surface, this enters brush insulating mounting on described motor mount, and the working face entering brush contacts with annular contact surface and coordinates; Described enter the lower end of electric axis be provided with electrode holder.Solve and the electrical connection problem being arranged on the electrode holder that rotating shaft is rotated with rotating shaft although the program discloses by entering brush, enter electric axis, but its problem solved is the problem adopting direct driving motor spark machined, instead of do not move being arranged on the workbench on base, solve the Compound Machining complex parts of turnery processing that 5-axis movement Digit Control Machine Tool is the part of processed complex, particularly 5-axis movement, turning and milling.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of rotating shaft and the electric wire of 360 ° are rotated continuously, electrical connection and rotating shaft are installed together balance staff drive unit and main processing head can not be wound around, workbench in mounting seat good stability when not needing to rotate and just can realize 5-axis movement processed complex part particularly turning complex parts, main processing head move up and down, not easily produces the numerical control device of uneven torsion.
A kind of numerical control device, comprises main shaft device, installs the slide of main shaft device, slide drive unit, clamping workpiece device, main processing head, the Z-direction drive unit that main shaft device comprises Z-direction guide rod, drives Z-direction guide rod to move up and down; Z-direction guide rod only can be installed together with slide up and down; Also comprise that be arranged in Z-direction guide rod only can Z-direction guide rod rotating shaft rotationally relatively, rotating shaft drive unit; Z-direction drive unit comprises a Z-direction drive motors, the Z-direction screw mandrel be connected with the motor shaft of drive motors, the feed screw nut coordinated with Z-direction screw mandrel; Slide is upwards provided with support portion, support portion is provided with motor mounting plate, Z-direction drive motors is fixed on motor mounting plate, and Z-direction screw mandrel passes motor mounting plate away from one end of drive motors; Feed screw nut and Z-direction guide rod are fixed, and main processing head is arranged on below Z-direction guide rod; Be provided with conducting ring in rotating shaft periphery, rotating shaft be provided with the electric wire accommodating hole or electric wire storage tank that are communicated with conducting ring, in electric wire accommodating 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 and be arranged on balance staff on swing seat and balance staff drive unit, and the main processing headstock of described main processing head to be fixed on balance staff or 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 the motor be arranged in rotating shaft; Conducting ring is electrically connected with the brush friction being electrically connected external power source, and brush and Z-direction guide rod are fixed; Rotating shaft drive unit comprises the first rotor of the periphery being arranged on rotating shaft, is arranged on the first stator coordinated with the first rotor in Z-direction guide rod.
As the improvement of scheme one, the hole that Z-direction guide rod coordinates with rotating shaft is up big and down small shoulder hole, be provided with radial protuberance in the upper end of rotating shaft, the lower bearing contacted with the bottom surface of the protuberance of rotating shaft and the upper bearing (metal) contacted with the end face of the protuberance of rotating shaft are installed in the macropore of shoulder hole; Lower bearing is supported on shoulder hole, and rotating shaft is coordinated with Z-direction guide rod by upper bearing (metal), lower bearing.The structure that the protuberance of rotating shaft coordinates with upper bearing (metal), lower bearing, makes Z-direction guide rod, rotating shaft is easily processed, easily installs, easily ensure precision.
As the improvement of scheme one, the hole that Z-direction guide rod coordinates with rotating shaft is up big and down small shoulder hole, be provided with little axle at the two ends of rotating shaft, be provided with in the macropore of shoulder hole and the little axle in the lower end of rotating shaft and the lower bearing coordinated, the upper bearing (metal) that coordinates with the little axle in the upper end of rotating shaft; Lower bearing is arranged on the bottom surface of the minimum aperture of shoulder hole, and rotating shaft is coordinated with Z-direction guide rod by upper bearing (metal), lower bearing.The structure that the little axle at rotating shaft two ends coordinates with upper bearing (metal), lower bearing, makes Z-direction guide rod, rotating shaft is easily processed, easily installs, easily ensure precision.
As the improvement of scheme one, main shaft device is also provided with coolant flow channel.Coolant flow channel takes away the heat on main shaft device, reduces the overheating deforming such as Z-direction guide rod, rotating shaft of main shaft device.
As the improvement of scheme one, balance staff drive unit comprises the second stator be arranged in swing seat, is arranged on the second rotor in the second stator; Balance staff is coaxially arranged in the second rotor, and the main processing headstock of described main processing head to be fixed on balance staff or one-body molded with balance staff; Electric wire in described electric wire accommodating hole or electric wire storage tank is electrically connected with the second stator away from one end of conducting ring.Balance staff be driven through the second stator and bitrochanteric cooperation realizes, structure is simple, easy for installation, reduces installing space.
As the improvement of scheme one, be fixed with Z-direction feed screw nut installing plate at the top of Z-direction guide rod, Z-direction feed screw nut is fixed on Z-direction feed screw nut installing plate center, and Z-direction drive motors, Z-direction feed screw nut are coaxial with Z-direction guide rod; Rotating shaft drive unit is arranged in Z-direction guide rod, moving equilibrium when main processing head is moved up and down, good stability.
As the common improvement of scheme one to seven, described support portion is the upper guide bush of the tubulose coordinated with Z-direction guide rod; The lower guide pin bushing of the tubulose coordinated with Z-direction guide rod is also provided with in the below of slide; In upper guide bush, slide, lower guide pin bushing, be provided with the pilot hole through ordinatedly with Z-direction guide rod, Z-direction guide rod can be arranged in pilot hole up and down, the top of the pilot hole of motor mounting plate sealing upper guide bush.The below of slide and above be equipped with guide pin bushing, increase the guiding length of Z-direction guide rod, improve the guide effect of Z-direction guide rod.The top of pilot hole of motor mounting plate sealing upper guide bush, dust not easily enters the gap between Z-direction guide rod and guide pin bushing, improves guide effect further, reduces because dust enters the wearing and tearing of guiding clearance.
As the improvement of scheme one, balance staff drive unit comprises drive motors; Balance staff is connected with the motor shaft of drive motors, and balance staff links together through swing seat and main processing headstock away from one end of drive motors.Balance staff is directly driven by driving device motor, and structure is simple, and cost is low.
As the common improvement of scheme one to seven, two the first Z-direction line slideway tracks are had at slide internal fixtion, be convexly equipped with Z-direction fixed guide bonding part in the bilateral symmetry of Z-direction guide rod, Z-direction fixed guide bonding part is all fixed with the second Z-direction line slideway track coordinated with the first corresponding Z-direction line slideway track.Coordinate Z-direction guiding by the first Z-direction line slideway track and the second Z-direction line slideway track, guide effect is good, and Z-direction guide rod does not need bamboo product spline structure.Particularly when after the first Z-direction line slideway track and the second Z-direction line slideway path wear, only need change the first Z-direction line slideway track and the second Z-direction line slideway track, not need to change Z-direction guide rod.
As the common improvement of scheme one to seven, the targeting part of Z-direction guide rod is cylindrical; Z-direction guide rod is provided with spline groove, slide is provided with the Z-direction guide pin bushing coordinated with Z-direction guide rod, be provided with between Z-direction guide pin bushing and Z-direction guide rod and prevent Z-direction guide rod along guide rod axis horizontal direction spline structure rotationally.Prevent Z-direction guide rod from rotating with spline structure, structure is simple, and the design of each part is convenient.
