CN102632422B - Small high-speed five-axis linkage machine tool - Google Patents
Small high-speed five-axis linkage machine tool Download PDFInfo
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- CN102632422B CN102632422B CN201210088139.7A CN201210088139A CN102632422B CN 102632422 B CN102632422 B CN 102632422B CN 201210088139 A CN201210088139 A CN 201210088139A CN 102632422 B CN102632422 B CN 102632422B
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/012—Portals
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
- B23Q1/5406—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair
- B23Q1/5437—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair and in which the degree of freedom, which belongs to the working surface, is perpendicular to this surface
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- 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
- B23Q2220/00—Machine tool components
- B23Q2220/004—Rotary tables
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Abstract
The invention discloses a small high-speed five-axis linkage machine tool, which comprises a foundation structure, a spindle box component and a cradle type worktable. The spindle box component is supported on the foundation structure, and a crossbeam with a frame-shaped structure is arranged on two upright columns to form a bridge-type portal structure. The torque bearing capacity of the crossbeam is improved, the small high-speed five-axis linkage machine tool has all advantages of a five-axis linkage machine tool in the prior art, and carries identical machining reacting force, the volume of a structural part is reduced, and the weight of the structural part is greatly lightened; a spindle box is positioned between two transverse rods of the frame-shaped crossbeam, overturning moment is eliminated, and the stability of the machine tool can be guaranteed; in addition, sizes of various components are greatly reduced on the premise of identical machining capacity, and the stroke of the machine tool can be large in the design; and by the aid of the structure, the machining precision is greatly improved, the machining range is greatly expanded, better dynamic characteristics and higher feeding speed and higher cutting speed can be realized, cutting and machining time is greatly shortened, better surface machining quality is obtained, and machining efficiency is enhanced.
Description
Technical field
The present invention relates to a kind of lathe, particularly a kind of high speed five-axis linkage machine tools.
Background technology
Five-axis linkage machine tools belongs to equipment more advanced in Digit Control Machine Tool, can efficiently by clamped one time, high-precision complete complex-curved processing, such as large-scale generator rotor, propeller for vessels, large-sized diesel machine crankshaft etc.Such as the turbine rotor processing of molecular pump, blade processing on turbine rotor requires machining accuracy higher, and because the gap between blade is little, can only use the smaller cutter of diameter, guarantee the linear velocity of cutting, will adopt the spindle processing of High Rotation Speed, and adopt high-speed small-size five-axis linkage machine tools processing integral turbine rotor to address the above problem well.
The layout of miniature high-speed five-axis NC machine center and multiple in order to adapt to the body construction form that adopts of processing needs.Can be divided into according to the position rotating: main shaft milling head rotates the two rotational structures of milling head that add swing; Spindle swing, the oscillating type structure that workbench rotates; The double-turntable type structure that workbench had not only rotated but also swung.Double-turntable type structure need to be in the motion of two direction of rotation owing to adding man-hour workpiece, thus be more suitable in processing miniature parts, and simple in structure, price is comparatively cheap.Except the structure of turning cylinder, can be divided into five-axis linkage planer type milling machine (comprise and determine beam fixed column structure, gantry-travelling structure, moving girder construction, bridge architecture etc.) according to the stacked system of X, Y, tri-shifting axles of Z is different, five-axle linkage lathe bed miller (comprising vertical, horizontal, ram type, post movable etc.), five-axle linkage knee-and-column milling machine etc.
In said structure, bridge-type gantry structure has advantages of more, such as, there is larger stroke with respect to other structures; But the distortion of the crossbeam of gantry structure is larger, and main spindle box applies tilting moment to crossbeam, causes machining accuracy poor; The settling mode that prior art is comparatively general is increase supporting guide, and the servo-actuated extension of supporting guide middle when crossbeam is moved backward takes up room, and takies larger space when lathe is used; Meanwhile, in order to increase the resistance to overturning of lathe, crossbeam and pillar construction are comparatively heavy, and lateral dimension is also larger, thereby affects the molar behavior scope of lathe, relatively reduces actuating length.
