CN112275604A - Short-stroke vibration electromagnetic cylinder device - Google Patents
Short-stroke vibration electromagnetic cylinder device Download PDFInfo
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- CN112275604A CN112275604A CN202010975543.0A CN202010975543A CN112275604A CN 112275604 A CN112275604 A CN 112275604A CN 202010975543 A CN202010975543 A CN 202010975543A CN 112275604 A CN112275604 A CN 112275604A
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- stator
- steel bar
- magnetic steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention relates to the technical field of vibration equipment, in particular to a short-stroke vibration electromagnetic cylinder device, which comprises: stator module, bar magnet, dustcoat, uide bushing, spring and bottom plate. The magnetic steel bar is sleeved on the inner side of the stator component, and a mechanical air gap is arranged between the magnetic steel bar and the stator component; the outer cover is arranged above the stator assembly and the magnetic steel bar, and the upper end of the magnetic steel bar is fixedly connected with the outer cover; the guide sleeve is arranged on the outer side of the stator assembly and is fixedly connected with the outer cover; the bottom plate is arranged below the stator assembly and the magnetic steel bar and is fixedly connected with the stator assembly; the spring housing is in the stator module outside, and the upper end and the uide bushing of spring are connected, and the lower extreme and the bottom plate of spring are connected. The short-stroke vibration electromagnetic cylinder device provided by the invention utilizes the characteristics of high speed, large acceleration and the like of a linear motor, has a compact structure, small volume, short stroke and high vibration frequency, and is very suitable for entertainment and leisure equipment such as a vibration seat, a vibration sofa and the like.
Description
Technical Field
The invention relates to the technical field of vibration equipment, in particular to a short-stroke vibration electromagnetic cylinder device.
Background
Mechanical vibration refers to the regular reciprocating motion of an object or particle near its equilibrium position. The reciprocating linear motion is one of reciprocating motion, and is widely applied in actual life, such as a guide rail slide block, a cylinder and the like. For the guide rail sliding block, a front end driving device is required to drive, such as a motor and a screw rod, or an air cylinder, and when the reciprocating linear motion stroke is short, the whole structure is complex, the size is large, and the manufacturing cost is high. For the cylinder, need be equipped with air supply, control valve, pipeline etc. and noise at work is big and thrust is less partially. For high-frequency vibration occasions, the problem to be solved in the field is how to avoid the problems of complex integral structure, large volume, high manufacturing cost and the like of equipment.
Disclosure of Invention
The invention provides a short-stroke vibrating electromagnetic cylinder device, aiming at the technical problems of complex integral structure, large volume, high manufacturing cost and the like of vibrating equipment in the prior art.
The technical scheme for solving the technical problems is as follows:
a short stroke vibrating electromagnetic cylinder apparatus comprising: the stator assembly, the magnetic steel bar, the outer cover, the guide sleeve, the spring and the bottom plate; the magnetic steel bar is sleeved on the inner side of the stator assembly, and a mechanical air gap is arranged between the magnetic steel bar and the stator assembly; the outer cover is arranged above the stator assembly and the magnetic steel bar, and the upper end of the magnetic steel bar is fixedly connected with the outer cover; the guide sleeve is arranged on the outer side of the stator assembly and is fixedly connected with the outer cover; the bottom plate is arranged below the stator assembly and the magnetic steel bar and is fixedly connected with the stator assembly; the spring sleeve is arranged on the outer side of the stator assembly, the upper end of the spring is connected with the guide sleeve, and the lower end of the spring is connected with the bottom plate.
Further, the stator assembly includes: a stator winding and a stator housing; the stator winding is embedded into a stator shell and then encapsulated into a whole; the magnetic steel bar is arranged on the inner side of the stator winding; the guide sleeve and the spring are arranged on the outer side of the stator shell; the bottom plate is fixedly connected with the stator shell.
Furthermore, U, V, W three-phase coils are sequentially wound on the stator winding, and the winding direction of the coils is the circumferential direction.
Furthermore, the polarity distribution mode of the permanent magnets of the magnetic steel bar is that the annular permanent magnets with different magnetic poles are alternately stacked in the axial direction.
Further, the method also comprises the following steps: a self-lubricating bearing; the self-lubricating bearing is arranged between the guide sleeve and the stator shell; the inner side of the self-lubricating bearing is in contact with the outer side of the stator shell, and the outer side of the self-lubricating bearing is in contact with the inner side of the guide sleeve.
Furthermore, a smooth guide surface is arranged on the outer side of the stator shell, and the guide surface is matched with the self-lubricating bearing.
