CN205986471U - Novel electronic jar of rolling friction multistage lead screw of combination - Google Patents
Novel electronic jar of rolling friction multistage lead screw of combination Download PDFInfo
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- CN205986471U CN205986471U CN201620991100.XU CN201620991100U CN205986471U CN 205986471 U CN205986471 U CN 205986471U CN 201620991100 U CN201620991100 U CN 201620991100U CN 205986471 U CN205986471 U CN 205986471U
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Abstract
The utility model provides a novel electronic jar of rolling friction multistage lead screw of combination, it converts the rotary motion of motor to linear motion through the lead screw, and simple structure is compact, the stroke is long, bear big axial thrust and pulling force, the velocity of movement is fast, non -maintaining, the location is accurate, be difficult for wearing and tearing, can realize accurate, effective, the reliable transmission moment of torsion of high -speed operation. This electronic jar includes that the screw nut of motor, deceleration drive device, guide cylinder, multistage pile of cover is vice to and connect the push rod on every grade of nut, and the motor is connected with one -level lead screw drive through the deceleration drive device, connects through a set of polygon rolling friction duplicate invoice between the vice lead screw of adjacent two -stage screw nut, and the vice solid dress of this polygon rolling friction and in disposing the polygonal inner hole of grade lead screw after in, forms multistage lead screw linkage structure form on the preceding stage lead screw.
Description
Technical field：
This utility model is related to a kind of electric cylinder, and multistage leading screw electric cylinder is combined in more particularly, to a kind of rolling friction, belongs to machine
Tool drive technology field.Can be widely applied to bridge, harbour, solar energy system, mechanical lifting platform, Digit Control Machine Tool, control are held
Row system, alignment system, plastics machinery, military project, high-mechanic linear motion system, measuring apparatus, mechanical automation production line, food
The fields such as product, weaving, medicine, packaging, chemical industry.
Background technology：
At present, in the common electric cylinder of multistage leading screw series connection, between leading screw, transmitting torque type principal mode is：One-level leading screw
Using to one group of opposite side double bond or two groups of opposite side double bond transmitting torques and between two grades of leading screws, flat key makees sliding friction in keyway,
The mode of this kind of transmitting torque occurs that flat key lost efficacy in actual applications, and flat key easily card in long key translot sliding process
Dead phenomenon, transmission efficiency is low, and transmission is unreliable.
Due to adopting sealing device the electronic cylinder structure of such multistage leading screw, application flat key is sliding in leading screw in the hole long keyway more
Dynamic, easily galloping, inefficacy, stuck phenomenon in transmitting torque process, not easy care, has been greatly reduced leading screw transmission and has turned round
The efficiency of square, thus be necessary to improve.
Content of the invention：
This utility model improves the multistage leading screw electric cylinder version of present flat key transmitting torque in long keyway, carries
Go out a kind of new rolling friction and combined multistage leading screw electric cylinder, the rolling friction pair between the multistage leading screw of this electric cylinder has passed
Torque delivery is accurately reliable, and stable movement, is quick on the draw, fluent sliding phenomenon.
The purpose of this utility model is realized in：
Multistage leading screw electric cylinder is combined in a kind of friction of new-type rolling, including motor, speed reducing driving device, guide cylinder, multistage
Nestable screw pair, and it is connected to the push rod on every grade of nut, motor is through speed reducing driving device and one-level lead screw transmission
Connect, between the leading screw of adjacent two-stage screw pair, pass through one group of polygon rolling friction pair connection, this polygon rolls and rubs
Wipe pair to be packed on prime leading screw, and be configured in the polygon endoporus of rear class leading screw, form multistage lead screw linkage version.
Design further of the present utility model is：
Polygon rolling friction pair is matched installation by circular hole or polygon endoporus and prime leading screw.
When using two grades of screw pairs, polygon rolling friction pair is arranged on one-level leading screw and is joined with two grades of leading screws
Close, two grades of thick sticks are provided with the endoporus being adapted with this polygon rolling friction pair, one-level, two grades of leading screws pass through polygon rolling friction
Duplicate invoice moves.
When using three-level lead screw pair of nut, it is provided with two polygon rolling friction pairs, the first polygon rolling friction pair
It is arranged on one-level leading screw and coordinate with two grades of leading screws；Second polygon rolling friction pair is arranged on two grades of leading screws and and three-level
Leading screw coordinates, and realizes three-level lead screw and is linked by polygon rolling friction pair.
Polygon rolling friction pair is using polygon retainer and the roller being arranged on this polygon retainer or ball
Version；The central axis of wherein roller are arranged on polygon retainer in the centrage of leading screws at different levels.
