CN102570711B - Combination type variable speed direct current permanent magnet motor - Google Patents
Combination type variable speed direct current permanent magnet motor Download PDFInfo
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- CN102570711B CN102570711B CN 201110439492 CN201110439492A CN102570711B CN 102570711 B CN102570711 B CN 102570711B CN 201110439492 CN201110439492 CN 201110439492 CN 201110439492 A CN201110439492 A CN 201110439492A CN 102570711 B CN102570711 B CN 102570711B
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Abstract
The invention relates to a combination type variable speed direct current permanent magnet motor, which resolves the problem that products have different requirements for output rotating speed of the motor, various motors are required to be produced to match the products, and the motor is large in size and small in torsion. The motor comprises a motor and a reduction box, a driving wheel is arranged on a motor output shaft of the motor, a driven wheel is arranged on a reduction box input shaft of the reduction box, and the driving wheel and the driven wheel are connected through a belt. The reduction box comprises an inner gear ring, three first-grade planet gears and three second-grade planet gears, wherein the three first-grade planet gears and three second-grade planet gears are meshed in the inner gear ring. The first-grade planet gears and the second-grade planet gears adopt the non-equidistance meshing structure, and inner teeth of the inner gear ring adopt the unsymmetrical non-involute helical-face tooth structure. The combination type variable speed direct current permanent magnet motor adopts the motor in one specification, can conveniently adjust output speed by adjusting the diameter of the driving wheel and the driven wheel and can smoothly pass product mandatory certification. The motor is large in transmission speed ratio, small in volume and capable of conducting a spark test of a commutator.
Description
Technical field
The present invention relates to a kind of motor, especially relate to and a kind ofly can change as requested output speed and meet forcible authentication requirement, volume is little, lightweight, deceleration is effective, output torque is large combination type variable speed direct current permanent magnet motor.
Background technology
used small household appliances manufacturing enterprise, juice extractor to various functions, noodle rolling machine, during the mincer design, rotating speed to output shaft requires to differ, because supporting dc permanent magnet motor must pass through the forcible authentication of GB12350 small power motor, during authentication to the rotating speed of motor, speed reducing ratio, moment of torsion etc., having clear and definite technical indicator stipulate in specifications arbitrarily changes, otherwise because homogeneity of product does not meet, can be suspended certificate suspends operations for consolidation, the motor of giving supporting manufactory cause very large difficulty, can't obtain in a short time certificate of certification and satisfy customer requirement.In addition, existing domestic food is processed the reducing motor of using that uses, the restriction of making volume due to product, and its deceleration effect is not fine, output torque is little, can only be used for squeezing the juice of fruit and vegetable, and can not roll face and Minced Steak.Be CN102255423 as publication number, name is called the Chinese invention patent application of Miniature permanent magnetic direct current geared motor, it comprises permanent magnet direct current motor and gear reduction box, mainly this forms permanent magnet direct current motor by rotor, stator, front end housing and rear end, the boss concentric with the rotating shaft of rotor arranged on front end housing, and gear reduction box is comprised of deceleration box, first-stage worm gear worm gear box, tertiary gear reducing gear and gear box cover.Rotor shaft connects with the worm screw of first-stage worm gear worm gear box, the pinion of the first order of tertiary gear reducing gear is coaxial with the worm screw of first-stage worm gear worm gear box, wantonly two axles in the week at the gears at different levels place of tertiary gear reducing gear are at space parallel and coplanar, and the output shaft of gear reduction box is the gear wheel place axle of the third level of tertiary gear reducing gear.This motor output shaft rotating speed is fixed, if the motor of different output shaft rotating speeds multiple according to product needed, just need to change the different model permanent magnet DC motor, because every kind of model permanent magnet DC motor all needs by forcible authentication, this causes very large difficulty just for motor supporting manufactory, can't obtain in a short time certificate of certification and satisfy customer requirement.In addition, the reduction box in this patent has the tertiary gear reducing gear, and the reduction gearing at different levels of these three grades of reducing gears mesh successively, although output torque satisfies the demands, its volume is too large, is inconvenient to use on some food processing products.Output torque is large not if reduce volume, can not satisfy the function that face and Minced Steak were squeezed the juice, rolled to product.
Summary of the invention
The present invention has solved that requirement differs to the motor output speed due to product, need to produce multiple motor supporting with it, produce the technical problem that causes very large difficulty to the electric drilling match manufacturing, a kind of split-type structural speed change is provided, can have conveniently adjusted the combination type variable speed direct current permanent magnet motor of output shaft rotating speed according to product requirement.
