CN102097733A - Manufacturing method and plastic sheet discharging clamp of basically-formed type reverser - Google Patents
Manufacturing method and plastic sheet discharging clamp of basically-formed type reverser Download PDFInfo
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- CN102097733A CN102097733A CN 201110045113 CN201110045113A CN102097733A CN 102097733 A CN102097733 A CN 102097733A CN 201110045113 CN201110045113 CN 201110045113 CN 201110045113 A CN201110045113 A CN 201110045113A CN 102097733 A CN102097733 A CN 102097733A
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- sheet discharging
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Abstract
The invention provides a manufacturing method of a basically-formed type reverser. The sheet discharging process of the manufacturing method comprises the step of directly discharging reversing sheets onto through slots of a plastic sheet discharging clamp in sequence, wherein inner raised ribs are arranged between the through slots of the plastic sheet discharging clamp to separate the reversing sheets from one another; and stripping the plastic sheet discharging clamp immediately after the pressing process so as to naturally produce insulating slots between the reversing sheets so that no residual is remained in the insulating slots between the reversing sheets and the basic forming of an excircle, inner hooks and slots between sheets of the reverser is realized. The adopted plastic sheet discharging clamp comprises a hollow cylinder type sheet discharging clamp main body (5), wherein longitudinally separated through slots (6) are arranged on the hollow cylinder type sheet discharging clamp main body, and the inner raised ribs (7) are arranged between the through slots and at the inner side of the hollow cylinder type sheet discharging clamp main body. In the invention, the working efficiency and the finished product rate of reverser are improved; and the quality of the reverser, the circular degree of the excircle, and the dynamic balance performance are improved.
Description
One, technical field
The screening anchor clamps that adopted when the present invention relates to a kind of motor with the manufacture method of commutator and screening operation thereof.
Two, background technology
At present, motor generally adopts the screening formula with the manufacture method of commutator, that is: at first wire rod is carried out rolling, drawing, then the wire rod punching out after the drawing is become the commutator segment monolithic, again through operations such as screening, compacting, curing, car endoporus, turning, groove milling, sanding, polishings, and make 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, can there be burr unavoidably in the insulation tank, the commutator segment dual-side can both be processed and put in place when guaranteeing groove milling, the body part of the body part in commutator segment when design after than groove milling is wide slightly, cause the commutator segment waste of material, and commutator segment lamination insulation layer is narrower slightly than lamination insulation groove, causes commutator segment lamination insulation poor performance; Operations such as hook, groove milling are to leave allowance earlier in turning, the car, carry out fine finishining again, cause the commutator segment waste of material.Simultaneously, because manufacturing procedure is many, positioning reference can't be unified, and causes machining accuracy not reach requirement, thereby has influenced the quality and the dynamic balance 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 body part in commutator segment when design and the manufacture method and the plastics screening anchor clamps thereof of the basic forming formula commutator that the body part behind the finished product is wide, manufacturing procedure is few.
Purpose of the present invention realizes by following technical solution: a kind of manufacture method of basic forming formula commutator, the warm extrusion that comprises wire rod is successively pressed, drawing, and punching out, screening, compacting, curing, car endoporus, sanding, polishing process, described screening operation is directly the commutator segment monolithic to be drained on the groove of plastics screening anchor clamps successively, and has inner convex rib between the groove of these plastics screening anchor clamps and the commutator segment monolithic is separated one by one; In the strip process of carrying out plastics screening anchor clamps behind the described suppression process immediately and naturally generate the insulation tank between the commutator segment, do not have residue, realize the basic forming of groove between the cylindrical of commutator, interior hook, sheet thereby make in the insulation tank between the commutator segment.
The plastics screening anchor clamps that manufacture method adopted according to above-mentioned basic forming formula commutator, comprise open circles column type screening chuck body, on described open circles column type screening chuck body, be provided with the groove of longitudinal separation, and be provided with inner convex rib between the described groove and on the inboard of open circles column type screening chuck body.
After adopting the present invention, because no any residue in the insulation tank (being groove between sheet) between the commutator segment, has 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, and hook, groove milling operation in original insert row mica sheet, turning, the car have been omitted, the commutator segment material can not wasted yet, the thickness of layer slot insulator also can relatively effectively be thickeied between sheet, makes commutator segment lamination insulation performance also effectively improve.Therefore, the present invention can reduce material cost 25-30%, improves stock utilization 25%-30%, save processing cost about 20%, thereby improved operating efficiency and commutator finished product rate, promoted quality, cylindrical circularity and the dynamic balance performance of commutator product.
