CN103394441B - Clearance between roll regulation system and control flow - Google Patents
Clearance between roll regulation system and control flow Download PDFInfo
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- CN103394441B CN103394441B CN201310326678.4A CN201310326678A CN103394441B CN 103394441 B CN103394441 B CN 103394441B CN 201310326678 A CN201310326678 A CN 201310326678A CN 103394441 B CN103394441 B CN 103394441B
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Abstract
The present invention relates to coating complex machine field, purpose is to provide a kind of clearance between roll regulation system, this system is with cylinder for controlling the dynamic origin that transferring roller moves at line slideway, and the another power source that linear stepping motor moves at line slideway as transferring roller, it applies thrust by screw mandrel, microspur slide block to transferring roller, two power sources act on jointly, it is ensured that the transferring roller reliable controlled slip on line slideway.Control system is according to gap setting value by controlling the movement with control transferring roller of linear stepping motor and cylinder, and gap detection device records gap width in real time and feeds back to control system, it is ensured that its accuracy automatically adjusted.And in view of the required precision of clearance between roll, gyration is converted into linear motion by screw mandrel by linear stepping motor, the microspur slide block slide displacement on the lozenges of mounting seat component on line slideway direction is the transferring roller moving displacement relative to metering roll, thus reaches high-precision microgap and moves.
Description
Technical field
The present invention relates to coating complex machine field, particularly relate to a kind of clearance between roll regulation system and control flow.
Background technology
Current domestic widely used complex method mostly is first to be coated with and is combined afterwards, and is coated with and is more typically coated with for roller rotary type
Cloth, is i.e. to leave gap between metering roll and transferring roller, is marked with coating fluid above gap, and transferring roller rotates, and sends away coating
Liquid.Clearance between roll value herein is particularly important, and it directly influences the thickness of coating, and general gap width is 7～12.Existing
Regulation gap uses clearance gauge to measure, the mode of artificial hand wheel regulation.The regulation difficulty of which is very big, and individual differenceization is relatively
Greatly；And adjustable distance scope is little between gap, it is not easy to cleaning.
Summary of the invention
The present invention proposes a kind of clearance between roll regulation system and control flow, solves the regulation of prior art intermediate gap accurately
Spend low problem.
The technical scheme is that and be achieved in that: a kind of clearance between roll regulation system, including the metering roll fixed and
With the transferring roller that described metering roll forms coating clearance, described transferring roller is arranged on fixed frame by mounting seat, described peace
Being provided with line slideway, slide block and cylinder between dress seat and fixed frame, described cylinder controls mounting seat and slides on line slideway,
It also includes that gap detection device, described mounting seat are provided with lozenges, and on described wedge face, laminating is mobile microspur slide block,
Described microspur slide block connects microspur guide rail, and this microspur guide rail is relatively fixed framework and fixes, and described microspur slide block connects screw mandrel,
Described screw mandrel is connected by draft gage linear stepping motor, and described linear stepping motor connects control system, described control
System communicates to connect with gap detection device.
In the technical program, cylinder is to control the dynamic origin that transferring roller moves at line slideway, and straight line stepping
The another power source that motor moves at line slideway as transferring roller, it applies thrust by screw mandrel, microspur slide block to transferring roller,
Two power sources act on jointly, it is ensured that the transferring roller reliable controlled slip on line slideway.Control system sets according to gap
Being worth by controlling the movement with control transferring roller of linear stepping motor and cylinder, gap detection device records gap width feedback in real time
To control system, it is ensured that its accuracy automatically adjusted.And in view of the required precision of clearance between roll, linear stepping motor passes through silk
Gyration is converted into linear motion by bar, and microspur slide block slide displacement on the lozenges of mounting seat is in line slideway direction
On component be the transferring roller moving displacement relative to metering roll, thus reach high-precision microgap and move.
Further, one end of described mounting seat is connected with cylinder, and the other end of mounting seat arranges lozenges, described straight line
Guide rail is horizontally set on the bottom of mounting seat, and described linear stepping motor is fixedly connected on fixed frame, and described screw mandrel passes through
Bearings is on fixed frame.
Structure based on metering roll in existing coating mechanism Yu transferring roller, uses said structure, the cylinder power to mounting seat
Contrary to the force direction of mounting seat in line slideway direction with microspur slide block, therefore both are respectively put in mounting seat one end, transfer
The stress of roller more can keep stable, and moving process is easily controlled.For ensureing the operating of motor and screw mandrel, it is located at fixed frame
On frame.
