CN103840348A - Manufacturing technology of commutator - Google Patents
Manufacturing technology of commutator Download PDFInfo
- Publication number
- CN103840348A CN103840348A CN201410112150.1A CN201410112150A CN103840348A CN 103840348 A CN103840348 A CN 103840348A CN 201410112150 A CN201410112150 A CN 201410112150A CN 103840348 A CN103840348 A CN 103840348A
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- Prior art keywords
- commutator
- commutator segment
- slot
- plastic sheath
- segment
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- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a manufacturing technology of a commutator. (1) Copper wires are rolled, pulled and punched to form commutator segments, and hook grooves are punched in the formed commutator segments; (2) the commutator segments are arranged in a plastic sleeve in sequence; (3) the commutator segments are put into a commutator forming die after arrangement of the commutator segments is completed, bakelite powder is punched into the commutator forming die, and the commutator segments and the bakelite powder are compressed to form the commutator; (4) the formed commutator is taken out, and the plastic sleeve is removed; (5) finally hooking is carried out on hook pins of the formed commutator. According to the manufacturing technology of the commutator, multiple steps for machining the commutator are reduced, production efficiency is improved greatly, cutting technology influences are gotten rid of, the internal stress of the commutator is small, fastness is strong, and the service life is long. In addition, due to the fact that cylindrical turning is not carried out, the thickness of the commutator segments is even, dynamic balance is good, and therefore the service life is prolonged.
Description
Technical field
What the present invention relates to is a kind of manufacture craft of commutator for motor.
Background technology
The manufacture craft of commutator is very skillful, and main technique includes following step, 1) copper cash is rolled and draws punching to become commutator segment; 2) commutator segment is arranged in plastic sheath, it is cylindrical that plastic sheath is arranged in commutator segment, and between commutator segment, have space, so without milling mica slot again; 3) put into commutator mould, pour phenolic moulding powder, commutator segment and phenolic moulding powder are compressing; 4) take out the commutator of moulding, and remove plastic sheath; Because existing screening can not be sealed hook to the hook pin of commutator segment with plastic sheath, therefore in the time of punching commutator segment, can't go out hook pin, otherwise on the hook pin of commutator segment, can be stained with phenolic moulding powder in the time filling phenolic moulding powder, need to again clear up these phenolic moulding powder, so not only increase cleaning process, reduce production efficiency, and commutator segment is also had to damage; Existing plastic sheath only plays the effect that commutator segment is arranged of being convenient to, can not guarantee that commutator segment is arranged in circle, can not position commutator segment, thereby commutator segment can not keep absolute circle when compressing with phenolic moulding powder, concentricity is poor, and the commutator of moulding can not reach standard-required, therefore also needs to carry out 5 below) cylindrical turning process and 6) milling hook pin operation, become cylindrical by commutator car, make its concentricity reach standard; Last 7) crotch.The manufacture craft of existing commutator is not only loaded down with trivial details, and can increase the internal stress of commutator through multiple tracks cutting process such as milling hook groove, turnings, reduce the intensity of commutator, affect its useful life, and cause commutator segment became uneven through turning, affect the intensity of commutator segment, reduce the dynamic balancing of commutator, can have influence on equally the useful life of commutator.
Summary of the invention
In view of the technical problem that background technology exists, the technical problem to be solved in the present invention is to provide that a kind of processing technology is more easy, the more manufacture craft of commutator of product quality.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme to realize: the manufacture craft of this kind of commutator, is characterized in that its processing step is:
1) copper cash is rolled and draws punching to become commutator segment, and on the commutator segment of this moulding punching go out hook groove;
2) commutator segment is sequentially arranged in plastic sheath, this plastic sheath is the cylinder of hollow, on the inwall of described plastic sheath, be along the circumferential direction evenly provided with the slot inserting for commutator segment of vertical setting, on the outer wall of described plastic sheath, along the circumferential direction evenly offer the short slot of vertical setting, described short slot communicates with slot, two inner sides of described slot lower end are provided with the convex tendon mating with the hook groove male and female of commutator segment, described slot and commutator segment match, and the inwall of the plastic sheath that described convex tendon is corresponding is provided with back-up ring;
3) commutator mould is put in commutator segment screening after completing, and mould contacts with commutator segment through short slot, and to commutator segment location, then pours phenolic moulding powder, by compressing to commutator segment and phenolic moulding powder;
4) take out the commutator of moulding, and remove plastic sheath;
5) finally the hook pin of the commutator to moulding carries out crotch.
The clamping strip of described slot both sides is provided with groove.