Therefore, need to improve existing five-axis linkage machine tools, when thering is all advantages of five-axis linkage machine tools in prior art, volume is little lightweight, and can guarantee the stability of lathe itself and can make stroke relatively increase, improve machining accuracy and the range of work, can obtain higher dynamic characteristic, feed speed and cutting speed, greatly shorten the machining time and obtain better machined surface quality, improve working (machining) efficiency.
Summary of the invention
In view of this, object of the present invention provides a kind of miniature high-speed five-axis linkage machine tools, when thering is all advantages of five-axis linkage machine tools in prior art, volume is little lightweight, and can guarantee the stability of lathe itself and can make stroke relatively increase, improve machining accuracy and the range of work, can obtain higher dynamic characteristic, feed speed and cutting speed, greatly shorten the machining time and obtain better machined surface quality, improve working (machining) efficiency.
Miniature high-speed five-axis linkage machine tools of the present invention, comprises foundation structure and the main spindle box assembly and the cradle-type workbench that are supported in foundation structure;
Described foundation structure comprises lathe base and is fixed on side by side two columns of pedestal along X-axis;
Main spindle box assembly comprises Y-axis moving assembly, X-axis moving assembly and Z axis moving assembly;
Described Y-axis moving assembly comprises that the plane at described shaped as frame crossbeam place is the coordinate plane that X-axis and Y-axis form across between two columns and the shaped as frame crossbeam that can move back and forth along Y direction single-degree-of-freedom and for driving the Y-axis drive unit of shaped as frame cross beam movement;
Described X-axis moving assembly comprises across the X-axis planker that also can move back and forth along X-direction single-degree-of-freedom between two cross bars of shaped as frame crossbeam and the X-axis drive unit for driving X-axis planker to move; Described Z axis moving assembly comprises the main spindle box that is arranged on X-axis planker between two cross bars of shaped as frame crossbeam and can move back and forth along Z-direction single-degree-of-freedom and the Z axis drive unit moving for drive shaft case;
Cradle-type workbench is supported in lathe base between two columns.
Further, described column is the slab structure vertically arranging along Y direction, and column upper surface is provided with the Y-axis slide rail along Y direction, and shaped as frame crossbeam single-degree-of-freedom reciprocatingly slides and is matched with the Y-axis slide rail of two columns; On two cross bars of shaped as frame crossbeam, be respectively equipped with the X-axis slide rail along X-direction, the reciprocatingly slide X-axis slide rail of two cross bars that are matched with shaped as frame crossbeam of X-axis planker single-degree-of-freedom; Described main spindle box is provided with the Z axis slide rail along Z-direction, and described main spindle box is reciprocatingly slided and is matched with X-axis planker by Z axis slide rail single-degree-of-freedom;
Further, described Y-axis drive unit comprises two Y-axis lead screw pair arranging corresponding to two Y-axis slide rails and drives servomotors with two Y-axis corresponding to two Y-axis lead screw pair, two Y-axis lead screw pair include the Y-axis leading screw along Y direction, two Y-axis drive servomotor correspondence to be fixed on two columns and two corresponding transmissions cooperations of Y-axis leading screw, and described shaped as frame crossbeam is provided with two Y-axis nuts with two Y-axis leading screw corresponding matching; X-axis drive unit comprises two X-axis lead screw pair arranging corresponding to two X-axis slide rails and drives servomotors with two X-axis corresponding to two X-axis lead screw pair, two X-axis lead screw pair include the X-axis leading screw along X-direction, two X-axis drive servomotors to be fixed on shaped as frame crossbeam and two corresponding transmissions cooperations of X-axis leading screw, correspondingly with two X-axis leading screws on described X-axis planker are fixed with two X-axis nuts; Described Z axis drive unit comprises that Z axis lead screw pair and Z axis drive servomotor, Z axis lead screw pair comprises the Z axis leading screw along Z-direction, on described X-axis planker, be fixed with the Z axis nut coordinating with Z axis leading screw, described Z axis leading screw is arranged at main spindle box with the mode single-degree-of-freedom that can rotate around self axis, described Z axis drive servomotor be fixed on main spindle box and with and coordinate with Z axis lead screw transmission;
