CN208063032U - High concentricity stepper motor - Google Patents
High concentricity stepper motor Download PDFInfo
- Publication number
- CN208063032U CN208063032U CN201721714064.3U CN201721714064U CN208063032U CN 208063032 U CN208063032 U CN 208063032U CN 201721714064 U CN201721714064 U CN 201721714064U CN 208063032 U CN208063032 U CN 208063032U
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- China
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- rear end
- bearing
- high concentricity
- tooling
- endoporus
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Abstract
The utility model is related to a kind of high concentricity stepper motors, including drive end bearing bracket, rear end cap, drive end bearing bracket bearing, bearing of rear end cover, bearing holder (housing, cover) and stator core, the high concentricity stepper motor is installed by high concentricity tooling, and the high concentricity tooling penetrates drive end bearing bracket brearing bore or internal hole of front end cover, stator core endoporus and rear end cap endoporus successively.Compared with prior art, the utility model has the requirement for greatly reducing stator core and end cap, reduces cost and technique.
Description
Technical field
The utility model is related to a kind of stepper motors, more particularly, to a kind of high concentricity stepper motor.
Background technology
Existing stepper motor usually passes through forward and backward end cap inner stopper and stator core inner hole or male half coupling and stator
Iron core outer circle coordinates, and ensures the concentricity of stepper motor, therefore to stator core and the relevant verticality of end cap, the depth of parallelism, plane
Degree and concentricity and matching requirements are very high, cause production cost and technological requirement degree high.
By retrieval, China Patent Publication No. CN205811706U discloses a kind of motor casing of high concentricity, including machine
Shell, stator module, rotor assembly and motor shaft, one end fixed stator component of motor shaft, other end fixed rotor component, electricity
Arbor is concentric shafts, is stator assembly and rotor assembly respectively arranged on the both sides of casing, the stator module of the patent, motor shaft and
Rotor assembly is in concentric axle construction, has higher concentricity, improves electrical machinery life, reduces vibrations, but this is for stator iron
The requirement of core and end cap is very high, to there are it is of high cost the problems such as.
Utility model content
The purpose of this utility model is exactly to provide a kind of high concentricity to overcome the problems of the above-mentioned prior art
Stepper motor.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of high concentricity stepper motor, including drive end bearing bracket, rear end cap, drive end bearing bracket bearing, bearing of rear end cover, bearing holder (housing, cover) and
Stator core, which is characterized in that the high concentricity stepper motor is installed by high concentricity tooling, the high concentricity
Tooling penetrates drive end bearing bracket brearing bore or internal hole of front end cover, stator core endoporus and rear end cap endoporus successively.
Preferably, the rear end cap be equipped with the high matched endoporus of concentricity tooling, the high concentricity tooling according to
It is secondary to penetrate drive end bearing bracket brearing bore, stator core endoporus, rear end cap endoporus.
Preferably, the drive end bearing bracket and rear end cap are connect by welding manner with stator core.
Preferably, the rear end cap is located by connecting with bearing of rear end cover component by press fitting, wherein bearing of rear end cover group
Part includes bearing of rear end cover and bearing holder (housing, cover).
Preferably, the drive end bearing bracket be equipped with the high matched endoporus of concentricity tooling, the high concentricity tooling according to
It is secondary to penetrate internal hole of front end cover, stator core endoporus and rear end cap endoporus.
Preferably, the drive end bearing bracket is located by connecting with drive end bearing bracket bearing by press fitting.
Preferably, the high concentricity tooling is the tooling being made of one piece by least three cylinders, Mei Geyuan
The diameter of cylinder is identical as the diameter of bore of corresponding insertion.
Preferably, the number of the cylinder is 3-5.
Compared with prior art, the utility model has the following advantages：
1, the utility model ensures the concentric of stepper motor by concentricity tooling and Hole honing or brearing bore cooperation
Degree, greatly reduces the requirement of stator core and end cap, reduces cost and technique, complete high concentricity stepper motor.
2, the utility model under same motor length dimension, takes since end cap is thinned and rotor effective length increases
Obtain the output of high-torque.
3, circular configuration can be used in the utility model, substantially reduces motor and is taken up space.
4, the utility model can more conveniently use big design bearing, greatly prolong the stepper motor service life.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the high concentricity tooling of the utility model.
Wherein 1 it is drive end bearing bracket, 2 be rear end cap, 3 be drive end bearing bracket bearing, 4 be bearing of rear end cover, 5 is stator core, 7, axis
Bearing sleeve, 6 be high concentricity tooling, 61 be cylinder.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is a part of the embodiment of the utility model, rather than is all implemented
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained should all belong to the range of the utility model protection.
