CN104497543A - Shell of small and special electrical machine and application of shell - Google Patents
Shell of small and special electrical machine and application of shell Download PDFInfo
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- CN104497543A CN104497543A CN201410775653.7A CN201410775653A CN104497543A CN 104497543 A CN104497543 A CN 104497543A CN 201410775653 A CN201410775653 A CN 201410775653A CN 104497543 A CN104497543 A CN 104497543A
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Abstract
The invention belongs to the technical field of electrical machine processing and discloses a shell of a small and special electrical machine. The shell is prepared from the following raw materials in parts by weight: 100-120 parts of polyphenylether resin, 40-50 parts of polyvinyl chloride, 30-40 parts of styrene-butadiene rubber, 25-30 parts of polycarbonate, 18-20 parts of polyethylene glycol terephthalate, 15-18 parts of chlorinated paraffin, 12-15 parts of glyceryl tristearate, 8-10 parts of polybenzimidazole, 8-10 parts of ethylene-octylene copolymer, 8-10 parts of silicon carbide, 5-7 parts of silicon nitride, 4-5 parts of white carbon black, 3-4 parts of talcum powder, 2-3 parts of triphenyl phosphate and 1-2 parts of antimony trioxide. The shell of the small and special electrical machine, disclosed by the invention, has the advantages of high mechanical properties, good electrical insulation properties, good flame retardance, good corrosion resistance, good heat dissipating performance and the like.
Description
Technical field
The present invention relates to motor processing technique field, be specifically related to a kind of micromachine housing and application thereof.
Background technology
Micromachine (small and special electrical machine) is that volume, capacity are less, the motor of output rating generally below hundreds of watts and the special motor of purposes, performance and requirement for environmental conditions.The miniature specific type of electric machine of full name, is called for short micromotor.Be usually used in Controlling System, realize the detection of dynamoelectric signal or energy, resolve, amplify, perform or the function such as conversion, or for gearing load, also can be used as the AC and DC power supply of equipment.Micromachine essentially consist is similar to common electric machine, comprises the parts such as stator, rotor, armature winding, brush and shell, but structural Case is outer compact.Although micromotor small volume, but its composition is similar with common electric machine, comprise shell, rotor, stator, reverser, brush etc., wherein micromotor shell requires that mechanical property is high, electrical insulation capability good, good flame resistance, corrosion resistance and good and perfect heat-dissipating.
Prior art patent CN103396612A discloses a kind of micromotor shell modified polypropylene material, this material possesses certain mechanical property and flame retardant properties, but corrosion resistance nature and heat dispersion inadequate, insulating property also have much room for improvement, and the use of this polythene material of above-mentioned drawbacks limit is promoted.So now in the urgent need to a kind of high-performance sheating material being applied to micromachine, namely improve the insulating property of micro-motor shell, corrosion resistance nature and heat dispersion.
Summary of the invention
The object of the invention is the many defects solving micromachine housing in prior art, through lot of experiments and exploration, change existing housing raw material composition and preparation method, a kind of micromachine housing is provided, this housing possesses the advantages such as mechanical property is high, electrical insulation capability good, good flame resistance, corrosion resistance and good and perfect heat-dissipating, and preparation technology's simple possible, is applicable to suitability for industrialized production.
To achieve these goals, technical scheme of the present invention realizes in the following way:
A kind of micromachine housing, it is prepared from by the raw material of following weight part:
Polyphenylene oxide resin 100-120 part, polyvinyl chloride 40-50 part, styrene-butadiene rubber(SBR) 30-40 part, polycarbonate 25-30 part, polyethylene terephthalate 18-20 part, clorafin 15-18 part, Tristearoylglycerol 12-15 part, polybenzimidazole 8-10 part, POE (POE) 8-10 part, silicon carbide 8-10 part, silicon nitride 5-7 part, white carbon black 4-5 part, talcum powder 3-4 part, triphenylphosphate 2-3 part, antimonous oxide 1-2 part;
The preparation method of above-mentioned micromachine housing comprises the steps:
Step 1) take each raw material for standby according to weight part;
Step 2) first by silicon carbide, silicon nitride, white carbon black and talcum powder grind to form 100-200 object powder respectively, then mix, obtain properties-correcting agent;
Step 3) by polyphenylene oxide resin, polyvinyl chloride, styrene-butadiene rubber(SBR), polycarbonate, polyethylene terephthalate, clorafin, Tristearoylglycerol, polybenzimidazole, POE (POE) and triphenylphosphate, add in the injection screw of injection moulding machine, then add step 2) properties-correcting agent prepared, be heated to molten state;
Step 4) to step 3) in injection screw molten state raw material in add antimonous oxide and obtain mixture;
Step 5) by the screw extruding of injection moulding machine step 4) mixture implantation temperature be in 50-100 DEG C of mould, the injection pressure of mixture is 60-70Mpa, then at 60-70Mpa pressurize 20-30min, last naturally cooling, mould die sinking pickup and get final product.
