CN106270743A - A kind of Os Draconis clipping apparatus and Os Draconis cold-rolling mill - Google Patents
A kind of Os Draconis clipping apparatus and Os Draconis cold-rolling mill Download PDFInfo
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- CN106270743A CN106270743A CN201510250601.2A CN201510250601A CN106270743A CN 106270743 A CN106270743 A CN 106270743A CN 201510250601 A CN201510250601 A CN 201510250601A CN 106270743 A CN106270743 A CN 106270743A
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Abstract
The present invention provides a kind of Os Draconis clipping apparatus and Os Draconis cold-rolling mill, and described Os Draconis clipping apparatus includes: for obtaining the measuring mechanism of Os Draconis positional information, following the trail of mechanism, cutter mechanism and controller；Described measuring mechanism includes first sensor and the second sensor；Before described first sensor is arranged on the pressure rolling mechanism of cold-rolling mill, described second sensor is arranged between pressure rolling mechanism and the cutter mechanism of cold-rolling mill, and first sensor and the second sensor are connected to controller, and controller is connected to cutter mechanism；First detection signal is sent to controller by described first sensor；Second detection signal is sent to controller by described second sensor；Described controller is for the first detection signal acquisition Os Draconis positional information sent according to first sensor, and when the detection of Os Draconis position is beyond the detection range of first sensor, the the second detection signal acquisition Os Draconis positional information sent according to the second sensor, described controller is additionally operable to, according to Os Draconis positional information, cutting-off controlling signal is sent to cutter mechanism.By above-mentioned Os Draconis clipping apparatus, reduce the raw-material waste of Os Draconis, reduce production cost.
Description
Technical field
The present invention relates to the production technical field of metal, cold particularly to a kind of Os Draconis clipping apparatus and Os Draconis
Milling train.
Background technology
Chasing after in the system of cutting at Os Draconis production line high-speed, the continuous strip steel of feeding mechanism constantly sends into splicing platform,
Os Draconis clipping apparatus is then cut off according to being set for according to the length of charging, this process constantly repeat into
OK, the cut-out of Os Draconis is completed.Owing to measuring the encoder distance cutter mechanism of Os Draconis feeding speed and length
Distant, at the final stage of every coiled strip steel, Os Draconis are by the measurement scope beyond encoder, therefore
Control system cannot know walking position and the speed of Os Draconis, also sends out and proceeds to cut off operation, therefore,
One section of useless Os Draconis would generally be produced, thus cause unnecessary waste, affect input and output rate, also improve
Production cost.
Additionally, Os Draconis clipping apparatus is in actual use, system wear is the most serious.Cause this phenomenon
Main cause be servomotor during accelerating and slowing down, owing to speed when starting and stop becomes
Change the impulsive force caused relatively big, therefore add the abrasion to equipment so that the maintenance of Os Draconis clipping apparatus
Rate raises, and reduces production efficiency, also improves production cost,
Summary of the invention
The present invention provides a kind of Os Draconis clipping apparatus and Os Draconis cold-rolling mill, is used for solving prior art Os Draconis and cuts
The problem of the strip steel waste caused beyond monitoring range due to encoder during Duan.
In order to solve above-mentioned technical problem, embodiments provide a kind of Os Draconis clipping apparatus, described
Os Draconis chase after the system of cutting and include: be used for obtaining detection Os Draconis and transmit measurement of length mechanism, tracking mechanism, cut
Cutter mechanism and controller；
Described measuring mechanism includes first sensor and the second sensor；Described first sensor is arranged on cold
Before the pressure rolling mechanism of milling train, described second sensor is arranged on pressure rolling mechanism and the cutter mechanism of cold-rolling mill
Between,
First sensor and the second sensor are connected to controller, and controller is connected to cutter mechanism；
First detection signal is sent to controller by described first sensor；Described second sensor is by second
Detection signal is sent to controller；
Described controller is for the first detection signal acquisition Os Draconis position letter sent according to first sensor
Breath, and when the detection of Os Draconis position is beyond the detection range of first sensor, send according to the second sensor
Second detection signal acquisition Os Draconis positional information, described controller is additionally operable to according to Os Draconis positional information,
Cutting-off controlling signal is sent to cutter mechanism.
Preferably, described first detection signal is specially the first pulse counting signal, described second detection letter
Number be specially the second pulse counting signal,
Described the first detection signal acquisition Os Draconis positional information sent according to first sensor, and at Os Draconis
When position detection exceeds the detection range of first sensor, the second detection letter sent according to the second sensor
Number obtain Os Draconis positional information particularly as follows:
Described controller determines the front position of Os Draconis according to the first pulse counting signal of first sensor
And pace, when first sensor does not retransmits the first pulse counting signal, start the second sensor
Detect, and continue to determine the front position of Os Draconis according to the second pulse counting signal of the second sensor
And pace,
The Os Draconis position that described controller determines according to first sensor or the second sensor, to cutter mechanism
Send cutting-off controlling signal.
Preferably, described measuring mechanism also includes that lifting mechanism, described lifting mechanism are connected to the second sensing
Device,
When described second sensor is switched to off working state from duty, lifting mechanism passes second
Sensor rises, and away from the measurement position of described splicing platform；
When described second sensor changes to duty earnestly from off working state, lifting mechanism is by second
Sensor falls, and is placed on the measurement position of described splicing platform.
Preferably, described second sensor is positioned close to the position of described pressure rolling mechanism side.
Preferably, described measuring mechanism also includes position detecting switch, and position detecting switch is connected to control
Device, position detecting switch would indicate that whether current location has the detection signal of Os Draconis to be sent to controller；Its
In, before described position detecting switch is arranged on first sensor.
Preferably, described tracking mechanism includes servomotor and the 3rd encoder, servomotor and the 3rd volume
Code device is connected to controller；
The rotating shaft of servomotor connects the horizontal spring of cut-out, and servomotor drives and cuts off the rotation of horizontal spring；
Described cutter mechanism includes cutting knife, cuts off drive mechanism and Qie Tai；Described cutting knife and cut-out driving machine
Structure is fixed on to be cut on platform, described in cut platform and be socketed on the horizontal spring of described cut-out, and the edge when cutting off horizontal spring and rotating
The horizontal spring of described cut-out slides；
Wherein, described cutting knife includes that top cutter and bottom knife, described cut-out drive mechanism include feed electromagnetism
Valve and withdrawing electromagnetic valve, described feed electromagnetic valve control described top cutter and bottom knife perform move toward one another from
And complete cut-out action, described withdrawing electromagnetic valve control described top cutter and bottom knife perform from move from
And complete tool backlash movement.
Preferably, the described running status following the trail of mechanism include chasing after speed state, synchronous regime, deceleration regime,
And carriage return state；Under the control of the controller, under each state above-mentioned, switching is transported in described tracking mechanism
OK；Wherein,
Described tracking mechanism, in chasing after speed state, starts accelerated motion from original position, accelerates through first
Process accelerates to charging rate, and enters synchronous regime；Wherein, described first accelerator is non-even adds
Speed；
Described tracking mechanism, in synchronous regime, keeps the movement velocity identical with charging rate, and is cutting
After cutter mechanism completes cut-out action, enter deceleration regime；
Described tracking mechanism, in deceleration regime, is decelerated to resting state through the first moderating process, goes forward side by side
Enter carriage return state；Wherein, described first moderating process is non-even deceleration；
Described tracking mechanism, in carriage return state, through the second accelerator and the second moderating process, returns
Described original position；Wherein, described second accelerator is non-even acceleration, and described second moderating process is
Non-even deceleration.
Preferably, the described running status following the trail of mechanism also includes initial status；
Described tracking mechanism is in static in initial status, receives, when following the trail of, the startup that controller sends
During signal, described tracking mechanism enters according to enabling signal and chases after speed state.
Preferably for the first accelerator, in the incipient stage of the first accelerator, the acceleration of acceleration
Degree is gradually increased, and in the ending phase of the first accelerator, the acceleration of acceleration is gradually reduced；
For the first moderating process, in the incipient stage of the first moderating process, the acceleration of deceleration gradually increases
Adding, in the ending phase of the first moderating process, the acceleration of deceleration is gradually reduced；
For the second accelerator, in the incipient stage of the second accelerator, the acceleration of acceleration gradually increases
Adding, in the ending phase of the first accelerator, the acceleration of acceleration is gradually reduced；
For the second moderating process, in the incipient stage of the second moderating process, the acceleration of deceleration gradually increases
Adding, in the ending phase of the first moderating process, the acceleration of deceleration is gradually reduced.
Preferably, the described movement velocity following the trail of mechanism uses the motion model of electric cam.
Preferably, after described tracking mechanism enters synchronous regime, cutter mechanism starts cut-out action,
After cutter mechanism completes cut-out action, to controller send cut-out complete signal, described controller according to
Described cut-out completes signal, controls to follow the trail of mechanism and enters deceleration regime.