Described gap detection device includes that magnetic grid and magnetic head, described magnetic grid are arranged on the fixed frame at mounting seat top also
Be arrangeding in parallel with line slideway, described magnetic head is arranged with the center of circle geo-stationary of transferring roller.Magnetic grid can reach the precision of 0.5um,
Therefore the most applicable for microgap.
As another preferred version of this regulation system, described gap detection device includes photoelectric encoder, described photoelectricity
Encoder is arranged on screw mandrel or linear stepping motor.It is as preferable angular transducer, it is possible to achieve the physics such as angular displacement
The accurate measurement of amount, output signal is connected with control system, can not only realize digital measurement with digital control, and and its
He compares by the sensor of similar purposes, has that precision is high, measurement scope wide, uses and be reliable, easy to the advantages such as maintenance.
Be limited again the moving range of fixed thread bar, it is ensured that the safety of system, on the path that microspur slide block moves along screw mandrel
It is provided with proximity switch, the bound that described proximity switch slides for spacing microspur slide block.Described proximity switch is fixing to be connected
On microspur slide block, this proximity switch includes upper and lower proximity switch.
For guaranteeing fine adjustment, eliminating the gap of governor motion, described screw mandrel is double nut gapless ball screw, screw mandrel
Nut is installed on microspur slide block, and screw mandrel is fixed on support by plane bearing and deep groove ball bearing.
Preferably, select PLC that motor and cylinder are controlled, consider from ease of handling and intuitive, work
Make personnel, by man machine interface, PLC reception and registration is controlled requirement.
Present invention also offers the control flow of above-mentioned clearance between roll regulation system, specific as follows:
The first step, by the control command of control system input gap adjustment；
Second step, it is judged that control command, control command is lock out operation, then enter the 3rd step；Control command be concrete between
Gap value, then enter the 4th step；
3rd step, metering roll separates with transferring roller, it may be assumed that
Step one, linear stepping motor operates, and microspur slide block moves, and cylinder draws in；
Step 2, microspur slide block moves to the upper limit, proximity switch action, and linear stepping motor stops；
Step 3, control flow terminates；
4th step, metering roll and transferring roller gap adjustment, it may be assumed that
Step one, it is judged that with or without upper limit signal, supreme limit signal then enters step 2, has upper limit signal then to enter
Step 3；
Step 2, linear stepping motor operates, and microspur slide block moves, and cylinder draws in, repeats step one；
Step 3, linear stepping motor rotates, and cylinder is overhanging, measures gap width, enters step 4；
Step 4, control system compares gap width and clearance measurement value, and both are equal, enter step 7, and gap width is more than
Clearance measurement value then enters step 5, and gap value then enters step 6 less than clearance measurement value；
Step 5, linear stepping motor rotates, and microspur slide block moves, and cylinder draws in, returns step 4；
Step 6, linear stepping motor rotates, and microspur slide block moves down, and cylinder stretches out, and returns step 4；
Step 7, linear stepping motor stops operating, and control flow terminates.
When being i.e. to input concrete gap width from interpersonal interface, PLC calculates according to current clearance, directly
Issue the positional information that motor runs, simultaneously by the position judgment of the clearance inspection amount of being adjusted, when gap width and desired value
Stopping mobile time identical, when gap width is more than desired value, transferring roller continues to move to metering roll, otherwise in like manner.By this control
Flow process achieves the closed loop control of fine adjustment and precision controlling, due to add feedback detection, it is ensured that native system ten thousand none
Lose, reach accurate control.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure principle chart of a kind of clearance between roll of present invention regulation system；
Fig. 2 is the concrete structure schematic diagram of a kind of clearance between roll of present invention regulation system；
Fig. 3 is the mounting structure figure of the proximity switch of a kind of clearance between roll of present invention regulation system；
Fig. 4 is the flow chart of present invention control flow based on clearance between roll regulation system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
A kind of clearance between roll regulation system, as in figure 2 it is shown, include the metering roll fixed and and described metering roll between formed and be coated with
The transferring roller in cloth gap, described transferring roller is arranged on fixed frame 12 by mounting seat 7, described mounting seat 7 and fixed frame
Being provided with line slideway 3, slide block and cylinder 4 between 12, described cylinder 4 controls the mounting seat 7 slip on line slideway 3, and it is also
Including gap detection device, described mounting seat 7 is provided with lozenges, and on described wedge face, laminating is mobile microspur slide block 6, institute
Stating microspur slide block 6 connection and have microspur guide rail 5, this microspur guide rail 5 is relatively fixed framework 12 and fixes, and described microspur slide block 6 connects to be had
Screw mandrel 2, described screw mandrel 2 is connected by shaft coupling 11 linear stepping motor 1, and described linear stepping motor 1 connects control system
System, described control system communicates to connect with gap detection device.
In the technical program, cylinder 4 is to control the dynamic origin that transferring roller moves at line slideway 3, and straight line step
Entering the another power source that motor 1 moves at line slideway 3 as transferring roller, transferring roller is executed by it by screw mandrel 2, microspur slide block 6
Adding thrust, two power sources act on jointly, it is ensured that the transferring roller reliable controlled slip on line slideway 3.Control system according to
Gap setting value is by controlling the movement with control transferring roller of linear stepping motor 1 and cylinder 4, and gap detection device records in real time
Gap width feeds back to control system, it is ensured that its accuracy automatically adjusted.And in view of the required precision of clearance between roll, straight line stepping
Gyration is converted into linear motion, the microspur slide block 6 slide displacement on the lozenges of mounting seat 7 by screw mandrel 2 by motor 1
Component on line slideway 3 direction is the transferring roller moving displacement relative to metering roll, thus reaches high-precision microgap
Mobile.
Further, one end of described mounting seat 7 is connected with cylinder 4, and the other end of mounting seat 7 arranges lozenges, described
Line slideway 3 is horizontally set on the bottom of mounting seat 7, and described linear stepping motor 1 is fixedly connected on fixed frame 12, described
Screw mandrel 2 passes through bearings on fixed frame 12.
Structure based on metering roll in existing coating mechanism Yu transferring roller, uses said structure, and cylinder 4 is to mounting seat 7
Power is contrary to the force direction of mounting seat 7 in line slideway 3 direction with microspur slide block 6, therefore respectively puts both in mounting seat 7 one
End, the stress of transferring roller more can keep stable, and moving process is easily controlled.For ensureing the operating of motor and screw mandrel 2, it is located
On fixed frame 12.
As it is shown in figure 1, the gap between two rollers (A roller is metering roll, and B roller is transferring roller) is set to dmm, lozenges and vertically side
To gradient be α °, i.e. (i.e. gap change displacement d) and microspur slide block 6 are perpendicular in transferring roller displacement on line slideway 3
Nogata to the ratio of displacement be tan α °, when the value of α is the least, then ratio is the biggest, every time can accurate displacement the thinnest.Motor
Also there is transformation ratio between the upper and lower displacement of corner and screw mandrel 2, the most rough displacement is converted into fine displacement
Amount, it is achieved that microspur regulation controls in high precision.
Described gap detection device includes that magnetic grid 8 and magnetic head, described magnetic grid 8 are arranged on the fixed frame at mounting seat 7 top
Be arrangeding in parallel on 12 and with line slideway 3, described magnetic head is arranged with the center of circle geo-stationary of transferring roller.Magnetic grid 8 can reach 0.5um
Precision, therefore the most applicable for microgap.It is apparent that use grating also can reach accurately to measure, repeat no more here.
As another preferred version of this regulation system, described gap detection device includes photoelectric encoder, described photoelectricity
Encoder is arranged on screw mandrel 2 or linear stepping motor 1.It is as preferable angular transducer, it is possible to achieve the things such as angular displacement
The accurate measurement of reason amount, output signal is connected with control system, can not only realize digital measurement with digital control, Er Qieyu
The sensor of other similar purposes is compared, and has that precision is high, measurement scope wide, uses and be reliable, easy to the advantages such as maintenance.
Be limited again the moving range of fixed thread bar 2, it is ensured that the safety of system, as it is shown on figure 3, at microspur slide block 6 along screw mandrel 2
Proximity switch it is provided with, the bound that described proximity switch slides for spacing microspur slide block 6 on the path of movement.Described close
Switch is fixedly connected on microspur slide block 6, and this proximity switch includes proximity switch 10 and lower proximity switch 9.
For guaranteeing fine adjustment, eliminating the gap of governor motion, described screw mandrel 2 is double nut gapless ball screw 2, silk
Bar 2 nut is installed on microspur slide block 6, and screw mandrel 2 is fixed on support by plane bearing and deep groove ball bearing.
