CN102632422A - Small high-speed five-axis linkage machine tool - Google Patents
Small high-speed five-axis linkage machine tool Download PDFInfo
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- CN102632422A CN102632422A CN2012100881397A CN201210088139A CN102632422A CN 102632422 A CN102632422 A CN 102632422A CN 2012100881397 A CN2012100881397 A CN 2012100881397A CN 201210088139 A CN201210088139 A CN 201210088139A CN 102632422 A CN102632422 A CN 102632422A
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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 advanced in the Digit Control Machine Tool, can pass through the complex-curved processing of efficient, the high-precision completion of clamping, such as large-scale generator rotor, propeller for vessels, large-sized diesel machine crankshaft etc.Turbine rotor processing such as molecular pump; Blade processing on the turbine rotor requires machining accuracy than higher; And because the gap between the blade is little, can only use the smaller cutter of diameter, guarantee the linear velocity of cutting; Will adopt the main shaft processing of rotation at a high speed, and adopt high-speed small-size five-axis linkage machine tools processing integral turbine rotor then to address the above problem well.
The layout of miniature high-speed five-shaft numerical control machining center and multiple in order to adapt to the body construction form that the processing needs are adopted.Position according to rotating can be divided into: the main shaft milling head rotates the two rotational structures of the milling head that adds swing; Spindle swing, the oscillating type structure that workbench rotates; The double-turntable type structure that workbench had not only rotated but also swung.The double-turntable type structure since add the man-hour workpiece need be in the motion of two direction of rotation, so be more suitable in the processing miniature parts, and simple in structure, price is comparatively cheap.Structure except turning cylinder; Can be divided into five-axis linkage planer type milling machine (comprise and decide beam fixed column structure, gantry moving structure, moving girder construction, bridge architecture etc.) according to the stacked system of X, Y, three 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 or the like.
In the said structure, the bridge-type gantry structure has more advantage, such as, have bigger stroke with respect to other structures; But the distortion of the crossbeam of gantry structure is bigger, and main spindle box applies tilting moment to crossbeam, causes machining accuracy poor; The settling mode that prior art is comparatively general then is the increase supporting guide, makes that middle supporting guide servo-actuated extension took up room when crossbeam moved backward, takies than large space when lathe is used; Simultaneously, in order to increase the resistance to overturning of lathe, crossbeam and pillar construction are comparatively heavy, and lateral dimension is also bigger, thereby influences the molar behavior scope of lathe, reduces actuating length relatively.
Therefore, need improve, when having the whole advantage of five-axis linkage machine tools in the prior art existing five-axis linkage machine tools; Volume is little in light weight; And can guarantee the stability of lathe itself and stroke can be increased relatively, improve the machining accuracy and the range of work, can obtain higher dynamic characteristic, feed speed and cutting speed; Shorten the cut time greatly and obtain better machined surface quality, improve working (machining) efficiency.
Summary of the invention
In view of this, the object of the invention provides a kind of miniature high-speed five-axis linkage machine tools, when having the whole advantage of five-axis linkage machine tools in the prior art; Volume is little in light weight; And can guarantee the stability of lathe itself and stroke can be increased relatively, improve the machining accuracy and the range of work, can obtain higher dynamic characteristic, feed speed and cutting speed; Shorten the cut time greatly 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;
Said foundation structure comprises lathe base and is fixed in two columns of pedestal along the X axle side by side;
The main spindle box assembly comprises that y-axis shift moves assembly, X axle moving assembly and Z axle moving assembly;
The moving assembly of said y-axis shift comprise across between two columns and the shaped as frame crossbeam that can move back and forth along the Y direction single-degree-of-freedom be used to drive the Y axial brake device that the shaped as frame crossbeam moves, the plane at said shaped as frame crossbeam place is the coordinate plane of X axle and the formation of Y axle;
Said X axle moving assembly comprise across between two cross bars of shaped as frame crossbeam and the X axis carriage that can move back and forth along the X-direction single-degree-of-freedom be used to drive the X axial brake device that the X axis carriage moves; Said Z axle moving assembly comprises the main spindle box that between two cross bars of shaped as frame crossbeam, is installed on the X axis carriage and can moves back and forth along the Z-direction single-degree-of-freedom and is used for the Z axial brake device that the driving main shaft case moves;
The cradle-type workbench is supported in lathe base between two columns.
Further, said column is the slab structure that vertically is provided with along Y direction, and the column upper surface is provided with the Y axle slide rail along Y direction, the Y axle slide rail that shaped as frame crossbeam single-degree-of-freedom reciprocatingly slides and is matched with two columns; Be respectively equipped with X axle slide rail on two cross bars of shaped as frame crossbeam, the reciprocatingly slide X axle slide rail of two cross bars that are matched with the shaped as frame crossbeam of X axis carriage single-degree-of-freedom along X-direction; Said main spindle box is provided with the Z axle slide rail along Z-direction, and said main spindle box reciprocatingly slides through Z axle slide rail single-degree-of-freedom and is matched with the X axis carriage;
Further; Said Y axial brake device comprise corresponding two Y axle lead screw pair that are provided with two Y axle slide rails and with two two Y axles driving servomotors that Y axle lead screw pair is corresponding; Two Y axle lead screw pair include the Y axial filament thick stick along Y direction; Two Y axles drive the servomotor correspondence and are fixed in two columns and two corresponding transmissions cooperations of Y axial filament thick stick, and said shaped as frame crossbeam is provided with two Y spindle nuts with two Y axial filament thick stick corresponding matching; The X axial brake device comprise corresponding two X axle lead screw pair that are provided with two X axle slide rails and with two two X axles driving servomotors that X axle lead screw pair is corresponding; Two X axle lead screw pair include the X axial filament thick stick along X-direction; Two X axles drive servomotors and are fixed in shaped as frame crossbeam and two corresponding transmissions cooperations of X axial filament thick stick, correspondingly with two X axial filament thick sticks on the said X axis carriage are fixed with two X spindle nuts; Said Z axial brake device comprises that Z axle lead screw pair and Z axle drive servomotor; Z axle lead screw pair comprises the Z axial filament thick stick along Z-direction; Be fixed with the Z spindle nut that cooperates with Z axial filament thick stick on the said X axis carriage; Said Z axial filament thick stick to be can being arranged at main spindle box around the mode single-degree-of-freedom that self axis rotates, said Z axle drive servomotor be fixed in main spindle box and with and cooperate with the transmission of Z axial filament thick stick;
Further; Said X axis carriage is provided with the Z axle groove that is used for through main spindle box; At least one sidewall of X-direction of Z axle groove upwards extends below and is provided with the Z axle chute that cooperates with Z axle slide rail, and corresponding respectively reciprocatingly sliding along the X-direction single-degree-of-freedom with two X axle slide rails cooperates along the two side of Y direction;
Further, said cradle-type workbench can be around the axis swing parallel with the X axle;
Further, be fixed with buttress brace along Y direction away from the end of cradle-type workbench between two columns, the end bottom corresponding with the cradle-type workbench is formed for avoiding the dead slot of basket workbench;
Further, the power output shaft that said Z axle drives servomotor cooperates with through-drive with Z axial filament thick stick one end, and the cecum single-degree-of-freedom of the Z axial filament thick stick other end and main spindle box is rotatably assorted;
Further, the Z axle groove of said X axis carriage all upwards extends below along the relative two side of X-direction and forms H shape structure, and this two side is equipped with the Z axle chute that cooperates with Z axle slide rail; Perhaps, the Z axle groove of said X axis carriage upwards extends below formation T shape structure along a wherein sidewall of X-direction.
Beneficial effect of the present invention: the present invention is the miniature high-speed five-axis linkage machine tools; Adopt the layout of similar gantry structure; Crossbeam adopts the shaped as frame structure; Increase the ability that crossbeam bears torsional moment, when having the whole advantage of five-axis linkage machine tools in the prior art, bear onesize processing reaction force volume weight is alleviated greatly; Main spindle box is eliminated tilting moment between two cross bars of shaped as frame crossbeam, and can guarantee the stability of lathe itself; And under the prerequisite of equal working ability, reduce the size of each parts greatly, thereby stroke can be increased relatively; Said structure effectively improves the machining accuracy and the range of work, can obtain higher dynamic characteristic, feed speed and cutting speed, shortens the cut time greatly and obtains better machined surface quality, improves working (machining) efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an X axle Drive Structure sketch map;
Fig. 3 is a Z axle Drive Structure sketch map.
