CN104135111A - Directly-driven electric roller for logistic conveying and production method of directly-driven electric roller for logistic conveying - Google Patents
Directly-driven electric roller for logistic conveying and production method of directly-driven electric roller for logistic conveying Download PDFInfo
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- CN104135111A CN104135111A CN201410394541.7A CN201410394541A CN104135111A CN 104135111 A CN104135111 A CN 104135111A CN 201410394541 A CN201410394541 A CN 201410394541A CN 104135111 A CN104135111 A CN 104135111A
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Abstract
The invention relates to a directly-driven electric roller for logistic conveying. The directly-driven electric roller comprises an outer roller body and an outer rotor brushless direct current motor, and further comprises a supporting base, wherein the supporting base is arranged at one end in the outer roller body, and the outer rotor brushless direct current motor is arranged at the other end in the outer roller body. The outer rotor brushless direct current motor comprises a motor shaft, a stator, a rear end cover, a front end cover and bearings, wherein the stator is arranged on the motor shaft, the two sides of the motor shaft are fixed between the front end cover and the rear end cover through the bearings, and one end of the motor shaft extends out of the outer roller body from the front end cover. The supporting base comprises a fixed shaft, a bearing block and a bearing, wherein the fixed shaft is arranged on the bearing block through the bearing, and one end of the fixed shaft extends out of the bearing block. The motor shaft and the fixed shaft are located on the same axis to form a two-section type roller main shaft. By means of the directly-driven electric roller of the structure, in the production process, the problems in thin and long shaft machining can be effectively solved, the working accuracy of the electric roller can be improved, and the production cost can be reduced.
Description
Technical field
The present invention relates to logistics equipment, what specially refer to that a kind of logistics transmission uses directly drives electric drum, is applied in the streamline of sorting at a high speed.
Background technology
Directly drive fulgurite cylinder and be mainly used at present in logistic transmission system, as logistics transmission streamline, high speed sorting system etc.Because volume is little, compact conformation, easy for installation, thereby be used widely.Motor adopts brshless DC motor as power mostly.The electric machine structure of prior art mainly includes two kinds, and a kind of is that brushless electric machine adds planetary reduction box, because the planetary reduction box life-span is shorter, noise is large.At planetary reduction box, exist under so many problems prerequisite to be overcome, occurred another kind of direct current cylinder, this direct current cylinder adopts the brshless DC motor of external rotor directly to drive, owing to there is no gear box, therefore greatly increased useful life, noise is also smaller.
Above-mentioned directly driving on roller frame generally all adopts a main shaft directly through the design of whole cylinder, and the two ends of this root main shaft are all supported with bearing, and the two ends of main shaft stretch out in respectively the outside of outer cylinder.But, in the equipment of logistic industry, require the length of cylinder long, and the external diameter of cylinder must control within the specific limits, this just causes main shaft not only thin but also long.This elongated spindle processing aspect is very difficult, and cannot keep the linearity of main shaft.In addition, during directly the driving cylinder and cause starting working of major axis, noise is larger, after work a period of time, easily causes especially the damage of directly driving cylinder, affects the stability of whole logistics system.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of new structural design directly drive electric drum structure with and production method.The difficult problem of wanting effectively to overcome slender axles processing in electric drum structure and production process of directly driving of the present invention, the operating accuracy of raising electric drum, reduces production costs.
In order to reach foregoing invention object, patent of the present invention provides following technical scheme:
A kind of logistics transmission is used directly drives electric drum, this directly drives and in electric drum, includes outer cylinder and outer rotor brushless DC motor, it is characterized in that, the described electric drum that directly drives also includes supporting seat, this supporting seat is located at the one end in outer cylinder, and described outer rotor brushless DC motor is located at the other end in outer cylinder; Described outer rotor brushless DC motor includes motor shaft, stator, rear end cap, front end housing and bearing, described motor shaft is provided with stator, the both sides of motor shaft are fixed between front end housing and rear end cap by bearing, and one end of motor shaft is outside front end housing extend out to outer cylinder; Described supporting seat includes fixed axis, bearing pedestal and bearing, and described fixed axis is located on bearing pedestal by bearing, and one end of fixed axis stretches out in outside bearing pedestal; Described motor shaft and fixed axis are positioned at the drum spindle that forms two-part on same axis.
