CN203632476U - Out-of-step prevention structure for step motor - Google Patents
Out-of-step prevention structure for step motor Download PDFInfo
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- CN203632476U CN203632476U CN201320449304.7U CN201320449304U CN203632476U CN 203632476 U CN203632476 U CN 203632476U CN 201320449304 U CN201320449304 U CN 201320449304U CN 203632476 U CN203632476 U CN 203632476U
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- stepping motor
- magnetic switch
- motor
- face
- out structure
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Abstract
The utility model discloses an out-of-step prevention structure for a step motor, which comprises a step motor provided with a motor shaft, an encoder and a control device, wherein the encoder is located at one end of the step motor; the encoder comprises a rotating magnet and magnetic switches matched with the rotating magnet; the rotating magnet sleeves the motor shaft and rotates along with the motor shaft; the magnetic switches are arranged on the end surface of the step motor; the magnetic switches are located at positions corresponding to the rotating magnet; and the step motor and the magnet switches are respectively connected with the control device. By adopting the above structure, out-of-step can be prevented for the step motor, the structure is simple, the cost is low, the structure can be realized by carrying out processing on the existing step motor, a new motor does not need to be produced additionally, universality is strong, and reliability is strong.
Description
Technical field
The utility model relates to stepping motor technical field, is specifically related to the anti-step-out structure of stepping motor.
Background technology
Current motor major part both domestic and external is two kinds of stepping motor and servomotors.Servomotor is functional, but expensive.Stepping motor low price, but poor-performing.Stepping motor can accurately arrive precalculated position as obstacle, but in the time having obstacle or moment to exceed stepping motor moment of torsion, stepping motor there will be step-out phenomenon.After step out of stepping motor, just cannot reach precalculated position, even there will be the phenomenon such as positioning, mechanical coordinate skew, processing work is scratched or broken, cause the waste of producer's fund, resource, manpower.
Utility model content
The purpose of this utility model is to disclose the anti-step-out structure of stepping motor, solved the problem that step-out phenomenon easily appears in stepping motor.
For achieving the above object, the utility model adopts following technical scheme:
The anti-step-out structure of stepping motor, comprises the stepping motor, encoder and the control device that are provided with motor shaft; Encoder is positioned at stepping motor one end, the magnetic switch that this encoder comprises rotor magnet and coordinates with this rotor magnet; Rotor magnet is sheathed on motor shaft and along with this motor shaft synchronously rotates; Magnetic switch is located on the end face of stepping motor, and magnetic switch is positioned at the position corresponding with rotor magnet; Stepping motor is connected respectively control device with magnetic switch.
Further, described magnetic switch is 90 ° of magnetic switches.
Further, described magnetic switch is fixed on the end face of described stepping motor by fixture.
Further, the end face of described stepping motor is provided with groove, and described magnetic switch is by the end face clamping of this groove and stepping motor.
Further, described magnetic switch connects described control device by electric wire, and described control device connects described stepping motor by electric wire.
Further, described control device is control circuit, CPU or microcontroller.
Further, described motor shaft runs through described stepping motor, is provided with the gear box for transmission outputting torsion at this stepping motor left end, and stepping motor right-hand member is provided with described encoder, and magnetic switch is located on the end face of this stepping motor right-hand member.
Further, described magnetic switch is fixed on the end face of described stepping motor right-hand member by fixture.
Further, the end face of described stepping motor right-hand member is provided with groove, and described magnetic switch is by the end face clamping of this groove and stepping motor right-hand member.
Further, described stepping motor is composite stepper motor.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model adopts above structure, energy accurate Calculation stepping motor movement locus after increase encoder, encoder records stepping motor movement locus and feeds back signal to control device, automatically the pulse number of augmenting loss when control device after step out of stepping motor is to stepping motor, thereby prevent step out of stepping motor, simple in structure, with low cost; Can on existing stepping motor, do processing and can realize this structure, not need to produce in addition new motor, highly versatile, reliability is strong.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described.Apparently, the accompanying drawing in the following describes is only embodiment more of the present utility model.For those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front schematic view of the anti-step-out structure of the utility model stepping motor embodiment;
In figure, 1-stepping motor; 2-motor shaft; 3-encoder; 31-rotor magnet; 32-magnetic switch; 4-gear box.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.
The anti-step-out structure of embodiment mono-stepping motor, comprises the stepping motor 1, encoder 3 and the control device (not shown) that are provided with motor shaft 2 as shown in Figure 1; Encoder 3 is positioned at stepping motor one end, the magnetic switch 32 that this encoder 3 comprises rotor magnet 31 and coordinates with this rotor magnet 31; Rotor magnet 31 is sheathed on motor shaft 2 and along with this motor shaft 2 synchronously rotates; Magnetic switch 32 is located on the end face of stepping motor, and magnetic switch 32 is positioned at the position corresponding with rotor magnet 31; Stepping motor 1 is connected respectively control device with magnetic switch 32.Stepping motor 1 in the present embodiment can be composite stepper motor, and precision is higher.
In the present embodiment, magnetic switch 32 is 90 ° of magnetic switches.Magnetic switch 32 such as, is fixed on the end face of stepping motor by fixture (screw, nut etc.).As the another kind of execution mode of the present embodiment, the end face of stepping motor is provided with groove (not shown), and magnetic switch 32 is by the end face clamping of this groove and stepping motor.
