CN113937947A - Motor direct-drive concentric triaxial mechanism - Google Patents

Motor direct-drive concentric triaxial mechanism Download PDF

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Publication number
CN113937947A
CN113937947A CN202111217657.XA CN202111217657A CN113937947A CN 113937947 A CN113937947 A CN 113937947A CN 202111217657 A CN202111217657 A CN 202111217657A CN 113937947 A CN113937947 A CN 113937947A
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CN
China
Prior art keywords
shaft
inner shaft
motor
middle shaft
outer axle
Prior art date
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Pending
Application number
CN202111217657.XA
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Chinese (zh)
Inventor
刘德平
陈炜训
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Individual
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Individual
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Publication date
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Priority to CN202111217657.XA priority Critical patent/CN113937947A/en
Publication of CN113937947A publication Critical patent/CN113937947A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters

Abstract

The invention discloses a motor direct-drive concentric triaxial mechanism which comprises an inner shaft assembly, a middle shaft assembly, an outer shaft assembly and a motor fixing assembly, wherein the inner shaft assembly comprises an inner shaft stator component and an inner shaft rotor component, the middle shaft assembly comprises a middle shaft stator component and a middle shaft rotor component, the outer shaft assembly comprises an outer shaft stator component and an outer shaft rotor component, the inner shaft stator component comprises an inner shaft coil fixing seat, an inner shaft coil winding is arranged on the outer ring of the inner shaft coil fixing seat, the inner shaft rotor component comprises an inner shaft connecting seat, an inner shaft is sleeved in an inner hole of the inner shaft connecting seat, the upper end and the lower end of the inner shaft are connected with the middle shaft assembly through a bearing, an inner shaft motor shell is arranged on the outer ring of the inner shaft connecting seat, an inner shaft magnetic ring is arranged on the inner side wall of the inner shaft motor shell in a surrounding mode, and the inner shaft stator component is wrapped in the inner shaft rotor component.