In order to solve above-mentioned technical problem, the embodiment of the present invention also provides for a kind of Os Draconis cold-rolling mill, described dragon
Bone cold-rolling mill includes feeding mechanism, splicing platform, pressure rolling mechanism and Os Draconis clipping apparatus, it is characterised in that
Described Os Draconis clipping apparatus is any of the above-described Os Draconis clipping apparatus.
The beneficial effect comprise that
In the Os Draconis clipping apparatus of present invention offer and Os Draconis cold-rolling mill, passed by first sensor and second
The collaborative work of sensor, can be when the measurement of first sensor be lost efficacy, i.e. the end of Os Draconis passes through first
After the measurement position that sensor is corresponding, enable the second sensor and continue speed and the length of Os Draconis are carried out
Measuring, the action of now pressure rolling mechanism is complete, and therefore can exit pressure rolling mechanism, and by lifting
Second sensor is moved to measuring position and measuring work by mechanism, thus continues to cut Os Draconis
Disconnected, reduce the raw-material waste of Os Draconis, reduce production cost.Additionally, by optimizing servomotor
The working curve of duty so that working curve the most smooth, the motor speed when starting and stop
The impulsive force that degree change causes is less, also reduces the impulsive force to equipment, therefore slows down and know clearly to equipment
Abrasion.The optimization method that the present invention provides, changes less to original system, implements difficulty low, practical
Effective, system maintenance expense reduces, and improves the working environment of workers.In the present invention, auxiliary by with the addition of
Help the encoder of measurement and optimize the working curve of servomotor, improve the whole utilization of strip steel
Rate, decreases raw-material waste, decreases the loss to the equipment of production, thus reduces production cost,
Improve economic benefit.
Accompanying drawing explanation
The structural representation of a kind of Os Draconis clipping apparatus that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 A is to follow the trail of the mechanism 30 schematic diagram at the curve movement in each stage in prior art；
Fig. 2 B follows the trail of the mechanism 30 signal at the curve movement in each stage for what the embodiment of the present invention provided
Figure.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, the most right
Os Draconis clipping apparatus and Os Draconis cold-rolling mill that the embodiment of the present invention provides are described in detail.
A kind of Os Draconis clipping apparatus that the embodiment of the present invention provides, for cutting the Os Draconis on splicing platform
Disconnected operation.Refer to Fig. 1, for the structural representation of a kind of Os Draconis clipping apparatus that the embodiment of the present invention provides
Figure, as it is shown in figure 1, the Os Draconis clipping apparatus that the embodiment of the present invention provides includes: measuring mechanism, tracking
Mechanism 30, cutter mechanism 50 and controller；Described measuring mechanism includes first sensor 21 and
Two sensors 22；Before described first sensor 21 is arranged on the pressure rolling mechanism of cold-rolling mill, described second
Sensor is arranged between pressure rolling mechanism and the cutter mechanism of cold-rolling mill.Wherein, testing agency is used for obtaining
Os Draconis positional information, Os Draconis positional information includes the transmission length (front end length) of Os Draconis and speed of advancing
Degree.
First sensor 21 and the second sensor 22 are connected to controller, and controller is connected to cutter machine
Structure 50；
Described first sensor 21 is for being sent to controller by the first detection signal；Described second sensing
Device 22 is for being sent to controller by the second detection signal；
Described controller is for the first detection signal acquisition Os Draconis position sent according to first sensor 21
Information, and when the detection of Os Draconis position is beyond the detection range of first sensor 21, according to the second sensing
The second detection signal acquisition Os Draconis positional information that device 22 sends, described controller is additionally operable to according to Os Draconis
Positional information, is sent to cutter mechanism 50 by cutting-off controlling signal.Cutting-off controlling is also believed by described controller
Number send follow the trail of mechanism 30.
In prior art, measuring the transmission length of Os Draconis according to first sensor, controller may determine that dragon
Whether the front end of bone arrives off-position.Due to first sensor from off-position farther out, when the tail of Os Draconis
After end is by first sensor position, first sensor cannot detect the transmission length of Os Draconis, because of
And controller cannot determine whether the front end of Os Draconis arrives off-position, the most both having made that Os Draconis are longer can not
Complete to cut off.And the present invention is after the rear of first sensor is provided with the second sensor, at the tail of Os Draconis
After end is by first sensor position, the second sensor can continue to detect the speed/ transmit of Os Draconis
Length, controller may determine that whether the front end of Os Draconis arrives off-position, thus has continued switching behaviour
Make.