In the present embodiment, magnetic switch 32 connects control device by electric wire, and control device connects described stepping motor 1 by electric wire.Control device is control circuit, CPU or microcontroller.
As to further improvement of this embodiment, motor shaft 2 runs through stepping motor 1, is provided with the gear box 4 for transmission outputting torsion at this stepping motor left end, and stepping motor right-hand member is provided with encoder 3, and magnetic switch 32 is located on the end face of this stepping motor right-hand member.Now magnetic switch 32 is fixed on by fixture on the end face of described stepping motor right-hand member; Or the end face of stepping motor right-hand member is provided with groove, magnetic switch 32, by the end face clamping of this groove and stepping motor right-hand member, adopts this interface arrangment, is convenient to install and change.
Other structure of the anti-step-out structure of the present embodiment stepping motor is referring to prior art.
As further illustrating the present embodiment, its operation principle is now described: signal is exported to stepping motor 1 by control device, motor shaft 2 starts rotation, rotor magnet 31 is also along with motor shaft 2 rotates, magnetic switch 32 and rotor magnet 31 coordinate, thereby the revolution of motor shaft 2 is fed back to control device, when control device after step-out can be to stepping motor 1 output signal, automatically increase the pulse number of compensating missing, thereby prevent stepping motor 1 step-out.
The utility model is not limited to above-mentioned execution mode, if various changes of the present utility model or modification are not departed to spirit and scope of the present utility model; If within these changes and modification belong to claim of the present utility model and equivalent technologies scope, the utility model is also intended to comprise these changes and modification.
Claims (10)
1. the anti-step-out structure of stepping motor, is characterized in that: comprise the stepping motor, encoder and the control device that are provided with motor shaft; Encoder is positioned at stepping motor one end, the magnetic switch that this encoder comprises rotor magnet and coordinates with this rotor magnet; Rotor magnet is sheathed on motor shaft and along with this motor shaft synchronously rotates; Magnetic switch is located on the end face of stepping motor, and magnetic switch is positioned at the position corresponding with rotor magnet; Stepping motor is connected respectively control device with magnetic switch.
2. the anti-step-out structure of stepping motor as claimed in claim 1, is characterized in that: described magnetic switch is 90 ° of magnetic switches.
3. the anti-step-out structure of stepping motor as claimed in claim 1 or 2, is characterized in that: described magnetic switch is fixed on the end face of described stepping motor by fixture.
4. the anti-step-out structure of stepping motor as claimed in claim 1 or 2, is characterized in that: the end face of described stepping motor is provided with groove, and described magnetic switch is by the end face clamping of this groove and stepping motor.
5. the anti-step-out structure of stepping motor as claimed in claim 1, is characterized in that: described magnetic switch connects described control device by electric wire, described control device connects described stepping motor by electric wire.
6. the anti-step-out structure of stepping motor as claimed in claim 1, is characterized in that: described control device is control circuit, CPU or microcontroller.
7. the anti-step-out structure of stepping motor as claimed in claim 1, it is characterized in that: described motor shaft runs through described stepping motor, be provided with the gear box for transmission outputting torsion at this stepping motor left end, stepping motor right-hand member is provided with described encoder, and magnetic switch is located on the end face of this stepping motor right-hand member.
8. the anti-step-out structure of stepping motor as claimed in claim 7, is characterized in that: described magnetic switch is fixed on the end face of described stepping motor right-hand member by fixture.
9. the anti-step-out structure of stepping motor as claimed in claim 7, is characterized in that: the end face of described stepping motor right-hand member is provided with groove, and described magnetic switch is by the end face clamping of this groove and stepping motor right-hand member.
10. the anti-step-out structure of stepping motor as claimed in claim 1, is characterized in that: described stepping motor is composite stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449304.7U CN203632476U (en) | 2013-07-25 | 2013-07-25 | Out-of-step prevention structure for step motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449304.7U CN203632476U (en) | 2013-07-25 | 2013-07-25 | Out-of-step prevention structure for step motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632476U true CN203632476U (en) | 2014-06-04 |
Family
ID=50818913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320449304.7U Expired - Lifetime CN203632476U (en) | 2013-07-25 | 2013-07-25 | Out-of-step prevention structure for step motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898059A (en) * | 2015-05-29 | 2015-09-09 | 中山明杰自动化科技有限公司 | Permanent magnet claw pole stepping motor function test full-detection machine |
| CN105811821A (en) * | 2016-04-28 | 2016-07-27 | 深圳市保凌影像科技有限公司 | Out-of-step prevention device for stepping motor of high-speed cloud billiard ball machine |
-
2013
- 2013-07-25 CN CN201320449304.7U patent/CN203632476U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898059A (en) * | 2015-05-29 | 2015-09-09 | 中山明杰自动化科技有限公司 | Permanent magnet claw pole stepping motor function test full-detection machine |
| CN105811821A (en) * | 2016-04-28 | 2016-07-27 | 深圳市保凌影像科技有限公司 | Out-of-step prevention device for stepping motor of high-speed cloud billiard ball machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510000 room 206, Xia Yuan Industrial Road, Whampoa District, Guangzhou, Guangdong, 206 Patentee after: GUANGZHOU QIANGQIANG TECHNOLOGY Co.,Ltd. Address before: 510000 307, 308 room 7, Nan Wan community industrial estate, Whampoa District, Guangzhou, Guangdong. Patentee before: GUANGZHOU QQM ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
|
| CX01 | Expiry of patent term |