Another goal of the invention of the present invention is to solve supporting, quality heavy, the moment of torsion little and cost high problem large with motor volume of existing food processing equipment, and the combination type variable speed direct current permanent magnet motor that a kind of volume is little, quality is light, output torque is large and cost is low is provided.
The 3rd goal of the invention of the present invention is to have solved the problem that the supporting reduction box with motor of existing food processing equipment does not reach the high moment of torsion of the slow-speed of revolution, provides in a kind of reduction box to adopt non-equidistant engaging structure and to have that non-involute asymmetric inclined-plane is toothing, combination type variable speed direct current permanent magnet motor that rotating speed is low, moment of torsion is large.
The 4th goal of the invention of the present invention is to have solved the supporting problem that can't observe the commutator's spark test with motor of existing food processing equipment, and a kind of combination type variable speed direct current permanent magnet motor that can observe the commutator's spark test is provided.
above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of combination type variable speed direct current permanent magnet motor, comprise motor and reduction box, be provided with driving wheel on the motor output shaft of described motor, be provided with driven pulley on the reduction box input shaft of described reduction box, driving wheel connects by synchronous belt drive with driven pulley, described reduction box also comprises the reduction gearbox output shaft with chassis, ring gear, and be arranged on primary speed-down gear train and double-reduction gear group in ring gear, described primary speed-down gear train comprises three primary planet pinions that are meshed with ring gear, three primary planet pinions are arranged on a planet carrier, wherein two primary planet pinions are meshed with reduction box input shaft, another primary planet pinion does not mesh with reduction box input shaft, described double-reduction gear group comprises three secondary planetary gears that are meshed with ring gear, three secondary planetary gears are arranged on the chassis, be provided with the power transmission shaft tooth in the middle of described planet carrier one side relative to primary planet pinion, two secondary planetary gears are meshed with the power transmission shaft tooth, another secondary planetary gear does not mesh with the power transmission shaft tooth.Motor of the present invention and reduction box adopt split-type structural, use a kind of direct current permanent magnet motor of specification as power source in the present invention, meet the requirement of certificate of certification homogeneity of product, according to different product to the requirement of output shaft rotating speed, as long as size between driving wheel and driven pulley is adjusted, just can satisfy client's requirement.The present invention satisfy the client to the output speed requirement in, can also pass through smoothly the product forcible authentication.In the present invention, reduction box adopts the mounting structure of primary planet pinion, secondary planetary gear and ring gear in addition, makes the speed ratio of gearbox large, volume is little, output torque is larger, can satisfy and squeeze the juice, rolls face and Minced Steak function.In the present invention in reduction box three primary planet pinions and three secondary planetary gears all adopt equidistant engaging structure, three and the planetary line of centres become isosceles triangle shape, three wherein two and motor output shaft engagements of primary planet pinion, another does not mesh with motor output shaft.When work, motor output shaft drives driving wheel and rotates, driving wheel and driven pulley link by synchronous belt, driven pulley drives reduction box input shaft and rotates, two primary planet pinions with the engagement of deceleration line power shaft rotate, and due to primary planet pinion and ring gear engagement, the rotation of two primary planet pinions just drives planet carrier and rotates, the power transmission shaft tooth also rotates, and the while planet carrier drives another primary planet pinion and dallies.The mounting structure of three secondary planetary gears is the same with primary planet pinion, moving two secondary planetary gears that are engaged with of power transmission shaft cingulum rotate, an another secondary planetary gear is owing to meshing with ring gear, just driven the rotation on reduction gearbox output shaft chassis, namely drive reduction gearbox output shaft and rotate, the chassis also drives another secondary planetary gear idle running simultaneously.This mounting structure that equidistantly do not mesh of reduction box primary planet pinion and secondary planetary gear effectively raises transmission efficiency, has better reached the deceleration effect, makes output torque larger.
As a kind of preferred version, the internal tooth both sides of described ring gear are respectively working flank and non-working flank, two flank of tooth are the inclined-plane, and two flank of tooth are the asymmetric flank of tooth, and wherein the angle that becomes with two flank of tooth lower end lines of working flank is greater than the angle that non-working flank becomes with two flank of tooth lower end lines.This ring gear internal tooth is the asymmetric helical teeth of non-involute, has improved the reduction box transmission efficiency, has increased output torque.