Specifically, the sensor in the embodiment of the present invention includes measuring wheel and encoder, measures wheel and steel band
Being in close contact, measure wheel and rotate with the advance of steel band, encoder is according to the rotation output arteries and veins measuring wheel
Rushing count signal, wherein, first sensor bag 21 includes the first measurement wheel and the first encoder, and second passes
Sensor 22 includes the second measurement wheel and the second encoder, and the first detection signal is the first pulse counting signal,
First detection signal is the first pulse counting signal.
The count value of the pulse counting signal that controller provides according to first sensor or the second sensor and
During sensor rotation one time, the travel distance of Os Draconis determines the transmission length of Os Draconis, and according to the biography of Os Draconis
Length is sent to further determine that the charging rate of Os Draconis.
Wherein, controller, according to the first pulse counting signal or the second pulse counting signal, obtains charging
The positional information of speed and length, i.e. Os Draconis, and according to the speed fed and length, control cutter mechanism
Cut.Wherein, first sensor 21 and the second sensor 22 include the measurement being coaxially disposed respectively
Wheel and encoder.
Specifically, first, when starting to feed, controller obtains charging according to the first pulse counting signal
Speed and length, when described first sensor 21 can't detect Os Draconis, controller is according to the second pulse
Count signal obtains speed and the length of charging, when the second sensor 22 can't detect Os Draconis, represents
Completing the cutting of entire volume raw material coil of strip, Os Draconis clipping apparatus terminates the processing work of current raw material coil of strip.
At first sensor 21 during the second sensor 22 switching, controller is with first sensor
Based on the count value of first pulse counting signal of 21, the second sensor 22 continue counting, i.e. the
Two sensors 22 continue counting on the basis of first sensor 21.Such as, the specification of Os Draconis is 3m,
Therefore, for first sensor 21 and the second sensor 22, Os Draconis often pass by 1mm count a pulse,
Therefore, often counting 3000 then performs rupturing operation once, at first sensor 21 to the second sensor 22
During switching, first sensor 21 has counted 1400, then the second sensor 22 starts counting up from 1400,
When counting down to 3000, after the i.e. second sensor 22 counts 1600 pulses again, controller controls
Shut-off mechanism performs rupturing operation.
When first sensor 21 can't detect Os Draconis, the already out first sensor of end 21 of Os Draconis,
If now putting down cylinder, losing efficacy to the second sensor from first sensor detection and having one starting working
Individual of short duration time slot, brings counting error may to continuous counter during switching, can be according to gap
Length, to second sensor 22 continue counting basic value be corrected, it is also possible to first sensing
One position detecting switch is set before device 21, thus puts down the second sensor in advance.
Specifically, described measuring mechanism also includes position detecting switch, and position detecting switch is connected to control
Device, position detecting switch is for being sent to controller by switching signal；Wherein, in the side advanced along Os Draconis
Upwards, before described position detecting switch is arranged on first sensor.Position detecting switch detection Os Draconis are
No existence, when position detecting switch can't detect Os Draconis, is sent to controller by switching signal, controls
Second sensor is moved to measuring position by device according to described switching signal, notice lifting mechanism；Or,
Switching signal can also be sent to lifting mechanism by position detecting switch, and lifting mechanism is according to described switching letter
Number the second sensor is moved to measuring position.Position detecting switch can be photoswitch, according to Os Draconis
Light is intercepted and judges whether the Os Draconis of correspondence position are covered.Position detecting switch can also be that stroke is opened
Close.
Wherein, can be in the detection of Os Draconis position beyond the to the switching of the second sensor from first sensor
During the detection range of one sensor, i.e. controller does not receives the first step-by-step counting that first sensor sends
Complete during signal, it is also possible to completed before the detection of first sensor is lost efficacy, and thus be avoided that due to switching
Time, the measurement of first sensor and lost efficacy and the second sensor effectively measure start before in the presence of centre
Between poor, and bring the error that Os Draconis position detects.Open by position detecting switch being arranged on position detection
Before pass, can carry previous little time quantum complete switching, thus avoid switching time due to switching time
Between the difference errors produced more.
In the embodiment of the present invention, splicing platform 60 is provided with transfer roller, makes steel by transfer roller
Band or Os Draconis move forward on splicing platform 60.
The embodiment of the present invention also provides for a kind of Os Draconis cold-rolling mill, as it is shown in figure 1, carry for the embodiment of the present invention
The structural representation of the Os Draconis cold-rolling mill of confession, described Os Draconis cold-rolling mill includes: feeding mechanism 10, splicing platform
60, arbitrary Os Draconis clipping apparatus that pressure rolling mechanism 40 and the embodiment of the present invention provide.Pressure rolling mechanism
Os Draconis, for the Os Draconis on splicing platform 60 are carried out pressur rolling forming, are processed into the shape of needs by 40,
After pressure rolling completes, Os Draconis are cut off by cutter mechanism 50 according to predetermined specification size.