The specific embodiment
Fig. 1 is a structural representation of the present invention; Fig. 2 is an X axle Drive Structure sketch map; Fig. 3 is Z axle Drive Structure sketch map, and is as shown in the figure: the miniature high-speed five-axis linkage machine tools of present embodiment comprises foundation structure and the main spindle box assembly and the cradle-type workbench 2 that are supported in foundation structure;
Said foundation structure comprises lathe base 3 and is fixed in two columns 1 of pedestal 3 along the X axle side by side; Can be integrative-structure, also can be that later welded or connection form;
The main spindle box assembly comprises that y-axis shift moves assembly, X axle moving assembly and Z axle moving assembly;
The moving assembly of said y-axis shift comprise across between two columns 1 and the shaped as frame crossbeam 10 that can move back and forth along the Y direction single-degree-of-freedom be used to drive the Y axial brake device that shaped as frame crossbeam 10 moves, the plane at said shaped as frame crossbeam 10 places is the coordinate plane of X axle and the formation of Y axle;
Said X axle moving assembly comprise across between the two cross bar 10a of shaped as frame crossbeam 10 and the X axis carriage 5 that can move back and forth along the X-direction single-degree-of-freedom be used to drive the X axial brake device that X axis carriage 5 moves; Said Z axle moving assembly comprises the main spindle box 7 that between two cross bar 10a of shaped as frame crossbeam 10, is installed on the X axis carriage 5 and can moves back and forth along the Z-direction single-degree-of-freedom and is used for the Z axial brake device that driving main shaft case 7 moves; Main spindle box 7 promptly is to be used to install the parts that main shaft and supports main shaft are processed;
Cradle-type workbench 2 is supported in lathe base 3 between two columns 1, cradle-type workbench 2 is a prior art constructions, and the workbench that promptly generally adopts has can swing and rotate two frees degree, and the outsourcing finished product is installed and got final product;
As shown in the figure, the X axle is laterally, and the Y axle is that vertically the two forms plane coordinate system, and the direction that the Z axle is perpendicular to this plane coordinate system forms three-dimensional system of coordinate jointly.
In the present embodiment, said column 1 is the slab structure that vertically is provided with along Y direction, and promptly two columns 1 are parallel plate shape arranged side by side; Column 1 upper surface is provided with the Y axle slide rail 11 along Y direction, adopts detachable syndeton between Y axle slide rail 11 and the column 1; The Y axle slide rail 11 that shaped as frame crossbeam 10 single-degree-of-freedoms reciprocatingly slide and are matched with two columns 1, single-degree-of-freedom cooperate employing linear slide rail structure; Be respectively equipped with X axle slide rail 9 on the two cross bar 10a of shaped as frame crossbeam 10 along X-direction; The linear slide rail structure is still adopted in cooperating between the reciprocatingly slide X axle slide rail 9 of the two cross bar 10a that are matched with shaped as frame crossbeam 10 of X axis carriage 5 single-degree-of-freedoms, the X axle slide rail 9 of this structure and X axis carriage 5; Said main spindle box 7 is provided with the Z axle slide rail 22 along Z-direction, and said main spindle box 7 reciprocatingly slides through Z axle slide rail 22 single-degree-of-freedoms and is matched with X axis carriage 5; In the present embodiment, two Drive Structure are all adopted in the driving of Y direction and the driving of X-direction, with the symmetry of double sided slider bar realization combining Drive Structure; Stablize thereby make to drive; Can improve machine tool accuracy greatly, avoid movement parts deflection torque to occur simultaneously, thereby eliminate eccentric wear slide rail; When guaranteeing precision, improve slide rail service life.
