CN102738980A - Processing method of insulated rotor in direct-current permanent magnet brushless motor without position sensor - Google Patents
Processing method of insulated rotor in direct-current permanent magnet brushless motor without position sensor Download PDFInfo
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- CN102738980A CN102738980A CN2011100934667A CN201110093466A CN102738980A CN 102738980 A CN102738980 A CN 102738980A CN 2011100934667 A CN2011100934667 A CN 2011100934667A CN 201110093466 A CN201110093466 A CN 201110093466A CN 102738980 A CN102738980 A CN 102738980A
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Abstract
The invention relates to a processing method of an insulated rotor in a direct-current permanent magnet brushless motor without a position sensor, wherein the processing method comprises a step of rotor shaft processing, a step of rotor yoke processing, a step of rotor sleeve processing and a step of nylon sleeve processing. After the step of rotor shaft processing and the step of rotor yoke processing are completed, the rotor yoke is installed on the rotor shaft and magnetic steels are pasted on the rotor yoke; the rotor sleeve is sleevedly arranged outside the rotor yoke and the magnetic steels; an injection molding method is utilized to carry out plastic packaging on the rotor sleeve, the rotor yoke and the magnetic steels; the outer ring of the rotor sleeve is processed; a mechanical processing method is utilized to obtain nylon sleeves from a nylon bar as a raw material; and the nylon sleeves are sleevedly arranged at the rotor shaft and are bonded at two ends of the rotor sleeve and the rotor yoke; and a mechanical cutting method is utilized to carry out processing on the outer rings of the nylon sleeves. According to the invention, space of the rotor of the direct-current permanent magnet brushless motor without a position sensor is filled with a sealed insulator and the nylon sleeves are arranged at two ends of the rotor yoke, so that water flows can be stopped from entering the rotor sleeve to realize sealing and insulation of the rotor; therefore, the motor with the processed rotor can work in an underwater environment for a long time.
Description
Technical field:
The present invention relates to electricity field, relate in particular to motor, particularly DC Brushless Motor, concrete is the processing method of insulation rotor in a kind of permanent-magnetic brush-less DC position-sensor-free motor.
Background technology:
DC Brushless Motor is widely used in producing and life.Wherein, the part DC Brushless Motor works in humidity, occasion that acid-base value is high, even works in underwater environment, therefore need seal motor.In the prior art, the insulation of rotor is to realize through being immersed in the oil.But oil leaks easily, influences sealing effectiveness, and simultaneously, the heat that produces in the motor operation course is difficult for distributing, and can cause seal failure when overheated.
Summary of the invention:
The object of the present invention is to provide the processing method of insulation rotor in a kind of permanent-magnetic brush-less DC position-sensor-free motor, the processing method of insulation rotor will solve the technical problem that the insulation technology of motor rotor in the prior art is undesirable, be easy to generate failure of insulation in the described this permanent-magnetic brush-less DC position-sensor-free motor.
The processing method of insulation rotor comprises the step of the step of the step of a processing rotor axle, a processing rotor yoke, a processing rotor cover and the step of a processing nylon jacket in this permanent-magnetic brush-less DC position-sensor-free motor of the present invention; After the step of the step of described processing rotor axle and processing rotor yoke is accomplished; Rotor yoke is installed on the armature spindle, and on rotor yoke, pastes magnet steel, then the rotor cover is set in outside rotor yoke and the magnet steel; Wherein, Step outside the rotor cover is set in rotor yoke and magnet steel utilizes injection moulding process with rotor cover, rotor yoke and magnet steel plastic packaging after accomplishing, and utilizes the cylindrical of machine cut method processing rotor cover then; In the step of described processing nylon jacket; Utilizing machining process that the raw material nylon rod is cut into needs length and forms nylon jacket along its axial drilling, is set in nylon jacket on the armature spindle then and is combined in the two ends of rotor cover and rotor yoke, utilizes the cylindrical of machine cut method processing nylon jacket afterwards.
Further, utilize in the process of injection moulding process with rotor cover, rotor yoke and magnet steel plastic packaging, plastics are filled in the gap between rotor cover, rotor yoke and the magnet steel described.
Further, in the step of described processing rotor axle, processing spline and screw thread on armature spindle.
Further, on armature spindle, process after spline and the screw thread chromium plating on armature spindle.
Further, on rotor yoke, paste after the step completion of magnet steel, utilize the mechanical means processing excircles.
The present invention and prior art are compared, and its effect is actively with tangible.The present invention fills the sealed insulation body in the rotor of DC Brushless Motor, at the two ends of rotor yoke nylon jacket is set, and can prevent that current from getting in the rotor cover, realize the sealed insulation of rotor, but the product long-term work is in underwater environment.
Description of drawings:
Fig. 1 is the flow chart of the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor of the present invention.
Fig. 2 is the axial section sketch map of the rotor among the embodiment of the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor of the present invention.
Fig. 3 is the radial section sketch map of the rotor among the embodiment of the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor of the present invention.
Embodiment:
Embodiment 1:
As shown in Figure 1, the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor of the present invention comprises the step of the step of the step of a processing rotor axle, a processing rotor yoke, a processing rotor cover and the step of a processing nylon jacket; After the step of the step of described processing rotor axle and processing rotor yoke is accomplished; Rotor yoke is installed on the armature spindle, and on rotor yoke, pastes magnet steel, then the rotor cover is set in outside rotor yoke and the magnet steel; Wherein, Step outside the rotor cover is set in rotor yoke and magnet steel utilizes injection moulding process with rotor cover, rotor yoke and magnet steel plastic packaging after accomplishing, and utilizes the cylindrical of machine cut method processing rotor cover then; In the step of described processing nylon jacket; Utilizing machining process that the raw material nylon rod is cut into needs length and forms nylon jacket along its axial drilling, is set in nylon jacket on the armature spindle then and is combined in the two ends of rotor cover and rotor yoke, utilizes the cylindrical of machine cut method processing nylon jacket afterwards.
Further, utilize in the process of injection moulding process with rotor cover, rotor yoke and magnet steel plastic packaging, plastics are filled in the gap between rotor cover, rotor yoke and the magnet steel described.
Further, in the step of described processing rotor axle, processing spline and screw thread on armature spindle.
Further, on armature spindle, process after spline and the screw thread chromium plating on armature spindle.
Further, on rotor yoke, paste after the step completion of magnet steel, utilize the mechanical means processing excircles.
As shown in Figures 2 and 3; In one embodiment of the invention; Rotor is made up of the magnet steel 4 of armature spindle 1, rotor yoke 2,3 and two above numbers of rotor cover, and described armature spindle 1 is arranged on the axle center of rotor yoke 2, and described magnet steel 4 is distributed on the excircle of rotor yoke 2 along circumferential commentaries on classics equal angles; Coaxial and the fixed cover of described rotor cover 3 and rotor yoke 2 is located at outside the magnet steel 4; Between the gap of rotor cover 3 and rotor yoke 2, all be filled with plastics 5 between adjacent two magnet steel 4 arbitrarily, rotor overlaps 3, all be coated with nylon jacket 6 on the two ends end face of rotor yoke 2 and magnet steel 4, and nylon jacket 6 is set in armature spindle 1.
Concrete, in one embodiment of the invention, armature spindle 1 is obtained by No. 304 stainless steel material processing with rotor cover 3, and rotor yoke 2 is obtained by No. 45 steel processing.Magnet steel 4 is obtained by NdFeB material processing.
