CN106499785A - A kind of high accuracy straight line module and its control method - Google Patents
A kind of high accuracy straight line module and its control method Download PDFInfo
- Publication number
- CN106499785A CN106499785A CN201610967100.0A CN201610967100A CN106499785A CN 106499785 A CN106499785 A CN 106499785A CN 201610967100 A CN201610967100 A CN 201610967100A CN 106499785 A CN106499785 A CN 106499785A
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- Prior art keywords
- slide block
- slide
- straight line
- pedestal
- screw mandrel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
-
- 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
- F16H25/2003—Screw mechanisms with arrangements for taking up backlash
-
- 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
- F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
-
- 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
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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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
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H2025/2445—Supports or other means for compensating misalignment or offset between screw and nut
Abstract
The present invention relates to a kind of precise-motion mechanism.A kind of high accuracy straight line module of the present invention, including the screw mandrel, slide block and the pedestal that are assembled into one, sliding surface of the contact surface of the pedestal and slide block for planar structure, and slide block is cooperated with pedestal and is provided with anti-bias structure, the anti-bias structure is used for limiting slide block deviation glide direction, and is additionally provided with the stopping means for limiting slide block sliding position on the module.All parts are assembled into one by the module, guarantee assembly precision and performance, and the contact surface of pedestal and slide block is set to the sliding surface of planar structure, and anti-bias structure is equipped with slide block and pedestal, improve the stability of slide block operation, it is ensured that slide block running precision；The stopping means arranged on module can guarantee that the operation safety of slide block.
Description
Technical field
The present invention relates to a kind of precise-motion mechanism, more particularly to a kind of high accuracy straight line module and its control method.
Background technology
Straight line module is that market orientation is set in photovoltaic apparatus, loading and unloading manipulator, sanction shifting in German application earliest
Standby, automatic double surface gluer and patch device etc., this mechanical hand can have to the advantage that these equipment bring：Monomer movement velocity is fast, weight
Multiple positioning precision height, body light weight, account for that the device space is little, life-span length.Therefore the scope that straight line module is used is expanding always,
Particularly high-precision displacement occasion.And in recent years in China, the exploitation of straight line module is also fast-developing, it is the equipment system of China
Make development and contribute to indispensable contribution.
Just it is currently being widely used straight line module and can be divided into 2 types：Synchronous banding pattern and screw rod type, wherein screw rod type straight line mould
Group is applied to the higher occasion of required precision, therefore will to the parts itself and the precision for cooperating of screw rod type straight line module
Ask higher.The part of screw rod type straight line module mainly includes screw mandrel, slide block, guide rail and motor etc., but screw rod type is straight at present
Also there is problem below in the use of line module：
1. most product needed client oneself purchases screw mandrel, guide rail and related assembly parts respectively, subsequently oneself is assembled,
The precision of all parts assembling is difficult to ensure that, and it is more to assemble the consuming time；
2. in existing screw rod type straight line module, slide block is disc with the contact surface of line slideway, when screw mandrel band movable slider is in straight line
When running on guide rail, contact of the slide block with line slideway is linear contact lay, is unfavorable for that position of the slide block on line slideway is stable, makes
Obtain slide block running precision to be difficult to ensure that, it is difficult to meet the demand of screw rod type straight line module high accuracy operation.
Content of the invention
It is an object of the invention to it is user oneself buying related components mostly to overcome existing screw rod type straight line module
Assembling, it is difficult to ensure assembly precision and assemble time-consuming more, and in existing screw rod type straight line module slide block and line slideway cunning
Dynamic contact surface is disc shape, it is difficult to ensure the technical problem of slide block operation stability and precision, there is provided a kind of high accuracy straight line mould
All parts are assembled into one by group and its control method, the module, it is ensured that assembly precision and performance, and by pedestal and slide block
Contact surface be set to the sliding surface of planar structure, improve the stability of slide block operation, it is ensured that slide block running precision；On module
The stopping means of setting can guarantee that the operation safety of slide block.