Roller or ball is arranged on each face of polygon retainer；Or only arrange roller or rolling in septal surface top
Pearl.
In polygon rolling friction pair between adjacent roller, or between ball, leave gap.
Leading screws at different levels adopt trapezoidal screw, ball-screw or roller screw.Polygon rolling friction pair is polygon, can
It is the n such as shape, pentagon, hexagon side shape for four.In leading screw polygon, in the hole roller makees rolling friction, effectively increases leading screw
Transmission efficiency, and stable movement, are quick on the draw, fluent, sliding phenomenon.
Polygon rolling friction pair is mountable to except on afterbody line thick stick, front what need to transmit the silk of rotary motion
In thick stick.The output based version of electric cylinder can have various structures：Such as spherical plain bearing rod end output, flange output, U-shaped hinge output, interior
The output of the custom designs such as screw thread output.
When motor rotary motion, speed reducing driving device answers the rotary motion of speed ratio, drives the rotation of one-level leading screw, passes through
The polygon rolling friction pair installed on one-level leading screw transmits rotary movement on two grades of leading screws, and two leading screws rotate simultaneously,
Nut on two leading screws is also synchronous for linear motion, thus driving two push rods synchronously to make corresponding stretching motion.Leading screw spiral shell
Female and push rod realizes multistage lead screw linkage, and the convert rotational motion of motor is the linear motion of output par, c the most at last.
This utility model has such advantages as compared to existing technology：
1st, the polygon friction pair both transmitting torques in this utility model, but in polygon, in the hole rolls, effectively certainly
In fixed original structure, flat key slides the stuck, retardance easily causing, reliability is low, efficiency is low phenomenon in long keyway, significantly subtracts
The maintenance work of few equipment, improves reliability and the transmission efficiency of electronic thick stick.
2nd, this utility model rolling friction is combined in multistage leading screw electric cylinder, and polygon rolling friction pair is an entirety portion
Part, assembling is simple, convenient, can be used as modularized design.
3rd, in this utility model, leading screw polygon endoporus can be easy to process by mould drawing molding.
4th, the polygon friction pair both transmitting torques in this utility model, and roll in polygon endoporus, effectively certainly
In fixed original structure, flat key slides stuck, some retardation easily causing in long keyway.Transmission efficiency is high, and stable movement is without hindrance
Stagnant, sliding phenomenon.Integral electric cylinder repetitive positioning accuracy is high, long working life, can frequent start-stop.
5th, the electric cylinder drive disk assembly in this utility model is protected comprehensively, anti-corrosion protection is good, Maintenance free, extreme
The good environmental adaptability of ruuning situation, has fully demonstrated electric cylinder in the environment such as high temperature, severe cold, dust, humidity and vibration
Reliability, service life longer.Greatly reduce the maintenance work of equipment, improve the efficiency of electric cylinder.
6th, this utility model rolling friction is combined in multistage leading screw electric cylinder：Rolling friction pair transmitting torque, is rubbed with rolling
Wipe and replace sliding friction, rolling frictional resistance only has 1/40 to the 1/60 of sliding-frictional resistance, so the rolling in rolling friction pair
Post can make rolling friction by roller leading screw, and frictional resistance is little, and sensitivity is high, no trembles when starting operating, transmitting torque safety, can
Lean on, electric cylinder overall performance is stable, fault rate is low, reliability is high.
Brief description：
Fig. 1 is the contour structures schematic diagram of two grades of leading screw electric cylinders；
Fig. 2 is the internal structure schematic diagram of two grades of leading screw electric cylinders（The A-A direction view of Fig. 1）；
In Fig. 2：1- spherical plain bearing rod end；2- deceleration part；3- one-level leading screw；4- one-level nut；5- motor；6- bis-
Level leading screw；Bis- grades of nuts of 7-；8- second push rod；9- first push rod；10- guide cylinder；11- polygon rolling friction pair；12- locks
Nut；13- spherical plain bearing rod end
Fig. 3 A, 3B are polygon rolling friction pair structural representations.
In Fig. 3 A, 3B（Containing retainer, roller or ball）
Fig. 4 is the contour structures schematic diagram of three-level lead screw electric cylinder；
Fig. 5 is the internal structure schematic diagram of three-level lead screw electric cylinder（The A-A direction view of Fig. 4）；
In Fig. 5：1- spherical plain bearing rod end；2- speed reducing driving device；3- one-level leading screw；4- one-level nut；5- motor；6- bis-
Level leading screw；Bis- grades of nuts of 7-；8- three-level lead screw；9- three-level nut；10- first push rod；11- second push rod；12- the 3rd push rod；
13- guide cylinder；14- the first polygon rolling friction pair；15- first locking nut；16- the second polygon rolling friction pair；17-
Second locking nut；18- output flange.
