CN204450034U - The feeding with high precision device that a kind of linear electric motors drive - Google Patents
The feeding with high precision device that a kind of linear electric motors drive Download PDFInfo
- Publication number
- CN204450034U CN204450034U CN201520045616.0U CN201520045616U CN204450034U CN 204450034 U CN204450034 U CN 204450034U CN 201520045616 U CN201520045616 U CN 201520045616U CN 204450034 U CN204450034 U CN 204450034U
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- China
- Prior art keywords
- electric motors
- linear electric
- supporting plate
- feeding
- high precision
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- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model discloses the feeding with high precision device that a kind of linear electric motors drive, be installed on lathe bed, described feed arrangement comprises supporting plate and linear electric motors, and the primary components of described linear electric motors is fixedly connected with described supporting plate, and the secondary component of described linear electric motors is fixedly connected with described lathe bed; After giving the energising of described linear electric motors, described secondary component and described primary components interact, and drive supporting plate moving linearly; The homonymy of described lathe bed and described supporting plate is provided with the linear grating for measuring air line distance.The feeding with high precision device that a kind of linear electric motors of the present utility model drive passes through linear motor direct drive, avoid startup, speed change and commutation time the motion delay phenomenon that causes because of the elastic deformation of intermediate link, friction and backlass, improve reception and registration rigidity, feed accuracy is high.
Description
Technical field
The utility model relates to technical field of bearing processing, particularly relates to the feeding with high precision device that a kind of linear electric motors drive.
Background technology
Bearing is the critical mechanical basic part that national industrial policies are supported.Along with the industries such as the Aero-Space of China, national defence, express locomotive, precision machine tool, railway locomotive and automobile, water conservancy, the energy, household electrical appliances use the demand of low noise, high accuracy, high life bearing day by day to increase, the requirement that must produce the bearing equipment of high-precision end to device fabrication producer also increases thereupon, and feed arrangement is the important step in bearing equipment, particularly circular cone, cylindrical raceway, require the convexity amount of several microns, but current used servomotor+shaft coupling+ball-screw feed arrangement is difficult to reach above-mentioned requirements.
Utility model content
The technical problem that one, will solve
The purpose of this utility model is for the problems referred to above existing for prior art, the feeding with high precision device that spy provides a kind of linear electric motors to drive, pass through linear motor direct drive, avoid startup, speed change and commutation time the motion delay phenomenon that causes because of the elastic deformation of intermediate link, friction and backlass, improve reception and registration rigidity, and then effectively can overcome feed arrangement in prior art and there is the defect that transmission stiffness is low, feed accuracy is low.
Two, technical scheme
For solving the problems of the technologies described above, the feeding with high precision device that the utility model provides a kind of linear electric motors to drive, be installed on lathe bed, described feed arrangement comprises supporting plate and linear electric motors, the primary components of described linear electric motors is fixedly connected with described supporting plate, and the secondary component of described linear electric motors is fixedly connected with described lathe bed; After giving the energising of described linear electric motors, described secondary component and described primary components interact, and drive supporting plate moving linearly; The homonymy of described lathe bed and described supporting plate is provided with the linear grating for measuring air line distance.
In the feeding with high precision device that above-mentioned linear electric motors drive, described supporting plate is extended with projection downwards, described lathe bed is provided with the groove of corresponding described projection, described linear electric motors are positioned at described groove, and form its primary components and be fixedly connected with the bottom of described projection, its secondary component is fixedly connected with the bottom of described groove.
In the feeding with high precision device that above-mentioned linear electric motors drive, described supporting plate two outside and described lathe bed two inside left rail assembly and right guide assembly are installed respectively, described left rail assembly and described right guide assembly form line slideway group.
In the feeding with high precision device that above-mentioned linear electric motors drive, between described left rail assembly and described right guide assembly, be provided with some balls.
In the feeding with high precision device that above-mentioned linear electric motors drive, described left rail assembly is positioned at the end of described projection, and described right guide assembly is positioned at the end of described groove.
In the feeding with high precision device that above-mentioned linear electric motors drive, be provided with gathering sill in described supporting plate, be provided with the flange of corresponding described gathering sill in described lathe bed, described flange is positioned at described gathering sill.
Three, the beneficial effects of the utility model
Compared with prior art, the feeding with high precision device that a kind of linear electric motors of the present utility model drive uses linear electric motors, overcome the drive gap because the mechanical mechanisms such as leading screw produce and error, and carry out high-precision position measurement and control by linear grating, form closed-loop control system, positioning precision can reach 0.3 micron, and the positioning precision than original 2 microns improves nearly 10 times.The feeding with high precision device that a kind of linear electric motors of the present utility model drive passes through linear motor direct drive, avoid startup, speed change and commutation time the motion delay phenomenon that causes because of the elastic deformation of intermediate link, friction and backlass, improve reception and registration rigidity, feed accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the feeding with high precision device that the linear electric motors of the utility model embodiment drive;
Fig. 2 is the structural representation of supporting plate in Fig. 1;
Fig. 3 is the structural representation of Fig. 1 medial bed;
Wherein:
1 is supporting plate, and 2 is linear electric motors, and 3 is primary components, and 4 is secondary component, and 5 is linear grating, and 6 is protruding, and 7 is groove, and 8 is left rail assembly, and 9 is right guide assembly, and 10 is line slideway group, and 11 is ball, and 12 is gathering sill, and 13 is flange;
100 is lathe bed.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
The structure of the feeding with high precision device that the linear electric motors in the utility model embodiment drive is installed on lathe bed 100 as shown in Figure 1 to Figure 3, this feed arrangement comprises supporting plate 1 and linear electric motors 2, the primary components 3 of linear electric motors 2 is fixedly connected with supporting plate 1, and the secondary component 4 of linear electric motors 2 is fixedly connected with lathe bed 100.Specifically, supporting plate 1 is extended with protruding 6 downwards, and lathe bed 100 is provided with the groove 7 of respective protrusions 6, linear electric motors 2 are positioned at groove 7, and forms its primary components 3 and be fixedly connected with the bottom of projection 6, and its secondary component 4 is fixedly connected with the bottom of groove 7.After being energized to linear electric motors 2, secondary component 4 and primary components 3 interact, and drive supporting plate 1 moving linearly.In addition, at the homonymy of lathe bed 100 and supporting plate 1, the linear grating 5 for measuring air line distance is installed.Like this, overcome the drive gap because the mechanical mechanisms such as leading screw produce and error, and carry out high-precision position measurement and control by linear grating 5, form closed-loop control system, positioning precision can reach 0.3 micron, and the positioning precision than original 2 microns improves nearly 10 times.