Preferably, described second sensor is positioned close to the position of described pressure rolling mechanism side.Due to dragon
Bone is squeezed mechanism in the position that pressure rolling mechanism is corresponding and fixes, and therefore cannot be easily caused losing of step-by-step counting
Lose, the second sensor is arranged on the position close proximity to described pressure rolling mechanism, it is possible to reduce step-by-step counting
Error, improve speed and the precision of linear measure longimetry.
In the embodiment of the present invention, described first sensor 21 is arranged at charging aperture, described second sensing
Before device 22 is arranged on cutter mechanism 50, and the distance between the second sensor 22 and cutter mechanism 50
The specification produced corresponding to Os Draconis, wherein, the distance between the second sensor 22 and cutter mechanism 50 needs
It is greater than the production specification of Os Draconis.Such as, a length of 3m of the Os Draconis of cut-out, then the second sensor 22
Be arranged on cutter mechanism 50 position slightly larger than 3m, generally, a length of the 2 of Os Draconis～6m, then second
Sensor 22 is arranged on the position of 2～6m before cutter mechanism 50.By such setting, Ke Yijin
The waste of possible minimizing spine material.
In the embodiment of the present invention, Os Draconis are delivered on splicing platform 60 by feeding mechanism 10, and along splicing platform
60 advance.From the head end (at charging) of splicing platform 60 to tail end, it is disposed with first sensor 21,
Pressure rolling mechanism the 40, second sensor 22 and the tracking mechanism 30 being set together and cutter mechanism 50.
In the embodiment of the present invention, described measuring mechanism also includes lifting mechanism 24, described lifting mechanism 24
It is connected to the second sensor 22, is switched to off working state at described second sensor 22 from duty
Time, the second sensor 22 is risen by lifting mechanism 24, and away from the measurement position of described splicing platform 60；
When described second sensor 22 changes to duty earnestly from off working state, lifting mechanism 24 is by
Two sensors 22 fall, and are placed on the measurement position of described splicing platform 60.Preferably, described act
Rising mechanism 24 is cylinder.
For pressure rolling mechanism 40, including knobbling rolls and tune roll, when Os Draconis are through pressure rolling mechanism 40
During correspondence position, first pass through knobbling rolls and carry out coarse adjustment, then by adjusting roll to carry out fine tuning, adjust roll to use
In adjustment direction and the given depth of pressure rolling and height, owing to adjusting the frequent adjustment of roll, and need to use
Specific purpose tool is exchanged roll and is adjusted, it is therefore desirable to take between pressure rolling mechanism 40 and cutter mechanism 50
Working place, therefore, first sensor 21 can only be arranged on the front of pressure rolling mechanism 40.
In the embodiment of the present invention, by first sensor 21 and the collaborative work of the second sensor 22, can
With when the measurement of first sensor 21 was lost efficacy, i.e. the end of Os Draconis is by first sensor 21 correspondence
Measure after position, enable the second sensor 22 and continue the speed to Os Draconis and length measures,
Generally, the operation of now pressure rolling mechanism 40 is complete, it is not necessary to frequently adjusts and adjusts roll,
Therefore, the working place between pressure rolling mechanism 40 and cutter mechanism 50 can be accounted for by the second sensor 22
With, therefore by lifting mechanism 24, second sensor 22 can be lowered into measurement position and measure
Work, thus continue Os Draconis are cut off, reduce the raw-material waste of Os Draconis, reduce and produce into
This.
In the embodiment of the present invention, described tracking mechanism 30 includes servomotor 31 and cuts off horizontal spring 32, watches
Take motor 31 and carry the 3rd encoder, for monitoring turning of the horizontal spring 32 of cut-out of servomotor 31 connection
Dynamic position, the 3rd encoder is connected to controller.
The rotating shaft of servomotor 31 connects the horizontal spring 32 of cut-out, and servomotor 31 drives and cuts off horizontal spring 32
Rotate；
Described cutter mechanism 50 includes cutting knife, cuts off drive mechanism (not shown) and Qie Tai 54；
Described cutting knife and cut off drive mechanism and be fixed on and cut on platform 54, described in cut platform 54 and be socketed in and described cut off horizontal stroke
On spring 32, and slide along the horizontal spring of described cut-out 32 when cutting off horizontal spring 32 and rotating；
Wherein, described cutting knife include top cutter 52 and bottom knife 53, described cut-out drive mechanism include into
Cutter electromagnetic valve and withdrawing electromagnetic valve, described feed electromagnetic valve controls described top cutter 52 and bottom knife 53 is held
Row move toward one another thus complete cut-out action, described withdrawing electromagnetic valve controls described top cutter 52 and lower cutter
Sheet 53 performs from motion thus completes tool backlash movement.