Specific embodiment：
It is further described to of the present utility model below in conjunction with the accompanying drawings.
Embodiment one：
Shown in as shown in Figure 1, Figure 2, the friction of this new-type rolling is combined multistage leading screw electric cylinder and is adopted two grades of screw structures.Mainly
By spherical plain bearing rod end（1）, speed reducing driving device（2）, one-level leading screw（3）, one-level nut（4）, motor（5）, two grades of leading screws
（6）, two grades of nuts（7）, the first push rod（9）, the second push rod（8）, guide cylinder（10）, polygon rolling friction pair（11）（Containing guarantor
Hold frame, roller）, locking nut（12）, spherical plain bearing rod end（13）Composition.
Wherein motor（3）Directly and speed reducing driving device（2）It is connected, speed reducing driving device（2）Outfan directly with one
Level leading screw（3）Be connected, one-level nut（4）Be assemblied on one-level leading screw with the second push rod（9）It is linked to be an entirety, polygon rolls
Friction pair（11）It is installed on one-level leading screw（3）The other end is by locking nut（12）Make axial restraint.One-level leading screw（3）With two grades of silks
Thick stick（6）Series connection, one-level leading screw（3）Two grades of leading screws of insertion（6）In the hole in polygon, two grades of leading screws（6）With one-level nut（3）And the
One push rod（9）It is assembled integrally, make synchronous linear motion.Two grades of nuts（7）With the second push rod（8）It is assembled into one and make synchronizing direct
Line moves.Spherical plain bearing rod end（1）It is connected with speed reducing driving device, spherical plain bearing rod end（13）With the second push rod（8）It is connected.Many
Side shape rolling friction pair is matched by the hexagon of hexagonal inner hole and one-level leading screw end, and is positioned by locking nut,
In this kind of structure, polygon rolling friction pair is inside and outside polygonized structure.Can certainly be using in polygon rolling friction pair
Round, outer polygonal structure, now one-level leading screw end is circular configuration, and both logical keys or alignment pin are located by connecting.
Shown in Fig. 3 A, 3B：The tomograph of polygon rolling friction pair, polygon rolling friction pair is protected by polygon
Hold frame with the roller being arranged on this polygon retainer or ball composition, wherein the central axis of roller 51 in one-level, two
On the centrage of leading screw, be arranged on the polygon plane of retainer, the roller in each plane be parallel to each other and roller in
Heart line must be vertical with leading screw centrage.Gap is left between adjacent roller, to realize fluent rotation in each plane.Cause
Ball can freely rotate in interior retainer, can freely can be arranged in interior retainer with ball.Roller or the inside and outside circle of ball
Surface size is above the size of retainer, in order to avoid interfering when retainer and roller or ball rotation, being easy to roller or ball exists
Form rolling friction in rolling process.The quantity of the interior roller work(ball of polygon rolling friction pair, and the size of retainer
Can be set according to the concrete dimensions implementing screw pair and the moment of torsion bearing and push-pull effort.
Work process of the present utility model is as follows：
Motor（3）Speed reducing driving device is driven when rotating（2）Rotation, speed reducing driving device outfan drives one-level
Leading screw（3）Rotate, be now arranged on one-level leading screw（3）The polygon rolling friction pair of side（11）With one-level leading screw（1）
Rotate, by polygon friction pair（11）With two grades of leading screws（6）Interior polygon inner hole, drives two grades of leading screws simultaneously
（6）Rotation, one-level leading screw（3）, two grades of leading screws（6）With when rotating, on two leading screws, corresponding nut makees synchronous linear
Motion, now also stretches linear motion accordingly with two push rods of two nut coupled thereto.The rod end being connected with the second push rod is closed
Bearings（13）Simultaneously for linear motion.
Embodiment two：
Shown in Fig. 4, Fig. 5：This utility model is three-level lead screw electric cylinder, by spherical plain bearing rod end（1）, deceleration dress
Put（2）, one-level leading screw（3）, one-level nut（4）, motor（5）, two grades of leading screws（6）, two grades of nuts（7）, three-level lead screw（8）, three
Level nut（9）, the first push rod（10）, the second push rod（11）, the 3rd push rod（12）, guide cylinder（13）, first polygon roll rub
Wipe secondary（14）, locking nut（15）, the second polygon rolling friction pair（16）, locking nut（17）, output flange（18）Composition
's.
