CN109296703A - A kind of rotary positioning and directing equipment - Google Patents
A kind of rotary positioning and directing equipment Download PDFInfo
- Publication number
- CN109296703A CN109296703A CN201811431696.8A CN201811431696A CN109296703A CN 109296703 A CN109296703 A CN 109296703A CN 201811431696 A CN201811431696 A CN 201811431696A CN 109296703 A CN109296703 A CN 109296703A
- Authority
- CN
- China
- Prior art keywords
- bearing
- worm screw
- stepper motor
- speed reducer
- turbine
- 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.)
- Pending
Links
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/203—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with non-parallel axes
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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
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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
- F16H57/039—Gearboxes for accommodating worm gears
Abstract
The present invention relates to a kind of rotary positioning and directing equipment, and including speed reducer, rotating mechanism, the gear wheel being connected with rotating mechanism, the pinion gear by speed reducer driving and with gear wheel engaged transmission, speed reducer is mounted on the side of rotating mechanism；Speed reducer includes stepper motor and reducer shell, and turbine, the worm screw of engaged transmission are equipped in the decelerator body body, and stepper motor output shaft penetrates in worm screw, and pinion gear and turbine wheel shaft are connected；Worm screw installs first bearing close to one end of stepper motor, and the other end of worm screw installs second bearing, and bearing (ball) cover is installed in the side of second bearing.The present invention is directed to the characteristics of rotary positioning and directing equipment, different from conventional turbine worm decelerating machine scheme, new " motor-bearing-bearing " bikini fixing assembling structure is designed, is solved because stepper motor axially uses resilient wave washer bring to rotate the rotational structure axial float positioning accuracy off-gage phenomenon under halted state in the case where vibrating operating condition.
Description
Technical field
The present invention relates to a kind of rotary positioning and directing equipment.
Background technique
Rotatably positioning and directing equipment has the characteristics that with high accuracy, needs to have indexing mechanism.Indexing mechanism has driving
Mechanism can drive rotational structure around the function of rotary shaft continuous rotation.Positioning and directing equipment is usually wanted because of the requirement of its running environment
It strictly vibrated, impacted, being overloaded, the use condition examination that use temperature range is wide, positioning and directing equipment needs low at -40 DEG C
It uses under warm environment, while having strictly to the rotational structure axial float positioning accuracy under rotation halted state in the case where vibrating operating condition
It is required that.Therefore in the driving design field of rotary positioning and directing equipment, driving is designed as key technology.In positioning and directing equipment
The indexing mechanism of tape drive mechanism be different from other equipment indexing mechanism, the indexing mechanism in positioning and directing equipment has volume
The features such as position stability is high under small, stable drive, vibration operating condition.
Existing rotary positioning and directing equipment is being positioned for -40 DEG C of low temperature environments frequently with torque motor drive scheme
Orientation equipment height dimension is big or bulk requires mismatch case.
It is two point form support scheme, i.e. motor that existing stepper motor driving turbine worm reducer operational version, which is drive shaft,
Axis and scroll bar one end are affixed, " motor-bearing " two point form connection scheme that the worm screw other end is connect with bearing, wherein stepping electricity
Contain bearing-transmission inside machine.Although the connection type be applied to rotary positioning and directing equipment product can with normal driving,
The rotational structure axial float positioning accuracy off-gage phenomenon under rotation halted state in the case where vibrating operating condition can be brought.
Summary of the invention
The purpose of the present invention uses, and in view of the deficiencies of the prior art, provides a kind of rotary positioning and directing equipment, resistance to low
Temperature, space-efficient feature, make have the indexing mechanism of turbine worm reducer in the case where rotating halted state in the case where vibrating operating condition
Rotational structure axial float positioning accuracy is improved.
The technical scheme is that a kind of rotary positioning and directing equipment, including speed reducer, rotating mechanism and rotation
The connected gear wheel of mechanism, the pinion gear by speed reducer driving and with gear wheel engaged transmission, the speed reducer are mounted on rotation
The side of mechanism；The speed reducer includes stepper motor and reducer shell, is equipped with engaged transmission in the decelerator body body
Turbine, worm screw, the stepper motor output shaft penetrate in worm screw, and the pinion gear and turbine wheel shaft are connected；The worm screw is close to step
First bearing is installed into one end of motor, the other end of worm screw installs second bearing, and bearing is installed in the side of the second bearing
End cap.
Preferably, the reducer shell one end installation pinboard being connect with stepper motor.
Preferably, the pinion gear is connected by screw and turbine wheel shaft, and passes through straight pin, key and turbine axis connection.
Preferably, end ring is equipped between the first bearing and worm screw.
The present invention is directed to the characteristics of rotary positioning and directing equipment, is different from conventional turbine worm decelerating machine scheme, design
New " motor-bearing-bearing " bikini fixing assembling structure out, solves because stepper motor axially uses elastic waveform stereoscopic pad
Enclose the rotational structure axial float positioning accuracy off-gage phenomenon under bring rotation halted state in the case where vibrating operating condition.Because of worm screw
Axial float can be transferred to rotational structure by transmission chain, bring its axial movement space, and the present invention is all made of worm screw both ends
Bearing is fixed, while processing end ring control worm screw axial float value by manufacturing mode.So this mounting means is to processing
And assembly proposes higher requirement, to guarantee that transmission is smooth, need to control the machining accuracy of each part, guarantee motor output shaft
With the concentricity of worm shaft, bring parts depreciation in use process is avoided.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of rotary positioning and directing equipment of the present invention；
Fig. 2 is the structural front view of speed reducer of the present invention；
Fig. 3 is the cross-sectional view of Fig. 2.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of rotary positioning and directing equipment, including speed reducer 15, rotating mechanism 17 and whirler
The connected gear wheel 16 of structure 17 is driven and the pinion gear 13 with 16 engaged transmission of gear wheel, speed reducer 15 are installed by speed reducer 15
In the side of rotating mechanism 17.
The present invention passes through speed reducer because different spatial designs requires the scheme for proposing to drive using turbine worm reducer
Side installation, effectively solves the problems, such as space utilization.Using the big feature of turbine and worm transmission gear ratio, it is driven by double reduction
Transmission ratio is improved, higher driving moment is obtained.
As shown in figure 3, speed reducer includes stepper motor 1 and reducer shell 3, engaged transmission is equipped in reducer shell 3
Turbine 4, worm screw 7, stepper motor output shaft 2 penetrates in worm screw 7, and pinion gear 13 and turbine wheel shaft are connected；Worm screw 7 is close to stepping electricity
First bearing 9 is installed in one end of machine 1, and the other end of worm screw 7 installs second bearing 6, and bearing (ball) cover is installed in the side of second bearing 6
5；3 one end of the reducer shell installation pinboard 10 being connect with stepper motor 1；Bearing rib is equipped between first bearing 9 and worm screw 7
Circle 8.
The present invention is directed to the characteristics of rotary positioning and directing equipment, is different from conventional turbine worm decelerating machine scheme, design
New " motor-bearing-bearing " bikini fixing assembling structure out, solves because stepper motor axially uses elastic waveform stereoscopic pad
Enclose the rotational structure axial float positioning accuracy off-gage phenomenon under bring rotation halted state in the case where vibrating operating condition.Because of worm screw
Axial float can be transferred to rotational structure by transmission chain, bring its axial movement space, and the present invention is all made of worm screw both ends
Bearing is fixed, while processing end ring control worm screw axial float value by manufacturing mode.So this mounting means is to processing
And assembly proposes higher requirement, to guarantee that transmission is smooth, need to control the machining accuracy of each part, guarantee motor output shaft
With the concentricity of worm shaft, bring parts depreciation in use process is avoided.
Worm screw both ends are all made of bearing and fix in the present invention, while processing end ring control worm shaft by manufacturing mode
To play value.Manufacturing dimensional control methods is by bearing (ball) cover, bearing, worm screw, reducer shell and end ring in worm screw
Axial size chain relation, calculates the thickness of end ring, to obtain suitable fitted position, guarantees worm drive
Smoothly while rotation, worm screw axial float is reduced as far as possible.
Pinion gear 13 is connected by screw 14 and turbine wheel shaft, and passes through straight pin 11, key 12 and turbine axis connection.The present invention
Middle worm-gear output shaft and pinion gear are connected by screw, because of output shaft limited diameter, using straight pin and are keyed dual connection
Mode eliminates the opposite sliding of turbine output shaft and pinion gear by attachment.
In use, Principle of Rotating is that stepper motor drives worm screw in speed reducer to drive worm gear rotation, pinion gear and worm gear
Axis is connected, and worm gear shaft drives 13 synchronous rotary of pinion gear, the dual fixed form that pinion gear passes through straight pin 11 and key connection 12
It is connected by screw 14 and turbine wheel shaft, so that gear wheel 16 and rotational structure 17 is driven to rotate, gear wheel 16 and rotational structure 17
It is connected.
" motor-bearing-bearing " bikini fixing assembling structure of worm screw in the invention needs strict control worm screw axial
The machining accuracy of dimensional chain for assembly and each components.Pass through bearing (ball) cover 5, first bearing 9, second bearing 6, worm screw 7, speed reducer
Shell 3 and end ring 5 calculate the thickness of end ring in the size chain relation of worm screw axial direction, to obtain properly
Fitted position, guarantee worm drive while smoothly rotate, as far as possible reduction worm screw axial float.It is set by reasonable structure
Meter scheme is effectively utilized the advantages of stepper motor driving turbine worm reducer is driven, according to the use of positioning and directing equipment
Feature devises new transmission scheme, ensure that the precision and use reliability of product.The present invention has applied Mr. Yu's positioning and directing
The batch production of equipment.After system carries out installation and commissioning, structural member reaches carrying check requirements, and system is reliable for operation,
System designs successfully.Using effect of the present invention is good, has reached provide reliable and stable operation platform for equipment in use
Purpose, meet product design index.Present invention can apply to the positioning and directing equipment in other each fields, are alternatively arranged as other
Need similar product design reference.
Claims (4)
1. a kind of rotary positioning and directing equipment, including speed reducer (15), rotating mechanism (17), it is connected with rotating mechanism (17)
Gear wheel (16), the pinion gear (13) by speed reducer (15) driving and with gear wheel (16) engaged transmission, characterized in that described to subtract
Fast machine (15) is mounted on the side of rotating mechanism (17)；The speed reducer includes stepper motor (1) and reducer shell (3), institute
Turbine (4), the worm screw (7) that engaged transmission is equipped in reducer shell (3) are stated, the stepper motor output shaft (2) penetrates worm screw
(7) in, the pinion gear (13) and turbine wheel shaft are connected；The worm screw (7) installs first bearing close to the one end of stepper motor (1)
(9), the other end of worm screw (7) installs second bearing (6), and bearing (ball) cover (5) are installed in the side of the second bearing (6).
2. rotary positioning and directing equipment according to claim 1, characterized in that the speed reducer being connect with stepper motor (1)
Shell (3) one end is installed by pinboard (10).
3. rotary positioning and directing equipment according to claim 1, characterized in that the pinion gear (13) passes through screw (14)
It is connected with turbine wheel shaft, and passes through straight pin (11), key (12) and turbine axis connection.
4. rotary positioning and directing equipment according to claim 1, characterized in that the first bearing (9) and worm screw (7) it
Between be equipped with end ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431696.8A CN109296703A (en) | 2018-11-27 | 2018-11-27 | A kind of rotary positioning and directing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431696.8A CN109296703A (en) | 2018-11-27 | 2018-11-27 | A kind of rotary positioning and directing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296703A true CN109296703A (en) | 2019-02-01 |
Family
ID=65143848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811431696.8A Pending CN109296703A (en) | 2018-11-27 | 2018-11-27 | A kind of rotary positioning and directing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117879249A (en) * | 2024-03-13 | 2024-04-12 | 江苏泰隆减速机股份有限公司 | Intelligent high-power impact-resistant permanent magnet noise reduction gear motor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2445016A (en) * | 1945-06-14 | 1948-07-13 | Harold P Bentley | Work manipulator |
| US4369958A (en) * | 1980-11-17 | 1983-01-25 | Airco, Inc. | Rotating table positioning device with minimum backlash |
| JPH10193235A (en) * | 1997-01-10 | 1998-07-28 | Sigma Tec Kk | Angular positioning device |
| JP3022549B1 (en) * | 1999-03-05 | 2000-03-21 | 中央精機株式会社 | Fine movement positioning mechanism, fine movement positioning stage device and work arm device |
| JP2004092908A (en) * | 2002-08-09 | 2004-03-25 | Asmo Co Ltd | Motor with reduction gear and manufacturing method of motor with reduction gear |
| CN202327016U (en) * | 2011-12-09 | 2012-07-11 | 浙江康明斯机械有限公司 | Reducer |
| CN203686069U (en) * | 2013-12-06 | 2014-07-02 | 浙江顺天减速机制造有限公司 | Speed reducer with stable transmission |
| CN207267158U (en) * | 2017-08-23 | 2018-04-24 | 宁波海天精工股份有限公司 | A kind of worktable rotary detent mechanism |
| CN209180309U (en) * | 2018-11-27 | 2019-07-30 | 湖南航天机电设备与特种材料研究所 | A kind of rotary positioning and directing equipment |
-
2018
- 2018-11-27 CN CN201811431696.8A patent/CN109296703A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2445016A (en) * | 1945-06-14 | 1948-07-13 | Harold P Bentley | Work manipulator |
| US4369958A (en) * | 1980-11-17 | 1983-01-25 | Airco, Inc. | Rotating table positioning device with minimum backlash |
| JPH10193235A (en) * | 1997-01-10 | 1998-07-28 | Sigma Tec Kk | Angular positioning device |
| JP3022549B1 (en) * | 1999-03-05 | 2000-03-21 | 中央精機株式会社 | Fine movement positioning mechanism, fine movement positioning stage device and work arm device |
| JP2004092908A (en) * | 2002-08-09 | 2004-03-25 | Asmo Co Ltd | Motor with reduction gear and manufacturing method of motor with reduction gear |
| CN202327016U (en) * | 2011-12-09 | 2012-07-11 | 浙江康明斯机械有限公司 | Reducer |
| CN203686069U (en) * | 2013-12-06 | 2014-07-02 | 浙江顺天减速机制造有限公司 | Speed reducer with stable transmission |
| CN207267158U (en) * | 2017-08-23 | 2018-04-24 | 宁波海天精工股份有限公司 | A kind of worktable rotary detent mechanism |
| CN209180309U (en) * | 2018-11-27 | 2019-07-30 | 湖南航天机电设备与特种材料研究所 | A kind of rotary positioning and directing equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117879249A (en) * | 2024-03-13 | 2024-04-12 | 江苏泰隆减速机股份有限公司 | Intelligent high-power impact-resistant permanent magnet noise reduction gear motor |
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