As the improvement of such scheme, spline structure comprises anti-rotation block, the side of Z-direction guide pin bushing is provided with the accommodating through hole of the horizontal direction of accommodating anti-rotation block, is provided with abutment at accommodating through hole towards the one end outside Z-direction guide pin bushing, between anti-rotation block and abutment, is provided with spring; The side of Z-direction guide rod is provided with the spline groove coordinated with anti-rotation block, and anti-rotation block protrudes the pilot hole coordinated with Z-direction guide rod and stretches in spline groove.Be arranged on by spline structure in Z-direction guide pin bushing, structure is simple, easy for installation.
As the common improvement of scheme one to seven, Z-direction guide rod only can be installed together with slide up and down; Z-direction feed screw nut is fixed on Z-direction guide rod; Also be provided with and prevent Z-direction guide rod along guide rod axis horizontal direction spline structure rotationally; Spline structure comprises the 3rd anti-rotation block, Z-direction guide rod is provided with the holding part of accommodating 3rd anti-rotation block, is provided with the 3rd spring between the 3rd anti-rotation block and Z-direction guide rod; 3rd anti-rotation block protrudes the periphery of Z-direction guide rod, is provided with the spline groove coordinated with the 3rd anti-rotation block in the pilot hole coordinated with Z-direction guide rod.By anti-rotation block spline, structure is simple, because spring has cushioning effect, well can ensure that Z-direction guide rod can not make Z-direction guide rod smoothly rotationally and move up and down.
As the improvement of such scheme, described holding part is be arranged on the blind hole on Z-direction guide rod side, and the 3rd spring fitting is between the bottom surface of blind hole and the 3rd anti-rotation block; 3rd anti-rotation block protrudes periphery and the spline slot fit of Z-direction guide rod away from the side of spring.Spline structure is arranged in the blind hole on Z-direction guide rod side, and structure is simple.
As the another improvement of such scheme, storage tank is arranged on the top of Z-direction guide rod and is communicated with the side of Z-direction guide rod; Spline structure also comprises and is arranged on the 4th anti-rotation block, end cap, and the 3rd spring fitting is provided with the 3rd spring between the 3rd anti-rotation block, the 4th anti-rotation block, and the 3rd anti-rotation block, the 4th anti-rotation block are limited on Z-direction guide rod and move in setting range by end cap; 3rd anti-rotation block protrudes periphery and the spline slot fit of Z-direction guide rod.Spline structure is arranged in the storage tank at Z-direction guide rod top, easy for installation.
As the common improvement of scheme one to seven, the support portion that slide is upwards provided with is the upper guide bush coordinated with Z-direction guide rod, also to having lower guide pin bushing on slide; The top of the pilot hole of motor mounting plate sealing upper guide bush; Z-direction guide rod, Z-direction drive unit are arranged in Z-direction guide pin bushing; In guide pin bushing, be provided with guiding insert, rotating shaft coordinates with guiding insert.Rotating shaft coordinates with guiding insert, reduces frictional force, reduces guiding frictional contact surface, reduces fricative heat, is easy to heat simultaneously and goes out from the interstitial row between lower guide pin bushing, guiding insert, rotating shaft, reduce the distortion of rotating shaft.
A kind of numerical control device, comprises main shaft device, installs the slide of main shaft device, slide drive unit, clamping workpiece device, main processing head, the Z-direction drive unit that main shaft device comprises Z-direction guide rod, drives Z-direction guide rod to move up and down; Z-direction guide rod only can be installed together with slide up and down; Also comprise that be arranged in Z-direction guide rod only can Z-direction guide rod rotating shaft rotationally relatively, rotating shaft drive unit; Z-direction drive unit comprises a Z-direction drive motors, the Z-direction screw mandrel be connected with the motor shaft of drive motors, the feed screw nut coordinated with Z-direction screw mandrel; Slide is upwards provided with support portion, support portion is provided with motor mounting plate, Z-direction drive motors is fixed on motor mounting plate, and Z-direction screw mandrel passes motor mounting plate away from one end of drive motors; Feed screw nut and Z-direction guide rod are fixed, and main processing head is arranged on below Z-direction guide rod; Be provided with conducting ring in rotating shaft periphery, rotating shaft be provided with the electric wire accommodating hole or electric wire storage tank that are communicated with conducting ring, in electric wire accommodating 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 and be arranged on balance staff on swing seat and balance staff drive unit, and the main processing headstock of described main processing head to be fixed on balance staff or 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 the motor be arranged in rotating shaft; Conducting ring is electrically connected with the brush friction being electrically connected external power source, and brush and Z-direction guide rod are fixed; Also holder is fixed with in the lower end of Z-direction guide rod; Rotating shaft drive unit comprises the first stator being arranged on holder lower end, is arranged on the first rotor of the first stator, and rotating shaft is only installed in rotation in the first rotor.Structure is simple, and the length of rotating shaft is short, not yielding.
The invention has the beneficial effects as follows: use brush and conducting ring, rotating shaft can 360 ° of continuous rotations, be installed together with rotating shaft the electric wire being electrically connected main processing head and balance staff drive unit to 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 is when X does circular motion to the plane with Y-direction place, by 360 ° of continuous rotations of rotating shaft, processing head can meet the needs of machining angle all the time, and not needing clamping workpiece device to move can processed complex part.Single, be convenient to realize Z-direction guide rod and move up and down or rotate or the axis of rotation of drive installation in Z-direction guide rod.Particularly be fixed on the workbench on base for adding man-hour trade union college, the reverse type turnery processing that workpiece need not rotate, the turning cutting tool of processing head terminal is needed to keep an angle with the center of workpiece all the time, and turning cutting tool will remain that this angle just needs universal processing head must can do unlimited continuous rotation, just can be realized easily by the interlock displacement of digital control system programming Control XYZ again, because the structure of processing head need not be very large, weight need not be very heavy, when the workbench of the clamping workpiece that the weight of main processing head and bogey thereof is moved relative to traditional needs and the weight summation of workpiece light a lot of time, but when the weight of workpiece is very large, such as 3 tons and even 100 tons or larger time, just greatly can save driving power (energy-conservation) and improve displacement flexibility (velocity of displacement), more easily ensure processing precise degree, greatly improve displacement sensitivity and the Workpiece Machining Accuracy of processing head, improve X to, the translational speed of Y-direction, improve working (machining) efficiency, greatly reduce the wearing and tearing between equipment moving part and guide rail.Simultaneously because balance staff can swing certain angle, rotating shaft be provided with conducting ring coordinate with brush the electric wire of electric wire and the processing head terminal realizing the drive unit being electrically connected balance staff rotating shaft continuous 360 ° rotate time can not be wound around, just can realize the Compound Machining of arbitrarily angled interior turning (reverse type) and milling, the performance of processing head more universal than the type in current industry surmounts more; And balance staff and processing head can adopt motor direct-drive, eliminate the mechanically operated gap of multi-stage gear, improve the machining accuracy of equipment, make the maximum densification of structure, simplify structure, transmission rigidity is increased greatly.Drive motors is arranged on motor mounting plate, the Z-direction screw mandrel be connected with the motor shaft of the 3rd drive motors coordinates with Z-direction feed screw nut through Z-direction drive unit mount pad, structure is simple, be convenient to realize Z-direction guide rod move up and down or rotate or the axis of rotation of drive installation in Z-direction guide rod, displacement accuracy is high, good stability when main processing head moves up and down, not easily produces uneven torsion.Adopt the first stator and the first rotor to coordinate to come drive shaft, structure is simple, easy for installation.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the embodiment of the present invention 1.
Fig. 2 is the Y-direction slide of the embodiment of the present invention 1, the perspective exploded view of main shaft device.
Fig. 3 is that the Y-direction slide of the embodiment of the present invention 1, main shaft device are along the schematic diagram of the axial location cutting of Z-direction guide rod.
Fig. 4 is the schematic diagram of the A-A position cutting along Fig. 3.
Fig. 5 is the Y-direction slide of the embodiment of the present invention 2, the perspective exploded view of main shaft device.
Fig. 6 is that the Y-direction slide of the embodiment of the present invention 2, main shaft device are along the schematic diagram of the axial location cutting of Z-direction guide rod.
Fig. 7 is the schematic diagram of the B-B position cutting along Fig. 6.
Fig. 8 is the Y-direction slide of the embodiment of the present invention 3, the perspective exploded view of main shaft device.
Fig. 9 is the Y-direction slide of the embodiment of the present invention 4, the perspective exploded view of main shaft device.
Figure 10 is the Y-direction slide of the embodiment of the present invention 5, the perspective exploded view of main shaft device.
Figure 11 is the Y-direction slide of the embodiment of the present invention 6, the perspective exploded view of main shaft device.
Figure 12 is the Y-direction slide of the embodiment of the present invention 7, the perspective exploded view of main shaft device.
Figure 13 is the schematic perspective view of the embodiment of the present invention 8.
Figure 14 is the schematic perspective view of the embodiment of the present invention 9.
Figure 15 is the Y-direction slide of the embodiment of the present invention 10, the schematic perspective view of main shaft device.
Figure 16 is the Y-direction slide of the embodiment of the present invention 10, the perspective exploded view of main shaft device.
Figure 17 is that the Y-direction slide of the embodiment of the present invention 10, main shaft device are along the schematic diagram of the axial location cutting of Z-direction guide rod.
Figure 18 is that the Y-direction slide of the embodiment of the present invention 11, main shaft device are along the schematic diagram of the axial location cutting of Z-direction guide rod.
Figure 19 is that the Y-direction slide of the embodiment of the present invention 12, main shaft device are along the schematic diagram of the axial location cutting of Z-direction guide rod.
Figure 20 is the Y-direction slide of the embodiment of the present invention 13, the perspective exploded view of main shaft device.
Detailed description of the invention
Embodiment 1
As shown in Figures 1 to 4, a kind of Digit Control Machine Tool, comprises integrated main body frame 1, workbench 2.Main body frame 1 comprises square base 3, and the main support column 4 in centre position that be arranged on base 3 four angle positions and be separately positioned on the left side of base, right side and rear side one-body molded with base 3, connects the lateral connection post 5 between main support column 4.The main backstop 6 that be arranged on main support column 4 on one-body molded with main support column 4.Main backstop 6 is the square closed loop configuration of opening towards vertical direction.
Also comprise X to slide 7.Main backstop 6 and X to be provided with between slide 7 cooperatively interact X forward rail, X is to rear rail.X can slidably reciprocate along X forward rail, X to rear rail to slide 7.
X comprises the square frame of opening towards vertical direction to slide 7, the front and back sides of square frame is convexly equipped with X direction guiding rail slide fixed block 13 respectively, the bottom surface of square frame is provided with lower protuberance 14.
X forward rail, X comprise to rear rail and are arranged on the X being provided with ball on main backstop 6 to linear slide track 15, are fixed on the X direction guiding rail slide 16 that X direction guiding rail slide fixed block 13 bottom surface coordinates to linear slide track 15 with X.
Also comprise the first drive unit driving X to move back and forth to slide 7; First drive unit comprises first drive motors 10, drive X to move back and forth to slide 7, with X to the parallel X be connected with the motor shaft of the first drive motors 10 of linear slide track 15 to screw mandrel 11, the first feed screw nut's (not shown) coordinated to screw mandrel 11 with X, first feed screw nut's (not shown) is fixed on lower protruding block portion 14 and the position that X is combined to slide 7.
Also comprise the X of the left and right sides being arranged on close main backstop 6 to screw mandrel mount pad 17, first drive motors 10 is arranged on X on the lateral surface of screw mandrel mount pad 17, and X is arranged on X away from first drive motors 10 to screw mandrel mount pad 17 on through X to screw mandrel mount pad 17, first feed screw nut's (not shown) away from one end of the first drive motors 10 to screw mandrel 11; X to screw mandrel 11 at two X between linear slide track 15.
Also comprise Y-direction slide 18, at X to being provided with the Y-direction left rail, the right guide rail of Y-direction that cooperatively interact between slide 7 and Y-direction slide 18.
Also comprise the second drive unit driving Y-direction slide 18 to move back and forth; Second drive unit comprises second drive motors 21, drive Y-direction slide 18 to move back and forth, with a Y-direction screw mandrel 22 be connected with the motor shaft of the second drive motors 21 of Y-direction left rail, the right guide rail parallel of Y-direction, the Y-direction feed screw nut (not shown) coordinated with Y-direction screw mandrel 22.
Y-direction slide 18 comprises Y-direction slide base plate 24, from the U-shaped upper convex portion 25 of Y-direction slide base plate 24 projection vertically upward, from the U-shaped lower protuberance 26 of Y-direction slide base plate 24 projection vertically downward.U-shaped upper convex portion 25, U-shaped lower protuberance 26 is all protruded at left and right directions at Y-direction slide base plate 24.Y-direction feed screw nut (not shown) is fixed on U-shaped lower protuberance 26 and the position that Y-direction slide base plate 24 is combined.
The right guide rail of Y-direction left rail, Y-direction is slide rail; Comprise and be directly fixed on X to the Y-direction linear slide track 27 being provided with ball on slide 7, the Y-direction guide rail slide 29 that the bottom surface being fixed on Y-direction slide base plate 24 coordinates with Y-direction linear slide track 27.
Also comprise and be arranged near the Y-direction screw mandrel mount pad 28 of X to the both sides, front and back of slide 7, second drive motors 21 is arranged on the lateral surface of Y-direction screw mandrel mount pad 28, and Y-direction screw mandrel 22 is arranged on the Y-direction screw mandrel mount pad 28 away from the second drive motors 21 through Y-direction screw mandrel mount pad 28, Y-direction feed screw nut (not shown) away from one end of the second drive motors 21.Y-direction screw mandrel 22 is between two Y-direction linear slide tracks 27.