Embodiment 1
As shown in Figure 1, a kind of high concentricity stepper motor, drive end bearing bracket 1, rear end cap 2, drive end bearing bracket bearing 3, bearing of rear end cover
4, bearing holder (housing, cover) 7 and stator core 5, the high concentricity stepper motor ensure that the height is with one heart by high concentricity tooling 6
Degree tooling 6 penetrates drive end bearing bracket brearing bore, stator core endoporus and rear end cap endoporus successively.The rear end cap 2 passes through welding
Mode is connect with stator core 5.The drive end bearing bracket 1 is connect by welding manner with stator core 5.The drive end bearing bracket 1 with
The press fitting of drive end bearing bracket bearing 3 is located by connecting.The rear end cap 2 is located by connecting with the press fitting of bearing of rear end cover component.The bearing
Component is located by connecting by bearing holder (housing, cover) 7 and bearing press mounting.
The high concentricity tooling is the tooling being made of one piece by three cylinders 61, the diameter of each cylinder
It is identical as the diameter of bore of corresponding insertion.
Embodiment 2
As shown in Figure 1, the high concentricity stepper motor is ensured by high concentricity tooling 6, the high concentricity
Tooling 6 penetrates internal hole of front end cover, stator core endoporus and rear end cap endoporus successively.The drive end bearing bracket 1 is pressed with drive end bearing bracket bearing 3
Dress is located by connecting.The rear end cap 2 is connect by welding manner with stator core 5.The drive end bearing bracket 1 passes through welding manner
It is connect with stator core 5.The rear end cap 2 is located by connecting with the press fitting of bearing of rear end cover component.The bearing assembly is by axis
Bearing sleeve 7 and bearing press mounting are located by connecting.
The high concentricity tooling is the tooling being made of one piece by three cylinders 61, the diameter of each cylinder
It is identical as the diameter of bore of corresponding insertion.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this practicality
Novel protection domain should be subject to the protection scope in claims.
Claims (5)
1. a kind of high concentricity stepper motor, including drive end bearing bracket, rear end cap, drive end bearing bracket bearing, bearing of rear end cover, bearing holder (housing, cover) and fixed
Sub- iron core, which is characterized in that the high concentricity stepper motor is installed by high concentricity tooling, the high concentricity work
Dress penetrates drive end bearing bracket brearing bore or internal hole of front end cover, stator core endoporus and rear end cap endoporus successively；The drive end bearing bracket and
Rear end cap is connect by welding manner with stator core；The rear end cap is connected with bearing of rear end cover component by being pressed positioning
It connects, wherein bearing of rear end cover component includes bearing of rear end cover and bearing holder (housing, cover)；The drive end bearing bracket passes through press fitting with drive end bearing bracket bearing
It is located by connecting.
2. motor according to claim 1, which is characterized in that the rear end cap is equipped with matched with high concentricity tooling
Endoporus, the high concentricity tooling penetrate drive end bearing bracket brearing bore, stator core endoporus, rear end cap endoporus successively.
3. motor according to claim 1, which is characterized in that the drive end bearing bracket is equipped with matched with high concentricity tooling
Endoporus, the high concentricity tooling penetrate internal hole of front end cover, stator core endoporus and rear end cap endoporus successively.
4. motor according to claim 1, which is characterized in that the high concentricity tooling is by least three cylinders
The tooling being made of one piece, the diameter of each cylinder are identical as the diameter of bore of corresponding insertion.
5. motor according to claim 4, which is characterized in that the number of the cylinder is 3-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714064.3U CN208063032U (en) | 2017-12-11 | 2017-12-11 | High concentricity stepper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714064.3U CN208063032U (en) | 2017-12-11 | 2017-12-11 | High concentricity stepper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208063032U true CN208063032U (en) | 2018-11-06 |
Family
ID=63997930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721714064.3U Active CN208063032U (en) | 2017-12-11 | 2017-12-11 | High concentricity stepper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208063032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217322A (en) * | 2020-01-20 | 2021-01-12 | 江苏鼎智智能控制科技股份有限公司 | Stator module and injection molding stepping motor using same |
-
2017
- 2017-12-11 CN CN201721714064.3U patent/CN208063032U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217322A (en) * | 2020-01-20 | 2021-01-12 | 江苏鼎智智能控制科技股份有限公司 | Stator module and injection molding stepping motor using same |
| CN112217322B (en) * | 2020-01-20 | 2022-03-01 | 江苏鼎智智能控制科技股份有限公司 | Stator module and injection molding stepping motor using same |
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