CN110064763A - High-precision turning machine - Google Patents
High-precision turning machine Download PDFInfo
- Publication number
- CN110064763A CN110064763A CN201910323153.2A CN201910323153A CN110064763A CN 110064763 A CN110064763 A CN 110064763A CN 201910323153 A CN201910323153 A CN 201910323153A CN 110064763 A CN110064763 A CN 110064763A
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- China
- Prior art keywords
- longitudinal
- vertical
- slide unit
- air
- movable mechanism
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention belongs to lathe for machining technical fields, more particularly to a kind of high-precision turning machine, including rack, workpiece installs turntable, lathe tool mounting base, lateral air-floated movable mechanism and longitudinal air-floated movable mechanism, rack is equipped with turning area, lateral air-floated movable mechanism is in be horizontally installed in rack and be located at the top of workpiece installation turntable, longitudinal air-floated movable mechanism is in longitudinally mounted on the driving end of lateral air-floated movable mechanism, and it can be laterally moved under the driving of lateral air-floated movable mechanism, workpiece installation turntable is rotatably installed on the driving end of longitudinal air-floated movable mechanism, and it can move longitudinally under the driving of longitudinal air-floated movable mechanism, lathe tool mounting base is in be mounted vertically in rack and be located in turning area, when moving, lateral air-floated movable mechanism is contactless movement with longitudinal air-floated movable mechanism, To effectively avoid the negative effect of the frictional force generated by contact, the mobile accuracy of workpiece installation turntable is improved.
Description
Technical field
The invention belongs to lathe for machining technical field more particularly to a kind of high-precision turning machines.
Background technique
Turning machine is applied to carry out workpiece turnery processing, and structure is usually to be mounted on the rack rotary shaft and position
Fixation is set, lathe tool is mounted in mobile mechanism.In use, workpiece installation is on the rotary shaft and with rotary shaft high speed rotation,
Lathe tool is mobile in the periphery of workpiece with mobile mechanism, and lathe tool is vertical with the periphery of workpiece abuts, so that lathe tool
Cutter carries out turnery processing to workpiece, and mobile mechanism generally comprises transverse shifting axis and longitudinal movement axis, wherein transverse shifting
Axis is mounted on the rack and extends along the length direction of workpiece installation, and longitudinal movement axis is mounted on the driving end of transverse shifting axis
It can move above and along the direction perpendicular to transverse shifting axis, Cutting tool installation manner is on the output end of longitudinal movement axis.But it is existing
Lathe transverse shifting axis and longitudinal movement axis generally be the combination of sliding block and guide rail, since sliding block on guide rail when sliding
Friction can be generated, even if by addition lubricating oil, but still can also have friction, the mobile accuracy of sliding block is so just influenced, into
And influence the machining accuracy of workpiece.
Summary of the invention
The purpose of the present invention is to provide a kind of high-precision turning machines, it is intended to solve turning machine pair in the prior art
The not high technical problem of the machining accuracy of workpiece.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of high-precision turning machine, including rack, work
Part installs turntable, lathe tool mounting base, lateral air-floated movable mechanism and longitudinal air-floated movable mechanism, the rack and is equipped with turning
Area, the transverse direction air-floated movable mechanism are in be horizontally installed in the rack and be located in the turning area, the longitudinal direction air bearing
Mobile mechanism in longitudinally mounted on the driving end of the lateral air-floated movable mechanism, and in the lateral air-floated movable mechanism
It can be laterally moved under driving, the workpiece installation turntable is rotatably installed on the driving of longitudinal air-floated movable mechanism
It on end, and can move longitudinally under the driving of longitudinal air-floated movable mechanism, the lathe tool mounting base is in vertical installation
In the rack and it is located at the top that the workpiece installs turntable.
Preferably, the lateral air-floated movable mechanism includes horizontal support, horizontal linear motor and lateral air bearing mould group, institute
It states horizontal support to be installed in the rack, the horizontal linear motor is installed on the horizontal support, the transverse direction air bearing
Mould group includes lateral gas supply assembly, cross slide way and horizontal slide unit, the cross slide way be installed on the horizontal support and with
The equidirectional extension of horizontal support, the horizontal slide unit are installed on the cross slide way, it is described transverse direction gas supply assembly it is defeated
Outlet is towards offer gas between the cross slide way and the horizontal slide unit so that the cross slide way and the transverse direction are sliding
It is installed between platform in gap, the mover of the horizontal linear motor connect with the horizontal slide unit and drives the horizontal slide unit edge
The cross slide way move back and forth, the longitudinal direction air-floated movable mechanism is installed in the horizontal slide unit.
Preferably, the both ends in the horizontal slide unit with the equidirectional extension of the horizontal slide rail are respectively equipped with multiple supplied gas
By lateral air bearing flow controller, each lateral air bearing flow controller is connected to the horizontal slide unit and the cross slide way
Between surface.
