CN108173407A - A kind of intelligent automatic displacement system - Google Patents
A kind of intelligent automatic displacement system Download PDFInfo
- Publication number
- CN108173407A CN108173407A CN201711449121.4A CN201711449121A CN108173407A CN 108173407 A CN108173407 A CN 108173407A CN 201711449121 A CN201711449121 A CN 201711449121A CN 108173407 A CN108173407 A CN 108173407A
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- Prior art keywords
- screw
- sliding block
- guide rail
- groove
- drive mechanism
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/24—Structural association with auxiliary mechanical devices
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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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
-
- 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
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The present invention discloses a kind of intelligent automatic displacement system, including rotary drive mechanism；The first guide rail is provided in driving cylinder, first screw with rotary drive mechanism driving axis connection is provided in the first guide rail along its length, the first sliding block is arranged on the first screw；The second guide rail is provided in piston cylinder, is slided in the second guide rail and is provided with one second sliding block；First guide rail and the second guide rail are interconnected at tip position, hydraulic oil is filled between first guide rail and end in the second guide rail and sliding block, accommodating cavity is set in the first screw, the second screw is arranged inside, a third sliding block is arranged on second screw, longitudinal cross-section product of the longitudinal cross-section product of second sliding block more than third sliding block and the longitudinal cross-section product less than the first sliding block, the second screw selectivity link with the first screw, and the second screw selectivity and rotary drive mechanism link.The technical issues of moving step pitch accuracy that the present invention solves displacement system can not meet high-end precision equipment job requirement.
Description
Technical field
The present invention relates to automatic control technology fields, and in particular to a kind of intelligent automatic displacement system.
Background technology
Straight line slide unit be it is a kind of can provide linear motion mechanical structure, can either in a horizontal or vertical use, can also combine
Used into specific motion --- it is commonly referred to as XY axis, XYZ Zhou Deng poly-axial motions mechanism to automate in industry.This
Mechanism, which is sub-divided into different industries, different titles, and relatively common title has：Straight line slide unit, Linear slide platform, electric cylinder,
Electronic slide unit, mechanical arm, manipulator etc..Straight line slide unit is generally mated power motor use, and other need are installed on its sliding block
Workpiece is asked to form the program of complete conveying sports equipment and a set of suitable positive and negative rotation of motor of setting, you can realization allows workpiece certainly
The work of dynamic iterative motion.So as to achieve the purpose that equipment is produced in enormous quantities and intensive production.
Straight line slide unit is developed so far, and has been widely applied in various equipment.Device fabrication for China
Development contribute to indispensable contribution, reduce the dependence of external complete set of equipments import, for be keen to equipment research and development and manufacture
Engineer brings more chances.Straight line slide unit currently generally applied to measurement, laser welding, laser cutting, glue spreader,
Flush coater, puncher, dispenser, miniature numerical control lathe, carving and milling machine, sample draught machine, cutting, transfer machine, classifier, testing machine
And it is applicable in the places such as education.
Existing straight line slide unit is usually to be directly driven by a motor, and there is motor minimum step angle and inertia to rotate, and cause
Slide unit is advanced every time all can be there are one Minimum sliding distance, especially in working equipments such as high-precision scanning platforms so that
The position of slide unit and target location always generate certain deviation, often can not accurately be in target location, cause to be mounted on slide unit
The effect of upper working equipment can not improve.
Therefore, it is badly in need of a kind of intelligent automatic displacement system, reduces the minimum step of slide unit operation so that slide unit can be accurate
In target location, to improve the performance for being mounted on working equipment on slide unit.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
The object of the present invention is to provide a kind of intelligent automatic displacement systems, pass through the third sliding block for fine tuning of setting
With for the first sliding block of homophony come coordinate adjustment slide unit moving process, slide unit is driven to move by oil hydraulic system, control
Slide unit is rapidly achieved target location, and the movement for improving slide unit is accurate, and accelerates adjustment time, and the present invention solves displacement system
The technical issues of moving step pitch accuracy of system can not meet high-end precision equipment job requirement.
In order to realize these purposes according to the present invention and other advantages, a kind of intelligent automatic displacement system is provided,
Including：
The controller connection of rotary drive mechanism, control terminal and displacement system, the output terminal of the rotary drive mechanism
It is provided with a connecting seat；
Driving cylinder is horizontally installed on the outside of the connecting seat, is provided with the first guide rail in the driving cylinder, and described first
Guide rail is enclosed construction, is provided with first connect with the rotary drive mechanism in the first guide rail along its length
Bar is arranged with the first sliding block on first screw；And
Piston cylinder overlaps and the second guide rail is provided in the upper end of the driving cylinder, the piston cylinder, and described
It slides in two guide rails and is provided with one second sliding block, the one cover board capping with a fluting of the second guide rail upper end, described the
Two upper end of slide block extend upward a guide rod from the fluting, and the guide rod upper end is provided with a slide unit, and the slide unit is slided
It is dynamic to be arranged on the cover board, it is provided with a rolling device in the guide rod, the movable end of the rolling device is connected to described
The end of fluting；
Wherein, first guide rail and the second guide rail are interconnected at tip position, and first guide rail and second is led
Hydraulic oil is filled between end and sliding block in rail, a straight-line displacement ball bar is provided with along its length in second guide rail
Ruler, second sliding block are set on the straight-line displacement ball bar ruler, and are provided with a reading head in second sliding block, described
Reading head envelope connects the controller in the straight-line displacement ball bar ruler periphery, the output terminal of the reading head；
Accommodating cavity is offered in first screw, first screw protrudes from one spacing of the first guide rail head end
From the head end lateral wall of first screw, which protrudes above, is provided with the first groove, on the outside of the drive shaft of the rotary drive mechanism
Wall, which protrudes above, is provided with the second groove, is at least connected with the accommodating cavity through opening up one on the first screw head end whole body
Trepanning, one second screw of rotation setting, second screw protrude from the first screw head end one in the accommodating cavity
Set a distance, the protruding end periphery of second screw are provided with spline structure, are slided on the spline structure and be provided with one first
Link axle sleeve and the second linkage axle sleeve, and the first linkage axle sleeve and second links shaft room at a certain distance, the connecting seat
On be provided with described first linkage axle sleeve be drivingly connected the first telescoping drive mechanism and with described second linkage axle sleeve drive
Second telescoping drive mechanism of dynamic connection, first telescoping drive mechanism and the second telescoping drive mechanism respectively with the control
Device connects；
Each linkage axle sleeve inner surface is provided with the internal spline being slidably matched with the spline structure, and described first
The tail end side wall of moving axis set is provided with the third groove coordinated with first groove, the head end side wall of the second linkage axle sleeve
The 4th groove coordinated with second groove is provided with, second screw passes through the spline structure and the first linkage axle sleeve
Selective to link with first screw, the head end of second screw is selected by the spline structure and the second linkage axle sleeve
Property selectively connect with the drive shaft of the rotary drive mechanism, be arranged with a third sliding block on second screw, described the
Longitudinal cross-section product of the longitudinal cross-section product of two sliding blocks more than third sliding block and the longitudinal cross-section product less than the first sliding block.
Preferably, the rotary drive mechanism is stepper motor, and the drive shaft of the rotary drive mechanism is located at the company
In joint chair, the second screw head end is through one spacing of drive shaft interval of first guide rail and the rotary drive mechanism
From.
Preferably, the longitudinal cross-section of first sliding block is consistent with the longitudinal cross-section in the first guide rail interior space, institute
It states and the first guiding groove is provided on two madial wall of the first guide rail, the first guiding is correspondingly arranged on first slider side wall
Block, first guide pad are slidably arranged in described first and are oriented in groove, and the end periphery of first sliding block is provided with
First sealing ring, along its length through one first threaded hole is offered, first sliding block passes through first center
First screw thread borehole jack is located on first screw, and the first screw thread is provided between first threaded hole and the first screw
Sealing shroud；
The longitudinal cross-section of second sliding block is consistent with the longitudinal cross-section in the second guide rail interior space, and described second leads
The second guiding groove is provided on two madial wall of rail, is correspondingly arranged on the second guide pad on second slider side wall, described
Two guide pads are slidably arranged in described second and are oriented in groove, and the end periphery of second sliding block is provided with the second sealing
Circle；
The longitudinal cross-section of the third sliding block is consistent with the longitudinal cross-section of the accommodating cavity, and the accommodating cavity is cylindricality
Cavity, the third sliding block are slidably arranged in the accommodating cavity, and the end periphery of second sliding block is provided with third
Sealing ring, along its length through one second threaded hole is offered, the third sliding block passes through described the third center
Second screw thread borehole jack is located on second screw, and the second thread seal is provided between second threaded hole and the second screw
Set.
Preferably, second center extends through along its length offers pass through aperture, the reading head
Coil is arranged on the through hole periphery, and second sliding block is set in the straight-line displacement ball bar ruler by the through hole
On, through hole end periphery is provided with the 4th sealing ring.
Preferably, the piston cylinder is enclosed in the upper end of first guide rail, and the second guide rail head bottom part offers
The through-hole connected with first guide rail interior.
Preferably, guide groove is provided on the cover board, the slide unit is slidably arranged in the guiding by the guide rod
On slot, along its length through the cover plate central is opened in, be provided with third on two madial walls of the fluting leads the fluting
To groove, third guide pad is correspondingly arranged on the guide rod two side, and the third is oriented in groove and is provided with fluid sealant
Pad, the third guide pad are slidably arranged in the seal gasket.
Preferably, the rolling device is accommodated between third guide pad described in both sides, is provided in the rolling device
One elastic scrolling mechanism is arranged with several circle roll bendings on the elasticity scrolling mechanism, an alignment is provided on the rolling device
Opening, the alignment opening are located at the third guide pad sustained height, and the roll bending width is oriented between third described in both sides
Between the width of the spacing of block and the guide rod, the roll bending free end is connected by the alignment opening and the fluting end
It connects, the roll bending both sides are slidably arranged in the seal gasket.
Preferably, first sliding block is provided at both ends with the first touching switch, and second sliding block is provided at both ends with second
Touching switch, the slide unit is provided at both ends with third touching switch, and the second guide rail end protrusion is provided with an origin and opens
It closes, the second guide rail tail end protrusion is provided with a limit switches, and each switch is connect with the controller.
Preferably, the first screw both ends are rotatably arranged on the first guide rail both ends, the first screw first end-side
Clutch shaft bearing is provided on wall, second bearing, the second screw rotation setting are provided on the first screw tail end side wall
Between clutch shaft bearing and second bearing, sealed set between second screw and clutch shaft bearing, first groove corresponds to
It is arranged on the first screw head end lateral wall of the clutch shaft bearing periphery；
The second screw head end protrudes from the clutch shaft bearing certain distance, and the second screw head end protrudes from institute
State the first guide rail and extend to it is spaced apart with the drive shaft of the rotary drive mechanism in the connecting seat, described second
Groove is aligned with the 4th groove, and the distance of stretch out and draw back of second telescoping drive mechanism is not less than second screw and the driving
Spacing between axis, first groove are located at the periphery of the second screw protruding end, and the spline structure and described the
Certain gap is reserved between one groove.
Preferably, when the first telescoping drive mechanism driving first linkage axle sleeve caudad move when, the third groove with
First groove engagement links second screw with the first screw, drive first link axle sleeve to head end move when, then
The third groove is detached with first groove；When the second linkage axle sleeve of the second telescoping drive mechanism driving moves directly to head end
When being engaged to the 4th groove with second groove, second screw and the drive shaft are linked, driving second
When moving axis set caudad moves, then the 4th groove is detached with second groove.