Motor（5）With speed reducing driving device（2）It is connected, rod end bearings（1）It is assemblied in speed reducing driving device（2）On, subtract
Fast driving means（2）Outfan connect one-level leading screw（3）, the first polygon rolling friction pair（14）It is installed on one-level leading screw
（3）The other end, with locking nut 1（15）Make axial restraint, the first polygon rolling friction pair（14）Outer ring be arranged on two
Leading screw（6）In the hole in polygon.Two grades of leading screws（6）With one-level nut（4）Make axially to connect, two grades of leading screws（6）The other end peace
Fill the second polygon rolling friction pair（16）, and use locking nut（17）Make axial restraint.Second polygon rolling friction pair
（16）Outer ring be arranged on three-level lead screw（8）In the hole in polygon.Three-level lead screw 3（8）With two grades of nuts（7）Make axial restraint connection
Connect.Three-level nut（9）With the first push rod（10）Connected, two grades of nuts（7）With the second push rod（11）Connected, one-level nut 1（4）With
3rd push rod（12）It is connected.Output flange（18）With the first push rod（10）It is connected.
First, second polygon rolling friction pair is inside and outside polygonized structure.Pass through hexagonal inner hole and one-level silk respectively
Thick stick end and two grades of leading screws are installed.First, second polygon rolling friction pair is hexagonal structure, certainly adopts other polygon
Shape also may be used.Polygon rolling friction pair adopts roller or the roll structure of embodiment one.
Work process of the present utility model is as follows：
Motor（5）Rotate, by speed reducing driving device（2）Transmit rotary movement to one-level leading screw（3）, by
One polygon rolling friction pair（14）Transmit rotary movement to two grades of leading screws（6）On, then by the second polygon rolling friction pair
（16）Transmit rotary movement to three-level lead screw（8）On, now three-level lead screw makees synchronous rotary motion.One-level leading screw simultaneously（3）
On the first polygon rolling friction pair（14）Two grades of leading screws（6）In polygon, in the hole moves axially, two grades of leading screws（6）On
Second polygon rolling friction pair（16）In three-level lead screw（8）In polygon, in the hole makees bearing movement, and the second polygon rolls and rubs
The roller wiped in pair makees rolling friction in interior in the hole.When three-level lead screw makees synchronous rotary motion, three-level nut（9）Drive first
Push rod（10）Make corresponding stretching motion, two grades of nuts（7）Drive the second push rod（11）Make corresponding stretching motion, one-level nut
（4）Carry the 3rd push rod（12）Make corresponding stretching motion, three push rod synchronization telescopes.The convert rotational motion of motor is the most at last
The flexible push-pull effort of the first push rod.
The electronic cylinder structure of this utility model is simple, compact, easy for installation, stable movement, can be widely applied to rotation fortune
The dynamic occasion being converted into linear motion long-range, stable drive, accurate, reliability, efficiency high.
Claims (6)
1. multistage leading screw electric cylinder is combined in a kind of new-type rolling friction, includes motor, speed reducing driving device, guide cylinder, multistage folds
The screw pair of set, and it is connected to the push rod on every grade of nut, motor is through speed reducing driving device with one-level lead screw transmission even
Connect, it is characterized in that：Pass through one group of polygon rolling friction pair connection, this polygon between the leading screw of adjacent two-stage screw pair
Rolling friction pair is packed on prime leading screw, and is configured in the polygon endoporus of rear class leading screw, forms multistage lead screw linkage knot
Configuration formula.
2. electric cylinder according to claim 1, is characterized in that：For two grades of screw pairs, polygon rolling friction pair peace
It is contained on one-level leading screw and coordinates with two grades of leading screws, two grades of thick sticks are provided with the endoporus being adapted with this polygon rolling friction pair, one
Level, two grades of leading screws are linked by polygon rolling friction pair.
3. electric cylinder according to claim 1, is characterized in that：For three-level lead screw pair of nut, it is provided with two polygons and rolls
Friction pair, the first polygon rolling friction pair is arranged on one-level leading screw and is coordinated with two grades of leading screws；Second polygon rolls and rubs
Wipe pair to be arranged on two grades of leading screws and coordinate with three-level lead screw, realize three-level lead screw and linked by polygon rolling friction pair.
4. the electric cylinder according to claim 1,2 or 3, is characterized in that：Polygon rolling friction pair passes through circular hole or polygon
Shape endoporus and prime leading screw match installation.
5. electric cylinder according to claim 4, is characterized in that：Polygon rolling friction pair adopts polygon retainer and peace
It is contained in the version of roller on this polygon retainer or ball；The central axis of wherein roller are in leading screws at different levels
Heart line is arranged on polygon retainer.
6. electric cylinder according to claim 5, is characterized in that：Roller or rolling is arranged on each face of polygon retainer
Pearl；Or only arrange roller or ball in septal surface top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991100.XU CN205986471U (en) | 2016-08-30 | 2016-08-30 | Novel electronic jar of rolling friction multistage lead screw of combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991100.XU CN205986471U (en) | 2016-08-30 | 2016-08-30 | Novel electronic jar of rolling friction multistage lead screw of combination |
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| Publication Number | Publication Date |
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| CN205986471U true CN205986471U (en) | 2017-02-22 |
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| CN201620991100.XU Active CN205986471U (en) | 2016-08-30 | 2016-08-30 | Novel electronic jar of rolling friction multistage lead screw of combination |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035835A (en) * | 2017-04-28 | 2017-08-11 | 沈阳兴华航空电器有限责任公司 | It is a kind of to become the tripod assembly pulley rolling screw pair for rotating to be linear motion |
| CN108105355A (en) * | 2017-12-20 | 2018-06-01 | 长安大学 | It is a kind of being capable of the ball-screw actuator that stretches of two level |
| CN108390502A (en) * | 2018-03-13 | 2018-08-10 | 深圳市湘聚实业有限公司 | Big stroke precision second-stage electric cylinder |
| CN109538722A (en) * | 2019-01-25 | 2019-03-29 | 南京工艺装备制造有限公司 | A kind of multistage planet roller screw pair gapless linear motion actuators |
| CN109861447A (en) * | 2019-01-08 | 2019-06-07 | 厦门微控科技有限公司 | High thrust, antifatigue electric cylinder |
| CN110054107A (en) * | 2019-03-22 | 2019-07-26 | 贵州力登科技发展有限公司 | A kind of medium-and-large-sized mechanical lift cylinder of Multi-stage transmission |
| CN110549367A (en) * | 2018-06-04 | 2019-12-10 | 沈阳新松机器人自动化股份有限公司 | Multi-stage electric cylinder for robot |
| CN113700820A (en) * | 2021-08-25 | 2021-11-26 | 西安索睿科技有限公司 | Electronic jar of flip-chip type based on roll key |
| CN114346735A (en) * | 2022-01-17 | 2022-04-15 | 清华大学 | Linear feeding device |
| CN115514137A (en) * | 2022-09-20 | 2022-12-23 | 西安华欧精密机械有限责任公司 | High-speed low-noise electric cylinder capable of being accurately positioned |
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2016
- 2016-08-30 CN CN201620991100.XU patent/CN205986471U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035835A (en) * | 2017-04-28 | 2017-08-11 | 沈阳兴华航空电器有限责任公司 | It is a kind of to become the tripod assembly pulley rolling screw pair for rotating to be linear motion |
| CN108105355A (en) * | 2017-12-20 | 2018-06-01 | 长安大学 | It is a kind of being capable of the ball-screw actuator that stretches of two level |
| CN108390502A (en) * | 2018-03-13 | 2018-08-10 | 深圳市湘聚实业有限公司 | Big stroke precision second-stage electric cylinder |
| CN110549367A (en) * | 2018-06-04 | 2019-12-10 | 沈阳新松机器人自动化股份有限公司 | Multi-stage electric cylinder for robot |
| CN109861447A (en) * | 2019-01-08 | 2019-06-07 | 厦门微控科技有限公司 | High thrust, antifatigue electric cylinder |
| CN109861447B (en) * | 2019-01-08 | 2023-10-27 | 厦门微控科技有限公司 | High thrust and anti-fatigue electric cylinder |
| CN109538722A (en) * | 2019-01-25 | 2019-03-29 | 南京工艺装备制造有限公司 | A kind of multistage planet roller screw pair gapless linear motion actuators |
| CN110054107A (en) * | 2019-03-22 | 2019-07-26 | 贵州力登科技发展有限公司 | A kind of medium-and-large-sized mechanical lift cylinder of Multi-stage transmission |
| CN113700820A (en) * | 2021-08-25 | 2021-11-26 | 西安索睿科技有限公司 | Electronic jar of flip-chip type based on roll key |
| CN114346735A (en) * | 2022-01-17 | 2022-04-15 | 清华大学 | Linear feeding device |
| CN115514137A (en) * | 2022-09-20 | 2022-12-23 | 西安华欧精密机械有限责任公司 | High-speed low-noise electric cylinder capable of being accurately positioned |
| CN115514137B (en) * | 2022-09-20 | 2024-04-23 | 西安华欧精密机械有限责任公司 | High-speed low-noise electric cylinder with accurate positioning function |
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