The present invention obtains beneficial effect and mainly comprises: micromachine housing prepared by the present invention possesses the advantages such as mechanical property is high, electrical insulation capability good, good flame resistance, corrosion resistance and good and perfect heat-dissipating, and preparation technology's simple possible, is applicable to suitability for industrialized production; The each material combination of the present invention is reasonable, and by adding multiple properties-correcting agent raw material in the composite, substantially increases heat dispersion, insulating property and corrosion resistance nature.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the application's specific embodiment, carry out clearly, intactly describing to the present invention, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1
A kind of micromachine housing, it is prepared from by the raw material of following weight part:
Polyphenylene oxide resin 100 parts, polyvinyl chloride 40 parts, 30 parts, styrene-butadiene rubber(SBR), polycarbonate 25 parts, polyethylene terephthalate 18 parts, clorafin 15 parts, Tristearoylglycerol 12 parts, polybenzimidazole 8 parts, POE (POE) 8 parts, 8 parts, silicon carbide, silicon nitride 5 parts, white carbon black 4 parts, talcum powder 3 parts, triphenylphosphate 2 parts, antimonous oxide 1 part;
The preparation method of above-mentioned micromachine housing comprises the steps:
Step 1) take each raw material for standby according to weight part;
Step 2) first by silicon carbide, silicon nitride, white carbon black and talcum powder grind to form 100 object powder respectively, then mix, obtain properties-correcting agent;
Step 3) by polyphenylene oxide resin, polyvinyl chloride, styrene-butadiene rubber(SBR), polycarbonate, polyethylene terephthalate, clorafin, Tristearoylglycerol, polybenzimidazole, POE (POE) and triphenylphosphate, add in the injection screw of injection moulding machine, then add step 2) properties-correcting agent prepared, be heated to molten state;
Step 4) to step 3) in injection screw molten state raw material in add antimonous oxide and obtain mixture;
Step 5) by the screw extruding of injection moulding machine step 4) mixture implantation temperature be in 70 DEG C of moulds, the injection pressure of mixture is 60Mpa, then at 60Mpa pressurize 20min, last naturally cooling, mould die sinking pickup and get final product.
Embodiment 2
A kind of micromachine housing, it is prepared from by the raw material of following weight part:
Polyphenylene oxide resin 120 parts, polyvinyl chloride 50 parts, 40 parts, styrene-butadiene rubber(SBR), polycarbonate 30 parts, polyethylene terephthalate 20 parts, clorafin 18 parts, Tristearoylglycerol 15 parts, polybenzimidazole 10 parts, POE (POE) 10 parts, 10 parts, silicon carbide, silicon nitride 7 parts, white carbon black 5 parts, talcum powder 4 parts, triphenylphosphate 3 parts, antimonous oxide 2 parts;
The preparation method of above-mentioned micromachine housing comprises the steps:
Step 1) take each raw material for standby according to weight part;
Step 2) first by silicon carbide, silicon nitride, white carbon black and talcum powder grind to form 200 object powder respectively, then mix, obtain properties-correcting agent;
Step 3) by polyphenylene oxide resin, polyvinyl chloride, styrene-butadiene rubber(SBR), polycarbonate, polyethylene terephthalate, clorafin, Tristearoylglycerol, polybenzimidazole, POE (POE) and triphenylphosphate, add in the injection screw of injection moulding machine, then add step 2) properties-correcting agent prepared, be heated to molten state;
Step 4) to step 3) in injection screw molten state raw material in add antimonous oxide and obtain mixture;
Step 5) by the screw extruding of injection moulding machine step 4) mixture implantation temperature be in 100 DEG C of moulds, the injection pressure of mixture is 70Mpa, then at 70Mpa pressurize 30min, last naturally cooling, mould die sinking pickup and get final product.
