CN208589903U - Non-circular tubulose linear motor - Google Patents
Non-circular tubulose linear motor Download PDFInfo
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- CN208589903U CN208589903U CN201821009672.9U CN201821009672U CN208589903U CN 208589903 U CN208589903 U CN 208589903U CN 201821009672 U CN201821009672 U CN 201821009672U CN 208589903 U CN208589903 U CN 208589903U
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Abstract
The utility model provides a kind of non-circular tubulose linear motor, including linear electric motor primary and linear motor it is secondary, linear electric motor primary is set in linear motor secondary, and linear electric motor primary or linear motor secondary do linear reciprocating motion along its axis direction；Wherein, linear electric motor primary includes primary shell, the primary casing and primary coil that primary interior of shell is arranged in, wherein primary coil is set on primary casing, the outer wall of primary casing is adapted with the inner wall of primary coil, and primary casing is positioned and is oriented to primary coil；Linear motor secondary includes secondary casing, the permanent magnet and magnetic yoke that secondary inside pipe casing is arranged in, wherein permanent magnet and the setting of magnetic yoke interval, and the pole orientation of adjacent permanent magnet is opposite.The utility model had both retained the low and compact-sized feature of tubular linear motor cost, while having promoted the thrust density of tubulose linear motor, and widened the application range of tubular linear motor.
Description
Technical field
The utility model relates to techniques of linear motor fields, more specifically, are related to a kind of non-circular tubulose linear motor.
Background technique
With the continuous development of techniques of linear motor, the application of linear motor is increasingly extensive, and common linear motor is main
It is divided into the three categories motors such as plate, U-shaped iron-core-free and tubulose ironless linear.
Wherein, flat plate type linear motor thrust density is big, is applicable to the occasion of high thrust, but plate motor has
Slot force and biggish force oscillation are not suitable for the more demanding occasion of robust motion.U-shaped ironless linear motors and pipe
For shape ironless linear motors without Slot force and magnetic attraction, robust motion is good, to the demanding occasion of stationarity very
It is applicable in, the two compares, and U-shaped ironless linear motors cost and volume are big, but also has relatively high thrust density；Tubulose iron-free
Core linear motor cost is lower, and structure is more compact, but thrust density is relatively low, is that thrust density is the smallest in three kinds of motors
Type.
Utility model content
In view of the above problems, the purpose of the utility model is to provide a kind of non-circular tubulose linear motor, it is straight tubulose had both been retained
The low and compact-sized feature of line motor cost, while the thrust density of tubulose linear motor is promoted, and widen tubular linear electricity
The application range of machine.
Non-circular tubulose linear motor provided by the utility model, including linear electric motor primary and linear motor secondary, it is described
Linear electric motor primary is set in the linear motor secondary, and the linear electric motor primary or the linear motor secondary are along it
Axis direction does linear reciprocating motion；Wherein,
The linear electric motor primary includes primary shell, the primary casing and primary line that the primary interior of shell is arranged in
Circle, wherein the primary coil is set on the primary casing, and the outer wall of the primary casing is interior with the primary coil
Wall is adapted, and the primary casing is positioned and is oriented to the primary coil；
The linear motor secondary includes secondary casing, the permanent magnet and magnetic yoke that the secondary inside pipe casing is arranged in,
In, the permanent magnet and magnetic yoke interval setting, and the pole orientation of adjacent permanent magnet is opposite.
Furthermore it is preferred that structure be that the linear electric motor primary further includes sealing ring, wherein
The both ends of the primary shell are arranged in the sealing ring, and the primary casing and the primary coil are sealed in
On the primary shell.
Furthermore it is preferred that structure be that the linear motor secondary further includes secondary end locating piece, wherein
The both ends of the secondary casing are arranged in the secondary end locating piece, and the permanent magnet and magnetic yoke are fixed on institute
State secondary inside pipe casing.
Furthermore it is preferred that structure be to be provided with gap, the straight-line electric between the primary casing and the secondary casing
Machine primary or the linear motor secondary do linear reciprocating motion in the gap.
Furthermore it is preferred that structure be, when the linear electric motor primary moves, and the linear motor secondary is fixed, this electricity
Machine is dynamic coil linear motor；
When the linear electric motor primary is fixed, when the linear motor collateral motion, this motor is moving-magnetic type linear motor.
Furthermore it is preferred that structure be, when the cross section of the primary coil is racetrack, the inner hole of the primary shell,
The primary casing, the permanent magnet, the magnetic yoke, the shape of cross section of the secondary casing are racetrack.