Preferably, longitudinal air-floated movable mechanism includes longitudinal carrier, longitudinal linear motor and longitudinal air bearing mould group, institute
It states longitudinal carrier to be installed on the driving end of the lateral air-floated movable mechanism, the longitudinal direction linear motor is installed on the longitudinal direction
On bracket, the longitudinal direction air bearing mould group includes that longitudinal gas supply assembly, longitudinal rail and longitudinal slide unit, the longitudinal rail are installed on
On the longitudinal carrier and with the equidirectional extension of the longitudinal carrier, the longitudinal slide unit is installed on the longitudinal rail, institute
The output end of longitudinal gas supply assembly is stated towards gas supply between the longitudinal rail and the longitudinal slide unit so that the longitudinal direction is led
It is installed between rail and the longitudinal slide unit in gap, the mover of the longitudinal direction linear motor connect and drives with the longitudinal slide unit
The longitudinal slide unit moves back and forth along the longitudinal rail, and the workpiece installation turntable is installed in the longitudinal slide unit.
Preferably, the both ends in the longitudinal slide unit with the equidirectional extension of the longitudinal rail are respectively equipped with multiple supplied gas
By longitudinal air bearing flow controller, each longitudinal air bearing flow controller is connected to the longitudinal slide unit and the longitudinal rail
Between surface.
Preferably, there are two the lateral air-floated movable mechanism is set, two lateral air-floated movable mechanisms are set in parallel
Be placed in the rack and be located at the both ends in the turning area, the both ends of the longitudinal direction air-floated movable mechanism respectively with two
The driving end connection of the transverse direction air-floated movable mechanism.
Preferably, the high-precision turning machine further includes vertical air-floated movable mechanism, the vertical air-floated movable mechanism
It is installed in the rack including vertical supports, vertical lines motor and vertical air bearing mould group, the vertical supports, it is described vertical
Linear motor is installed in the vertical supports, and the vertical air bearing mould group includes vertical gas supply assembly, vertical guide and vertical
Slide unit, the vertical guide be installed in the vertical supports and with the equidirectional extension of the vertical supports, the vertical slide unit
Be installed in the vertical guide, the output end of the vertical gas supply assembly towards the vertical guide and the vertical slide unit it
Between supply so that between the vertical guide and the vertical slide unit in gap install, the mover of the vertical lines motor with
The vertical slide unit connects and the vertical slide unit is driven to move back and forth along the vertical guide, the lathe tool mounting base installation
In on the vertical slide unit.
Preferably, the vertical air-floated movable mechanism further includes vertical counterweight cylinder, and the vertical counterweight cylinder is installed on
In the vertical supports, the output end of the vertical counterweight cylinder connect with the vertical slide unit and drives the vertical slide unit edge
The vertical guide move back and forth.
Preferably, the vertical air-floated movable mechanism further includes precision measurement and detection device, the precision measurement and detection device packet
It includes detection support, detection cylinder and detection probe, the detection support to be installed in the vertical supports, the detection cylinder peace
Loaded in the detection support, the output end of the detection cylinder is extended to straight down in the turning area, and the detection is visited
Head is installed on the output end of the detection cylinder.
Preferably, the workpiece installation turntable includes turntable support, source of rotational drive, rotates main shaft and workpiece fixing piece,
The turntable support is installed in longitudinal air-floated movable mechanism, and the source of rotational drive and the rotation main shaft are mounted on
On the turntable support, the output end of the source of rotational drive connect with the rotation main shaft and the rotation main shaft is driven to turn
Dynamic, the workpiece fixing piece is installed on the main the tip of the axis of rotation.