Further, described X-axis planker is provided with for passing through the Z axis groove of main spindle box, at least one sidewall of X-direction of Z axis groove extends up and down and is provided with the Z axis chute coordinating with Z axis slide rail, correspondingly respectively along the two side of Y direction reciprocatingly slides and coordinates along X-direction single-degree-of-freedom with two X-axis slide rails;
Further, described cradle-type workbench can be around the axis oscillating parallel with X-axis;
Further, between two columns, be fixed with buttress brace along Y direction away from the end of cradle-type workbench, the end bottom corresponding with cradle-type workbench is formed for avoiding the dead slot of basket workbench;
Further, described Z axis drives the power output shaft of servomotor to coordinate with Z axis leading screw one end coaxial transmission, and the cecum single-degree-of-freedom of the Z axis leading screw other end and main spindle box is rotatably assorted;
Further, the Z axis groove of described X-axis planker all extends to form H shape structure up and down along the relative two side of X-direction, and this two side is equipped with the Z axis chute coordinating with Z axis slide rail; Or the Z axis groove of described X-axis planker extends to form T shape structure up and down along a wherein sidewall of X-direction.
Beneficial effect of the present invention: the present invention is miniature high-speed five-axis linkage machine tools, adopt the layout of similar gantry structure, crossbeam adopts frame-shaped construction, increase the ability that crossbeam bears torsional moment, when thering is all advantages of five-axis linkage machine tools in prior art, bear onesize processing reaction force and can make volume weight greatly alleviate; Main spindle box, between two cross bars of shaped as frame crossbeam, is eliminated tilting moment, and can guarantee the stability of lathe itself; And under the prerequisite of equal working ability, greatly reduce the size of all parts, thereby can make stroke relatively increase; Said structure effectively improves machining accuracy and the range of work, can obtain higher dynamic characteristic, feed speed and cutting speed, greatly shortens the machining time and obtains better machined surface quality, improves working (machining) efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is X-axis drives structure schematic diagram;
Fig. 3 is Z axis drives structure schematic diagram.
The specific embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is X-axis drives structure schematic diagram, Fig. 3 is Z axis drives structure schematic diagram, as shown in the figure: the miniature high-speed five-axis linkage machine tools of the present embodiment, comprises foundation structure and the main spindle box assembly and the cradle-type workbench 2 that are supported in foundation structure;
Described foundation structure comprises lathe base 3 and is fixed on side by side two columns 1 of pedestal 3 along X-axis; Can be integrative-structure, can be also that follow-up welding or connection form;
Main spindle box assembly comprises Y-axis moving assembly, X-axis moving assembly and Z axis moving assembly;
Described Y-axis moving assembly comprises that the plane at described shaped as frame crossbeam 10 places is the coordinate plane that X-axis and Y-axis form across between two columns 1 and the shaped as frame crossbeam 10 that can move back and forth along Y direction single-degree-of-freedom and the Y-axis drive unit for driving shaped as frame crossbeam 10 to move;
Described X-axis moving assembly comprises across the X-axis planker 5 that also can move back and forth along X-direction single-degree-of-freedom between two cross bar 10a of shaped as frame crossbeam 10 and the X-axis drive unit for driving X-axis planker 5 to move; Described Z axis moving assembly comprises the main spindle box 7 that is arranged on X-axis planker 5 between two cross bar 10a of shaped as frame crossbeam 10 and can move back and forth along Z-direction single-degree-of-freedom and the Z axis drive unit moving for drive shaft case 7; Main spindle box 7 is the parts of processing for main shaft supports main shaft are installed;
Cradle-type workbench 2 is supported in lathe base 3 between two columns 1, the structure that cradle-type workbench 2 is prior art, and the workbench generally adopting has swingable and rotates two frees degree, and outsourcing finished product is installed;
As shown in the figure, X-axis is laterally, and Y-axis is that longitudinally the two forms plane coordinate system, and Z axis is perpendicular to the direction of this plane coordinate system and jointly forms three-dimensional system of coordinate.