Also be provided with the main shaft device be arranged on Y-direction slide 18.It is circular Z-direction guide rod 30 that main shaft device comprises the cross section that can move up and down, end cap 31, internal threaded nut 54, external screw thread nut 55, the rotating shaft 32 only can rotated relative to Z-direction guide rod 30, the first rotor 33 that drive shaft 32 rotates and the first stator 34, bearing 35, bearing 19, two are arranged on the U-shaped upper convex portion 25 of Y-direction slide 18, the bottom surface of U-shaped lower protuberance 26 run through the first Z-direction line slide rail track 36 of Y-direction slide 18, drive the Z-direction drive unit that Z-direction guide rod 30 moves up and down.Z-direction fixed guide bonding part 37 is convexly equipped with in the bilateral symmetry of Z-direction guide rod 30, the center ladder hole 59 coaxial with Z-direction guide rod 30 is provided with in Z-direction guide rod 30, Z-direction fixed guide bonding part 37 is fixed with the second Z-direction line slide rail track 38, the second Z-direction line slide rail track 38 is provided with the guide groove 39 coordinated with the first Z-direction line slide rail track 36.U-shaped upper convex portion 25 is fixed with motor fixing plate 40.First Z-direction line slide rail track 36, second Z-direction line slide rail track 38 is through Y-direction slide 18.Ladder aperture 49 and ladder macropore 50 is provided with in end cap 31.Also comprise conducting ring 51 and brush 52.The Z-direction screw mandrel 42 that Z-direction drive unit comprises the 3rd drive motors 41, drives Z-direction guide rod 30 to move up and down.Rotating shaft 32 comprises with the macro-axis 44 of Z-direction guide rod 30 inner hole, to extend be provided with the little axle of ladder 45, extend be provided with little axle 20 from the bottom of macro-axis 44 from the top of macro-axis 44.Central through hole 53 is provided with in rotating shaft 32.The large end that bearing 35 is enclosed within little axle 45 is supported on and macro-axis 44 coordinates with the large end periphery of little axle 45 and coordinates with the macropore inner circumferential of the ladder hole 59 of guide rod 30.The small end that the first rotor 33 is enclosed within little axle 45 coordinates with the small end periphery of little axle 45 and is supported on bearing 35.The small end that conducting ring 51 is enclosed within little axle 45 coordinates with the small end periphery of little axle 45 and is supported on the first rotor 33.Be provided with external screw thread at the small end of little axle 45 near the top end face of rotating shaft 32, the internal thread of nut 54 coordinate with the external screw thread of the small end of little axle 45, the end contact of end face and conducting ring 51 thus the first rotor 33, conducting ring 51 are fixed in rotating shaft 32 from top to bottom successively.First stator 34 is arranged in the ladder aperture 49 of end cap 31, the top end face of the first stator 34 and the end contact of ladder aperture 49, and periphery coordinates with the inner circumferential of ladder aperture 49, and inner circumferential coordinates with the first rotor 33; Internal thread is provided with near the bottom end face of end cap 31 at ladder macropore 50; The internal diameter of nut 55 is greater than the external diameter of the first rotor 33, and the external screw thread of nut 55 and the screw-internal thread fit of ladder macropore 50, end face contact with the bottom end face of the first stator 34 thus be fixed in end cap 31 by the first stator 34.Brush 52 to be fixed in end cap 31 and with conducting ring 51 CONTACT WITH FRICTION, conducting ring 51 is electrically connected with the motor be arranged in rotating shaft 32 by electric wire.End cap 31 is fixed on the top of Z-direction guide rod 30.Z-direction feed screw nut 46 is fixed on the center of end cap 31 and stretches in rotating shaft 32 and rotating shaft 32 empty avoiding.3rd drive motors 41 is arranged on motor fixing plate 40, one end of Z-direction screw mandrel 30 is connected with the 3rd drive motors 41 by axle coupling 47, the other end of Z-direction screw mandrel 30 coordinates with Z-direction feed screw nut 46 through motor fixing plate 40, and stretches in rotating shaft 32 and rotating shaft 32 empty avoiding.Z-direction guide rod 30 is through Y-direction slide 18.The lower end of rotating shaft 32 is passed Z-direction guide rod 30 and protrudes Z-direction guide rod 30, and bearing 19 is arranged on little axle 20, bottom end face is supported on the bottom end face of the macropore of ladder hole 59, top end face is fitted with the top end face of macro-axis 44, inner circumferential coordinates with the periphery of little axle 20, periphery coordinates with the inner circumferential of ladder hole 59.Main processing head 48 is arranged in rotating shaft 32.Drive screw mandrel 42 to rotate by motor 41, the relative screw mandrel 42 of feed screw nut 46 is only moved up and down, and because feed screw nut 46 and end cap 31 fix, guide rod 32 is fixed with end cap 31, and therefore guide rod 32 rotates with screw mandrel 42 and only moves up and down.Rotating shaft 32 drives in Z-direction guide rod 32 only rotatable by the first stator 34, the first rotor 33.
Be fixed with swing seat 56 in the bottom of Z-direction guide rod 30, the balance staff 57 also comprising the horizontal direction be arranged on swing seat 56 and the rotation axle electric machine 58 be connected with balance staff 57, main processing head 48 is arranged on balance staff 57.
Embodiment 2
As shown in Figures 5 to 7, as different from Example 1, Y-direction slide 70 comprises Y-direction slide base plate 71, from the upper convex portion 72 of Y-direction slide base plate 71 projection vertically upward, from the lower protuberance 73 of Y-direction slide base plate 71 projection vertically downward.Be provided with fixed pan 74 at the lateral surface of upper convex portion 72, lower protuberance 73, be provided with side protuberance 75 at fixed pan 74.Y-direction slide base plate 71 periphery is square, and periphery protrudes upper convex portion 72, lower protuberance 73.Be provided with in Y-direction slide 70 and run through upper convex portion 72, Y-direction slide base plate 71, the circular hole 78 of lower protuberance 73 and square hole 79, circular hole 78 is placed in the center of square hole 79, and the diameter of circular hole 78 is greater than the width of square hole 79, is less than the length of square hole 79.