Beneficial effects of the present invention: high-precision turning machine of the invention, in turner, by Cutting tool installation manner in lathe tool
In mounting base, workpiece be fixedly mounted on workpiece installation turntable on, workpiece install turntable high-speed rotation to drive Work piece high-speed to rotate,
And workpiece installation turntable moves freely in turning area with lateral air-floated movable mechanism and longitudinal air-floated movable mechanism, i.e., lateral gas
Float the specified processing that mobile mechanism and longitudinal air-floated movable mechanism can drive workpiece to move freely above cutter in turning area
It is at position and mobile according to set machining path, so that workpiece gradually machine-shaping.Due to lateral air-floated movable mechanism and indulge
It is the mechanism constituted using air bearing principle to air-floated movable mechanism, then when moving, lateral air-floated movable mechanism and vertical
It is contactless movement to air-floated movable mechanism, thus mobile in lateral air-floated movable mechanism and longitudinal air-floated movable mechanism
The negative effect of the frictional force generated by contact is avoided in the process, and then greatly improves the mobile essence of workpiece installation turntable
Degree, i.e., workpiece can accurately be moved to specified Working position in turning area, so that workpiece can achieve high-precision add
Work target.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of high-precision turning machine provided in an embodiment of the present invention；
Fig. 2 is the partial structure diagram of high-precision turning machine provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the horizontal slide unit of high-precision turning machine provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of longitudinal air-floated movable mechanism of high-precision turning machine provided in an embodiment of the present invention；
Fig. 5 is the vertical air-floated movable mechanism structure schematic diagram of high-precision turning machine provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the vertical air bearing mould group of high-precision turning machine provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the precision measurement and detection device of high-precision turning machine provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure:
10-11-turning of rack, 20-workpiece of area install turntable
21-turntable support 22-rotation, 23-workpiece of main shaft fixing pieces
30-40-lateral air-floated movable of lathe tool mounting base mechanism, 41-horizontal supports
42-43-lateral 50-longitudinal air-floated movable of air bearing mould group of horizontal linear motor mechanisms
51-52-longitudinal direction of longitudinal carrier linear motor 53-longitudinal direction air bearing mould groups
60-vertical air-floated movable mechanism 61-vertical supports, 62-vertical lines motors
63-vertical air bearing mould groups 64-vertical counterweight cylinder 65-precision measurement and detection device
431-cross slide way 432-horizontal slide unit, 531-longitudinal rails
532-longitudinal slide unit 611-vertical spacing, 631-vertical guides of buffer stopper
632-651-detection support of vertical slide unit, 652-detection cylinders
653-detection probe 4321-transverse direction air bearing flow controller 5321-longitudinal direction air bearing flow controllers
5322-longitudinal spacing buffers.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1~7 is described is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 1~7, the embodiment of the invention provides a kind of high-precision turning machine, it is applied to carry out workpiece high
The turnery processing of precision.Specifically, high-precision turning machine include organic frame 10, workpiece installation turntable 20, lathe tool mounting base 30,
Lateral air-floated movable mechanism 40 and longitudinal air-floated movable mechanism 50, the rack 10 is equipped with turning area 11, wherein in rack 10
It is equipped with marble plane, which is located at the top of marble plane, and the transverse direction air-floated movable mechanism 40 is in laterally
It is installed on the rack 10 (marble plane) and is located in the turning area 11, the longitudinal direction air-floated movable mechanism 50 is in vertical
To being installed on the driving end of the lateral air-floated movable mechanism 40, and the energy under the driving of the lateral air-floated movable mechanism 40
It enough laterally moves, the workpiece installation turntable 20 is rotatably installed on the driving end of longitudinal air-floated movable mechanism 50
On, and can move longitudinally under the driving of longitudinal air-floated movable mechanism 50, the lathe tool mounting base 30 is in vertical peace
In the rack 10 and it is located at the top that the workpiece installs turntable 20.
Specifically, the high-precision turning machine of the embodiment of the present invention installs Cutting tool installation manner in lathe tool in turner
On seat 30, workpiece is fixedly mounted on workpiece installation turntable 20, and workpiece installs 20 high-speed rotation of turntable to drive Work piece high-speed to turn
It is dynamic, and workpiece installation turntable 20 freely moves in turning area 11 with lateral air-floated movable mechanism 40 and longitudinal air-floated movable mechanism 50
Dynamic, i.e. lateral air-floated movable mechanism 40 and longitudinal air-floated movable mechanism 50 can drive workpiece to move freely through in turning area 11
It is at the specified Working position of cutter and mobile according to set machining path, so that workpiece gradually machine-shaping.Due to transverse direction
Air-floated movable mechanism 40 and longitudinal air-floated movable mechanism 50 are the mechanism constituted using air bearing principle, then when moving, it is horizontal
To air-floated movable mechanism 40 and longitudinal air-floated movable mechanism 50 is contactless movement, thus in lateral air-floated movable machine
The negative effect of the frictional force generated by contact is avoided in 50 moving process of structure 40 and longitudinal air-floated movable mechanism, and then greatly
Ground improves the mobile accuracy of workpiece installation turntable 20, i.e. workpiece can accurately be moved to specified processing in turning area 11
Position, so that workpiece can achieve high-precision editing objective.