In the embodiment of the present invention, the described cycle of cutting off following the trail of mechanism 30 running status includes chasing after speed
State, synchronous regime, deceleration regime and carriage return state, cut off at one and complete in the cycle once to cut
Disconnected action.Described tracking mechanism 30 under the control of the controller, switchover operation under each state above-mentioned；
Wherein,
Described tracking mechanism 30, in chasing after speed state, starts accelerated motion from original position, through first
Accelerator accelerates to charging rate, and enters synchronous regime；Wherein, described first accelerator is non-
Even acceleration；
Described tracking mechanism 30, in synchronous regime, keeps the movement velocity identical with charging rate, and
After cutter mechanism 50 completes cut-out action, enter deceleration regime；
Described tracking mechanism 30, in deceleration regime, is decelerated to resting state through the first moderating process,
And enter carriage return state；Wherein, described first moderating process is non-even deceleration；
Described tracking mechanism 30 is in carriage return state, through the second accelerator and the second moderating process,
Return described original position；Wherein, described second accelerator is non-even acceleration, and described second slowed down
Journey is non-even deceleration.
In the embodiment of the present invention, the described running status following the trail of mechanism 30 also includes initial status；Described
Tracking mechanism 30, after carriage return state terminates, enters initial status,
Described tracking mechanism 30 in be in static, when follow the trail of receive controller send enabling signal
Time, described tracking mechanism 30 enters according to enabling signal and chases after speed state.
In the embodiment of the present invention, for the first accelerator, in the incipient stage of the first accelerator, add
The acceleration of speed is gradually increased, and in the ending phase of the first accelerator, the acceleration of acceleration is gradually reduced；
For the first moderating process, in the incipient stage of the first moderating process, the acceleration of deceleration gradually increases
Adding, in the ending phase of the first moderating process, the acceleration of deceleration is gradually reduced；
For the second accelerator, in the incipient stage of the second accelerator, the acceleration of acceleration gradually increases
Adding, in the ending phase of the first accelerator, the acceleration of acceleration is gradually reduced；
For the second moderating process, in the incipient stage of the second moderating process, the acceleration of deceleration gradually increases
Adding, in the ending phase of the first moderating process, the acceleration of deceleration is gradually reduced.
In the embodiment of the present invention, the described movement velocity following the trail of mechanism 30 uses the motion mould of electric cam
Type.
Refer to Fig. 2 A, for prior art is followed the trail of the mechanism 30 signal at the curve movement in each stage
Figure.Wherein, the longitudinal axis has reacted the movement velocity of cutter mechanism.As in figure 2 it is shown, wherein, (A.1)
For chase after speed state, (A.2) be synchronous regime, (A.3) be deceleration regime, (A.4) and (A.5)
For carriage return state, wherein, carriage return state includes the second accelerator (A.4) and the second moderating process (A.5).
Wherein, in acceleration and the decelerating phase of following the trail of mechanism 30, it is all even acceleration or even deceleration.
Refer to Fig. 2 B, follow the trail of the mechanism 30 motion song in each stage for what the embodiment of the present invention provided
The schematic diagram of line.Wherein, the longitudinal axis has reacted the movement velocity of cutter mechanism, by controlling servomotor 31
Rotating speed, just can control follow the trail of mechanism 30 translational speed.
As shown in Figure 2 B, wherein, (B.1) it is synchronous regime, (B.3) for chasing after speed state, (B.2)
Being carriage return state for deceleration regime, (B.4) and (B.5), wherein, carriage return state includes the second acceleration
Process (B.4) and the second moderating process (B.5).
In the embodiment of the present invention, chase after speed state B.1 before also include initial status, described tracking mechanism
Initial status is in static, when following the trail of the enabling signal receiving controller transmission, described tracking
Mechanism enters according to enabling signal and chases after speed state.