Main shaft device comprises Z-direction guide rod 80, end cap 81, internal threaded nut 82, external screw thread nut 83, external screw thread nut 84, the rotating shaft 85 only can rotated relative to Z-direction guide rod 80, the first rotor 86 that drive shaft 85 rotates and the first stator 87, bearing 88, bearing 89, be fixed on two the first Z-direction line slide rail tracks 90 on the same side of square hole 79, drive the Z-direction drive unit that Z-direction guide rod 80 moves up and down.Z-direction fixed guide bonding part 91 is convexly equipped with in the bilateral symmetry of Z-direction guide rod 80, the center ladder hole 92 coaxial with Z-direction guide rod 80 is provided with in Z-direction guide rod 80, Z-direction fixed guide bonding part 91 is fixed with the second Z-direction line slide rail track 93, the second Z-direction line slide rail track 93 is provided with the guide groove 94 coordinated with the first Z-direction line slide rail track 90.Upper convex portion 72 is fixed with motor fixing plate 100.First Z-direction line slide rail track 90, second Z-direction line slide rail track 93 is through Y-direction slide 70.The Z-direction screw mandrel 96 that Z-direction drive unit comprises the 3rd drive motors 95, driving Z-direction guide rod 80 moves up and down, Z-direction feed screw nut 106.Rotating shaft 85 comprises with the macro-axis 97 of Z-direction guide rod 80 inner hole, to extend be provided with the little axle of ladder 98, extend be provided with little axle 99 from the bottom of macro-axis 97 from the top of macro-axis 97.Central through hole 101 is provided with in rotating shaft 85.The large end that bearing 88 is enclosed within little axle 98 is supported on and macro-axis 97 coordinates with the large end periphery of little axle 98 and coordinates with the macropore inner circumferential of the ladder hole 92 of guide rod 80.The internal thread be provided with end and bearing touch in through hole 92, coordinating with nut 84.The lower surface of nut 84 contacts with the upper surface of bearing 88 and is fixed in rotating shaft 85 by bearing 88.The small end that the first rotor 86 is enclosed within little axle 98 coordinates with the small end periphery of little axle 98 and is supported on the large end of little axle 98.Also comprise conducting ring 102 and brush 103.The small end that conducting ring 102 is enclosed within little axle 98 coordinates with the small end periphery of little axle 98 and is supported on the first rotor 86.Be provided with external screw thread at the small end of little axle 98 near the top end face of rotating shaft 85, the internal thread of nut 82 coordinate with the external screw thread of the small end of little axle 98, the end contact of end face and conducting ring 102 thus the first rotor 86, conducting ring 102 are fixed in rotating shaft 85 from top to bottom successively.The shell 76 of the first stator 87 is arranged in the macropore of ladder hole 92, and bottom end face is supported on nut 84.First stator 87 is arranged in shell 76.The internal thread coordinated with nut 83 is provided with in the macropore of ladder hole 92, the top end face of the first stator 87 contacts with the bottom end face of nut 83, the shell periphery of the first stator 87 coordinates with the inner circumferential of the macropore of ladder hole 92, and the inner circumferential of the first stator 87 coordinates with the first rotor 86; The internal diameter of nut 83 is greater than the external diameter of conducting ring 102.Brush 103 to be fixed in Z-direction guide rod 80 and with conducting ring 102 CONTACT WITH FRICTION, conducting ring 102 is electrically connected with the spindle motor (not shown) be arranged in rotating shaft 85 and rotation axle electric machine 105 by electric wire.End cap 81 is fixed on the top of Z-direction guide rod 80.Z-direction feed screw nut 106 is fixed on the center of end cap 81 and stretches in Z-direction guide rod 80, rotating shaft 85, with Z-direction guide rod 80, rotating shaft 85 empty avoiding.3rd drive motors 95 is arranged on motor fixing plate 100, one end of Z-direction screw mandrel 96 is connected with the 3rd drive motors 95 by axle coupling 107, the other end of Z-direction screw mandrel 96 coordinates with Z-direction feed screw nut 106 through motor fixing plate 100, and stretch in Z-direction guide rod 80, rotating shaft 85 and Z-direction guide rod 80, rotating shaft 85 empty avoiding.Z-direction guide rod 80 is arranged in Y-direction slide 70.The lower end of rotating shaft 85 is passed Z-direction guide rod 80 and protrudes Z-direction guide rod 80.Bearing 89 is arranged on little axle 99, bottom end face is supported on the bottom end face of the mesopore of ladder hole 92, top end face is fitted with the top end face of macro-axis 97, inner circumferential coordinates with the periphery of little axle 99, periphery coordinates with the inner circumferential of ladder hole 92.
Embodiment 3
As shown in Figure 8, as different from Example 2, Y-direction slide 120 comprises Y-direction slide base plate 121, from the tubular upper guide bush 122 of Y-direction slide base plate 121 projection vertically upward, guide pin bushing 123 from the tubular of Y-direction slide base plate 121 projection vertically downward, Y-direction slide base plate 121 periphery is square, guide pin bushing 123 under periphery protrusion tubular upper guide bush 122, tubular.
Main shaft device comprises the cylindrical Z-direction guide rod 126 that can move up and down, end cap 127, be arranged on the rotating shaft 128 only can rotated relative to Z-direction guide rod 126 in Z-direction guide rod 126, bearing 132, bearing 131, external screw thread nut 134, the first rotor 129 that drive shaft 128 rotates and the first stator 130, internal threaded nut 135, drive the Z-direction drive unit that Z-direction guide rod 126 moves up and down, spline part 125.Z-direction guide rod 126 is provided with the spline groove 133 axially running through Z-direction guide rod 126, the spline part 125 coordinated with spline groove 133 is installed in the sidewise hole 124 of tubular upper guide bush 122.The center circle through hole 136 coordinated with Z-direction guide rod 126 is provided with, in Z-direction guide rod 126 centering round tube hole 136 in Y-direction slide 120.
Embodiment 4
As shown in Figure 9, as different from Example 3, main shaft device comprises the circular Z-direction guide rod 240 that can move up and down, end cap 241, the rotating shaft 242 only can rotated relative to Z-direction guide rod 240 in Z-direction guide rod 240 is installed, the first rotor 243 that drive shaft 242 rotates and the first stator 244, bearing 245, the Z-direction drive unit driving Z-direction guide rod 240 to move up and down, prevents Z-direction guide rod 240 along guide rod axis horizontal direction spline structure rotationally.The storage tank 246 be communicated with the side of Z-direction guide rod 240 is provided with at the top of Z-direction guide rod 240; Spline structure comprises the 3rd anti-rotation block 248 be arranged in storage tank 246, the 4th anti-rotation block 247, between the 3rd anti-rotation block 248, the 4th anti-rotation block 247, be provided with the 3rd spring 249, the 3rd anti-rotation block 248, the 4th anti-rotation block 247 are limited on Z-direction guide rod 240 and move in setting range by end cap 241; In Z-direction guide pin bushing 250, be provided with spline groove the 251, three anti-rotation block 248 stretch in spline groove 251 away from the periphery that Z-direction guide rod 240 is protruded in the side of the 3rd spring 249 and coordinate with spline groove 251; Z-direction guide pin bushing 250 is also provided with and holds out against screw 252, hold out against screw 252 and hold out against the side that the 4th anti-rotation block 247 deviates from the 3rd anti-rotation block 248.
Z-direction feed screw nut 253 is fixed on Z-direction guide rod 240.3rd drive motors 254 is arranged on motor fixing plate 255, one end of Z-direction screw mandrel 256 is connected with the 3rd drive motors 254 by axle coupling 257, the other end of Z-direction screw mandrel 256 coordinates with Z-direction feed screw nut 253 through motor fixing plate 255, end cap 241, and the inner via hole 267 stretching into rotating shaft 242 is interior and rotating shaft 242 empty avoiding.
The lower end of rotating shaft 242 is through Z-direction guide rod 240, and one-body molded in rotating shaft 242 have swing seat 258.Be arranged in swing seat 258 with the integrated balance staff of main processing headstock 263 of main processing head 259, swing seat is also provided with the drive motors 260 driving balance staff to rotate.
Conducting ring 264 is provided with in rotating shaft 242 periphery, the electric wire accommodating hole 265 be communicated with conducting ring 264 is provided with in rotating shaft 242, electric wire 266 is equipped with in electric wire accommodating hole 265, one end of electric wire 266 is electrically connected with conducting ring 264, and the other end is electrically connected with the spindle motor be arranged in rotating shaft 242 and stator; Conducting ring 264 is electrically connected with the brush friction (not shown) being electrically connected external power source, and brush and Z-direction guide rod 240 are fixed.
Embodiment 5
As shown in Figure 10, as different from Example 1, main shaft device comprises the Z-direction guide rod 270 with center circle through hole (not shown) that can move up and down, end cap 271, holder 272, swing seat 276, swing seat drive unit, rotating shaft 279, rotating shaft drive unit, first Z-direction line slide rail track 273, second Z-direction line slide rail track 274, Z-direction drive unit.End cap 271 is fixed on Z-direction guide rod 270, and the Z-direction feed screw nut 275 of Z-direction drive unit is fixed on end cap.
Holder 272 is fixed on the bottom end face of Z-direction guide rod 270.Swing seat 276 is U-shaped.Rotating shaft drive unit comprises the first rotor 277 and the first stator 278 that are fixed on the rotation of holder 272 lower end driving swing seat 276.Rotating shaft 279 is fixed on the top of swing seat 276 and is arranged in the first rotor 277.
