CN102152158A - T-type linear motor dual-drive structure for precision machine tool - Google Patents
T-type linear motor dual-drive structure for precision machine tool Download PDFInfo
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- CN102152158A CN102152158A CN 201110070181 CN201110070181A CN102152158A CN 102152158 A CN102152158 A CN 102152158A CN 201110070181 CN201110070181 CN 201110070181 CN 201110070181 A CN201110070181 A CN 201110070181A CN 102152158 A CN102152158 A CN 102152158A
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Abstract
The invention discloses a T-type linear motor dual-drive structure for a precision machine tool, belonging to the advanced manufacture field and being an improvement on the traditional precision machine tool driving form. For the driving form, a linear motor is used for driving moving parts. For the mounting structure of the linear motor, a T-type dual-linear motor with a transversely symmetric structure is installed, thus the deformation influence caused by the electromagnetic absorbing force between the primary and secondary stages of the linear motor on the moving parts is eliminated. The T-type linear motor dual-drive structure has the advantages of high precision, good stability and small influence on the moving parts.
Description
Technical field
The invention belongs to advanced manufacturing field, is to a kind of improvement innovation on traditional precision finishing machine drive form.Adopt that the T type of this improvement structure is two to drive linear electric motors, can eliminate the slide carriage distortion that electromagnetic linear motor suction causes, improve stability and accuracy that linear electric motors drive.
Background technology
Linear electric motors: the principle of utilizing electromagnetic action, electric energy is directly changed into the equipment of rectilinear motion kinetic energy, its feature is directly to produce rectilinear motion, compares with indirect generation straight-line " electric rotating machine+ball-screw " structure that to have a volume little, realizes linear drives with minimum unit; Not having machinery contact, driving force is to produce in the air gap between mover and stator, does not have other mechanical friction except guide rail; The velocity interval of linear electric motors operation is very wide, and highest movement speed per minute can reach hundred meters, and the acceleration that is produced when particularly its moves can reach the acceleration that is several times as much as freely falling body, and operates steadily; Response speed is fast, and time constant is less than 1ms; Positioning accuracy and repetitive positioning accuracy height.
Summary of the invention
The purpose of this invention is to drive problems such as low precision, stability are low in order to solve present domestic precision finishing machine.Adopt that these T type linear electric motors are two to drive structure, can improve accuracy and the stability of driver part moving component control.
This invention relies on following technical proposals to realize.At first, the elementary mount pad of T type linear electric motors is connected on the slide carriage, and the elementary of left and right linear electric motors is installed on the elementary mount pad of T type linear electric motors.Secondly, left and right linear electric motors secondary respectively on left and right linear electric motors side plate, and side plate is connected on the linear electric motors guide rail.Like this,,, cancel each other,, improved the precision of precision finishing machine so eliminated the slide carriage distortion that electromagnetic linear motor suction causes because left and right linear electric motors is elementary opposite to secondary electromagnetic attraction direction by to the linear electric motors power supply.
Description of drawings
Fig. 1 for precision finishing machine with the two structural representations that drive of T type linear electric motors.
Fig. 2 for precision finishing machine with the two structural representations that drive of T type linear electric motors, wherein overstriking scope is the two structure of the linear motion actuator that drive of T type.
The specific embodiment
Below in conjunction with two the driving and operation principle of the T of explanation shown in accompanying drawing type linear electric motors.Embodiment 1, sees Fig. 1, and wherein 1 is the left side press strip; 2 is the granite lathe bed; 3 is the cast iron slide carriage; 4 is the right side press strip; 5 is left linear electric motors side plate; 6 is that left linear electric motors are secondary; 7 is that left linear electric motors are elementary; 8 is the elementary mount pads of T type linear electric motors; 9 is the elementary connection rebounds of linear electric motors; 10 is the linear electric motors guide rail; 11 is that right linear electric motors are elementary; 12 is that right linear electric motors are secondary; 13 is right linear electric motors side plate.
Operation principle: T type linear electric motors are two to be driven structure and mainly is installed in 2 of slide carriage 3 and bed pieces, realizes the relative motion of slide carriage and lathe bed.In this structure, the elementary mount pad 8 of T type linear electric motors is connected the bottom of slide carriage 3, left side linear electric motors elementary 7 are connected on the elementary mount pad 8 of T type linear electric motors by the elementary connection rebound 9 of linear electric motors, left side linear electric motors secondary 6 are connected on the linear electric motors guide rail 10 by left linear electric motors side plate 5, right linear electric motors elementary 11 are connected on the elementary mount pad 8 of T type linear electric motors, right linear electric motors secondary 12 are connected on the linear electric motors guide rail 10 by right linear electric motors side plate 13, and linear electric motors guide rail 10 is installed on the granite lathe bed 2.After powering on to linear electric motors, between the linear electric motors primary and secondary since electromagnetic action produce along the X-direction driving force, realize the motion of slide carriage on bed ways, simultaneously, because being symmetry, install by left and right sides linear electric motors, its electromagnetic attraction in the Y direction can be cancelled out each other, the distortion of having avoided the absorption to slide carriage to cause.
