CN106612046A - Rotary and linear motion mechanism - Google Patents
Rotary and linear motion mechanism Download PDFInfo
- Publication number
- CN106612046A CN106612046A CN201510695613.6A CN201510695613A CN106612046A CN 106612046 A CN106612046 A CN 106612046A CN 201510695613 A CN201510695613 A CN 201510695613A CN 106612046 A CN106612046 A CN 106612046A
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- Prior art keywords
- axle
- axis hole
- straight
- motion mechanism
- line motion
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Abstract
The invention relates to a rotary and linear motion mechanism, which comprises a body part, a rotary drive part, a linear drive part, a shaft part and a sliding part, wherein the rotary drive part is provided with a first axle hole; the linear drive part is provided with a second axle hole; the first axle hole is in a geometrical shape except for a circle; the shaft part slides in a radial section shape, corresponding to a shaft body part, of the first axle hole and a geometrical shape complementary with the first axle hole in penetrating and extending manners; and the sliding part is coaxial to the first axle hole, slides on the shaft body part, of the geometrical shape complementary with the first axle hole in a sleeving manner, of the shaft part and is located and fixedly arranged in the body part. According to the rotary and linear motion mechanism, the rotating force on the shaft part is more balanced, so that the loss caused by excessive stress concentration is avoided and construction of the geometrical shape is easier in processing; and the shaft part provides an appropriate support by virtue of the sliding part and the condition that the working accuracy is affected by abrasion of the shaft part is avoided.
Description
Technical field
The present invention relates to motor technology field, more particularly to a kind of rotation and straight-line motion mechanism.
Background technology
To meet the demand that industry is had concurrently with linear motion to rotation, disclose rotation motor in known technology
Concatenated with linear motor coaxially to each other, realize output rotation and the motion of straight line on same force-output shaft, specifically
Technology contents Linear Rotation device as shown in Figure 1, in the device, the heart axle 2 of rotation motor 1 is by connection
Axle device 3 is coaxial with the bar-shaped mover 5 of linear motor 4 to be coupled, for the rotation for providing the rotation motor 1
Action and the linearly operating provided by the linear motor 4, outwards transmit by the driving section 6 being coaxially disposed,
Which is made to meet the demand of industry.
Wherein, be allow the heart axle 2 can be with the action of the bar-shaped mover 5 relative to the rotation motor 1
The relative displacement on axial direction is carried out, and is maintained between the heart axle 2 and the rotor of the rotation motor 1 diametrically
Engagement, the keyway 7 of suitable length is then just extended axially by the heart axle 2, and will be with spline
89 coaxial package of transmission ring is on the heart axle 2, and the spline 8 is slidedly arranged in the keyway 7, allows
While the heart axle 2 carries out axially reciprocating, still can be by the keyway 7 and spline 8 rabbeted each other, dimension
Hold the heart axle 2 to engage with the radial direction between the rotor of the rotation motor 1, this can be made by the rotation motor 1
Heart axle 2 is rotated.
Exactly because the heart axle 2 has transmission and the sliding construction of rotation and axial direction concurrently, so reaching above-mentioned purpose
With effect, but the skill that the heart axle 2 is engaged by sliding between keyway 7 and spline 8 and between keeping radially
Art content, in addition to the defect that heart axle 2 can be made easily stress concentrations occur when by rotation force,
Requirement in manufacture processing is also very high, along with the appropriate lubrication mechanism of its shortcoming, also easily makes the heart axle
2 produce undue wear in lasting axial reciprocating sliding process, so that the precision of impact action so as to
The industrial field applied is adversely affected.For this reason, it may be necessary to propose a kind of rotation and straight-line motion mechanism.
The content of the invention
It is an object of the invention to provide a kind of rotation and straight-line motion mechanism, drive of the mechanism by rotation motor
Sliding, the shape of first axis hole and the rod-like shaft are worn between first axis hole and bar-shaped axle portion in dynamic portion coaxially
Portion is shaped as non-circular geometry complimentary to one another, the axle portion is back and forth moved along first axis hole
It is dynamic outer, can mutually constrain by geometry complimentary to one another again, make edge between the axle portion and first axis hole
Radially clamping each other.
