CN203151355U - Magneto type claw-pole stepping motor - Google Patents
Magneto type claw-pole stepping motor Download PDFInfo
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- CN203151355U CN203151355U CN 201320067999 CN201320067999U CN203151355U CN 203151355 U CN203151355 U CN 203151355U CN 201320067999 CN201320067999 CN 201320067999 CN 201320067999 U CN201320067999 U CN 201320067999U CN 203151355 U CN203151355 U CN 203151355U
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- utmost point
- claw
- end cover
- stator
- claw utmost
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Abstract
The utility model relates to a magneto type claw-pole stepping motor. The stepping motor includes a stator assembly formed by claw-pole stator cores and winding wire loops, a rotor assembly formed by a rotating shaft, annular magnetic steels, magnet ring racks and a spindle sleeve, and a casing assembly formed by an upper end cap and a lower end cap and an aluminium housing with accidented strip tooth-shaped exterior. The claw-pole stator cores include an upper claw-pole stator and a lower claw-pole stator arranged on the inner surface of the upper end cap and the lower end cap, and an upper claw-pole stator, a middle claw-pole stator and a lower claw-pole stator arranged on a core rack; and the winding wire loops are arranged in a J-type groove of the middle claw-pole stator. The change of the structure form of the claw-pole stators, rotors and the casing reduces gap among the claw-poles, magnetic leakage, dimension of the magnetic steels, moment of inertia of the rotors, material of partial members, and realizes technical effects of increasing heat radiation, reducing power consumption of the rotors, increasing utilization rate of energy, operating efficiency and working reliability of the motor. The utility model with reasonable structure is convenient for manufacture, and has advantages of energy saving, material saving, low cost, efficient and reliable working and strong practicality.
Description
Technical field
The utility model relates to a kind of electrically driven, particularly a kind of permanent-magnet claw utmost point stepping motor.
Background technology
Along with permanent magnetic material, particularly high energy product rare earth material utilize the development of technology, greatly promoted to replace with permanent magnet excitation the development of electric excitatory motor technology.Thus, various volumes are little, quality light and energy-efficient magneto arises at the historic moment.Permanent-magnet claw utmost point stepping motor wherein, because increased permanent magnet at rotor, saved solenoid, carbon brush and slip ring structure, brought simple in structure, control power is little, the functionality advantage that location torque is arranged under the powering-off state obtains extensive use in office automation and field of industrial automatic control.The typical structure of existing permanent-magnet claw utmost point stepping motor generally as shown in Figure 1, main body is by including dewclaw utmost point stator core 11, lower claw utmost point stator core 13, the stator module 1 of last winding coil 12 and following winding coil 14, include central rotating shaft 21 and the rotor assembly 2 that is fixedly installed on the central rotating shaft 21 outer annular magnetic steels of placing up and down 22, with by upper end cover, bottom end cover, be arranged between upper end cover and the bottom end cover, the case component (drawing among the figure) that is provided with the cylindric middle casing formation of lower wire fairlead constitutes, winding coil 12 and 14 was axially being separated up and down by middle magnetism-isolating loop 6 about last lower claw utmost point stator core 11 in annular magnetic steel up and down 22 in the rotor assembly 2 and the stator module 1 and 13 reached, wherein: described pawl utmost point stator core is made of the cylinder that uniform punching press on circumference has the silicon steel sheet of a plurality of radial pawl utmost points to be formed by stacking, described winding coil is separately positioned in the groove between the pawl utmost point, the thickness of described magnet steel is close with the length of winding coil, under confined state, a step angle as required staggers between the two sections pawl utmost point stator core.Find in actual use to have the following disadvantages: at first, because it is close to be arranged on the height of magnet thickness in the rotating shaft and winding coil, so the volume of permanent magnet is big, how heavy again materials are, material cost during except making is higher, moment of inertia when also causing machine operation is bigger, thereby under the certain condition of input power, the power consumption of motor self is also big; Secondly, pawl utmost point stator core is to be formed by stacking by the ordinary silicon steel disc, has bigger gap between the pawl utmost point, thereby leakage field is also bigger, and this can reduce the effective rate of utilization of air-gap flux to a certain extent, thereby causes influencing the operating efficiency of motor; In addition because casing generally makes by ganoid steel cylindrical tube or aluminium, not only heavily but also consumptive material many, and radiating effect is also poor during machine operation, this can influence the operate as normal life-span of motor to a certain extent.So, consider that from energy-conservation, material-saving, operating efficiency and functional reliability angle existing permanent-magnet claw utmost point stepping motor general structure is owed rationally necessary the improvement.
Summary of the invention
The purpose of this utility model be to overcome existing permanent-magnet claw utmost point stepping motor since structure aspects owe that the oneself power consumption that rationally causes is big, operating efficiency is not high and working life be cannot say for sure the weak point demonstrate,proved, a kind of permanent-magnet claw utmost point stepping motor that is conducive to cut down the consumption of energy, increase work efficiency and guarantees useful working life, novel structure is provided.
Permanent-magnet claw utmost point stepping motor main body of the present utility model is by including dewclaw utmost point stator core, lower claw utmost point stator core and last winding coil, the stator module of following winding coil, include central rotating shaft and be fixedly installed on the rotor assembly of the annular magnetic steel up and down that central rotating shaft places outward, be provided with central shaft dress hole and bolt with including, the upper end cover of screw pilot hole, be provided with down central shaft dress hole and bolt, the bottom end cover of screw pilot hole, with pass through bolt, the screw assembling is arranged between upper end cover and the bottom end cover, the case component that is provided with the cylindric middle casing of upper conductor fairlead and lower wire fairlead constitutes, annular magnetic steel up and down in the rotor assembly and the dewclaw utmost point stator core in the stator module, lower claw utmost point stator core, last winding coil and following winding coil are axially being separated up and down by middle magnetism-isolating loop, it is characterized in that: the two ends of central rotating shaft also are set with magnet ring frame up and down in the described rotor assembly, middle outer placing gone back movable set and is provided with metal (upper in being provided with, the middle axle sleeve of cored of peripheral hardware and described middle magnetism-isolating loop; Dewclaw utmost point stator core in the described stator module and lower claw utmost point stator core, last winding coil and following winding coil are separated by magnetism-isolating loop in the middle of described and constitute two stator modules up and down, dewclaw utmost point stator core wherein includes by uniform punching press on the circumference the dewclaw utmost point stator that the silicon steel sheet of a plurality of radial pawl utmost points is formed by stacking and the last median claw utmost point stator that is formed by stacking by silicon steel sheet, and lower claw utmost point stator core includes by uniform punching press on the circumference the lower claw utmost point stator that the silicon steel sheet of a plurality of radial pawl utmost points is formed by stacking and the following median claw utmost point stator that is formed by stacking by silicon steel sheet; Also be provided with annular groove and embedding on the inner surface of described casing upper end cover and press the described dewclaw utmost point stator that sticks in the described upward annular groove, also be provided with down annular groove and embedding on the inner surface of bottom end cover and press the described lower claw utmost point stator that sticks in the described annular groove down, also be provided with on the appearance periphery of bottom end cover and can the position be set for the coding controller that uses as required, middle casing is made by the aluminium tensioning member that outer surface is provided with concavo-convex tooth bar, is provided with described upper conductor fairlead and lower wire fairlead above; In addition, described up and down annular magnetic steel main body be flat circular, made by the NdFeB rear-earth material, the corresponding stickup is arranged on the described magnet ring frame up and down.
Under confined state, after described dewclaw utmost point stator superposes according to the thickness of setting, compress into and cementation is arranged on the last annular groove of upper end cover, after described lower claw utmost point stator superposes according to the thickness of setting, compress into and cementation is arranged on the following annular groove of bottom end cover, the described silicon steel sheet of median claw utmost point stator and following median claw utmost point stator of going up is according to the thickness stack of setting, be separated by by magnetism-isolating loop, press-fit respectively and cementation is arranged on the described iron core frame, described winding coil and the following winding coil gone up is respectively in the corresponding groove that is arranged on median claw utmost point stator and following median claw utmost point stator; Spacing by metal (upper in the middle of the described central rotating shaft, activity is stretched and is put in middle axle sleeve, and, activity spacing by the frame of magnet ring up and down that is installed in its two ends stretch put on upper end cover in the following central shaft dress hole on central shaft dress hole and the bottom end cover; Described up and down annular magnetic steel is by both electromagnetic point of designing requirement step pitch angle that staggers, and fixedly bonding is arranged on up and down on the magnet ring frame; In addition, by screw assembling interconnection, and between upper end cover and bottom end cover, link to each other by screw bolt reinforcing between described upper end cover, bottom end cover and the middle casing.
During work, receive the input electric impulse signal by the lead of drawing by separately of winding coil up and down, coil windings produces excitation field separately up and down, and the polarity that produces between the adjacent pole piece is opposite, under the effect in annular magnetic steel magnetic field up and down, according to angle of electromagnetic laws rotor rotation, the angle that just stagger in magnetic field is to guarantee the unanimity of magnetic direction, if energising, rotor will turn round continuously continuously, if will changing, the order of change energising, rotor turn to.In actual use, can also arrange on the position to increase as required at coding controller and encoder is set carries out closed-loop control, make motor more accurate to the feedback of speed and position, be conducive to improve control precision.
