CN102431122B - Plastic molding processing method and plastic molding processing mold for micro motor reverser - Google Patents
Plastic molding processing method and plastic molding processing mold for micro motor reverser Download PDFInfo
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- CN102431122B CN102431122B CN201010296674.2A CN201010296674A CN102431122B CN 102431122 B CN102431122 B CN 102431122B CN 201010296674 A CN201010296674 A CN 201010296674A CN 102431122 B CN102431122 B CN 102431122B
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- rotating shaft
- micro
- hough
- commutator
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Abstract
The invention discloses a plastic molding processing method and a plastic molding processing mold for a micro motor reverser. When the mold is adopted for plastic molding processing, a pair of Haff blocks is arranged in a die cavity plate, in addition, a die cavity hole is made in a center position of the pair of combined Haff blocks, then, a rotating shaft for forming the micro motor reverser is placed into the die cavity hole in a traditional mode, a reversing sheet is sheathed at the upper end part of the rotating shaft, then, glass fiber plastics are pressed and filled in a traditional mode, the reversing sheet and the rotating shaft can be bounded, pressed and fixed after the glass fiber plastics are solidified, the pair of Haff blocks and the bonded, pressed and fixed reversing sheet and rotating shaft are simultaneously taken out from the die cavity plate, and then, the pair of Haff blocks is separated, so a micro motor reverser finished product formed by bonding, pressing and fixing the reversing sheet and the rotating shaft through the glass fiber plastics can be taken out and obtained. When the method and the mold are adopted for plastic molding processing production of the micro motor reverser, the qualification rate reaches higher than 95 percent.
Description
Technical field
The plastic compression processing method and the plastic compression processing mold that the present invention relates to a kind of micro-motor commutator, belong to micro-motor commutator processing technique field.
Background technology
At present, together with micro-motor commutator of the prior art is mainly bondd and is pressed solidly by fiberglass plastic by commutator segment and rotating shaft, thereby often occurring in existing micro-motor commutator is produced that the generation separated with fiberglass plastic of the rotating shaft in commutator plastics become flexible by mould plastic compression causes commutator to scrap by the gross phenomenon, by analysis, the processing method that adopts mould plastic compression that the commutator segment that forms micro-motor commutator is bondd together with pressing solidly by fiberglass plastic with rotating shaft at present exists unreasonable part: the existing mould structure for plastic compression processing is mainly by gate plate plate, cavity plate, base plate and lead form (as shown in Figure 6), adopt this mould that commutator segment and rotating shaft are bondd while forming micro-motor commutator together with pressing solidly by fiberglass plastic, the rotating shaft end of the micro-motor commutator after its plastic pressure forming is also in the cavity plate of mould, micro-motor commutator after plastic pressure forming to be taken out, after only opening base plate, from the die cavity holes tail end strike rotating shaft of cavity plate, could take out micro-motor commutator, this method that micro-motor commutator after plastic pressure forming is taken out from mould, can be easy to make bonding to press solidly between rotating shaft together and fiberglass plastic and producing vibration, thereby cause the rotating shaft of a lot of micro-motor commutators and fiberglass plastic to peel off and form waste product.Therefore, the plastic compression processing method of existing micro-motor commutator and plastic compression processing mold structure or not ideal enough.
Summary of the invention
The object of the invention is to: provide plastic compression processing method and the plastic compression processing mold of high and simple in structure, the easy to operate micro-motor commutator of a kind of yield rate, to overcome the deficiencies in the prior art.
The present invention is achieved in that the plastic compression processing method of a kind of micro-motor commutator of the present invention is, together with comprising that the method that adopts existing mould plastic compression processing bonds the commutator segment that forms micro-motor commutator and rotating shaft to press solidly by fiberglass plastic, at employing mould, carry out plastic compression and add man-hour, will be by gate plate, cavity plate, base plate, die cavity holes in cavity plate in the existing mold that lead and attachment screw form expands, one secondary Hough piece is installed in the die cavity holes after this expansion, and produce Hough piece die cavity holes at the center position of this pair Hough piece combining, then by traditional mode, cavity plate is arranged on base plate by attachment screw, the rotating shaft that forms micro-motor commutator is put into Hough piece die cavity holes, the commutator segment that forms micro-motor commutator is enclosed within to the upper part of rotating shaft, after gate plate is covered in cavity plate by lead, pressure injection fiberglass plastic in a traditional way again, after solidifying, fiberglass plastic can make together with commutator segment and rotating shaft bonding presses solidly, at this moment gate plate and cavity plate are separated, commutator segment and rotating shaft that this pair Hough piece is pressed solidly together together with bonding are taken out from cavity plate, then this pair Hough piece is separated, can take out like this and obtain the micro-motor commutator finished product that bonds and form together with pressing solidly by fiberglass plastic by commutator segment and rotating shaft.