The present invention with regard to its hook groove of punching place, so not only reduces the generation of grain material in the time of punching commutator segment, and next just without milling hook groove again, has improved production efficiency, then the commutator segment with hook groove is inserted in the slot of specific plastic sheath, this slot and commutator segment match, convex tendon in hook pin both sides and the slot of commutator segment is close to, and outside hook pin is isolated in by back-up ring, so commutator segment is just fixed, the hook pin of commutator segment is also real by envelope, and in the time filling phenolic moulding powder, phenolic moulding powder just can not adhere on this hook pin, on the outer wall of described plastic sheath, offer short slot, on corresponding inwall, be provided with back-up ring, the commutator segment completing after screening is put into commutator mould, this mould contacts with commutator segment through short slot, and back-up ring prevents that commutator segment from tilting, guarantee that the circle that commutator segment surrounds is circular, just high in the concentricity of commutator of filling phenolic moulding powder aftershaping like this, do not need to carry out cylindrical turning process, therefore adopt after this kind of specific plastic sheath screening, without cleaning phenolic moulding powder, also without milling hook pin again, without cylindrical turning process, multiple operations are reduced, greatly improve production efficiency, and without cutting skill, reduce the impact on commutator internal stress, thereby improve the intensity of commutator, extend the useful life of commutator, and the concentricity of moulding commutator is high, commutator segment thickness is even, dynamic equilibrium is good, also the longer service life that has further extended commutator is of a specified duration, and in manufacturing process, reducing grain material produces, feed intake still less, reduce production cost, bring good economic benefit to production and enterprise.
Accompanying drawing explanation
Further describe operation principle of the present invention and details thereof below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of invention commutator.
Fig. 2 is the structural representation of commutator segment of the present invention.
Fig. 3 is the structural representation of plastic sheath of the present invention.
Fig. 4 is that commutator segment of the present invention inserts the partial schematic diagram in plastic sheath.
Embodiment
The manufacture craft of this kind of commutator, its processing step is:
1) copper cash is rolled and draws punching to become commutator segment 8, and on the commutator segment 8 of this moulding punching go out hook groove 9, in the time of punching commutator segment, directly go out hook groove 9, reduce like this generation of grain material, reduce production costs;
2) commutator segment 8 is sequentially arranged in plastic sheath 1, the cylinder that this plastic sheath 1 is hollow, on the inwall of described plastic sheath 1, be along the circumferential direction evenly provided with the slot 3 inserting for commutator segment 8 of vertical setting, between described slot 3, being held bar 2 isolates, on the outer wall of described plastic sheath 1, along the circumferential direction evenly offer the short slot 4 of vertical setting, described short slot 4 communicates with slot 3, two inner sides of described slot 3 lower ends are provided with the convex tendon 6 mating with hook groove 9 male and female of commutator segment, described slot 3 mates completely with the commutator segment 8 of breaking through hook groove, described commutator segment 8 insert slot 3 interior after, the clamping strip 2 of slot both sides clamps commutator segment 8, convex tendon 6 is by hook pin 10 both sides sealings of commutator segment, the inwall of the plastic sheath of described convex tendon 6 correspondences is provided with back-up ring 7, back-up ring 7 is isolated the hook pin 10 of commutator segment completely, avoid phenolic moulding powder to adhere on hook pin 10.In the time of the commutator of the obstructed grooved of processing, the clamping strip 2 of described slot 3 both sides is provided with groove 5, and in the time filling phenolic moulding powder, phenolic moulding powder 11 just enters in this groove 5, and adjacent commutator segment 8 is isolated, and guarantees not crosstalk between commutator segment 8, plays insulating effect;
3) commutator segment 8 screenings complete after the cylindrical commutator mould of putting into of one-tenth, mould contacts with commutator segment 8 through short slot 4, and commutator segment 8 is located, and then pours phenolic moulding powder 11, by compressing to commutator segment 8 and phenolic moulding powder 11; Because commutator segment 8 is clamped by the clamping strip 2 of slot both sides, and hook pin 10 reality that is isolated, obturages, add the styling of back-up ring 7, commutator segment 8 can not move or tilt, guarantee cylindrical shape, so the commutator concentricity of moulding is high, without carrying out turning technique, so just can not cause wearing and tearing to commutator segment, also guarantee that commutator segment thickness is consistent;
4) take out the commutator of moulding, and remove plastic sheath 1;
5) finally the hook pin 10 of the commutator to moulding carries out crotch.