Furthermore it is preferred that structure be, when the cross section of the primary coil is ellipse, the inner hole of the primary shell,
The primary casing, the permanent magnet, the magnetic yoke, the shape of cross section of the secondary casing are ellipse.
It can be seen from the above technical scheme that non-circular tubulose linear motor provided by the utility model, can either retain tubulose
Linear motor feature at low cost and compact-sized, while the thrust density of tubular linear motor can also be substantially improved, it widens
The application range of tubular linear motor.The utility model increases linear motor overall structure not by the design of on-circular cross-section
Or in the case where increasing very little, the area in magnetic field and the effective length of coil are greatly improved, to greatly improve linear motor
Power output makes non-circular tubulose linear motor have higher thrust density than general tubular linear motor.So that non-round
Shape linear motor has the characteristics that slotless power, big without electromagnetic attraction, compact-sized, simple process, thrust density.
Detailed description of the invention
By reference to the following description in conjunction with the accompanying drawings and the contents of the claims, and with to the utility model more
Comprehensive understanding, other purposes and result of the utility model will be more clearly understood and understood.
In the accompanying drawings:
Fig. 1 is the non-circular tubulose structure of the linear motion actuator schematic diagram according to the utility model embodiment one；
Fig. 2 is the linear electric motor primary structural schematic diagram according to the utility model embodiment one；
Fig. 3 is the linear motor secondary structure schematic diagram according to the utility model embodiment one；
Fig. 4 is the linear electric motor primary decomposition texture schematic diagram according to the utility model embodiment one；
Fig. 5-1 is the linear electric motor primary side view according to the utility model embodiment one；
Fig. 5-2 is the sectional view of the A-A along Fig. 5-1；
Fig. 6 is the linear motor secondary decomposition texture schematic diagram according to the utility model embodiment one；
Fig. 7-1 is the linear motor secondary side view according to the utility model embodiment one；
Fig. 7-2 is the sectional view of the B-B along Fig. 7-1；
Fig. 8 is the non-circular tubulose structure of the linear motion actuator schematic diagram according to the utility model embodiment two；
Fig. 9-1 is the non-circular tubulose linear motor side structure schematic view according to the utility model embodiment two；
Fig. 9-2 is the sectional view of the C-C along Fig. 9-1.
Appended drawing reference therein includes: 1, linear electric motor primary, 2, linear motor it is secondary, 101, primary shell, 102, just
Grade coil, 103, primary casing, 104, primary seal ring, 201, secondary end locating piece, 202, magnetic yoke, 203, permanent magnet,
204, secondary casing.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific embodiment
Specific embodiment of the utility model is described in detail below with reference to attached drawing.
The utility model provides a kind of non-circular tubulose linear motor, including linear electric motor primary and linear motor secondary,
Linear electric motor primary includes primary shell, primary coil, primary casing and sealing ring；Linear motor secondary includes permanent magnet, magnetic
Yoke, end locating piece, secondary casing.
Wherein, there are certain gap, linear electric motor primary or linear motors between primary casing and secondary casing
Grade can do linear reciprocating motion along its axis direction.
This linear motor at work, can be such that linear electric motor primary moves, and linear motor secondary is fixed, and be also possible to straight
Line electric motor primary is fixed, linear motor collateral motion, wherein the former belongs to dynamic coil linear motor, and it is straight that the latter belongs to moving-magnetic type
Line motor.
That is, this motor belongs to moving-coil type straight line when linear electric motor primary does linear reciprocating motion along its axis
Motor；When linear motor secondary does linear reciprocating motion along its axis, this motor belongs to moving-magnetic type linear motor.
In the embodiments of the present invention, when the cross section of primary coil is racetrack, the inner hole of primary shell, primary
Casing, permanent magnet, magnetic yoke, the shape of cross section of secondary casing are racetrack.
When the cross section of primary coil is ellipse, the inner hole of primary shell, primary casing, permanent magnet, magnetic yoke, secondary set
The shape of the cross section of pipe is ellipse.