Above-mentioned, when commutator segment is enclosed within to the upper part of rotating shaft, first processing is flattened in the upper part of rotating shaft, make the upper part of rotating shaft be formed with two symmetrical flattening planes.
The plastic compression processing mold that is used for a kind of micro-motor commutator of the inventive method is, comprise gate plate, cavity plate, base plate, lead and attachment screw, cavity plate is connected on base plate by attachment screw, gate plate is connected in cavity plate by lead, in cavity plate, be provided with the installing hole that Hough piece is installed, one secondary Hough piece is installed in this installing hole, this pair Hough piece is comprised of the metal derby of two semi-cylindrical form, and is provided with for the Hough piece die cavity holes of the rotating shaft of micro-motor commutator is installed at the center position of two Hough pieces that combine.
The installing hole of above-mentioned cavity plate is the tapered hole that upper end is large, lower end is little, and to be arranged on the external cylindrical surface being comprised of two Hough pieces in this installing hole be also the conical surface that upper end is large, lower end is little, and the tapering of this conical surface is identical with the tapering of installing hole.
The tapering of the above-mentioned external cylindrical surface conical surface being comprised of two Hough pieces is 5 °～8 °.
Faying face place at above-mentioned two Hough pieces is provided with bottle opener notch.
Owing to having adopted technique scheme, the present invention adopts the micro-motor commutator after plastic pressure forming is stayed in Hough piece, then when by micro-motor commutator depanning, with stripping tool for high bottle opener, from bottle opener notch, open reposefully the Hough piece combining, so just can easily micro-motor commutator be taken out from mould, and complete the process of a plastic compression micro-motor commutator.Of the present invention, wholely go out in mold process, micro-motor commutator is not subject to any impulsive force, can not produce distortion, its rotating shaft and fiberglass plastic reinforce in conjunction with, thereby produce a desired effect.Through production application, prove, adopt the present invention to carry out the plastic compression processing of micro-motor commutator, its qualification rate reaches more than 95%, has substantially exceeded the qualification rate of 60% left and right that current employing prior art only can reach.Therefore, compared with prior art, the present invention not only has advantages of that yield rate is high, simple in structure, easy to operate in the present invention, but also have cost-saving, greatly raise labour productivity, product quality is high and the advantage such as steady quality.
Accompanying drawing explanation.
Fig. 1 adopts mould of the present invention to carry out the structural representation that plastic compression adds man-hour;
Fig. 2 is the structural representations of two Hough pieces of the present invention while combining;
Fig. 3 is that the A of Fig. 2 is to structural representation;
Fig. 4 is the micro-motor commutator product structure schematic diagram that adopts the present invention to make;
Fig. 5 is the left TV structure schematic diagram of Fig. 4;
Fig. 6 is the plastic compression processing mold structural representation of existing micro-motor commutator.
Description of reference numerals:
The specific embodiment.