The present invention inserts commutator segment 8 in the slot 3 on plastic sheath, because the lower end of slot 3 is provided with convex tendon 6, the commutator segment 8 that makes slot 3 and punching cross hook groove mates completely, the both sides of the hook pin 10 of commutator segment are sealed by convex tendon 6, and because back-up ring 7 blocks, hook pin 7 and the phenolic moulding powder 11 of filling are isolated completely, phenolic moulding powder 11 just can not be bonded on the hook pin 10 of commutator segment like this, has therefore filled phenolic moulding powder 11 afterwards just without having cleared up phenolic moulding powder.Commutator is in the time of moulding, mould contacts with commutator segment 8 through short slot 4, position, in the time of location, because of stopping of the back-up ring 7 on plastic sheath inwall, commutator segment 8 can not be moved, thereby guarantee that the circle that commutator segment 8 surrounds remains circular, so fill phenolic moulding powder 11 compressing, commutator after moulding is without turning, because commutator concentricity has reached requirement, and also without milling hook pin again, only need carry out crotch operation, the present invention has reduced multiple steps of the processing of commutator, greatly improve production efficiency, and affect without Cutting Process, the internal stress of commutator is little, fastness is strong, long service life, in addition because there is no turning, the even thickness of commutator segment, dynamic equilibrium is good, therefore useful life is also just long.
The present invention compared with prior art, has not only improved production efficiency and product quality, has extended useful life, and it is few to feed intake, and poor material produces few, and production cost is low, has brought good economic benefit to production and enterprise.
Claims (2)
1. a manufacture craft for commutator, is characterized in that its processing step is:
1) copper cash is rolled and draws punching to become commutator segment (8), and on the commutator segment of this moulding (8) punching go out hook groove (9);
2) commutator segment (8) is sequentially arranged in plastic sheath (1), the cylinder that this plastic sheath (1) is hollow, on the inwall of described plastic sheath (1), be along the circumferential direction evenly provided with the slot (3) inserting for commutator segment (8) of vertical setting, on the outer wall of described plastic sheath (1), along the circumferential direction evenly offer the short slot (4) of vertical setting, described short slot (4) communicates with slot (3), two inner sides of described slot (3) lower end are provided with the convex tendon (6) mating with hook groove (9) male and female of commutator segment, described slot (3) matches with commutator segment (8), the inwall of the plastic sheath that described convex tendon (6) is corresponding is provided with back-up ring (7),
3) commutator segment (8) screening is put into commutator mould after completing, mould contacts with commutator segment (8) through short slot (4), and to commutator segment (8) location, then pour phenolic moulding powder (11), by compressing to commutator segment (8) and phenolic moulding powder (11);
4) take out the commutator of moulding, and remove plastic sheath (1);
5) finally the hook pin (10) of the commutator to moulding carries out crotch.
2. the manufacture craft of commutator according to claim 1, is characterized in that the clamping strip (2) of described slot both sides is provided with groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112150.1A CN103840348B (en) | 2014-03-25 | 2014-03-25 | The manufacture craft of a kind of reverser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112150.1A CN103840348B (en) | 2014-03-25 | 2014-03-25 | The manufacture craft of a kind of reverser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103840348A true CN103840348A (en) | 2014-06-04 |
| CN103840348B CN103840348B (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410112150.1A Expired - Fee Related CN103840348B (en) | 2014-03-25 | 2014-03-25 | The manufacture craft of a kind of reverser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103840348B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810806A (en) * | 2012-08-20 | 2012-12-05 | 瑞安市恒丰机电有限公司 | Reversing sheet, reverser manufactured by reversing sheet and manufacturing process of reverser |
| CN203071377U (en) * | 2013-01-22 | 2013-07-17 | 苏州科固电器有限公司 | Overall plastic commutator |
| CN203085931U (en) * | 2013-01-22 | 2013-07-24 | 苏州科固电器有限公司 | Housing molded commutator |
| 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 |
-
2014
- 2014-03-25 CN CN201410112150.1A patent/CN103840348B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810806A (en) * | 2012-08-20 | 2012-12-05 | 瑞安市恒丰机电有限公司 | Reversing sheet, reverser manufactured by reversing sheet and manufacturing process of reverser |
| CN203071377U (en) * | 2013-01-22 | 2013-07-17 | 苏州科固电器有限公司 | Overall plastic commutator |
| CN203085931U (en) * | 2013-01-22 | 2013-07-24 | 苏州科固电器有限公司 | Housing molded commutator |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103840348B (en) | 2016-06-01 |
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Address after: 325200 Zhejiang city of Wenzhou province Ruian city Kumho Street into the Star Village Road No. 17 reef Applicant after: Ruian Zhonghuan Electrical Appliance Co.,Ltd. Address before: 325200 Zhejiang city of Wenzhou province Ruian city Kumho Street into the Star Village Road No. 17 reef Applicant before: RUIAN ZHONGHENG ELECTRICAL APPLIANCE PARTS FACTORY |
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Granted publication date: 20160601 |