Compared with prior art, the advantageous effect that the present invention includes is：
1st, the present invention is made under the premise of a rotary drive mechanism is only used by homophony sliding block and fine tuning sliding block cooperation
With, improve the mobile accuracy of slide unit, and it is simple to operate, stability is good；
2nd, the present invention have the characteristics that precision is high, simple to operate, stability is good, safe, for industrial production with
Research provides necessary platform base；
3rd, slide unit moving process of the invention more accurately and quickly, and eliminates the shake of slide unit；
4th, screw rod transmission system and Hydraulic Power Transmission System are used in combination the present invention, and it is respective excellent to have given full play to the two
Gesture further improves the mobile accuracy of slide unit, while the movement of slide unit is more steady.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is the structure diagram of the driving cylinder of the present invention；
Fig. 3 is driving cylinder internal structure schematic diagram；
Fig. 4 is piston cylinder internal structure schematic diagram；
Fig. 5 is piston cylinder top structure schematic diagram；
Fig. 6 is the assembling structure schematic diagram of sliding block；
Fig. 7 is the structure diagram of the first screw；
Fig. 8 is structure diagram when the second screw is engaged with the first screw；
Fig. 9 is structure diagram when the second screw is detached with the first screw；
Figure 10 is the structure diagram of guide rod；
Figure 11 is the structure diagram of rolling device；
Figure 12 is the structure diagram of the first sliding block；
Figure 13 is the enlarged structure schematic diagram of part A in Fig. 8；
Figure 14 is the enlarged structure schematic diagram of part B in Fig. 9.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to enable those skilled in the art with reference to comment
It can implement according to this.
As represented in figures 1 through 14, the present invention provides a kind of intelligent automatic displacement system, including rotary drive mechanism, driving
Cylinder, piston cylinder and slide unit are provided with the first sliding block for homophony and the third sliding block for fine tuning, scanning device in driving cylinder
It is arranged on the slide unit with slide unit synchronizing moving Deng other high-end fine-limit work equipment, completes corresponding to perform action.
The present embodiment is the present invention to be illustrated in scanning device.
Entire displacement system is arranged in a mounting base 100, wherein, rotary drive mechanism 310 drives driving cylinder 320 dynamic
Make, driving cylinder 320 drives piston cylinder 420 and the synchronous slide unit 700 being mounted on piston cylinder 420 to move, and final mean annual increment movement system is complete
It works into displacement, other working equipments such as scanning device being fitted on slide unit 700 complete scanning work.
The rotary drive mechanism 310 uses stepper motor, in order to accurately be adjusted to each Scanning step.Rotation
Turn the control terminal of driving mechanism 310 and the controller of displacement system connects, controller controls the operating of rotary drive mechanism 310.
The output terminal of the rotary drive mechanism 310 is provided with a connecting seat 311, the drive of the rotary drive mechanism 310
Moving axis is located in the connecting seat 311.
A driving cylinder 320 is horizontally arranged in mounting base 100 on the outside of connecting seat, is laterally positioned in the connecting seat
On the outside of 311 second ends, 311 head end of connecting seat is arranged in 310 second end of rotary drive mechanism, is set in the driving cylinder 320
There is the first guide rail 312, first guide rail 312 is enclosed construction, and the first guide rail 312 is internally provided with accommodating space, the
First selectively connect with the drive shaft of the rotary drive mechanism 310 is provided in one guide rail 312 along its length
Bar 340,310 selectivity the first screw 340 of driving of rotary drive mechanism rotate, and the first screw 340 is located inside the first guide rail 312
The center in space.
The first sliding block 330 is arranged on first screw 340, the first sliding block 330 is slidably arranged in first guide rail
In 312, when rotary drive mechanism 310 drives the rotation of the first screw 340, you can the first sliding block 330 of control is in the first guide rail 312
Inside move back and forth.
Piston cylinder 420 is overlapped in the upper end of the driving cylinder 320, meanwhile, it is described to close the first guide rail 312
The second guide rail 412 is provided in piston cylinder 420, and the second guide rail 412 is internally provided with accommodating space, second guide rail 412
Interior slip is provided with one second sliding block 430, and 412 upper end of the second guide rail is covered with a cover board 500 with a fluting 510,
Second sliding block, 430 upper end extends upward a guide rod 520 from the fluting 510, and 520 upper end of guide rod is provided with one
Slide unit 700, and the slide unit 700 is slidably arranged on the cover board 500, so that slide unit 700 is synchronized with the second sliding block 430
Mobile, the working equipments such as scanning are arranged on slide unit 700, and scanning device etc. pair can be completed in the position that slide unit 700 is altered in steps
The scanning work of target object.
First screw 340 is hollow-core construction, and accommodating cavity is offered in first screw 340, houses cavity
It for cylindrical chamber structure, is opened up along the length direction of the first screw, first screw protrudes from the first guide rail head end
Certain distance protrudes above in the head end lateral wall of first screw and is provided with the first groove 341, the rotary drive mechanism
Drive shaft lateral wall, which protrudes above, is provided with the second groove.
At least make on first screw, the 340 head end whole body through a trepanning 343 connected with the accommodating cavity is opened up
The inner space for obtaining the first guide rail is connected with the accommodating cavity, one second screw 210 of rotation setting in the accommodating cavity, the
Two screws 210 are located at accommodating cavity center, and the second screw 210 is rotatably arranged on accommodating cavity both ends, the second screw protrusion
In the 340 head end certain distance of the first screw, and the protruding end of the second screw is located in connecting seat, second screw it is convex
Outlet periphery is provided with spline structure 211, is slided on the spline structure 211 and is provided with one first linkage axle sleeve 213 and second
Link axle sleeve 212, and the first linkage axle sleeve 213 and the second linkage axle sleeve 212 are spaced apart, and operation independently of each other.
The first telescoping drive mechanism being drivingly connected with the described first linkage axle sleeve 213 is provided on the connecting seat, the
One telescoping drive mechanism driving the first linkage axle sleeve 213 acts, while is provided with and the described second linkage on the connecting seat
The second telescoping drive mechanism that axle sleeve 212 is drivingly connected, first telescoping drive mechanism and the second telescoping drive mechanism difference
It is connect with the controller, the second telescoping drive mechanism driving the second linkage axle sleeve 212 acts.