Embodiment one
In order to illustrate non-circular tubulose linear motor provided by the utility model structure (cross section of primary coil be runway
Type), Fig. 1 to Fig. 7-2 has carried out exemplary mark to the structure of non-circular tubulose linear motor from different perspectives respectively.Specifically,
Fig. 1 shows the non-circular tubulose structure of the linear motion actuator according to the utility model embodiment one；Fig. 2 shows according to the utility model
The linear electric motor primary structure of embodiment one；Fig. 3 shows the linear motor secondary structure according to the utility model embodiment one；
Fig. 4 is the linear electric motor primary decomposition texture schematic diagram according to the utility model embodiment one；Fig. 5-1 is according to the utility model
The linear electric motor primary side view of embodiment one；Fig. 5-2 is the sectional view of the A-A along Fig. 5-1；Fig. 6 is according to the utility model
The linear motor secondary decomposition texture schematic diagram of embodiment one；Fig. 7-1 is the linear motor according to the utility model embodiment one
Secondary side view；Fig. 7-2 is the sectional view of the B-B along Fig. 7-1.
As Fig. 1 to Fig. 7-2 it is common shown in, the utility model provides a kind of non-circular tubulose linear motor, the cross of primary coil
Section is racetrack, correspondingly, the inner hole of primary shell, primary casing, permanent magnet, magnetic yoke, secondary casing cross section shape
Shape is racetrack.
In the embodiments of the present invention, non-circular tubulose linear motor includes linear electric motor primary 1 and linear motor
Grade 2, linear electric motor primary 1 is set in linear motor secondary 2, and linear electric motor primary 1 or linear motor secondary 2 are along its axis
Do linear reciprocating motion in direction.
Specifically, linear electric motor primary 1 includes primary shell 101, the primary casing being arranged in inside primary shell 101
103 and primary coil 102, wherein primary coil 102 is set on primary casing 103, the outer wall of primary casing 103 and primary
The inner wall of coil 102 is adapted, and primary casing 103 is positioned and is oriented to primary coil 102；
Linear motor secondary 2 includes secondary casing 204, the permanent magnet 203 being arranged in inside secondary casing 204 and magnetic yoke
202, wherein permanent magnet 203 and the setting of the interval of magnetic yoke 202, and the pole orientation of adjacent permanent magnet 203 is opposite.
In the embodiments of the present invention, linear electric motor primary 1 further includes sealing ring 104, wherein sealing ring 104 is set
It sets at the both ends of primary shell 101, primary casing 103 and primary coil 102 is sealed on primary shell 101.
Wherein, it is fixed together by welding between primary coil 102, is set between primary shell 101 and primary coil 102
It is equipped with gap, facilitates the connecting line cabling between primary coil 102.Also, setting filling glue in gap, by primary coil 102
It is fixed on primary shell 101 with primary casing 103.
It should be noted that the quantity of primary coil 102 is determined according to practical application, if in practical applications,
Need the power output of motor big, then increasing the quantity of primary coil 102, then to increase the effective length of coil and the face in magnetic field
Product, so as to improve the power output of motor.
In the embodiments of the present invention, linear motor secondary 2 further includes secondary end locating piece 201, wherein secondary
The both ends of secondary casing 204 are arranged in end locating piece 201, and permanent magnet 203 and magnetic yoke 202 are fixed in secondary casing 204
Portion.
In addition, being provided with gap between primary casing 103 and secondary casing 204, directly in the embodiments of the present invention
Line electric motor primary or linear motor secondary do linear reciprocating motion in the gap.Wherein, linear electric motor primary is in gap
Linear reciprocating motion is inside done, this motor belongs to dynamic coil linear motor；Linear motor secondary does linear reciprocating motion in gap,
This motor belongs to moving-magnetic type linear motor.
Embodiment two
In order to illustrate non-circular tubulose linear motor provided by the utility model structure (cross section of primary coil be ellipse
Shape), Fig. 8 to Fig. 9-2 has carried out exemplary mark to the structure of non-circular tubulose linear motor from different perspectives respectively.Specifically,
Fig. 8 shows the non-circular tubulose structure of the linear motion actuator according to the utility model embodiment two；Fig. 9-1 shows practical new according to this
The non-circular tubulose linear motor side view structure of type embodiment two；Fig. 9-2 is the sectional view of the C-C along Fig. 9-1.
In the embodiment shown in Fig. 8 to Fig. 9-2, the utility model provides a kind of non-circular tubulose linear motor, primary line
The cross section of circle is ellipse, correspondingly, the inner hole of primary shell, primary casing, permanent magnet, magnetic yoke, secondary casing it is transversal
The shape in face is ellipse.
Theory structure in embodiment shown in Fig. 8 to Fig. 9-2 is similar with embodiment one, and the main distinction is magnet, line
The cross section of the components such as circle is ellipse, and therefore, concrete principle structure does not repeat one by one herein.