The purpose of the present invention is realized by following technical proposals：A kind of rotation and straight-line motion mechanism, including：
Body portion；
Rotary driving part, in the body portion, is provided with the first axis hole；
Linear drives portion, in the body portion, is provided with corresponding second axis hole coaxial with first axis hole；
Axle portion, coaxially stretches through and is slidably connected in first axis hole and second axis hole, and at least the body is stretched out in a shaft end
Outside portion；
Geometry beyond first axis hole is rounded；
The axle portion stretches through and is slidably connected to the radial direction section configuration and the first axle at the first axis hole respective shaft body position
The complementary geometry in hole；
At least slide connecting part of a ring-type, coaxially in first axis hole wear be slidably connected to the axle portion be complementary to this first
On the axle body position of axis hole geometry, and positioning is fixedly arranged in the body portion.
Further, first axis hole and axle portion geometry complimentary to one another can be polygon or ellipse
Deng the shape of clamping each other, further, polygon can be square.
Further, it is to reduce the contact friction when axle portion reciprocatingly moves relative to first axis hole, should
It is separated by between all side end faces at polygon axle body position of axle portion and the hole wall of first axis hole and comes, forms gas
Gap space.And then reduce to each other with respect to the abrasion produced when sliding.
Further, it is additionally provided with for connecting the connection air flue of the outside in the inter-air space and the body portion.By
The space kenel that above-mentioned bar week is separated by out with hole wall, between the axle portion the week side of boss and the first axis hole hole wall
The inter-air space is formed, and external high pressure fluid is introduced into in the inter-air space by connection air flue, can be aided in dimension
Hold the coaxial corresponding statess between axle portion and the first axis hole.
Wherein, for ease of external high pressure fluid is imported in the inter-air space, by the connection air flue being appropriately arranged with,
To connect the outside of the inter-air space and the body portion, further for, the connection air flue may be placed at this
In rotary driving part, Bing forms opening on the first axis hole hole wall, also may be placed in the axle portion,
The bar side of the axle portion forms opening.
In addition, to improve cooling effect to promote the efficiency of motor, the rotation and straight-line motion mechanism include
There is cooling module, be arranged in the body portion, and it is adjacent with the linear drives portion.
Furthermore, it is the precision for improving the control of axle pan position, the rotation and straight-line motion mechanism include position detecting
Module, between the linear drives portion and the axle portion.
Wherein, the position detecting module is optical ruler or Magnetic ruler detection techniques, with measuring basis, fixed
In the axle portion, measurement portion is fixedly arranged in the body portion, for sensing the position of the measuring basis.
Further, the slide connecting part is self-lubricating bearing (self lubricating bearing).
The present invention is had the advantage that compared with prior art：
1st, in the present invention shape and the bar-shaped axle portion of the first axis hole be shaped as it is complimentary to one another non-circular several
What shape, on the one hand, make the rotatory force suffered by axle portion more balanced compared with known technology, so as to avoid stress mistake
Degree concentrates disappearance caused by institute, and the construction of geometry is also easy in processing；On the other hand, when the axle portion
Appropriate support is provided by slide connecting part, it is to avoid the axle portion is worn and affects the precision of work.
2nd, the hole wall of all side end faces at the axle body position of the geometry of the axle portion in the present invention and the first axis hole
Between be separated by and come, form the inter-air space.Reduce when the axle portion reciprocatingly moves relative to first axis hole
Contact friction, and then reduce to each other with respect to the abrasion produced when sliding.
3rd, it is provided with the present invention for connecting the connection air flue of the outside of the inter-air space and the body portion, passes through
Connection air flue is introduced into external high pressure fluid in the inter-air space, can aid in maintaining axle portion and the first axis hole that
Coaxial corresponding statess between this.
4th, cooling module is provided with the present invention, cooling module can play preferably cooling effect, improve electricity
The efficiency of motivation.
5th, the present invention in linear drives portion and axle portion between be provided with position detecting module, by position detecting mould
Group can control the precision of axial shift position.
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the sectional view of known technology；
Fig. 2 is the disassembly diagram of present pre-ferred embodiments；
Fig. 3 is the structural representation of present pre-ferred embodiments；
Fig. 4 is the 4-4 sectional views of Fig. 3 of the present invention；
Fig. 5 is the 5-5 sectional views of Fig. 4 of the present invention；
Fig. 6 is the 6-6 sectional views of Fig. 4 of the present invention.