Each linkage axle sleeve inner surface is provided with the internal spline being slidably matched with the spline structure 211, and described the
The tail end side wall of one linkage axle sleeve 213 is provided with the third groove coordinated with first groove 341, the second linkage axle sleeve
212 head end side wall is provided with the 4th groove coordinated with second groove, and second screw passes through the spline structure
211 and first linkage axle sleeve 213 selectivity link with first screw, the head end of second screw passes through the spline knot
Structure 211 and second links, and axle sleeve 212 is selective selectively to be connect with the drive shaft of the rotary drive mechanism.
Specifically, 210 head end of the second screw protrudes from the first guide rail certain distance, and second screw is first
End protrude from first guide rail and extend in the connecting seat with one spacing of drive shaft interval of the rotary drive mechanism
From second groove is aligned with the 4th groove, and the distance of stretch out and draw back of second telescoping drive mechanism is not less than described second
Spacing between bar and the drive shaft, convenient for the second linkage axle sleeve is linked with drive shaft, first groove 341 is located at institute
The periphery of the second screw protruding end is stated, and certain sky is reserved between the spline structure 211 and first groove 341
Gap ensures the first screw and the second screw each in state is freely rotated.
Each linkage axle sleeve inner surface is provided with the internal spline being slidably matched with the spline structure so that universal driving shaft
Set links with the second screw, when the first telescoping drive mechanism driving the first linkage axle sleeve 213 caudad moves, the third tooth
Line is engaged with first groove 341, and second screw and the first screw are linked；The first linkage axle sleeve 213 is driven to head
When end is mobile, then the third groove is detached with first groove 341, that is, the first screw and the second screw are detached from linkage
State.
When the second telescoping drive mechanism driving second linkage axle sleeve 212 to head end movement until the 4th groove with it is described
When second groove engages, second screw and the drive shaft are linked；Driving the second linkage axle sleeve 212 caudad moves
When, then the 4th groove is detached with second groove, and drive shaft is in discrete state with the second screw.
When second screw and the first screw link, and the second screw links with drive shaft, rotary drive mechanism 310
The second screw 210 and the first screw 340 is driven to rotate synchronously；It links, and second when second screw and the first screw are detached from
When screw links with drive shaft, rotary drive mechanism 310 is operated alone the second screw 210 and rotates synchronously；When the second screw is with driving
When moving axis detaches, the first screw and the second screw are detached from driving source, and the influence of mechanism inertia rotation not driven for rotation is realized fast
Speed stops, and improves rotation precision.
A third sliding block 347 is arranged on second screw, the second screw drives third sliding block 347 to be fitted in accommodating sky
Intracavitary moves, and the longitudinal cross-section product of second sliding block is long-pending more than the longitudinal cross-section of third sliding block and is less than the longitudinal direction of the first sliding block
Sectional area.
Specifically, 340 both ends of the first screw are rotatably arranged on the first guide rail both ends, and can be freely rotated,
The first sliding block is driven to move back and forth in the first guide rail, clutch shaft bearing 344 is provided on the first screw head end side wall, it is described
Second bearing 342 is provided on first screw tail end side wall, second screw is rotatably arranged on clutch shaft bearing and second bearing
Between, sealed set between second screw and clutch shaft bearing avoids accommodating cavity from being in communication with the outside, first groove
341 are correspondingly arranged on the first screw head end lateral wall of the clutch shaft bearing periphery, and the first telescoping drive mechanism pushes
First linkage axle sleeve caudad moves, and the first universal driving shaft is covered the first tooth on upper third groove and the first screw head end lateral wall
Line engages, and the first screw and the second screw link.
Second screw, 210 head end protrudes from 341 certain distance of clutch shaft bearing, and second screw 210 is first
End protrudes from first guide rail and extends in the connecting seat and selectively connect with the drive shaft of the rotary drive mechanism,
Second screw is in drive shaft on same straight line, when the telescopic end of the second telescoping drive mechanism forward extends out, the first teeth
It is selectively engaged with the second teeth, the second telescoping drive mechanism pushes the second linkage axle sleeve forward end movement, by the second universal driving shaft
Upper 4th groove of set is protruded above with drive shaft lateral wall to be provided with the second groove and engages, drive shaft and the linkage of the second screw, the
Two screws drive to rotate synchronously by rotary drive mechanism 310.At this point, when the first screw is detached with the second screw, second
Screw individually rotates, and changes position of the third sliding block in accommodating cavity；When the first screw and the second screw link, first
Bar and the second screw rotate synchronously, and change position of first sliding block in the first guide rail.
Specifically, the piston cylinder 420 is enclosed in the upper end of first guide rail 312, the 412 end bottom of the second guide rail
Portion offers the through-hole 413 connected with 312 inside of the first guide rail, so that first guide rail, 312 and second guide rail
412 are interconnected at tip position, while between end in 312 and second guide rail 412 of the first guide rail and sliding block
Filled with hydraulic oil, the oil mass volume between the first guide rail 312 and end in the second guide rail 412 and sliding block is fixed as a result,
, meanwhile, it houses in cavity and is penetrated through with the first guide rail, therefore also filled in the accommodating cavity before third sliding block by hydraulic oil,
And total oil mass in entire displacement system is certain.
Position of first sliding block in the first guide rail is changed by rotary drive mechanism 310, you can change the second sliding block 430
Hydraulic pressure oil capacity in the second guide rail of place；Third sliding block 347 is changed in corresponding accommodating cavity by rotary drive mechanism 310
Position, you can the hydraulic pressure oil capacity in the second guide rail where changing the second sliding block 430, so as to change the second sliding block 430 the
Position in two guide rails changes the position of slide unit, when slide unit reaches designated position, the second screw is detached with drive shaft, is kept away
Exempt under the inertia rotation of rotary drive mechanism, sliding block continues to move to that slide unit is caused to deviate designated position, so as to improve slide unit
Mobile accuracy.
