CN102145456B - Tabletop milling machine, gantry tabletop milling machine and combined motion platform - Google Patents

Tabletop milling machine, gantry tabletop milling machine and combined motion platform Download PDF

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Publication number
CN102145456B
CN102145456B CN 201110085414 CN201110085414A CN102145456B CN 102145456 B CN102145456 B CN 102145456B CN 201110085414 CN201110085414 CN 201110085414 CN 201110085414 A CN201110085414 A CN 201110085414A CN 102145456 B CN102145456 B CN 102145456B
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China
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platform
motion platform
axis
groove
axis motion
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CN 201110085414
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Chinese (zh)
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CN102145456A (en
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陆伟
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北京配天大富精密机械有限公司
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Abstract

The invention discloses a tabletop milling machine, a gantry tabletop milling machine and a combined motion platform. The tabletop milling machine comprises an X-axis motion platform, a Y-axis motion platform and a Z-axis motion platform, wherein both the X-axis motion platform and the Y-axis motion platform respectively comprise a sliding platform and a sliding base; the sliding base of the Y-axis motion platform is fixed above the sliding platform of the X-axis motion platform; each sliding base comprises air floatation guide rails formed at both sides of the sliding base and a first grooveformed at the middle part of the sliding base; both the X-axis motion platform and the Y-axis motion platform respectively comprise a linear motor; each linear motor comprises a stator and a rotor; each stator is fixed at the bottom of the corresponding first groove; and each rotor is fixed on the bottom surface of the corresponding sliding platform and is arranged relative to the corresponding stator. By the mode, the feeding motion in the X-axis, Y-axis and Z-axis directions can be realized and the utilization rate of the space is improved.

Description

Desktop milling machine, planer-type desktop milling machine and combined type movement platform
Technical field
The present invention relates to mechanical engineering field, particularly a kind of desktop milling machine, planer-type desktop milling machine and combined type movement platform.
Background technology
Milling machine refers to mainly use milling cutter at the lathe on the various surfaces of workpiece processing, and milling cutter rotatablely moves and is that main motion, the movement of workpiece and milling cutter are feed motion usually.It can milling plane, groove, gear and splined shaft, can also process the curved surface of more complicated, therefore is used widely in machine-building and repairing department.
Yet industrial milling machine complex structure commonly used, heaviness, cost height are not suitable for processing small-sized, miniature parts.In order to address these problems, small-sized desktop milling machine has appearred on the market, and the characteristics of have that volume is little, in light weight, stroke is short, low in energy consumption are suitable for processing small-sized parts.
Mainly by manually controlling, main building block is X, Y, Z triaxial movement platform, axis system and related accessories thereof to the conventional desktop milling machine.The structure of triaxial movement platform is identical, and handwheel shakes as the power source input, by the lead screw guide rails transmission, and the implementation platform feeding, its resolution ratio is determined that by dial every scale is 0.05mm, precision is low.
The feed motion of existing desktop milling machine is to realize by lead screw guide rails mechanism, and motor (or manually rotation) is power source, and motor rotates by shaft coupling and drives the leading screw rotation, and nut is arranged on the motion platform below and drives it along the line slideway linear reciprocating motion.The present application people is in long-term R﹠D process, find: the relative motion between feed screw nut and guide rail slide block is respectively by the ball scrolling realization on guide rail in leading screw rolling and slide block of ball in the nut, so just limited its dynamic response performance, reduce milling machine feeding acceleration and speed, thereby limited the raising of milling machine working (machining) efficiency.In addition, owing to reasons such as ball and contacting of guide rail, even adopt the line slideway of superelevation micron order, its depth of parallelism of walking also only can be accomplished 1.5um/300mm.In the long-time running process, also can cause the wearing and tearing of ball, cause the reduction of its running precision, and then influenced the machining accuracy of milling machine.Conventional desktop milling machine volume is also bigger simultaneously, and it is more to take up space, and mobile inconvenience.