Further, the method also comprises the following steps: the first connecting piece, the second connecting piece and the third connecting piece; the upper end of the magnetic steel bar is fixedly connected with the outer cover through the first connecting piece; the outer cover is fixedly connected with the upper end of the guide sleeve through the second connecting piece; the bottom plate is fixedly connected with the lower end of the stator shell through the third connecting piece.
Furthermore, the magnetic steel bar, the stator winding, the stator shell and the guide sleeve are all in a cylindrical shape.
The short-stroke vibrating electromagnetic cylinder device provided by the invention at least has the following beneficial effects or advantages:
according to the short-stroke vibration electromagnetic cylinder device, the magnetic steel bar is sleeved on the inner side of the stator component, and a mechanical air gap is formed between the magnetic steel bar and the stator component; the outer cover is arranged above the stator assembly and the magnetic steel bar, and the upper end of the magnetic steel bar is fixedly connected with the outer cover; the guide sleeve is arranged on the outer side of the stator assembly and is fixedly connected with the outer cover; the bottom plate is arranged below the stator assembly and the magnetic steel bar and is fixedly connected with the stator assembly; the spring housing is in the stator module outside, and the upper end and the uide bushing of spring are connected, and the lower extreme and the bottom plate of spring are connected. According to the short-stroke vibration electromagnetic cylinder device, after three-phase current is introduced, the current in the stator assembly can generate a traveling wave magnetic field which moves linearly along the axial direction in the air gap, and magnetic tension is generated by interaction of the traveling wave magnetic field and an excitation magnetic field generated by the magnetic steel bar permanent magnet, so that the reciprocating linear motion of the magnetic steel bar is realized. Through PWM control, the short-stroke, fast and high-frequency reciprocating linear motion of the magnetic steel bar can be realized. The short-stroke vibration electromagnetic cylinder device provided by the invention utilizes the characteristics of high speed, large acceleration and the like of a linear motor, has a compact structure, small volume, short stroke and high vibration frequency, and is very suitable for entertainment and leisure equipment such as a vibration seat, a vibration sofa and the like.
Drawings
FIG. 1 is a cross-sectional view of an extended state of a magnetic steel bar according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a retracted state of a magnetic steel bar according to an embodiment of the present invention;
FIG. 3 is a simplified stator winding coil winding diagram provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a magnetic steel bar permanent magnet polarity distribution provided by an embodiment of the present invention;
FIG. 5 is a stator housing guide surface provided by an embodiment of the present invention;
fig. 6 shows a mechanical air gap between the stator winding and the magnetic steel bar according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-stator shell, 2-stator winding, 3-magnetic steel bar, 4-guide sleeve, 5-bottom plate, 6-self-lubricating bearing, 7-outer cover and 8-spring.
Detailed Description
The invention provides a short-stroke vibrating electromagnetic cylinder device, aiming at the technical problems of complex integral structure, large volume, high manufacturing cost and the like of vibrating equipment in the prior art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a short-stroke vibration electromagnetic cylinder device, which mainly includes, referring to fig. 1 to 6: stator module, bar magnet 3, dustcoat 7, uide bushing 4, spring 8 and bottom plate 5. The magnetic steel bar 3 is sleeved on the inner side of the stator component, the permanent magnet polarity distribution mode of the magnetic steel bar 3 is that annular permanent magnets with different magnetic poles (including N pole and S pole) are alternately stacked in the axial direction, and a mechanical air gap B is arranged between the magnetic steel bar 3 and the stator component. The outer cover 7 is arranged above the stator assembly and the magnetic steel bar 3, and the upper end of the magnetic steel bar 3 is fixedly connected with the outer cover 7; the guide sleeve 4 is arranged on the outer side of the stator assembly, and the guide sleeve 4 is fixedly connected with the outer cover 7. The bottom plate 5 is arranged below the stator assembly and the magnetic steel bar 3, and the bottom plate 5 is fixedly connected with the stator assembly; spring 8 cover is in the stator module outside, and spring 8's upper end is connected with uide bushing 4, and spring 8's lower extreme is connected with bottom plate 5, and spring 8 mainly plays reply, buffering and inhale the effect of shake.
In a preferred embodiment provided by the present invention, and with reference to fig. 1-3, the stator assembly comprises: stator winding 2 and stator housing 1. The stator winding 2 is encapsulated into a whole after being arranged in the stator shell 1; the magnetic steel bar 3 is arranged at the inner side of the stator winding 2; the guide sleeve 4 and the spring 8 are arranged outside the stator shell 1; the bottom plate 5 is fixedly connected with the stator housing 1. U, V, W three-phase coils are sequentially wound on the stator winding 2, and the winding direction of the coils is the circumferential direction. In the embodiment of the invention, the magnetic steel bar 3, the stator winding 2, the stator shell 1 and the guide sleeve 4 are all in a cylindrical shape.