That at logistics transmission of the present invention, uses directly drives in electric drum, in described motor shaft, is provided with cavity, and the lead-out wire of outer rotor brushless DC motor is drawn outside motor shaft by described cavity.
That at logistics transmission of the present invention, uses directly drives in electric drum, be positioned on the front end housing at described outer cylinder two ends and bearing cap, be equipped with a plurality of for counterweight to keep the balancing hole of rotary balance, this balancing hole is blind hole.
A method of directly driving electric drum of using for the production of above-mentioned logistics transmission, is characterized in that, this production method includes following steps:
The first step, according to the specification requirement of directly driving electric drum, choose the specification of outer rotor brushless DC motor, motor shaft one end of this outer rotor brushless DC motor is fixed on rear end cap by bearing, the other end is located on front end housing by bearing bracket stand, and end caps is protruding in the past for motor shaft, makes outer cylinder and the supporting seat of corresponding size;
Second step, described outer rotor brushless DC motor is fixed in outer cylinder, make rear end cap one end be placed in outer cylinder inner, front end housing is placed in the end in outer cylinder, and it is outside that one end of motor shaft stretches out in outer cylinder, and the lead-out wire of outer rotor brushless DC motor is extracted from this motor shaft section of stretching out;
The 3rd step is fixed on described supporting seat in outer cylinder simultaneously, makes a supporting seat bottom bracket part be located at outer cylinder inner side, and a part is located at outer cylinder outside, and one end of fixed axis stretches out in outer cylinder outside;
The 4th step, described fixed axis and the motor shaft of preliminary correction, makes the axis of fixed axis and the axis of motor shaft on same straight line, tentatively completes the making of directly driving electric drum;
The 5th step, the electric drum that directly drives completing is carried out to dynamic balancing operation, measure the noise and the vibration information that directly drive electric drum, according to measurement result, progressively in described balancing hole, add balancing weight, again measure vibration information, cycling is until complete the dynamic balancing operation of directly driving electric drum.
In above-mentioned production method of directly driving electric drum, described outer rotor brushless DC motor as a whole parts is pressed in outer cylinder, and described supporting seat is pressed into the other end to outer cylinder.
Based on technique scheme, patent of the present invention directly drive motorized pulleys and production method compared with prior art, obtained following technique effect:
1. the electric drum that directly drives of patent of the present invention has been cancelled one-piece rotor shaft, has adopted the scheme at main shaft two ends, has overcome a processing difficult problem for elongated main shaft, has effectively guaranteed linearity and the machining accuracy of axle.
Patent of the present invention directly drive electric drum owing to having adopted outer rotor brushless DC motor to assemble as a whole, the serial model No. that is conducive to directly to drive electric drum is produced, and has both reduced production cost, has improved again the assembly precision of complete machine.
3. in production technology of the present invention, direct current machine and supporting seat integral body are pressed in outer cylinder, and carry out preliminary linearity check and correction, after completing, carry out again dynamic balancing operation, guaranteed directly to drive the resistance to overturning of electric drum, guarantee stable to increase the service life.
Accompanying drawing explanation
Fig. 1 is that the overall structure of directly driving electric drum that the present invention uses for the production of above-mentioned logistics transmission forms schematic diagram.
Fig. 2 is the structural representation that directly drives outer rotor brushless DC motor in electric drum of the present invention.
Fig. 3 is the sectional structure schematic diagram that directly drives supporting seat in electric drum of the present invention.
Fig. 4 is the side-looking structural representation that directly drives supporting seat in electric drum of the present invention.
Fig. 5 is that the electric drum that directly drives of the present invention is produced the schematic diagram after having assembled.
Embodiment
Below we electric drum structure forms and production process is described in further detail with specific embodiment directly driving that the logistics transmission of patent of the present invention is used by reference to the accompanying drawings; in the hope of more cheer and bright, understand its structure and form and technological process, but can not limit the scope of the invention with this.