Specific embodiment
Referring to Fig. 2 to Fig. 6, the rotation and straight-line motion mechanism 10 provided in present pre-ferred embodiments is real
Existing same force-output shaft has the function of rotary motion and straight reciprocating motion, meets the needs of industry, but with regard to
Its motor technology to produce rotation driving and linear drives, belongs to the category of known technology, not this
Bright technical characteristics, therefore, will not be described in great detail in the explanation of specific embodiment.
Specifically, the rotation and straight-line motion mechanism 10 mainly include body portion 20, rotary driving part 30, straight line
Drive division 40, axle portion 50, slide connecting part 60, cooling module 70 and position detecting module 80, wherein：
The body portion 20 is cylindrical, as the pedestal of other composed components, has been depended on each composed component.
The rotary driving part 30 is known electric rotating motivation technology, for converting electrical energy into the machine of rotary motion
Tool can be exported, the one end that the rotary driving part 30 is in the form of a column and is co-axially located on the inside of the body portion 20, the rotation
Turn tubular rotary iron core 31 of the drive division 30 with suitable length, this is arranged in tetragonal first axis hole 32
In rotary core 31.First axis hole and axle portion geometry complimentary to one another can be polygon or ellipse etc.
Can clamping each other shape.For further, it is to wait polygon, can is square.
The linear drives portion 40 is then known linear motor technology, for converting electrical energy into straight reciprocating motion
Mechanical energy output, the other end that the linear drives portion 40 is in the form of a column and is co-axially located on the inside of the body portion 20,
The linear drives portion 40 is separated by with the rotary driving part 30 and comes, the linear drives portion 40 with the first axle
32 coaxial corresponding second axis hole 41 of hole.
The axle portion 50 being coaxially slidedly arranged in first axis hole 32 and second axis hole 41 in straight-bar column, the axle
Portion has the Linear transmission section 51 of a column, and the bar-shaped mover by known linear motor with most magnetic regions is constituted
, and it is corresponding with second axis hole 41 sliding so that the magnetic field interaction with the linear drives portion 40, from
And the reciprocating linear of 51 axial direction of Linear transmission section is moved, drive the Integral synchronous of the axle portion 50 to move,
Shaft-like rotary drive section 52, one end are coaxially affixed with one end of the Linear transmission section 51, and are coaxially extended through this
In first axis hole 32, the shape of radial direction section is square with the square complementation of first axis hole 32, and makes the week side of boss
It is separated by between end face and the opposite hole wall of first axis hole 32 and comes, forms inter-air space S of tubulose, it is shaft-like
Extension 53 is coaxially extended through in the pore of the rotary core 31, and another with the rotary drive section 52 with one end
End coaxially connects, and outside stretching out the body portion 20 with another end.
The slide connecting part 60 for ring-type self-lubricating bearing, coaxially in first axis hole 32 and positioned located at this
Among body portion 20, between the rotary driving part 30 and the linear drives portion 40, and wear and be slidably connected to the rotation
Turn in transmission segment 52, and the position of the corner for making the rotary drive section 52 square and side ring surface in the slide connecting part 60
It is sliding.As shown in Figure 5.
Cooling module 70 is provided with the body portion 20, the cooling module is adjoined with the linear drives portion 40.This is cold
But the cooling technology radiated using known application fluid convection by module 70, with coldplate 71, amplexiforms in this
The side in linear drives portion 40 so that produced heat energy is scattered and disappeared when the linear drives portion 40 is done work,
To maintain its preferably work efficiency.
Position detecting module 80 is provided between the linear drives portion 40 and the axle portion 50.The position detecting module can
For optical ruler or Magnetic ruler detection techniques, with the measuring basis being fixedly arranged in the axle portion and it is fixedly arranged in the body portion
Measurement portion, to the position for sensing the measuring basis.The position that the position detecting module 80 is moved with detecting straight line
Purpose is set to, the measuring basis 81 of optical ruler is provided with, side of the measuring basis parallel to second axis hole 41, one
End is affixed with the Linear transmission section 51 of the axle portion 50, and the measurement portion 82 of optics ruler reading head is fixedly arranged on the body portion 20
On, to sense the measuring basis 81, the shift position of the Linear transmission section 51 is accurately detected according to this.
By the composition of above-mentioned component, the rotation and straight-line motion mechanism 10 are able to 40 pairs, the linear drives portion and are somebody's turn to do
Axle portion 50 provides one, and axially above reciprocating linear movement exerts a force, and is carried by 30 pairs of axle portions 50 of the rotary driving part
For force radially in rotary moving, so obtain and known technology identical driving force, in industry
Demand, further, the rotation and straight-line motion mechanism 10 when carrying out in rotary moving, by by shape
It is that square first axis hole 32 of complementation is engaged with uniform between the rotary drive section 52 on shape, makes the axle portion 50
Suffered rotation urging is more average compared with known technology, so as to lack caused by being avoided stress concentrations institute,
The construction of basic geometry carried out by which, also falls within facility in processing simultaneously.
It is the situation of axial displacement when the axle portion 50 is driven by the linear drives portion 40, can passes by the rotation
Existing inter-air space S between dynamic section 52 and first axis hole 32, reduces which to each other because of the produced mill that slides
Damage, and appropriate support is provided by the slide connecting part 60, and allow the axle portion 50 and its frictional force to each other
Minimize as far as possible, it is to avoid the axle portion 50 is worn and affects the precision of work；The rotary drive section
The axle body position of the geometry in 52 spindle portions 50.
Meanwhile, and can be by means of the fluid that appropriate pressure is injected in inter-air space S, to maintain 50 axle of axle portion
The stability of shifting, be etc. technology contents external high pressure fluid imported in inter-air space S can be in appropriate position
Install connection air flue (not shown) to reach the pressure for connecting inter-air space S and being located at outside the body portion 20
Strength source, which specifically can be located at the connection air flue in the axle portion 50, and in the rotary drive section 52
Opening is formed in bar the week side of boss, to connect with inter-air space S, or the connection air flue rotation drive can be arranged at
In dynamic portion 30, and opening is formed on the hole wall of first axis hole 32, also can be connected with inter-air space S,
External high pressure fluid is imported in inter-air space S with carrying out, stability when maintaining 50 axle of axle portion to move.
The content of embodiment is only the present invention preferably specific embodiment, but protection scope of the present invention is not
This is confined to, any those familiar with the art, can be light in the technical scope of present disclosure
The change or replacement being readily conceivable that, should all be included within the scope of the present invention.Therefore, guarantor of the invention
Shield scope should be defined by the protection domain of claims.
Claims (10)
1. it is a kind of to rotate and straight-line motion mechanism, including：
Body portion；
Rotary driving part, in the body portion, is provided with the first axis hole；
Linear drives portion, in the body portion, is provided with corresponding second axis hole coaxial with first axis hole；
Axle portion, coaxially stretches through and is slidably connected in first axis hole and second axis hole, and at least the body is stretched out in a shaft end
Outside portion；
It is characterized in that：
Geometry beyond first axis hole is rounded；
The axle portion stretches through and is slidably connected to the radial direction section configuration and the first axle at the first axis hole respective shaft body position
The complementary geometry in hole；
At least slide connecting part of a ring-type, coaxially in first axis hole wear be slidably connected to the axle portion be complementary to this first
On the axle body position of axis hole geometry, and positioning is fixedly arranged in the body portion.
2. rotation according to claim 1 and straight-line motion mechanism, it is characterised in that：The first axle
Hole is in square complimentary to one another with the axle body position of the geometry of the axle portion.
3. rotation according to claim 1 and 2 and straight-line motion mechanism, it is characterised in that：The axle
It is separated by between all side end faces at polygon axle body position in portion and the hole wall of first axis hole and comes, forms air gap
Space.
4. rotation according to claim 3 and straight-line motion mechanism, it is characterised in that：It is additionally provided with use
In the connection air flue for connecting the inter-air space and the outside in the body portion.
5. rotation according to claim 4 and straight-line motion mechanism, it is characterised in that：The connection gas
Road forms opening on the first axis hole hole wall.
6. rotation according to claim 4 and straight-line motion mechanism, it is characterised in that：The connection gas
Road forms opening in the bar side of the axle portion.
7. rotation according to claim 1 and straight-line motion mechanism, it is characterised in that：The slide connecting part
For self-lubricating bearing (self lubricating bearing).
8. rotation according to claim 1 and straight-line motion mechanism, it is characterised in that：In the body portion
Cooling module is provided with, the cooling module is adjoined with the linear drives portion.