As a kind of preferred version, described motor comprises housing, housing is made of front end housing, motor cylinder and rear end cap, be provided with rotating shaft in housing, described rotating shaft front and back end is arranged on front end housing and rear end cap by bearing respectively, and the rotating shaft front end is motor output shaft, and motor output shaft passes front end housing and stretches in reduction box, be provided with rotor coil in rotating shaft, be provided with magnetic shoe on the inwall of motor cylinder.Motor stator of the present invention adopts magnetic shoe to replace traditional silicon steel sheet, copper cash, has reduced cost and has played simultaneously environmental-protection function.
As a kind of preferred version, be positioned at place, engine commutator top position and have peephole on described motor cylinder, fastening on described peephole has port lid.Can observe the commutator's spark grade by peephole after the motor assembling, guarantee the requirement of product conformity energy, prevent because observing the commutator's spark test cause product quality problem out of control.By port lid, peephole is sealed after the test of observation the commutator's spark.
As a kind of preferred version, described motor and reduction box are arranged on fixed head, and described driving wheel and driven pulley are arranged on the bottom of fixed head.Motor and reduction box are all fixed fixed head again, and motor and reduction box are fixed into one.
As a kind of preferred version, described motor output shaft front end is the outer-hexagonal structure.Changed the structure of hexagonal in former motor output shaft, convenience is processed, technique is simple, the line position tolerance grade is high, can reduce the cost again.
Therefore, advantage of the present invention is: adopt the motor of split-type structural and a kind of specification, by regulating driving wheel and the conveniently adjusted output speed of driven pulley diameter, smoothly by the product forcible authentication 1.; 2. the structure of primary planet pinion, secondary planetary gear and ring gear in reduction box, not only speed ratio is large to make reduction box, and volume is also little, makes motor become the slow-speed of revolution, high pulling torque motor; 3. make Motor Production Test can estimate the commutator's spark grade, guarantee that product conformity can requirement.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is a kind of cross-sectional view of reduction box in the present invention;
Accompanying drawing 3 is a kind of cross-sectional view of motor in the present invention;
Accompanying drawing 4 be in accompanying drawing 2 A-A to a kind of sectional structure schematic diagram;
Accompanying drawing 5 be in accompanying drawing 2 B-B to a kind of sectional structure schematic diagram;
Accompanying drawing 6 is a kind of structural representations of planet carrier in the present invention;
Accompanying drawing 7 is a kind of structural representations of reduction gearbox output shaft in the present invention;
Accompanying drawing 8 is a kind of structural representations of ring gear internal tooth in the present invention.
1-motor 2-reduction box 3-ring gear 4-reduction gearbox output shaft 5-secondary planetary gear 6-primary planet pinion 7-drive end bearing bracket 8-planet carrier 9-motor output shaft 10-motor cylinder 11-magnetic shoe 12-rotor coil 13-rotating shaft 14-rear end cap 15-internal tooth 16-first installation shaft 17-chassis 18-the second installation shaft 19-power transmission shaft tooth 20-working flank 21-non-working flank 22-peep hole 23-port lid 25-driving wheel 26-driven pulley 27-synchronous belt 28-reduction box input shaft 29-fixed head.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
A kind of combination type variable speed direct current permanent magnet motor of the present embodiment as shown in Figure 1, comprises motor 1 and reduction box 2, and motor and accelerating chamber all are arranged on fixed head 29, and the motor output shaft 9 of motor passes fixed head, and driving wheel 25 is installed on the motor output shaft front end; The reduction box input shaft 28 of reduction box also passes fixed head, and driven pulley 26 is installed on the reduction box input shaft front end, and on driving wheel and driven pulley, cover has synchronous belt 27, is connected by synchronous belt drive.
Motor is dc permanent magnet motor, as shown in Figure 3, motor comprises housing, housing is made of front end housing 7, motor cylinder 10 and rear end cap 14, be provided with rotating shaft 13 in housing, rotating shaft one end is arranged on rear end cap by bearing, and the rotating shaft other end passes front end housing and stretches in reduction box, rotating shaft should also be connected with front end housing by a bearing by end, and the rotating shaft front end is motor output shaft 9.Be fixed with coil rack in rotating shaft, be wound with stator coil 12 on coil rack, magnetic shoe 11 is installed on the inwall of motor cylinder.
In addition, make Motor Production Test can estimate the commutator's spark grade, guarantee the requirement of product conformity energy, be positioned at place, engine commutator top position and have peephole 22 on the motor cylinder, fastening on peephole has port lid 23, and port lid covers peephole after finishing test.
As shown in Figure 2, reduction box 2 includes ring gear 3, reduction gearbox output shaft 4, reduction box input shaft 28, and is arranged on primary speed-down gear train, double-reduction gear group and planet carrier 8 in ring gear.as shown in Figure 4, the primary speed-down gear train is made of three primary planet pinions 6, as shown in Figure 6, be provided with power transmission shaft tooth 19 in the middle of planet carrier 8 one sides, be provided with three the first installation shaft 16 on another side, these three the first installation shaft be wired to isosceles triangle, primary planet pinion is arranged on planet carrier by the first installation shaft, three primary planet pinions after installation all are meshed with the internal tooth 15 of ring gear, and wherein two primary planet pinions also with stretch into reduction box in motor power shaft end tooth be meshed, another primary planet pinion is not meshed with the motor power shaft.as shown in Figure 5, the double-reduction gear group is made of three secondary planetary gears 5, as shown in Figure 7, the lower end of reduction gearbox output shaft has a chassis 17, the chassis is located in ring gear, be provided with three the second installation shaft 18 on the chassis, the line of three the second installation shaft also becomes isosceles triangle, three secondary planetary gears are arranged on the chassis by the second installation shaft, three secondary planetary gears after installation all are meshed with the ring gear internal tooth, and wherein two secondary planetary gears also are meshed with power transmission shaft tooth 19 on planet carrier, another secondary planetary gear is not meshed with the power transmission shaft tooth.As shown in fig. 1, the thickness of primary planet pinion is less than the thickness of secondary planetary gear.Ring gear is arranged on a base, and this base is fixed on fixed head, in the ring gear upper end, the reduction box front end housing is installed, and reduction gearbox output shaft passes the reduction box front end housing, and is connected with the reduction box front end housing by two bearings.
In order to improve transmission efficiency, improve output torque.As shown in Figure 8, internal tooth 15 both sides of ring gear 3 are respectively working flank 20 and non-working flank 21, two flank of tooth are the inclined-plane, and two flank of tooth are the asymmetric flank of tooth, and wherein the angle that becomes with this two flank of tooth lower end line of working flank 20 is greater than the angle that non-working flank 21 becomes with this two flank of tooth lower end line.The lower end here is flank of tooth lower edge, i.e. the point that intersects of the flank of tooth and root circle, and the line of two flank of tooth lower ends is dotted line in Fig. 6.
Combination motor is when work, motor output shaft drives driving wheel and rotates, driving wheel and driven pulley link by synchronous belt, driven pulley drives reduction box input shaft and rotates, two primary planet pinions with the engagement of deceleration line power shaft rotate, and due to primary planet pinion and ring gear engagement, the rotation of two primary planet pinions just drives planet carrier and rotates, the power transmission shaft tooth also rotates, and the while planet carrier drives another primary planet pinion and dallies.Moving two secondary planetary gears that are engaged with of power transmission shaft cingulum rotate, an another secondary planetary gear is owing to meshing with ring gear, just driven the rotation on reduction gearbox output shaft chassis, namely driven reduction gearbox output shaft and rotate, the chassis also drives another secondary planetary gear idle running simultaneously.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used the terms such as motor, reduction box, primary planet pinion, secondary planetary gear, ring gear, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (1)
1. combination type variable speed direct current permanent magnet motor, comprise motor and reduction box, it is characterized in that: be provided with driving wheel (15) on the motor output shaft (9) of described motor (1), be provided with driven pulley (26) on the reduction box input shaft (28) of described reduction box (2), driving wheel and driven pulley are in transmission connection by synchronous belt (27), described reduction box (2) also comprises the reduction gearbox output shaft (4) with chassis (17), ring gear (3), and be arranged on primary speed-down gear train and double-reduction gear group in ring gear, described primary speed-down gear train comprises three primary planet pinions (6) that are meshed with ring gear (3), three primary planet pinions are arranged on a planet carrier (8), wherein two primary planet pinions are meshed with the upper tooth of reduction box input shaft (28), another primary planet pinion does not mesh with the upper tooth of reduction box input shaft (28), described double-reduction gear group comprises three secondary planetary gears (5) that are meshed with ring gear (3), three secondary planetary gears are arranged on chassis (17), be provided with power transmission shaft tooth (19) in the middle of described planet carrier one side relative to primary planet pinion, two secondary planetary gears are meshed with the power transmission shaft tooth, another secondary planetary gear does not mesh with the power transmission shaft tooth, described motor (1) comprises housing, housing is by front end housing (7), motor cylinder (10) and rear end cap (14) consist of, be provided with rotating shaft (13) in housing, described rotating shaft front and back end is arranged on front end housing and rear end cap by bearing respectively, the rotating shaft front end is motor output shaft (9), motor output shaft passes front end housing and stretches in reduction box (2), be provided with rotor coil (12) in rotating shaft, be provided with magnetic shoe (11) on the inwall of motor cylinder (10).
