CN204741396U - Link up a linear stepping motor - Google Patents
Link up a linear stepping motor Download PDFInfo
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- CN204741396U CN204741396U CN201520330320.3U CN201520330320U CN204741396U CN 204741396 U CN204741396 U CN 204741396U CN 201520330320 U CN201520330320 U CN 201520330320U CN 204741396 U CN204741396 U CN 204741396U
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- bearing
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- armature spindle
- screw thread
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Abstract
The utility model discloses a link up a linear stepping motor, including front end housing, rear end cap, stator, rotor, rotor shaft, first bearing, second bearing and lead screw, the one end and the front end housing fixed connection of stator, the other end and the rear end cap fixed connection of stator, the rotor lies in the inside of stator, and the rotor assembling is on the rotor shaft, and first bearing is fixed in the front end housing, and the second bearing is fixed in the rear end cap, and support respectively on first bearing and second bearing at the both ends of rotor shaft, being equipped with axial through -hole on the rotor shaft, being equipped with first section screw thread and second section screw thread on the internal face in the through -hole of rotor shaft, first section screw thread is located the one end of internal face, second section screw thread is located the other end of internal face, the lead screw passes from the rotor shaft, lead screw and epaxial first section screw of rotor and second section threaded connection. The utility model has the characteristics of stability is good.
Description
Technical field
The utility model relates to technical field of motors, is specifically related to a kind of through shaft linear stepping motor.
Background technology
As shown in Figure 1, the structure of existing through motor is: comprise front end housing 1, rear end cap 2, stator 3, rotor 4, armature spindle 5, clutch shaft bearing 6, second bearing 7 and screw mandrel 8, one end of stator 3 is fixedly connected with front end housing 1, the other end of stator 3 is fixedly connected with rear end cap 2, rotor 4 is positioned at the inside of stator 3, rotor 4 is assemblied on armature spindle 5, the two ends of armature spindle 5 are bearing on clutch shaft bearing 6 and the second bearing 7 respectively, clutch shaft bearing 6 is fixed in front end housing 1, second bearing 7 is fixed in rear end cap 2, armature spindle 5 is provided with axial through hole, the internal face in this through hole stage casing is provided with screw thread, screw mandrel 8 passes from armature spindle 5, screw mandrel 8 is threaded with armature spindle 5.
Above-mentioned through motor realizes screw mandrel 8 transmission by section screw thread of in armature spindle 5, and therefore, this syndeton can cause screw mandrel 8 to there is certain radial direction in the course of the work afterwards rocking, can affect the normal use of some motor.
Summary of the invention
For above-mentioned technical problem, the purpose of this utility model is the through shaft linear stepping motor providing a kind of good stability.
The technical scheme solved the problems of the technologies described above is as follows:
Through shaft linear stepping motor, comprise front end housing, rear end cap, stator, rotor, armature spindle, clutch shaft bearing, second bearing and screw mandrel, one end of stator is fixedly connected with front end housing, the other end of stator is fixedly connected with rear end cap, rotor is positioned at the inside of stator, rotor is assemblied on armature spindle, clutch shaft bearing is fixed in front end housing, second bearing is fixed in rear end cap, the two ends of armature spindle are bearing on clutch shaft bearing and the second bearing respectively, described armature spindle is provided with axial through hole, internal face in the through hole of armature spindle is provided with first paragraph screw thread and second segment screw thread, first paragraph screw thread is positioned at one end of described internal face, second segment screw thread is positioned at the other end of described internal face, screw mandrel passes from armature spindle, screw mandrel is threaded with the first paragraph screw thread on armature spindle and second segment.
Described armature spindle comprises body, the first nut, the second nut, and one end of body is connected with the first nut, and the other end of body is connected with the second nut.
One end of body is provided with the first groove, the other end of body is provided with the second groove, the side face of the first nut is provided with the first projection, one end of first nut is inserted into after in body, first projection is embedded in the first groove on body, the side face of the second nut is provided with the second projection, and one end of the second nut is inserted into after in body, and this second projection is embedded in the second groove on body.
The material of the first nut and the second nut is engineering plastics.
Have employed such scheme, the utility model is by the internal face in the through hole of armature spindle arranges first paragraph screw thread and second segment screw thread, after screw mandrel is threaded with the first paragraph screw thread on armature spindle and second segment, the stability of screw mandrel is guaranteed, motor is when carrying out transmission, completely eliminate the radial direction that screw mandrel produces to rock, ensure that the normal work of motor, make the quality of product obtain guarantee.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing motor;
Fig. 2 is the schematic diagram of through shaft linear stepping motor of the present utility model;
Fig. 3 is the structural representation of the utility model armature spindle.