In chasing after speed state (B.1), feeding mechanism 10 persistently carries out feeding, and controller is in detection input
While the length of material and speed, control servomotor 31 and accelerate according to the curve shown in (B.1),
And accelerate to the speed Tong Bu with charging rate, and when accelerating to the speed Tong Bu with charging rate, servo
Motor 31 enters in synchronous regime (B.2), during the control chasing after speed state (B.1), by adjusting
The whole working curve of servomotor 31, the velocity variations making servomotor 31 is more smooth, by with
The former working curve contrast of the servomotor 31 shown in Fig. 2 A, it is found that the curve ratio after optimization
Virgin curve is smooth a lot, can effectively reduce the impact to equipment in servomotor 31 velocity variations engineering.
In synchronous regime (B.2), by servomotor 31 ensure the translational speed of cutter mechanism 50 with
Charging rate keeps synchronizing, thus complete material cut off action.Shape is synchronized when servomotor 31 enters
During state (B.2), controller can send synchronizing signal to cutter mechanism, and cutter mechanism can be according to synchronizing signal
Action is cut off in execution, and meanwhile, controller continues through first sensor 21 or the second sensor 22 is monitored
The speed of charging and length, and keep cutting the platform relative invariant position with spine material, so that it is guaranteed that cut
The flatness of end face, after having cut off, cutting knife automatically exits from, and sends cut-out and complete signal.
In deceleration regime (B.3), controller controls servomotor 31 and subtracts according to predetermined deceleration curve
Speed is to stopping completely.In this process, controller persistently detects the length of charging.Once servomotor
31 stop completely, can immediately enter carriage return state.In the carriage return state procedure returned at a high speed, equally
Have adjusted the working curve of servomotor 31, the work making servomotor 31 is the most smooth, and it is right to reduce
The impact of equipment.
In the embodiment of the present invention, after carriage return state, also include holding state, complete it in carriage return state
After, controller is automatically into holding state, and continues waiting for the next one and cut off the beginning in cycle.
It should be noted that the one that the motion model in Fig. 2 B provides for the embodiment of the present invention is preferred
Motion model, additionally, servomotor 31 can also use other motion model.Controller is according in advance
Curve movement in fixed motion model controls the carrying out of servomotor 31 and rotates.
In the embodiment of the present invention, after described tracking mechanism 30 enters synchronous regime, cutter mechanism 50
Start cut-out action, after cutter mechanism 50 completes cut-out action, send cut-out to controller and complete letter
Number, described controller completes signal according to described cut-out, controls to follow the trail of mechanism 30 and enters deceleration regime.
Wherein, the encoder in described first sensor 21 and the second sensor 22 can use 2500
The differential encoder of the A/B phase of line.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and showing of using
Example embodiment, but the invention is not limited in this.For one of ordinary skilled in the art
Speech, without departing from the spirit and substance in the present invention, can make various modification and improvement, this
A little modification and improvement are also considered as protection scope of the present invention.
Claims (12)
1. an Os Draconis clipping apparatus, described Os Draconis chase after the system of cutting and include: be used for obtaining detection Os Draconis and pass
Send measurement of length mechanism, follow the trail of mechanism, cutter mechanism and controller；It is characterized in that,
Described measuring mechanism includes first sensor and the second sensor；Described first sensor is arranged on cold
Before the pressure rolling mechanism of milling train, described second sensor is arranged on pressure rolling mechanism and the cutter mechanism of cold-rolling mill
Between,
First sensor and the second sensor are connected to controller, and controller is connected to cutter mechanism；
First detection signal is sent to controller by described first sensor；Described second sensor is by second
Detection signal is sent to controller；
Described controller is for the first detection signal acquisition Os Draconis position letter sent according to first sensor
Breath, and when the detection of Os Draconis position is beyond the detection range of first sensor, send according to the second sensor
Second detection signal acquisition Os Draconis positional information, described controller is additionally operable to according to Os Draconis positional information,
Cutting-off controlling signal is sent to cutter mechanism.
2. Os Draconis clipping apparatus as claimed in claim 1, it is characterised in that described first detection letter
Number be specially the first pulse counting signal, described second detection signal is specially the second pulse counting signal,
Described the first detection signal acquisition Os Draconis positional information sent according to first sensor, and at Os Draconis
When position detection exceeds the detection range of first sensor, the second detection letter sent according to the second sensor
Number obtain Os Draconis positional information particularly as follows:
Described controller determines the front position of Os Draconis according to the first pulse counting signal of first sensor
And pace, when first sensor does not retransmits the first pulse counting signal, start the second sensor
Detect, and continue to determine the front position of Os Draconis according to the second pulse counting signal of the second sensor
And pace,
The Os Draconis position that described controller determines according to first sensor or the second sensor, to cutter mechanism
Send cutting-off controlling signal.