2. a kind of combination type variable speed direct current permanent magnet motor according to claim 1, internal tooth (15) both sides that it is characterized in that described ring gear (3) are respectively working flank (20) and non-working flank (21), two flank of tooth are the inclined-plane, and two flank of tooth are the asymmetric flank of tooth, and wherein the angle that becomes with two flank of tooth lower end lines of working flank (20) is greater than the angle that non-working flank (21) becomes with two flank of tooth lower end lines.
3. a kind of combination type variable speed direct current permanent magnet motor according to claim 1, is characterized in that being positioned at place, engine commutator top position and have peephole (22) on described motor cylinder (10), and fastening on described peephole has port lid (23).
4. according to claim 1 and 2 or 3 described a kind of combination type variable speed direct current permanent magnet motors, it is characterized in that described motor (1) and reduction box (2) are arranged on fixed head (29), described driving wheel (25) and driven pulley (26) are arranged on the bottom of fixed head.
5. according to claim 1 and 2 or 3 described a kind of combination type variable speed direct current permanent magnet motors, is characterized in that described motor output shaft (9) front end is the outer-hexagonal structure.
6. a kind of combination type variable speed direct current permanent magnet motor according to claim 4, is characterized in that described motor output shaft (9) front end is the outer-hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110439492 CN102570711B (en) | 2011-12-26 | 2011-12-26 | Combination type variable speed direct current permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110439492 CN102570711B (en) | 2011-12-26 | 2011-12-26 | Combination type variable speed direct current permanent magnet motor |
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| Publication Number | Publication Date |
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| CN102570711A CN102570711A (en) | 2012-07-11 |
| CN102570711B true CN102570711B (en) | 2013-11-06 |
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| CN 201110439492 Active CN102570711B (en) | 2011-12-26 | 2011-12-26 | Combination type variable speed direct current permanent magnet motor |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868649A (en) * | 2015-05-28 | 2015-08-26 | 无锡新势力电机科技有限公司 | Centrally-installed two-stage variable speed motor |
| CN109245424B (en) * | 2018-09-25 | 2024-05-17 | 常州明磁卓控智能科技有限公司 | High-reliability magnetic suspension high-speed intelligent motor |
| CN109245475A (en) * | 2018-09-27 | 2019-01-18 | 无锡天之骄电机有限公司 | A kind of The gear deceleration claw-pole type permanent-magnetic synchronous |
| CN112473785B (en) * | 2020-11-13 | 2022-09-23 | 新疆鑫岐公路工程有限公司 | A old and useless metal recovery forming device for building site |
| CN114750923A (en) * | 2022-04-24 | 2022-07-15 | 青岛策海自动化科技有限公司 | Underwater server with strong load capacity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3343432B2 (en) * | 1994-02-24 | 2002-11-11 | 多摩川精機株式会社 | Variable speed motor |
| CN2229330Y (en) * | 1995-06-19 | 1996-06-19 | 赵兴文 | Backing-out punch for spring steel plate jacket of vehicle |
| GB0412278D0 (en) * | 2004-06-02 | 2004-07-07 | Drivetec Uk Ltd | Drive pulleys |
| CN2768287Y (en) * | 2005-01-06 | 2006-03-29 | 严志明 | Planetary type permanent-magnet speed reduction motors |
| CN201851630U (en) * | 2010-10-31 | 2011-06-01 | 李钊刚 | Asymmetric long-tooth profile evolvent planetary gear box |
| CN202374113U (en) * | 2011-12-26 | 2012-08-08 | 余姚市兰山电机企业有限公司 | Combined type large-torque speed reducing electromotor |
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