CN212210812U - Novel 20x20mm stepping angle 3-degree hybrid stepping motor - Google Patents
Novel 20x20mm stepping angle 3-degree hybrid stepping motor Download PDFInfo
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- CN212210812U CN212210812U CN202021818746.0U CN202021818746U CN212210812U CN 212210812 U CN212210812 U CN 212210812U CN 202021818746 U CN202021818746 U CN 202021818746U CN 212210812 U CN212210812 U CN 212210812U
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- rotor
- stator
- assembly
- end housing
- subassembly
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- 238000004080 punching Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000001133 acceleration Effects 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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Abstract
The utility model provides a novel 20x20 mm's step angle 3 hybrid step motor has screw rod fixed connection rear end housing, stator module, front end housing assembly, and the rotor subassembly is located stator module, and the bearing of rotor subassembly both sides installation erects respectively in rear end housing and front end housing assembly, and the end and the rotor subassembly of lead screw axle are fixed, and the spiral shell is equipped with the nut on the lead screw axle, and the ripples pad cover is on the lead screw axle, and the ripples pad top supports on front end housing assembly and its corresponding bearing, its characterized in that: a stator core formed by pressing stator punching sheets is arranged in the stator assembly, 8 large teeth are uniformly distributed on the circumference of an inner hole of each stator punching sheet, and the end part of each large tooth is provided with 3 small teeth; the rotor assembly comprises a rotor core formed by pressing rotor punching sheets, and rotor small teeth are uniformly distributed on the outer circle of each rotor punching sheet. The utility model discloses make 20x20 mm's hybrid stepper motor obtain faster response acceleration and great thrust.
Description
Technical Field
The utility model relates to a step motor, specifically speaking are hybrid step motor.
Background
The hybrid stepping motor needs to be used in different occasions, different response acceleration and thrust requirements of customers are met, the current hybrid stepping motor with the step angle of 1.8 degrees is slow in response acceleration, and the thrust of a 7.5-degree PM motor (permanent magnet synchronous motor) is insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel 20x20 mm's step angle 3 hybrid stepper motor, its purpose is to solve prior art's shortcoming, makes 20x20mm hybrid stepper motor obtain faster response acceleration and great thrust.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a novel 20x20 mm's step angle 3 hybrid stepper motor, has screw rod fixed connection rear end cap, stator module, front end housing subassembly, and the rotor subassembly is located stator module, and the bearing of rotor subassembly both sides installation erects respectively in rear end cap and front end housing subassembly, and the end and the rotor subassembly of lead screw axle are fixed, and the spiral shell is equipped with the nut on the lead screw axle, and the ripples pad cover is on the lead screw axle, and the ripples pad top supports on front end housing subassembly and its bearing that corresponds, its characterized in that:
a stator core formed by pressing stator punching sheets is arranged in the stator assembly, 8 large teeth are uniformly distributed on the circumference of an inner hole of each stator punching sheet, and the end part of each large tooth is provided with 3 small teeth;
the rotor assembly comprises a rotor core formed by pressing rotor punching sheets, and rotor small teeth are uniformly distributed on the outer circle of each rotor punching sheet.
The novel 20x20mm step angle 3-degree hybrid stepping motor assembly process comprises the following steps:
1) the stator punching sheets are pressed into a stator core, the stator core is arranged into a framework, an enameled wire is wound, and the stator assembly is formed by shaping;
2) the rotor punching sheets are pressed into a rotor core and assembled into a rotor assembly through a staggered tooth tool;
3) cleaning the inner diameter of the stator component and the outer diameter of the rotor component, and smearing anti-rust oil;
4) assembling a screw shaft onto the rotor assembly, wherein the tail end of the screw shaft is fixed with the rotor assembly by laser welding;
5) assembling two bearings to both ends of the rotor assembly;
6) the rear end cover is assembled on the stator assembly;
7) assembling the whole rotor assembly and a bearing together into a stator semi-finished product comprising a stator assembly and a rear end cover, wherein the rear bearing is erected in the rear end cover;
8) assembling a front end cover assembly and a wave pad, wherein the wave pad is sleeved on a screw rod shaft, then assembling the front end cover assembly on a stator assembly, a front bearing is erected in the front end cover assembly, and the wave pad is propped against the front end cover assembly and a corresponding front bearing;
9) assembling a screw rod, and fixedly connecting the rear end cover, the stator component and the front end cover component by the screw rod;
10) arranging the nut on the screw rod shaft in a threaded manner;
11) adjusting a pre-tightening nut in the front end cover assembly through a tool to enable the wave pad to reach a certain pre-tightening force;
12) and the whole machine tests the insulation withstand voltage and the electrical parameters.
The utility model discloses an useful part lies in:
synchronous pitch angle motor, at the same helical pitch screw rod of motor collocation, when the same pulse is sent out to the controller, 3 hybrid step motor has faster response acceleration than 1.8 hybrid step motor, moreover because hybrid step motor rotor adopts sintering neodymium iron boron magnetic steel, and the PM motor then adopts bonding neodymium iron boron magnetic steel, so have higher thrust performance than 7.5 PM motor.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a perspective view of a rotor sheet of the present invention;
fig. 2 is a perspective view of the stator punching sheet of the present invention;
fig. 3 is an exploded view of the whole assembly of the utility model.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "bottom", and the like as used herein are used in the description to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1:
the utility model discloses rotor punching 180, the circumference equipartition has 30 rotor toothlets on its excircle.