Wherein, slow cutting die group can be installed in lathe tool mounting base 30, fast cutting die group can also be installed.When lathe tool mounting base 30
Upper installation be slow cutting die group when, cutter is Single-crystal Diamond Cutters, cooperates high-precision turntable processing aluminium alloy or red copper part, can
It is disposable light-exposed；The lathe is suitable for processing ruled surface (cylindrical surface, the conical surface or the standard of plane or rotational symmetry at this time
Spherical surface) workpiece, the mold processing of the optical components such as aluminium alloy, red copper particularly suitable for processing mirror effect, processing
The surface roughness of workpiece out can reach within 3nm, process the contour accuracy of workpiece within 6nm.When lathe tool is pacified
It is (axial movement in the vertical air-floated movable mechanism 60 of normal slow cutting die group when what is installed on dress seat 30 is fast cutting die group
Within peak acceleration 2g) along with (peak acceleration of fast tool servo can reach 25g to a fast cutting die group, and movement travel exists
Within 20mm, it is piezoceramic material that the principle of sharp knife driving, which is actuating station, and electric energy is converted to the motion energy of high frequency), and
By the tool apron of diamond cutter and diamond cutter integrated installation in the actuating station of fast tool servo, it can be achieved that diamond cutter is processed
When hypervelocity variation response；In use, high-precision turntable and fast cutting die group is cooperated to process aluminium alloy or red copper part, it can be primary
Property it is light-exposed, the lathe is suitable for processing the workpiece of nonstandard curved surface at this time, particularly suitable for processing the aluminium alloy of mirror effect, red copper
The mold of equal optical components processes (complicated surfaces such as microlens array, hololens, diffraction element and gradient lens and micro- knot
The optical element of structure)；The surface roughness of its workpiece processed can reach within 5nm, process the profile essence of workpiece
Degree is within 10nm.
In another embodiment of the present invention, as shown in Figure 2,3, the lateral air-floated movable mechanism 40 includes laterally propping up
Frame 41, horizontal linear motor 42 and lateral air bearing mould group 43, the horizontal support 41 are in be horizontally installed in the rack 10 simultaneously
Positioned at the one end in turning area 11, the horizontal linear motor 42 is installed on the horizontal support 41, wherein horizontal linear motor
42 stator be laid on horizontal support 41 and with the equidirectional extension of horizontal support 41, after the mover of horizontal linear motor 42 is powered
Move back and forth on the stator of horizontal linear motor 42.The transverse direction air bearing mould group 43 includes lateral gas supply assembly, cross slide way
431 and horizontal slide unit 432, the cross slide way 431 be installed on the horizontal support 41 and with 41 Tongfang of horizontal support
To extension, the horizontal slide unit 432 is installed on the cross slide way 431, and the output end of the transverse direction gas supply assembly is towards institute
It states and provides gas between cross slide way 431 and the horizontal slide unit 432 so that the cross slide way 431 and the horizontal slide unit
It is installed between 432 in gap, the mover of the horizontal linear motor 42 connect with the horizontal slide unit 432 and drives the transverse direction
Slide unit 432 moves back and forth along the cross slide way 431, and the longitudinal direction air-floated movable mechanism 50 is installed on the horizontal slide unit
On 432.When in use, lateral gas supply assembly is towards providing filtered gas between cross slide way 431 and the horizontal slide unit 432
Body, and gas pressure intensity, between 0.5Mpa~1Mpa, after ventilation, the relatively transverse sliding rail of horizontal slide unit 432 floats, it is laterally sliding at this time
Platform 432 and horizontal slide rail just form contactless installation, almost without frictional force between horizontal slide unit 432 and horizontal slide rail,
Moving resistance is very small, to realize longitudinal air-floated movable mechanism 50 in the target of lateral high precision movement, using effect is fabulous.
In another embodiment of the present invention, as shown in figure 3, it is same with the horizontal slide rail in the horizontal slide unit 432
The both ends that direction extends are respectively equipped with multiple lateral air bearing flow controllers 4321 for gas to pass through, each lateral air bearing flow controller
4321 are connected between the horizontal slide unit 432 and the surface of the cross slide way 431.Specifically, cross slide way 431 is big
The high-precision air-float guide rail of fibrous gypsum, left side, upper side and right side are lateral air bearing surface, and horizontal slide unit 432 is in inverted " u "
Type be located on left side, upper side and right side on cross slide way 431, left side, the upside of 432 both ends end of horizontal slide unit
It is equipped with a lateral air bearing flow controller 4321 with right side, both ends are equipped with laterally six air bearing flow controllers in total, in use, by
The gas filtered is made by forming pneumatically supported contactless state between lateral air bearing surface after each lateral air bearing flow controller 4321
It is very small to obtain the resistance that horizontal slide unit 432 moves on cross slide way 431, and then realizes high-precision movement.
