CN101931155B - Manufacturing method of commutator containing dissolution process and product obtained by same - Google Patents
Manufacturing method of commutator containing dissolution process and product obtained by same Download PDFInfo
- Publication number
- CN101931155B CN101931155B CN2010102358751A CN201010235875A CN101931155B CN 101931155 B CN101931155 B CN 101931155B CN 2010102358751 A CN2010102358751 A CN 2010102358751A CN 201010235875 A CN201010235875 A CN 201010235875A CN 101931155 B CN101931155 B CN 101931155B
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- China
- Prior art keywords
- commutator
- lysate
- dissolution process
- commutator segment
- commutator segments
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004090 dissolution Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 239000002985 plastic film Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000000304 warm extrusion Methods 0.000 claims abstract description 4
- 239000006166 lysate Substances 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 12
- 238000012216 screening Methods 0.000 claims description 9
- 230000001629 suppression Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 239000011265 semifinished product Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 238000007517 polishing process Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 abstract description 10
- 238000005498 polishing Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 3
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 16
- 238000013461 design Methods 0.000 description 7
- 239000010445 mica Substances 0.000 description 6
- 229910052618 mica group Inorganic materials 0.000 description 6
- 239000000206 moulding compound Substances 0.000 description 6
- 238000003475 lamination Methods 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 229940125782 compound 2 Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The invention discloses a manufacturing method of a commutator containing a dissolution process. The method sequentially comprises the following procedures of carrying out warm extrusion, drawing, punching, arranging commutator segments, pressing, curing, lathing an inner hole, performing cylindrical turning, sanding and polishing. In the procedure of arranging the commutator segments, firstly the commutator segments are arranged, and then plastic sheets are inserted among the commutator segments; and the dissolution process is added between the pressing procedure and the curing procedure, wherein the plastic sheets in the semi-finished commutator product through the pressing procedure are fully dissolved with dissolving liquid, thus no residues are remained in insulation tanks among the commutator segments. The manufacturing method of the invention omits the original slot-milling procedure, avoids waste of the commutator segment material, effectively improves insulating property among the commutator segments, prevents the commutator segments skipping and flying and prolongs service life of the commutator, thus improving yield rate of the commutator product, lowering production cost, and promoting quality and technical performances of the product.
Description
One, technical field
The present invention relates to a kind of motor with manufacturing approach of commutator and products thereof.
Two, background technology
At present; Motor is with the manufacturing approach widespread usage screening formula of commutator; That is: at first wire rod is carried out rolling, drawing, annealing; The wire rod punching out that to anneal then becomes the commutator segment monolithic, again through operations such as screening, compacting, curing, car endoporus, turning, groove milling, sanding, polishings, and processes the commutator finished product.Wherein: the screening operation is that employing cylinder core slice arranging apparatus is a skeleton; Embed the commutator segment monolithic in the groove of this slice arranging apparatus one by one by same direction; (raw material are that mica accounts for 92% with mica sheet again; Glue content accounts for 8%) be inserted between each commutator segment, then with tightening up thing banding (can abbreviate embedding row commutator segment, insert row mica sheet as).The groove milling operation is that the insulation tank between the commutator segment adopts milling cutter to process, and can have burr unavoidably in the insulation tank; Simultaneously, the commutator segment dual-side can both be processed and put in place when guaranteeing groove milling, and the body part of the body part during the commutator segment design after than groove milling is wide slightly, causes the commutator segment waste of material; Commutator segment lamination insulation part is narrower slightly than lamination insulation groove, causes commutator segment lamination insulation poor performance, thereby has influenced the quality and the technical performance of commutator product.
Three, summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, and provide do not have burr in a kind of insulation tank that can make between the commutator segment, the manufacturing approach of the commutator that contains dissolution process that the body part in commutator segment when design and the body part behind the finished product are wide and products thereof.
The object of the invention is realized through following technical scheme: a kind of manufacturing approach that contains the commutator of dissolution process; Comprise that successively warm extrusion is pressed, drawing; And punching out, screening, compacting, curing, car endoporus, turning, sanding, polishing process; Described screening operation is to arrange commutator segment, insert row plastic sheet between commutator segment more earlier; Between described suppression process and curing process, increase dissolution process, use the said plastic sheet of lysate in will the commutator semi-finished product behind suppression process to dissolve fully, making in the insulation tank between the commutator segment does not have residue.
Commutator according to the manufacturing approach of the above-mentioned commutator that contains dissolution process makes comprises commutator segment, moulding compound, and body part and the body part behind the finished product during described commutator segment design are wide.