In order to realize foregoing invention purpose, the invention provides technical scheme below：
A kind of high accuracy straight line module, including the contact surface of the screw mandrel, slide block and the pedestal that are assembled into one, the pedestal and slide block
For the sliding surface of planar structure, and slide block is cooperated with pedestal and is provided with anti-bias structure, and the anti-bias structure is used for limiting cunning
Block deviates glide direction, and is additionally provided with the stopping means for limiting slide block sliding position on the module.
All parts are assembled into one by the module, it is ensured that assembly precision and performance, reduce user oneself assembling when
Between；The contact surface of pedestal and slide block is set to the module sliding surface of planar structure, and existing disc contact mode is changed to
Plane contact, substantially increases contact surface, and the sliding surface relative to disc contact enhances the stability of slide block operation, and passes through
Slide block and pedestal cooperate the anti-bias structure of setting, limit slide block and deviate glide direction, more ensure stablizing for slide block operation
Property, it is ensured that slide block running precision；The stopping means arranged on module more can guarantee that the operation safety of slide block, anti-limited slip block and silk
The driving means of boom end or end cap bump against, it is to avoid cause device damage, improve device service life, cost-effective.
Preferably, being provided with the line slideway of platy structure on the pedestal, the line slideway is included for slide block
The sliding surface of slip, is additionally provided with sideslip groove in the side of line slideway.The line slideway of the platy structure on pedestal, its
Sliding surface realizes the plane contact with slide block, it is ensured that Slide precision, and the sideslip groove that the side of line slideway is arranged, it is anti-
A part for inclined structure, coordinates the spacing setting on slide block, reaches anti-bias purpose.
Preferably, being connected with the slide for being engaged slip with line slideway, being slidably matched in slide below the slide block
The slip raised line being engaged with sideslip groove is extended with face.Connect slide below slide block as sliding contact parts, to slide block
Protected, reduced the damage of slide block and pedestal, also allowed for processing and changing damage part, better control over the processing of sliding surface
Precision, and then ensure the operation accuracy of slide block；And the slip raised line coordinated with sideslip groove arranged on slide, slide equal to increasing
Seat and the contact area of line slideway, deviate sliding straight direction during anti-limited slip block slip, relative to the contact of existing disc
Structural stability is increased substantially, and then ensures the operation stability and running precision of straight line module.
Preferably, the sideslip groove is symmetricly set on the two sides of line slideway, accordingly it is provided with slide symmetrical
The pair of sliding raised line of arrangement, makes the bottom surface of slide form inverted U-shaped.Sideslip is symmetrical arranged in the two sides of line slideway
Groove, corresponding be arranged on slide to slip raised line, constitute more structurally sound slide construction and anti-bias structure, when slide with straight
During line guide rail contact, slide is contacted with the sliding surface and sideslip groove of line slideway respectively, forms the slide-shaped of three faces contact
Formula, further improves the stability that slide block slides, it is ensured that slide block running precision, the i.e. operation stability of straight line module and precision.
Preferably, the pedestal is section bar, two slideways being parallel to each other are correspondingly provided with pedestal with line slideway,
The distance between two slideways are adapted with the size of line slideway, and the groove width of each slideway is adapted with slide.It is adapted to cunning
The structure of seat, slides for slide and provides space.
Preferably, the slide block is provided with screw mandrel installing hole, the screw mandrel installing hole is stepped hole, i.e. first step hole
With second step hole, the diameter with diameter greater than second step hole in the first step hole, the first step hole extend to cunning
The end face of block body, i.e. flanged end face, are provided with the flanged end face and connect for installing the flange of screw flange
Connect hole.The screw mandrel installing hole arranged on slide block is stepped hole, is easily installed screw flange, will flange and screw mandrel contact jaw
Face is extended in first step hole, increases the contact surface of flange and feed screw nut, increases the service life of slide block；Reach and compare
Good sliding effect, screw mandrel are good with the depth of parallelism of guide rail, increase the service life of slide block.
Preferably, the driving means being connected with end cap respectively and rotate for drive screw at the two ends of pedestal, the drive
Dynamic device is motor, and the motor is connected with pedestal.