In above-mentioned technical proposal, the longitudinal cross-section of first sliding block 330 is vertical with 312 inner space of the first guide rail
It is consistent to section so that the first sliding block 330 just move by movable be bonded in the inner space for being arranged on the first guide rail 312, described
The first guiding groove 321 is provided on first 312 liang of guide rail madial wall, is correspondingly arranged on 330 side wall of the first sliding block
One guide pad 335, first guide pad 335 are slidably arranged in described first and are oriented in groove 321, are the first sliding block 330
It slides and guiding is provided, while ensure that the first sliding block 330 strictly moves linearly along the direction of the first guide rail, reduce vertical misalignment
Amount, the final longitudinal judder for reducing the first sliding block, meanwhile, and to be provided with first close the end periphery of first sliding block 330
Seal 331, the first sliding block 330 are contacted by the first sealing ring 331 with the surrounding side walls of 312 inner space of the first guide rail,
Ensure the leakproofness at 312 interior space position of the first sliding block 330 and the first guide rail, avoid the first sliding block 330 and
Between one guide rail, 312 inner space end hydraulic oil leak into the first sliding block 330 and 312 inner space tail end of the first guide rail it
Between.
Similarly, the longitudinal cross-section one of the longitudinal cross-section of second sliding block 430 and 412 inner space of the second guide rail
It causes, the second guiding groove 421 is provided on described second guide rail, 412 liang of madial walls, correspondence is set on 430 side wall of the second sliding block
The second guide pad is equipped with, second guide pad is slidably arranged in described second and is oriented in groove 321, and second sliding block
330 end periphery is provided with the second sealing ring.
The longitudinal cross-section of the third sliding block 347 is consistent with the longitudinal cross-section of the accommodating cavity, and the accommodating cavity is
Cylindrical cavity, the third sliding block 347 are slidably arranged in the accommodating cavity, and the end periphery of second sliding block 430
It is provided with third sealing ring.
The fine-limit works equipment such as the antenna being mounted on slide unit in the present invention are indirectly attached to ball wire by hydraulic system
On rod guide slide unit, adjust the position of working equipment by hydraulic system, hydraulic system by change the volume of hydraulic oil come
Change Scanning step, minimum step smaller, and adjust accurate higher, eliminate antenna etc. between working equipments and target location
Deviation, wherein, third sliding block plays the role of distance fine regulation, and the first sliding block is played apart from homophony so that is arranged on slide unit
Working equipment can be as accurate as up to target location, while adjustment time is faster.Hydraulic system absorbs rotary drive mechanism and starts
With shake when shutting down, so as to the moving process more controllable precise of the working equipments such as antenna, and by hydraulic system, eliminate
The shake of slide unit longitudinal direction finally improves the scanning imagery quality of the fine-limit works equipment such as antenna.
First sliding block, 330 center is run through along its length offers one first threaded hole 334, first sliding block
330 are located at by first screw thread borehole jack on first screw 340, between first threaded hole and the first screw 340
It is provided with the first thread seal set 333；The first thread seal set is provided between first threaded hole and the first screw, is played
Sealing function between first threaded hole and the first screw, avoids hydraulic oil from extending into the first threaded hole.
Along its length through one second threaded hole is offered, the third sliding block 347 is logical at 347 center of third sliding block
It crosses second screw thread borehole jack to be located on second screw 220, be provided between second threaded hole and the second screw 220
Second thread seal set, the second thread seal set play the sealing function between the second threaded hole and the second screw, avoid liquid
Pressure oil is extend into the second threaded hole.
In above-mentioned technical proposal, a straight-line displacement ball bar ruler 440 is provided in second guide rail 412 along its length,
Second sliding block 430 is set on the straight-line displacement ball bar ruler 440, and is provided with a reading in second sliding block 430
Head, the reading head envelope connect mobile device in 440 periphery of straight-line displacement ball bar ruler, the output terminal of the reading head
Controller, straight-line displacement ball bar ruler 440 are hollow structure, and it is filled with the magnetic steel ball of high-precision, straight-line displacement ball bar rulers 440
Movement for the second sliding block 430 provides guiding role, meanwhile, for measuring the displacement distance of straight-line displacement ball bar ruler 440 and institute
Rheme is put, when reading head is moved with the second sliding block 430, you can shifting of the reading third sliding block on straight-line displacement ball bar ruler 440
Dynamic distance and present position are to get the displacement distance and present position for knowing slide unit.The present invention is using straight-line displacement ball bar come to sweeping
The displacement distance for retouching the working equipments such as equipment measures, and improves measurement accuracy, while simplifies the structure of displacement system, and
Improve the reliability of measurement.
In above-mentioned technical proposal, 430 center of the second sliding block extends through along its length offers pass through aperture, institute
The coil for stating reading head is arranged on the through hole periphery, and second sliding block is set in the straight line position by the through hole
It moves on ball bar ruler, through hole end periphery is provided with the 4th sealing ring, plays through hole and straight-line displacement ball bar ruler 440
Between sealing function, hydraulic oil is avoided to extend into through hole.
Guide groove 540 is provided on the cover board 500, the direction of guide groove 540 is consistent with the length direction of the second guide rail,
The slide unit 700 is slidably arranged in by the guide rod 520 on the guide groove 540, and the slip for slide unit 700 provides guiding,
Ensure that slide unit 700 strictly moves linearly along the length direction of the second guide rail simultaneously, reduce vertical misalignment amount, finally reduce slide unit
700 longitudinal judder, the fluting 510 runs through 500 center of cover board that is opened in along its length, described to slot in 510 liang
Third is provided on side wall and is oriented to groove, is correspondingly arranged on third guide pad 521 on 520 two side of guide rod, and described the
Seal gasket is provided in three guiding grooves, seal gasket is laterally protruding to be oriented to groove certain distance in third, and the third is led
Be slidably arranged in the seal gasket to block 521, ensure guide rod 520 with slot 510 contact positions at leakproofness, avoid by
Hydraulic oil is leaked out from fluting between second sliding block and the second guide rail interior space end.