For attempting to address the above problem, open day is on November 30th, 2005, application number is that 200510085263.8 Chinese invention patent discloses a kind of " the synchronously driven H type of band bilateral linear motor air-flotation workbench ", its major technique is: comprise an X-axis motion platform and two Y-axis motion platforms, namely adopt linear electric motors to drive the X-axis motion, two linear electric motors driven in synchronism Y-axis motions realize two coordinates accurately location and precise motion.But the present application people finds that also this motion platform can only move in X, Y direction, and space availability ratio is low.
Summary of the invention
The technical problem that the embodiment of the invention mainly solves is that motion platform can only be in the problem that X, Y direction are mobile, space availability ratio is low, a kind of desktop milling machine, planer-type desktop milling machine and combined type movement platform are provided, and feed motion, the space availability ratio that can be implemented in X-axis, Y-axis and three directions of Z axle improve.
For solving the problems of the technologies described above, the technical scheme that the embodiment of the invention adopts is:
A kind of desktop milling machine is provided, comprises X-axis motion platform, Y-axis motion platform and Z axle motion platform; Described X-axis and Y-axis motion platform include sliding platform and glide base, and the glide base of described Y-axis motion platform is fixed in the sliding platform top of X-axis motion platform; Described glide base comprises the air-float guide rail that is formed at both sides and is formed at first groove of mid portion; Described X-axis, Y-axis motion platform include linear electric motors, and described linear electric motors comprise stator and mover, and described stator is fixed on first bottom portion of groove, and described mover is fixed on the bottom surface of sliding platform, and are oppositely arranged with described stator.
As the further improvement to embodiment of the invention desktop milling machine, Workbench base, main shaft, spindle drum and first column; Described first column vertically is fixed on the Workbench base, is arranged at X-axis motion platform one side; Described X-axis motion platform is arranged on the Workbench base, and described Y-axis motion platform is fixed on the X-axis motion platform, and described Z axle motion platform is arranged on the first column side, and described main shaft is arranged on the Z axle motion platform by spindle drum.
As the further improvement to embodiment of the invention desktop milling machine, described motion platform also comprises: grating chi and grating ruler reading head; Described grating chi is fixed on the madial wall of arbitrary air-float guide rail; Described grating ruler reading head is arranged at the grating chi towards first groove, one side, and is fixed in the bottom surface of described sliding platform.
As the further improvement to embodiment of the invention desktop milling machine, described sliding platform bottom surface forms inverted second groove, described second groove covers the air-float guide rail of glide base both sides, and described second groove, two relative cell walls are respectively adjacent to the setting of air-float guide rail lateral wall.
As the further improvement to embodiment of the invention desktop milling machine, described air-float guide rail upper end extends outward first extension, and the groove of described second groove is along extending internally out second extension, and described second extension stretches into first extension below.
As the further improvement to embodiment of the invention desktop milling machine, described sliding platform upper surface is the plane, and is covered with a plurality of tapped through holes, and the bottom portion of groove of described glide base is the plane, and is covered with a plurality of installing holes.
As the further improvement to embodiment of the invention desktop milling machine, described sliding platform surface is provided with the keyway perpendicular to the air supporting track, described glide base bottom surface is provided with the groove that is parallel to the air supporting track, described desktop milling machine also comprises movable part, described movable part projection is arranged at the keyway of X-axis sliding platform, and the groove of embedding Y-axis glide base, connect described X-axis motion platform and Y-axis motion platform.
As the further improvement to embodiment of the invention desktop milling machine, described main shaft is electric main shaft or air spindle.
For addressing the above problem, another technical scheme of the embodiment of the invention is:
A kind of planer-type desktop milling machine is provided, comprises: Workbench base, feed arrangement, main shaft, spindle drum, second column, the 3rd column and crossbeam; Described feed arrangement comprises Y-axis motion platform and Z axle motion platform; Described second, third column vertically is fixed on the Workbench base, is arranged at described Y-axis motion platform both sides; Described crossbeam two ends connect second, third column top respectively, form planer type structure; Institute's Y-axis motion platform is arranged on the Workbench base, and described Y-axis motion platform is fixed on beam side wall, and described main shaft is arranged on the Z axle motion platform by spindle drum.
As the further improvement to embodiment of the invention planer-type desktop milling machine, described feed arrangement also comprises the X-axis motion platform, and described X-axis motion platform is fixed on beam side wall, and described Z axle motion platform is arranged on the X-axis motion platform.