Preferably, the stopping means are limit switch.The limit switch is connected with the controlling switch of motor, works as cunning
When block position reaches limit-switch positions, power-off is forced, protect slide block, in case slide block is bumped against with motor or end cap.
Preferably, being equipped with yielding coupling on the screw mandrel of motor.The yielding coupling of cushioning effect is set up,
Play a part of vibration damping and improve shafting dynamic property, reduce the backhaul gap of screw mandrel, it is ensured that the running precision of straight line module.
Preferably, the gripper shoe for support screw is also connected with line slideway, with screw mandrel pair in the gripper shoe
Screw mandrel supported hole should be provided with, and the limiting section for limiting bearing axially-movable is provided with screw mandrel supported hole.The gripper shoe is to screw mandrel
It is supported, increases the stable strong point of screw mandrel, increases the adaptable thrust range of whole straight line module；And in screw mandrel installing hole
The limiting section for limiting bearing axially-movable is set up, the backhaul gap of screw mandrel is reduced or eliminated, it is ensured that the operation of straight line module is accurate
Property.
Preferably, being correspondingly provided with endcap support hole on the end cap with screw mandrel, the endcap support hole is stepped hole, its
Middle large diameter hole is extended close on the end cap end face of slide block, and the diameter of the diameter holes is less than the diameter of screw mandrel bearing.The screw mandrel
End cap is by being set to stepped hole by screw mandrel installing hole and bigger near the aperture of the end cap end face side of slide block, that is, be used for installing
The large diameter hole of screw mandrel bearing, and the diameter of diameter holes is set to less than the diameter of screw mandrel bearing, in screw mandrel, screw mandrel bearing and the silk
After stem cover combination, move or when straight line module is arranged on vertical direction, incline direction in screw mandrel rotational band movable slider,
By screw mandrel bearing load, and can prevent bearing from dropping by the position of diameter holes restriction bearing.
Make preferably, being additionally provided with the pedestal connecting hole for being connected with line slideway on the end cap, the pedestal connects
Hole position is connect below endcap support hole.
According to the product of above-mentioned high accuracy straight line module, a kind of method which controls now is provided：
A kind of control method of high accuracy straight line module, comprises the following steps：
(1) installing first on slide block needs the operation part of accurate control；
(2) and then start the rotation of driving means drive screws, band movable slider runs, and then drives operation part to reach specific bit
Put；
(3) when slide position reaches limit-switch positions, power-off forced by limit switch, stops slide block operation；
(4) in slide block running, yielding coupling reduces the backhaul gap of screw mandrel, it is ensured that straight line module runs.
The control method drives operation part motion using high accuracy straight line module, due to its slide and the contact surface of guide rail
The sliding surface of planar structure is set to, and is provided with anti-bias structure so that operation part is stable, running precision is high；And limit
The setting of bit switch ensures that the operation safety of slide block, anti-limited slip block are bumped against with the parts of screw mandrel end, it is to avoid cause equipment to damage
Bad, in the yielding coupling that screw rod driving device end is arranged, play a part of vibration damping and improve shafting dynamic property, reduce screw mandrel
Backhaul gap so that high to running the control accuracy of part in module running, meet the need of equipment high precision manipulation
Ask.
As preferential, on the slide slip raised line and the sideslip groove cooperation installation of line slideway, correspond on pedestal
Slide is provided with the slideway for sliding.The slideway arranged on pedestal is adapted to the structure of slide, slides for slide and provides sky
Between, it is easy to slide and the cooperation of line slideway to install.