Embodiment
As shown in Figure 2 to Figure 3, through shaft linear stepping motor 10 of the present utility model, comprise front end housing 11, rear end cap 12, stator 13, rotor 14, armature spindle 15, clutch shaft bearing 16, second bearing 17 and screw mandrel 18, one end of stator 13 is fixedly connected with front end housing 11, and the other end of stator 13 is fixedly connected with rear end cap 12, rotor 14 is positioned at the inside of stator 13, rotor 14 is assemblied on armature spindle 15, and clutch shaft bearing 16 is fixed in front end housing 11, and the second bearing 17 is fixed in rear end cap 12.The two ends of armature spindle 15 are bearing on clutch shaft bearing 16 and the second bearing 17 respectively, described armature spindle 15 is provided with axial through hole, internal face in the through hole of armature spindle is provided with first paragraph screw thread and second segment screw thread, first paragraph screw thread is positioned at one end of described internal face, second segment screw thread is positioned at the other end of described internal face, screw mandrel 18 passes from armature spindle, and screw mandrel is threaded with the first paragraph screw thread on armature spindle and second segment.Armature spindle 15 can adopt all-in-one-piece, namely direct on the internal face of its through hole shaping first paragraph screw thread and second segment screw thread.Armature spindle 15 also can adopt split type structure, and this split type structure is as described below:
Described armature spindle 15 comprises body 15a, the first nut 15b, the second nut 15c, and such first paragraph screw thread is located on the first nut 15b, and second segment screw thread is positioned on the second nut 15c.Body 15a adopts metal material to make, and the material of the first nut and the second nut is engineering plastics.One end of body 15a is connected with the first nut 15b, and the other end of body 15a is connected with the second nut 15c.One end of body 15a is provided with the first groove 15d, the other end of body is provided with the second groove 15e, the side face of the first nut 15b is provided with the first protruding 15f, and one end of the first nut 15b is inserted into after in body 15a, and the first protruding 15f is embedded in the first groove 15d on body.The side face of the second nut 15b is provided with the second protruding 15g, and one end of the second nut 15c is inserted into after in body 15a, and this second protruding 15g is embedded in the second groove 15e on body 15a.
Claims (4)
1. through shaft linear stepping motor, comprise front end housing, rear end cap, stator, rotor, armature spindle, clutch shaft bearing, second bearing and screw mandrel, one end of stator is fixedly connected with front end housing, the other end of stator is fixedly connected with rear end cap, rotor is positioned at the inside of stator, rotor is assemblied on armature spindle, clutch shaft bearing is fixed in front end housing, second bearing is fixed in rear end cap, the two ends of armature spindle are bearing on clutch shaft bearing and the second bearing respectively, described armature spindle is provided with axial through hole, it is characterized in that: the internal face in the through hole of armature spindle is provided with first paragraph screw thread and second segment screw thread, first paragraph screw thread is positioned at one end of described internal face, second segment screw thread is positioned at the other end of described internal face, screw mandrel passes from armature spindle, screw mandrel is threaded with the first paragraph screw thread on armature spindle and second segment.
2. through shaft linear stepping motor according to claim 1, is characterized in that: described armature spindle comprises body, the first nut, the second nut, and one end of body is connected with the first nut, and the other end of body is connected with the second nut.
3. through shaft linear stepping motor according to claim 2, it is characterized in that: one end of body is provided with the first groove, the other end of body is provided with the second groove, the side face of the first nut is provided with the first projection, one end of first nut is inserted into after in body, and the first projection is embedded in the first groove on body, and the side face of the second nut is provided with the second projection, one end of second nut is inserted into after in body, and this second projection is embedded in the second groove on body.
4. through shaft linear stepping motor according to claim 2, is characterized in that: the material of the first nut and the second nut is engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330320.3U CN204741396U (en) | 2015-05-20 | 2015-05-20 | Link up a linear stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330320.3U CN204741396U (en) | 2015-05-20 | 2015-05-20 | Link up a linear stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204741396U true CN204741396U (en) | 2015-11-04 |
Family
ID=54423113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520330320.3U Active CN204741396U (en) | 2015-05-20 | 2015-05-20 | Link up a linear stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204741396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437882A (en) * | 2017-08-22 | 2017-12-05 | 宁波鼎祥电器制造有限公司 | A kind of stepping motor |
| CN107437883A (en) * | 2017-08-22 | 2017-12-05 | 宁波鼎祥电器制造有限公司 | Stepper motor |
-
2015
- 2015-05-20 CN CN201520330320.3U patent/CN204741396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437882A (en) * | 2017-08-22 | 2017-12-05 | 宁波鼎祥电器制造有限公司 | A kind of stepping motor |
| CN107437883A (en) * | 2017-08-22 | 2017-12-05 | 宁波鼎祥电器制造有限公司 | Stepper motor |
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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" | ||
| CP03 | "change of name, title or address" |
Address after: No.355, Longjin Road, Lucheng street, Changzhou Economic Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Dingzhi Intelligent Control Technology Co., Ltd Address before: Room 3023, 21c, beidong, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU DINGS' ELECTRICAL & MECHANICAL Co.,Ltd. |