Second rotor 280 and the second stator 281 is installed in the side of the U-shaped protuberance of swing seat 276.The rotating shaft 284 of main processing headstock 283 side of main processing head 282 is arranged in the U-lag of swing seat 276, and the rotating shaft 285 of opposite side is arranged in the second rotor 280.
Embodiment 6
As shown in figure 11, as different from Example 4, tubular upper guide bush 291 is fixed on Y-direction slide 292.
Embodiment 7
As shown in figure 12, as different from Example 4, the side of Z-direction guide rod 303 is provided with blind hole (not shown).Spline structure comprises the 3rd anti-rotation block 302, the 3rd spring 305 is provided with between the 3rd anti-rotation block 302 and Z-direction guide rod 303,3rd spring 305, the 3rd anti-rotation block are arranged in blind hole (not shown), 3rd spring 305 is arranged between the bottom surface of blind hole (not shown) and the 3rd anti-rotation block 302,3rd anti-rotation block 302 protrudes the periphery of Z-direction guide rod 303, is provided with the spline groove 304 coordinated with the 3rd spline 302 pieces in the pilot hole (not shown) coordinated with Z-direction guide rod 303.
Embodiment 8
As shown in figure 13, a kind of Digit Control Machine Tool, comprises base 320, portal frame 321, workbench 322.Two the first guide rails cooperatively interacted are provided with between base 320 and workbench 322.First guide rail comprises two the first linear slide tracks 324 being provided with ball be arranged on base 320, is fixed on the first guide rail slide 325 that workbench 322 bottom surface coordinates with the first linear slide track 324.Workbench 322 can slidably reciprocate along the first linear slide track 324.
Also comprise the first drive unit driving workbench 322 to move back and forth; First drive unit comprises a table drive motor 326, drive the first screw mandrel 327 that workbench 322 moves back and forth, parallel with the first linear slide track 324 is connected with the motor shaft of table drive motor 326, the first feed screw nut's (not shown) coordinated with the first screw mandrel 327, the 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 arranged on the lateral surface of the first screw mandrel mount pad 329, the first screw mandrel 327 away from table drive motor 326 one end through first screw mandrel mount pad 329, first feed screw nut's (not shown), be arranged on away from table drive motor 326 the first screw mandrel mount pad on.
Also comprise slide 330, between portal frame 321 and slide 330, be provided with the second guide rail.Second guide rail is slide rail, comprises two and to be fixed on portal frame 321 and the second linear slide track 332 be positioned on same vertical plane, be fixed on the second guide rail slide 333 that slide 330 coordinates with the second linear slide track 332 on the side of portal frame.
Also comprise the second drive unit driving slide 330 to move back and forth; Second drive unit comprises second drive motors 334, drive slide 330 to move back and forth, with a Y-direction screw mandrel 335 be connected with the motor shaft of the second drive motors 334 of the second guide rail parallel, the Y-direction feed screw nut 336 coordinated with Y-direction screw mandrel 335.Y-direction feed screw nut 336 is arranged on slide 330 towards on the side of portal frame 321.
The side of portal frame 321 towards slide 330 is provided with Y-direction screw mandrel mount pad 337, Y-direction screw mandrel mount pad 339, second drive motors 334 is arranged on the lateral surface of Y-direction screw mandrel mount pad 337, Y-direction screw mandrel 335 away from the second drive motors 334 one end through Y-direction screw mandrel mount pad 337, Y-direction feed screw nut 336, be arranged on away from the second drive motors 334 Y-direction screw mandrel mount pad 339 on.
The side deviating from portal frame 321 at slide 330 is fixed with Z-direction guide pin bushing 338.Also be provided with the main shaft device be arranged on Z-direction guide pin bushing 338.The structure of main shaft device is identical with embodiment 4.
Embodiment 9
As shown in figure 14, as different from Example 8, main shaft device comprises the circular Z-direction guide rod 350 that can move up and down, end cap (not shown), the Z-direction drive unit driving Z-direction guide rod 350 to move up and down, prevents Z-direction 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-direction guide rod 350.
Embodiment 10
As shown in Figure 15 to Figure 17, as different from Example 3, Y-direction slide 360 comprises Y-direction sliding base plate 361, is fixed on the cylindrical shape guide pin bushing 362 at Y-direction sliding base plate 361 top, from the cylindrical lower protuberance 363 of Y-direction sliding base plate 361 projection vertically downward.Through hole 364 is provided with in Y-direction sliding base plate 361, lower protuberance 363.Y-direction sliding base plate 361 periphery is square, and periphery protrudes guide pin bushing 362, lower protuberance 363.
Main shaft device comprises Z-direction guide rod 370, end cap 371, external screw thread nut 372, external screw thread nut 373, bearing gland 374, the rotating shaft 375 only can rotated relative to Z-direction guide rod 370, the first rotor 376 that drive shaft 375 rotates and the first stator 377, bearing 378, bearing 379, drives the Z-direction drive unit that Z-direction guide rod 370 moves up and down.The aperture 365 that from down to up, from small to large form ladder hole, mesopore 366, mesopore 367, the macropore 382 coaxial with Z-direction guide rod 370 is provided with in Z-direction guide rod 370.Be provided with by macropore 384, aperture 387 in bearing gland 374, form lower large little ladder hole.Also comprise conducting ring 392 and brush 393.Guide pin bushing 362 is fixed with motor fixing plate 390.The Z-direction screw mandrel 386 that Z-direction drive unit comprises the 3rd drive motors 385, driving Z-direction guide rod 370 moves up and down, Z-direction 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.Central through hole 391 is provided with in rotating shaft 375.The top end contact of its bottom end face and macro-axis 380 on the periphery that bearing 378 is arranged on axis 381.Bearing 379 is arranged on the periphery of axis 369.Conducting ring 392 is arranged on the periphery of little axle 383, the top end contact of its bottom end face and bearing 378.The first rotor 376 is arranged on the periphery of little axle 383, the top end contact of its bottom end face and conducting ring 392.First stator 377 is arranged on outside the first rotor 376.Little axle 368 stretches in 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 coordinates with the hole wall of mesopore 366.The end face of the macropore 384 of bearing gland 374 is placed on the first rotor 376 and the first stator 377, and bearing 378 is pushed down in the bottom surface of bearing gland 374.The screwed hole coordinated with nut 372, nut 373 is provided with in macropore 382.By nut 372, nut 373 are screwed in screwed hole and bearing gland 374 are arranged on Z-direction guide rod 370, thus rotating shaft 368 be installed in rotation in Z-direction guide rod 370.Brush 393 to be fixed in Z-direction guide rod 370 and with conducting ring 392 CONTACT WITH FRICTION.End cap 371 is fixed on the top of Z-direction guide rod 370.Z-direction feed screw nut 396 is fixed on the center of end cap 371 and stretches in Z-direction guide rod 370, rotating shaft 375, with Z-direction guide rod 370, rotating shaft 375 empty avoiding.3rd drive motors 385 is arranged on motor fixing plate 390, one end of Z-direction screw mandrel 386 is connected with the 3rd drive motors 385 by axle coupling 397, the other end of Z-direction screw mandrel 386 coordinates with Z-direction feed screw nut 396 through motor fixing plate 390, and stretch in Z-direction guide rod 370, nut 372, nut 373, bearing gland 374, rotating shaft 375 and Z-direction guide rod 370, nut 372, nut 373, bearing gland 374, rotating shaft 375 empty avoiding.Z-direction guide rod 370 is arranged in guide pin bushing 362.The lower end of rotating shaft 375 is passed Z-direction guide rod 370 and protrudes Z-direction guide rod 370.