Compared with prior art, beneficial effects of the present invention：
1st, all parts are assembled into one by the module, it is ensured that assembly precision and performance, reduce the time of user oneself assembling；
The contact surface of pedestal and slide block is set to the module sliding surface of planar structure, and existing disc contact mode is changed to plane
Contact, substantially increases contact surface, and the sliding surface relative to disc contact enhances the stability of slide block operation, and passes through slide block
Cooperated the anti-bias structure of setting with pedestal, is limited slide block and is deviateed glide direction, more ensures the stability of slide block operation, protect
Card slide block running precision；The stopping means arranged on module more can guarantee that the operation safety of slide block, anti-limited slip block and screw mandrel end
The driving means in portion or end cap bump against, it is to avoid cause device damage, improve device service life, cost-effective；
2nd, the line slideway of the platy structure on pedestal, its sliding surface realize the plane contact with slide block, it is ensured that slide block
Kinematic accuracy, and the sideslip groove that the side of line slideway is arranged, are a part for anti-bias structure, coordinate spacing setting on slide block
Put, reach anti-bias purpose；
3rd, connect slide below slide block as sliding contact parts, slide block protected, the damage of slide block and pedestal is reduced,
Also allow for processing and changing damage part, better control over the machining accuracy of sliding surface, and then ensure the operation accuracy of slide block；
And the slip raised line coordinated with sideslip groove arranged on slide, equal to the contact area for increasing slide and line slideway, anti-on-slip
Block deviates sliding straight direction when sliding, and the structural stability relative to the contact of existing disc is increased substantially, and then is ensured
The operation stability and running precision of straight line module；
4 and the high accuracy straight line module control method using high accuracy straight line module drive operation part motion, due to its slide
Seat is set to the sliding surface of planar structure with the contact surface of guide rail, and is provided with anti-bias structure so that run part stable,
Running precision is high；And the setting of limit switch ensures that the operation safety of slide block, anti-limited slip block are bumped against with the parts of screw mandrel end,
Avoid causing device damage, in the yielding coupling that screw rod driving device end is arranged, play vibration damping and improve shafting dynamic property
Effect, reduce the backhaul gap of screw mandrel so that high to running the control accuracy of part in module running, meet equipment
The demand of high precision manipulation.
Description of the drawings：
Fig. 1 is the structural representation of high accuracy straight line module of the present invention.
Fig. 2 is the structural representation of slide block in Fig. 1.
The front sectional view of Fig. 3 Fig. 2.
Upward views of the Fig. 4 for Fig. 3.
Fig. 5 is the structural representation of pedestal in Fig. 1.
Fig. 6 is the structural representation of end cap in Fig. 1.
Fig. 7 for Fig. 6 A-A to sectional view.
Fig. 8 is the structural representation of slide in Fig. 1.
Structural representations of the Fig. 9 for Fig. 1 cathetus guide rails.
Front views of the Figure 10 for Fig. 9.
Left views of the Figure 11 for Figure 10.
Labelling in figure：1- end caps, 101- endcap supports hole, 102- pedestal connecting holes, 2- screw mandrels, 3- slide blocks, 301- are combined
Installing hole, 302- flange connecting holes, 303- screw mandrel installing holes, 304-U shape grooves, 4- gripper shoes, 5- yielding couplings, 6- motors,
7- limit switches, 8- pedestals, 9- slides, 901- slip raised lines, 902- slide connecting holes, 10- line slideways, 1011- sideslip grooves,
1012- guide rail mounting holes.
Specific embodiment
With reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
Scope for above-mentioned theme of the invention is only limitted to below example, and all technology that is realized based on present invention belong to this
The scope of invention.
Embodiment 1
As shown in Figure 1 to 11, the high-precision straight line module of the present embodiment, including be assembled into one screw mandrel 2,3 and of slide block
Pedestal 8, the sliding surface of the contact surface of the pedestal 8 and slide block 3 for planar structure, and slide block 3 are cooperated with pedestal 8 and are provided with
Anti-bias structure, the anti-bias structure are used for limiting the deviation glide direction of slide block 3, are connected with end cap 1 respectively at the two ends of pedestal 8 and use
In the driving means that drive screw is rotated, and the stopping means for limiting 3 sliding position of slide block are additionally provided with the module.
Specifically, the concrete setting of sliding surface and anti-bias structure of planar structure between pedestal 8 and slide block 9 is realized such as
Under：The line slideway 10 of platy structure is installed on pedestal 8, the line slideway 10 includes the slip that slides for slide block
Face, is additionally provided with sideslip groove 1011 in the side of line slideway 10.
And accordingly, the slide 9 being engaged with line slideway 10 is connected with below slide block 3, in the face that is slidably matched of slide 9
On be extended with the slip raised line 901 being engaged with sideslip groove 1011.