Further, supporting plate 1 two outside and lathe bed 100 two inside left rail assembly 8 and right guide assembly 9 are installed respectively, left rail assembly 8 be positioned at protruding 6 end, right guide assembly 9 is positioned at the end of groove 7, is provided with some balls 11 between left rail assembly 8 and right guide assembly 9.Thus, left rail assembly 8 and right guide assembly 9 form line slideway group 10, and namely supporting plate 1 is along line set of rails 10 moving linearly.In order to improve guidance quality, be provided with gathering sill 12 in supporting plate 1, be provided with the flange 13 of corresponding gathering sill 12 in lathe bed 100, flange 13 is positioned at gathering sill 12, and flange 13 and gathering sill 12 play auxiliary guiding.
As mentioned above, the feeding with high precision device that a kind of linear electric motors of the present utility model drive uses linear electric motors, overcome the drive gap because the mechanical mechanisms such as leading screw produce and error, and carry out high-precision position measurement and control by linear grating, form closed-loop control system, positioning precision can reach 0.3 micron, and the positioning precision than original 2 microns improves nearly 10 times.
The feeding with high precision device that a kind of linear electric motors of the present utility model drive passes through linear motor direct drive, avoid startup, speed change and commutation time the motion delay phenomenon that causes because of the elastic deformation of intermediate link, friction and backlass, improve reception and registration rigidity, feed accuracy is high.
Below be only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the feeding with high precision device of a linear electric motors driving, be installed on lathe bed (100), it is characterized in that, described feed arrangement comprises supporting plate (1) and linear electric motors (2), the primary components (3) of described linear electric motors (2) is fixedly connected with described supporting plate (1), and the secondary component (4) of described linear electric motors (2) is fixedly connected with described lathe bed (100); After giving described linear electric motors (2) energising, described secondary component (4) and described primary components (3) interact, and drive supporting plate (1) moving linearly; The homonymy of described lathe bed (100) and described supporting plate (1) is provided with the linear grating (5) for measuring air line distance.
2. the feeding with high precision device of linear electric motors driving according to claim 1, it is characterized in that, described supporting plate (1) is extended with projection (6) downwards, described lathe bed (100) is provided with the groove (7) of corresponding described projection (6), described linear electric motors (2) are positioned at described groove (7), and form its primary components (3) and be fixedly connected with the bottom of described projection (6), its secondary component (4) is fixedly connected with the bottom of described groove (7).
3. the feeding with high precision device of linear electric motors driving according to claim 2, it is characterized in that, described supporting plate (1) two outside and described lathe bed (100) two inside left rail assembly (8) and right guide assembly (9) are installed respectively, described left rail assembly (8) and described right guide assembly (9) formation line slideway group (10).
4. the feeding with high precision device of linear electric motors driving according to claim 3, is characterized in that, be provided with some balls (11) between described left rail assembly (8) and described right guide assembly (9).
5. the feeding with high precision device of linear electric motors driving according to claim 3, it is characterized in that, described left rail assembly (8) is positioned at the end of described projection (6), and described right guide assembly (9) is positioned at the end of described groove (7).
6. the feeding with high precision device of linear electric motors driving according to claim 1, it is characterized in that, gathering sill (12) is provided with in described supporting plate (1), be provided with the flange (13) of corresponding described gathering sill (12) in described lathe bed (100), described flange (13) is positioned at described gathering sill (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045616.0U CN204450034U (en) | 2015-01-22 | 2015-01-22 | The feeding with high precision device that a kind of linear electric motors drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045616.0U CN204450034U (en) | 2015-01-22 | 2015-01-22 | The feeding with high precision device that a kind of linear electric motors drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204450034U true CN204450034U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520045616.0U Expired - Fee Related CN204450034U (en) | 2015-01-22 | 2015-01-22 | The feeding with high precision device that a kind of linear electric motors drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204450034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425479A (en) * | 2016-10-31 | 2017-02-22 | 福建省正丰数控科技有限公司 | Magnetic suspension gantry processing center |
-
2015
- 2015-01-22 CN CN201520045616.0U patent/CN204450034U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425479A (en) * | 2016-10-31 | 2017-02-22 | 福建省正丰数控科技有限公司 | Magnetic suspension gantry processing center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20220122 |