The present invention be mainly design that a kind of novel logistics transmission uses directly drive electric drum, this directly drives in electric drum beyond including cylinder 1 and outer rotor brushless DC motor 2, also described, be provided with supporting seat 3 in directly driving electric drum 1, this supporting seat 3 is located at the one end in outer cylinder 1, described outer rotor brushless DC motor 2 is located at the other end in outer cylinder 1, that is to say that one end of cylinder 1 is outer rotor brushless DC motor 2 outside, one end is supporting seat 3, distance between outer rotor brushless DC motor 2 and supporting seat 3 can need to be adjusted according to specification, also just determined directly to drive the length of electric drum.Core concept of the present invention is the slender axles segmentation of outer rotor brushless DC motor of the prior art, only outer rotor brushless DC motor is placed on to one end of outer cylinder, a supporting seat of other end design, fixed axis is as a part for supporting seat, in this fixed axis function as the extension of the motor shaft of outer rotor brushless DC motor, thereby accomplish, by the segmentation of original motor slender axles, to have avoided the problems that adopt slender axles to bring on outer rotor brushless DC motor.
Aspect concrete structural design, as shown in Figure 2, above-mentioned outer rotor brushless DC motor 2 includes motor shaft 21, stator 22, rear end cap 23, front end housing 24 and bearing, described motor shaft 21 is provided with stator 22, the both sides of motor shaft 21 are fixed between front end housing 24 and rear end cap 23 by bearing, and one end of motor shaft 21 is outside front end housing 24 extend out to outer cylinder 1, stretch out in motor shaft 21 outside outer cylinder 1 as a whole stiff end that directly drives electric drum.As shown in Figure 3, above-mentioned supporting seat 3 includes fixed axis 31, bearing pedestal 32 and bearing 33, described fixed axis 31 is located on bearing pedestal 32 by bearing 33, and one end of fixed axis 31 stretches out in outside bearing pedestal 32, stretch out in holder 31 outside bearing pedestal 32 as whole another stiff end that directly drives electric drum.In addition, in order to meet service behaviour and the balance requirement of directly driving electric drum, described motor shaft 21 and fixed axis 31 are positioned on same axis, thereby make motor shaft 21 and fixed axis 31 form the drum spindle of two-part.
That at logistics transmission of the present invention, uses directly drives in electric drum, directly to drive electric drum the same with other, also be that a part at described motor shaft 21 is provided with coaxial cavity, the lead-out wire 25 of outer rotor brushless DC motor 2 is drawn outside motor shaft 21 by described cavity, thereby these lead-out wire 25 external power supplys provide power source for outer rotor brushless DC motor 2 rotates.
That at logistics transmission of the present invention, uses directly drives in electric drum, is positioned on the front end housing 24 at described outer cylinder 1 two ends and bearing cap 32 and is equipped with a plurality of balancing holes, and this balancing hole is blind hole.Equiblibrium mass distribution is on front end housing 24 symmetrically for balancing hole 26 circles in Fig. 2, and the round equiblibrium mass distribution symmetrically of balancing hole 24 in Fig. 3 and Fig. 4 is on bearing cap 32.The object that balancing hole is set is for counterweight, to keep directly driving electric drum, in dynamic balancing measurement, keep rotary balance, thereby after accomplishing directly to drive electric drum finished product, in material flow transmission equipment, keep operating steadily reliable, rotary balance, vibrates little and keeps only sending very low operating noise.