After adopting the present invention; Because no any residual plastic sheet in the insulation tank (being groove between sheet) between the commutator segment; Have only the moulding compound that links to each other with the commutator internal structure, thereby increased the contact area of commutator segment and moulding compound, make between the two that contact strength is reliable, adhesive force and firmness be improved; Eliminate the commutator segment film dancing that commutator produces, film flying phenomenon in motor runs up process, prolonged the useful life of commutator.Simultaneously; Because body part and the commutator segment body part behind the finished product measure-alike (wide) during the commutator segment design; Omitted original groove milling operation; The commutator segment material can not wasted yet, and the thickness of layer slot insulator is also relatively effectively thickeied between sheet, makes commutator segment lamination insulation performance obtain effective raising yet.Therefore, the present invention has compared with prior art improved the rate of finished products of commutator product, has reduced production cost, and has promoted the quality and the technical performance of product.
Four, description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is made further detailed description.
The commutator structure sketch map that Fig. 1 makes for known original technology.
Fig. 2 for the A of Fig. 1 to view (comprising groove between commutator segment, mica sheet, sheet).
The structural representation of the commutator that Fig. 3 makes for the present invention.
Fig. 4 for the C of Fig. 3 to view (comprising groove between commutator segment, sheet).
Five, embodiment
Can know that with reference to Fig. 1, Fig. 2 the commutator that is made by known original technology comprises commutator segment 1, moulding compound 2, mica sheet 3, groove 4 adopts thin mica sheet 3 (former width is b) between sheet, after the groove milling manufacturing procedure, obtains the insulation tank width B of broad.(be b＜B), the body part of the body part during the commutator segment design after than groove milling is wide slightly, causes the insulation between commutator segment not reach requirement than insulation tank narrow width to that is to say the insulating barrier width.
The present invention contains the manufacturing approach of the commutator of dissolution process; Comprise that successively (wire rod) warm extrusion pressure (has contained annealing; Use copper material continuous extruder), drawing; And punching out (be about to wire rod punching out become the commutator segment monolithic), screening, compacting (promptly add moulding compound and carry out compression process), solidify (promptly in baking oven, being cured processings), car endoporus, turning, sanding, polishing process (and making the commutator finished product), described screening operation is to arrange commutator segment, insert row plastic sheet between commutator segment more earlier; Between described suppression process and curing process, increase dissolution process; Use lysate will the commutator semi-finished product behind suppression process in the said plastic sheet of (between the commutator segment) dissolve fully; Making in the insulation tank between the commutator segment does not have residue, and then gets into curing process.The insulation tank between generation commutator segment naturally owing to increased that dissolution process dissolves the plastic sheet between the commutator segment fully, the Therefore, omited original groove milling operation.
If wire rod is carried out rolling, drawing, then also need carry out annealing in process again.If above-mentioned manufacturing approach, then increases hook outside the car (processing outer hook thickness) again to the hook commutator between turning and sanding operation, mill outer hook (hook width outside processing) and bend outside the hook operation; If to tank commutator, then increasing again, above-mentioned manufacturing approach mills bonding wire groove operation between turning and sanding operation.
Wherein: described lysate is carrene liquid (its concentration is about 99.99%), and the material of described plastic sheet is a Merlon, is insulating material; Concrete dissolution process comprises that thick dissolving with smart dissolving handle, and its operating procedure is successively: (I) thick dissolving handled: open the refrigeration switch earlier, will be thick broadly separate the temperature inside the box and be transferred to-2～-30 ℃ (case lid); Then, with said commutator half product thick broad the separating in the case of packing into, the lysate and accomplish to flood of reinjecting, and cover case lid (sealing) completely; Then lysate liquid medicine is heated to 35～38 ℃, and kept 1～3 hour; (II) smart dissolving handled: open the refrigeration switch earlier, separate the temperature inside the box and be transferred to-2～-30 ℃ (case lid) essence is broad; Then, will move smart broad the separating in the case of packing into from the thick broad case of separating through thick commutator half product that dissolves after handling, the lysate and accomplish to flood of reinjecting, and cover case lid (sealing) completely; Then lysate liquid medicine is heated to 35～38 ℃, and kept 30～90 minutes, until said plastic sheet is dissolved fully.Lysate can carry out filtration treatment to use repeatedly.