Line slideway is set on pedestal, slide is correspondingly arranged below slide block, actual so in slide block sliding process
Contact is slide and line slideway, reduces the damage of slide block and pedestal, also allows for processing, better control over the processing of sliding surface
Precision, and then ensure the operation accuracy of slide block；In actual use, by the flatness grade of raising sliding surface, energy
The slip precision of slide block is made to reach a μm rank, more compared with the sliding surface slip precision raising of disc contact before, using circle
The slide block precision of face contact can only achieve mm ranks；
In addition, the sideslip groove arranged in line slideway side and the slip raised line being correspondingly arranged on slide, equal to increase slide
With the contact area of line slideway, increase stability of the slide block in sliding process, and then ensure the stable of straight line module
Property and running precision.
Further, as shown in Figures 9 to 11, the sideslip groove 1011 in the present embodiment is symmetricly set on line slideway 10
Two sides, as shown in figure 8, being accordingly provided with the pair of sliding raised line 901 being arranged symmetrically on slide 9, make going to the bottom for slide 9
Face forms inverted U-shaped.Sideslip groove is symmetrical arranged in the two sides of line slideway, corresponding be arranged on slide to slip convex
Bar and the structure of paired slip raised line formation reverse U shape, when slide is contacted with line slideway, slide is led with straight line respectively
The sliding surface of rail and the contact of sideslip groove, constitute the structure that slide wraps up line slideway, form three faces and contact slideably,
Stability that slide block slide further is improved, it is ensured that slide block running precision, the i.e. operation stability of straight line module and precision.
Further, as shown in Figures 2 to 4, the groove for installing slide 9 is provided with the bottom surface of the slide block 3, described recessed
Groove is adapted with 9 shape of slide, and the groove is U-lag 304.The groove for installing slide is set on slide block bottom surface, is easy to slide
Installation, slide drive slide block movement when, using groove side in the face of slide block force, do not depend merely on the connector band of slide block and slide
Movable slider is moved.
Further, as shown in figure 5, the pedestal 8 is section bar, it is correspondingly provided with mutually with line slideway 10 on pedestal 8
The distance between two parallel slideways, two slideways are adapted with the size of line slideway 10, the groove width and cunning of each slideway
Seat 9 is adapted.As shown in figure 9, being provided with multiple guide rail mounting holes 1012 on line slideway 10, fit connection is connected with section bar
Connect, realize the connection of line slideway 10 and pedestal 8.
Further, the guide rail mounting hole 1012 is counterbore, is easy to hide connector, it is ensured that the planarization of sliding surface.
As shown in Figure 2 and Figure 4, the slide block 3 is provided with screw mandrel installing hole 303, and the screw mandrel installing hole 303 is step
Hole, i.e. first step hole and second step hole, the diameter with diameter greater than second step hole in the first step hole, described first
Stepped hole extends to the flanged end face of slide block, is provided with and connects for installing the flange of screw flange on flanged end face
Connect hole 302.The screw mandrel installing hole arranged on slide block is stepped hole, be easily installed screw flange, will flange and screw mandrel connect
Contravention face is extended in first step hole, increases the contact surface of flange and feed screw nut, increases the service life of slide block；Reach
Reasonable sliding effect, screw mandrel are good with the depth of parallelism of guide rail, increase the service life of slide block.
In addition, can see from Fig. 2 and Fig. 4, the combination installing hole 301 through its body is provided with slide block 3, while
As shown in figure 8, being correspondingly provided with slide connecting hole 902 on slide 9, slide 9 and slide block 3 are coupled together using connector.
In sum, all parts are assembled into one by the straight line module of the present embodiment, it is ensured that assembly precision and performance, are subtracted
The time of few user oneself assembling, and avoid because assembling undue influence module performance；Contact of the module by pedestal with slide block
Face is set to the sliding surface of planar structure, arranges line slideway, is correspondingly arranged slide below slide block specifically on pedestal, this
What sample was actually contacted in slide block sliding process is slide and line slideway, reduces the damage of slide block and pedestal, also allows for processing,
Better control over the machining accuracy of sliding surface；
Meanwhile, the slip raised line being correspondingly arranged on the sideslip groove and slide of line slideway side setting, equal to increase slide
With the contact area of line slideway, the structure that slide wraps up line slideway is constituted, form three faces and contact slideably, further
The stability that slide block slides is improved, slide block is limited and is deviateed glide direction, and then ensure operation stability and the operation of straight line module
Precision, reduces the damage to screw mandrel, the comprehensive use cost of control.
