CN111463946A - Coreless moving coil type linear motor - Google Patents
Coreless moving coil type linear motor Download PDFInfo
- Publication number
- CN111463946A CN111463946A CN202010283713.9A CN202010283713A CN111463946A CN 111463946 A CN111463946 A CN 111463946A CN 202010283713 A CN202010283713 A CN 202010283713A CN 111463946 A CN111463946 A CN 111463946A
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- CN
- China
- Prior art keywords
- plate
- linear motor
- connecting bin
- moving coil
- bottom plate
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- 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
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention belongs to the technical field of motors, and particularly relates to a coreless moving-coil type linear motor which comprises a bottom plate, wherein baffle plates are welded on the left side and the right side of the top of the bottom plate, a rubber plate is connected with the middle part of the top of the bottom plate through screws, a permanent magnet plate is evenly connected with the top of the rubber plate through screws, limiting plates are welded on the left side and the right side of the middle part of the top of the bottom plate, a limiting frame is sleeved on the outer side of each limiting plate, a connecting bin is welded between the tops of the limiting frames on the left side and the right side, two rows of exhaust holes corresponding to the positions are formed in the top of the connecting bin, a connecting plate is evenly inserted into the inner cavity of the connecting bin, coils are sleeved on the outer side of the connecting bin, gaps between the adjacent coils correspond to the positions of the exhaust holes, and, and an effective heat dissipation structure is arranged to ensure that the working structure cannot be damaged after being used for a long time.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a coreless moving coil type linear motor.
Background
The traditional linear motor works by the fact that a rotary motor indirectly converts electric energy into mechanical energy of linear motion through a synchronous belt or a lead screw, since certain error is inevitably generated in mechanical transmission, the transmission causes the phenomenon of insufficient precision, the abrasion, the noise and the like of the mechanical transmission are also the problems which need to be solved urgently nowadays, particularly in markets of high-end automation equipment, numerical control machines and the like, the improvement on the problems is more urgent, then, the iron core-free moving coil type linear motor is generated to improve the problems, the structural design of transmission is performed by devices without a lead screw and the like, and the problems are avoided.
For example, the chinese patent application No. CN200610034877.8 is a coreless moving-coil linear motor, which includes a stator and a mover moving relative to the stator, wherein the stator is composed of at least one magnet array module, the magnet array module includes an upper magnetic yoke and a lower magnetic yoke, permanent magnets of different polarities are alternately pasted on the upper magnetic yoke and the lower magnetic yoke, and an air gap is formed between the upper magnetic yoke and the lower magnetic yoke; the rotor comprises a framework and a coil and can freely slide in the air gap of the stator.
However, the existing device has the problems that the main working structure is not protected during working, and an effective heat dissipation structure is not available, so that the device is easy to damage after being used for a long time.
Disclosure of Invention
The invention aims to provide an iron core-free moving coil type linear motor, which aims to solve the problems that a main working structure is not provided with a protection structure during working and is easy to damage after long-time use due to no effective heat dissipation structure in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a coreless moving-coil type linear motor comprises a bottom plate, wherein baffles are welded on the left side and the right side of the top of the bottom plate, the middle part of the top of the bottom plate is connected with a rubber plate through a screw, the top of the rubber plate is evenly connected with a permanent magnet plate through a screw, limiting plates are welded on the left side and the right side of the middle part of the top of the bottom plate, limiting frames are sleeved on the outer sides of the limiting plates, a connecting bin is welded between the tops of the limiting frames on the left side and the right side, two rows of exhaust holes corresponding to each other are arranged at the top of the connecting bin, connecting plates are uniformly inserted into the inner cavity of the connecting bin, coils are sleeved on the outer side of the connecting bin, and the gap between adjacent coils corresponds to the position of the exhaust hole, the left side wall and the right side wall of the connecting bin are uniformly provided with air inlet holes, and the viewing side of the baffle plate at the left side and the right side is connected with a heat dissipation fan corresponding to the position of the connecting bin through screws.
Preferably, the top of the inner cavity of the limiting frame and the top of the limiting plate are both arc-shaped structures.
Preferably, the distance value between the adjacent permanent magnet plates is 3-5 cm.
Preferably, the horizontal plane of the top of the baffle is 2-3cm higher than the horizontal plane of the top of the connecting bin.
