CN101318296A - Two-freedom primary shaft feed function module driven by linear electric motor in parallel - Google Patents
Two-freedom primary shaft feed function module driven by linear electric motor in parallel Download PDFInfo
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- CN101318296A CN101318296A CNA2008101157620A CN200810115762A CN101318296A CN 101318296 A CN101318296 A CN 101318296A CN A2008101157620 A CNA2008101157620 A CN A2008101157620A CN 200810115762 A CN200810115762 A CN 200810115762A CN 101318296 A CN101318296 A CN 101318296A
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Abstract
The invention relates to a two-degree freedom spindle feeding function module which is driven by a linear motor which are in parallel, comprising a base, a linear motion module, an asymmetrical parallel mechanism module and an electrical spindle. The base is a whole U-shaped notch hollow casting; linear guide tracks are fixedly arranged on the base, and a linear motor stator is arranged between two linear guide tracks; a guide track slider is symmetrically and fixedly connected with a mover seat, and a linear motor mover is fixedly arranged at the geometric center of the mover seat; the linear guide track matches with the guide track slider, a linear grating ruler is fixedly arranged on the side of the base, and an installation seat is fixedly connected with the mover seat; a rotary side component A is fixedly connected with the installation seat, a rotary side component B is fixedly arranged on an upper installation plane of a swinging platform, and two ends of a connecting rod are respectively connected with the rotary side component A and the rotary side component B in interference fitting, while a rotary side component C is respectively connected with the swinging platform and the inside of a U-shaped seat in fitting, and the U-shaped seat is fixedly arranged on another mover seat.
Description
(1) technical field:
The invention provides the two-freedom primary shaft feed function module that a kind of linear electric motor in parallel drives, it relates to a kind of primary shaft feed function module that is used for nC vertical milling machine, this module is driven by linear electric motor in parallel, realize " translation+rotation " two-freedom feed motion of machine tool chief axis, belong to the numerical control machine tool technique field.
(2) background technology:
Lathe is manufacturing machine-tool, is the nucleus equipment of equipment manufacture.All the collection dress forms all Digit Control Machine Tools on basic frames such as lathe bed, column by various functional modules (as main axle unit and main tapping, rolling linear guide, rotary table, digital control servo system and measurement feedback element etc.), therefore do not have high level, high-quality functional part, just be difficult to high level, high performance various Digit Control Machine Tools.Linear electric motors utilize the electromagnetic action principle exactly, electric energy are directly changed into the equipment of rectilinear motion kinetic energy.Linear electric motors drive and compare with traditional kind of drive: the power that linear electric motors produced directly acts on moving-member, and is middle not by any machine driving link with flexibility, and Here it is so-called " directly driving " or " zero transmission "; Therefore, linear electric motors drive the moment of inertia that can simplify machine tool structure, minimizing machine tool transmission system, improve movement velocity, acceleration and the precision of lathe greatly, satisfy the requirement of high speed and precision processing.Current, the main shaft of most vertical knee-type milling machines all is the single-degree-of-freedom feeding mode that adopts electric rotating machine+ball-screw transmission.
(3) summary of the invention:
The purpose of this invention is to provide the two-freedom primary shaft feed function module that a kind of linear electric motor in parallel drives, specifically be meant " translation+rotation " the two-freedom nC vertical milling machine primary shaft feed function module that drives by by linear electric motor in parallel, this functional module has the plurality of advantages of parallel institution concurrently, simultaneously electric main shaft rotates deflection angle can reach 90 °, and no movement interference and the unusual generation of motion in the yaw motion process.Therefore, this functional module not only can realize machine tool chief axis two-freedom interlock processing, but also can realize vertical and horizontal conversion machining functions.
The two-freedom primary shaft feed function module that a kind of linear electric motor in parallel of the present invention drives, technical scheme is as follows:
The two-freedom primary shaft feed function module that this linear electric motor in parallel drives is made up of pedestal 1, Linear Moving Module, asymmetric parallel institution module and electric main shaft 16, wherein:
This pedestal 1 is a monoblock type U type groove shape hollow casting, and locating surface and screwed hole are arranged on its upper surface, is convenient to install Linear Moving Module.
This Linear Moving Module is by line slideway 2, guide rail slide block 3, form from lock slide 4, linear motor stator electric 5, linear motor rotor 6, linear grating chi 7 and mover seat 8.
