CN2251221Y - Linear step electric machine - Google Patents
Linear step electric machine Download PDFInfo
- Publication number
- CN2251221Y CN2251221Y CN 96232612 CN96232612U CN2251221Y CN 2251221 Y CN2251221 Y CN 2251221Y CN 96232612 CN96232612 CN 96232612 CN 96232612 U CN96232612 U CN 96232612U CN 2251221 Y CN2251221 Y CN 2251221Y
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- nut
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- motor
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a linear stepping motor, belonging to the manufacture field of the motor. On the basis of the rotary stepped machine, the rotary movement of a motor rotor is changed into the rectilinear motion via a feed screw nut pair inside. The utility model has the advantages of convenient operation, simple structure, low cost, strong thrust force, and the high precision of step pitch; the sliding feed screw nut pair has self-locking function during power cut. The utility model can be widely used for the occasion of linear control with high precision.
Description
The utility model relates to a kind of linear stepping motor of field of motor manufacturing.Common stepping motor is rotary-type, and it comprises that motor stator contains line bag, rotor, electric motor end cap, hold-down screw.Drive object during the rotor motion and rotate, when needs object moving linearly, must be by screw mandrel-nut, or mechanism such as gear-tooth bar will rotatablely move and convert rectilinear motion to, because switching mechanism cost of manufacture height, volume is big, and use has inconvenience more.(Tongji University publishes in " step motor control technical guide " book, author Wang Hongyu), introduce two kinds and directly produced straight-line stepping motor, be three-phase magnetic resistance and hybrid linear stepper motor, its architectural feature is that stator is the slat that ferromagnetic material is made, its plane groove milling becomes profile of tooth, mover is built up by E font lamination, or the electricity consumption magnet steel, is wound with coil on the iron core column of E font mover, when coil windings feeds electric current in turn, mover is just made the straight line step motion, the weak point manufacturing cost height of these two kinds of linear stepping motors, and stepping accuracy is poor, thrust is little, and power down does not have latching characteristics.
The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and provides a kind of simple in structure, and thrust is big, and cost is low, the linear stepping motor that control precision is high.
The purpose of this utility model can reach by the following technical programs: on the basis of rotary-type stepping motor, at the middle part of its rotor screw mandrel-pair of nut is installed, the nut two ends respectively are supported on the electric motor end cap by single thrust bearing.
The drawing of accompanying drawing is described as follows:
Fig. 1: structure chart of the present utility model
Fig. 2: the rotor silicon steel sheet is fixed on the form on the sliding screw nut
Fig. 3: the rotor silicon steel sheet is fixed on the form parts numbering on the ball screw nut: 1-pad, 2-screw mandrel, 3-nut 4-right single thrust bearing 5-motor right end cap 6-motor stator (containing the line bag) 7-rotor, 8-motor left end cap 9-left single thrust bearing 10-rotor 11-rotor silicon steel sheet 12-ladder type nut 13-trapezoidal screw 14-ball nut 15-ball screw
Below in conjunction with Fig. 1, Fig. 2, Fig. 3, the utility model is described in further detail.
Hole, garden, rotor silicon steel sheet (11) middle part is by die stamping, and rotor silicon steel sheet (11) is fixed on the lead screw nut, and sliding screw and nut are slidingly matched through internal thread.Perhaps rotor silicon steel sheet (11) is fixed on the ball screw nut, and ball screw rolls with nut ball in groove and cooperates.Pad (1) is fastening single thrust bearing (9), (4) usefulness, for preventing rotor (10), (2) play vertically, and helps the transmission of thrust, adopts single thrust bearing (9), (4).
This linear stepping motor control mode is identical with common composite stepper motor, owing to adopt screw mandrel-nut structure, the utility model thrust is big.Adopt the rotor of sliding screw pair of nut form, the power failure latching characteristics is arranged; Adopt the rotor of ballscrew nut fitting form, efficient height, dynamic response are fast, and the pitch that reduces screw pair can improve stepping accuracy.
The utility model has following advantage compared to existing technology:
1 simple in structure, cost is low, easy to use.
2 thrusts are big, and the stepping accuracy height has the power failure auto-lock function.
Claims (3)
1 linear stepping motor comprises that motor stator contains the line bag, and rotor, single thrust bearing, electric motor end cap is characterized in that the middle part of rotor is equipped with feed screw nut pair, and the nut two ends respectively are supported on the electric motor end cap by single thrust bearing.
2 linear stepping motors as claimed in claim 1 is characterized in that the rotor silicon steel sheet is fixed on the nut of sliding screw, and screw mandrel and nut are slidingly matched through internal thread.
3 linear stepping motors as claimed in claim 1 is characterized in that the rotor silicon steel sheet is fixed on the nut of ball screw, and ball screw rolls with nut ball in groove and cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96232612 CN2251221Y (en) | 1996-01-25 | 1996-01-25 | Linear step electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96232612 CN2251221Y (en) | 1996-01-25 | 1996-01-25 | Linear step electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2251221Y true CN2251221Y (en) | 1997-04-02 |
Family
ID=33909522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96232612 Expired - Fee Related CN2251221Y (en) | 1996-01-25 | 1996-01-25 | Linear step electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2251221Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873051B (en) * | 2009-04-27 | 2012-05-30 | 上海鸣志电器有限公司 | Stepping linear motor |
| CN102756707A (en) * | 2011-04-29 | 2012-10-31 | Trw汽车股份有限公司 | Buckle adjuster for safety belt system of vehicle |
| CN102820730A (en) * | 2012-09-19 | 2012-12-12 | 哈尔滨工业大学 | Permanent magnet brushless direct current linear motor with structure of rotor screw |
| CN102891584A (en) * | 2011-07-22 | 2013-01-23 | Lg伊诺特有限公司 | Linear step motor |
| CN103204150A (en) * | 2013-03-26 | 2013-07-17 | 清华大学 | Integrated vehicle brake actuation device using center valve mechanism |
| CN111872727A (en) * | 2020-08-14 | 2020-11-03 | 常州市德速机械有限公司 | Self-driven screw nut pair |
-
1996
- 1996-01-25 CN CN 96232612 patent/CN2251221Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873051B (en) * | 2009-04-27 | 2012-05-30 | 上海鸣志电器有限公司 | Stepping linear motor |
| CN102756707A (en) * | 2011-04-29 | 2012-10-31 | Trw汽车股份有限公司 | Buckle adjuster for safety belt system of vehicle |
| CN102891584A (en) * | 2011-07-22 | 2013-01-23 | Lg伊诺特有限公司 | Linear step motor |
| CN102891584B (en) * | 2011-07-22 | 2016-08-24 | Lg伊诺特有限公司 | Linear stepping motor |
| CN102820730A (en) * | 2012-09-19 | 2012-12-12 | 哈尔滨工业大学 | Permanent magnet brushless direct current linear motor with structure of rotor screw |
| CN103204150A (en) * | 2013-03-26 | 2013-07-17 | 清华大学 | Integrated vehicle brake actuation device using center valve mechanism |
| CN111872727A (en) * | 2020-08-14 | 2020-11-03 | 常州市德速机械有限公司 | Self-driven screw nut pair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |