CN208028745U - A kind of stator core electrostatic powder coating tool - Google Patents
A kind of stator core electrostatic powder coating tool Download PDFInfo
- Publication number
- CN208028745U CN208028745U CN201721864547.1U CN201721864547U CN208028745U CN 208028745 U CN208028745 U CN 208028745U CN 201721864547 U CN201721864547 U CN 201721864547U CN 208028745 U CN208028745 U CN 208028745U
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- China
- Prior art keywords
- stator core
- shaft
- positioning tooth
- optical axis
- central shaft
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- Electrostatic Spraying Apparatus (AREA)
Abstract
A kind of stator core electrostatic powder coating tool, including two shafts, two annular insulation sleeves, a central shaft and a positioning tooth set；The inner end of the shaft has annular shoulder and internal thread counterbore, and outer end is hemispherical dome structure；With optical axis, both ends with the external screw thread with light shaft coaxle in the middle part of the central shaft；Positioning tooth set center has through-hole, is evenly equipped with rectangular teeth in outer circle；The positioning tooth set is sleeved on by through-hole in the middle part of central shaft on optical axis, and stator core is sleeved on the outer diameter of positioning tooth set, and rectangular teeth is installed in the tooth socket of stator core；Annular insulation sleeve is set on the shoulder of the shaft, and annular insulation sleeve outer end face is higher than or the inner face of concordant shaft；The central shaft both ends are connected and fixed by external screw thread and the internal thread counterbore of the shaft inner end respectively, make the both ends of the surface of stator core respectively tight against on the outer end face of annular insulation sleeve.The utility model makes stator core surface form one layer of uniform and thin insulating coating.
Description
Technical field
The utility model belongs to electric machine iron core insulation coating technology field, and in particular to a kind of stator core electrostatic powder painting
Apply tooling.
Background technology
Core part axial magnetic component structure is pole shoe type magnetic pole in space flight inertia device, has complicated, ruler
Very little feature small, number of magnetic poles is more, winding space is small, copper factor is high.Electrostatic powder can only be used between iron core winding and iron core matrix
The insulating coating insulation that end coating is formed.
Electrostatic powder coating is to make negative electrical charge on the powdery paints particle band of atomization using high-voltage electrostatic field, and in electrostatic field
Under the action of fly to the iron core surface of ground connection, certain thickness powder cures in iron core melt surface, formed one layer it is uniform and thin
Insulating coating.To obtain ideal insulating coating, matching tooling is needed.
Utility model content
The utility model provides a kind of stator core electrostatic powder coating tool, make stator core surface formed it is one layer thin and
Uniform insulating coating.
Technical solution used by the utility model is：A kind of stator core electrostatic powder coating tool, including two axis
Bar, two annular insulation sleeves, a central shaft and a positioning tooth set；The inner end of the shaft has annular shoulder and internal thread
Counterbore, outer end are hemispherical dome structure；With optical axis, both ends with the external screw thread with light shaft coaxle in the middle part of the central shaft；It is described
Positioning tooth set center has through-hole, is evenly equipped with rectangular teeth in outer circle；The positioning tooth set is sleeved on by through-hole in the middle part of central shaft
On optical axis, stator core is sleeved on the outer diameter of positioning tooth set, and rectangular teeth is installed in the tooth socket of stator core；The shaft
Shoulder on be set with annular insulation sleeve, and annular insulation sleeve outer end face is higher than or the inner face of concordant shaft；The central shaft
Both ends are connected and fixed by external screw thread and the internal thread counterbore of the shaft inner end respectively, so that the both ends of the surface of stator core is distinguished tight
Be against annular insulation sleeve outer end face it is close on.
The through-hole is clearance fit with optical axis；The rectangular teeth is clearance fit with tooth socket；The insulation sleeve and annular
Shoulder is interference fit.
The thickness of the length of optical axis≤positioning tooth set in the middle part of the central shaft.
The outer diameter of the annular insulation sleeve is more than the internal diameter of stator core.
Compared to the prior art, the utility model has the advantage that：A kind of stator core electrostatic powder coating tool,
Shaft makes stator core moving in rotation when rotating, and has the function that uniform adsorption powdery paints and ground connection；Positioning tooth set protection
The magnetic pole gap of stator core and the effect of ground connection；Insulation sleeve is the non-conductor of heat and electricity, when induction coil heats
It waits and can ensure that the enough stator core end faces of heat that iron core vortex effect generates are melted close to the powder of tooling；Finally meet stator
The coating of iron core electrostatic powder is to Functional Requirements such as tooling ground connection, protections.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is sectional view at A-A in Fig. 1；
Fig. 3 is sectional view at B-B in Fig. 1.
Specific implementation mode
The utility model is described in detail in 1-3 and specific implementation mode below in conjunction with the accompanying drawings.