Preferably, select PLC that motor and cylinder 4 are controlled, consider from ease of handling and intuitive, work
Make personnel, by man machine interface, PLC reception and registration is controlled requirement.
The adoptable model of each critical component of this clearance between roll regulation system is as follows: described linear stepping motor 1 model
For KSM4248D, the model of described shaft coupling 11 isThe model of screw mandrel 2 is SFK01002, the type of slide rail
Number being GL25CA, the model of cylinder 4 is SDA50-25.By this critical component and the setting of angle [alpha] value, it may be determined that motor corner
Ratio with Δ d.
Present invention also offers above-mentioned clearance between roll regulation system control flow, flow chart as shown in Figure 4, the most such as
Under:
The first step, by the control command of control system input gap adjustment；
Second step, it is judged that control command, control command is lock out operation, then enter the 3rd step；Control command be concrete between
Gap value, then enter the 4th step；
3rd step, metering roll separates with transferring roller, it may be assumed that
Step one, linear stepping motor 1 operates, and microspur slide block 6 moves, and cylinder 4 draws in；
Step 2, microspur slide block 6 moves to the upper limit, proximity switch action, and linear stepping motor 1 stops；
Step 3, control flow terminates；
4th step, metering roll and transferring roller gap adjustment, it may be assumed that
Step one, it is judged that with or without upper limit signal, supreme limit signal then enters step 2, has upper limit signal then to enter
Step 3；
Step 2, linear stepping motor 1 operates, and microspur slide block 6 moves, and cylinder 4 draws in, repeats step one；
Step 3, linear stepping motor 1 rotates, and cylinder 4 is overhanging, measures gap width, enters step 4；
Step 4, control system compares gap width and clearance measurement value, and both are equal, enter step 7, and gap width is more than
Clearance measurement value then enters step 5, and gap value then enters step 6 less than clearance measurement value；
Step 5, linear stepping motor 1 rotates, and microspur slide block 6 moves, and cylinder 4 draws in, returns step 4；
Step 6, linear stepping motor 1 rotates, and microspur slide block 6 moves down, and cylinder 4 stretches out, and returns step 4；
Step 7, linear stepping motor 1 stops operating, and control flow terminates.
When being i.e. to input concrete gap width from interpersonal interface, PLC calculates according to current clearance, directly
Issue the positional information that motor runs, simultaneously by the position judgment of the clearance inspection amount of being adjusted, when gap width and desired value
Stopping mobile time identical, when gap width is more than desired value, transferring roller continues to move to metering roll, otherwise in like manner.By this control
Flow process achieves the closed loop control of fine adjustment and precision controlling, due to add feedback detection, it is ensured that native system ten thousand none
Lose, reach accurate control.
The invention provides a kind of intelligent high-precision gap regulation scheme, make operator simpler, directly perceived, convenient
Ground controls the gap of metering roll and transferring roller, makes gap adjustment personalization difference obtain maximum reduction, one key operation during regulation
Can complete, be truly realized intelligentized fine adjustment, it is to avoid the trouble that measures with the measurement equipment of clearance gauge etc again
Bigger error.And two roller gap can pull open to 25mm, easy to clean.
When native system is debugged for the first time, need to be placed on the clearance gauge of 5 between transferring roller and metering roll, then use manual mode
It is adjusted, when being adjusted to clearance gauge and cannot take out, is zero point, carry out zero point confirmation now by man machine interface, now
PLC can according to currency deduct 5 as zero point, afterwards regulation will carry out as benchmark.If after life-time service
When needing again school zero, repeat aforesaid operations.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (3)
1. a clearance between roll regulation system, it is characterised in that: include the metering roll fixed and form coating with described metering roll
The transferring roller in gap, described transferring roller is arranged on fixed frame by mounting seat, arranges between described mounting seat and fixed frame
Having line slideway, slide block and cylinder, described cylinder controls mounting seat and slides on line slideway, also includes gap detection device,
The wedge face that described mounting seat is provided with vertical direction angle of inclination is α °, on described wedge face, laminating is mobile has microspur sliding
Block, described microspur slide block connects microspur guide rail, and this microspur guide rail is relatively fixed framework and fixes, and described microspur slide block connects silk
Bar, described screw mandrel is connected by draft gage linear stepping motor, and described linear stepping motor connects control system, described control
System processed communicates to connect with gap detection device；The path that described microspur slide block moves along screw mandrel is provided with proximity switch,
The bound that described proximity switch slides for spacing microspur slide block；Described proximity switch is fixedly connected on microspur slide block, should
Proximity switch includes upper and lower proximity switch；One end of described mounting seat is connected with cylinder, and the other end of mounting seat arranges wedge
Face, described line slideway is horizontally set on the bottom of mounting seat, and described linear stepping motor is fixedly connected on fixed frame, institute
State screw mandrel and pass through bearings on fixed frame；Described gap detection device includes that magnetic grid and magnetic head, described magnetic grid are arranged on
Be arrangeding in parallel on the fixed frame at mounting seat top and with line slideway, described magnetic head sets with the center of circle geo-stationary of metering roll
Put；Described gap detection device includes that photoelectric encoder, described photoelectric encoder are arranged on screw mandrel or linear stepping motor；Institute
Stating screw mandrel is double nut gapless ball screw, and feed screw nut is installed on microspur slide block, and screw mandrel is by plane bearing and deep-groove ball
Bearing is fixed on support.