In the present embodiment; Said Y axial brake device comprise corresponding two Y axle lead screw pair that are provided with two Y axle slide rails 11 and with two two Y axles driving servomotors 6 that Y axle lead screw pair is corresponding; Two Y axle lead screw pair include the Y axial filament thick stick 12 along Y direction; Two Y axles drive servomotor 6 correspondences and are fixed in two columns 1 and the 12 corresponding transmissions cooperations of two Y axial filament thick sticks, and said shaped as frame crossbeam 10 is provided with two Y spindle nuts 13 with two Y axial filament thick stick 12 corresponding matching; The X axial brake device comprise corresponding two X axle lead screw pair that are provided with two X axle slide rails 9 and with two two X axles driving servomotors 16 that X axle lead screw pair is corresponding; Two X axle lead screw pair include the X axial filament thick stick 15 along X-direction; Two X axles drive servomotor 16 and are fixed in shaped as frame crossbeam 10 and the 15 corresponding transmissions cooperations of two X axial filament thick sticks; Correspondingly on the said X axis carriage 5 be fixed with two X spindle nuts 18 with two X axial filament thick sticks 15; As shown in the figure, two X axles drive the servomotor 16 corresponding driving-belt transmissions 17 that pass through and cooperate with 15 transmissions of two X axial filament thick sticks; Said Z axial brake device comprises that Z axle lead screw pair and Z axle drive servomotor 19; Z axle lead screw pair comprises the Z axial filament thick stick 20 along Z-direction; Be fixed with the Z spindle nut 21 that cooperates with Z axial filament thick stick 20 on the said X axis carriage 5; Said Z axial filament thick stick 20 is being arranged at main spindle box 7 around the mode single-degree-of-freedom that self axis rotates, and said Z axle driving servomotor 19 is fixed in main spindle box 7 and cooperates with 20 transmissions of Z axial filament thick stick; The Z axle drives servomotor 19 and is fixed in main spindle box 7 and the structure through self driving main shaft case 7, can reduce to be processed to form required space greatly, further reduces the shared space of the present invention, and can reach required stroke; Drive connection between above-mentioned each servomotor and the leading screw can be selected as required, can select band transmission, gear drive for use or pass through shaft coupling to connect, and all can realize goal of the invention.
In the present embodiment; Said X axis carriage 5 is provided with the Z axle groove 23 that is used for through main spindle box 7; At least one sidewall of X-direction of Z axle groove 23 upwards extends below and is provided with the Z axle chute that cooperates with Z axle slide rail 22, and corresponding respectively and two X axle slide rails 9 reciprocatingly slide along the X-direction single-degree-of-freedom and cooperate along the two side of Y direction; The structure that X axis carriage 5 forms Z axle grooves 23 makes that the support of main spindle box 7 is comparatively stable, preferably main spindle box 7 is led and supports, thereby improve machining accuracy, and increase the stability of X axis carriage 5 itself.
In the present embodiment, said cradle-type workbench 2 can be around the axis swing parallel with the X axle; Be beneficial to the installation and the processing of arranging and being convenient to workpiece.
In the present embodiment, be fixed with buttress brace 4 along Y direction away from the end of cradle-type workbench 2 between two columns 1, improve stability and do not disturb the processing stroke; Be formed for avoiding the dead slot of basket workbench with cradle-type workbench 2 corresponding bottoms, end; Avoid forming between the parts layout and disturb, thereby guarantee integrally-built compactedness.
In the present embodiment; The power output shaft that said Z axle drives servomotor 19 cooperates with through-drive with Z axial filament thick stick 20 1 ends; The cecum single-degree-of-freedom of Z axial filament thick stick 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 purpose, promptly can realize goal of the invention.
In the present embodiment, the Z axle groove 23 of said X axis carriage 5 all upwards extends below formation H shape structure along the relative two side of X-direction, and this two side is equipped with the Z axle chute that cooperates with Z axle slide rail 22; All form Z axle chute in the two side, symmetrical configuration, driving force are easy to reach balance, and be more effective to the constraint of main spindle box; Perhaps, the Z axle groove 23 of said X axis carriage 5 upwards extends below along the wherein sidewall 8 of X-direction and forms T shape structure, and present embodiment is a T shape structure, is convenient to processing, and is beneficial to and reduces complete machine weight.
More than in the record, symmetrically arranged parts and act on the identical Reference numeral of identical employing and indicate do not influence and help understanding of the present invention.
Among the present invention, the matching relationship between slide rail and the slide block can exchange, and being not limited to movement parts is slide block, and fixture is a slide rail; Those skilled in the art all should know that according to this record the matching relationship of slide rail and slide block can exchange and reach identical purpose; With the leading screw nut engaged with all adopting the existing fixed connected mode between its parts that are connected, comprise welding, detachable connection or the like.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
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;
Said foundation structure comprises lathe base and is fixed in two columns of pedestal along the X axle side by side;
The main spindle box assembly comprises that y-axis shift moves assembly, X axle moving assembly and Z axle moving assembly; The moving assembly of said y-axis shift comprises the shaped as frame crossbeam that is across between two columns and can moves back and forth along the Y direction single-degree-of-freedom and is used to drive the Y axial brake device that the shaped as frame crossbeam moves that the plane at said shaped as frame crossbeam place is the coordinate plane of X axle and the formation of Y axle;
Said X axle moving assembly comprise across between two cross bars of shaped as frame crossbeam and the X axis carriage that can move back and forth along the X-direction single-degree-of-freedom be used to drive the X axial brake device that the X axis carriage moves; Said Z axle moving assembly comprises the main spindle box that between two cross bars of shaped as frame crossbeam, is installed on the X axis carriage and can moves back and forth along the Z-direction single-degree-of-freedom and is used for the Z axial brake device that the driving main shaft case moves;
The cradle-type workbench is supported in lathe base between two columns.