In another embodiment of the present invention, as shown in Fig. 1,2,4, the longitudinal direction air-floated movable mechanism 50 includes longitudinal
Bracket 51, longitudinal linear motor 52 and longitudinal air bearing mould group 53, the longitudinal carrier 51 is in longitudinally mounted in the lateral air bearing
On the driving end of mobile mechanism 40 and it is located in turning area 11, the longitudinal direction linear motor 52 is installed on the longitudinal carrier 51
On, wherein the stator of longitudinal linear motor 52 be laid on longitudinal carrier 51 and with the equidirectional extension of longitudinal carrier 51, Zong Xiangzhi
The mover of line motor 52 moves back and forth on the stator of longitudinal linear motor 52 after being powered.The longitudinal direction air bearing mould group 53 includes vertical
To gas supply assembly, longitudinal rail 531 and longitudinal slide unit 532, the longitudinal rail 531 be installed on the longitudinal carrier 51 and with
The equidirectional extension of the longitudinal carrier 51, the longitudinal slide unit 532 are installed on the longitudinal rail 531, longitudinal gas supply
The output end of component is towards gas supply between the longitudinal rail 531 and the longitudinal slide unit 532 so that the longitudinal rail 531
It is installed between the longitudinal slide unit 532 in gap, the mover of the longitudinal direction linear motor 52 is connect with the longitudinal slide unit 532
And the longitudinal slide unit 532 is driven to move back and forth along the longitudinal rail 531, the workpiece installation turntable 20 is installed on described
In longitudinal slide unit 532.When in use, longitudinal gas supply assembly is filtered towards offer between longitudinal rail 531 and longitudinal slide unit 532
Gas, and gas pressure intensity is between 0.5Mpa~1Mpa, and after ventilation, longitudinal slide unit 532 floats with respect to longitudinal slide rail, indulges at this time
Contactless installation is just formed to slide unit 532 and longitudinal slide rail, almost without friction between longitudinal slide unit 532 and longitudinal slide rail
Power, moving resistance is very small, to realize that workpiece installation turntable 20 in the target of longitudinal high precision movement, cooperates longitudinal gas in this way
Floating mobile mechanism 50 can accurately move laterally, then workpiece installation turntable 20 can be in turning area 11 in high precision
Ground moves freely so that the cutter being mounted on Cutting tool installation manner platform can accurate cutting workpiece, realize to the high-precision of workpiece
Degree processing, using effect are fabulous.
In another embodiment of the present invention, as shown in Figure 2,4, longitudinal carrier 51 is in be longitudinally mounted to horizontal slide unit
On 432.
In another embodiment of the present invention, as shown in figure 4, in the longitudinal slide unit 532 with the longitudinal rail 531
The both ends of equidirectional extension are respectively equipped with multiple longitudinal air bearing flow controllers 5321 for gas to pass through, each longitudinal air bearing throttling
Device 5321 is connected between the longitudinal slide unit 532 and the surface of the longitudinal rail 531.Specifically, longitudinal rail 531 is
Marmorean high-precision air-float guide rail, left side and right side are longitudinal air bearing surface, and longitudinal slide unit 532 is in " mouth " font set
It connects on four sides of the outside on longitudinal rail 531, the left and right side of 532 both ends end of longitudinal slide unit is equipped with longitudinal direction
Air bearing flow controller 5321, and be equipped with multiple air bearings on one side of the longitudinal slide unit 532 towards 10 marble countertop of rack and go out
Port, so that gas is blown out by each air bearing gas outlet；In use, passing through each longitudinal air bearing flow controller through filtered gas
After 5321 between longitudinal air bearing surface, so that the left and right side of longitudinal slide unit 532 and longitudinal rail 531 form pneumatically supported non-connect
Touching state, and gas is blown out by each air bearing gas outlet, so that longitudinal slide unit 532 is towards the side of 10 marble countertop of rack
The face recoil strength upward by gas is to overcome self weight, so that the upper and lower end faces of longitudinal slide unit 532 and longitudinal rail 531
Pneumatically supported contactless state is formed, and then the resistance for realizing that longitudinal slide unit 532 moves on longitudinal rail 531 is very small, in this way
Realize high-precision movement.
In another embodiment of the present invention, as shown in Figure 1, 2, there are two the lateral air-floated movable mechanism 40 is set,
Two lateral air-floated movable mechanisms 40 are set in parallel in the rack 10 and being located at the two of the turning area 11
End, the both ends of the longitudinal direction air-floated movable mechanism 50 are connect with the driving end of two lateral air-floated movable mechanisms 40 respectively.
Specifically, by the way that a lateral air-floated movable mechanism 40, air-floated movable machine longitudinal in this way is respectively set at the both ends in turning area 11
Structure 50 is connected on the driving end of two lateral air-floated movable mechanisms 40, so that longitudinal air-floated movable mechanism 50 is in turning area
More stable when transverse shifting in 11, mobile accuracy is higher.Further, the both ends of longitudinal slide unit 532 are equipped with leads with longitudinal
The longitudinal spacing buffer 5322 of the equidirectional extension of rail 531, and each longitudinal spacing buffer 5322 faces away from longitudinal cunning
Platform 532 extends, and can thus make longitudinal slide unit 532 will not be with the cross at both ends during mobile on longitudinal rail 531
To 40 rigid contact of air-floated movable mechanism, the damage of structure caused by avoiding because of collision.