Swing seat 398 is also provided with in the lower end of rotating shaft 375; In swing seat 398, be provided with the second stator 399, be coaxially installed with the second rotor 400 in the second stator 399, be coaxially installed with the balance staff 401 of horizontal direction in the second rotor 400, the main processing headstock 403 of main processing head 404 is one-body molded with balance staff 401.Conducting ring 392 is electrically connected with in the spindle motor (not shown) be arranged in rotating shaft 375 and the second stator 399 by the electric wire 402 be placed in through hole 391.
The targeting part of Z-direction guide rod 370 is cylindrical; Spline groove 405 is provided with in Z-direction guide rod 370 periphery, the side direction shoulder hole 409 that outer imperial palace is little is provided with in guide pin bushing 362, the spline part 406 that can move back and forth in the aperture of shoulder hole 409 is installed in the aperture of shoulder hole 409, there is fixture 407 at the macropore internal fixtion of shoulder hole 409, between fixture 407 and spline part 406, be provided with stage clip 408.Coordinated with spline groove 405 by spline part 406, rotate when preventing Z-direction guide rod 370 from moving up and down.
Drive screw mandrel 386 to rotate by motor 385, the relative screw mandrel 386 of feed screw nut 396 is only moved up and down, and because feed screw nut 396 and end cap 371 fix, Z-direction guide rod 370 is fixed with end cap 371, and therefore Z-direction guide rod 370 rotates with screw mandrel 386 and only moves up and down.Rotating shaft 375 drives in Z-direction guide rod 370 only rotatable by the first stator 377, the first rotor 376.
Embodiment 11
As shown in figure 18, as different from Example 10, Y-direction slide comprises Y-direction sliding base plate 421, from the cylindrical shape guide pin bushing 422 that Y-direction sliding base plate 421 plan vertical upwards extends, from the cylindrical lower protuberance 423 that Y-direction sliding base plate 421 extends vertically downward.
Main shaft device comprises Z-direction guide rod 424, end cap 425, external screw thread nut 426, external screw thread nut 427, bearing gland 428, the rotating shaft 429 only can rotated relative to Z-direction guide rod 424, the core motor 430 that drive shaft 429 rotates, bearing 431, the Z-direction drive unit that bearing 432 drives Z-direction guide rod 424 to move up and down.Conducting ring 433 top end face is just to the end face of the macropore 434 of bearing gland 428.Core motor 430 is arranged 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 core motor 430.Rotating shaft 429 is driven by core motor 430 and rotates, and Z-direction guide rod 424 is only rotatable relatively in rotating shaft 429.
Be provided with axial electric wire storage tank 437 in the side of rotating shaft 429, one end is connected with conducting ring 433, and the electric wire 438 that the other end is connected with the motor in rotating shaft 429 is placed in electric wire storage tank 437.
Embodiment 12
As shown in figure 19, as different from Example 2, be supported on bearing 442 on the end face of the macro-axis 441 of rotating shaft and fixed by bearing gland 443, bearing gland 443 by being arranged on nut 444 in Z-direction guide rod 440, nut 445 fixes.Rotating shaft is driven by core motor 446.The bottom end face of conducting ring 447 is placed on the top end face of the large end of the little axle of ladder 448 of rotating shaft, and top end face is just to core motor 446.Core motor 446 is arranged 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 core motor 446.Rotating shaft is driven by core motor 446 and rotates, and rotating shaft is only rotatable relative to Z-direction guide rod 440.
Embodiment 13
As shown in figure 20, as different from Example 10, in the endoporus of the columnar lower protuberance 465 of Y-direction slide 460, independently insert 461, insert 462, insert 463 is along the circumferential direction evenly fixed with.Z insert 461, insert 462, insert 463, form concentric periphery.Rotating shaft 464 coordinates with the inner peripheral surface of insert 461, insert 462, insert 463.Coolant flow channel 464 is equipped with in insert 461, insert 462, insert 463.
In the present invention, main processing head can be provided with cutter clamping head or main processing head for head or welding gun or laser gun or plasma cutting gun or screw gun or the cutter of spraying paint.When being provided with milling cutter on cutter clamping head, the function of milling can be realized; When being provided with emery wheel on cutter clamping head, the function of grinding can be realized; When being provided with boring cutter on cutter clamping head, the function of bore hole can be realized; When being provided with drill bit on cutter clamping head, the function of holing can be realized; When main processing head is for spray paint, the function sprayed can be realized; When main processing head is welding gun, the function of welding can be realized; When main processing head is laser gun, can realize laser cutting and or the function of laser weld; When main processing head is plasma cutting gun, the function of plasma cut can be realized; When main processing head is screw gun, the function filling screw can be realized.Because the structure of main processing head all can adopt existing structure, therefore describe no longer one by one in the present invention.

Claims (16)

1. a numerical control device, comprises main shaft device, and install the slide of main shaft device, slide drive unit, clamping workpiece device, main processing head, is characterized in that: the Z-direction drive unit that main shaft device comprises Z-direction guide rod, drives Z-direction guide rod to move up and down; Z-direction guide rod only can be installed together with slide up and down; Also comprise that be arranged in Z-direction guide rod only can Z-direction guide rod rotating shaft rotationally relatively, rotating shaft drive unit; Z-direction drive unit comprises a Z-direction drive motors, the Z-direction screw mandrel be connected with the motor shaft of drive motors, the feed screw nut coordinated with Z-direction screw mandrel; Slide is upwards provided with support portion, support portion is provided with motor mounting plate, Z-direction drive motors is fixed on motor mounting plate, and Z-direction screw mandrel passes motor mounting plate away from one end of drive motors; Feed screw nut and Z-direction guide rod are fixed, and main processing head is arranged on below Z-direction guide rod; Be provided with conducting ring in rotating shaft periphery, rotating shaft be provided with the electric wire accommodating hole or electric wire storage tank that are communicated with conducting ring, in electric wire accommodating 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 and be arranged on balance staff on swing seat and balance staff drive unit, the main processing headstock of described main processing head to be fixed on balance staff or 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 the motor be arranged in rotating shaft; Conducting ring is electrically connected with the brush friction being electrically connected external power source, and brush and Z-direction guide rod are fixed; Rotating shaft drive unit comprises the first rotor of the periphery being arranged on rotating shaft, is arranged on the first stator coordinated with the first rotor in Z-direction guide rod.
2. a kind of numerical control device as claimed in claim 1, it is characterized in that: the hole that Z-direction guide rod coordinates with rotating shaft is up big and down small shoulder hole, be provided with radial protuberance in the upper end of rotating shaft, the lower bearing contacted with the bottom surface of the protuberance of rotating shaft and the upper bearing (metal) contacted with the end face of the protuberance of rotating shaft are installed in the macropore of shoulder hole; Lower bearing is supported on shoulder hole, and rotating shaft is coordinated with Z-direction guide rod by upper bearing (metal), lower bearing.