Embodiment 3
The performance test of micro-motor shell prepared by the embodiment of the present invention 1 and embodiment 2, concrete test result and reference standard are in table 1 and table 2:
Table 1
Corrosion resistance nature test chart 2
Conclusion: micromachine housing prepared by the present invention possesses mechanical property and electrical insulation capability is good, corrosion resistance nature and heat conductivility also significantly improve simultaneously, meet relevant criterion completely; And preparation technology's simple possible, is applicable to suitability for industrialized production.
Above in conjunction with specific embodiments to invention has been exemplary description; obvious realization of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all in protection scope of the present invention without to improve.
Claims (2)
1. a micromachine housing, is characterized in that, described housing is prepared from by the raw material of following weight part:
Polyphenylene oxide resin 100-120 part, polyvinyl chloride 40-50 part, styrene-butadiene rubber(SBR) 30-40 part, polycarbonate 25-30 part, polyethylene terephthalate 18-20 part, clorafin 15-18 part, Tristearoylglycerol 12-15 part, polybenzimidazole 8-10 part, POE 8-10 part, silicon carbide 8-10 part, silicon nitride 5-7 part, white carbon black 4-5 part, talcum powder 3-4 part, triphenylphosphate 2-3 part, antimonous oxide 1-2 part.
2. housing according to claim 1, is characterized in that the preparation method of described housing comprises the steps:
Step 1) take each raw material for standby according to weight part;
Step 2) first by silicon carbide, silicon nitride, white carbon black and talcum powder grind to form the powder about 100-200 order respectively, then mix, and obtain properties-correcting agent;
Step 3) by polyphenylene oxide resin, polyvinyl chloride, styrene-butadiene rubber(SBR), polycarbonate, polyethylene terephthalate, clorafin, Tristearoylglycerol, polybenzimidazole, POE and triphenylphosphate, add in the injection screw of injection moulding machine, then add step 2) properties-correcting agent prepared, be heated to molten state;
Step 4) to step 3) in injection screw molten state raw material in add antimonous oxide and obtain mixture;
Step 5) by the screw extruding of injection moulding machine step 4) mixture implantation temperature be in 50-100 DEG C of mould, the injection pressure of mixture is 60-70Mpa, then at 60-70Mpa pressurize about 20-30min, last naturally cooling, mould die sinking pickup and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775653.7A CN104497543B (en) | 2014-12-08 | 2014-12-08 | A kind of micromachine housing and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775653.7A CN104497543B (en) | 2014-12-08 | 2014-12-08 | A kind of micromachine housing and application thereof |
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| CN104497543A true CN104497543A (en) | 2015-04-08 |
| CN104497543B CN104497543B (en) | 2016-02-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906978A (en) * | 2016-05-27 | 2016-08-31 | 安徽胜利精密制造科技有限公司 | High heat dissipation composition for laptop shell preparation and preparation method thereof |
| CN106467624A (en) * | 2015-08-23 | 2017-03-01 | 国网山东省电力公司临沂供电公司 | Ammeter box with over-pressure safety device and its key |
| CN108250518A (en) * | 2018-03-02 | 2018-07-06 | 合肥思博特软件开发有限公司 | A kind of computer mainframe shell material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201119148Y (en) * | 2007-11-05 | 2008-09-17 | 谢贤皇 | Electronic device shell |
| CN103839621A (en) * | 2014-03-11 | 2014-06-04 | 重庆市南方阻燃电线电缆厂 | Anti-twisting highly-flexible cable |
-
2014
- 2014-12-08 CN CN201410775653.7A patent/CN104497543B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201119148Y (en) * | 2007-11-05 | 2008-09-17 | 谢贤皇 | Electronic device shell |
| CN103839621A (en) * | 2014-03-11 | 2014-06-04 | 重庆市南方阻燃电线电缆厂 | Anti-twisting highly-flexible cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467624A (en) * | 2015-08-23 | 2017-03-01 | 国网山东省电力公司临沂供电公司 | Ammeter box with over-pressure safety device and its key |
| CN105906978A (en) * | 2016-05-27 | 2016-08-31 | 安徽胜利精密制造科技有限公司 | High heat dissipation composition for laptop shell preparation and preparation method thereof |
| CN108250518A (en) * | 2018-03-02 | 2018-07-06 | 合肥思博特软件开发有限公司 | A kind of computer mainframe shell material and preparation method thereof |
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| CN104497543B (en) | 2016-02-10 |
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