In another embodiment of the present invention, as shown in Fig. 2, longitudinal carrier 51 in longitudinal air-floated movable mechanism 50
Both ends are connected in the horizontal slide unit 432 of two lateral air-floated movable mechanisms 40.
In another embodiment of the present invention, as shown in Fig. 1,5,6, the high-precision turning machine further includes vertical gas
Floating mobile mechanism 60, the vertical air-floated movable mechanism 60 include vertical supports 61, vertical lines motor 62 and vertical air bearing mould
Group 63, the vertical supports 61 are in a vertical shape to be installed in the rack 10, and the vertical lines motor 62 is installed on described perpendicular
To on bracket 61, wherein the stator of vertical lines motor 62 be laid in vertical supports 61 and with vertical supports 61 are equidirectional prolongs
It stretches, the mover of vertical lines motor 62 moves back and forth on the stator of vertical lines motor 62 after being powered.The vertical air bearing mould
Group 63 includes that vertical gas supply assembly, vertical guide 631 and vertical slide unit 632, the vertical guide 631 are installed on the vertical branch
On frame 61 and with the equidirectional extension of the vertical supports 61, the vertical slide unit 632 is installed in the vertical guide 631, institute
The output end of vertical gas supply assembly is stated towards gas supply between the vertical guide 631 and the vertical slide unit 632 so that described
It is installed between vertical guide 631 and the vertical slide unit 632 in gap, the mover of the vertical lines motor 62 and described vertical
Slide unit 632 connects and the vertical slide unit 632 is driven to move back and forth along the vertical guide 631, the lathe tool mounting base 30
It is installed on the vertical slide unit 632.When in use, vertical gas supply assembly is towards vertical guide 631 and the vertical slide unit 632
Between filtered gas is provided, and gas pressure intensity, between 0.5Mpa~1Mpa, after ventilation, vertical slide unit 632 is relatively vertical
Sliding rail floats, and vertical slide unit 632 just forms contactless installation, vertical slide unit 632 and vertical rails with vertical rails at this time
Between almost without frictional force, moving resistance is very small, thus realize lathe tool mounting base 30 in the target of vertical high precision movement,
Using effect is fabulous.
In another embodiment of the present invention, as shown in fig. 6, on the vertical slide unit 632 with the vertical guide 631
The both ends of equidirectional extension are respectively equipped with multiple vertical air bearing flow controllers for gas to pass through, and each vertical air bearing flow controller is equal
It is connected between the vertical slide unit 632 and the surface of the vertical guide 631.Specifically, vertical guide 631 is marmorean
High-precision air-float guide rail, left side, right side and the side towards turning area 11 are vertical air bearing surface, vertical slide unit
632 are socketed on three sides of the outside on longitudinal rail 531 in " U " font, the upper end of vertical 632 both ends end of slide unit and
Lower end is equipped with longitudinal air bearing flow controller 5321, in use, after filtered gas is by each vertical air bearing flow controller with
Pneumatically supported contactless state is formed between vertical air bearing surface, so that the resistance that vertical slide unit 632 moves in vertical guide 631 is non-
It is often small, and then realize high-precision movement.Further, the lower end of vertical supports 61 is equipped with and vertical guide 631 is equidirectional prolongs
The vertical spacing buffer stopper 611 stretched, with prevent vertical slide unit 632 during moving down with the limit position of vertical supports 61
It sets to form rigid contact, avoids that mutual structure is caused to damage.
In another embodiment of the present invention, as shown in Figure 5,6, the vertical air-floated movable mechanism 60 further includes vertical
Counterweight cylinder 64, the vertical counterweight cylinder 64 are installed in the vertical supports 61, the output of the vertical counterweight cylinder 64
End connect with the vertical slide unit 632 and the vertical slide unit 632 is driven to move back and forth along the vertical guide 631.Specifically
Ground, by the way that vertical counterweight cylinder 64 is arranged in vertical air-floated movable mechanism 60, so that cutter is during moving up and down, it can
Auxiliary movement is carried out to cutter with the power using vertical counterweight cylinder 64, efficiently reduces the load of vertical lines motor 62,
And then the positioning accuracy during cutter moves up and down is effectively improved, using effect is good.