Description

Motor direct-drive concentric triaxial mechanism
Technical Field
The invention relates to the field of feeding in the sewing industry, in particular to a motor direct-drive concentric triaxial mechanism.
Background
In a belt feeding device in the sewing industry, under some working conditions, three pieces of cloth need to be fed simultaneously, sometimes the feeding speeds of the three pieces of cloth are different, a concentric three-shaft driving mechanism needs to be arranged at the moment, most of three motors on the current market drive concentric three-shaft equipment, and the motors indirectly drive the concentric three shafts (inner shaft, middle shaft and outer shaft) through belts or gears and other transmission mechanisms, so that the occupied space is large, and the mechanical efficiency of the mechanism is reduced through multi-stage transmission.
Chinese patent application No. 201820980774.9 discloses a concentric biax output motor, including motor, motor shaft, concentric shaft and connection shaft section of thick bamboo, the right-hand member transmission of motor is connected with motor shaft, motor shaft's right-hand member is equipped with concentric shaft, is equipped with corresponding screw hole and No. two screw holes in the device on the motor shaft and the concentric shaft respectively, but screw hole and No. two screw hole connecting screw have strengthened the connection steadiness between motor shaft and the concentric shaft, be difficult for rocking between the two, and the dismouting of being convenient for is equipped with a spline matching groove and No. two spline matching grooves on the inner wall of concentric shaft both ends respectively, and the epaxial spline of motor shaft and No. two splines correspond the setting with a spline matching groove and No. two spline matching grooves respectively.
Said invention is single in function, and is not suitable for use in belt-feeding device in sewing industry.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a motor direct-drive concentric triaxial mechanism.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the utility model provides a motor directly drives concentric triaxial mechanism which characterized in that: the inner shaft assembly comprises an inner shaft stator component and an inner shaft rotor component, the middle shaft assembly comprises a middle shaft stator component and a middle shaft rotor component, the outer shaft assembly comprises an outer shaft stator component and an outer shaft rotor component, the inner shaft stator component comprises an inner shaft coil fixing seat, an inner shaft coil winding is arranged on the outer ring of the inner shaft coil fixing seat, the inner shaft rotor component comprises an inner shaft connecting seat, an inner shaft is sleeved in an inner hole of the inner shaft connecting seat, the upper end and the lower end of the inner shaft are connected with the middle shaft assembly through bearings, an inner shaft motor shell is arranged on the outer ring of the inner shaft connecting seat, an inner shaft magnetic ring is arranged on the inner side wall of the inner shaft motor shell around one circle, and the inner shaft stator component is wrapped in the inner shaft rotor component.
Furthermore, the middle shaft stator component comprises a middle shaft ring fixing seat, a middle shaft coil winding is arranged on the outer ring of the middle shaft ring fixing seat, the middle shaft rotor component comprises a middle shaft connecting seat, a middle shaft is sleeved in an inner hole of the middle shaft connecting seat, a middle shaft motor shell is arranged on the outer ring of the middle shaft connecting seat, a middle shaft magnetic ring is arranged on the inner side wall of the middle shaft motor shell in a surrounding mode, and the middle shaft stator component is coated in the middle shaft rotor component.
Further, outer axle stator part includes outer axle coil fixing base, and outer axle coil fixing base outer lane is equipped with outer axle coil winding, and outer axle rotor part includes outer axle connecting seat, and outer axle connecting seat inner hole cover is equipped with outer axle, and outer epaxial lower extreme passes through bearing and well hub connection, and outer axle connecting seat outer lane is equipped with outer axle motor shell, and outer axle motor shell inside wall encircles a week and is equipped with outer axle magnetic ring, and outer axle rotor part is with outer axle stator part cladding in wherein.
Furthermore, the motor fixing assembly comprises a motor fixing rod, three motor fixing plates are arranged on the outer side of the motor fixing rod at intervals, and the other ends of the three motor fixing plates are respectively connected with the inner shaft assembly, the middle shaft assembly and the outer shaft assembly through screws.
The invention has the advantages that:
1. the concentric triaxial mechanism in the prior art basically adopts a belt for transmission, and the belt-driven belt type coaxial mechanism is directly driven by a motor, so that a transmission mechanism is saved, the mechanical efficiency is improved, and the occupied space of the mechanism is reduced.
2. The motor structure in the prior art comprises a motor stator, a bearing and a motor rotor, wherein the motor stator and the motor rotor form coaxial rotary connection through the bearing.
3. The motor fixing plate leads the fixing position of the motor stator to one end of the outer side of the motor group, the motor fixing rod arranged on the case is used for limiting the rotation of the motor stator, the rotation limiting of three groups of motor stators can be completed only by using one fixing rod, the motor stators do not need to be limited at three positions independently, and the manufacturing difficulty is reduced.
4. The inner shaft motor, the middle shaft motor and the outer shaft motor are all arranged on the middle shaft according to the directions of 'reverse direction-forward direction', so that coil fixing seats of the three motors adopt the same size specification, the structure is simplified, the occupied space of the mechanism is reduced, the mechanical efficiency is improved, and the manufacturing cost and the manufacturing difficulty are reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a motor direct-drive concentric triaxial mechanism of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of a motor direct-drive concentric triaxial mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional view of an inner shaft assembly of a motor direct-drive concentric triaxial mechanism of the present invention;
FIG. 4 is a schematic cross-sectional view of a bottom bracket assembly of a motor direct-drive concentric triaxial mechanism according to the present invention;
FIG. 5 is a schematic cross-sectional view of an outer shaft assembly of a motor direct drive concentric triaxial mechanism of the present invention.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-5, the motor direct-drive concentric triaxial mechanism of the present invention comprises an inner shaft assembly 1 and a middle shaft assembly 2, outer axle subassembly 3 and motor fixed subassembly 4, interior axle subassembly 1 includes interior axle stator part and interior axle rotor part, axis subassembly 2 includes axis stator part and axis rotor part, outer axle subassembly 3 includes outer axle stator part and outer axle rotor part, interior axle stator part includes interior axle coil fixing base 11, interior axle coil fixing base 11 outside is equipped with interior axle coil winding 12, interior axle rotor part includes interior axle connecting seat 13, be equipped with interior axle 14 in the interior axle connecting seat 13, interior axle 14 lower extreme is connected with axis subassembly 2 through bearing 15, interior axle connecting seat 13 side is equipped with interior axle motor shell 16, 16 inside walls of interior axle motor shell encircle a week and are equipped with interior axle magnetic ring 17, interior axle rotor part is with stator part cladding in wherein.
Further, the middle shaft stator component comprises a middle shaft coil fixing seat 21, a middle shaft coil winding 22 is arranged outside the middle shaft coil fixing seat 21, the middle shaft rotor component comprises a middle shaft connecting seat 23, a middle shaft 24 is arranged in the middle shaft connecting seat 23, the lower end of the inner shaft 14 is connected with the middle shaft 24 through a bearing 15, a middle shaft motor shell 25 is arranged on the side of the middle shaft connecting seat 23, a middle shaft magnetic ring 26 is arranged on the inner side wall of the middle shaft motor shell 25 in a surrounding mode, and the middle shaft stator component is coated in the middle shaft rotor component.
Further, outer axle stator part includes outer axle coil fixing base 31, and outer axle coil fixing base 31 outside is equipped with outer axle coil winding 32, and outer axle rotor part includes outer axle connecting base 33, is equipped with outer axle 34 in outer axle connecting base 33, and the 24 lower extremes of axis passes through bearing 15 and is connected with outer axle 34, and outer axle connecting base 33 side is equipped with outer axle motor shell 35, and outer axle motor shell 35 inside wall encircles a week and is equipped with outer axle magnetic ring 36, and outer axle rotor part is with outer axle stator part cladding in wherein.
Further, the motor fixing component 4 comprises a motor fixing rod 42, three motor fixing plates 41 are arranged on the outer side of the motor fixing rod 42 at intervals, the other ends of the three motor fixing plates 41 are connected with the inner shaft component 1, the middle shaft component 2 and the outer shaft component 3 through screws respectively, and the motor fixing rod 42 is installed on the sewing feeding rack and used for limiting the rotation of the motor fixing plates 41 around a motor spindle.
The structure of the invention is simple, the middle shaft rotor part and the middle shaft stator part are connected through the bearing, the middle shaft rotor part and the middle shaft stator part form the coaxial rotation connection, the middle shaft stator part is connected on the motor fixing rod 42 through the motor fixing plate 41 to limit the rotation of the middle shaft stator part, when the motor runs, the middle shaft magnetic ring 26 and the middle shaft motor shell 25 of the middle shaft rotor part rotate, and then the torque is transmitted to the middle shaft 24 through the middle shaft connecting seat 23, thereby realizing the output of power.
The inner shaft rotor part is arranged in the middle shaft through an inner shaft bearing, the inner shaft stator part is arranged on the middle shaft through a bearing, the inner shaft stator part, the middle shaft 24 and the inner shaft rotor part form coaxial rotating connection, the inner shaft stator part is connected to a motor fixing rod 42 through a motor fixing plate 41 to limit the rotation of the inner shaft stator, when the motor runs, an inner shaft magnetic ring 17 and an inner shaft motor shell 16 of the inner shaft rotor part rotate, and then torque is transmitted to an inner shaft 14 through an inner shaft connecting seat 13, so that power output is achieved.
Outer axle rotor part is adorned on well axle 24 by the bearing, outer axle stator part is also installed on well axle 24 by the bearing, outer axle rotor part, well axle 24, outer axle stator part constitute coaxial rotation and connect, outer axle stator part is connected on motor fixing pole 42 by motor fixing plate 41 to restrict outer axle stator part's rotation, when the motor operation, outer axle magnetic ring 36 and outer axle motor shell 35 of outer axle rotor part rotate, and the rethread outer axle connecting seat 33 transmits the moment of torsion for outer axle 34, thereby realizes the output of power.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that variations and modifications can be made by those skilled in the art without departing from the principle of the present invention, and it should be understood that the invention also falls within the scope of the present invention.