In the present embodiment, described column 1 is the slab structure vertically arranging along Y direction, and two columns 1 are parallel plate shape arranged side by side; Column 1 upper surface is provided with the Y-axis slide rail 11 along Y direction, between Y-axis slide rail 11 and column 1, adopts detachable syndeton; Shaped as frame crossbeam 10 single-degree-of-freedoms reciprocatingly slide and are matched with the Y-axis slide rail 11 of two columns 1, and single-degree-of-freedom coordinates employing Linear sliding rail structure; On two cross bar 10a of shaped as frame crossbeam 10, be respectively equipped with the X-axis slide rail 9 along X-direction, the reciprocatingly slide X-axis slide rail 9 of the two cross bar 10a that are matched with shaped as frame crossbeam 10 of X-axis planker 5 single-degree-of-freedoms, coordinating between the X-axis slide rail 9 of this structure and X-axis planker 5 still adopts Linear sliding rail structure; Described main spindle box 7 is provided with the Z axis slide rail 22 along Z-direction, and described main spindle box 7 is reciprocatingly slided and is matched with X-axis planker 5 by Z axis slide rail 22 single-degree-of-freedoms; In the present embodiment, the driving of Y direction and the driving of X-direction all adopt Dual Drive structure, combine with double sided slider bar and realize the symmetry of drives structure, thereby make to drive stable, can greatly improve machine tool accuracy, avoid movement parts to occur deflection torque simultaneously, thereby eliminate the eccentric wear to slide rail, guarantee when precision, improve slide rail service life.
In the present embodiment, described Y-axis drive unit comprises two Y-axis lead screw pair arranging corresponding to two Y-axis slide rails 11 and drives servomotors 6 with two Y-axis corresponding to two Y-axis lead screw pair, two Y-axis lead screw pair include the Y-axis leading screw 12 along Y direction, two Y-axis drive servomotor 6 correspondences to be fixed on two columns 1 and two corresponding transmissions cooperations of Y-axis leading screw 12, and described shaped as frame crossbeam 10 is provided with two Y-axis nuts 13 with two Y-axis leading screw 12 corresponding matching; X-axis drive unit comprises two X-axis lead screw pair arranging corresponding to two X-axis slide rails 9 and drives servomotors 16 with two X-axis corresponding to two X-axis lead screw pair, two X-axis lead screw pair include the X-axis leading screw 15 along X-direction, two X-axis drive servomotor 16 to be fixed on shaped as frame crossbeam 10 and two corresponding transmissions cooperations of X-axis leading screw 15, correspondingly with two X-axis leading screws 15 on described X-axis planker 5 be fixed with two X-axis nuts 18, as shown in the figure, two X-axis drive the corresponding driving-belt transmission 17 that passes through of servomotor 16 to coordinate with two X-axis leading screw 15 transmissions; Described Z axis drive unit comprises that Z axis lead screw pair and Z axis drive servomotor 19, Z axis lead screw pair comprises the Z axis leading screw 20 along Z-direction, on described X-axis planker 5, be fixed with the Z axis nut 21 coordinating with Z axis leading screw 20, described Z axis leading screw 20 is arranged at main spindle box 7 with the mode single-degree-of-freedom that can rotate around self axis, and described Z axis drives servomotor 19 be fixed on main spindle box 7 and coordinate with 20 transmissions of Z axis leading screw; Z axis drives servomotor 19 to be fixed on main spindle box 7 and by the structure of self drive shaft case 7, can greatly reduce to be processed to form required space, further reduces the shared space of the present invention, and can reach required stroke; Drive connection between above-mentioned each servomotor and leading screw can be selected as required, can select band transmission, gear drive or connect by shaft coupling, all can realize goal of the invention.
In the present embodiment, described X-axis planker 5 is provided with for passing through the Z axis groove 23 of main spindle box 7, at least one sidewall of X-direction of Z axis groove 23 extends up and down and is provided with the Z axis chute coordinating with Z axis slide rail 22, correspondingly respectively along the two side of Y direction reciprocatingly slides and coordinates along X-direction single-degree-of-freedom with two X-axis slide rails 9; The structure that X-axis planker 5 forms Z axis groove 23 makes the support of main spindle box 7 comparatively stable, preferably main spindle box 7 is led and is supported, thereby improving machining accuracy, and increasing the stability of X-axis planker 5 own.
In the present embodiment, described cradle-type workbench 2 can be around the axis oscillating parallel with X-axis; Be beneficial to installation and the processing of arranging and being convenient to workpiece.
In the present embodiment, between two columns 1, be fixed with buttress brace 4 along Y direction away from the end of cradle-type workbench 2, improve stability and do not disturb processing stroke; The end bottom corresponding with cradle-type workbench 2 is formed for avoiding the dead slot of basket workbench; Avoid forming layout between parts and disturb, thereby guarantee integrally-built compactedness.
In the present embodiment, described Z axis drives the power output shaft of servomotor 19 to coordinate with Z axis leading screw 20 one end coaxial transmissions, the cecum single-degree-of-freedom of Z axis leading screw 20 other ends and main spindle box 7 is rotatably assorted, the mode that single-degree-of-freedom is rotatably assorted can adopt existing any frame for movement that can realize this object, can realize goal of the invention.
In the present embodiment, the Z axis groove 23 of described X-axis planker 5, the two side relative along X-direction all extends to form H shape structure up and down, and this two side is equipped with the Z axis chute coordinating with Z axis slide rail 22; All form Z axis chute in two side, symmetrical configuration, driving force is easy to reach balance, more effective to the constraint of main spindle box; Or the Z axis groove 23 of described X-axis planker 5 extends to form T shape structure up and down along a wherein sidewall 8 of X-direction, the present embodiment is T shape structure, is convenient to processing, and is beneficial to and reduces complete machine weight.
In more than recording, symmetrically arranged parts and act on the identical Reference numeral of identical employing and indicate, do not affect and contribute to the understanding of the present invention.
In the present invention, the matching relationship between slide rail and slide block can exchange, and being not limited to movement parts is slide block, and fixture is slide rail; Those skilled in the art all should know according to this record, and the matching relationship of slide rail and slide block can exchange and reach identical object; And between the parts that the nut that leading screw coordinates is connected with it, all can adopt the existing mode that is fixedly connected with, comprise welding, detachable connection etc.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. a miniature high-speed five-axis linkage machine tools, is characterized in that: comprise foundation structure and the main spindle box assembly and the cradle-type workbench that are supported in foundation structure;
Described foundation structure comprises lathe base and is fixed on side by side two columns of pedestal along X-axis;
Main spindle box assembly comprises Y-axis moving assembly, X-axis moving assembly and Z axis moving assembly; Described Y-axis moving assembly comprises the shaped as frame crossbeam that is across between two columns and can moves back and forth along Y direction single-degree-of-freedom and for driving the Y-axis drive unit of shaped as frame cross beam movement, the plane at described shaped as frame crossbeam place is the coordinate plane that X-axis and Y-axis form;
Described X-axis moving assembly comprises across the X-axis planker that also can move back and forth along X-direction single-degree-of-freedom between two cross bars of shaped as frame crossbeam and the X-axis drive unit for driving X-axis planker to move; Described Z axis moving assembly comprises the main spindle box that is arranged on X-axis planker between two cross bars of shaped as frame crossbeam and can move back and forth along Z-direction single-degree-of-freedom and the Z axis drive unit moving for drive shaft case;
Cradle-type workbench is supported in lathe base between two columns;
Described X-axis planker is provided with for passing through the Z axis groove of main spindle box, at least one sidewall of X-direction of Z axis groove extends up and down and is provided with the Z axis chute coordinating with Z axis slide rail, correspondingly respectively along the two side of Y direction reciprocatingly slides and coordinates along X-direction single-degree-of-freedom with two X-axis slide rails.