Structure annexation between each parts is: one group of (two) line slideway 2 secured in parallel is installed on the pedestal 1, and a linear motor stator electric 5 is installed between two line slideways 2, fixedlys connected with the U type groove upper surface of pedestal 1; One group of (four) guide rail slide block 3 symmetry is fixedlyed connected with mover seat 8, and one group (two) are installed between the guide rail slide block 3 and with mover seat 8 from lock slide 4 symmetries and fixedly connected simultaneously, and linear motor rotor 5 is fixedly mounted on the geometric center position of mover seat 8; Line slideway 2 cooperates with guide rail slide block 3, so can guarantee the installation requirement of linear motor stator electric 5 and linear motor rotor 6; Linear grating chi 7 is fixedly mounted on the side of pedestal 1, thereby constitutes a Linear Moving Module.
This asymmetric parallel institution module is made up of revolute assembly mount pad 9, revolute assembly A 10, connecting rod 11, revolute assembly B 12, oscillating platform 13, revolute assembly C 14, U type seat 15.
Structure annexation between each parts is: mount pad 9 is fixedlyed connected with mover seat 8, one group of (two) revolute assembly A10 is fixedlyed connected with mount pad 9, one group of revolute assembly B12 is fixedly mounted on the last installed surface of oscillating platform 13, connecting rod 11 two ends are connected with revolute assembly B12 interference fit with revolute assembly A10 respectively, one group of (two) revolute assembly C14 links to each other with 15 inboard cooperations of U type seat with oscillating platform 13 respectively, U type seat 15 is fixedly mounted on another mover seat 8, thereby constitute P3RP (P-moving sets, R-revolute) type asymmetric parallel institution module.
Wherein, this revolute assembly A 10, revolute assembly B 12 and revolute assembly C 14 are respectively a pair of pivoting parts, can carry out 360 ° of rotations around himself axis; This revolute assembly A 10, revolute assembly B 12 are identical with revolute assembly C14 structure, difference be exactly separately the radius of gyration vary in size.
Wherein, this mount pad 9 is a right angle U type global facility, installs and fixes the hole at its top and bottom, is respectively applied for revolute assembly A 10 and fixedlys connected with mover seat 8.
Wherein, the cuboid parts that this connecting rod 11 is whole hollow outs, its two ends interference fit is equipped with the gyroaxis that matches with revolute assembly A10 and revolute assembly B12.
Wherein, this U type seat 15 is a global facility, and there is the locating hole of symmetry at its U type mouth place, is used to be connected; Installing hole is arranged at the bottom, fixedlys connected with mover seat 8 by screw.
Wherein, this oscillating platform 13 is square cavity structures, and there is cylindrical boss its both sides, and revolute assembly C 14 is used to be connected; The installation locating hole is arranged at its bottom, is used to install and fix electric main shaft 16.
Wherein, this linear motor stator electric adopts a monoblock type wall scroll permanent magnet.
Wherein, this electricity main shaft 16 adopts AC frequency conversion electricity main shaft.
Advantage of the present invention and effect are: the existing parallel institution good rigidly of two-freedom primary shaft feed function module that this linear electric motor in parallel drives, the advantage that compact conformation is flexible, bearing capacity is strong, also have the big advantage of slewing area simultaneously, can realize the upright conversion processing of crouching of machine tool chief axis.In addition,, adopt single stator+two mover drives structure, make this functional module have higher mechanical assembly precision based on the linear electric motors direct driving technologies; Simultaneously, also can obtain higher movement velocity, acceleration and precision.
(4) description of drawings:
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right view of the present invention.
Fig. 4 is that B of the present invention is to view.
Fig. 5 is a working state schematic representation of the present invention.
Number in the figure and symbol description are as follows:
1 pedestal, 2 line slideways, 3 guide rail slide blocks
4 from lock slide 5 linear motor stator electrics 6 linear motor rotors
7 linear grating chis, 8 mover seats, 9 mount pads
10 revolute assembly A, 11 connecting rods, 12 revolute assembly B
13 oscillating platforms, 14 revolute assembly C 15U type seats
16 electric main shafts
(5) specific embodiment:
The two-freedom main shaft functional module that a kind of linear electric motor in parallel of the present invention drives includes: pedestal 1, two Linear Moving Module, asymmetric parallel institution module, electric main shaft 16; Wherein Linear Moving Module includes: line slideway 2, guide rail slide block 3, from lock slide 4, linear motor stator electric 5, linear motor rotor 6, linear grating chi 7 and mover seat 8; Wherein asymmetric parallel institution module includes: mount pad 9, revolute assembly A 10, connecting rod 11, revolute assembly B 12, oscillating platform 13, revolute assembly C 14 and U type seat 15.