For addressing the above problem, another technical scheme of the embodiment of the invention is:
A kind of combined type movement platform is provided, comprises: X-axis motion platform and Y-axis motion platform; Described X-axis and Y-axis motion platform include sliding platform and glide base, and the glide base of described Y-axis motion platform is fixed in the sliding platform top of X-axis motion platform; Described glide base comprises the air-float guide rail that is formed at both sides and is formed at first groove of mid portion; Described motion platform comprises linear electric motors, and described linear electric motors comprise stator and mover, and described stator is fixed on first bottom portion of groove, and described mover is fixed on the bottom surface of described sliding platform, and is oppositely arranged with stator.
As the further improvement to embodiment of the invention combined type movement platform, described motion platform motion also comprises: grating chi and grating ruler reading head; Described grating chi is fixed on the madial wall of arbitrary air-float guide rail; Described grating ruler reading head is arranged at the grating chi towards first groove, one side, and is fixed in described sliding platform bottom surface.
As the further improvement to embodiment of the invention combined type movement platform, described sliding platform bottom surface forms inverted second groove, described second groove covers the air-float guide rail of glide base both sides, and described second groove, two relative cell walls are respectively adjacent to the setting of air-float guide rail lateral wall.
As the further improvement to embodiment of the invention combined type movement platform, described air-float guide rail upper end extends outward first extension, and the groove of described second groove is along extending internally out second extension, and described second extension stretches into first extension below.
As the further improvement to embodiment of the invention combined type movement platform, the upper surface of described sliding platform is the plane, and is covered with a plurality of tapped through holes, and the bottom portion of groove of described glide base is the plane, and is covered with a plurality of installing holes.
As the further improvement to embodiment of the invention combined type movement platform, described sliding platform surface is provided with the keyway perpendicular to the air supporting track, described glide base bottom surface is provided with the groove that is parallel to the air supporting track, described combined type movement platform also comprises movable part, described movable part projection is arranged at the X-axis keyway, and embed the Y-axis groove, connect described X-axis motion platform and Y-axis motion platform.
The beneficial effect of the embodiment of the invention is: the situation that is different from prior art, the embodiment of the invention is by adopting X-axis, Y-axis and three motion platforms of Z axle, the Y-axis motion platform is fixed in the X-axis motion platform, and the feed motion, the space availability ratio that are implemented in X-axis, Y-axis and three directions of Z axle improve.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention desktop milling machine;
Fig. 2 is the structural representation of embodiment of the invention motion platform.
The specific embodiment
Below in conjunction with drawings and Examples the embodiment of the invention is elaborated.
Seeing also Fig. 1, is the structural representation of embodiment of the invention desktop milling machine.Described desktop milling machine comprises: X-axis motion platform 2, Y-axis motion platform 3 and Z axle motion platform 4.
And please in conjunction with Fig. 2, described X-axis motion platform 2 and Y-axis motion platform 3 include sliding platform 12 and glide base 8, and the glide base 8 of described Y-axis motion platform is arranged at sliding platform 12 tops of X-axis motion platform.
Described glide base 8 comprises the air-float guide rail 83 that is formed at both sides and first groove 81 that is formed at mid portion.
Described X-axis motion platform 2 and Y-axis motion platform 3 include linear electric motors 11, described linear electric motors 11 comprise stator (not sign) and mover (not sign), described stator is fixed on first groove, 81 bottoms, and described mover and stator are oppositely arranged, and is fixed on the bottom surface of described sliding platform 12.
In embodiments of the present invention, adopt triaxial movement platform, can realize three direction of principal axis feed motions, described desktop milling machine is because adopt the motion platform of same structure simultaneously, and it assembles more flexibly, safeguards also more convenient, and space availability ratio improves in addition.And because motion platform adopts the structure of linear electric motors and air-float guide rail, dynamic response height.
In another embodiment of the present invention, described desktop milling machine also comprises Workbench base 1, main shaft 5, spindle drum 6 and first column 7.
Described first column 7 vertically is fixed on the Workbench base 1, is arranged at described X-axis motion platform 2 one sides.