2. miniature high-speed five-axis linkage machine tools according to claim 1, it is characterized in that: described column is the slab structure vertically arranging along Y direction, column upper surface is provided with the Y-axis slide rail along Y direction, and shaped as frame crossbeam single-degree-of-freedom reciprocatingly slides and is matched with the Y-axis slide rail of two columns; On two cross bars of shaped as frame crossbeam, be respectively equipped with the X-axis slide rail along X-direction, the reciprocatingly slide X-axis slide rail of two cross bars that are matched with shaped as frame crossbeam of X-axis planker single-degree-of-freedom; Described main spindle box is provided with the Z axis slide rail along Z-direction, and main spindle box is reciprocatingly slided and is matched with X-axis planker by Z axis slide rail single-degree-of-freedom.
3. miniature high-speed five-axis linkage machine tools according to claim 2, it is characterized in that: described Y-axis drive unit comprises two Y-axis lead screw pair arranging corresponding to two Y-axis slide rails and drives servomotors with two Y-axis corresponding to two Y-axis lead screw pair, two Y-axis lead screw pair include the Y-axis leading screw along Y direction, two Y-axis drive servomotor correspondence to be fixed on two columns and two corresponding transmissions cooperations of Y-axis leading screw, and described shaped as frame crossbeam is provided with two Y-axis nuts with two Y-axis leading screw corresponding matching; X-axis drive unit comprises two X-axis lead screw pair arranging corresponding to two X-axis slide rails and drives servomotors with two X-axis corresponding to two X-axis lead screw pair, two X-axis lead screw pair include the X-axis leading screw along X-direction, two X-axis drive servomotors to be fixed on shaped as frame crossbeam and two corresponding transmissions cooperations of X-axis leading screw, correspondingly with two X-axis leading screws on described X-axis planker are fixed with two X-axis nuts; Described Z axis drive unit comprises that Z axis lead screw pair and Z axis drive servomotor, Z axis lead screw pair comprises the Z axis leading screw along Z-direction, on described X-axis planker, be fixed with the Z axis nut coordinating with Z axis leading screw, described Z axis leading screw is arranged at main spindle box with the mode single-degree-of-freedom that can rotate around self axis, described Z axis drive servomotor be fixed on main spindle box and with and coordinate with Z axis lead screw transmission.
4. miniature high-speed five-axis linkage machine tools according to claim 3, is characterized in that: described cradle-type workbench can be around the axis oscillating parallel with X-axis.
5. miniature high-speed five-axis linkage machine tools according to claim 4, it is characterized in that: between two columns, be fixed with buttress brace along Y direction away from the end of cradle-type workbench, the end bottom corresponding with cradle-type workbench is formed for avoiding the dead slot of basket workbench.
6. miniature high-speed five-axis linkage machine tools according to claim 5, is characterized in that: described Z axis drives the power output shaft of servomotor to coordinate with Z axis leading screw one end coaxial transmission, and the cecum single-degree-of-freedom of the Z axis leading screw other end and main spindle box is rotatably assorted.
7. miniature high-speed five-axis linkage machine tools according to claim 6, is characterized in that: the Z axis groove of described X-axis planker all extends to form H shape structure up and down along the relative two side of X-direction, and this two side is equipped with the Z axis chute coordinating with Z axis slide rail; Or the Z axis groove of described X-axis planker extends to form T shape structure up and down along a wherein sidewall of X-direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210088139.7A CN102632422B (en) | 2012-03-29 | 2012-03-29 | Small high-speed five-axis linkage machine tool |
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| CN201210088139.7A CN102632422B (en) | 2012-03-29 | 2012-03-29 | Small high-speed five-axis linkage machine tool |
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| CN102632422B true CN102632422B (en) | 2014-05-28 |
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