CN108286596A - A kind of linear motion output device - Google Patents
A kind of linear motion output device Download PDFInfo
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- CN108286596A CN108286596A CN201710017694.3A CN201710017694A CN108286596A CN 108286596 A CN108286596 A CN 108286596A CN 201710017694 A CN201710017694 A CN 201710017694A CN 108286596 A CN108286596 A CN 108286596A
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- baffle
- linear motion
- driving mechanism
- actuator
- output device
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- 230000033001 locomotion Effects 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of linear motion output devices, including driving mechanism and sliding block, wherein driving mechanism is turntable, and is provided in driving mechanism multiple along the circumferentially equally distributed actuator of driving mechanism；Sliding block can be evenly equipped with multiple baffles along linear slide, sliding block upper edge glide direction；Actuator, which is used to contradict to match with baffle with the rotation of driving mechanism, merges the second end that baffle is slid into from the first end of baffle, to push sliding block along linear slide, before one of actuator leaves the second end of the baffle contacted, the first end of another actuator adjacent thereto and another baffle on sliding block, which contradicts, to be coordinated；It can be seen that above-mentioned linear motion output device is simple in structure, convenient for making and installing, production cost is low, and the unidirectional linear motion of output that can continue.
Description
Technical field
The present invention relates to power output device technical field, more particularly to a kind of linear motion output device.
Background technology
Other than linear motor, the forms of motion of currently used motor output is all rotation, and most motors are all
Exist as driving source in the form of torque.Therefore it is straight to need to increase convert rotational motion in the occasion for needing linear drives
The transmission mechanism of line movement, currently used transmission mechanism have：Ball screw framework, rack and pinion mechanism, cam link mechanism
Deng.
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of ball screw framework in the prior art, and ball screw framework is by leading screw
100, feed screw nut 101, raceway 102 and ball 103 are constituted, and are transported convert rotational motion as straight line in the form of thread curve
Dynamic, since the lead angle of thread curve is small, the movement speed axial along leading screw 100 of feed screw nut 101 is much smaller than silk
For the angular speed that thick stick 100 rotates in the linear velocity component of leading screw frontside edge, the speed transformation efficiency of ball screw framework is relatively low；And
Rack and pinion mechanism, as shown in Fig. 2, Fig. 2 is the structural schematic diagram of rack and pinion mechanism in the prior art, wherein can be by tooth
For the translating rotation of wheel 200 at the linear motion of rack 201, rack 201 is a kind of external gear that reference circle is changed to straight line, is tooth
One kind of wheel construction has the advantages such as stable transmission, efficient, long lifespan, has a wide range of applications in industry.But due to tooth
Shape structure is restricted by parameters so that the machining accuracy, cost needed for tooth-shape structure are all higher；Another cam link
Mechanism, one is that the linear motion stroke that it is exported is shorter, and power source, when being uniform speed rotation, the straight line of output end is transported
It moves as variable motion, is only used for some special occasions, narrow scope of application.
Therefore, how a kind of linear motion output device is provided, keeps its simple in structure, convenient for manufacture, and with higher
Transmission efficiency, it is applied widely, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Invention content
In view of this, the present invention provides a kind of linear motion output devices, keep its simple in structure to reach, convenient for system
It makes, and there is higher transmission efficiency, purpose applied widely.
To achieve the above object, the present invention provides the following technical solutions：
A kind of linear motion output device, including：
Mechanism is rotatably driven, is provided in the driving mechanism multiple circumferentially equally distributed along the driving mechanism
Actuator；
Can linear slide sliding block, the sliding block upper edge glide direction is evenly equipped with multiple baffles；
The actuator is used to contradict for matching and merging from the baffle with the baffle with the rotation of the driving mechanism
One end slides into the second end of the baffle, to push the sliding block along linear slide, one of them described actuator leave with
Contact the baffle second end before, another institute on another described actuator adjacent thereto and the sliding block
The first end for stating baffle contradicts cooperation.
Preferably, the driving mechanism is drive disk, and the actuator is arranged on a side surface of the drive disk, or
Person, the actuator are set in the circumferential side wall of the drive disk.
Preferably, the actuator includes that installation axle and driving roller, the installation axle are set to the driving mechanism
A side surface on and the axis of the installation axle it is parallel with the axis of the driving mechanism, the driving roller rotationally covers
In the installation axle.
Preferably, it is coated with cushion pad on the outer wall of the driving roller.
Preferably, the baffle is curved baffle.
Preferably, before the first end of the baffle is located at the second end of the baffle in the direction of advance of the sliding block
Side.
Preferably, the end face of the first end of the baffle is cambered surface.
Preferably, the shape function formula of the baffle is：
Wherein, R be the installation axle axis to the drive disk axis distance, ω is that the angle of the drive disk is fast
Degree, t are the rotation time of the drive disk, and X is coordinate value of each point in X-axis on the baffle shapes curved surface, and Y is described
Coordinate value of each point in Y-axis on baffle shapes curved surface.
It can be seen from the above technical proposal that linear motion output device provided by the invention, including driving mechanism and
Sliding block, wherein driving mechanism is turntable, and is provided in driving mechanism multiple circumferentially equally distributed along driving mechanism
Actuator；Sliding block can be evenly equipped with multiple baffles along linear slide, sliding block upper edge glide direction；Actuator is used for driving mechanism
Rotation, which contradicts to match to merge with baffle, slides into the second end of baffle from the first end of baffle, to push sliding block along linear slide,
In before an actuator leaves the second end of the baffle contacted, another actuator adjacent thereto with it is another on sliding block
The first end of one baffle contradicts cooperation；It can be seen that above-mentioned linear motion output device is simple in structure, convenient for making and pacifying
Dress, production cost is low, and the unidirectional linear motion of output that can continue.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of ball screw framework in the prior art；
Fig. 2 is the structural schematic diagram of rack and pinion mechanism in the prior art；
Fig. 3 is the structural schematic diagram of linear motion output device provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of driving mechanism in linear motion output device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of sliding block in linear motion output device provided in an embodiment of the present invention.
Specific implementation mode
The present invention provides a kind of linear motion output devices, keep its simple in structure to reach, convenient for manufacture, and with compared with
High transmission efficiency, purpose applied widely.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of linear motion output device provided in an embodiment of the present invention.
A kind of linear motion output device provided by the invention, including driving mechanism 1 and sliding block 4.
Wherein, driving mechanism 1 is turntable, and is provided in driving mechanism 1 multiple circumferential uniformly along driving mechanism 1
The actuator of distribution；Sliding block 4 can be evenly equipped with multiple baffles 5 along linear slide, 4 upper edge glide direction of sliding block；Actuator be used for
The rotation of driving mechanism 1 is contradicted with baffle 5 with the second end for sliding into baffle 5 from the first end of baffle 5 is merged, to push sliding block
4 along linear slide, before one of actuator leaves the second end of the baffle 5 contacted, another drive adjacent thereto
The first end of moving part and another baffle 5 on sliding block 4, which contradicts, to be coordinated.
Compared with prior art, linear motion output device provided by the invention, when in use, torque output device, such as
The output end of motor is connected with driving mechanism 1 so that driving mechanism 1 drive actuator rotation, when actuator rotate to sliding block 4
When overhead gage 5 contacts, then sliding block 4 is pushed to move along a straight line, when actuator will be detached from baffle 5 from the second end of baffle 5, with
Another adjacent actuator and sliding block 4 on the first end of another baffle 5 contradict and coordinate to ensure the continuity of movement,
It can be seen that above-mentioned linear motion output device is simple in structure, convenient for making and installing, production cost is low, and can continue
The unidirectional linear motion of output.
The effect of driving mechanism 1 is to connect the output end of actuator and torque output device, may be used a variety of
Structure, for example, driving mechanism 1 can be holder, holder includes centrally located interconnecting piece and is evenly distributed on interconnecting piece week
In addition to this multiple supporting rods on side wall can also use other structures, as shown in Figure 3, driving mechanism 1 is to drive
Moving plate, actuator is arranged on a side surface of drive disk, alternatively, actuator is set in the circumferential side wall of drive disk.It is above-mentioned
The shape of drive disk can be round, rectangular or other polygons, not limit again.
The abrasion between actuator and baffle 5 is reduced, while reducing noise, in embodiments of the present invention, referring to Fig. 4,
Fig. 4 is the structural schematic diagram of driving mechanism in linear motion output device provided in an embodiment of the present invention, and actuator includes installation
Axis 2 and driving roller 3, installation axle 2 is set on a side surface of driving mechanism 1 and the axis of installation axle 2 and driving mechanism 1
Axis it is parallel, driving roller 3 be rotatably mounted around in installation axle 2, can be to avoid driving by above-mentioned driving roller 3
Both sliding friction between part and baffle 5 avoids driving roller 3 and baffle 5 impaired by way of rolling friction, extend
Service life, while noise can be reduced.
Above-mentioned technical proposal is advanced optimized, in embodiments of the present invention, drives and is coated with buffering on the outer wall of roller 3
Pad.Above-mentioned cushion pad can play the role of buffer noise reduction in the operational process of linear motion output device, prevent from driving
It collides and is damaged between roller 3 and baffle 5, while further decreasing noise.
Actuator does uniform circular motion under the driving of drive disk, although the numerical value of its linear velocity will not change,
But its angle moment is all changing, and causes in the process of running, actuator the velocity component of X-axis and Y direction also when
Quarter changes, in figure 3, the glide direction of sliding block 4, i.e. its length direction be Y direction, on drive disk with Y direction
Vertical diametric(al) is X-direction, therefore, in order to enable above-mentioned linear motion output device to export uniform rectilinear's fortune
It is dynamic, the shape of regulating fender 5 is just had to, the speed of the X-direction and Y direction that change the actuator moment using its shape
Component is converted into the straight line uniform motion of sliding block 4, since actuator itself moves in a circle, it follows that baffle 5 should also be as
Curved baffle can preferably coordinate with actuator, in the process of running, the velocity component of driving roller 3 in the y-axis direction
Curved baffle can be pushed to move along the y-axis direction, and drive the velocity component of roller 3 in the direction of the x axis can be by the shape of curved baffle
Shape balances out.
By observation chart 1 it is found that when driving roller 3 to be contacted with baffle 5, driving roller 3 and the line for driving disk axis
It is just vertical with Y-axis, at this point, velocity component of the driving roller 3 in Y-axis is maximum, it is equal to the linear speed of driving 3 circular motion of roller
It spends, the velocity component in X-axis is minimum, is equal to 0, with the rotation of drive disk, the velocity component of driving roller 3 in the Y-axis direction
It will be gradually reduced, the velocity component in X-axis will gradually increase, and therefore, according to this characteristic, 5 installation position of regulating fender makes gear
The first end of plate 5 is in the direction of advance of sliding block 4 positioned at the front of the second end of baffle 5, that is to say, that when driving roller 3 is in Y
When velocity component maximum on axis, the slope variation of baffle 5 is more gentle, with velocity component of the driving roller 3 in Y-axis
It is gradually reduced, the slope variation of baffle 5 also gradually increases, and by above structure, the velocity component be possible in Y-axis is continuous
In the case of reduction, the circular motion speed loss in the y-axis direction of driving roller 3 is offset, sliding block 4 is made to remain a constant speed straight line
Movement.
Above-mentioned technical proposal is advanced optimized, can the shape of baffle 5 realize that linear uniform motion closes very much for sliding block 4
Key, an embodiment of the present invention provides a kind of shape function formula of baffle 5, formula is：
Wherein, R be installation axle 2 axis to drive disk axis distance, ω be drive disk angular speed, t be drive
The rotation time of disk, X are coordinate value of each point in X-axis on 5 shape curved surface of baffle, and Y is each point on 5 shape curved surface of baffle
Coordinate value in Y-axis.
The derivation of formula is as follows：
Drive disk respectively takes a point A/B with angular velocity omega uniform rotation, at two adjacent 3 centers of driving roller, please refers to
The distance of Fig. 4, A/B to driving disk axis is R, then displacement X of the A points in X-directionA=R-Rcos ω t, in the position of Y direction
Move YA=Rsin ω t；Displacement X of the B points in X-directionB=Rsin ω t, in the displacement YB=-Rcos ω t of Y direction.By displacement
Function against time t derivations can obtain the velocity component of A/B points：The velocity component V of A points in the X-axis directionAX=R ω sin ω t, in Y
Velocity component V in axis directionAY=R ω cos ω t；The velocity component V of B points in the X-axis directionBX=R ω cos ω t, in Y-axis
Velocity component V on directionBY=R ω sin ω t.Because the shape design of arc-shaped baffle is based on the circle for offsetting driving roller 3
The speed losses of Zhou Yundong in the y-axis direction, then, the speed of sliding block 4 is R ω.On 4 two neighboring arc-shaped baffle of sliding block
A point contacted with driving roller 3 is respectively taken, A '/B ' is set as, referring to Fig. 5, Fig. 5 transports for straight line provided in an embodiment of the present invention
The structural schematic diagram of sliding block in dynamic output device, then the movement locus of A '/B ' is exactly the shape of arc-shaped baffle.It is with B ' points
Example, in transmission process, the velocity components of B ' in the X-axis direction are exactly the component motion V of B points in the X-axis directionB’X=R ω
Cos ω t, velocity component V in the Y-axis directionB’Y=R ω sin ω t-R ω, quadrature to time t for the velocity function of B '
The displacement function X of B ' can be obtainedB’=Rsin ω t, YB’=-Rcos ω t-R ω t.Obtain the shape function of arc-shaped baffle.
Above-mentioned technical proposal is advanced optimized, is touched during being engaged with baffle 5 in order to avoid driving roller 3
It hits, causes to drive roller 3 or baffle 5 impaired, in embodiments of the present invention, the end face of the first end of baffle 5 is cambered surface.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of linear motion output device, which is characterized in that including：
Mechanism (1) is rotatably driven, is provided on the driving mechanism (1) multiple circumferential uniformly along the driving mechanism (1)
The actuator of distribution；
Can linear slide sliding block (4), sliding block (4) the upper edge glide direction is evenly equipped with multiple baffles (5)；
The actuator, which is used to contradict to match with the baffle (5) with the rotation of the driving mechanism (1), to be merged from the baffle (5)
First end slide into the second ends of the baffle (5), to push the sliding block (4) along linear slide, one of them described drive
Before moving part leaves the second end of the baffle (5) contacted, another described actuator adjacent thereto and the cunning
The first end of another baffle (5) on block (4) contradicts cooperation.
2. linear motion output device according to claim 1, which is characterized in that the driving mechanism (1) is drive disk,
The actuator is arranged on a side surface of the drive disk, alternatively, the actuator is set to the circumferential direction of the drive disk
On side wall.
3. linear motion output device according to claim 2, which is characterized in that the actuator includes installation axle (2)
And driving roller (3), the installation axle (2) is set on a side surface of the driving mechanism (1) and the installation axle (2)
Axis it is parallel with the axis of the driving mechanism (1), the driving roller (3) is rotatably mounted around the installation axle (2)
On.
4. linear motion output device according to claim 3, which is characterized in that on the outer wall of the driving roller (3)
It is coated with cushion pad.
5. linear motion output device according to claim 3, which is characterized in that the baffle (5) is curved baffle.
6. linear motion output device according to claim 5, which is characterized in that the first end of the baffle (5) is in institute
State the front of the second end in the direction of advance of sliding block (4) positioned at the baffle (5).
7. linear motion output device according to claim 5, which is characterized in that the end of the first end of the baffle (5)
Face is cambered surface.
8. linear motion output device according to claim 5, which is characterized in that the shape function of the baffle (5) is public
Formula is：
Wherein, R be the installation axle (2) axis to the drive disk axis distance, ω is that the angle of the drive disk is fast
Degree, t are the rotation time of the drive disk, and X is coordinate value of each point in X-axis on the baffle (5) shape curved surface, and Y is
Coordinate value of each point in Y-axis on baffle (5) the shape curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017694.3A CN108286596B (en) | 2017-01-10 | 2017-01-10 | Linear motion output device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017694.3A CN108286596B (en) | 2017-01-10 | 2017-01-10 | Linear motion output device |
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| CN108286596A true CN108286596A (en) | 2018-07-17 |
| CN108286596B CN108286596B (en) | 2023-12-01 |
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|---|---|---|---|---|
| FR2367956A1 (en) * | 1976-10-14 | 1978-05-12 | Giraudo Georges | Transmission system with oscillating output shaft - has slotted levers to change magnitude of output oscillation with constant input speed |
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| CN1111734A (en) * | 1993-11-12 | 1995-11-15 | 株式会社三桥制作所 | Cam apparatus |
| WO2006063509A1 (en) * | 2004-12-14 | 2006-06-22 | Haier Group Corporation | A driving mechanism for the air inlet and outlet baffle of an air conditioner |
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| US20150232179A1 (en) * | 2014-02-14 | 2015-08-20 | Michael J.C. Smith | Wing-Drive Mechanism with Unidirectional Drive |
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| CN205415748U (en) * | 2016-03-24 | 2016-08-03 | 张以周 | Chop machine of mixing |
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2017
- 2017-01-10 CN CN201710017694.3A patent/CN108286596B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1567633A (en) * | 1975-10-14 | 1980-05-21 | Brems John Henry | Mechanisms |
| FR2367956A1 (en) * | 1976-10-14 | 1978-05-12 | Giraudo Georges | Transmission system with oscillating output shaft - has slotted levers to change magnitude of output oscillation with constant input speed |
| CN1111734A (en) * | 1993-11-12 | 1995-11-15 | 株式会社三桥制作所 | Cam apparatus |
| WO2006063509A1 (en) * | 2004-12-14 | 2006-06-22 | Haier Group Corporation | A driving mechanism for the air inlet and outlet baffle of an air conditioner |
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| CN105428696A (en) * | 2015-11-16 | 2016-03-23 | 深圳市倍特力电池有限公司 | Automatic edge-folding machine |
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| Title |
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| 沈惠平;丁磊;邓嘉鸣;李菊;刘善淑;: "大范围作业数控型二自由度并联操作手及其运动特性的研究", 中国机械工程, no. 22 * |
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|---|---|
| CN108286596B (en) | 2023-12-01 |
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