Based on the utility model permanent-magnet claw utmost point stepping motor of above-mentioned design, owing to changed the version of last lower claw utmost point stator core, effectively reduced the gap between the claw pole stator, the operating efficiency that be conducive to reduce leakage field, improves motor; Owing to changed the structure of rotor, dwindled the volume of permanent magnet magnet steel, increased the working clearance between rotor and stator, thereby the moment of inertia that is conducive to reduce rotor reduces the oneself power consumption of rotor, be conducive to improve capacity usage ratio, bring certain energy-saving effect; Improved casing structure, except the aluminium alloy that adopts lightweight replaces traditional steel material, also adopt appearance to have the aluminium tensioning member of concavo-convex dentation to make housing, be conducive to increase area of dissipation on the one hand, the heat that produces when immediately distributing machine operation effectively, guarantee operate as normal and the useful working life of motor, also help on the other hand and alleviate motor weight, and reduce cost of manufacture.So, permanent-magnet claw utmost point stepping motor of the present utility model is compared with existing any a like product, has obviously that structure more becomes rationally, makes more convenient and energy-conservation, material-saving, cost is low, reliable operation and efficient height, thereby having very strong practicality, market application foreground is wide.
Description of drawings
Fig. 1 is the basic structure schematic diagram of the existing like product relevant with the utility model;
Fig. 2 is the general structure schematic diagram of the utility model embodiment;
Fig. 3 is the contour structures schematic diagram of the utility model embodiment;
Fig. 4 is the internal structure view that takes down among Fig. 3 behind the upper end cover;
Fig. 5 is upper end cover inner surface structure view among the utility model embodiment;
Fig. 6 is lower cover inner surface structure view among the utility model embodiment.
Among the figure:
1. median claw utmost point stator on the stator module 11. dewclaw utmost point stator cores 111. dewclaw utmost point stators 112.
12. 132. times median claw utmost points of last winding coil 13. lower claw utmost point stator cores, 131. lower claw utmost point stators stator
14. following winding coil 2. rotor assembly 21. central rotating shafts annular magnetic steel about in the of 22.
23. axle sleeve 3. upper end covers in the middle of magnet ring frame 24. metal (uppers 25. up and down
31. 41. times central shaft dresses of annular groove 4. bottom end covers hole on the last central shaft dress hole 32.
42. following annular groove 43. coding controllers arrange position 5. middle casings, 51. upper conductor fairleads
52. magnetism-isolating loop in the middle of the lower wire fairlead 6.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and exemplary embodiments.
In Fig. 2-Fig. 6, permanent-magnet claw utmost point stepping motor main body of the present utility model is by including dewclaw utmost point stator core 11, lower claw utmost point stator core 13 and last winding coil 12, the stator module 1 of following winding coil 14, include central rotating shaft 21 and the rotor assembly 2 that is fixedly installed on the central rotating shaft 21 outer annular magnetic steels of placing up and down 22, be provided with central shaft dress hole 31 and bolt with including, the upper end cover 3 of screw pilot hole, be provided with down central shaft dress hole 41 and bolt, the bottom end cover 4 of screw pilot hole, with pass through bolt, the screw assembling is arranged between upper end cover 3 and the bottom end cover 4, the case component that is provided with the cylindric middle casing 5 of upper conductor fairlead 51 and lower wire fairlead 52 constitutes, annular magnetic steel up and down 22 in the rotor assembly 2 and the dewclaw utmost point stator core 11 in the stator module 1, lower claw utmost point stator core 13, last winding coil 12 and following winding coil 14 are axially being separated up and down by middle magnetism-isolating loop 6, it is characterized in that: the two ends of central rotating shaft 21 also are set with magnet ring frame 23 up and down in the described rotor assembly 2, middle outer placing gone back movable set and is provided with metal (upper 24 in being provided with, the middle axle sleeve 25 of cored (not showing on the figure) of peripheral hardware and described middle magnetism-isolating loop 6; Dewclaw utmost point stator core 11 in the described stator module 1 and lower claw utmost point stator core 13, last winding coil 12 and following winding coil 14 are separated by magnetism-isolating loop 6 in the middle of described and constitute two stator modules up and down, dewclaw utmost point stator core 11 wherein includes by uniform punching press on the circumference the dewclaw utmost point stator 111 that the silicon steel sheet of a plurality of radial pawl utmost points is formed by stacking and the last median claw utmost point stator 112 that is formed by stacking by silicon steel sheet, and lower claw utmost point stator core 13 includes by uniform punching press on the circumference the lower claw utmost point stator 131 that the silicon steel sheet of a plurality of radial pawl utmost points is formed by stacking and the following median claw utmost point stator 132 that is formed by stacking by silicon steel sheet; Also be provided with annular groove 32 and embedding on the inner surface of described casing upper end cover 3 and press the described dewclaw utmost point stator 111 that sticks in the described upward annular groove 32, also be provided with down annular groove 42 and embedding on the inner surface of bottom end cover 4 and press the described lower claw utmost point stator 131 that sticks in the described annular groove 42 down, also be provided with on the appearance periphery of bottom end cover 4 and can position 43 be set for the coding controller that uses as required, middle casing 5 is made by the aluminium tensioning member that outer surface is provided with concavo-convex tooth bar, is provided with described upper conductor fairlead 51 and lower wire fairlead 52 above; In addition, described up and down annular magnetic steel 22 main bodys be flat circular, made by the NdFeB rear-earth material, the corresponding stickup is arranged on the described magnet ring frame 23 up and down.
