CN109104067A - A kind of linear motor - Google Patents
A kind of linear motor Download PDFInfo
- Publication number
- CN109104067A CN109104067A CN201811102195.5A CN201811102195A CN109104067A CN 109104067 A CN109104067 A CN 109104067A CN 201811102195 A CN201811102195 A CN 201811102195A CN 109104067 A CN109104067 A CN 109104067A
- Authority
- CN
- China
- Prior art keywords
- mover
- linear motor
- power supply
- conductive
- sliding rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R41/00—Non-rotary current collectors for maintaining contact between moving and stationary parts of an electric circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
Abstract
The present invention provides a kind of linear motors, are related to technical field of motors.It include: stator magnetic sheet, mover and power supply sliding rail, the mover is set to above the stator magnetic sheet, and there is gap between the mover and the stator magnetic sheet, the power supply sliding rail is parallel with the direction of motion of the mover, the mover is equipped with conductive component, and the conductive component is abutted with the power supply sliding rail.Linear motor provided by the invention, at runtime, power supply sliding rail remain stationary, and only the conductive component on mover is moved with mover, and does not need to be bent in motion process, it is only necessary to which holding is contacted with electrical supply rail.Power supply line whole process does not need to move, and avoids repeatedly bending the case where generating fatigue damage generation.It also avoids in motion process, because drag chain aging influences the proper motion of mover.Electrical supply rail compared to drag chain for, the space occupied is smaller.
Description
Technical field
The present invention relates to motor fields, in particular to a kind of linear motor.
Background technique
Traditional line movement is rotated rotating electric machine using screw structure using the structure of " rotating electric machine+ball-screw "
The movement in direction is converted to using required linear motion, but there is problems for this kind of drive.With related skill
The progress of art, the linear servo-actuator risen again in recent years (hereinafter referred to as " linear motor ") efficiently solve " electric rotating
The problem of machine+ball-screw " structure: linear motor does not have lead screw, so length is not limited by lead screw length, linear motor
Absolute precision, repeatable accuracy, maximum speed and peak acceleration are higher.At work, mover needs to carry out external power supply, so that
Linear motor can be run.Existing linear motor is all made of drag chain and powers up the form of line as mover power supply.Power supply line setting
In in drag chain, and one end is connect with mover.But in linear motor operation, drag chain and power supply line can all be moved with mover.
In linear motor operational process, the power supply line in drag chain can repeatedly be bent by high-frequency, the power supply line made easily because
Generate fatigue damage.
Summary of the invention
The present invention provides a kind of linear motors, it is desirable to provide it is a kind of new be different from drag chain power up line mode it is straight
Line motor power supply structure.
The present invention is implemented as follows:
A kind of linear motor, comprising: stator magnetic sheet, mover and power supply sliding rail, the mover are set to the stator magnet
Above plate, and there is gap between the mover and the stator magnetic sheet, the direction of motion of the power supply sliding rail and the mover is flat
Row, the mover are equipped with conductive component, and the conductive component is abutted with the power supply sliding rail.
Further, in preferred embodiments of the present invention, the power supply sliding rail includes Wiring port and several conductive bars,
Several conductive bars are connect with the Wiring port, and several conductive bars are flat with the direction of motion of the mover
Row.
Further, in preferred embodiments of the present invention, the conductive component includes interconnecting piece and several conductive parts, institute
It states interconnecting piece to connect with the mover, several described conductive part one end are set on the interconnecting piece, the other end and the conduction
Item abuts, and several conductive part mutually insulateds.
Further, in preferred embodiments of the present invention, the mover is equipped with several windings, the conductive part and institute
State winding connection.
Further, in preferred embodiments of the present invention, the quantity phase of the quantity of the conductive part and the conductive bar
Together.
Further, in preferred embodiments of the present invention, the quantity of the conductive bar is three.
Further, in preferred embodiments of the present invention, the conductive part is conduction brush or conductive roller.
Further, in preferred embodiments of the present invention, the linear motor further includes pedestal, the stator magnetic sheet,
The mover and the power supply sliding rail are all set on the pedestal.
Further, in preferred embodiments of the present invention, the pedestal is made of insulating material.
Further, in preferred embodiments of the present invention, the linear motor further includes at least one guide rail, institute
It is parallel with the direction of motion of the mover to state guide rail, the mover is set up on the guide rail.
The beneficial effects of the present invention are: the linear motor that the present invention obtains by above-mentioned design, mover is located at stator magnetic sheet
Top, and have a certain distance between stator magnetic sheet.When operation, mover can be transported along the length direction of stator magnetic sheet
It is dynamic.Sliding rail of powering is parallel with the direction of motion of mover, and connect with external power supply, i.e., is connected to power supply line on power supply sliding rail i.e.