2. miniature high-speed five-axis linkage machine tools according to claim 1; It is characterized in that: the slab structure of said column for vertically being provided with along Y direction; The column upper surface is provided with the Y axle slide rail along Y direction, the Y axle slide rail that shaped as frame crossbeam single-degree-of-freedom reciprocatingly slides and is matched with two columns; Be respectively equipped with X axle slide rail on two cross bars of shaped as frame crossbeam, the reciprocatingly slide X axle slide rail of two cross bars that are matched with the shaped as frame crossbeam of X axis carriage single-degree-of-freedom along X-direction; Said main spindle box is provided with the Z axle slide rail along Z-direction, and main spindle box reciprocatingly slides through Z axle slide rail single-degree-of-freedom and is matched with the X axis carriage.
3. miniature high-speed five-axis linkage machine tools according to claim 2; It is characterized in that: said Y axial brake device comprise corresponding two Y axle lead screw pair that are provided with two Y axle slide rails and with two two Y axles driving servomotors that Y axle lead screw pair is corresponding; Two Y axle lead screw pair include the Y axial filament thick stick along Y direction; Two Y axles drive the servomotor correspondence and are fixed in two columns and two corresponding transmissions cooperations of Y axial filament thick stick, and said shaped as frame crossbeam is provided with two Y spindle nuts with two Y axial filament thick stick corresponding matching; The X axial brake device comprise corresponding two X axle lead screw pair that are provided with two X axle slide rails and with two two X axles driving servomotors that X axle lead screw pair is corresponding; Two X axle lead screw pair include the X axial filament thick stick along X-direction; Two X axles drive servomotors and are fixed in shaped as frame crossbeam and two corresponding transmissions cooperations of X axial filament thick stick, correspondingly with two X axial filament thick sticks on the said X axis carriage are fixed with two X spindle nuts; Said Z axial brake device comprises that Z axle lead screw pair and Z axle drive servomotor; Z axle lead screw pair comprises the Z axial filament thick stick along Z-direction; Be fixed with the Z spindle nut that cooperates with Z axial filament thick stick on the said X axis carriage; Said Z axial filament thick stick to be can being arranged at main spindle box around the mode single-degree-of-freedom that self axis rotates, said Z axle drive servomotor be fixed in main spindle box and with and cooperate with the transmission of Z axial filament thick stick.
4. miniature high-speed five-axis linkage machine tools according to claim 3; It is characterized in that: said X axis carriage is provided with the Z axle groove that is used for through main spindle box; At least one sidewall of X-direction of Z axle groove upwards extends below and is provided with the Z axle chute that cooperates with Z axle slide rail, and corresponding respectively reciprocatingly sliding along the X-direction single-degree-of-freedom with two X axle slide rails cooperates along the two side of Y direction.
5. miniature high-speed five-axis linkage machine tools according to claim 4 is characterized in that: said cradle-type workbench can be around the axis swing parallel with the X axle.
6. miniature high-speed five-axis linkage machine tools according to claim 5; It is characterized in that: be fixed with buttress brace along Y direction away from the end of cradle-type workbench between two columns, the end bottom corresponding with the cradle-type workbench is formed for avoiding the dead slot of basket workbench.
7. miniature high-speed five-axis linkage machine tools according to claim 6 is characterized in that: the power output shaft that said Z axle drives servomotor cooperates with through-drive with Z axial filament thick stick one end, and the cecum single-degree-of-freedom of the Z axial filament thick stick other end and main spindle box is rotatably assorted.
8. miniature high-speed five-axis linkage machine tools according to claim 7 is characterized in that: the Z axle groove of said X axis carriage all upwards extends below along the relative two side of X-direction and forms H shape structure, and this two side is equipped with the Z axle chute that cooperates with Z axle slide rail; Perhaps, the Z axle groove of said X axis carriage upwards extends below formation T shape structure along a wherein sidewall of X-direction.
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