Described X-axis motion platform 2 is arranged on the Workbench base 1, and described Y-axis motion platform 3 is arranged on the X-axis motion platform 2, and described Z axle motion platform 4 is arranged on the side of first column 7, and described main shaft 5 is arranged on the Z axle motion platform 4 by spindle drum 6.
The know-why of the embodiment of the invention is: during energising, described X-axis motion platform 2 and Y-axis motion platform 3 are done rectilinear motion in the plane of being made of X-axis and Y-axis, be feed motion, the milling cutter on the main shaft 5 on the described Z axle motion platform 4 (not sign) can be located in described plane, also processing.Simultaneously, owing to adopt air-float guide rail, being described sliding platform 12 has a plurality of tiny pores with the adjoining surface of glide base 8, in the reciprocating motion process of described sliding platform 12, the pressure-air ejection is arranged from tiny pore, make to produce air film between described sliding platform 12 and the glide base 8, both are separated a little; Because be not in contact with one another, air film therebetween has lubrication between described sliding platform 12 of while and the glide base 8, and frictional resistance is very little.During energising, described sliding platform 12 is under the power drive that linear electric motors produce, and along air-float guide rail 83 rectilinear motions of described glide base 8 both sides, because frictional resistance is very little, its dynamic respective performances is higher.
In embodiments of the present invention, adopting on the triaxial movement platform basis, increase Workbench base, main shaft, spindle drum and first column, described desktop milling machine operation is more stable.
As shown in Figure 2, in another embodiment of the present invention, described X-axis motion platform 2, Y-axis motion platform 3 or Z axle motion platform 4 comprise: grating chi 9, grating ruler reading head 10.
Described grating chi 9 and grating ruler reading head 10; Described grating chi 9 is fixed on the madial wall of arbitrary air-float guide rail 83; Described grating ruler reading head 10 is arranged at grating chi 9 towards first groove, 81 1 sides, and is fixed in the bottom surface of described sliding platform 12.Described grating ruler reading head 10 is realized the high precision position feedback to described sliding platform 12 along with sliding platform 12 motions.
Described sliding platform 12 bottom surfaces form inverted second groove (not sign), and described second groove covers the air-float guide rail 83 of glide base 8 both sides, and described second groove, two relative cell walls are respectively adjacent to air-float guide rail 83 lateral wall settings.
Described air-float guide rail 83 upper ends extend outward first extension 100, and the groove of described second groove is along extending internally out second extension 200, and described second extension 200 stretches into first extension, 100 belows.
In embodiments of the present invention, by increasing grating chi 9 and grating ruler reading head 10, realize accurate location and the processing of three feed motions, employing is set up second groove and is made that the motion platform structure is more firm in addition, moves more stable.
In another embodiment of the present invention, described sliding platform 12 surfaces are covered with a plurality of tapped through holes 121; First groove, 81 bottoms of described glide base 8 are covered with a plurality of installing holes (not sign); The bottom surface of the surface of described sliding platform 12 and glide base 8 is smooth.Be conducive to make things convenient for the stack of motion platform by fixing a plurality of motion platforms such as screws, improve the flexibility ratio of assembling, and, also be fit to the dismounting maintenance.
In another embodiment of the present invention, described sliding platform 12 surfaces are provided with the keyway 123 perpendicular to air supporting track 83, and described glide base 8 bottom surfaces are provided with the groove 85 that is parallel to air supporting track 83.Described desktop milling machine also comprises the movable part (not shown), and described movable part projection is arranged at the keyway 123 of X-axis sliding platform, and embeds the groove 85 of Y-axis glide base, connects described X-axis motion platform 2 and Y-axis motion platform 3.
In embodiments of the present invention, by setting up keyway 123, groove 85 and movable part, make things convenient for the stack of X-axis and Y-axis.
In another embodiment of the present invention, described X-axis motion platform 2, Y-axis motion platform 3, Z axle motion platform 4 structures are identical, and (but this moment, described Z axle motion platform 4 was provided with similar structures such as baffle plate at its air-float guide rail end at least, to guarantee that sliding platform can not drop), it also can be described X-axis motion platform 2, Y-axis motion platform 3 structures are identical, it is X-axis motion platform 2, the mode that Y-axis motion platform 3 adopts linear electric motors 11 and air-float guide rail 83 to combine, and the mode that the Z axle both can adopt linear electric motors 11 and air-float guide rail 83 to combine can adopt the mode of linear electric motors 11 and lead screw guide rails again.