Can, and the conductive component by being abutted with it, it is powered for mover.Conductive component on mover can be transported with mover
Dynamic, conductive component is relative to power supply sliding rail sliding in motion process, but remains and abut with sliding rail of powering, be continuously mover into
Row power supply.Linear motor provided by the invention, at runtime, power supply sliding rail remain stationary, and only the conductive component on mover is servo-actuated
Son moves together, and does not need to be bent in motion process, it is only necessary to which holding is contacted with electrical supply rail.Power supply line whole process is not required to
It moves, avoids repeatedly bending the case where generating fatigue damage generation.It also avoids in motion process, because drag chain aging influences to move
The proper motion of son.Electrical supply rail compared to drag chain for, the space occupied is smaller.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of linear motor provided in an embodiment of the present invention；
Fig. 2 is a kind of top view of linear motor provided in an embodiment of the present invention；
Fig. 3 is the schematic cross-section in the direction A-A ' in Fig. 2；
Fig. 4 is a kind of structural schematic diagram of linear motor provided in an embodiment of the present invention (hiding pedestal)；
Fig. 5 is a kind of top view of linear motor provided in an embodiment of the present invention (hiding pedestal)；
Fig. 6 is the schematic cross-section in the direction B-B ' in Fig. 5.
Icon: stator magnetic sheet 1；Mover 2；Guide rail 3；Pedestal 4；Wiring port 5；Conductive bar 6；Conductive component 7；Connection
Portion 71；Conductive part 72.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Embodiment 1 please refers to shown in Fig. 1-Fig. 6, and the present embodiment provides a kind of linear motors, comprising: stator magnetic sheet 1 moves
Son 2 and power supply sliding rail, mover 2 is set to 1 top of stator magnetic sheet, and has gap between mover 2 and stator magnetic sheet 1, and power supply is slided
Rail is parallel with the direction of motion of mover 2, and mover 2 is equipped with conductive component 7, and conductive component 7 is abutted with power supply sliding rail.
Linear motor provided in this embodiment, mover 2 is located at 1 top of stator magnetic sheet, and has centainly between stator magnetic sheet 1
Distance.When operation, mover 2 can be moved along the length direction of stator magnetic sheet 1.The movement side of power supply sliding rail and mover 2
It to parallel, and connect, i.e., power supply line is connected on power supply sliding rail, and conductive group by being abutted with it with external power supply
Part 7 is powered for mover 2.Conductive component 7 on mover 2 can be moved with mover 2, conductive component 7 in motion process
It relative to power supply sliding rail sliding, but remains and is abutted with power supply sliding rail, be continuously mover 2 and be powered.It is provided by the invention
Linear motor, at runtime, power supply sliding rail remain stationary, and only the conductive component 7 on mover 2 is moved with mover 2, and move
It does not need to be bent in the process, it is only necessary to which holding is contacted with electrical supply rail.Power supply line whole process does not need to move, and avoids repeatedly curved
The case where folding generation fatigue damage, occurs.It also avoids in motion process, because drag chain aging influences the proper motion of mover 2.For
Conductance rail compared to drag chain for, the space occupied is smaller.In the present embodiment, stator magnetic sheet 1 and mover 2 use existing straight line
Stator magnetic sheet 1 and motor in motor.Its structure and set-up mode can refer to existing linear motor.
Further, Fig. 1-Fig. 3 is please referred to, in the present embodiment, linear motor further includes pedestal 4, and stator magnetic sheet 1 moves
Son 2 and power supply sliding rail are all set on pedestal 4.Pedestal 4 is made of insulating material.Electrical supply rail and stator magnetic sheet 1 etc. are all provided with
It is placed in inside pedestal 4, and mutually insulated.In the present embodiment, pedestal 4 is made of marble material.
Further, in the present embodiment, linear motor further includes at least one guide rail 3, guide rail 3 and mover
2 direction of motion is parallel, and mover 2 is set up on guide rail 3.In the present embodiment, guide rail 3 is two, is respectively arranged at
The top of 1 two sides of stator magnetic sheet, mover 2 are erected on two guide rails 3.Guide rail 3 is used for the movement to mover 2 and carries out
Guiding generates offset when preventing mover 2 from moving.
Further, Fig. 4-Fig. 6 is please referred to, in the present embodiment, power supply sliding rail includes Wiring port 5 and several conductive bars
6, several conductive bars 6 are connect with Wiring port 5, and several conductive bars 6 are parallel with the direction of motion of mover 2, adjacent conductive
Setting is spaced between item 6.Specifically, several conductive bars 6 are set to the side of stator magnetic sheet 1.Conductive component 7 includes interconnecting piece 71
With several conductive parts 72, interconnecting piece 71 is connect with mover 2, and several 72 one end of conductive part are set on interconnecting piece 71, the other end with
Conductive bar 6 abuts, and 72 mutually insulated of several conductive parts, and mover 2 is equipped with several windings, and conductive part 72 connect with winding, leads
The quantity in electric portion 72 is identical as the quantity of conductive bar 6.The set-up mode of winding can refer in existing linear motor to be arranged on mover 2
Winding.Conductive part 72 is connect with winding.Conductive part 72 is conduction brush or conductive roller.