In another embodiment of the present invention, as shown in Fig. 5,7, the vertical air-floated movable mechanism 60 further includes processing
Precision detecting device 65, the precision measurement and detection device 65 include detection support 651, detection cylinder 652 and detection probe 653, institute
It states detection support 651 to be installed in the vertical supports 61, the detection cylinder 652 is installed in the detection support 651, institute
The output end for stating detection cylinder 652 is extended to straight down in the turning area 11, and the detection probe 653 is installed on the inspection
It surveys on the output end of cylinder 652.Specifically, detection probe 653 is for detecting the machining accuracy of workpiece, when detection, inspection
Surveying cylinder 652 pushes detection probe 653 to be abutted out with workpiece, then makes detection probe 653 along the processing of workpiece
Track walking carries out data acquisition to complete to detect, and after having detected, detection cylinder 652 pushes the retraction of detection probe 653 with separate
Workpiece.Further, precision measurement and detection device 65 further includes shield, and shield is mounted in detection support 651 and is located at detection
The periphery of cylinder 652, in this way when not needing the machining accuracy to workpiece and detecting, detection cylinder 652 drives detection probe
653 bounce back in shield and are protected, and using effect is good.
In another embodiment of the present invention, as shown in Figure 1, 2, the workpiece installation turntable 20 includes turntable support
21, source of rotational drive, rotation main shaft 22 and workpiece fixing piece 23, the turntable support 21 are installed on longitudinal air-floated movable machine
On structure 50, the source of rotational drive and the rotation main shaft 22 are mounted on the turntable support 21, the source of rotational drive
Output end connect with the rotation main shaft 22 and the rotation main shaft 22 driven to rotate, the workpiece fixing piece 23 is installed on institute
State the end of rotation main shaft 22.Specifically, workpiece is mounted on workpiece fixing piece 23, when carrying out turnery processing to workpiece, work
Part needs high-speed rotation, then driving rotation 22 high-speed rotation of main shaft by source of rotational drive to drive 23 high speed of workpiece fixing piece
Rotation, to realize the high-speed rotation of workpiece.Wherein, the maximum speed for rotating main shaft 22 is 1500rpm, workpiece fixing piece 23
End bounce and circular runout are all within 0.5um；When processing plane, workpiece fixing piece 23 rotates, vertical air-floated movable machine
Structure 60 is motionless, perhaps does Uniform Movement or uniformly variable motion up and down.
In another embodiment of the present invention, multiple threaded holes are equably disposed on the end face of workpiece fixing piece 23,
When workpiece is installed, counterweight can be carried out plus screw in each threaded hole, so that entire workpiece installation turntable 20 reaches dynamic balancing
It is processed again afterwards, is further ensured that the machining accuracy of workpiece.
In another embodiment of the present invention, the oil fog generator extended in turning area 11 is equipped in rack 10,
The spray head of the oil fog generator in work pieces process towards workpiece machined surface spray mist of oil so that workpiece processing when,
It can be cooled down and be lubricated, play the role of protection processing plane, to further guarantee that workpiece has good processing
Precision.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of high-precision turning machine, it is characterised in that: including rack, workpiece installation turntable, lathe tool mounting base, lateral air bearing
Mobile mechanism and longitudinal air-floated movable mechanism, the rack are equipped with turning area, and the transverse direction air-floated movable mechanism is in laterally peace
Loaded in the rack and in the turning area, the longitudinal direction air-floated movable mechanism is in longitudinally mounted in the lateral air bearing
On the driving end of mobile mechanism, and it can be laterally moved under the driving of the lateral air-floated movable mechanism, the workpiece peace
Dress turntable is rotatably installed on the driving end of longitudinal air-floated movable mechanism, and in longitudinal air-floated movable mechanism
It can move longitudinally under driving, the lathe tool mounting base is in be mounted vertically in the rack and be located at workpiece installation to turn
The top of platform.
2. high-precision turning machine according to claim 1, it is characterised in that: the transverse direction air-floated movable mechanism includes cross
It is installed in the rack to bracket, horizontal linear motor and lateral air bearing mould group, the horizontal support, the transverse direction straight-line electric
Machine is installed on the horizontal support, and the transverse direction air bearing mould group includes lateral gas supply assembly, cross slide way and horizontal slide unit, institute
State cross slide way be installed on the horizontal support and with the equidirectional extension of the horizontal support, the horizontal slide unit is installed on institute
It states on cross slide way, the output end of the transverse direction gas supply assembly provides gas towards between the cross slide way and the horizontal slide unit
Body so that between the cross slide way and the horizontal slide unit in gap install, the mover of the horizontal linear motor with it is described
Horizontal slide unit connects and the horizontal slide unit is driven to move back and forth along the cross slide way, longitudinal direction air-floated movable mechanism peace
Loaded in the horizontal slide unit.
3. high-precision turning machine according to claim 2, it is characterised in that: laterally slided in the horizontal slide unit with described
The both ends of the equidirectional extension of rail are respectively equipped with multiple lateral air bearing flow controllers for gas to pass through, each lateral air bearing flow controller
It is connected between the horizontal slide unit and the surface of the cross slide way.
