CN104896045A - Worm and gear pair drive swing mechanism - Google Patents
Worm and gear pair drive swing mechanism Download PDFInfo
- Publication number
- CN104896045A CN104896045A CN201510267451.6A CN201510267451A CN104896045A CN 104896045 A CN104896045 A CN 104896045A CN 201510267451 A CN201510267451 A CN 201510267451A CN 104896045 A CN104896045 A CN 104896045A
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- China
- Prior art keywords
- worm
- gear
- bearing
- teeth portion
- worm screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16H19/08—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and oscillating motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a worm and gear pair drive swing mechanism. In the working process, a driving device drives a worm to rotate and makes reciprocating motion in the axial direction at the same time, and thus a worm gear meshed with the worm is driven to rotate clockwise/anticlockwise. The axial movement momentum of the worm is converted into the rotating angular momentum of the worm gear, the worm gear further drives a driven gear meshed with the worm gear to rotate around the worm gear along a rail on the inner wall of a gear ring, and a part connected with the driven gear is made to swing accordingly. The worm and gear pair drive swing mechanism is reasonable in structural design, the worm gear is driven to move through the axial movement of the worm, hence, the driven gear is driven to swing around the worm gear, the swing speed and the vibration amplitude of the driven gear around the worm gear can be controlled accurately by controlling the traveling speed and the distance of the worm, the swing angular speed and the position can be controlled accurately, and working is stable and reliable.
Description
Technical field
The present invention relates to worm and gear technical field, particularly relate to a kind of worm and gear auxiliary driving swing mechanism.
Background technique
Swing mechanism makes driving mechanism conventional in machinery, generally by pinion rotation transmission, realizes oscillating function, but the angular velocity of pinion rotation and angle are difficult to control, and cause and swing stability and low precision.The transmission of worm and worm wheel is called worm drive, worm drive is a kind of basic mechanical structure, for motion and the power of transmission two spatial intersecting axles, because of it, to have reduction speed ratio large, compact structure, the advantages such as stable working, are thus widely used in various retarding device and mechanical transmission.
Summary of the invention
For solving the technical problem existed in background technique, the present invention proposes a kind of worm and gear auxiliary driving swing mechanism, reasonable in design, and can accurately control angle of oscillation speed and position, working stability is reliable.
A kind of worm and gear auxiliary driving swing mechanism that the present invention proposes, comprising: mounting bracket, the first bearing, the second bearing, worm gear, worm screw, follower, gear ring, drive unit;
First bearing and the second bearing are oppositely arranged, and worm screw is horizontally set on the first bearing and the second bearing, and the outer wall of worm screw between the first bearing and the second bearing is provided with outside thread, and drive unit is connected to worm screw one end and drives worm screw to move vertically;
Mounting bracket is between the first bearing and the second bearing, worm gear wheel is connected on mounting bracket, worm gear periphery is provided with the first teeth portion coordinated with worm screw outside thread, its to be positioned at below worm screw and and worm meshing, gear ring is fixed on mounting bracket, gear ring is enclosed within worm gear outside and coaxially arranges with worm gear, and gear ring inner circumferential is provided with the second teeth portion, follower is arranged on worm gear away from worm screw side, its periphery is provided with the 3rd teeth portion, 3rd teeth portion coordinates with the first teeth portion and the second teeth portion respectively, and follower is between worm gear and gear ring and engage with worm gear and gear ring respectively.
Preferably, the second teeth portion both sides of gear ring are provided with two annular stop portions, and two annular stop portions be arranged in parallel, and form restraining groove therebetween, and the part that the 3rd teeth portion of follower engages with gear ring is positioned at described restraining groove.
Preferably, the 3rd teeth portion of follower is provided with lubricating layer.
Preferably, first bearing is provided with horizontally disposed first through hole, second bearing is provided with horizontally disposed second through hole, first through hole and the second through-bore axis are located along the same line, and the first through hole and the second through hole all have smooth inner wall, worm screw two ends are each passed through the first through hole and the second through hole.
Preferably, worm gear is detachably arranged on mounting bracket.
In the present invention, the worm and gear auxiliary driving swing mechanism proposed, in the course of the work, drive unit drives worm screw to rotate and moves back and forth vertically simultaneously, thus drive the worm gear be engaged with to carry out clockwise/rotate counterclockwise, worm screw moved axially the moment of momentum that momentum transformation is worm gear wheel, and worm gear drives the follower that engages with it along the track of gear ring inwall around worm gear wheel further, and the parts be connected with follower are swung thereupon.By the worm and gear auxiliary driving swing mechanism of above-mentioned optimal design, reasonable in design, moving axially by worm screw, drive worm gear moves, thus drive follower to swing around worm gear, by controlling the gait of march of worm screw and distance, follower accurately can be controlled around the swing speed of worm gear and amplitude, can accurately control angle of oscillation speed and position, working stability is reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of worm and gear auxiliary driving swing mechanism that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of worm and gear auxiliary driving swing mechanism that the present invention proposes.
With reference to Fig. 1, a kind of worm and gear auxiliary driving swing mechanism that the present invention proposes, comprising: mounting bracket 1, first bearing 2, second bearing 3, worm gear 4, worm screw 5, follower 6, gear ring 7, drive unit 8;
First bearing 2 and the second bearing 3 are oppositely arranged, first bearing 2 is provided with horizontally disposed first through hole, second bearing 3 is provided with horizontally disposed second through hole, first through hole and the second through-bore axis are located along the same line, and the first through hole and the second through hole all have smooth inner wall, worm screw 5 two ends are each passed through the first through hole and the second through hole, the outer wall of worm screw 5 between the first bearing 2 and the second bearing 3 is provided with outside thread, and drive unit 8 is connected to worm screw 2 one end and drives worm screw 5 to move vertically;
Mounting bracket 1 is between the first bearing 2 and the second bearing 3, worm gear 4 rotating shaft is detachably connected on mounting bracket 1, worm gear 4 periphery is provided with the first teeth portion coordinated with worm screw 5 outside thread, it to be positioned at below worm screw 5 and to engage with worm screw 5, gear ring 7 is fixed on mounting bracket 1, gear ring 7 is enclosed within worm gear 4 outside and coaxially arranges with worm gear 4, and gear ring 7 inner circumferential is provided with the second teeth portion, second teeth portion both sides are provided with two annular stop portions, two annular stop portions be arranged in parallel, and form restraining groove therebetween, follower 6 is arranged on worm gear 4 away from worm screw 5 side, its periphery is provided with the 3rd teeth portion, 3rd teeth portion coordinates with the first teeth portion and the second teeth portion respectively, follower 6 is between worm gear 4 and gear ring 7 and engage with worm gear 4 and gear ring 7 respectively, the part that 3rd teeth portion engages with gear ring 7 is positioned at the restraining groove of gear ring 7.
The worm and gear auxiliary driving swing mechanism that the present embodiment proposes, during work, drive unit drives worm screw to rotate and moves back and forth vertically simultaneously, thus drive the worm gear be engaged with to carry out clockwise/reciprocating rotation counterclockwise, worm screw moved axially the moment of momentum that momentum transformation is worm gear wheel, worm gear drives the follower that engages with it along the track of gear ring inwall around worm gear wheel further, and the parts be connected with follower are swung thereupon; Moving axially of worm screw, drive worm gear moves, thus drive follower to swing around worm gear, by controlling the gait of march of worm screw and distance, follower accurately can be controlled around the swing speed of worm gear and amplitude, can accurately control angle of oscillation speed and position, working stability is reliable, the meshing teeth of follower simultaneously arranges lubriation material, plays lubrication, greatly reduce the frictional force in repeatedly the engaging of follower and gear ring and worm gear, the wearing and tearing that between reduction parts, cooperating causes.
In a specific embodiment, follower carries out installation location by worm gear and gear ring, be what can dismantle from mounting bracket by worm gear designs, worm gear and the follower of different drive ratios can be convenient for changing according to actual needs, improve flexibility and applicability that driving mechanism uses.
Gear ring inwall arranges restraining groove, carries out spacing, prevent follower from departing from between gear ring and worm gear, and improve working stability, thus improve precision further in follower swings along gear ring to follower.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a worm and gear auxiliary driving swing mechanism, it is characterized in that, comprising: mounting bracket (1), the first bearing (2), the second bearing (3), worm gear (4), worm screw (5), follower (6), gear ring (7), drive unit (8);
First bearing (2) and the second bearing (3) are oppositely arranged, worm screw (5) is horizontally set on the first bearing (2) and the second bearing (3), the outer wall of worm screw (5) between the first bearing (2) and the second bearing (3) is provided with outside thread, and drive unit (8) is connected to worm screw (2) one end and drives worm screw (5) to move vertically;
Mounting bracket (1) is positioned between the first bearing (2) and the second bearing (3), worm gear (4) is rotatably connected on mounting bracket (1), worm gear (4) periphery is provided with the first teeth portion coordinated with worm screw (5) outside thread, it is positioned at worm screw (5) below and engages with worm screw (5), gear ring (7) is fixed on mounting bracket (1), gear ring (7) is enclosed within worm gear (4) outside and coaxially arranges with worm gear (4), and gear ring (7) inner circumferential is provided with the second teeth portion, follower (6) is arranged on worm gear (4) away from worm screw (5) side, its periphery is provided with the 3rd teeth portion, 3rd teeth portion coordinates with the first teeth portion and the second teeth portion respectively, follower (6) to be positioned between worm gear (4) and gear ring (7) and to engage with worm gear (4) and gear ring (7) respectively.
2. worm and gear auxiliary driving swing mechanism according to claim 1, it is characterized in that, second teeth portion both sides of gear ring (7) are provided with two annular stop portions, two annular stop portions be arranged in parallel, and forming restraining groove therebetween, the part that the 3rd teeth portion of follower (6) engages with gear ring (7) is positioned at described restraining groove.
3. worm and gear auxiliary driving swing mechanism according to claim 1, is characterized in that, the 3rd teeth portion of follower (6) is provided with lubricating layer.
4. worm and gear auxiliary driving swing mechanism according to claim 1, it is characterized in that, first bearing (2) is provided with horizontally disposed first through hole, second bearing (3) is provided with horizontally disposed second through hole, first through hole and the second through-bore axis are located along the same line, and the first through hole and the second through hole all have smooth inner wall, worm screw (5) two ends are each passed through the first through hole and the second through hole.
5. worm and gear auxiliary driving swing mechanism according to claim 1, is characterized in that, worm gear (4) is detachably arranged on mounting bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267451.6A CN104896045A (en) | 2015-05-22 | 2015-05-22 | Worm and gear pair drive swing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267451.6A CN104896045A (en) | 2015-05-22 | 2015-05-22 | Worm and gear pair drive swing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896045A true CN104896045A (en) | 2015-09-09 |
Family
ID=54028903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510267451.6A Pending CN104896045A (en) | 2015-05-22 | 2015-05-22 | Worm and gear pair drive swing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896045A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227441A (en) * | 2020-10-21 | 2021-01-15 | 黄付银 | Excavator bucket for building construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1625212A (en) * | 2003-10-25 | 2005-06-08 | 三星电子株式会社 | Automatic document feeder for image forming apparatus |
| US20120053001A1 (en) * | 2010-08-25 | 2012-03-01 | Magna Car Top Systems Gmbh | Adjusting drive having an emergency actuator |
| CN103953725A (en) * | 2014-05-13 | 2014-07-30 | 清华大学 | Actuator for mechanical automatic transmission clutch |
| CN203920474U (en) * | 2014-06-17 | 2014-11-05 | 上海胜华波汽车电器有限公司 | Fold/the lifting motor of seat that a kind of energy-saving low-noise driving efficiency is high |
| CN204628460U (en) * | 2015-05-22 | 2015-09-09 | 芜湖意维利科技有限公司 | A kind of worm and gear auxiliary driving swing mechanism |
-
2015
- 2015-05-22 CN CN201510267451.6A patent/CN104896045A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1625212A (en) * | 2003-10-25 | 2005-06-08 | 三星电子株式会社 | Automatic document feeder for image forming apparatus |
| US20120053001A1 (en) * | 2010-08-25 | 2012-03-01 | Magna Car Top Systems Gmbh | Adjusting drive having an emergency actuator |
| CN103953725A (en) * | 2014-05-13 | 2014-07-30 | 清华大学 | Actuator for mechanical automatic transmission clutch |
| CN203920474U (en) * | 2014-06-17 | 2014-11-05 | 上海胜华波汽车电器有限公司 | Fold/the lifting motor of seat that a kind of energy-saving low-noise driving efficiency is high |
| CN204628460U (en) * | 2015-05-22 | 2015-09-09 | 芜湖意维利科技有限公司 | A kind of worm and gear auxiliary driving swing mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227441A (en) * | 2020-10-21 | 2021-01-15 | 黄付银 | Excavator bucket for building construction |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150909 |
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| WD01 | Invention patent application deemed withdrawn after publication |