A rolling device 530 is provided in the guide rod 520, the movable end of the rolling device 530 is connected to described open
The end of slot 510.Specifically, the rolling device 530 is accommodated between third guide pad 521 described in both sides, the scrolling dress
It puts and an elastic scrolling mechanism 533 is provided in 530, several circle roll bendings 531 are arranged on the elasticity scrolling mechanism 533, it is described
Roll bending 531 is around being located at elastic 533 periphery of rolling device, under the elastic acting force of elastic rolling device 533, roll bending 531
State is remained retracted, alignment opening 532 is provided on the rolling device 530, the alignment opening 532 is located at the third
521 sustained height of guide pad, meanwhile, 531 width of roll bending is led between the spacing of third guide pad 521 described in both sides with described
Between the width of bar 520, as shown in the figure, alignment opening 532 is arranged between third guide pad 521 described in both sides, described in both sides
Third guide pad 521 is arranged in the 4th guiding groove, due to the width of fluting 510 and the equivalent width of guide rod, roll bending 531
Width be more than fluting 510 width so that 531 both sides of roll bending be similarly disposed at the 4th guiding groove in, by fluting seal.
531 free end of roll bending is open by the alignment after 532 alignments, is connect with 510 ends of the fluting, is worked as volume
Dynamic device 530 with guide rod move when, roll bending 531 is drawn out, and 531 both sides of roll bending are slidably arranged in the seal gasket
In.Specifically, after roll bending 531 is drawn out, both sides are slidably arranged in the seal gasket, close with slotting by seal gasket
Envelope, when the second sliding block forced-slip, drive leader moves in fluting, and guide rod is led with fluting sealed set, guide rod with second
The roll bending sealing that fluting between rail end is drawn out in real time, so as to avoid the second sliding block and the second guide rail interior space end
Between hydraulic oil leaked out from fluting.
First sliding block 330 is provided at both ends with the first touching switch 332, and second sliding block 430 is provided at both ends with
Two touching switch, the slide unit 700 is provided at both ends with third touching switch 710, and the second guide rail end protrusion is provided with
One origin switch 640, the second guide rail tail end protrusion are provided with a limit switches 360, each switch and the control
Device connects.
Specifically, the second guide rail end is provided with first baffle 650, origin switch 640 is arranged on first baffle 650,
Second guide rail tail end is provided with second baffle 370, and limit switches 360 are arranged on second baffle 370, and touching switch generates contact
Signal is sent in controller, and controller control respective slide or slide unit stop movement, that is, touching switch for limiting cunning
The shift motion of block, avoids sliding block and guide rail end or tail end direct collision, origin switch 640 and limit switches 360 for pair
The mobile route of slide unit carries out the calibration of origin and terminal, improves the mobile accuracy of scanning device, eliminates the accumulative of shift motion
Error.
In above-mentioned technical proposal, the longitudinal cross-section product of second sliding block 430 is accumulated more than the longitudinal cross-section of third sliding block 347
And accumulated less than the longitudinal cross-section of the first sliding block 330, it links and the second screw and the when rotary drive mechanism is engaged with the second screw
When one screw links, rotary drive mechanism drives the first sliding block to be individually moved, and the hydraulic oil volume that per stroke changes is maximum；The
When two sliding blocks move, the hydraulic oil volume that per stroke changes is taken second place；Rotary drive mechanism engages linkage and the with the second screw
When one screw is detached with the second screw, when rotary drive mechanism driving third sliding block is individually moved, the hydraulic pressure of per stroke change
Oil volume is minimum；Namely when driving the first sliding block Moving Unit stroke, the displacement distance of the second sliding block is moved more than unit
Distance, when driving third sliding block that per stroke is individually moved, the displacement distance of the second sliding block is less than unit displacement distance.
In the present invention, third sliding block is individually moved to be finely adjusted for the hydraulic pressure oil capacity to the second guide rail interior, also
It is that the position of the second sliding block is finely adjusted, therefore third sliding block individually serves as the effect of an inching switch, passes through hydraulic oil
Volume carry out the fine tuning of position, adjust step pitch smaller, adjustment distance more controllable precise.First sliding block is used to lead to second
Hydraulic pressure oil capacity inside rail carries out homophony, that is, carries out homophony, therefore the first sliding block integrally fills to the position of the second sliding block
When the effect of a homophony switch, the adjusting of position is carried out by the volume of hydraulic oil, it is rapider to adjust process.
Change the position and movement distance of slide unit, specifically, controller controls the second screw to be engaged with the first screw, second
Screw is engaged with drive shaft, and the first sliding block shift motion is controlled by rotary drive mechanism, you can the movement of the second sliding block of control
Stroke, the first sliding block play the second slide position homophony, when the second screw is controlled to be detached with the first screw, are driven by rotating
Dynamic mechanism controls third sliding block shift motion, you can the shift motion of the second sliding block of control, third sliding block individual play slide unit position
The fine tuning effect put, the first sliding block plays the role of the homophony of position, by controlling the shift motion of the first sliding block, by the second sliding block
It moves quickly near target location, then by individually controlling the shift motion of third sliding block, by the second sliding block accurate movement
To target location, the position for accelerating slide unit is regulated the speed, while improves the mobile accuracy of slide unit, so improve scanning etc. its
The quality of scanning of his working equipment, when sliding block reaches designated position, control drive shaft is detached with the second screw, and third is avoided to slide
Block mechanism inertia effects driven for rotation further improve the mobile accuracy of slide unit.