A kind of method of directly driving electric drum of using for the production of above-mentioned logistics transmission is also provided in patent of the present invention, and this production method includes following steps:
The first step, according to the specification requirement of directly driving electric drum, choose the specification of outer rotor brushless DC motor 2, motor shaft 21 one end of this outer rotor brushless DC motor 2 are fixed on rear end cap 23 by bearing, the other end is located on front end housing 24 by bearing bracket stand, and motor shaft 21 is protruding from front end housing 24, make outer cylinder 1 and the supporting seat 3 of corresponding size;
Second step, described outer rotor brushless DC motor 2 is fixed in outer cylinder 1, make rear end cap 23 one end be placed in outer cylinder 1 inside, front end housing 24 is placed in the end in outer cylinder 1, and one end of motor shaft 21 stretches out in outer cylinder 1 outside, stretch out in motor shaft 21 outside outer cylinder 1 as a whole stiff end that directly drives electric drum, the lead-out wire of outer rotor brushless DC motor 2 25 is extracted from these motor shaft 21 sections of stretching out, during work, this lead-out wire 25 is connected to external power sources;
The 3rd step, described supporting seat 3 is fixed in outer cylinder 1 simultaneously, make supporting seat 3 bottom bracket 32 parts be located at outer cylinder 1 inner side, a part is located at outer cylinder 1 outside, and one end of fixed axis 31 stretches out in outer cylinder 1 outside, stretch out in holder 31 outside bearing pedestal 32 as whole another stiff end that directly drives electric drum;
The 4th step, described fixed axis 31 and the motor shaft 21 of preliminary correction, makes the axis of fixed axis 31 and the axis of motor shaft 21 on same straight line, tentatively completes the making of directly driving electric drum, as shown in Figure 5;
The 5th step, the electric drum that directly drives completing is carried out to dynamic balancing operation, measure the noise and the vibration information that directly drive electric drum, according to measurement result, progressively in the balancing hole of described front end housing and bearing pedestal, distribute and progressively add balancing weight, again measure vibration information, cycling is until complete the dynamic balancing operation of directly driving electric drum.
In above-mentioned production process of directly driving electric drum, in order to guarantee machining accuracy and crudy, described outer rotor brushless DC motor 2 as a whole parts is pressed in outer cylinder 1, described supporting seat 3 is pressed into the other end of outer cylinder 1, add like this and keep a certain amount of interference fit man-hour, improve the stability of directly driving electric drum after processing.
The present invention adopts the motor shaft two ends formula design separated with fixed axis, has therefore effectively overcome a difficult problem for slender axles processing, has improved the precision of electric drum, has reduced production cost.
Claims (5)
1. a logistics transmission is used directly drives electric drum, this directly drives and in electric drum, includes outer cylinder and outer rotor brushless DC motor, it is characterized in that, the described electric drum that directly drives also includes supporting seat, this supporting seat is located at the one end in outer cylinder, and described outer rotor brushless DC motor is located at the other end in outer cylinder; Described outer rotor brushless DC motor includes motor shaft, stator, rear end cap, front end housing and bearing, described motor shaft is provided with stator, the both sides of motor shaft are fixed between front end housing and rear end cap by bearing, and one end of motor shaft is outside front end housing extend out to outer cylinder; Described supporting seat includes fixed axis, bearing pedestal and bearing, and described fixed axis is located on bearing pedestal by bearing, and one end of fixed axis stretches out in outside bearing pedestal; Described motor shaft and fixed axis are positioned at the drum spindle that forms two-part on same axis.
2. a kind of logistics transmission according to claim 1 is used directly drives electric drum, it is characterized in that, in described motor shaft, be provided with cavity, the lead-out wire of outer rotor brushless DC motor is drawn outside motor shaft by described cavity.
3. a kind of logistics transmission according to claim 2 is used directly drives electric drum, it is characterized in that, be positioned on the front end housing at described outer cylinder two ends and bearing cap, be equipped with a plurality of for counterweight to keep the balancing hole of rotary balance, this balancing hole is blind hole.
4. a method of directly driving electric drum of using for the production of logistics transmission described in claim 3, is characterized in that, this production method includes following steps:
The first step, according to the specification requirement of directly driving electric drum, choose the specification of outer rotor brushless DC motor, motor shaft one end of this outer rotor brushless DC motor is fixed on rear end cap by bearing, the other end is located on front end housing by bearing bracket stand, and end caps is protruding in the past for motor shaft, makes outer cylinder and the supporting seat of corresponding size;
Second step, described outer rotor brushless DC motor is fixed in outer cylinder, make rear end cap one end be placed in outer cylinder inner, front end housing is placed in the end in outer cylinder, and it is outside that one end of motor shaft stretches out in outer cylinder, and the lead-out wire of outer rotor brushless DC motor is extracted from this motor shaft section of stretching out;
The 3rd step is fixed on described supporting seat in outer cylinder simultaneously, makes a supporting seat bottom bracket part be located at outer cylinder inner side, and a part is located at outer cylinder outside, and one end of fixed axis stretches out in outer cylinder outside;
The 4th step, described fixed axis and the motor shaft of preliminary correction, makes the axis of fixed axis and the axis of motor shaft on same straight line, tentatively completes the making of directly driving electric drum;
The 5th step, the electric drum that directly drives completing is carried out to dynamic balancing operation, measure the noise and the vibration information that directly drive electric drum, according to measurement result, progressively on described balancing hole, add balancing weight, again measure vibration information, cycling is until complete the dynamic balancing operation of directly driving electric drum.