3. a kind of numerical control device as claimed in claim 1, it is characterized in that: the hole that Z-direction guide rod coordinates with rotating shaft is up big and down small shoulder hole, be provided with little axle at the two ends of rotating shaft, be provided with in the macropore of shoulder hole and the little axle in the lower end of rotating shaft and the lower bearing coordinated, the upper bearing (metal) that coordinates with the little axle in the upper end of rotating shaft; Lower bearing is supported on shoulder hole, and rotating shaft is coordinated with Z-direction guide rod by 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, be also provided with coolant flow channel.
5. a kind of numerical control device as claimed in claim 1, is characterized in that: balance staff drive unit comprises the second stator be arranged in swing seat, is arranged on the second rotor in the second stator; Balance staff is coaxially arranged in the second rotor, and the main processing headstock of described main processing head to be fixed on balance staff or one-body molded with balance staff; Electric wire in described electric wire accommodating hole or electric wire storage tank is electrically connected with the second stator away from one end of conducting ring.
6. a kind of numerical control device as claimed in claim 1, it is characterized in that: be fixed with Z-direction feed screw nut installing plate at the top of Z-direction guide rod, Z-direction feed screw nut is fixed on Z-direction feed screw nut installing plate center, and Z-direction drive motors, Z-direction feed screw nut are coaxial with Z-direction guide rod; Rotating shaft drive unit is arranged in Z-direction guide rod.
7. a kind of numerical control device as claimed in claim 1, is characterized in that: balance staff drive unit comprises drive motors; Balance staff is connected with the motor shaft of drive motors, and balance staff links together through swing seat and main processing headstock away from one end of drive motors.
8. a kind of numerical control device as described in claim 1 to 7 any one, is characterized in that: described support portion is the upper guide bush of the tubulose coordinated with Z-direction guide rod; The lower guide pin bushing of the tubulose coordinated with Z-direction guide rod is also provided with in the below of slide; In upper guide bush, slide, lower guide pin bushing, be provided with the pilot hole through ordinatedly with Z-direction guide rod, Z-direction guide rod can be arranged in pilot hole up and down, the top of the pilot hole of motor mounting plate sealing upper guide bush.
9. a kind of numerical control device as described in claim 1 to 7 any one, it is characterized in that: have two the first Z-direction line slideway tracks at slide internal fixtion, be convexly equipped with Z-direction fixed guide bonding part in the bilateral symmetry of Z-direction guide rod, Z-direction fixed guide bonding part is all fixed with the second Z-direction line slideway track coordinated with the first corresponding Z-direction line slideway track.
10. a kind of numerical control device as described in claim 1 to 7 any one, is characterized in that: the targeting part of Z-direction guide rod is cylindrical; Z-direction guide rod is provided with spline groove, slide is provided with the Z-direction guide pin bushing coordinated with Z-direction guide rod, be provided with between Z-direction guide pin bushing and Z-direction guide rod and prevent Z-direction guide rod along guide rod axis horizontal direction spline structure rotationally.
11. a kind of numerical control devices as claimed in claim 8, it is characterized in that: spline structure comprises anti-rotation block, the side of Z-direction guide pin bushing is provided with the accommodating through hole of the horizontal direction of accommodating anti-rotation block, be provided with abutment at accommodating through hole towards the one end outside Z-direction guide pin bushing, between anti-rotation block and abutment, be provided with spring; The side of Z-direction guide rod is provided with the spline groove coordinated with anti-rotation block, and anti-rotation block protrudes the pilot hole coordinated with Z-direction guide rod and stretches in spline groove.
12. a kind of numerical control devices as described in claim 1 to 7 any one, is characterized in that: Z-direction feed screw nut is fixed on Z-direction guide rod; Also be provided with and prevent Z-direction guide rod along guide rod axis horizontal direction spline structure rotationally; Spline structure comprises anti-rotation block, and Z-direction guide rod is provided with the holding part of accommodating anti-rotation block, between anti-rotation block and Z-direction guide rod, be provided with back-moving spring; Anti-rotation block protrudes the periphery of Z-direction guide rod, is provided with the spline groove coordinated with the 3rd anti-rotation block in the pilot hole coordinated with Z-direction guide rod.
The 13. a kind of numerical control devices stated as claim 12, is characterized in that: described holding part is be arranged on the blind hole on Z-direction guide rod side, and the 3rd spring fitting is between the bottom surface of blind hole and the 3rd anti-rotation block; 3rd anti-rotation block protrudes periphery and the spline slot fit of Z-direction guide rod away from the side of spring.
14. a kind of numerical control devices as claimed in claim 12, is characterized in that: storage tank is arranged on the top of Z-direction guide rod and is communicated with the side of Z-direction guide rod; Spline structure also comprises and is arranged on the 4th anti-rotation block, end cap, and the 3rd spring fitting is provided with the 3rd spring between the 3rd anti-rotation block, the 4th anti-rotation block, and the 3rd anti-rotation block, the 4th anti-rotation block are limited on Z-direction guide rod and move in setting range by end cap; 3rd anti-rotation block protrudes periphery and the spline slot fit of Z-direction guide rod.
15. a kind of numerical control devices as described in claim 1 to 7 any one, is characterized in that: the support portion that slide is upwards provided with is the upper guide bush coordinated with Z-direction guide rod, also to having lower guide pin bushing on slide; The top of the pilot hole of motor mounting plate sealing upper guide bush; Z-direction guide rod, Z-direction drive unit are arranged in Z-direction guide pin bushing; In guide pin bushing, be provided with guiding insert, rotating shaft coordinates with guiding insert.
16. 1 kinds of numerical control devices, comprise main shaft device, and install the slide of main shaft device, slide drive unit, clamping workpiece device, main processing head, is characterized in that: the Z-direction drive unit that main shaft device comprises Z-direction guide rod, drives Z-direction guide rod to move up and down; Z-direction guide rod only can be installed together with slide up and down; Also comprise that be arranged in Z-direction guide rod only can Z-direction guide rod rotating shaft rotationally relatively, rotating shaft drive unit; Z-direction drive unit comprises a Z-direction drive motors, the Z-direction screw mandrel be connected with the motor shaft of drive motors, the feed screw nut coordinated with Z-direction screw mandrel; Slide is upwards provided with support portion, support portion is provided with motor mounting plate, Z-direction drive motors is fixed on motor mounting plate, and Z-direction screw mandrel passes motor mounting plate away from one end of drive motors; Feed screw nut and Z-direction guide rod are fixed, and main processing head is arranged on below Z-direction guide rod; Be provided with conducting ring in rotating shaft periphery, rotating shaft be provided with the electric wire accommodating hole or electric wire storage tank that are communicated with conducting ring, in electric wire accommodating 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 and be arranged on balance staff on swing seat and balance staff drive unit, the main processing headstock of described main processing head to be fixed on balance staff or 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 the motor be arranged in rotating shaft; Conducting ring is electrically connected with the brush friction being electrically connected external power source, and brush and Z-direction guide rod are fixed; Also holder is fixed with in the lower end of Z-direction guide rod; Rotating shaft drive unit comprises the first stator being arranged on holder lower end, is arranged on the first rotor in the first stator, and rotating shaft and main processing headstock are fixed, and rotating shaft is only installed in rotation in the first rotor.
CN201210013794.6A 2011-09-21 2012-01-16 A kind of numerical control device CN102717306B (en)

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CN2011103515307 2011-11-08
CN201110351530.7 2011-11-08
CN201210013794.6A CN102717306B (en) 2011-09-21 2012-01-16 A kind of numerical control device

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