Meanwhile the shift position of the second sliding block and displacement distance are fed back by straight-line displacement ball bar, for feedback control
The movement of first sliding block and third sliding block.Accumulative operation, unavoidably will appear position deviation, once when the position of the second sliding block
And when deviation occurs in goal-setting position, for example the position of the second sliding block does not reach target location also, at this point, controller calculates the
The offset distance of two sliding blocks, because the longitudinal cross-section in first and second guide rail and accommodating cavity inside space product is certain, you can calculate
The deviation volume of the hydraulic oil in the second guide rail interior space, the first sliding block of controller or control third sliding block single movement, adjustment
The The hydraulic oil in the second guide rail interior space, after the hydraulic oil in the second guide rail interior space obtains the hydraulic oil of deviation volume, i.e.,
The target location that the linkage slide unit arrival of the second sliding block can be driven to specify, so as to eliminate offset deviation in time, improves the scanning of equipment
Precision.
In order to verify the effect of platform of the present invention, using 5mW lasers as testing tool, 5mW lasers are arranged on slide unit,
Test stability during system operation, jitter conditions when slide unit is run.Record the setting range ability and reality when slide unit is run
Border range ability tests the accuracy of system.Finally, system output waveform is tested, this pulse will be sent to subsequent spoke
Meter measuring system is penetrated, as its standby signal, analyzes its accuracy.
Test proves that the shake of slide unit during system operation is all very small, and the shake of vertical direction is than horizontal direction
It is also much smaller, illustrate to absorb by hydraulic system, shake very little caused by motor operation, system is very stable.Meanwhile system
The setting position of operation and the error of physical location are almost without it can be seen that system operation accuracy is very high.
From the above mentioned, the present invention is slided under the premise of a rotary drive mechanism is only used by homophony sliding block and fine tuning
Block is used cooperatively, and improves the mobile accuracy of slide unit, and it is simple to operate, stability is good；Meanwhile the present invention has precision
High, simple to operate, the features such as stability is good, safe, necessary platform base is provided for industrial production and research；
By homophony and vernier control, slide unit moving process of the invention more accurately and quickly, and eliminates the shake of slide unit, this hair
It is bright that screw rod transmission system and Hydraulic Power Transmission System are used in combination, the respective advantage of the two has been given full play to, has been further improved
The mobile accuracy of slide unit, while the movement of slide unit is more steady.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easy
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of intelligent automatic displacement system, which is characterized in that including：
The controller connection of rotary drive mechanism, control terminal and displacement system, the output terminal setting of the rotary drive mechanism
There is a connecting seat；
Driving cylinder is horizontally installed on the outside of the connecting seat, and the first guide rail, first guide rail are provided in the driving cylinder
For enclosed construction, it is provided with first screw being connect with the rotary drive mechanism, institute along its length in the first guide rail
It states and the first sliding block is arranged on the first screw；And
Piston cylinder overlaps and the second guide rail is provided in the upper end of the driving cylinder, the piston cylinder, and described second leads
It is slided in rail and is provided with one second sliding block, the second guide rail upper end is covered with a cover board with a fluting, and described second slides
Block upper end extends upward a guide rod from the fluting, and the guide rod upper end is provided with a slide unit, and slide unit slip is set
It puts on the cover board, a rolling device is provided in the guide rod, the movable end of the rolling device is connected to the fluting
End；
Wherein, first guide rail and the second guide rail are interconnected at tip position, in first guide rail and the second guide rail
End and sliding block between filled with hydraulic oil, be provided with a straight-line displacement ball bar ruler along its length in second guide rail,
Second sliding block is set on the straight-line displacement ball bar ruler, and a reading head, the reading are provided in second sliding block
Several envelopes connect the controller in the straight-line displacement ball bar ruler periphery, the output terminal of the reading head；
Accommodating cavity is offered in first screw, first screw protrudes from the first guide rail head end certain distance,
The head end lateral wall of first screw, which protrudes above, is provided with the first groove, on the drive shaft lateral wall of the rotary drive mechanism
Protrusion is provided with the second groove, is at least opened with what the accommodating cavity connected through opening up one on the first screw head end whole body
Hole, the accommodating cavity one second screw of interior rotation setting, second screw protrude from one spacing of the first screw head end
From the protruding end periphery of second screw is provided with spline structure, is slided on the spline structure and is provided with one first linkage
Axle sleeve and the second linkage axle sleeve, the first linkage axle sleeve and the second linkage shaft room at a certain distance, are set on the connecting seat
It is equipped with the first telescoping drive mechanism being drivingly connected with the described first linkage axle sleeve and connects with the described second linkage axle sleeve driving
The second telescoping drive mechanism connect, first telescoping drive mechanism and the second telescoping drive mechanism connect respectively with the controller
It connects；
Each linkage axle sleeve inner surface is provided with the internal spline being slidably matched with the spline structure, first universal driving shaft
The tail end side wall of set is provided with the third groove coordinated with first groove, the head end side wall setting of the second linkage axle sleeve
There is the 4th groove coordinated with second groove, second screw is selected by the spline structure and the first linkage axle sleeve
Property link with first screw, the head end of second screw by the spline structure and the second linkage axle sleeve selectivity with
The drive shaft of the rotary drive mechanism selectively connects, and a third sliding block is arranged on second screw, and described second slides
Longitudinal cross-section product of the longitudinal cross-section product of block more than third sliding block and the longitudinal cross-section product less than the first sliding block.
2. intelligent automatic displacement system as described in claim 1, which is characterized in that the rotary drive mechanism is stepping electricity
Machine, the drive shaft of the rotary drive mechanism are located in the connecting seat, and the second screw head end runs through first guide rail
It is spaced apart with the drive shaft of the rotary drive mechanism.