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
The two-freedom primary shaft feed function module that a kind of linear electric motor in parallel of the present invention drives, as depicted in figs. 1 and 2, one group of (two) line slideway 2 parallel symmetry is screwed the upper surface that is installed in pedestal 1, and a linear motor stator electric 5 is screwed the U type bottom center position that is installed in pedestal 1; One group of (four) guide rail slide block 3 is symmetrically distributed, be screwed the bottom surface that is installed in mover seat 8, one group (two) are installed in the centre position of guide rail slide block 3 from lock slide 4 usefulness screw symmetries, and a linear motor rotor 6 is screwed the geometric center position that is installed in mover seat 8; Two groups of (eight) guide rail slide blocks 3 and two groups (four) cooperate with line slideway 2 respectively from lock slide 4; Simultaneously, two linear grating chis 7 are parallel with guide pass to be fixedly mounted on the upper and lower end parts position of pedestal 1 left and right side respectively with screw, thereby constitutes two Linear Moving Module.
As shown in figs. 1 and 3, be to fixedly connected with mover seat 8 from lock slide 4, and match with line slideway 2 by screw.In free state or not under the duty, under lock slide 4 portion's spring precompressed effect within it, tightly the locking line slideway 2, produce stiction vertically upward this moment, avoid gliding because of deadweight thereby pin linear motor rotor 6; In working order down, give from lock slide 4 ventilations, overcome the contained spring active force under gas pressure, this moment, the stiction between lock slide 4 and line slideway 2 disappeared, and can freely move back and forth down along line slideway 2 is upper left thereby release allows linear motor rotor 6 drive Linear Moving Module.
As Fig. 1, shown in 3 and 4, revolute assembly mount pad 9 is fixedlyed connected with moving base 8 by screw, one group of (two) revolute assembly A10 uses screw and fixedlys connected with revolute assembly mount pad 9, one group of revolute assembly B12 is screwed the last installed surface that is installed in oscillating platform 13, connecting rod 11 two ends are connected with revolute assembly B12 interference fit with revolute assembly A10 respectively, one group of (two) revolute assembly C14 links to each other with 15 inboard cooperations of U type seat with oscillating platform 13 respectively, U type seat 15 is fixedly mounted on another mover seat 8 by screw, thereby constitute P3RP (P-moving sets, R-revolute) type parallel moving mechanism.Electricity main shaft 16 is fixedly mounted on the oscillating platform 13, and oscillating platform 13 drives electric main shaft 16 and does the motion of " translation+rotations " two-freedoms, and the deflection maximum can reach 90 degree, can realize that the upright conversion of crouching of vertical knee-type milling machine main shaft module is processed.
Shown in Fig. 1,3 and 5, when linear motor rotor 6 driven in synchronism mover seats 8, the electric main shaft 16 that is installed on the oscillating platform 13 moves as upper and lower translation along line slideway 2 directions; When linear motor rotor 6 drove mover seats 8 above having only, electric main shaft 16 will produce yaw motion, and maximum deflection can reach 90 °, can realize vertical to horizontal conversion; When two linear motor rotors 6 drive mover seat 8 simultaneously, but both movement velocitys are not simultaneously, and electric main shaft 16 will produce translation and yaw motion simultaneously, can realize the function of " translation+rotation " two-freedom axis feeding that linear electric motor in parallel drives.
Claims (8)
1, a kind of two-freedom primary shaft feed function module of linear electric motor in parallel driving is made up of pedestal, Linear Moving Module, asymmetric parallel institution module and electric main shaft, it is characterized in that:
This pedestal is a monoblock type U type groove shape hollow casting, and locating surface and screwed hole are arranged on its upper surface, is convenient to install Linear Moving Module;
This Linear Moving Module is by line slideway, guide rail slide block, form from lock slide, linear motor stator electric, linear motor rotor, linear grating chi and mover seat; Wherein, the structure annexation between each parts is:
One group of line slideway secured in parallel is installed on the pedestal, and a linear motor stator electric is installed between two line slideways, fixedlys connected with the U type groove upper surface of pedestal; One group of guide rail slide block symmetry is fixedlyed connected with the mover seat, and one group of while is installed between the guide rail slide block and with the mover seat from the lock slide symmetry fixedlys connected, and linear motor rotor is fixedly mounted on the geometric center position of mover seat; Line slideway cooperates with the guide rail slide block, and the linear grating chi is fixedly mounted on the side of pedestal, thereby constitutes Linear Moving Module;
This asymmetric parallel institution module is made up of revolute assembly mount pad, revolute assembly A, connecting rod, revolute assembly B, oscillating platform, revolute assembly C, U type seat; Wherein, the structure annexation between each parts is:
Mount pad is fixedlyed connected with the mover seat, revolute assembly A is fixedlyed connected with mount pad, one group of revolute assembly B is fixedly mounted on the last installed surface of oscillating platform, the connecting rod two ends are connected with revolute assembly B interference fit with revolute assembly A respectively, one group of revolute assembly C links to each other with inboard cooperation of oscillating platform and U type seat respectively, U type seat is fixedly mounted on another mover seat, thereby constitutes asymmetric parallel institution module;
2, the two-freedom primary shaft feed function module of linear electric motor in parallel driving according to claim 1, it is characterized in that: this revolute assembly A, revolute assembly B and revolute assembly C are respectively a pair of pivoting parts, can carry out 360 ° of rotations around himself axis.