Claims (4)

1. The utility model provides a motor directly drives concentric triaxial mechanism which characterized in that: the inner shaft assembly comprises an inner shaft stator component and an inner shaft rotor component, the middle shaft assembly comprises a middle shaft stator component and a middle shaft rotor component, the outer shaft assembly comprises an outer shaft stator component and an outer shaft rotor component, the inner shaft stator component comprises an inner shaft coil fixing seat, an inner shaft coil winding is arranged on the outer ring of the inner shaft coil fixing seat, the inner shaft rotor component comprises an inner shaft connecting seat, an inner shaft is sleeved in an inner hole of the inner shaft connecting seat, the upper end and the lower end of the inner shaft are connected with the middle shaft assembly through bearings, an inner shaft motor shell is arranged on the outer ring of the inner shaft connecting seat, an inner shaft magnetic ring is arranged on the inner side wall of the inner shaft motor shell around one circle, and the inner shaft stator component is wrapped in the inner shaft rotor component.
2. The motor direct-drive concentric triaxial mechanism of claim 1, wherein: the middle shaft stator component comprises a middle shaft ring fixing seat, a middle shaft coil winding is arranged on the outer ring of the middle shaft ring fixing seat, the middle shaft rotor component comprises a middle shaft connecting seat, a middle shaft is sleeved in an inner hole of the middle shaft connecting seat, a middle shaft motor shell is arranged on the outer ring of the middle shaft connecting seat, a middle shaft magnetic ring is arranged on the inner side wall of the middle shaft motor shell in a surrounding mode, and the middle shaft stator component is coated in the middle shaft rotor component.
3. The motor direct-drive concentric triaxial mechanism of claim 1, wherein: outer axle stator part includes outer axle coil fixing base, and outer axle coil fixing base outer lane is equipped with outer axle coil winding, and outer axle rotor part includes outer axle connecting base, and outer axle connecting base inner bore cover is equipped with outer axle, and outer epaxial lower extreme passes through the bearing and is connected with the axis, and outer axle connecting base outer lane is equipped with outer axle motor shell, and outer axle motor shell inside wall encircles a week and is equipped with outer axle magnetic ring, and outer axle stator part cladding is wherein.
4. The motor direct-drive concentric triaxial mechanism of claim 1, wherein: the motor fixing assembly comprises a motor fixing rod, three motor fixing plates are arranged on the outer side of the motor fixing rod at intervals, and the other ends of the three motor fixing plates are connected with the inner shaft assembly, the middle shaft assembly and the outer shaft assembly through screws.
CN202111217657.XA 2021-10-19 2021-10-19 Motor direct-drive concentric triaxial mechanism Pending CN113937947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111217657.XA CN113937947A (en) 2021-10-19 2021-10-19 Motor direct-drive concentric triaxial mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111217657.XA CN113937947A (en) 2021-10-19 2021-10-19 Motor direct-drive concentric triaxial mechanism

Publications (1)

Publication Number Publication Date
CN113937947A true CN113937947A (en) 2022-01-14

Family

ID=79280391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111217657.XA Pending CN113937947A (en) 2021-10-19 2021-10-19 Motor direct-drive concentric triaxial mechanism

Country Status (1)

Country Link
CN (1) CN113937947A (en)

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