Wiring port 5 may be provided on the side wall of pedestal 4, and side outwardly is for connecting external power supply, side inwardly
It is connect with several conductive bars 6 being arranged in inside pedestal 4.Conductive bar 6 is integrally located inside pedestal 4, prevents electric leakage from causing to get an electric shock
Accident.An interconnecting piece 71 is extended in the side of mover 2, and interconnecting piece 71 extends to the top of conductive bar 6, and several conductive parts 72 are set
It is placed in the lower section of interconnecting piece 71, and is abutted with conductive bar 6.In this way, external power cord is the connection of conductive bar 6 by Wiring port 5,
Electric current on the conductive bar 6 abutted with it can be only transferred to winding connected to it by each conductive part 72, thus realization pair
The power supply of mover 2.Mover 2 is set to work normally.
The quantity of the conductive bar 6 of different linear motor settings is different, and in the present embodiment, the quantity of conductive bar 6 is three,
Power supply structure can connect three phase mains, enable 2 bidirectional-movement of mover.In other embodiments, if 2 need of mover are unidirectionally transported
Dynamic, the quantity of conductive bar 6 can also be two.
Linear motor provided by the embodiment, conductive bar 6 and conductive part 72 by mutual sliding contact are that mover 2 is supplied
Electricity avoids the bending to power supply line.Meanwhile conductive bar 6 and conductive part 72 can be arranged directly on the inside of pedestal 4, make straight
The structure of line motor is simpler.For conductive bar 6 compared to drag chain, the volume of occupancy is smaller simultaneously, eliminates because pacifying caused by drag chain
Size constrained is filled, the overall volume of linear motor had both been reduced, also reduces difficulty of the linear motor in structure design.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of linear motor characterized by comprising stator magnetic sheet, mover and power supply sliding rail, the mover are set to institute
It states above stator magnetic sheet, and there is gap between the mover and the stator magnetic sheet, the fortune of the power supply sliding rail and the mover
Dynamic direction is parallel, and the mover is equipped with conductive component, and the conductive component is abutted with the power supply sliding rail.
2. linear motor according to claim 1, which is characterized in that the power supply sliding rail includes Wiring port and several leads
Electric item, several conductive bars are connect with the Wiring port, and movement side of several conductive bars with the mover
To parallel.
3. linear motor according to claim 2, which is characterized in that the conductive component includes interconnecting piece and several conductions
Portion, the interconnecting piece are connect with the mover, and several described conductive part one end are set on the interconnecting piece, the other end with it is described
Conductive bar abuts, and several conductive part mutually insulateds.
4. linear motor according to claim 3, which is characterized in that the mover is equipped with several windings, the conduction
Portion is connect with the winding.
5. linear motor according to claim 3, which is characterized in that the number of the quantity of the conductive part and the conductive bar
It measures identical.
6. linear motor according to claim 5, which is characterized in that the quantity of the conductive bar is three.
7. linear motor according to claim 3, which is characterized in that the conductive part is conduction brush or conductive roller.
8. linear motor according to claim 1, which is characterized in that the linear motor further includes pedestal, the stator
Magnetic sheet, the mover and the power supply sliding rail are all set on the pedestal.
9. linear motor according to claim 8, which is characterized in that the pedestal is made of insulating material.
10. linear motor according to claim 1, which is characterized in that the linear motor further includes at least one guiding
Track, the guide rail is parallel with the direction of motion of the mover, and the mover is set up on the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102195.5A CN109104067A (en) | 2018-09-20 | 2018-09-20 | A kind of linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102195.5A CN109104067A (en) | 2018-09-20 | 2018-09-20 | A kind of linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109104067A true CN109104067A (en) | 2018-12-28 |
Family
ID=64866909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811102195.5A Pending CN109104067A (en) | 2018-09-20 | 2018-09-20 | A kind of linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109104067A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518777A (en) * | 2019-09-25 | 2019-11-29 | 中车株洲电机有限公司 | The bilateral dynamic primary formula linear motor of one kind and its air gap stability control mechanism |
| CN113315260A (en) * | 2021-05-20 | 2021-08-27 | 汉朔科技股份有限公司 | Price display system |
| WO2022048310A1 (en) * | 2020-09-04 | 2022-03-10 | 上海隐冠半导体技术有限公司 | Long-stroke motion system |
-
2018
- 2018-09-20 CN CN201811102195.5A patent/CN109104067A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518777A (en) * | 2019-09-25 | 2019-11-29 | 中车株洲电机有限公司 | The bilateral dynamic primary formula linear motor of one kind and its air gap stability control mechanism |
| CN110518777B (en) * | 2019-09-25 | 2021-10-29 | 中车株洲电机有限公司 | Double-side-acting primary linear motor and air gap stability control mechanism thereof |
| WO2022048310A1 (en) * | 2020-09-04 | 2022-03-10 | 上海隐冠半导体技术有限公司 | Long-stroke motion system |
| CN113315260A (en) * | 2021-05-20 | 2021-08-27 | 汉朔科技股份有限公司 | Price display system |
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