In embodiments of the present invention, can carry out different choice according to different needs, make up more flexible, various informative.
In another embodiment of the present invention, described main shaft 5 is electric main shaft or air spindle.Generally select electric main shaft for use, because select for use electric main shaft cost low.But be preferably air spindle, because air spindle rotating speed height, main shaft circular runout and axial runout are little, be more suitable for the requirement of described desktop milling machine.
In another embodiment of the present invention, described Workbench base 1 is arranged at below of desktop milling machine, and described Workbench base 1 material is marble or granite or concrete.Because select for use this different materials cost low, but smoothness height, temperature effect are little.
The embodiment of the invention also provides a kind of planer-type desktop milling machine, and described planer-type desktop milling machine comprises: Workbench base (can consult Fig. 1), feed arrangement (can consult Fig. 1), main shaft (can consult Fig. 1), spindle drum (can consult Fig. 1), the second column (not shown), the 3rd column (not shown) and crossbeam (not shown).
Described feed arrangement comprises Y-axis motion platform and Z axle motion platform; Described second, third column vertically is fixed on the Workbench base, is arranged at described Y-axis motion platform both sides; Described crossbeam connects second, third column, forms planer type structure; Institute's Y-axis motion platform is arranged on the Workbench base, and described Y-axis motion platform is fixed on beam side wall, and described main shaft is arranged on the Z axle motion platform by spindle drum.
Consult Fig. 2, described Y-axis or Z axle motion platform comprise: sliding platform, glide base, grating chi and grating ruler reading head; Described glide base comprises the air-float guide rail that is formed at both sides and is formed at first groove of mid portion, described grating chi is fixed on the madial wall of arbitrary air-float guide rail, described grating ruler reading head is arranged at directly over the grating chi, and is fixed in the bottom surface of described sliding platform; Described Y-axis or Z axle motion platform also comprise linear electric motors, and described linear electric motors comprise stator and mover, and described stator is fixed on first bottom portion of groove, and described mover and stator are oppositely arranged, and are fixed on the bottom surface of described sliding platform.
In embodiments of the present invention, by adopting planer type structure, can accurately locate on Y direction, the milling cutter on the main shaft also can accurately be located in the plane of being made up of X-axis and Y-axis, implements processing.
In another embodiment of planer-type desktop milling machine of the present invention, described feed arrangement also comprises the X-axis motion platform, and described X-axis motion platform is fixed on beam side wall, and described Z axle motion platform is arranged on the X-axis motion platform.Described X-axis, Z axle motion platform and second, third column form driven portal formula structure.
In embodiments of the present invention, because main shaft can be mobile arbitrarily on X-direction, the milling cutter on the main shaft also can accurately be located in the plane of being made up of X-axis and Y-axis, implements processing.
In embodiment of the invention desktop milling machine, by X-axis, Y-axis being set at Workbench base and in the column side of being fixed in Workbench base Z axle motion platform being set, improve desktop milling machine dynamic response performance, precision, reduced volume.
A kind of combined type movement platform of the embodiment of the invention comprises X-axis motion platform and Y-axis motion platform (seeing also Fig. 2).
Described X-axis and Y-axis motion platform include sliding platform 12, glide base 8, and described sliding platform 12 is arranged at glide base 8 tops.
Described glide base 8 comprises the air-float guide rail 83 that is formed at both sides and first groove 81 that is formed at mid portion.
Described motion platform comprises linear electric motors (not sign), and described linear electric motors comprise stator and mover, and described stator is fixed on first groove, 81 bottoms, and described mover and stator are oppositely arranged, and are fixed on the bottom surface of described sliding platform 12; The glide base 8 of described Y-axis motion platform is fixed in sliding platform 12 tops of X-axis motion platform.
In embodiments of the present invention, by stack X-axis, Y-axis motion platform, can improve space availability ratio, the mode that employing simultaneously and linear electric motors combine with air-float guide rail, the dynamic response capability raising moves more stable.
In another embodiment of the present invention, described motion platform comprises: grating chi 9 and grating ruler reading head 10.
Described grating chi 9 is fixed on the madial wall of arbitrary air-float guide rail 83; Described grating ruler reading head 10 is arranged at grating chi 9 towards first groove, 81 1 sides, and is fixed in described sliding platform 12 bottom surfaces.
Described sliding platform 12 bottom surfaces form inverted second groove (not sign), and described second groove covers the air-float guide rail 83 of glide base 8 both sides, and described second groove, two relative cell walls are respectively adjacent to air-float guide rail 83 lateral wall settings.
Described air-float guide rail 83 upper ends extend outward first extension, and the groove of described second groove is along extending internally out second extension, and described second extension stretches into first extension below
In embodiments of the present invention, by increasing grating chi 9 and grating ruler reading head 10, realize accurate location and the processing of three feed motions, employing is set up second groove and is made that the motion platform structure is more firm in addition, moves more stable.
In another embodiment of the present invention, described sliding platform 12 surfaces are covered with a plurality of tapped through holes 121; First groove, 81 bottoms of described glide base 8 are covered with a plurality of installing holes (not sign); The surface of described sliding platform and the bottom surface of glide base are smooth.
In embodiments of the present invention, by tapped through hole 121 and a plurality of installing hole are set, be conducive to make things convenient for the stack of motion platform by fixing a plurality of motion platforms such as screws, improve the flexibility ratio of assembling, and, also be fit to the dismounting maintenance.
In another embodiment of the present invention, described sliding platform 12 surfaces are provided with the keyway 123 perpendicular to air supporting track 83, and described glide base 8 bottom surfaces are provided with the groove 85 that is parallel to air supporting track 83.Described desktop milling machine also comprises the movable part (not shown), and described movable part projection is arranged at the keyway 123 of X-axis sliding platform, and embeds the groove 85 of Y-axis glide base, connects described X-axis motion platform 2 and Y-axis motion platform 3.
In embodiments of the present invention, by setting up keyway 123, groove 85 and movable part, make things convenient for the stack of X-axis and Y-axis.
In another embodiment of the present invention, described linear electric motors 11 are the secondary types of long elementary weak point.Its low cost of manufacture, operating cost are few.
The above only for embodiments of the invention is not so limits claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (16)

1. a desktop milling machine is characterized in that, comprising:
X-axis motion platform, Y-axis motion platform and Z axle motion platform;
Wherein, described X-axis motion platform, Y-axis motion platform are identical with Z axle motion platform structure, further, described X-axis and Y-axis motion platform include sliding platform and glide base, and the glide base of described Y-axis motion platform is fixed in the sliding platform top of X-axis motion platform;
Described glide base comprises the air-float guide rail that is formed at both sides and is formed at first groove of mid portion, and there are a plurality of tiny pores on the adjoining surface of described sliding platform and glide base;
Described X-axis, Y-axis motion platform include linear electric motors, and described linear electric motors comprise stator and mover, and described stator is fixed on first bottom portion of groove, and described mover is fixed on the bottom surface of sliding platform, and are oppositely arranged with described stator.
2. desktop milling machine according to claim 1 is characterized in that, described desktop milling machine also comprises:
Workbench base, main shaft, spindle drum and first column;
Described first column vertically is fixed on the Workbench base, is arranged at X-axis motion platform one side;
Described X-axis motion platform is arranged on the Workbench base, and described Y-axis motion platform is fixed on the X-axis motion platform, and described Z axle motion platform is arranged on the first column side, and described main shaft is arranged on the Z axle motion platform by spindle drum.
3. desktop milling machine according to claim 1 is characterized in that,
Described motion platform also comprises:
Grating chi and grating ruler reading head;
Described grating chi is fixed on the madial wall of arbitrary air-float guide rail;
Described grating ruler reading head is arranged at the grating chi towards first groove, one side, and is fixed in the bottom surface of described sliding platform.
4. desktop milling machine according to claim 2, it is characterized in that, described sliding platform bottom surface forms inverted second groove, and described second groove covers the air-float guide rail of glide base both sides, and described second groove, two relative cell walls are respectively adjacent to the setting of air-float guide rail lateral wall.