5. directly drive according to claim 4 the production method of electric drum, it is characterized in that, described outer rotor brushless DC motor as a whole parts is pressed in outer cylinder, and described supporting seat is pressed into the other end to outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410394541.7A CN104135111A (en) | 2014-08-12 | 2014-08-12 | Directly-driven electric roller for logistic conveying and production method of directly-driven electric roller for logistic conveying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410394541.7A CN104135111A (en) | 2014-08-12 | 2014-08-12 | Directly-driven electric roller for logistic conveying and production method of directly-driven electric roller for logistic conveying |
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| CN104135111A true CN104135111A (en) | 2014-11-05 |
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| CN201410394541.7A Pending CN104135111A (en) | 2014-08-12 | 2014-08-12 | Directly-driven electric roller for logistic conveying and production method of directly-driven electric roller for logistic conveying |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106743167A (en) * | 2017-02-10 | 2017-05-31 | 宁波中大力德智能传动股份有限公司 | A kind of motorized pulleys |
| CN108190409A (en) * | 2018-01-31 | 2018-06-22 | 常州合泰微特电机有限公司 | Servo motor logistics roller |
| CN109292426A (en) * | 2018-11-13 | 2019-02-01 | 昆山旭斯特自动化设备有限公司 | Full electricity drive formula tiltedly takes turns sorter |
| CN109317705A (en) * | 2018-11-26 | 2019-02-12 | 广州汇专工具有限公司 | It is a kind of for supersonic machining apparatus, the gland with vibration isolation function |
| CN109843754A (en) * | 2016-05-23 | 2019-06-04 | 沃尔特24公司 | Roller system with external-rotor motor spaced apart |
| WO2020108318A1 (en) * | 2018-11-26 | 2020-06-04 | 汇专科技集团股份有限公司 | Gland for ultrasonic machining device, and ultrasonic knife handle |
| US11286115B2 (en) | 2019-08-13 | 2022-03-29 | Hilmot LLC | Conveyor with extended motor configuration |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843754A (en) * | 2016-05-23 | 2019-06-04 | 沃尔特24公司 | Roller system with external-rotor motor spaced apart |
| US10562708B2 (en) | 2016-05-23 | 2020-02-18 | Volta 24 Llc | Roller system having spaced apart external rotor motor |
| CN106743167A (en) * | 2017-02-10 | 2017-05-31 | 宁波中大力德智能传动股份有限公司 | A kind of motorized pulleys |
| CN108190409A (en) * | 2018-01-31 | 2018-06-22 | 常州合泰微特电机有限公司 | Servo motor logistics roller |
| CN109292426A (en) * | 2018-11-13 | 2019-02-01 | 昆山旭斯特自动化设备有限公司 | Full electricity drive formula tiltedly takes turns sorter |
| CN109317705A (en) * | 2018-11-26 | 2019-02-12 | 广州汇专工具有限公司 | It is a kind of for supersonic machining apparatus, the gland with vibration isolation function |
| WO2020108318A1 (en) * | 2018-11-26 | 2020-06-04 | 汇专科技集团股份有限公司 | Gland for ultrasonic machining device, and ultrasonic knife handle |
| CN109317705B (en) * | 2018-11-26 | 2024-05-17 | 汇专科技集团股份有限公司 | Gland for ultrasonic processing device and with vibration isolation function |
| US11286115B2 (en) | 2019-08-13 | 2022-03-29 | Hilmot LLC | Conveyor with extended motor configuration |
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Application publication date: 20141105 |
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