A kind of stator core electrostatic powder coating tool, including two shafts, 1, two annular insulation sleeve, 2, central shafts
3 and positioning tooth set 4；It is hemispherical junction that the inner end of the shaft 1, which has annular shoulder 1-2 and internal thread counterbore 1-3, outer end,
Structure 1-1；3 middle part of the central shaft is with optical axis 3-1, both ends with the external screw thread 3-2 coaxial with optical axis 3-1；The positioning tooth
It covers 4 centers and is evenly equipped with rectangular teeth 4-2 with through-hole 4-1, in outer circle；The positioning tooth set 4 is sleeved on central shaft by through-hole 4-1
On 3 middle part optical axis 3-1, stator core 5 is sleeved on the outer diameter of positioning tooth set 4, and rectangular teeth 4-2 is installed on stator core 5
In tooth socket 5-1；It is set with annular insulation sleeve 2 on the shoulder 1-2 of the shaft 1, and annular 2 outer end face of insulation sleeve is higher than or concordantly
The inner face of shaft 1；3 both ends of the central shaft pass through the internal thread counterbore 1-3 of external screw thread 3-2 and 1 inner end of the shaft respectively
Be connected and fixed, make the both ends of the surface of stator core 5 respectively tight against the outer end face in annular insulation sleeve 2 it is close on.
The through-hole 4-1 and optical axis 3-1 is clearance fit；The rectangular teeth 4-2 and tooth socket 5-1 is clearance fit；It is described
Insulation sleeve 2 and annular shoulder 1-2 is interference fit.The thickness of the length of 3 middle part optical axis 3-1 of the central shaft≤positioning tooth set 4.
The outer diameter of the annular insulation sleeve 2 is more than the internal diameter of stator core 5.
Application method：The tooling is mounted on horizontal electrostatic powder coating fluid bed, the hemispherical of 1 outer end of shaft is made
Structure 1-1 is contacted with grounding guide, and applying fluid bed by horizontal electrostatic powder drives shaft 1 at the uniform velocity to rotate, and then makes stator
Iron core 5 at the uniform velocity rotates together, and electrostatic powder makes negative electrical charge on the powdery paints particle band of atomization under high voltage electrostatic field, and
The surface of 5 iron core of stator core of ground connection is flown under the action of electrostatic field, certain thickness powder is solid in iron core melt surface
Change, forms one layer of uniform and thin insulating coating.It is at the uniform velocity rotated by stator core 5, it is ensured that each surface portion of iron core is uniformly inhaled
Attached powdery paints.
Above-described embodiment, the only preferred embodiment of the utility model not are used for limiting the implementation model of the utility model
It encloses, therefore all equivalent variations done with content described in the utility model claims, the utility model right should all be included in and wanted
Within the scope of asking.
Claims (4)
1. a kind of stator core electrostatic powder coating tool, it is characterised in that：Including two shafts (1), two annular insulation sleeves
(2), a central shaft (3) and a positioning tooth set (4)；The inner end of the shaft (1) has annular shoulder (1-2) and internal thread
Counterbore (1-3), outer end are hemispherical dome structure (1-1)；Have that optical axis (3-1), both ends have and optical axis in the middle part of the central shaft (3)
(3-1) coaxial external screw thread (3-2)；Positioning tooth set (4) center has through-hole (4-1), is evenly equipped with rectangular teeth (4- in outer circle
2)；The positioning tooth set (4) is sleeved on by through-hole (4-1) in the middle part of central shaft (3) on optical axis (3-1), stator core (5) suit
On the outer diameter of positioning tooth set (4), and rectangular teeth (4-2) is installed in the tooth socket (5-1) of stator core (5)；The shaft (1)
Shoulder (1-2) on be set with annular insulation sleeve (2), and annular insulation sleeve (2) outer end face is higher than or the inner end of concordant shaft (1)
Face；Central shaft (3) both ends are connect by external screw thread (3-2) with the internal thread counterbore (1-3) of the shaft (1) inner end respectively
It is fixed, make the both ends of the surface of stator core (5) respectively tight against on the outer end face of annular insulation sleeve (2).
2. a kind of stator core electrostatic powder coating tool according to claim 1, it is characterised in that：Through-hole (the 4-
1) it is clearance fit with optical axis (3-1)；The rectangular teeth (4-2) is clearance fit with tooth socket (5-1)；The insulation sleeve (2) with
Annular shoulder (1-2) is interference fit.
3. a kind of stator core electrostatic powder coating tool according to claim 1 or 2, it is characterised in that：The center
The thickness of length≤positioning tooth set (4) of optical axis (3-1) in the middle part of axis (3).
4. a kind of stator core electrostatic powder coating tool according to claim 3, it is characterised in that：The annular insulation
The outer diameter for covering (2) is more than the internal diameter of stator core (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864547.1U CN208028745U (en) | 2017-12-27 | 2017-12-27 | A kind of stator core electrostatic powder coating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864547.1U CN208028745U (en) | 2017-12-27 | 2017-12-27 | A kind of stator core electrostatic powder coating tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208028745U true CN208028745U (en) | 2018-10-30 |
Family
ID=63900853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864547.1U Active CN208028745U (en) | 2017-12-27 | 2017-12-27 | A kind of stator core electrostatic powder coating tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208028745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037034A (en) * | 2021-02-24 | 2021-06-25 | 北京航天控制仪器研究所 | Iron core hot dipping coating tool, system and method |
-
2017
- 2017-12-27 CN CN201721864547.1U patent/CN208028745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037034A (en) * | 2021-02-24 | 2021-06-25 | 北京航天控制仪器研究所 | Iron core hot dipping coating tool, system and method |
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