By above embodiment as can be seen that non-circular tubulose linear motor provided by the utility model, can either retain
The low and compact-sized feature of tubular linear motor cost, while the thrust density of tubular linear motor can also be substantially improved,
Widen the application range of tubular linear motor.The utility model makes linear motor overall structure not by the design of on-circular cross-section
In the case where increasing or increasing very little, the area in magnetic field and the effective length of coil are greatly improved, to greatly improve straight-line electric
The power output of machine makes non-circular tubulose linear motor have higher thrust density than general tubular linear motor.So that non-
Circular tube shaped linear motor has the characteristics that slotless power, big without electromagnetic attraction, compact-sized, simple process, thrust density.
Described in an illustrative manner above with reference to attached drawing according to the utility model proposes non-circular tubulose linear motor.But
It is, it, can also be it will be appreciated by those skilled in the art that for the non-circular tubulose linear motor that above-mentioned the utility model is proposed
It does not depart from and makes various improvement on the basis of the content of the present invention.Therefore, the protection scope of the utility model should be by appended
Claims content determine.
Claims (7)
1. a kind of non-circular tubulose linear motor, which is characterized in that, the straight line secondary including linear electric motor primary and linear motor
Electric motor primary is set in the linear motor secondary, and the linear electric motor primary or the linear motor secondary are along its axis
Do linear reciprocating motion in direction；Wherein,
The linear electric motor primary includes primary shell, the primary casing and primary coil that the primary interior of shell is arranged in,
Wherein, the primary coil is set on the primary casing, the outer wall of the primary casing and the inner wall of the primary coil
It is adapted, the primary casing is positioned and is oriented to the primary coil；
The linear motor secondary includes secondary casing, the permanent magnet and magnetic yoke that the secondary inside pipe casing is arranged in, wherein institute
Permanent magnet and magnetic yoke interval setting are stated, and the pole orientation of adjacent permanent magnet is opposite.
2. non-circular tubulose linear motor as described in claim 1, which is characterized in that
The linear electric motor primary further includes sealing ring, wherein
The both ends of the primary shell are arranged in the sealing ring, the primary casing and the primary coil are sealed in described
On primary shell.
3. non-circular tubulose linear motor as described in claim 1, which is characterized in that
The linear motor secondary further includes secondary end locating piece, wherein
The both ends of the secondary casing are arranged in the secondary end locating piece, and the permanent magnet and magnetic yoke are fixed on described time
Grade inside pipe casing.
4. non-circular tubulose linear motor as described in claim 1, which is characterized in that
Gap, the linear electric motor primary or the linear motor are provided between the primary casing and the secondary casing
Secondary does linear reciprocating motion in the gap.
5. non-circular tubulose linear motor as described in claim 1, which is characterized in that
When the linear electric motor primary moves, and the linear motor secondary is fixed, this motor is dynamic coil linear motor；
When the linear electric motor primary is fixed, when the linear motor collateral motion, this motor is moving-magnetic type linear motor.
6. non-circular tubulose linear motor as described in claim 1, which is characterized in that
When the cross section of the primary coil is racetrack, the inner hole of the primary shell, the primary casing, the permanent magnetism
Body, the magnetic yoke, the shape of cross section of the secondary casing are racetrack.
7. non-circular tubulose linear motor as described in claim 1, which is characterized in that
When the cross section of the primary coil is ellipse, the inner hole of the primary shell, the primary casing, the permanent magnetism
Body, the magnetic yoke, the shape of cross section of the secondary casing are ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821009672.9U CN208589903U (en) | 2018-06-27 | 2018-06-27 | Non-circular tubulose linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821009672.9U CN208589903U (en) | 2018-06-27 | 2018-06-27 | Non-circular tubulose linear motor |
Publications (1)
| Publication Number | Publication Date |
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| CN208589903U true CN208589903U (en) | 2019-03-08 |
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ID=65538697
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821009672.9U Active CN208589903U (en) | 2018-06-27 | 2018-06-27 | Non-circular tubulose linear motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019115171A (en) * | 2017-12-22 | 2019-07-11 | 日本パルスモーター株式会社 | Movable element of linear motor and its manufacturing method |
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2018
- 2018-06-27 CN CN201821009672.9U patent/CN208589903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019115171A (en) * | 2017-12-22 | 2019-07-11 | 日本パルスモーター株式会社 | Movable element of linear motor and its manufacturing method |
| JP6989846B2 (en) | 2017-12-22 | 2022-01-12 | 日本パルスモーター株式会社 | Linear motor mover and its manufacturing method |
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