Four, description of drawings
The present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
The commutator structure schematic diagram that Fig. 1 makes for known original technology.
Fig. 2 for the A of Fig. 1 to view (comprising commutator segment, mica sheet, insulation tank, insulating barrier).
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 commutator segment, insulation tank, insulating barrier).
Fig. 5 is the structural representation of plastics screening anchor clamps of the present invention.
Fig. 6 is drained into schematic diagram on the groove of plastics screening anchor clamps successively for the commutator segment monolithic.
Fig. 7 is the end view of Fig. 6.
Five, embodiment
With reference to Fig. 1, Fig. 2 as can be known, 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) as the insulating barrier width earlier between the sheet between the commutator segment, after the groove milling manufacturing procedure, obtain the insulation tank width B of broad.Narrow slightly (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 high request than insulation tank width to that is to say the insulating barrier width.
The manufacture method of basic forming formula commutator of the present invention, the warm extrusion pressure that comprises wire rod successively (has contained annealing, use the copper material continuous extruder), drawing, and punching out (the wire rod punching out after the drawing soon becomes the commutator segment monolithic), screening, compacting (promptly add moulding compound and carry out compression process), solidify (promptly in baking oven, being cured processing), the car endoporus, sanding, polishing process (and making the commutator finished product), described screening operation is directly the commutator segment monolithic to be drained into successively on the groove of plastics screening anchor clamps (omitting former turning operation thus), and has inner convex rib between the groove of these plastics screening anchor clamps and the commutator segment monolithic is separated one by one (omit former insert row mica sheet thus, the hook operation is promptly processed outer hook thickness in the car); Immediately carry out the strip process of plastics screening anchor clamps and generate insulation tank (omitting former groove milling operation thus) between the commutator segment naturally in (increase) behind the described suppression process, thereby make in the insulation tank between the commutator segment and do not have residue, realize the basic forming of groove between the cylindrical of commutator, interior hook, sheet, generate naturally and the commutator semi-finished product of the basic forming that cylindrical, interior hook and the insulation tank of required commutator finished product is measure-alike; And then be cured, operations such as car endoporus, sanding, omitted hook, groove milling operation in original insert row mica sheet, turning, the car fully.
Wherein, extremely shown in Figure 7 as Fig. 5, plastics screening anchor clamps are to make according to the size of groove between the cylindrical of the commutator of need production, interior hook, sheet, each commutator segment monolithic 8 all is to come on the groove of plastics screening anchor clamps (being that commutator segment has covered this groove) in above-mentioned screening operation, so that the pressing die prodigiosin sees through the groove of plastics screening anchor clamps and directly is buckled on the outer surface of each commutator segment monolithic during suppression process, help guaranteeing the cylindrical circularity of commutator, can omit original turning operation.Owing to be to add moulding compound to carry out compression process in above-mentioned suppression process, the temperature during its compacting is generally at the 160-180 degree, so the time plastics screenings anchor clamps softening and get final product by manually divesting.
Extremely shown in Figure 7 as Fig. 5, the plastics screening anchor clamps that manufacture method adopted according to above-mentioned basic forming formula commutator, comprise open circles column type screening chuck body 5, on described open circles column type screening chuck body 5, be provided with the groove 6 of longitudinal separation, and be provided with inner convex rib 7 between the described groove and on the inboard of open circles column type screening chuck body 5.The commutator segment of commutator comes successively on the described groove and by inner convex rib the commutator segment monolithic is separated one by one.
If wire rod is carried out rolling, drawing, then also need carry out annealing in process.If above-mentioned manufacture method is at the hook commutator, then between car endoporus and sanding operation, increase again mill outer hook (i.e. hook width outside the processing) and bend outside the hook operation; If at tank commutator, then increasing again, above-mentioned manufacture method mills bonding wire groove operation between car endoporus and sanding operation.If above-mentioned manufacture method is reinforced function at band, can in the screening operation, increase insert row reinforcing ring work step again.