4. high-precision turning machine according to claim 1, it is characterised in that: the longitudinal direction air-floated movable mechanism includes vertical
To bracket, longitudinal linear motor and longitudinal air bearing mould group, the longitudinal carrier is installed on the drive of the lateral air-floated movable mechanism
On moved end, the longitudinal direction linear motor is installed on the longitudinal carrier, the longitudinal direction air bearing mould group include longitudinal gas supply assembly,
Longitudinal rail and longitudinal slide unit, the longitudinal rail be installed on the longitudinal carrier and with the longitudinal carrier is equidirectional prolongs
It stretches, the longitudinal slide unit is installed on the longitudinal rail, and the output end of the longitudinal direction gas supply assembly is towards the longitudinal rail
The gas supply between the longitudinal slide unit between the longitudinal rail and the longitudinal slide unit in gap so that install, the longitudinal direction
The mover of linear motor connect with the longitudinal slide unit and the longitudinal slide unit is driven to move back and forth along the longitudinal rail, institute
Workpiece installation turntable is stated to be installed in the longitudinal slide unit.
5. high-precision turning machine according to claim 4, it is characterised in that: led in the longitudinal slide unit with the longitudinal direction
The both ends of the equidirectional extension of rail are respectively equipped with multiple longitudinal air bearing flow controllers for gas to pass through, each longitudinal air bearing flow controller
It is connected between the longitudinal slide unit and the surface of the longitudinal rail.
6. described in any item high-precision turning machines according to claim 1~5, it is characterised in that: the transverse direction air-floated movable
There are two mechanism is set, two lateral air-floated movable mechanisms are set in parallel in the rack and being located at the turning
The both ends in area, driving end of the both ends of the longitudinal direction air-floated movable mechanism respectively with two lateral air-floated movable mechanisms connect
It connects.
7. described in any item high-precision turning machines according to claim 1~5, it is characterised in that: the high-precision turning machine
Bed further includes vertical air-floated movable mechanism, and the vertical air-floated movable mechanism includes vertical supports, vertical lines motor and vertical
Air bearing mould group, the vertical supports are installed in the rack, and the vertical lines motor is installed in the vertical supports, institute
Stating vertical air bearing mould group includes vertical gas supply assembly, vertical guide and vertical slide unit, and the vertical guide is installed on described vertical
On bracket and with the equidirectional extension of the vertical supports, the vertical slide unit is installed in the vertical guide, the vertical confession
The output end of pneumatic module is towards gas supply between the vertical guide and the vertical slide unit so that the vertical guide and described
It is installed between vertical slide unit in gap, the mover of the vertical lines motor connect with the vertical slide unit and drives described vertical
Slide unit moves back and forth along the vertical guide, and the lathe tool mounting base is installed on the vertical slide unit.
8. high-precision turning machine according to claim 7, it is characterised in that: the vertical air-floated movable mechanism further includes
Vertical counterweight cylinder, the vertical counterweight cylinder are installed in the vertical supports, the output end of the vertical counterweight cylinder with
The vertical slide unit connects and the vertical slide unit is driven to move back and forth along the vertical guide.
9. high-precision turning machine according to claim 7, it is characterised in that: the vertical air-floated movable mechanism further includes
Precision measurement and detection device, the precision measurement and detection device include detection support, detection cylinder and detection probe, the detection support
It is installed in the vertical supports, the detection cylinder is installed in the detection support, and the output end of the detection cylinder is perpendicular
It directly extends downward into the turning area, the detection probe is installed on the output end of the detection cylinder.
10. described in any item high-precision turning machines according to claim 1~5, it is characterised in that: the workpiece installs turntable
Including turntable support, source of rotational drive, rotation main shaft and workpiece fixing piece, the turntable support is installed on longitudinal air bearing and moves
On motivation structure, the source of rotational drive and the rotation main shaft are mounted on the turntable support, the source of rotational drive
Output end connect with the rotation main shaft and drives the rotation main axis, and the workpiece fixing piece is installed on the rotation master
The tip of the axis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323153.2A CN110064763A (en) | 2019-04-22 | 2019-04-22 | High-precision turning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323153.2A CN110064763A (en) | 2019-04-22 | 2019-04-22 | High-precision turning machine |
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| CN110064763A true CN110064763A (en) | 2019-07-30 |
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ID=67368343
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| CN201910323153.2A Pending CN110064763A (en) | 2019-04-22 | 2019-04-22 | High-precision turning machine |
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Cited By (1)
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| CN114434201A (en) * | 2022-01-14 | 2022-05-06 | 南通固邦数控机床有限公司 | Double-gantry high-rigidity ram machining device |
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Application publication date: 20190730 |