Preferably, the left end and the right end of the bottom plate are both connected with reinforcing plates through bolts, and screw holes are formed in the body of each reinforcing plate.
Preferably, the side walls of the adjacent coils and the front and rear inner walls of the upper and lower coils and the connecting bin are connected with partition plates through screws, and the partition plates correspond to the air outlet holes.
Preferably, the inner side of the limiting frame is coated with a teflon coating.
Preferably, a heat conducting rod is inserted between the connecting plate and the top of the connecting bin.
Compared with the prior art, the invention has the beneficial effects that:
1) when the connecting bin moves linearly relatively, the limiting frame is clamped on the limiting plate to ensure that the connecting bin cannot be dislocated when moving relatively, and the connecting bin can fall down due to no magnetic force when not working, so that the limiting plate can provide buffering through the limiting frame, and the connecting bin is prevented from being damaged due to direct contact with the permanent magnet plate;
2) the baffles on the two sides can prevent the main working structure of the device from being damaged by transverse impact force;
3) the heat dissipation fan blows air into the connection bin through the air inlet hole, and the heat on the surface of the coil can be taken away by the air in the process of exhausting from the air exhaust hole, so that the device is prevented from being damaged due to overheating.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the connecting bin of the present invention;
FIG. 3 is a top cross-sectional view of the connecting bin of the present invention;
FIG. 4 is a top view of the rubber sheet of the present invention.
In the figure: the heat-conducting plate comprises a base plate 1, a baffle plate 2, a limiting plate 3, a limiting frame 4, a permanent magnet plate 5, a connecting bin 6, an exhaust hole 7, a partition plate 8, a connecting plate 9, a coil 10, an exhaust hole 11, a heat-radiating fan 12, a reinforcing plate 13, a screw hole 14 and a heat-conducting rod 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-4, the present invention provides a technical solution: a coreless moving-coil type linear motor comprises a bottom plate 1, wherein baffle plates 2 are welded on the left side and the right side of the top of the bottom plate 1, the baffle plates 2 on the two sides can prevent a main working structure of the motor from being damaged by transverse impact force, a rubber plate is connected with the middle part of the top of the bottom plate 1 through screws, the rubber plate can insulate heat and has certain buffering performance, a permanent magnet plate 5 can be prevented from being demagnetized by heat and damaged by external force, the top of the rubber plate is uniformly connected with the permanent magnet plate 5 through screws, limiting plates 3 are welded on the left side and the right side of the middle part of the top of the bottom plate 1, limiting frames 4 are sleeved on the outer sides of the limiting plates 3, the limiting frames 4 are clamped on the limiting plates 3 to ensure that a connecting bin 6 cannot be transversely staggered when the connecting bin 6 moves relatively in the radial direction, a connecting bin 6 is welded, the interior chamber of connecting storehouse 6 is evenly pegged graft and is had connecting plate 9, coil 10 has been cup jointed in the outside of connecting storehouse 9, the position of coil 10 is fixed to connecting plate 9, coil 10 can produce the interact of magnetic force with permanent magnet plate 5 after the circular telegram, connect the relative bottom plate 1 in storehouse 6 and can produce radial relative movement because of this kind of interaction, and the clearance between the adjacent coil 10 corresponds with the position in exhaust hole 7, inlet port 11 has evenly been seted up to the left and right sides lateral wall of connecting storehouse 6, heat dissipation fan 12 starts to blow to inlet port 11, wind passes through and wraps up the heat in the clearance between the adjacent coil 10 and carry out from exhaust hole 7, the one side that side shield 2 looked about all has heat dissipation fan 12 corresponding with connecting storehouse 6 position through the screw connection.
Wherein, the inner chamber top of spacing frame 4 and the top of limiting plate 3 are convex structure for the process of spacing frame 4 and the contact of limiting plate 3 is more not fragile.
The distance value between the adjacent permanent magnet plates 5 is 3-5cm, so that the magnetic force is ensured not to be interfered.
The horizontal plane on which the top of the baffle 2 is arranged is 2-3cm higher than the horizontal plane on which the top of the connecting bin 6 is arranged, so that the connecting bin 6 is protected from being subjected to transverse impact force.