Claims (5)
1. the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor; Comprise the step of the step of the step of a processing rotor axle, a processing rotor yoke, a processing rotor cover and the step of a processing nylon jacket; After the step of the step of described processing rotor axle and processing rotor yoke is accomplished, rotor yoke is installed on the armature spindle, and on rotor yoke, pastes magnet steel; Then the rotor cover is set in outside rotor yoke and the magnet steel; It is characterized in that: the step outside the rotor cover is set in rotor yoke and magnet steel utilizes injection moulding process with rotor cover, rotor yoke and magnet steel plastic packaging after accomplishing, and utilizes the cylindrical of machine cut method processing rotor cover then; In the step of described processing nylon jacket; Utilizing machining process that the raw material nylon rod is cut into needs length and forms nylon jacket along its axial drilling, is set in nylon jacket on the armature spindle then and is combined in the two ends of rotor cover and rotor yoke, utilizes the cylindrical of machine cut method processing nylon jacket afterwards.
2. the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor as claimed in claim 1; It is characterized in that: utilize in the process of injection moulding process with rotor cover, rotor yoke and magnet steel plastic packaging described, plastics are filled in the gap between rotor cover, rotor yoke and the magnet steel.
3. the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor as claimed in claim 1 is characterized in that: in the step of described processing rotor axle, and processing spline and screw thread on armature spindle.
4. the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor as claimed in claim 3 is characterized in that: on armature spindle, process after spline and the screw thread chromium plating on armature spindle.
5. the processing method of insulation rotor in the permanent-magnetic brush-less DC position-sensor-free motor as claimed in claim 4 is characterized in that: on rotor yoke, paste after the step completion of magnet steel, utilize the mechanical means processing excircles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100934667A CN102738980A (en) | 2011-04-14 | 2011-04-14 | Processing method of insulated rotor in direct-current permanent magnet brushless motor without position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100934667A CN102738980A (en) | 2011-04-14 | 2011-04-14 | Processing method of insulated rotor in direct-current permanent magnet brushless motor without position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102738980A true CN102738980A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100934667A Pending CN102738980A (en) | 2011-04-14 | 2011-04-14 | Processing method of insulated rotor in direct-current permanent magnet brushless motor without position sensor |
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| CN (1) | CN102738980A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180456A (en) * | 1995-04-03 | 1998-04-29 | 纳幕尔杜邦公司 | Injection molded motor assembly and method of fabrication |
| CN1305257A (en) * | 2001-01-18 | 2001-07-25 | 合肥工业大学 | Plastic capsulation submerged motor and its capsulation material and technology |
| CN1958706A (en) * | 2006-10-16 | 2007-05-09 | 中山大学 | Plastic package material of AC permanent magnet submersible motor, plastic package technique and application |
| CN101478186A (en) * | 2007-12-31 | 2009-07-08 | 通用电气公司 | Permanent magnet assembly and method of manufacturing same |
| CN201789351U (en) * | 2010-09-10 | 2011-04-06 | 衡阳市旭日电机制造有限责任公司 | Flameproof generator permanent-magnetic-pole rotor |
| CN102005840A (en) * | 2009-08-31 | 2011-04-06 | 欧德克斯有限公司 | Rotor shaft |
-
2011
- 2011-04-14 CN CN2011100934667A patent/CN102738980A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180456A (en) * | 1995-04-03 | 1998-04-29 | 纳幕尔杜邦公司 | Injection molded motor assembly and method of fabrication |
| CN1305257A (en) * | 2001-01-18 | 2001-07-25 | 合肥工业大学 | Plastic capsulation submerged motor and its capsulation material and technology |
| CN1958706A (en) * | 2006-10-16 | 2007-05-09 | 中山大学 | Plastic package material of AC permanent magnet submersible motor, plastic package technique and application |
| CN101478186A (en) * | 2007-12-31 | 2009-07-08 | 通用电气公司 | Permanent magnet assembly and method of manufacturing same |
| CN102005840A (en) * | 2009-08-31 | 2011-04-06 | 欧德克斯有限公司 | Rotor shaft |
| CN201789351U (en) * | 2010-09-10 | 2011-04-06 | 衡阳市旭日电机制造有限责任公司 | Flameproof generator permanent-magnetic-pole rotor |
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Application publication date: 20121017 |