9. rotation according to claim 1 and straight-line motion mechanism, it is characterised in that：The straight line drives
Position detecting module is provided between dynamic portion and the axle portion.
10. rotation according to claim 9 and straight-line motion mechanism, it is characterised in that：The position is detectd
Survey module and there is measuring basis, be fixedly arranged in the axle portion, be installed with the body portion for sensing the measuring basis
Position measurement portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695613.6A CN106612046A (en) | 2015-10-23 | 2015-10-23 | Rotary and linear motion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695613.6A CN106612046A (en) | 2015-10-23 | 2015-10-23 | Rotary and linear motion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106612046A true CN106612046A (en) | 2017-05-03 |
Family
ID=58612781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510695613.6A Withdrawn CN106612046A (en) | 2015-10-23 | 2015-10-23 | Rotary and linear motion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106612046A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176282A (en) * | 2017-05-25 | 2017-09-19 | 贵州宝文电机科技有限公司 | Inside turn straight line steering wheel |
| CN108736320A (en) * | 2018-07-27 | 2018-11-02 | 珠海优特电力科技股份有限公司 | Pressing plate automatic switching device |
| CN110757658A (en) * | 2018-07-28 | 2020-02-07 | 林旺宽 | Hollow wall gecko cap puller |
| CN113300571A (en) * | 2021-06-15 | 2021-08-24 | 东南大学 | Mixed permanent magnet material type magnetic screw |
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| US20040071810A1 (en) * | 2002-10-09 | 2004-04-15 | Chia-Chun Hsu | Electromagnetic coaxial driving injection apparatus |
| CN1592049A (en) * | 2003-08-27 | 2005-03-09 | 山洋电气株式会社 | Movable assembly for cylinder type linear motor |
| JP2006311715A (en) * | 2005-04-28 | 2006-11-09 | Oriental Motor Co Ltd | Linear/rotary combined motor |
| JP2007209159A (en) * | 2006-02-03 | 2007-08-16 | Nippon Pulse Motor Co Ltd | Composite drive motor and composite drive unit |
| CN102171914A (en) * | 2008-09-30 | 2011-08-31 | Thk株式会社 | Combined linear and rotary actuator |
| KR20110111083A (en) * | 2010-04-02 | 2011-10-10 | 엘지이노텍 주식회사 | Linear stepping motor |
| US20140139050A1 (en) * | 2012-11-16 | 2014-05-22 | Nti Ag | Rotary lifting device |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040071810A1 (en) * | 2002-10-09 | 2004-04-15 | Chia-Chun Hsu | Electromagnetic coaxial driving injection apparatus |
| CN1592049A (en) * | 2003-08-27 | 2005-03-09 | 山洋电气株式会社 | Movable assembly for cylinder type linear motor |
| JP2006311715A (en) * | 2005-04-28 | 2006-11-09 | Oriental Motor Co Ltd | Linear/rotary combined motor |
| JP2007209159A (en) * | 2006-02-03 | 2007-08-16 | Nippon Pulse Motor Co Ltd | Composite drive motor and composite drive unit |
| CN102171914A (en) * | 2008-09-30 | 2011-08-31 | Thk株式会社 | Combined linear and rotary actuator |
| KR20110111083A (en) * | 2010-04-02 | 2011-10-10 | 엘지이노텍 주식회사 | Linear stepping motor |
| US20140139050A1 (en) * | 2012-11-16 | 2014-05-22 | Nti Ag | Rotary lifting device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176282A (en) * | 2017-05-25 | 2017-09-19 | 贵州宝文电机科技有限公司 | Inside turn straight line steering wheel |
| CN108736320A (en) * | 2018-07-27 | 2018-11-02 | 珠海优特电力科技股份有限公司 | Pressing plate automatic switching device |
| CN108736320B (en) * | 2018-07-27 | 2024-05-31 | 珠海优特电力科技股份有限公司 | Automatic pressing plate throwing and withdrawing device |
| CN110757658A (en) * | 2018-07-28 | 2020-02-07 | 林旺宽 | Hollow wall gecko cap puller |
| CN113300571A (en) * | 2021-06-15 | 2021-08-24 | 东南大学 | Mixed permanent magnet material type magnetic screw |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170503 |
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| WW01 | Invention patent application withdrawn after publication |