The left end and the right end of the bottom plate 1 are both connected with a reinforcing plate 13 through bolts, a screw hole 14 is formed in the body of the reinforcing plate 13, and the overall stability of the reinforcing device can be improved in a mode of additionally installing bolts in the screw hole 14.
All there is baffle 8 through screwed connection between the lateral wall of adjacent coil 10 and between upper and lower side coil 10 and the front and back side inner wall of being connected storehouse 6, and baffle 8 corresponds with the position of venthole 7, goes to report that the wind that both sides blown can not interfere with each other, promotes the radiating efficiency.
The inside coating of spacing frame 4 has the teflon coating, guarantees that spacing frame 4 and limiting plate 3 are more fragile when taking place relative friction.
The working principle is as follows: the coil 10 and the heat dissipation fan 12 are connected with an external power supply to supply power to the coil 10, the coil 10 generates a magnetic field due to the electromagnetic induction principle, the baffle plates 2 at two sides can prevent the main working structure of the device from being damaged by transverse impact force, the limiting frame 4 is clamped on the limiting plate 3 to ensure that the connecting bin 6 cannot generate transverse dislocation when the connecting bin 6 moves relatively in the radial direction, and can avoid connecting storehouse 6 and permanent magnet 5 direct contact to take place to damage, heat dissipation fan 12 starts to blow to inlet port 11, and wind passes through and wraps up the heat on coil 10 and take the place of exhausting from exhaust hole 7 from the clearance between the adjacent coil 10, avoids connecting the inside overheat damage in storehouse 6.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a no iron core moving coil type linear electric motor, includes bottom plate (1), its characterized in that: the novel plastic sealing plate is characterized in that baffles (2) are welded on the left side and the right side of the top of the bottom plate (1), a rubber plate is connected to the middle of the top of the bottom plate (1) through screws, permanent magnet plates (5) are evenly connected to the top of the rubber plate through screws, limiting plates (3) are welded on the left side and the right side of the middle of the top of the bottom plate (1), a limiting frame (4) is sleeved on the outer side of each limiting plate (3), a connecting bin (6) is welded on the left side and the right side of the top of the limiting frame (4), two rows of exhaust holes (7) corresponding in position are formed in the top of the connecting bin (6), a connecting plate (9) is evenly inserted into the inner cavity of the connecting bin (6), coils (10) are sleeved on the outer side of the connecting bin (9), gaps between adjacent coils (10) correspond to the positions of the exhaust holes, and one side of the left side and the right side of the baffle (2) which are viewed is connected with a heat dissipation fan (12) corresponding to the position of the connecting bin (6) through screws.
2. The ironless moving coil linear motor of claim 1, wherein: the top of the inner cavity of the limiting frame (4) and the top of the limiting plate (3) are both arc-shaped structures.
3. The ironless moving coil linear motor of claim 1, wherein: the distance value between the adjacent permanent magnet plates (5) is 3-5 cm.
4. The ironless moving coil linear motor of claim 1, wherein: the horizontal plane of the top of the baffle (2) is 2-3cm higher than the horizontal plane of the top of the connecting bin (6).
5. The ironless moving coil linear motor of claim 1, wherein: the left end and the right end of the bottom plate (1) are both connected with reinforcing plates (13) through bolts, and screw holes (14) are formed in the body of each reinforcing plate (13).
6. The ironless moving coil linear motor of claim 1, wherein: adjacent between the lateral wall of coil (10) and between upper and lower side coil (10) and the front and back side inner wall of connecting storehouse (6) all there is baffle (8) through screwed connection, and baffle (8) correspond with the position of venthole (7).
7. The ironless moving coil linear motor of claim 1, wherein: the inner side of the limiting frame (4) is coated with a Teflon coating.