Under confined state, after described dewclaw utmost point stator 111 superposes according to the thickness of setting, compress into and cementation is arranged on the last annular groove 32 of upper end cover 3, after described lower claw utmost point stator 131 superposes according to the thickness of setting, compress into and cementation is arranged on the following annular groove 42 of bottom end cover 4, the described silicon steel sheet of median claw utmost point stator 112 and following median claw utmost point stator 132 of going up is according to the thickness stack of setting, be separated by by magnetism-isolating loop 6, press-fit respectively and cementation is arranged on the described iron core frame, described winding coil 12 and the following winding coil 14 gone up is respectively in the corresponding groove that is arranged on median claw utmost point stator 112 and following median claw utmost point stator 132; 24 spacing by metal (upper in the middle of the described central rotating shaft 21, activity is stretched and is put in middle axle sleeve 25, and, activity 23 spacing by the frame of magnet ring up and down that is installed in its two ends stretch put on upper end cover 3 in the following central shaft dress hole 41 on central shaft dress hole 31 and the bottom end cover 4, described up and down annular magnetic steel 22 is by both electromagnetic point of designing requirement step pitch angle that staggers, and fixedly bonding is arranged on up and down on the magnet ring frame 23; In addition, interconnect by the screw assembling between described upper end cover 3, bottom end cover 4 and the middle casing 5, and link to each other by screw bolt reinforcing 4 of upper end cover 3 and bottom end covers.
Claims (8)
1. permanent-magnet claw utmost point stepping motor, main body is by including dewclaw utmost point stator core (11), lower claw utmost point stator core (13) and last winding coil (12), the stator module (1) of following winding coil (14), include central rotating shaft (21) and be fixedly installed on the rotor assembly (2) of the outer annular magnetic steel of placing up and down (22) of central rotating shaft (21), include and be provided with central shaft dress hole (31) and bolt, the upper end cover of screw pilot hole (3), be provided with down central shaft dress hole (41) and bolt, the bottom end cover of screw pilot hole (4), with pass through bolt, the screw assembling is arranged between upper end cover (3) and the bottom end cover (4), the case component that is provided with the cylindric middle casing (5) of upper conductor fairlead (51) and lower wire fairlead (52) constitutes, annular magnetic steel up and down (22) in the rotor assembly (2) and the dewclaw utmost point stator core (11) in the stator module (1), lower claw utmost point stator core (13), last winding coil (12) and following winding coil (14) are axially being separated up and down by middle magnetism-isolating loop (6), it is characterized in that: the two ends of central rotating shaft (21) also are set with magnet ring frame (23) up and down in the described rotor assembly (2), middle outer placing gone back movable set and is provided with metal (upper (24) in being provided with, the middle axle sleeve (25) of cored of peripheral hardware and described middle magnetism-isolating loop (6); Dewclaw utmost point stator core (11) in the described stator module (1) and lower claw utmost point stator core (13), last winding coil (12) and following winding coil (14) are separated by magnetism-isolating loop (6) in the middle of described and constitute two stator modules up and down, dewclaw utmost point stator core (11) wherein includes by uniform punching press on the circumference the dewclaw utmost point stator (111) that the silicon steel sheet of a plurality of radial pawl utmost points is formed by stacking and the last median claw utmost point stator (112) that is formed by stacking by silicon steel sheet, and lower claw utmost point stator core (13) includes by uniform punching press on the circumference the lower claw utmost point stator (131) that the silicon steel sheet of a plurality of radial pawl utmost points is formed by stacking and the following median claw utmost point stator (132) that is formed by stacking by silicon steel sheet; Also be provided with annular groove (32) and embedding on the inner surface of described casing upper end cover (3) and press the described dewclaw utmost point stator (111) that sticks in the described upward annular groove (32), also be provided with down annular groove (42) and embedding on the inner surface of bottom end cover (4) and press the described lower claw utmost point stator (131) that sticks in the described annular groove (42) down, also be provided with on the appearance periphery of bottom end cover (4) and can position (43) be set for the coding controller that uses as required, middle casing (5) is made by the aluminium tensioning member that outer surface is provided with concavo-convex tooth bar, is provided with described upper conductor fairlead (51) and lower wire fairlead (52) above; In addition, described up and down annular magnetic steel (22) main body be flat circular, made by the NdFeB rear-earth material, the corresponding stickup is arranged on the described magnet ring frame (23) up and down.