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiments of the invention: add man-hour (structure of micro-motor commutator as shown in Figure 4 and Figure 5) at the plastic compression that carries out micro-motor commutator, adopt the plastic compression processing method of a kind of micro-motor commutator of the present invention to process, method of the present invention comprises and adopting the method for existing mould plastic compression processing presses solidly with rotating shaft 2 commutator segment 1 that forms micro-motor commutator by fiberglass plastic 3 bondings together with, at employing mould, carry out plastic compression and add man-hour, will be by gate plate 4, cavity plate 5, base plate 6, die cavity holes in cavity plate 5 in the existing mold that lead 7 and attachment screw 8 form expands, one secondary Hough piece 9 is installed in the die cavity holes after this expansion, and produce Hough piece die cavity holes 10 at the center position of this pair Hough piece 9 combining, then by traditional mode, cavity plate 5 is arranged on base plate 6 by attachment screw 8, the rotating shaft 2 that forms micro-motor commutator is put into Hough piece die cavity holes 10, the commutator segment 1 that forms micro-motor commutator is enclosed within to the upper part of rotating shaft 2, for rotating shaft 2 can be better connected with commutator segment 1 by fiberglass plastic 3, and it is loosening to prevent that better rotating shaft 2 from occurring, when commutator segment 1 is enclosed within to the upper part of rotating shaft 2, first processing is flattened in the upper part of rotating shaft 2, make the upper part of rotating shaft 2 be formed with two symmetrical flattening plane 2.1(as shown in Figure 1), then after gate plate 4 being covered in cavity plate 5 by lead 7, cast glass compo 3(is as shown in Figure 1 in a traditional way again), after solidifying, fiberglass plastic 3 can make together with commutator segment 1 and rotating shaft 2 bondings press solidly, at this moment cavity plate 5 and gate plate 4 and base plate 6 are separated, commutator segment 1 and rotating shaft 2 that this pair Hough piece 9 is pressed solidly together together with bonding are taken out from cavity plate 5, then with bottle opener, this pair Hough piece 9 is separated, can impact without any like this, just can take out easily the micro-motor commutator finished product forming together with obtaining being pressed solidly by fiberglass plastic 3 bondings by commutator segment 1 and rotating shaft 2.
When implementing method of the present invention, preferably adopt the plastic compression processing mold of a kind of micro-motor commutator of the present invention to implement, the plastic compression processing mold of micro-motor commutator of the present invention comprises gate plate 4, cavity plate 5, base plate 6, lead 7 and attachment screw 8, cavity plate 5 is connected on base plate 6 by attachment screw 8, gate plate 4 is connected in cavity plate 5 by lead 7, in cavity plate 5, make an installing hole that Hough piece 9 is installed, and a secondary Hough piece 9(is installed in this installing hole as shown in Figure 1), these pair Hough piece 9 metal derbies by two semi-cylindrical form form, and the center position of two Hough pieces 9 that combine make one for install micro-motor commutator rotating shaft 2 Hough piece die cavity holes 10(as shown in Figure 1), during making, for convenient in taking out Hough piece 9, the installing hole of cavity plate 5 can be made as to the tapered hole that upper end is large, lower end is little, and the external cylindrical surface of the Hough piece 9 that the metal derby by two semi-cylindrical form being arranged in this installing hole is formed is also made as the conical surface that upper end is large, lower end is little, and make the tapering α of this conical surface identical with the tapering of installing hole (as shown in Figure 2), the tapering α of the external cylindrical surface conical surface being comprised of two Hough pieces 9 is made as to 5 °～8 °, in order to be convenient to that two Hough pieces 9 that combine are separated, can produce at the faying face place of two Hough pieces 9 two symmetrical bottle opener notches 11 (as shown in Figure 3).
Claims (6)
1. the plastic compression processing method of a micro-motor commutator, comprise and adopt the method for mould plastic compression processing that the commutator segment (1) and the rotating shaft (2) that form micro-motor commutator are pressed solidly and are bonded together by fiberglass plastic (3), it is characterized in that: at employing mould, carry out plastic compression and add man-hour, will be by gate plate (4), cavity plate (5), base plate (6), die cavity holes in cavity plate (5) in the existing mold that lead (7) and attachment screw (8) form expands, one secondary Hough piece (9) is installed in the die cavity holes after this expansion, and produce Hough piece die cavity holes (10) at the center position of this pair Hough piece (9) combining, then by traditional mode, cavity plate (5) is arranged on base plate (6) by attachment screw (8), the rotating shaft (2) that forms micro-motor commutator is put into Hough piece die cavity holes (10), the commutator segment (1) that forms micro-motor commutator is enclosed within to the upper part of rotating shaft (2), gate plate (4) is covered after cavity plate (5) is upper by lead (7), pressure injection fiberglass plastic (3) in a traditional way again, after solidifying, fiberglass plastic (3) can make commutator segment (1) and rotating shaft (2) be bonded together, at this moment gate plate (4) and cavity plate (5) are separated, commutator segment (1) and rotating shaft (2) that this pair Hough piece (9) is pressed solidly together together with bonding are taken out from cavity plate (5), then this pair Hough piece (9) is separated, can take out like this and obtain by fiberglass plastic (3) bonding, pressing solidly the micro-motor commutator finished product together forming by commutator segment (1) and rotating shaft (2).