Claims (3)
1. two structures of driving of the T type linear electric motors of using on the precision finishing machine.It comprises that mainly linear electric motors, the linear electric motors side plate of symmetry installation, linear electric motors that the elementary mount pad of T type linear electric motors, symmetry are installed connect rebound, linear electric motors guide rail.It is characterized in that:
The elementary mount pad of T type linear electric motors is connected on the slide carriage, elementary being connected on the elementary mount pad of T type linear electric motors of linear electric motors that symmetry is installed;
Secondary being connected on the left side plate of linear electric motors that symmetry is installed, the linear electric motors side plate of symmetry installation simultaneously is connected on the linear electric motors guide rail that is installed on the lathe bed.
These T type linear electric motors are two to drive the application of structure on precision machine tool, the structure that its symmetry is installed can be offset in single linear electric motors elementary to the secondary electrical magnetic attraction, eliminated because linear electric motors suction brings the influence to the slide carriage distortion, improve the stability and the accuracy of slide carriage motion simultaneously, guaranteed the precision of workpiece processing.
2. T type linear electric motors as claimed in claim 1 are two to drive structure, and it is characterized in that: the elementary mount pad of T type linear electric motors is connected on the slide carriage, and the linear electric motors guide rail is connected on the lathe bed.
3. T type linear electric motors as claimed in claim 1 are two to drive structure, it is characterized in that: two primary and secondaries that drive linear electric motors that symmetry is installed are connected on elementary mount pad of T type linear electric motors and the left and right sides linear electric motors side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110070181 CN102152158B (en) | 2011-03-23 | 2011-03-23 | T-type linear motor dual-drive structure for precision machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110070181 CN102152158B (en) | 2011-03-23 | 2011-03-23 | T-type linear motor dual-drive structure for precision machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102152158A true CN102152158A (en) | 2011-08-17 |
| CN102152158B CN102152158B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110070181 Expired - Fee Related CN102152158B (en) | 2011-03-23 | 2011-03-23 | T-type linear motor dual-drive structure for precision machine tool |
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| CN (1) | CN102152158B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372319A (en) * | 2020-09-02 | 2021-02-19 | 阿帕斯精机(上海)有限公司 | Linear motor driven movable beam gantry numerical control machine tool for counteracting magnetic attraction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003097279A1 (en) * | 2002-05-17 | 2003-11-27 | Salerno Anthony Jr | Linear electric servo motor actuated screw thread tapper |
| DE10339260A1 (en) * | 2003-08-26 | 2005-03-24 | Bosch Rexroth Ag | Electric drive for a machining unit on a machine tool or a machining center, has a first motor device to move the machining tool and a spring structure in a load-relieving device |
| CN101176975A (en) * | 2007-12-04 | 2008-05-14 | 北京机电院高技术股份有限公司 | Jr. installation method of linear electric motor |
| CN101318292A (en) * | 2008-07-02 | 2008-12-10 | 北京航空航天大学 | Linear electric motor driven four-shaft linkage numerical control machine |
| CN201329516Y (en) * | 2008-12-06 | 2009-10-21 | 襄樊新火炬数控机床有限公司 | Linear motor driven high-speed feed unit |
| CN101607372A (en) * | 2009-07-14 | 2009-12-23 | 南通科技投资集团股份有限公司 | But the bilinear permanent magnet synchronous motor horizontally-feeding platform of offsetting influence of gravity |
-
2011
- 2011-03-23 CN CN 201110070181 patent/CN102152158B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003097279A1 (en) * | 2002-05-17 | 2003-11-27 | Salerno Anthony Jr | Linear electric servo motor actuated screw thread tapper |
| DE10339260A1 (en) * | 2003-08-26 | 2005-03-24 | Bosch Rexroth Ag | Electric drive for a machining unit on a machine tool or a machining center, has a first motor device to move the machining tool and a spring structure in a load-relieving device |
| CN101176975A (en) * | 2007-12-04 | 2008-05-14 | 北京机电院高技术股份有限公司 | Jr. installation method of linear electric motor |
| CN101318292A (en) * | 2008-07-02 | 2008-12-10 | 北京航空航天大学 | Linear electric motor driven four-shaft linkage numerical control machine |
| CN201329516Y (en) * | 2008-12-06 | 2009-10-21 | 襄樊新火炬数控机床有限公司 | Linear motor driven high-speed feed unit |
| CN101607372A (en) * | 2009-07-14 | 2009-12-23 | 南通科技投资集团股份有限公司 | But the bilinear permanent magnet synchronous motor horizontally-feeding platform of offsetting influence of gravity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372319A (en) * | 2020-09-02 | 2021-02-19 | 阿帕斯精机(上海)有限公司 | Linear motor driven movable beam gantry numerical control machine tool for counteracting magnetic attraction |
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| CN102152158B (en) | 2013-03-13 |
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