CN111271433B - Rotating device - Google Patents
Rotating device Download PDFInfo
- Publication number
- CN111271433B CN111271433B CN202010067781.1A CN202010067781A CN111271433B CN 111271433 B CN111271433 B CN 111271433B CN 202010067781 A CN202010067781 A CN 202010067781A CN 111271433 B CN111271433 B CN 111271433B
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- CN
- China
- Prior art keywords
- worm
- rib plate
- speed reducer
- chamber
- driver
- Prior art date
- 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
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B11/00—Tables with tops revolvable on vertical spindles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/02—Rotary display stands
- A47F5/025—Rotary display stands having mechanical drive, e.g. turntables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/039—Gearboxes for accommodating worm gears
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a rotating device, and belongs to the technical field of transmission devices. The rotating device includes: the worm gear is matched with the worm, a first latticed rib plate and a second latticed rib plate are arranged in the shell, and the first latticed rib plate and the second latticed rib plate are used for supporting and fixing the speed reducer and the worm. The rotating device has compact structure and small volume, and can drive the turntable to rotate at a slow speed.
Description
Technical Field
The invention relates to the technical field of transmission devices, in particular to a rotating device.
Background
In production life, the use demand of rotary platforms is increasing, such as the turntables of dining tables, product exhibition stands, rotary processing stands and the like. However, most of rotating devices in the prior art are large in size and high in rotating speed, so that the small-size rotary tables can only be manually rotated, inconvenience is caused, and the manual rotary tables cannot rotate at uniform speed, so that the emergency stop and the emergency rotation are frequently caused, and the experience of users is very poor.
Therefore, it is necessary to provide a rotating device having a small size and a slow rotation speed.
Disclosure of Invention
The invention mainly aims to provide a rotating device, and aims to solve the problem that a turntable with a small volume can only be manually rotated in the prior art.
To achieve the above object, the present invention provides a rotation device, comprising a housing, a driver, a reducer, a worm wheel and a worm:
the worm gear transmission mechanism is characterized in that a driving chamber, a transmission chamber and a worm chamber are sequentially arranged in the shell, the worm chamber is also provided with a first latticed rib plate, the top profile of the first latticed rib plate is the same as that of the worm, two bearing seats are formed at two end parts of the worm chamber, a second latticed rib plate is arranged in the transmission chamber, the top profile of the second latticed rib plate is the same as that of the speed reducer, and one end of the second latticed rib plate is connected with the adjacent end;
the driver is arranged in the driving chamber, one end of the driver is fixed on the side wall of the driving chamber, the other end of the driver is fixed with the speed reducer, and an output shaft of the driver is connected with an input shaft of the speed reducer;
the speed reducer is clamped in the second latticed rib plate and fixed by the second latticed rib plate, and an output shaft of the speed reducer is connected with the worm;
bearings are arranged at two ends of the worm and are fixed on corresponding bearing seats, and a worm gear is further arranged on the worm;
the worm wheel is arranged outside the shell and matched with the worm gear of the worm, and the shell is provided with a notch corresponding to the worm gear.
In one possible scheme, a mounting plate is arranged between the driving chamber and the transmission chamber, the output shaft of the driver is fixed on the mounting plate, the output shaft of the driver penetrates through the mounting plate to be connected with the input shaft of the speed reducer, and the input shaft of the speed reducer is fixed on the other surface of the mounting plate.
In a feasible scheme, a shaft hole matched with a rotating shaft of the rotary table is formed in the middle of the worm wheel, and straight teeth used for driving the rotating shaft to rotate are arranged on the inner wall of the shaft hole along the axial direction.
In one possible embodiment, an end face of the worm wheel is provided with an annular projection around the shaft hole.
In one possible solution, a set of planet gears is provided in the reducer.
In a possible solution, the housing includes an upper cover and a lower cover, the upper cover is matched with the lower cover, and the lower cover is further provided with a fixing portion for fixing the rotating device.
In a feasible scheme, the first grid-shaped rib plate and the second grid-shaped rib plate are formed by grid-shaped rib plates of the upper cover and the lower cover.
In one possible solution, the transmission ratio of the reducer is 1: 21.5; the transmission ratio of the worm to the worm wheel is 1: 69.
in one possible embodiment, the drive is a servo motor, and the output angular speed of the worm gear is 10 degrees per second when the rotation speed of the servo motor is 2500 rpm.
The invention has the following advantages:
1. a speed reducer is added between the driver and the worm, so that the output torque of the driver is amplified, and the turntable can be driven to rotate at a slower rotating speed;
2. the driver, the speed reducer and the worm are integrated into the shell, the first latticed rib plate and the second latticed rib plate are arranged in the shell, the speed reducer and the worm are supported and fixed through the latticed rib plates, and a fixing piece and a supporting piece do not need to be additionally arranged, so that the rotating device is more compact and smaller in size;
3. the driver and the speed reducer are fixed together by the mounting plate, so that the volume of the rotating device is further reduced.
Drawings
Fig. 1 is a perspective view of a rotating device according to an embodiment of the present invention;
FIG. 2 is an exploded view of the rotary device shown in FIG. 1;
FIG. 3 is a schematic view of the upper cover;
FIG. 4 is a schematic structural view of the lower cover;
FIG. 5 is a schematic view of a worm gear;
fig. 6 is a schematic transmission diagram of a rotating device according to a first embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Various embodiments for implementing the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" used to represent elements are used only for facilitating the explanation of the present invention, and do not have a specific meaning per se.
An embodiment of a rotating device according to the present invention is provided with reference to fig. 1 to 6. The rotating device includes a housing 10, a driver 20, a decelerator 30, a worm 40, and a worm wheel 50.
The housing 10 includes an upper cover 11 and a lower cover 12 which are fitted to each other.
Referring to fig. 3, a first grid rib 111 and a second grid rib 112 are provided in the upper cover 11. The two ends of the first grid rib 111 form 2 half bearing seats 1111, 1112, and the top profile of the first grid rib 111 is the same as the profile of the upper half of the worm 40. The top profile of the second grid rib plate 112 is the same as the profile of the upper half of the speed reducer 30, one end of the second grid rib plate is connected with the half bearing seat 1111 of the first grid rib plate 111, the other end of the second grid rib plate is provided with a clamping groove, an accommodating cavity is arranged between the clamping groove and the end part of the upper cover 11, and the end part is also provided with a semicircular groove 113. An arc notch is also arranged on one side of the upper cover 11.
Referring to fig. 4, a first grid rib 121 and a second grid rib 122 are provided in the lower cover 12. The two ends of the first grid rib plate 121 form 2 half bearings 1211, 1212, and the top profile of the first grid rib plate 121 is the same as the profile of the lower half part of the worm 40. The top profile of the second grid rib plate 122 is the same as the profile of the lower half of the reducer 30, one end of the second grid rib plate is connected with the half bearing seat 1211 of the first grid rib plate 121, the other end of the second grid rib plate is provided with a clamping groove, an accommodating cavity is arranged between the clamping groove and the end part of the lower cover 12, and the end part is also provided with a semicircular groove 123. An arc notch is also arranged on one side of the lower cover 12. The bottom plate of the lower cover 12 is further provided with fixing portions 124 and 125 for fixing the rotating device at a predetermined position.
When the upper cover 11 and the lower cover 12 are matched together, the first grid rib plates 111 and 121 form a worm chamber, the second grid rib plates 112 and 122 form a transmission chamber, the accommodating cavity forms a driving chamber, the semicircular grooves 113 and 123 form a shaft hole, the half bearing seats 1111 and 1211 form one bearing seat, and the half bearing seats 1112 and 1212 form the other bearing seat.
In this embodiment, a mounting plate 13 is further provided, and the upper and lower ends of the mounting plate are respectively fixed in the slots of the upper cover 11 and the lower cover 12.
Both ends of the worm 40 are provided with bearings 41, and the middle part thereof is provided with a worm gear.
In practical applications, the end of the worm 40 that is engaged with the output shaft of the speed reducer 30 is provided with a square protrusion, and the square protrusion can be snapped into the output shaft of the speed reducer 30, so as to rotate under the driving of the output shaft of the speed reducer 30.
Referring to fig. 5, a shaft hole matched with the rotating shaft of the turntable is formed in the middle of the worm wheel 50, a straight tooth 51 for driving the rotating shaft of the turntable to rotate is axially formed on the inner wall of the shaft hole, and an annular boss 52 is formed on one end surface of the worm wheel 50 around the shaft hole.
With continued reference to fig. 2, the input end of the driver 20 is provided with a fixed shaft 21, and the fixed shaft 21 is provided with a power interface for electrically connecting with a plug of the power cord 60.
The driver 20 is arranged in the driving chamber, the fixed shaft 21 of the driver is fixed in a shaft hole formed by semicircular grooves 113 and 123 on the side wall of the driving chamber, the other end of the driver is fixed on the mounting plate 13, and the output shaft of the driver passes through a through hole in the middle of the mounting plate 13 and is connected with the input shaft of the speed reducer 30; the reducer 30 is arranged in the transmission chamber, clamped in the second grid- shaped rib plates 112 and 122 and fixed by the second grid- shaped rib plates 112 and 122, the end of the input shaft of the reducer is fixed on the other surface of the mounting plate 13, and the output shaft of the reducer is connected with the worm 40. The bearings 41 at the two ends of the worm 40 are respectively fixed on the corresponding bearing seats, the worm wheel 50 is arranged outside the shell 10 and matched with the worm gear of the worm 40, and the positions of the arc-shaped notches of the upper cover 11 and the lower cover 12 of the shell 10 correspond to the positions of the worm gear, so that the worm wheel 50 can be contacted and matched with the worm 40.
In practical applications, the driver 20 may be a servo motor, and the reducer 30 may be a planetary gear.
In the present embodiment, the driver 20 and the wormA reducer 30 is provided between the two stages 40, which can amplify the output torque of the driver 20, so that a small motor with small power and volume can be used, and can rotate the turntable at a slow speed through two-stage transmission, as shown in fig. 6. For example, the transmission ratio i of the reduction gear can be set 1 1: 21.5 (one-stage transmission); the transmission ratio of the worm 40 to the worm wheel 50 is i 2 1: 69 (two-stage drive), when the speed n of the servo motor is 2500rpm, the output angular speed w of the worm wheel 50 is 10 degrees/second.
In practical application, a control device can be additionally arranged, and the control device controls the rotating speed of the driver so as to control the rotating speed of the rotary table.
The rotating device of the embodiment integrates the driver, the speed reducer and the worm into the shell, the first latticed rib plate and the second latticed rib plate are arranged in the shell, the speed reducer and the worm are supported and fixed through the latticed rib plates, a fixing piece and a supporting piece do not need to be additionally arranged, and the rotating device is compact and small in size. And the driver and the speed reducer are fixed together by the mounting plate, so that the volume of the rotating device is further reduced.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A rotating device is suitable for a turntable with a small size, and is characterized by comprising a shell, a driver, a speed reducer, a worm wheel and a worm:
a driving chamber, a transmission chamber and a worm chamber are sequentially arranged in the shell, the worm chamber is provided with a first latticed rib plate, the top profile of the first latticed rib plate is the same as that of the worm, a bearing seat is formed at each of two end parts of the worm chamber, a second latticed rib plate is arranged in the transmission chamber, the top profile of the second latticed rib plate is the same as that of the speed reducer, one end of the second latticed rib plate is connected with the adjacent bearing seat, the other end of the second latticed rib plate is provided with a clamping groove, an installation plate is arranged between the driving chamber and the transmission chamber, and the installation plate is fixed in the clamping groove;
the driver is arranged in the driving chamber, one end of the driver is fixed on the side wall of the driving chamber, the other end of the driver is fixed with the speed reducer, and an output shaft of the driver is connected with an input shaft of the speed reducer;
the speed reducer is clamped in the second latticed rib plate and fixed by the second latticed rib plate, an output shaft of the speed reducer is connected with the worm, and the end, where the input shaft is located, of the speed reducer is fixed on the other surface of the mounting plate;
bearings are arranged at two ends of the worm and are fixed on corresponding bearing seats, and a worm gear is further arranged on the worm;
the worm wheel is arranged outside the shell and matched with the worm gear of the worm, and the shell is provided with a notch corresponding to the worm gear.
2. The rotating device as claimed in claim 1, wherein a shaft hole is formed in the middle of the worm wheel and is engaged with the rotating shaft of the turntable, and straight teeth for driving the rotating shaft to rotate are formed on the inner wall of the shaft hole in the axial direction.
3. The rotary device as claimed in claim 2, wherein one end face of said worm wheel is further provided with an annular boss around said shaft hole.
4. The rotating apparatus according to claim 1, wherein a set of planetary gears is provided in the speed reducer.
5. The rotating apparatus according to claim 1, wherein the housing comprises an upper cover and a lower cover, the upper cover and the lower cover are engaged, and a fixing portion is further provided on the lower cover for fixing the rotating apparatus.
6. The rotating apparatus according to claim 5, wherein the first and second grid rib are formed by grid ribs of the upper and lower covers.
7. A rotary device according to any one of claims 1 to 6 wherein the gear ratio of the reducer is 1: 21.5; the transmission ratio of the worm to the worm wheel is 1: 69.
8. the rotary device of claim 7, wherein the drive is a servo motor, and the output angular velocity of the worm gear is 10 degrees per second when the speed of the servo motor is 2500 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067781.1A CN111271433B (en) | 2020-01-20 | 2020-01-20 | Rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067781.1A CN111271433B (en) | 2020-01-20 | 2020-01-20 | Rotating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111271433A CN111271433A (en) | 2020-06-12 |
| CN111271433B true CN111271433B (en) | 2022-08-02 |
Family
ID=70996872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067781.1A Active CN111271433B (en) | 2020-01-20 | 2020-01-20 | Rotating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111271433B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458735B (en) * | 2022-04-12 | 2022-07-12 | 深圳市雅力士电机有限公司 | Self-locking mechanism of worm |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202274066U (en) * | 2011-09-28 | 2012-06-13 | 重庆长安汽车股份有限公司 | Electric automobile reduction case |
| DE102011054956B4 (en) * | 2011-10-31 | 2022-05-12 | Minebea Mitsumi Inc. | Drive unit for an actuator with an electric motor and associated actuator |
| CN102562949B (en) * | 2011-11-29 | 2015-07-15 | 配天(安徽)电子技术有限公司 | Worm reducer, robot joint and robot arm |
| CN203285549U (en) * | 2013-06-04 | 2013-11-13 | 韩群山 | Hybrid electric automobile engine throttle executive device |
| CN207178584U (en) * | 2017-09-15 | 2018-04-03 | 浙江益欣传动设备有限公司 | High-precision compact type worm gear reducer |
| KR102047753B1 (en) * | 2018-03-02 | 2019-12-02 | 셰플러코리아(유) | A Motor-Driven Power Steering Apparatus |
| CN209026170U (en) * | 2018-10-31 | 2019-06-25 | 佛山市南海珠江减速机有限公司 | Worm-gear speed reducer |
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2020
- 2020-01-20 CN CN202010067781.1A patent/CN111271433B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111271433A (en) | 2020-06-12 |
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