Clearance between roll the most according to claim 1 regulation system, it is characterised in that: described control system includes PLC control
Device and man machine interface.
3. the control flow regulating system based on the clearance between roll described in claim 1 or 2, it is characterised in that:
The first step, by the control command of control system input gap adjustment；
Second step, it is judged that control command, control command is lock out operation, then enter the 3rd step；Control command is concrete gap width,
Then enter the 4th step；
3rd step, metering roll separates with transferring roller, it may be assumed that
Step one, linear stepping motor operates, and microspur slide block moves, and cylinder draws in；
Step 2, microspur slide block moves to the upper limit, proximity switch action, and linear stepping motor stops；
Step 3, control flow terminates；
4th step, metering roll and transferring roller gap adjustment, it may be assumed that
Step one, it is judged that with or without upper limit signal, supreme limit signal then enters step 2, has upper limit signal then to enter step
Three；
Step 2, linear stepping motor operates, and microspur slide block moves, and cylinder draws in, repeats step one；
Step 3, linear stepping motor rotates, and cylinder is overhanging, measures gap width, enters step 4；
Step 4, control system compares gap width and clearance measurement value, and both are equal, enter step 7, and gap width is more than gap
Measured value then enters step 5, and gap value then enters step 6 less than clearance measurement value；
Step 5, linear stepping motor rotates, and microspur slide block moves, and cylinder draws in, returns step 4；
Step 6, linear stepping motor rotates, and microspur slide block moves down, and cylinder stretches out, and returns step 4；
Step 7, linear stepping motor stops operating, and control flow terminates.
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| CN103710473B (en) * | 2014-01-22 | 2015-07-08 | 浙江省湖州二轻机械总厂 | Automatic shaving machine brush roller tracking device |
| CN105136053A (en) * | 2015-05-22 | 2015-12-09 | 合肥京东方光电科技有限公司 | Gap adjusting device, gap adjusting method and transmission equipment |
| CN106240152B (en) * | 2016-08-31 | 2018-11-13 | 尤红平 | The nipper of adjustable wheel roller |
| CN106694307A (en) * | 2016-12-06 | 2017-05-24 | 中山市金田机电有限公司 | Quantitative roller fine adjustment mechanism for solvent-free compounding machine and fine adjustment method |
| CN113751284A (en) * | 2021-09-29 | 2021-12-07 | 李诗奕 | Automatic scraper height adjusting device of casting machine and slurry thickness control method |
| CN114354183A (en) * | 2021-12-09 | 2022-04-15 | 昆明北方红外技术股份有限公司 | Damping detection device and method for high-precision linear transmission mechanism |
| CN115076323A (en) * | 2022-06-16 | 2022-09-20 | 盛吉盛半导体科技(无锡)有限公司 | Loadlock transmission mechanism in PVD (physical vapor deposition) and CVD (chemical vapor deposition) equipment and control method thereof |
| CN115025932B (en) * | 2022-06-20 | 2024-03-22 | 惠州市赢合科技有限公司 | Micro-gap adjusting control system and method, coating machine and storage medium |
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| US5409732A (en) * | 1992-03-31 | 1995-04-25 | Minnesota Mining And Manufacturing Company | Roll gap controller for regulating coating thickness |
| CN201446051U (en) * | 2009-07-28 | 2010-05-05 | 西安秦华机械有限责任公司 | Lithium-ion power battery pole-piece precise coating machine |
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