3, the two-freedom primary shaft feed function module of linear electric motor in parallel driving according to claim 1, it is characterized in that: this mount pad is a right angle U type global facility, install and fix the hole at its top and bottom, be respectively applied for revolute assembly A and fixedly connected with the mover seat.
4, the two-freedom primary shaft feed function module of linear electric motor in parallel driving according to claim 1, it is characterized in that: this connecting rod is the cuboid parts of a whole hollow out, and its two ends interference fit is equipped with the gyroaxis that matches with revolute assembly A and revolute assembly B.
5, the two-freedom primary shaft feed function module of linear electric motor in parallel driving according to claim 1, it is characterized in that: this U type seat is a global facility, and there is the locating hole of symmetry at its U type mouth place, is used to be connected, installing hole is arranged at the bottom, fixedlys connected with the mover seat by screw.
6, the two-freedom primary shaft feed function module of linear electric motor in parallel driving according to claim 1, it is characterized in that: this oscillating platform is a square cavity structure, there is cylindrical boss its both sides, revolute assembly C is used to be connected, the installation locating hole is arranged at its bottom, is used to install and fix electric main shaft.
7, the two-freedom primary shaft feed function module of linear electric motor in parallel driving according to claim 1, it is characterized in that: this linear motor stator electric adopts a monoblock type wall scroll permanent magnet.
8, the two-freedom primary shaft feed function module of linear electric motor in parallel driving according to claim 1 is characterized in that: this electricity main shaft 16 adopts AC frequency conversions electricity main shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101157620A CN101318296A (en) | 2008-06-27 | 2008-06-27 | Two-freedom primary shaft feed function module driven by linear electric motor in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101157620A CN101318296A (en) | 2008-06-27 | 2008-06-27 | Two-freedom primary shaft feed function module driven by linear electric motor in parallel |
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| Publication Number | Publication Date |
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| CN101318296A true CN101318296A (en) | 2008-12-10 |
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| CNA2008101157620A Pending CN101318296A (en) | 2008-06-27 | 2008-06-27 | Two-freedom primary shaft feed function module driven by linear electric motor in parallel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476287A (en) * | 2010-11-29 | 2012-05-30 | 财团法人工业技术研究院 | Movable beam type machine tool |
| CN103934478A (en) * | 2014-04-09 | 2014-07-23 | 淮安市博泽科技有限公司 | Two-axis driving method and mechanism of main shaft |
| CN103949752A (en) * | 2014-03-05 | 2014-07-30 | 北京航空航天大学 | Real-time observation device suitable for welding temperature field of ultrahigh frequency pulse TIG (Tungsten Inert Gas) welding |
| CN104540330A (en) * | 2014-12-24 | 2015-04-22 | 嘉兴景焱智能装备技术有限公司 | Dual-shaft flexible circuit board reinforcing laminating machine |
| CN108188804A (en) * | 2018-03-29 | 2018-06-22 | 天津城建大学 | Self-centering electro spindle clamping device |
| CN110090993A (en) * | 2019-04-23 | 2019-08-06 | 南通超达装备股份有限公司 | A kind of fascia milling system |
-
2008
- 2008-06-27 CN CNA2008101157620A patent/CN101318296A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476287A (en) * | 2010-11-29 | 2012-05-30 | 财团法人工业技术研究院 | Movable beam type machine tool |
| CN103949752A (en) * | 2014-03-05 | 2014-07-30 | 北京航空航天大学 | Real-time observation device suitable for welding temperature field of ultrahigh frequency pulse TIG (Tungsten Inert Gas) welding |
| CN103934478A (en) * | 2014-04-09 | 2014-07-23 | 淮安市博泽科技有限公司 | Two-axis driving method and mechanism of main shaft |
| CN103934478B (en) * | 2014-04-09 | 2016-04-13 | 淮安市博泽科技有限公司 | A kind of diaxon driving method of main shaft and diaxon driving mechanism |
| CN104540330A (en) * | 2014-12-24 | 2015-04-22 | 嘉兴景焱智能装备技术有限公司 | Dual-shaft flexible circuit board reinforcing laminating machine |
| CN108188804A (en) * | 2018-03-29 | 2018-06-22 | 天津城建大学 | Self-centering electro spindle clamping device |
| CN110090993A (en) * | 2019-04-23 | 2019-08-06 | 南通超达装备股份有限公司 | A kind of fascia milling system |
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