2. the processing method of micro-motor commutator according to claim 1, it is characterized in that: when commutator segment (1) is enclosed within to the upper part of rotating shaft (2), first processing is flattened in the upper part of rotating shaft (2), make the upper part of rotating shaft (2) be formed with two symmetrical flattening planes (2.1).
3. the plastic compression processing mold of a micro-motor commutator, comprise gate plate (4), cavity plate (5), base plate (6), lead (7) and attachment screw (8), cavity plate (5) is connected on base plate (6) by attachment screw (8), gate plate (4) is connected in cavity plate (5) by lead (7), it is characterized in that: in cavity plate (5), be provided with the installing hole that Hough piece (9) is installed, one secondary Hough piece (9) is installed in this installing hole, this pair Hough piece (9) is comprised of the metal derby of two semi-cylindrical form, and at the center position of two the Hough pieces (9) that combine, be provided with the Hough piece die cavity holes (10) of the rotating shaft (2) for micro-motor commutator is installed.
4. the plastic compression processing mold of micro-motor commutator according to claim 3, it is characterized in that: the installing hole of cavity plate (5) is the tapered hole that upper end is large, lower end is little, and the external cylindrical surface being comprised of two Hough pieces (9) being arranged in this installing hole is also the conical surface that upper end is large, lower end is little, and the tapering of this conical surface (α) is identical with the tapering of installing hole.
5. the plastic compression processing mold of micro-motor commutator according to claim 4, is characterized in that: the tapering (α) of the external cylindrical surface conical surface being comprised of two Hough pieces (9) is 5 °～8 °.
6. according to the plastic compression processing mold of the micro-motor commutator described in claim 3,4 or 5, it is characterized in that: at the faying face place of two Hough pieces (9), be provided with bottle opener notch (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010296674.2A CN102431122B (en) | 2010-09-29 | 2010-09-29 | Plastic molding processing method and plastic molding processing mold for micro motor reverser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010296674.2A CN102431122B (en) | 2010-09-29 | 2010-09-29 | Plastic molding processing method and plastic molding processing mold for micro motor reverser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102431122A CN102431122A (en) | 2012-05-02 |
| CN102431122B true CN102431122B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010296674.2A Expired - Fee Related CN102431122B (en) | 2010-09-29 | 2010-09-29 | Plastic molding processing method and plastic molding processing mold for micro motor reverser |
Country Status (1)
| Country | Link |
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| CN (1) | CN102431122B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1263252A (en) * | 1968-02-16 | 1972-02-09 | Hoover Ltd | Moulding |
| CN1708889A (en) * | 2002-10-28 | 2005-12-14 | 科莱克特集团公司 | Commutator for an electric machine and method for producing same |
| CN201761032U (en) * | 2010-09-29 | 2011-03-16 | 中国江南航天工业集团林泉电机厂 | Plastic compression processing die of commutator of micro machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61248714A (en) * | 1985-04-26 | 1986-11-06 | Tokai Kogyo Kk | Molding method and mold for molded product of insert molding |
-
2010
- 2010-09-29 CN CN201010296674.2A patent/CN102431122B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1263252A (en) * | 1968-02-16 | 1972-02-09 | Hoover Ltd | Moulding |
| CN1708889A (en) * | 2002-10-28 | 2005-12-14 | 科莱克特集团公司 | Commutator for an electric machine and method for producing same |
| CN201761032U (en) * | 2010-09-29 | 2011-03-16 | 中国江南航天工业集团林泉电机厂 | Plastic compression processing die of commutator of micro machine |
Non-Patent Citations (2)
| Title |
|---|
| 塑料换向器制造新工艺;王剑新;《中小型电机》;19991231;47-49 * |
| 王剑新.塑料换向器制造新工艺.《中小型电机》.1999, |
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| CN102431122A (en) | 2012-05-02 |
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Granted publication date: 20140326 Termination date: 20180929 |