3. intelligent automatic displacement system as claimed in claim 2, which is characterized in that the longitudinal cross-section of first sliding block with
The longitudinal cross-section in the first guide rail interior space is consistent, and the first guiding groove is provided on two madial wall of the first guide rail,
The first guide pad is correspondingly arranged on first slider side wall, it is recessed that first guide pad is slidably arranged in first guiding
In slot, and the end periphery of first sliding block is provided with the first sealing ring, and first center runs through along its length
One first threaded hole is offered, first sliding block is located at by first screw thread borehole jack on first screw, and described
The first thread seal set is provided between one threaded hole and the first screw；
The longitudinal cross-section of second sliding block is consistent with the longitudinal cross-section in the second guide rail interior space, second guide rail two
The second guiding groove is provided on madial wall, the second guide pad is correspondingly arranged on second slider side wall, described second leads
Described second is slidably arranged in block to be oriented in groove, and the end periphery of second sliding block is provided with the second sealing ring；
The longitudinal cross-section of the third sliding block is consistent with the longitudinal cross-section of the accommodating cavity, and the accommodating cavity is empty for cylindricality
Chamber, the third sliding block are slidably arranged in the accommodating cavity, and to be provided with third close for the end periphery of second sliding block
Seal, for the third center along its length through offering one second threaded hole, the third sliding block passes through described the
Two screw thread borehole jacks are located on second screw, and the second thread seal is provided between second threaded hole and the second screw
Set.
4. intelligent automatic displacement system as claimed in claim 3, which is characterized in that second center is along length side
Pass through aperture is offered to extending through, the coil of the reading head is arranged on the through hole periphery, and second sliding block leads to
It crosses the through hole to be set on the straight-line displacement ball bar ruler, through hole end periphery is provided with the 4th sealing ring.
5. intelligent automatic displacement system as claimed in claim 4, which is characterized in that the piston cylinder is enclosed in described first
The upper end of guide rail, the second guide rail head bottom part offer the through-hole connected with first guide rail interior.
6. intelligent automatic displacement system as claimed in claim 5, which is characterized in that guide groove is provided on the cover board,
The slide unit is slidably arranged in by the guide rod on the guide groove, and the fluting runs through along its length is opened in the lid
Plate center is provided with third on two madial walls of the fluting and is oriented to groove, and being correspondingly arranged on third on the guide rod two side leads
To block, and the third is oriented in groove and is provided with seal gasket, and the third guide pad is slidably arranged in the seal gasket
In.
7. intelligent automatic displacement system as claimed in claim 6, which is characterized in that the rolling device is accommodated in both sides institute
Between stating third guide pad, an elastic scrolling mechanism is provided in the rolling device, is arranged on the elasticity scrolling mechanism
Several circle roll bendings are provided with alignment opening on the rolling device, and it is same that the alignment opening is located at the third guide pad
Highly, the roll bending width is between the width of the spacing of third guide pad and the guide rod described in both sides, and the roll bending is certainly
It is connect by end by the alignment opening with the fluting end, the roll bending both sides are slidably arranged in the seal gasket.
8. intelligent automatic displacement system as claimed in claim 7, which is characterized in that first sliding block is provided at both ends with the
One touching switch, second sliding block are provided at both ends with the second touching switch, and the slide unit is provided at both ends with third touching switch,
And the second guide rail end protrusion is provided with an origin switch, the second guide rail tail end protrusion is provided with a limit switches,
Each switch is connect with the controller.
9. intelligent automatic displacement system as claimed in claim 8, which is characterized in that the first screw both ends rotation setting
Clutch shaft bearing, the first screw tail end side wall are provided on the first guide rail both ends, the first screw head end side wall
On be provided with second bearing, second screw is rotatably arranged between clutch shaft bearing and second bearing, second screw with
Sealed set between clutch shaft bearing, first groove are correspondingly arranged at the first screw head end of the clutch shaft bearing periphery
On lateral wall；
The second screw head end protrudes from the clutch shaft bearing certain distance, and the second screw head end protrudes from described
One guide rail simultaneously extends to spaced apart with the drive shaft of the rotary drive mechanism in the connecting seat, second groove
Be aligned with the 4th groove, the distance of stretch out and draw back of second telescoping drive mechanism not less than second screw and the drive shaft it
Between spacing, first groove is located at the periphery of the second screw protruding end, and the spline structure and first tooth
Certain gap is reserved between line.
10. intelligent automatic displacement system as claimed in claim 9, which is characterized in that when the first telescoping drive mechanism drives
When first linkage axle sleeve caudad moves, the third groove is engaged with first groove, by second screw and first
Screw link, driving first linkage axle sleeve to head end move when, then the third groove is detached with first groove；When second
Telescoping drive mechanism drives the second linkage axle sleeve to head end movement when the 4th groove is engaged with second groove, will
Second screw and the drive shaft link, when driving the second linkage axle sleeve caudad moves, then the 4th groove and institute
State the separation of the second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449121.4A CN108173407B (en) | 2017-12-27 | 2017-12-27 | Intelligent automatic displacement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449121.4A CN108173407B (en) | 2017-12-27 | 2017-12-27 | Intelligent automatic displacement system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108173407A true CN108173407A (en) | 2018-06-15 |
| CN108173407B CN108173407B (en) | 2020-04-03 |
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ID=62518574
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711449121.4A Active CN108173407B (en) | 2017-12-27 | 2017-12-27 | Intelligent automatic displacement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664236A (en) * | 2020-06-16 | 2020-09-15 | 华中科技大学鄂州工业技术研究院 | Screw rod for realizing geometric motion of multiple objects and application thereof |
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| CN103049771A (en) * | 2012-12-03 | 2013-04-17 | 华中科技大学 | Online detection device for RFID (Radio Frequency Identification Device) label |
| CN205051464U (en) * | 2015-10-30 | 2016-02-24 | 大陆汽车电子(芜湖)有限公司 | Rotor assembly and contain step drive motor of this rotor assembly |
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| JPH08332876A (en) * | 1995-06-09 | 1996-12-17 | Ikeda Bussan Co Ltd | Seat slide device |
| US6101889A (en) * | 1998-01-20 | 2000-08-15 | Thomson Saginaw Ball Screw Company, Llc | Ball screw and nut linear actuator assemblies and methods of constructing and operating them |
| US20100139426A1 (en) * | 2008-12-10 | 2010-06-10 | Nippon Thompson Co., Ltd | Actuator |
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| Publication number | Publication date |
|---|---|
| CN108173407B (en) | 2020-04-03 |
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