As shown in fig. 2:
the utility model discloses stator punching 100, the circumference equipartition has 8 big teeth 101 on its hole, and every big tooth 101 tip is equipped with 3 toothlets 102.
As shown in fig. 3:
the utility model discloses a novel 20x20 mm's step angle 3 hybrid stepper motor's assembly process, including following step:
1) the stator punching sheet 100 is pressed into a stator core 103, is arranged into a framework, is wound with an enameled wire, is shaped and is assembled into the stator assembly 10;
2) the rotor punching sheet 180 is pressed into a rotor core 183 and assembled into a rotor assembly 18 through a staggered tooth tool;
3) cleaning the inner diameter of the stator assembly 10 and the outer diameter of the rotor assembly 18, and coating antirust oil;
4) assembling the screw shaft 14 to the rotor assembly 18, and fixing the tail end 3 of the screw shaft 14 with the rotor assembly 18 by laser welding;
5) fitting two bearings 8 to either end of the rotor assembly 18;
6) the rear end cap 15 is assembled to the stator assembly 10;
7) assembling the entire rotor assembly 18 together with the bearing 8 into a stator semi-finished product comprising the stator assembly 10 and the rear end cap 15, the rear bearing 8 being bridged within the rear end cap 15;
8) assembling a front end cover assembly 5 and a wave pad 7, sleeving the wave pad 7 on a screw rod shaft 14, assembling the front end cover assembly 5 on a stator assembly 10, erecting a front bearing 8 in the front end cover assembly 5, and propping the wave pad 7 against the front end cover assembly 5 and the corresponding front bearing 8;
9) assembling a screw rod 17, and fixedly connecting the nameplate 16, the rear end cover 15, the stator assembly 10 and the front end cover assembly 5 by using the screw rod 17;
10) screwing the nut 1 on the screw shaft 14;
11) the pre-tightening nut 4 in the front end cover assembly 5 is adjusted through a tool, so that the wave pad 7 reaches a certain pre-tightening force;
12) and the whole machine tests the insulation withstand voltage and the electrical parameters.
The structure of the finally obtained novel 20 × 20mm hybrid stepping motor with a step angle of 3 ° is as follows:
the screw 17 is fixedly connected with the nameplate 16, the rear end cover 15, the stator assembly 10 and the front end cover assembly 5.
A stator core 103 pressed by a stator punching sheet 100 is arranged in the stator assembly 10, 8 large teeth 101 are uniformly distributed on the circumference of an inner hole of the stator punching sheet 100, and 3 small teeth 102 are arranged at the end part of each large tooth 101.
The rotor assembly 18 is located in the stator assembly 10, the rotor assembly 18 includes a rotor core 183 formed by pressing rotor punching sheets 180, and 30 rotor small teeth are uniformly distributed on the outer circumference of the rotor punching sheets 180.
The end 3 of the screw shaft 14 is fixed to the rotor assembly 18 by laser welding, and the screw shaft 14 is screwed with the nut 1.
The wave pad 7 is sleeved on the screw shaft 14, and the wave pad 7 is abutted against the front end cover assembly 5 and the corresponding bearing 8.
For a hybrid stepper motor, the step angle calculation is as follows:
step angle θ 360 °/(m1 × Zr);
wherein:
m 1: running the beat number; m1 ═ k × m; m: number of motor phases, Zr: the number of rotor teeth; typically a two-phase hybrid stepper motor operates at a beat number of 4.
The utility model discloses a step angle 3 step motor, step angle theta is 360 (4) 30 ═ 3 °
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. The utility model provides a novel 20x20 mm's step angle 3 hybrid stepper motor, has screw rod fixed connection rear end cap, stator module, front end housing subassembly, and the rotor subassembly is located stator module, and the bearing of rotor subassembly both sides installation erects respectively in rear end cap and front end housing subassembly, and the end and the rotor subassembly of lead screw axle are fixed, and the spiral shell is equipped with the nut on the lead screw axle, and the ripples pad cover is on the lead screw axle, and the ripples pad top supports on front end housing subassembly and its bearing that corresponds, its characterized in that:
a stator core formed by pressing stator punching sheets is arranged in the stator assembly, 8 large teeth are uniformly distributed on the circumference of an inner hole of each stator punching sheet, and the end part of each large tooth is provided with 3 small teeth;
the rotor assembly comprises a rotor core formed by pressing rotor punching sheets, and rotor small teeth are uniformly distributed on the outer circle of each rotor punching sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818746.0U CN212210812U (en) | 2020-08-27 | 2020-08-27 | Novel 20x20mm stepping angle 3-degree hybrid stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818746.0U CN212210812U (en) | 2020-08-27 | 2020-08-27 | Novel 20x20mm stepping angle 3-degree hybrid stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212210812U true CN212210812U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021818746.0U Active CN212210812U (en) | 2020-08-27 | 2020-08-27 | Novel 20x20mm stepping angle 3-degree hybrid stepping motor |
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| CN (1) | CN212210812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884468A (en) * | 2020-08-27 | 2020-11-03 | 海顿直线电机(常州)有限公司 | Novel 20x20mm hybrid stepping motor with step angle of 3 degrees and assembly process |
-
2020
- 2020-08-27 CN CN202021818746.0U patent/CN212210812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884468A (en) * | 2020-08-27 | 2020-11-03 | 海顿直线电机(常州)有限公司 | Novel 20x20mm hybrid stepping motor with step angle of 3 degrees and assembly process |
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