As shown in Figure 3, Figure 4, the commutator according to the manufacture method of above-mentioned basic forming formula commutator makes comprises commutator segment 1, moulding compound 2 (having saved mica sheet), the insulating barrier width between the described commutator segment 1 identical with the insulation tank width (promptly equating).Can obtain the insulation tank width D of same broad after the strip process of plastics screening anchor clamps, that is to say that the body part when body part behind the commutator segment finished product is with design is wide, commutator segment lamination insulation layer width equates with the insulation tank width; Perhaps (width 9 between the outer hook of commutator, as shown in Figure 4) specially being processed as greater than the insulation tank width (be E＞D), thereby the commutator lamination insulation can reach high requirement with commutator segment lamination insulation layer width.Because commutator segment lamination insulation groove is a straight forming, the insulated lengths of commutator can maximally utilise, and so just can shorten the length of whole commutator relatively, with the economical with materials cost.
Claims (2)
1. the manufacture method of a basic forming formula commutator, the warm extrusion that comprises wire rod is successively pressed, drawing, and punching out, screening, compacting, curing, car endoporus, sanding, polishing process, it is characterized in that: described screening operation is directly the commutator segment monolithic to be drained on the groove of plastics screening anchor clamps successively, and has inner convex rib between the groove of these plastics screening anchor clamps and the commutator segment monolithic is separated one by one; In the strip process of carrying out plastics screening anchor clamps behind the described suppression process immediately and naturally generate the insulation tank between the commutator segment, do not have residue, realize the basic forming of groove between the cylindrical of commutator, interior hook, sheet thereby make in the insulation tank between the commutator segment.
2. the plastics screening anchor clamps that manufacture method adopted of basic forming formula commutator according to claim 1, comprise open circles column type screening chuck body (5), it is characterized in that: on described open circles column type screening chuck body (5), be provided with the groove (6) of longitudinal separation, and be provided with inner convex rib (7) between the described groove and on the inboard of open circles column type screening chuck body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045113 CN102097733A (en) | 2011-02-23 | 2011-02-23 | Manufacturing method and plastic sheet discharging clamp of basically-formed type reverser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045113 CN102097733A (en) | 2011-02-23 | 2011-02-23 | Manufacturing method and plastic sheet discharging clamp of basically-formed type reverser |
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| Publication Number | Publication Date |
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| CN102097733A true CN102097733A (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110045113 Pending CN102097733A (en) | 2011-02-23 | 2011-02-23 | Manufacturing method and plastic sheet discharging clamp of basically-formed type reverser |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001401A (en) * | 2011-09-16 | 2013-03-27 | 深圳市凯中精密技术股份有限公司 | Assembled platy commutator processing method |
| CN103545694A (en) * | 2013-06-27 | 2014-01-29 | 宁波胜克换向器有限公司 | Planar all-plastic commutator processing method |
| CN103762474A (en) * | 2014-01-28 | 2014-04-30 | 浙江长城换向器有限公司 | Method for manufacturing stepped plane type commutator and stepped plane type commutator thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089762A (en) * | 1993-12-12 | 1994-07-20 | 瑞安安固电器有限公司 | The slice arranging apparatus of commutator and screening technology thereof |
| CN2674718Y (en) * | 2003-12-17 | 2005-01-26 | 瑞安市博宇电器有限公司 | Combined clamp for mfg. commutator |
| CN101494350A (en) * | 2009-02-25 | 2009-07-29 | 宁波华瑞电器有限公司 | Method for manufacturing commutator |
-
2011
- 2011-02-23 CN CN 201110045113 patent/CN102097733A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089762A (en) * | 1993-12-12 | 1994-07-20 | 瑞安安固电器有限公司 | The slice arranging apparatus of commutator and screening technology thereof |
| CN2674718Y (en) * | 2003-12-17 | 2005-01-26 | 瑞安市博宇电器有限公司 | Combined clamp for mfg. commutator |
| CN101494350A (en) * | 2009-02-25 | 2009-07-29 | 宁波华瑞电器有限公司 | Method for manufacturing commutator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001401A (en) * | 2011-09-16 | 2013-03-27 | 深圳市凯中精密技术股份有限公司 | Assembled platy commutator processing method |
| CN103545694A (en) * | 2013-06-27 | 2014-01-29 | 宁波胜克换向器有限公司 | Planar all-plastic commutator processing method |
| CN103545694B (en) * | 2013-06-27 | 2015-11-18 | 宁波胜克换向器有限公司 | A kind of planar all-plastic commutator processing method |
| CN103762474A (en) * | 2014-01-28 | 2014-04-30 | 浙江长城换向器有限公司 | Method for manufacturing stepped plane type commutator and stepped plane type commutator thereof |
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Application publication date: 20110615 |