8. The ironless moving coil linear motor of claim 1, wherein: and a heat conducting rod (15) is inserted between the connecting plate (9) and the top of the connecting bin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283713.9A CN111463946A (en) | 2020-04-13 | 2020-04-13 | Coreless moving coil type linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283713.9A CN111463946A (en) | 2020-04-13 | 2020-04-13 | Coreless moving coil type linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111463946A true CN111463946A (en) | 2020-07-28 |
Family
ID=71678604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010283713.9A Pending CN111463946A (en) | 2020-04-13 | 2020-04-13 | Coreless moving coil type linear motor |
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| Country | Link |
|---|---|
| CN (1) | CN111463946A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074564A (en) * | 1991-01-16 | 1993-07-21 | Utdc股份有限公司 | The cooling structure of linear induction motor |
| JPH06165472A (en) * | 1992-11-17 | 1994-06-10 | Seikosha Co Ltd | Moving magnet-type linear dc motor |
| JPH09154272A (en) * | 1995-11-28 | 1997-06-10 | Nippon Seiko Kk | Cooling structure of linear motor |
| US20040070290A1 (en) * | 2001-07-06 | 2004-04-15 | Jae-Han Joung | Linear motor including cooling system |
| CN1747293A (en) * | 2004-09-06 | 2006-03-15 | 东芝机械株式会社 | Linear motor and linear moving stage device |
| CN101051786A (en) * | 2006-04-06 | 2007-10-10 | 深圳市大族精密机电有限公司 | No-iron core moving-coil DC motor |
| KR20080018390A (en) * | 2006-08-24 | 2008-02-28 | 삼성테크윈 주식회사 | Linear motor having air knife and chip mounter having the same |
| KR20080070302A (en) * | 2007-01-26 | 2008-07-30 | 창원대학교 산학협력단 | Cooling system for linear motors by combination of a plate cooler on the upper side and conducting sheet at the side |
| CN101427449A (en) * | 2006-04-20 | 2009-05-06 | 西德尔合作公司 | Stand for a linear electric motor comprising thermal compensation and cooling means |
| JP2012044776A (en) * | 2010-08-19 | 2012-03-01 | Thk Co Ltd | Linear motor actuator and table device |
| CN107241002A (en) * | 2016-03-28 | 2017-10-10 | 佳能特机株式会社 | The mover of vacuum linear motor |
| CN209267416U (en) * | 2018-10-09 | 2019-08-16 | 青岛凌海信机电有限公司 | A kind of ironless linear motors mover |
| CN110707897A (en) * | 2019-09-26 | 2020-01-17 | 安徽同兴科技发展有限责任公司 | Low-resistance coreless single-side permanent magnet synchronous linear motor |
-
2020
- 2020-04-13 CN CN202010283713.9A patent/CN111463946A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074564A (en) * | 1991-01-16 | 1993-07-21 | Utdc股份有限公司 | The cooling structure of linear induction motor |
| JPH06165472A (en) * | 1992-11-17 | 1994-06-10 | Seikosha Co Ltd | Moving magnet-type linear dc motor |
| JPH09154272A (en) * | 1995-11-28 | 1997-06-10 | Nippon Seiko Kk | Cooling structure of linear motor |
| US20040070290A1 (en) * | 2001-07-06 | 2004-04-15 | Jae-Han Joung | Linear motor including cooling system |
| CN1747293A (en) * | 2004-09-06 | 2006-03-15 | 东芝机械株式会社 | Linear motor and linear moving stage device |
| CN101051786A (en) * | 2006-04-06 | 2007-10-10 | 深圳市大族精密机电有限公司 | No-iron core moving-coil DC motor |
| CN101427449A (en) * | 2006-04-20 | 2009-05-06 | 西德尔合作公司 | Stand for a linear electric motor comprising thermal compensation and cooling means |
| KR20080018390A (en) * | 2006-08-24 | 2008-02-28 | 삼성테크윈 주식회사 | Linear motor having air knife and chip mounter having the same |
| KR20080070302A (en) * | 2007-01-26 | 2008-07-30 | 창원대학교 산학협력단 | Cooling system for linear motors by combination of a plate cooler on the upper side and conducting sheet at the side |
| JP2012044776A (en) * | 2010-08-19 | 2012-03-01 | Thk Co Ltd | Linear motor actuator and table device |
| CN107241002A (en) * | 2016-03-28 | 2017-10-10 | 佳能特机株式会社 | The mover of vacuum linear motor |
| CN209267416U (en) * | 2018-10-09 | 2019-08-16 | 青岛凌海信机电有限公司 | A kind of ironless linear motors mover |
| CN110707897A (en) * | 2019-09-26 | 2020-01-17 | 安徽同兴科技发展有限责任公司 | Low-resistance coreless single-side permanent magnet synchronous linear motor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200728 |
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| RJ01 | Rejection of invention patent application after publication |