In a preferred embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 5, in order to realize the guiding function of the stator housing 1, the short stroke vibration electromagnetic cylinder device further includes: a self-lubricating bearing 6. The self-lubricating bearing 6 is arranged between the guide sleeve 4 and the stator shell 1; the inner side of the self-lubricating bearing 6 is contacted with the outer side of the stator shell 1, the outer side of the stator shell 1 is provided with a smooth guide surface A, and the guide surface is matched with the self-lubricating bearing 6; the outer side of the self-lubricating bearing 6 is in contact with the inner side of the guide sleeve 4. The self-lubricating bearing 6 and the stator housing 1 have a reciprocating guiding function, so that a uniform mechanical air gap is ensured between the magnetic steel bar 3 and the stator winding 2.
In a preferred embodiment of the present invention, referring to fig. 1 and 2, the short stroke vibration electromagnetic cylinder device further includes: the first connecting piece, second connecting piece and third connecting piece. In this embodiment, the first connecting piece, the second connecting piece and the third connecting piece are detachable bolt assemblies, which is convenient for the installation and the detachment of each part. The upper end of the magnetic steel bar 3 is fixedly connected with the outer cover 7 through a first connecting piece; the outer cover 7 is fixedly connected with the upper end of the guide sleeve 4 through a second connecting piece; the bottom plate 5 is fixedly connected with the lower end of the stator shell 1 through a third connecting piece.
Referring to fig. 1 to 6, the working process of the short stroke vibrating electromagnetic cylinder device provided by the embodiment of the invention is as follows: when the stator winding 2 is connected with three-phase current, the magnetic steel bar 3 generates a traveling wave magnetic field which moves linearly along the axial direction in the air gap under the control of the PWM signal, and the magnetic pull force is generated by the interaction of the traveling wave magnetic field and the excitation magnetic field generated by the permanent magnet of the magnetic steel bar 3, thereby realizing the reciprocating linear motion of the magnetic steel bar 3. When the magnetic steel bar 3 extends, the spring 8 is reset, and when the magnetic steel bar 3 retracts, the spring 8 is compressed. Through PWM control, realize 3 short strokes of bar magnet, quick high frequency reciprocal linear motion, that is high frequency vibration of bar magnet.
The short-stroke vibrating electromagnetic cylinder device provided by the embodiment of the invention at least has the following beneficial effects or advantages:
according to the short-stroke vibrating electromagnetic cylinder device provided by the embodiment of the invention, the magnetic steel bar is sleeved on the inner side of the stator component, and a mechanical air gap is arranged between the magnetic steel bar and the stator component; the outer cover is arranged above the stator assembly and the magnetic steel bar, and the upper end of the magnetic steel bar is fixedly connected with the outer cover; the guide sleeve is arranged on the outer side of the stator assembly and is fixedly connected with the outer cover; the bottom plate is arranged below the stator assembly and the magnetic steel bar and is fixedly connected with the stator assembly; the spring housing is in the stator module outside, and the upper end and the uide bushing of spring are connected, and the lower extreme and the bottom plate of spring are connected. According to the short-stroke vibration electromagnetic cylinder device, after three-phase current is introduced, the current in the stator assembly can generate a traveling wave magnetic field which moves linearly along the axial direction in the air gap, and magnetic tension is generated by interaction of the traveling wave magnetic field and an excitation magnetic field generated by the magnetic steel bar permanent magnet, so that the reciprocating linear motion of the magnetic steel bar is realized. Through PWM control, the short-stroke, fast and high-frequency reciprocating linear motion of the magnetic steel bar can be realized. The short-stroke vibration electromagnetic cylinder device provided by the invention utilizes the characteristics of high speed, large acceleration and the like of a linear motor, has a compact structure, small volume, short stroke and high vibration frequency, and is very suitable for entertainment and leisure equipment such as a vibration seat, a vibration sofa and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A short stroke vibrating electromagnetic cylinder apparatus, comprising: the stator component, the magnetic steel bar (3), the outer cover (7), the guide sleeve (4), the spring (8) and the bottom plate (5); the magnetic steel bar (3) is sleeved on the inner side of the stator assembly, and a mechanical air gap is arranged between the magnetic steel bar (3) and the stator assembly; the outer cover (7) is arranged above the stator assembly and the magnetic steel bar (3), and the upper end of the magnetic steel bar (3) is fixedly connected with the outer cover (7); the guide sleeve (4) is arranged on the outer side of the stator assembly, and the guide sleeve (4) is fixedly connected with the outer cover (7); the bottom plate (5) is arranged below the stator assembly and the magnetic steel bar (3), and the bottom plate (5) is fixedly connected with the stator assembly; the spring (8) is sleeved on the outer side of the stator assembly, the upper end of the spring (8) is connected with the guide sleeve (4), and the lower end of the spring (8) is connected with the bottom plate (5).