Like Fig. 3, shown in Figure 4; The commutator (can be described as overall plastic commutator again) that makes according to the manufacturing approach of the above-mentioned commutator that contains dissolution process; Comprise commutator segment 1, moulding compound 2, body part and the body part behind the finished product when described commutator segment designs are wide.Promptly adopt the plastic sheet (be Merlon insulating material) identical between the commutator segment of this commutator earlier, by dissolving fully, obtain the insulation tank width D of same broad through this plastic sheet behind the dissolution process with the width of insulation tank 5.That is to say that the body part when body part behind the commutator segment finished product is with design is wide, the insulating barrier width is identical with the insulation tank width, and the insulation between commutator segment can reach high requirement.
Claims (2)
1. manufacturing approach that contains the commutator of dissolution process; Comprise that successively warm extrusion is pressed, drawing; And punching out, screening, compacting, curing, car endoporus, turning, sanding, polishing process; It is characterized in that: described screening operation is to arrange commutator segment, insert row plastic sheet between commutator segment more earlier; Between described suppression process and curing process, increase dissolution process, use the said plastic sheet of lysate in will the commutator semi-finished product behind suppression process to dissolve fully, making in the insulation tank between the commutator segment does not have residue; Concrete dissolution process comprises that slightly dissolving processing handles with essence is molten, and its operating procedure is successively: (I) slightly dissolve processing: the switch that freezes is opened by elder generation, will slightly broadly separate the temperature inside the box and be transferred to-2～-30 ℃; Then, with said commutator semi-finished product thick broad the separating in the case of packing into, the lysate and accomplish to flood of reinjecting, and cover case lid completely; Then lysate is heated to 35～38 ℃, and kept 1～3 hour; (II) smart dissolving handled: open the refrigeration switch earlier, separate the temperature inside the box and be transferred to-2～-30 ℃ essence is broad; Then, will move smart broad the separating in the case of packing into from the thick broad case of separating through the thick commutator semi-finished product that dissolve after handling, the lysate and accomplish to flood of reinjecting, and cover case lid completely; Then lysate is heated to 35～38 ℃, and kept 30～90 minutes, until said plastic sheet is dissolved fully.
2. the manufacturing approach that contains the commutator of dissolution process according to claim 1 is characterized in that: described lysate is a carrene liquid, and the material of described plastic sheet is a Merlon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102358751A CN101931155B (en) | 2010-07-22 | 2010-07-22 | Manufacturing method of commutator containing dissolution process and product obtained by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102358751A CN101931155B (en) | 2010-07-22 | 2010-07-22 | Manufacturing method of commutator containing dissolution process and product obtained by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101931155A CN101931155A (en) | 2010-12-29 |
| CN101931155B true CN101931155B (en) | 2012-05-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102358751A Active CN101931155B (en) | 2010-07-22 | 2010-07-22 | Manufacturing method of commutator containing dissolution process and product obtained by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101931155B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529247A (en) * | 1978-08-18 | 1980-03-01 | Matsushita Electric Ind Co Ltd | Manufacture of molded commutator |
| JPS6146141A (en) * | 1984-08-10 | 1986-03-06 | Janome Denki Kk | Manufacture of magnetic core having opposed surfaces of motor |
| JP3559171B2 (en) * | 1998-08-10 | 2004-08-25 | 三菱電機株式会社 | Commutator for rotating electric machine and method of manufacturing the same |
| CN2408596Y (en) * | 2000-01-24 | 2000-11-29 | 宋竹杨 | Commutator |
| KR100518801B1 (en) * | 2003-07-29 | 2005-10-05 | 삼성광주전자 주식회사 | Method of a commutator for motor |
| CN1328829C (en) * | 2005-06-10 | 2007-07-25 | 浙江长城换向器有限公司 | Manufacturing method of commutator and its product |
| CN100487990C (en) * | 2007-05-29 | 2009-05-13 | 宁波胜克换向器有限公司 | Process for manufacturing commutator |
-
2010
- 2010-07-22 CN CN2010102358751A patent/CN101931155B/en active Active
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| Publication number | Publication date |
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| CN101931155A (en) | 2010-12-29 |
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Address after: No. 2555 Tongpan Road, Shangwang Street, Rui'an City, Wenzhou City, Zhejiang Province, 325000 Patentee after: Zhejiang Greatwall Commutator Co.,Ltd. Address before: 325200 No. 511, development zone, Ruian Economic Development Zone, Zhejiang, China Patentee before: ZHEJIANG GREATWALL COMMUTATOR Co.,Ltd. |