5. desktop milling machine according to claim 1 is characterized in that, described air-float guide rail upper end extends outward first extension, and the groove of described second groove is along extending internally out second extension, and described second extension stretches into first extension below.
6. desktop milling machine according to claim 1 is characterized in that, described sliding platform upper surface is the plane, and is covered with a plurality of tapped through holes, and the bottom portion of groove of described glide base is the plane, and is covered with a plurality of installing holes.
7. desktop milling machine according to claim 1, it is characterized in that, described sliding platform surface is provided with the keyway perpendicular to the air supporting track, described glide base bottom surface is provided with the groove that is parallel to the air supporting track, described desktop milling machine also comprises movable part, described movable part projection is arranged at the keyway of X-axis sliding platform, and embeds the groove of Y-axis glide base, flexibly connects described X-axis motion platform and Y-axis motion platform.
8. desktop milling machine according to claim 1 is characterized in that, described main shaft is electric main shaft or air spindle.
9. a planer-type desktop milling machine is characterized in that, comprising:
Workbench base, feed arrangement, main shaft, spindle drum, second column, the 3rd column and crossbeam;
Described feed arrangement comprises Y-axis motion platform and Z axle motion platform;
Described second, third column vertically is fixed on the Workbench base, is arranged at described Y-axis motion platform both sides;
Described crossbeam two ends connect second, third column top respectively, form planer type structure;
Described Y-axis motion platform is arranged on the Workbench base, and described Z axle motion platform is fixed on beam side wall, and described main shaft is arranged on the Z axle motion platform by spindle drum.
10. planer-type desktop milling machine according to claim 9 is characterized in that described feed arrangement also comprises the X-axis motion platform, and described X-axis motion platform is fixed on beam side wall, and described Z axle motion platform is arranged on the X-axis motion platform.
11. a combined type movement platform is characterized in that, comprising:
X-axis motion platform and Y-axis motion platform;
Described X-axis and Y-axis motion platform include sliding platform and glide base, and the glide base of described Y-axis motion platform is fixed in the sliding platform top of X-axis motion platform;
Wherein, described X-axis motion platform is identical with Y-axis motion platform structure, and further, described glide base comprises the air-float guide rail that is formed at both sides and is formed at first groove of mid portion, and there are a plurality of tiny pores on the adjoining surface of described sliding platform and glide base;
Described motion platform comprises linear electric motors, and described linear electric motors comprise stator and mover, and described stator is fixed on first bottom portion of groove, and described mover is fixed on the bottom surface of described sliding platform, and is oppositely arranged with stator.
12. combined type movement platform according to claim 11 is characterized in that,
Described motion platform motion also comprises:
Grating chi and grating ruler reading head;
Described grating chi is fixed on the madial wall of arbitrary air-float guide rail;
Described grating ruler reading head is arranged at the grating chi towards first groove, one side, and is fixed in described sliding platform bottom surface.
13. combined type movement platform according to claim 12, it is characterized in that, described sliding platform bottom surface forms inverted second groove, and described second groove covers the air-float guide rail of glide base both sides, and described second groove, two relative cell walls are respectively adjacent to the setting of air-float guide rail lateral wall.
14. combined type movement platform according to claim 13 is characterized in that, described air-float guide rail upper end extends outward first extension, and the groove of described second groove is along extending internally out second extension, and described second extension stretches into first extension below.
15. combined type movement platform according to claim 11 is characterized in that the upper surface of described sliding platform is the plane, and is covered with a plurality of tapped through holes, the bottom portion of groove of described glide base is the plane, and is covered with a plurality of installing holes.
16. combined type movement platform according to claim 11, it is characterized in that, described sliding platform surface is provided with the keyway perpendicular to the air supporting track, described glide base bottom surface is provided with the described combined type movement platform of the groove that is parallel to the air supporting track and also comprises movable part, described movable part projection is arranged at the X-axis keyway, and embed the Y-axis groove, connect described X-axis motion platform and Y-axis motion platform.
CN 201110085414 2011-04-06 2011-04-06 Tabletop milling machine, gantry tabletop milling machine and combined motion platform CN102145456B (en)

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CN110064763A (en) * 2019-04-22 2019-07-30 深圳市圆梦精密技术研究院 High-precision turning machine
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