2. permanent-magnet claw utmost point stepping motor according to claim 1, it is characterized in that described dewclaw utmost point stator (111) is according to the thickness stack of setting after, compress into and cementation is arranged on the last annular groove (32) of upper end cover (3).
3. permanent-magnet claw utmost point stepping motor according to claim 1, it is characterized in that described lower claw utmost point stator (131) is according to the thickness stack of setting after, compress into and cementation is arranged on the following annular groove (42) of bottom end cover (4).
4. permanent-magnet claw utmost point stepping motor according to claim 1 is characterized in that the described silicon steel sheet of going up median claw utmost point stator (112) and following median claw utmost point stator (132) superposes, is separated by, press-fits respectively also by magnetism-isolating loop (6) that cementation is arranged on the described iron core frame according to the thickness of setting.
5. permanent-magnet claw utmost point stepping motor according to claim 1, it is characterized in that described go up winding coil (12) and following winding coil (14) respectively correspondence be arranged in the groove of median claw utmost point stator (112) and following median claw utmost point stator (132).
6. permanent-magnet claw utmost point stepping motor according to claim 1, it is characterized in that spacing by metal (upper (24) in the middle of the described central rotating shaft (21), activity stretches and put in middle axle sleeve (25), and the last central shaft dress hole (31) of putting on upper end cover (3) is stretched in, activity spacing by the frame of magnet ring up and down (23) that is installed in its two ends and the following central shaft on the bottom end cover (4) is adorned in the hole (41).
7. permanent-magnet claw utmost point stepping motor according to claim 1 is characterized in that described annular magnetic steel (22) up and down by both electromagnetic point of designing requirement step pitch angle that staggers, and fixedly bonding is arranged on up and down on the magnet ring frame (23).
8. permanent-magnet claw utmost point stepping motor according to claim 1, it is characterized in that between described upper end cover (3), bottom end cover (4) and the middle casing (5) by screw assembling interconnection, and between upper end cover (3) and bottom end cover (4), link to each other by screw bolt reinforcing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320067999 CN203151355U (en) | 2013-02-06 | 2013-02-06 | Magneto type claw-pole stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320067999 CN203151355U (en) | 2013-02-06 | 2013-02-06 | Magneto type claw-pole stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203151355U true CN203151355U (en) | 2013-08-21 |
Family
ID=48978848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320067999 Expired - Fee Related CN203151355U (en) | 2013-02-06 | 2013-02-06 | Magneto type claw-pole stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203151355U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173404A (en) * | 2018-02-10 | 2018-06-15 | 安徽万至达电机科技有限公司 | Ultrasonic vibration motor |
| CN112234787A (en) * | 2020-09-24 | 2021-01-15 | 安徽飞翔电器有限公司 | High-voltage three-phase asynchronous motor with stator and rotor iron cores |
| CN114530958A (en) * | 2022-03-29 | 2022-05-24 | 江西泰豪军工集团有限公司 | Claw-pole generator |
-
2013
- 2013-02-06 CN CN 201320067999 patent/CN203151355U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173404A (en) * | 2018-02-10 | 2018-06-15 | 安徽万至达电机科技有限公司 | Ultrasonic vibration motor |
| CN108173404B (en) * | 2018-02-10 | 2023-08-11 | 安徽万至达电机科技有限公司 | Ultrasonic vibration motor |
| CN112234787A (en) * | 2020-09-24 | 2021-01-15 | 安徽飞翔电器有限公司 | High-voltage three-phase asynchronous motor with stator and rotor iron cores |
| CN114530958A (en) * | 2022-03-29 | 2022-05-24 | 江西泰豪军工集团有限公司 | Claw-pole generator |
| CN114530958B (en) * | 2022-03-29 | 2023-05-16 | 江西泰豪军工集团有限公司 | Claw pole type generator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20220206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |