CN108747891A - A kind of precision machined positioning device of elongated rotating shaft - Google Patents
A kind of precision machined positioning device of elongated rotating shaft Download PDFInfo
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- CN108747891A CN108747891A CN201810561620.0A CN201810561620A CN108747891A CN 108747891 A CN108747891 A CN 108747891A CN 201810561620 A CN201810561620 A CN 201810561620A CN 108747891 A CN108747891 A CN 108747891A
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- rotating shaft
- push
- electric machine
- rod
- sliding block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Mechanical Engineering (AREA)
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Abstract
The present invention provides a kind of elongated precision machined positioning devices of rotating shaft, belong to field of mechanical technique.A kind of precision machined positioning device of elongated rotating shaft, including pedestal are provided with lifter plate on pedestal, and lifter plate is fixed on the base by elevating mechanism；It is fixed on lifter plate that there are two circular annular rings one, three screw rods being mutually parallel are provided between two annular rings one, three screw rods are angularly arranged around the center of annular ring one, a feed channel for rotating shaft conveying is formed between three screw rods, screw rod is fixed on the annular rings by regulating mechanism one, and regulating mechanism one is for controlling the translation of screw rod to adjust the size of feed channel；Screw rod is connected with a driving mechanism with its rotation.The present invention has the accuracy of rotating shaft positioning high, and the advantages of prevent bending.
Description
Technical field
The invention belongs to field of mechanical technique, especially a kind of precision machined positioning device of elongated rotating shaft.
Background technology
Rotating shaft is an important component in mechanical device, in large-scale material conveying and lifting equipment, revolving body
It is often used as support and the pivoting part of equipment, such as the base section of tower belt crane in Three Gorges Projects and standard knot, port and pier tower crane
Revolving support revolving body and power plant and cement plant the revolving body of circular piling materials take-out etc..To revolving body casting or return
The further processing of forging is turned to expand aperture, improves precision, corrects the deflection of original axially bored line, reducing surface roughness is
Revolving body processing is essential.
FORCES ON SLENDER BODY OF REVOLUTION part is due to its geometric dimension overlength super large, even overweight, in the upper very trouble of processing positioning.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of elongated rotating shaft Precision Machining
Positioning device, solve the accuracy for how improving rotating shaft positioning, and prevent from being bent.
Object of the invention can be realized by the following technical scheme：
A kind of precision machined positioning device of elongated rotating shaft, including pedestal, which is characterized in that be arranged on the pedestal
There are lifter plate, lifter plate to be fixed on the base by elevating mechanism；It is fixed on the lifter plate that there are two circular annular rings
One, three screw rods being mutually parallel are provided between two annular rings one, and three screw rods are angularly around the central row of annular ring one
Cloth, forms a feed channel for rotating shaft conveying between three screw rods, and the screw rod is fixed on by regulating mechanism one
On annular ring, regulating mechanism one is for controlling the translation of screw rod to adjust the size of feed channel；The screw rod and one is with its turn
Dynamic driving mechanism is connected；It is also equidistantly set on the lifter plate there are two annular ring two, annular ring two is located at two annular rings
Between one, fixed between two annular rings two there are three cross bars, and three cross bars are angularly arranged around two center of annular ring, described
The detent mechanism for positioning rotating shaft is provided on cross bar.
The operation principle of the present invention：One end of rotating shaft is inserted into feed channel, then by regulating mechanism one adjust into
Material path makes screw-pressing on rotating shaft, and by driving mechanism drive screw turns, rotating shaft is delivered to three screw rods by screw rod
Between, then start detent mechanism and fixes rotating shaft.
By three screw rods, it can guarantee that rotating shaft will not be bent, positional accuracy is higher, adjusts and lifts by elevating mechanism
The height of plate is applicable to various mechanical equipments so that rotating shaft height is adjusted, applied widely.
In the above-mentioned elongated precision machined positioning device of rotating shaft, slide bar, institute are installed on the quadrangle of the pedestal
Through-hole is offered on the lifter plate stated, slide bar penetrates in through-hole.Positioned by slide bar, make lifter plate can only oscilaltion,
Improve the stability of lifter plate.
In the above-mentioned elongated precision machined positioning device of rotating shaft, the elevating mechanism includes that elevating mechanism includes
First sliding rail, the second sliding rail, push-rod electric machine one, head rod and the second connecting rod, the first sliding rail are installed in pedestal top, the
Symmetrical slidingtype is connected with the first sliding block and the second sliding block on one sliding rail, has connecting plate one on the first sliding block, and second slides
There is connecting plate two, the push-rod electric machine one to be installed between connecting plate one and connecting plate two and make the first sliding block and the on block
Two sliding blocks can relatively move；Second sliding rail is installed in the lower face of lifter plate, symmetrical on second sliding rail
Slidingtype is connected with third sliding block and Four-slider；The head rod is hinged on the first sliding block and Four-slider, institute
The second connecting rod stated is hinged on the second sliding block and third sliding block；It is mutually cut with scissors with the second connecting rod middle part in the middle part of head rod
It connects.Push-rod electric machine one starts, and drives the first sliding block being connect with push-rod electric machine one and the second sliding block close to each other, makes to slide with first
The lower end of block and the connected head rod and the second connecting rod of the second sliding block is close to each other, and makes the second of lifter plate lower face
Sliding block and third sliding block are close to each other, and lifter plate is made to be lifted upwards.
In the above-mentioned elongated precision machined positioning device of rotating shaft, the regulating mechanism one includes two He of push-rod electric machine
Movable stand, the push-rod electric machine two are installed on annular ring one, and the output shaft of push-rod electric machine two is towards one center of annular ring, institute
The movable stand stated is installed in the output shaft end of push-rod electric machine two, and the screw rod is rotatably arranged on movable stand.Push-rod electric machine
One starts, and push-rod electric machine one drives movable stand movement, movable stand to drive screw rod movement, and three screw rods on annular ring one are towards annular
Enclose center movement.
In the above-mentioned elongated precision machined positioning device of rotating shaft, the driving mechanism includes first motor, fixation
Plate, chain, several gears one and gear two, the gear one are coaxially installed in one end of screw rod, and the fixed plate passes through
The regulating mechanism two for adjusting its lifting is installed on pedestal, and the first motor is fixed in fixed plate, the gear two
It is coaxially installed on the output shaft of first motor, the chain is set on gear one and gear two, is turned on the pedestal
The dynamic wheel of tightening being provided with for tightening chain, chain are engaged with wheel is tightened.First motor starts, and band moving gear two rotates, tooth
Wheel two is rotated by chain-driving gear one, and during screw rod moves, the height of first motor is adjusted by regulating mechanism two
Degree makes chain tightly be fitted on gear one, prevents the chain in adjustment process to control the elasticity of chain by tightening wheel
It falls off from gear one.
In the above-mentioned elongated precision machined positioning device of rotating shaft, the regulating mechanism two includes push-rod electric machine three,
Push-rod electric machine three be installed on pedestal and output shaft straight up, the fixed plate is installed in the output shaft end of push-rod electric machine three
Portion.Push-rod electric machine three starts, and drives fixed plate oscilaltion.
In the above-mentioned elongated precision machined positioning device of rotating shaft, the detent mechanism includes push-rod electric machine four, moves
Movable plate and fixation kit is squeezed, the push-rod electric machine four is installed on transverse slat, and the output shaft of push-rod electric machine four is towards annular ring
Two centers, the movable plate are installed in the output shaft end of push-rod electric machine four, and the extruding fixation kit is installed in
On movable plate.Push-rod electric machine four starts, and drives movable plate movement, squeezes fixation kit and is tightly pressed against on rotating shaft.
In the above-mentioned elongated precision machined positioning device of rotating shaft, the extruding fixation kit include multiple struts and
The rolling wheel being rotatably arranged on strut, the strut are fixed on movable plate.Rolling wheel can rotate, and be rotated in screw rod
When, rotating shaft, which follows, to be rotated and conveys forward, and the rolling wheel on strut also follows rotation.
Compared with prior art, the present invention has the following advantages：
By three screw rods, it can guarantee that rotating shaft will not be bent, positional accuracy is higher, adjusts and lifts by elevating mechanism
The height of plate is applicable to various mechanical equipments so that rotating shaft height is adjusted, applied widely.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the schematic diagram of screw rod in the present invention.
Fig. 3 is the schematic diagram of detent mechanism in the present invention.
Fig. 4 is the layout viewing of middle gear one and gear two of the present invention.
In figure, 1, pedestal；2, lifter plate；3, annular ring one；4, screw rod；5, feed channel；6, annular ring two；7, cross bar；8,
Slide bar；9, the first sliding rail；10, the second sliding rail；11, head rod；12, the second connecting rod；13, movable stand；14, fixed plate；
15, chain；16, gear one；17, gear two；18, wheel is tightened；19, movable plate；20, strut；21, rolling wheel.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figures 1 to 4, a kind of precision machined positioning device of elongated rotating shaft, including pedestal 1 are arranged on pedestal 1
There are lifter plate 2, lifter plate 2 to be fixed on pedestal 1 by elevating mechanism；It is fixed on lifter plate 2 that there are two circular annular rings one
3, three screw rods being mutually parallel 4 are provided between two annular rings 1, and three screw rods 4 are angularly around the center of annular ring 1
It arranges, forms a feed channel 5 for rotating shaft conveying between three screw rods 4, screw rod 4 is fixed on ring by regulating mechanism one
On shape circle, regulating mechanism one is for controlling the translation of screw rod 4 to adjust the size of feed channel 5；Drive of the screw rod 4 and one with its rotation
Motivation structure is connected；It also equidistantly being set on lifter plate 2 there are two annular ring 26, annular ring 26 is located between two annular rings 1, and two
Fixed there are three cross bar 7 between a annular ring 26, three cross bars 7 are angularly arranged around 26 center of annular ring, are arranged on cross bar 7
It is useful for the detent mechanism of positioning rotating shaft.
By three screw rods 4, it can guarantee that rotating shaft will not be bent, positional accuracy is higher, adjusts and rises by elevating mechanism
Drop plate 2 height so that rotating shaft height adjust, be applicable to various mechanical equipments, it is applied widely.
Specifically, it is installed with slide bar 8 on the quadrangle of pedestal 1, through-hole is offered on lifter plate 2, slide bar 8 penetrates in through-hole.
Positioned by slide bar 8, make lifter plate 2 can only oscilaltion, improve lifter plate 2 stability.
Specifically, it includes the first sliding rail 9, the second sliding rail 10, push-rod electric machine one, first that elevating mechanism, which includes elevating mechanism,
Connecting rod 11, the second connecting rod 12, telescopic rod one and telescopic rod two, the first sliding rail 9 are installed in 1 top of pedestal, on the first sliding rail 9
Symmetrical slidingtype is connected with the first sliding block and the second sliding block, has connecting plate one on the first sliding block, has on the second sliding block
Connecting plate two, push-rod electric machine one are installed between connecting plate one and connecting plate two and enable the first sliding block and the opposite shifting of the second sliding block
It is dynamic；Second sliding rail 10 is installed in the lower face of lifter plate 2, on the second sliding rail 10 symmetrical slidingtype be connected with third sliding block and
Four-slider；Head rod 11 is hinged on the first sliding block and Four-slider, the second connecting rod 12 be hinged on the second sliding block and
On third sliding block；11 middle part of head rod is hinged with 12 middle part of the second connecting rod；Telescopic rod one and telescopic rod two are vertical
It is fixed between transverse slat and pedestal 1, telescopic rod one and telescopic rod two are mutually parallel；Telescopic rod one is located at one side of sliding block, stretches
Bar two is located at two side of sliding block.Push-rod electric machine one starts, and drives the first sliding block being connect with push-rod electric machine one and the second sliding block phase
It is mutually close, keep the lower end of the head rod being connected with the first sliding block and the second sliding block 11 and the second connecting rod 12 close to each other,
And keep the second sliding block of 2 lower face of lifter plate and third sliding block close to each other, so that lifter plate 2 is lifted upwards.
Specifically, regulating mechanism one includes push-rod electric machine two and movable stand 13, and push-rod electric machine two is installed in annular ring 1
On, for the output shaft of push-rod electric machine two towards one 3 center of annular ring, movable stand 13 is installed in the output shaft end of push-rod electric machine two,
Screw rod 4 is rotatably arranged on movable stand 13.Push-rod electric machine one starts, and push-rod electric machine one drives movable stand 13 to move, movable stand 13
Screw rod 4 is driven to move, three screw rods 4 on annular ring 1 are moved towards one 3 center of annular ring.
Specifically, driving mechanism includes first motor, fixed plate 14, chain 15, several gears 1 and gear 2 17, tooth
One 16 coaxial one end for being installed in screw rod 4 are taken turns, fixed plate 14 is installed in by adjusting the regulating mechanism two of its lifting on pedestal 1,
First motor is fixed in fixed plate 14, and gear 2 17 is coaxially installed on the output shaft of first motor, and chain 15 is set in tooth
It takes turns on one 16 and gear 2 17, rotation is provided on pedestal 1 tightens wheel 18 for tighten chain 15, chain 15 and tightens wheel 18
Engagement.First motor starts, and band moving gear 2 17 rotates, and gear 2 17 is rotated by chain 15 with moving gear 1, in screw rod 4
In mobile process, the height for adjusting first motor by regulating mechanism two is taken turns with controlling the elasticity of chain 15 by tightening
18 make chain 15 tightly be fitted on gear 1, prevent the chain 15 in adjustment process from falling off from gear 1.
Specifically, regulating mechanism two include push-rod electric machine three, push-rod electric machine three be installed on pedestal 1 and output shaft vertically to
On, fixed plate 14 is installed in the output shaft end of push-rod electric machine three.Push-rod electric machine three starts, and drives 14 oscilaltion of fixed plate.
Specifically, detent mechanism includes push-rod electric machine four, movable plate 19 and squeezes fixation kit, and push-rod electric machine four is installed in
On transverse slat, for the output shaft of push-rod electric machine four towards 26 center of annular ring, movable plate 19 is installed in the output of push-rod electric machine four
Shaft end squeezes fixation kit and is installed on movable plate 19.Push-rod electric machine four starts, and movable plate 19 is driven to move, and squeezes and fixes
Component is tightly pressed against on rotating shaft.
Specifically, it includes multiple struts 20 and the rolling wheel 21 that is rotatably arranged on strut 20 to squeeze fixation kit, strut
20 are fixed on movable plate 19.Rolling wheel 21 can rotate, and when screw rod 4 rotates, rotating shaft, which follows, to be rotated and convey forward, is propped up
Rolling wheel 21 on bar 20 also follows rotation.
The operation principle of the present invention：One end of rotating shaft is inserted into feed channel 5, then by regulating mechanism one adjust into
Material path 5 makes screw rod 4 be pressed on rotating shaft, drives screw rod 4 to rotate by driving mechanism, rotating shaft is delivered to three by screw rod 4
Between screw rod 4, then starts detent mechanism and fix rotating shaft.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of precision machined positioning device of elongated rotating shaft, including pedestal, which is characterized in that be provided on the pedestal
Lifter plate, lifter plate are fixed on the base by elevating mechanism；It is fixed there are two circular annular ring one on the lifter plate,
Three screw rods being mutually parallel are provided between two annular rings one, three screw rods are angularly arranged around the center of annular ring one,
A feed channel for rotating shaft conveying is formed between three screw rods, the screw rod is fixed on annular by regulating mechanism one
On circle, regulating mechanism one is for controlling the translation of screw rod to adjust the size of feed channel；The screw rod and one is with its rotation
Driving mechanism is connected；Also equidistantly set on the lifter plate there are two annular ring two, annular ring two be located at two annular rings one it
Between, fixed there are three cross bar between two annular rings two, three cross bars are angularly arranged around two center of annular ring, the cross bar
On be provided with detent mechanism for positioning rotating shaft.
2. a kind of elongated precision machined positioning device of rotating shaft according to claim 1, which is characterized in that the bottom
It is installed with slide bar on the quadrangle of seat, through-hole is offered on the lifter plate, slide bar penetrates in through-hole.
3. a kind of elongated precision machined positioning device of rotating shaft according to claim 1, which is characterized in that the liter
It includes the first sliding rail, the second sliding rail, push-rod electric machine one, head rod and the second connecting rod that descending mechanism, which includes elevating mechanism,
First sliding rail is installed in pedestal top, and symmetrical slidingtype is connected with the first sliding block and the second sliding block on the first sliding rail, and first
There is connecting plate one on sliding block, there is connecting plate two, the push-rod electric machine one to be installed in connecting plate one and connect on the second sliding block
Between fishplate bar two and the first sliding block and the second sliding block is enable to relatively move；Second sliding rail is installed in the lower plate of lifter plate
Face, symmetrical slidingtype is connected with third sliding block and Four-slider on second sliding rail；The head rod hinge
It is connected on the first sliding block and Four-slider, second connecting rod is hinged on the second sliding block and third sliding block；First connection
It is hinged with the second connecting rod middle part in the middle part of bar.
4. a kind of elongated precision machined positioning device of rotating shaft according to claim 1, which is characterized in that the tune
It includes push-rod electric machine two and movable stand to save mechanism one, and the push-rod electric machine two is installed on annular ring one, push-rod electric machine two
For output shaft towards one center of annular ring, the movable stand is installed in the output shaft end of push-rod electric machine two, and the screw rod turns
It is dynamic to be arranged on movable stand.
5. a kind of elongated precision machined positioning device of rotating shaft according to claim 1, which is characterized in that the drive
Motivation structure includes first motor, fixed plate, chain, several gears one and gear two, and the gear one is coaxially installed in screw rod
One end, the fixed plate by adjust its lifting regulating mechanism two be installed on pedestal, the first motor is fixed
In fixed plate, the gear two is coaxially installed on the output shaft of first motor, and the chain is set in one He of gear
On gear two, the wheel of tightening being provided with for tightening chain is rotated on the pedestal, chain is engaged with wheel is tightened.
6. a kind of elongated precision machined positioning device of rotating shaft according to claim 5, which is characterized in that the tune
It includes push-rod electric machine three to save mechanism two, push-rod electric machine three be installed on pedestal and output shaft straight up, the fixed plate is solid
It is located at the output shaft end of push-rod electric machine three.
7. a kind of elongated precision machined positioning device of rotating shaft according to claim 1, which is characterized in that described determines
Position mechanism includes push-rod electric machine four, movable plate and squeezes fixation kit, and the push-rod electric machine four is installed on transverse slat, push rod electricity
For the output shaft of machine four towards two center of annular ring, the movable plate is installed in the output shaft end of push-rod electric machine four, institute
The extruding fixation kit stated is installed on movable plate.
8. a kind of elongated precision machined positioning device of rotating shaft according to claim 7, which is characterized in that described squeezes
Pressure fixation kit includes multiple struts and the rolling wheel that is rotatably arranged on strut, and the strut is fixed on movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561620.0A CN108747891B (en) | 2018-06-04 | 2018-06-04 | Positioning device for precision machining of slender rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561620.0A CN108747891B (en) | 2018-06-04 | 2018-06-04 | Positioning device for precision machining of slender rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108747891A true CN108747891A (en) | 2018-11-06 |
| CN108747891B CN108747891B (en) | 2020-09-08 |
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ID=64002447
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810561620.0A Active CN108747891B (en) | 2018-06-04 | 2018-06-04 | Positioning device for precision machining of slender rotating shaft |
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| CN (1) | CN108747891B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882674A (en) * | 2019-03-28 | 2019-06-14 | 浙江海洋大学 | A kind of water tubular union |
| CN116079619A (en) * | 2023-01-16 | 2023-05-09 | 杭州同创顶立机械有限公司 | Long shaft type part propelling and positioning mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862946A (en) * | 2017-04-13 | 2017-06-20 | 南京康尼机电股份有限公司 | A kind of support whirligig and method for processing thin and long units |
| CN206467140U (en) * | 2016-11-10 | 2017-09-05 | 天津南玻节能玻璃有限公司 | A kind of glass tube automatic processing device |
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2018
- 2018-06-04 CN CN201810561620.0A patent/CN108747891B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206467140U (en) * | 2016-11-10 | 2017-09-05 | 天津南玻节能玻璃有限公司 | A kind of glass tube automatic processing device |
| CN106862946A (en) * | 2017-04-13 | 2017-06-20 | 南京康尼机电股份有限公司 | A kind of support whirligig and method for processing thin and long units |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882674A (en) * | 2019-03-28 | 2019-06-14 | 浙江海洋大学 | A kind of water tubular union |
| CN109882674B (en) * | 2019-03-28 | 2024-02-23 | 浙江海洋大学 | Water pipe connecting piece |
| CN116079619A (en) * | 2023-01-16 | 2023-05-09 | 杭州同创顶立机械有限公司 | Long shaft type part propelling and positioning mechanism |
| CN116079619B (en) * | 2023-01-16 | 2023-08-08 | 杭州同创顶立机械有限公司 | Long shaft type part propelling and positioning mechanism |
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| Publication number | Publication date |
|---|---|
| CN108747891B (en) | 2020-09-08 |
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