Embodiment 2
As shown in Figure 1 to 11, the high-precision straight line module according to embodiment 1, the driving means be motor 6, institute
State motor 6 to be connected with pedestal 8.
Further, yielding coupling 5 is being equipped on the screw mandrel 2 of motor 8.Set up the elastic shaft coupling of cushioning effect
Device, plays a part of vibration damping and improves shafting dynamic property, reduce the backhaul gap of screw mandrel, it is ensured that the operation essence of straight line module
Degree.
In the present embodiment, the gripper shoe 4 for support screw 2 is also connected with pedestal 8, with screw mandrel 2 in the gripper shoe 4
Screw mandrel supported hole is correspondingly provided with, and the limiting section for limiting bearing axially-movable is provided with screw mandrel supported hole；As shown in figure 1, institute
State gripper shoe 4 to be positioned close on the screw mandrel of motor 6.The gripper shoe is supported to screw mandrel, increases the stable strong point of screw mandrel,
Increase the adaptable thrust range of whole straight line module；And the limiting section for limiting bearing axially-movable in screw mandrel installing hole, is set up,
The backhaul gap of screw mandrel is reduced or eliminated, it is ensured that the operation accuracy of straight line module.
Specifically, as shown in figure 1, the yielding coupling 5 is on the screw mandrel between gripper shoe 4 and motor 6.
In the present embodiment, the stopping means are limit switch 7.As shown in figure 1, being provided with 2 limits at the two ends of pedestal 8
Bit switch 7, the limit switch are connected with the controlling switch of 7 motors, when 3 position of slide block reaches the position of limit switch 7, by force
Power-off processed, protects slide block, in case slide block is bumped against with gripper shoe or end cap.
Further, as shown in Fig. 1, Fig. 5 and 6, endcap support hole 101 is correspondingly provided with screw mandrel 2 on end cap 1, described
Endcap support hole 101 is stepped hole, and wherein large diameter hole extended to closer on the end cap end face of slide block 3, the diameter holes straight
Diameter of the footpath less than screw mandrel bearing.The screw mandrel end cap is by being set to stepped hole, and the end cap near slide block by screw mandrel installing hole
The aperture of end face side is bigger, that is, be used for the large diameter hole for installing screw mandrel bearing, and the diameter of diameter holes is set to than screw mandrel bearing
Diameter is little, after the combination of screw mandrel, screw mandrel bearing and the screw mandrel end cap, moves in screw mandrel rotational band movable slider or works as straight line mould
When group is arranged on vertical direction, incline direction, by screw mandrel bearing load, and can be prevented by the position of diameter holes restriction bearing
Only bearing drops.
Specifically, the pedestal connecting hole 102 for being connected with pedestal 8, the pedestal connecting hole are additionally provided with the end cap 1
102 are located at below endcap support hole 101.It is easy to for end cap to be fixed on base ends, beneficial to supporting screw mandrel.
Embodiment 3
As shown in figure 1, the high accuracy straight line module according to embodiment 1 or embodiment 2, its control method, including following step
Suddenly：
(1) installing first on slide block 3 needs the operation part of accurate control；
(2) and then start driving means drive screw 2 and rotate, band movable slider 3 runs, and then drives operation part to reach specific bit
Put；
(3) when slide block 3 because accident is out of control, when its position reaches 7 position of limit switch, power-off forced by limit switch 7, stops slide block
3 operations；
(4) in 3 running of slide block, yielding coupling 5 reduces the backhaul gap of screw mandrel 2, it is ensured that straight line module runs.