2. The short stroke vibratory electromagnetic cylinder apparatus as set forth in claim 1 wherein said stator assembly comprises: a stator winding (2) and a stator housing (1); the stator winding (2) is embedded into the stator shell (1) and then encapsulated into a whole; the magnetic steel bar (3) is arranged on the inner side of the stator winding (2); the guide sleeve (4) and the spring (8) are arranged on the outer side of the stator shell (1); the bottom plate (5) is fixedly connected with the stator shell (1).
3. The short stroke vibration electromagnetic cylinder device according to claim 2, wherein U, V, W three-phase coils are sequentially wound on the stator winding (2), and the winding direction of the coils is a circumferential direction.
4. The short stroke vibrating electromagnetic cylinder device according to claim 1, wherein the permanent magnet poles of the magnetic steel bar (3) are distributed in a way that the annular permanent magnets with different magnetic poles are alternately stacked in the axial direction.
5. The short stroke vibrating electromagnetic cylinder device according to claim 2 or 3, further comprising: a self-lubricating bearing (6); the self-lubricating bearing (6) is arranged between the guide sleeve (4) and the stator shell (1); the inner side of the self-lubricating bearing (6) is in contact with the outer side of the stator shell (1), and the outer side of the self-lubricating bearing (6) is in contact with the inner side of the guide sleeve (4).
6. Short stroke vibrating electromagnetic cylinder device according to claim 5, characterised in that the stator housing 1 is provided with smooth guiding surfaces on the outside, which guiding surfaces cooperate with the self-lubricating bearing (6).
7. The short stroke vibrating electromagnetic cylinder device according to claim 2 or 3, further comprising: the first connecting piece, the second connecting piece and the third connecting piece; the upper end of the magnetic steel bar (3) is fixedly connected with the outer cover (7) through the first connecting piece; the outer cover (7) is fixedly connected with the upper end of the guide sleeve (4) through the second connecting piece; the bottom plate (5) is fixedly connected with the lower end of the stator shell (1) through the third connecting piece.
8. A short stroke vibrating electromagnetic cylinder device according to claim 2 or 3, characterized in that the magnetic steel bar (3), the stator winding (2), the stator housing (1) and the guide sleeve (4) are all cylindrical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010975543.0A CN112275604A (en) | 2020-09-16 | 2020-09-16 | Short-stroke vibration electromagnetic cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010975543.0A CN112275604A (en) | 2020-09-16 | 2020-09-16 | Short-stroke vibration electromagnetic cylinder device |
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| Publication Number | Publication Date |
|---|---|
| CN112275604A true CN112275604A (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010975543.0A Pending CN112275604A (en) | 2020-09-16 | 2020-09-16 | Short-stroke vibration electromagnetic cylinder device |
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| CN (1) | CN112275604A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008067462A (en) * | 2006-09-06 | 2008-03-21 | Mitsubishi Electric Corp | Linear motor and mounting device using the same |
| CN201113747Y (en) * | 2007-09-14 | 2008-09-10 | 王继全 | Electromagnetic cylinder |
| CN103036387A (en) * | 2011-09-30 | 2013-04-10 | 三星电机株式会社 | Linear vibration motor |
| CN110165864A (en) * | 2019-05-15 | 2019-08-23 | 浙江省东阳市东磁诚基电子有限公司 | Linear motion motor and application method |
| JP2020125782A (en) * | 2019-02-01 | 2020-08-20 | Ｋｙｂ株式会社 | Electromagnetic shock absorber |
-
2020
- 2020-09-16 CN CN202010975543.0A patent/CN112275604A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008067462A (en) * | 2006-09-06 | 2008-03-21 | Mitsubishi Electric Corp | Linear motor and mounting device using the same |
| CN201113747Y (en) * | 2007-09-14 | 2008-09-10 | 王继全 | Electromagnetic cylinder |
| CN103036387A (en) * | 2011-09-30 | 2013-04-10 | 三星电机株式会社 | Linear vibration motor |
| JP2020125782A (en) * | 2019-02-01 | 2020-08-20 | Ｋｙｂ株式会社 | Electromagnetic shock absorber |
| CN110165864A (en) * | 2019-05-15 | 2019-08-23 | 浙江省东阳市东磁诚基电子有限公司 | Linear motion motor and application method |
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Application publication date: 20210129 |
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| RJ01 | Rejection of invention patent application after publication |