Further, the slip raised line 901 on the slide 9 is coordinated with the sideslip groove 1011 of line slideway 10 and is installed,
Slide 9 is provided with the slideway for sliding on pedestal 8.The slideway arranged on pedestal is adapted to the structure of slide, is sliding
Seat slides and provides space, is easy to slide and the cooperation of line slideway to install.
To sum up, the control method drives operation part motion using high accuracy straight line module, due to its slide and guide rail
Contact surface is set to the sliding surface of planar structure, and is provided with anti-bias structure so that operation part is stable, running precision
High；And the setting of limit switch ensures that the operation safety of slide block, anti-limited slip block are bumped against with the parts of screw mandrel end, it is to avoid cause
Device damage, in the yielding coupling that screw rod driving device end is arranged, plays a part of vibration damping and improves shafting dynamic property, subtract
The backhaul gap of minor leading screw so that high to running the control accuracy of part in module running, meets equipment high accuracy and grasps
The demand of work.
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
This specification（Including any accessory claim, summary and accompanying drawing）Disclosed in any feature, except non-specifically is chatted
State, can equivalent by other or with similar purpose alternative features replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Claims (10)
1. a kind of high accuracy straight line module, including the screw mandrel, slide block and the pedestal that are assembled into one, it is characterised in that the pedestal
With the contact surface of slide block for planar structure sliding surface, and slide block cooperated with pedestal and is provided with anti-bias structure, described anti-bias
Structure is used for limiting slide block deviation glide direction, and is additionally provided with the stopping means for limiting slide block sliding position on the module.
2. high accuracy straight line module according to claim 1, it is characterised in that be provided with platy structure on the pedestal
Line slideway, the line slideway include the sliding surface slided for slide block, are additionally provided with sideslip groove in the side of line slideway.
3. high accuracy straight line module according to claim 2, it is characterised in that be connected with below the slide block and line slideway
The slide of slip is engaged, and the slip raised line being engaged with sideslip groove is extended with the face that is slidably matched of slide.
4. high accuracy straight line module according to claim 3, it is characterised in that the sideslip groove is symmetricly set on straight line and leads
The two sides of rail, are accordingly provided with the pair of sliding raised line being arranged symmetrically on slide, make the bottom surface of slide form inverted U-shaped knot
Structure.
5. high accuracy straight line module according to claim 4, it is characterised in that the sideslip groove is along line slideway length side
To extension, and sideslip groove center line is parallel with the sliding surface of line slideway.
6. the high accuracy straight line module according to one of claim 1-5, it is characterised in that the slide block is provided with screw mandrel peace
Dress hole, the screw mandrel installing hole is stepped hole, i.e. first step hole and second step hole, the first step hole with diameter greater than
The diameter in second step hole, the first step hole extend to the flanged end face of slider body.
7. the high accuracy straight line module according to one of claim 1-5, it is characterised in that the stopping means are opened for spacing
Close.
8. high accuracy straight line module according to claim 7, it is characterised in that matching somebody with somebody on the screw mandrel at driving means end
It is provided with yielding coupling.
9. a kind of control method of high accuracy straight line module, it is characterised in that comprise the following steps：
(1) installing first on slide block needs the operation part of accurate control；
(2) and then start the rotation of driving means drive screws, band movable slider runs, and then drives operation part to reach specific bit
Put；
(3) when slide position reaches limit-switch positions, power-off forced by limit switch, stops slide block operation；
(4) in slide block running, yielding coupling reduces the backhaul gap of screw mandrel, it is ensured that straight line module runs.
10. high accuracy straight line module according to claim 9, it is characterised in that the slip raised line on the slide with straight
The sideslip groove of line guide rail coordinates to be installed, and on pedestal, corresponding and slide is provided with the groove for sliding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610967100.0A CN106499785A (en) | 2016-10-28 | 2016-10-28 | A kind of high accuracy straight line module and its control method |
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| CN201610967100.0A CN106499785A (en) | 2016-10-28 | 2016-10-28 | A kind of high accuracy straight line module and its control method |
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| CN201610967100.0A Pending CN106499785A (en) | 2016-10-28 | 2016-10-28 | A kind of high accuracy straight line module and its control method |
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Application publication date: 20170315 |