3. Os Draconis clipping apparatus as claimed in claim 1, it is characterised in that described measuring mechanism is also
Including lifting mechanism, described lifting mechanism is connected to the second sensor,
When described second sensor is switched to off working state from duty, lifting mechanism passes second
Sensor rises, and away from the measurement position of described splicing platform；
When described second sensor changes to duty earnestly from off working state, lifting mechanism is by second
Sensor falls, and is placed on the measurement position of described splicing platform.
4. Os Draconis clipping apparatus as claimed in claim 1, it is characterised in that described second sensor
It is positioned close to the position of described pressure rolling mechanism side.
5. Os Draconis clipping apparatus as claimed in claim 3, it is characterised in that described measuring mechanism is also
Including position detecting switch, position detecting switch is connected to controller, and position detecting switch would indicate that currently
Whether position has the detection signal of Os Draconis to be sent to controller；Wherein, described position detecting switch is arranged on
Before first sensor.
6. Os Draconis clipping apparatus as claimed in claim 1, it is characterised in that described tracking mechanism wraps
Include servomotor and the 3rd encoder, servomotor and the 3rd encoder are connected to controller；
The rotating shaft of servomotor connects the horizontal spring of cut-out, and servomotor drives and cuts off the rotation of horizontal spring；
Described cutter mechanism includes cutting knife, cuts off drive mechanism and Qie Tai；Described cutting knife and cut-out driving machine
Structure is fixed on to be cut on platform, described in cut platform and be socketed on the horizontal spring of described cut-out, and the edge when cutting off horizontal spring and rotating
The horizontal spring of described cut-out slides；
Wherein, described cutting knife includes that top cutter and bottom knife, described cut-out drive mechanism include feed electromagnetism
Valve and withdrawing electromagnetic valve, described feed electromagnetic valve control described top cutter and bottom knife perform move toward one another from
And complete cut-out action, described withdrawing electromagnetic valve control described top cutter and bottom knife perform from move from
And complete tool backlash movement.
7. Os Draconis clipping apparatus as claimed in claim 1, it is characterised in that described tracking mechanism
Running status includes chasing after speed state, synchronous regime, deceleration regime and carriage return state；Described tracking machine
Structure under the control of the controller, switchover operation under each state above-mentioned；Wherein,
Described tracking mechanism, in chasing after speed state, starts accelerated motion from original position, accelerates through first
Process accelerates to charging rate, and enters synchronous regime；Wherein, described first accelerator is non-even adds
Speed；
Described tracking mechanism, in synchronous regime, keeps the movement velocity identical with charging rate, and is cutting
After cutter mechanism completes cut-out action, enter deceleration regime；
Described tracking mechanism, in deceleration regime, is decelerated to resting state through the first moderating process, goes forward side by side
Enter carriage return state；Wherein, described first moderating process is non-even deceleration；
Described tracking mechanism, in carriage return state, through the second accelerator and the second moderating process, returns
Described original position；Wherein, described second accelerator is non-even acceleration, and described second moderating process is
Non-even deceleration.
8. Os Draconis clipping apparatus as claimed in claim 7, it is characterised in that described tracking mechanism
Running status also includes initial status；
Described tracking mechanism is in static in initial status, receives, when following the trail of, the startup that controller sends
During signal, described tracking mechanism enters according to enabling signal and chases after speed state.
9. Os Draconis clipping apparatus as claimed in claim 7, it is characterised in that
For the first accelerator, in the incipient stage of the first accelerator, the acceleration of acceleration gradually increases
Adding, in the ending phase of the first accelerator, the acceleration of acceleration is gradually reduced；
For the first moderating process, in the incipient stage of the first moderating process, the acceleration of deceleration gradually increases
Adding, in the ending phase of the first moderating process, the acceleration of deceleration is gradually reduced；
For the second accelerator, in the incipient stage of the second accelerator, the acceleration of acceleration gradually increases
Adding, in the ending phase of the first accelerator, the acceleration of acceleration is gradually reduced；
For the second moderating process, in the incipient stage of the second moderating process, the acceleration of deceleration gradually increases
Adding, in the ending phase of the first moderating process, the acceleration of deceleration is gradually reduced.
10. Os Draconis clipping apparatus as claimed in claim 7, it is characterised in that described tracking mechanism
Movement velocity uses the motion model of electric cam.
11. Os Draconis clipping apparatus as claimed in claim 7, it is characterised in that when described tracking mechanism
After entering synchronous regime, cutter mechanism starts cut-out action, after cutter mechanism completes cut-out action,
Sending cut-out to controller and complete signal, described controller completes signal according to described cut-out, controls to follow the trail of
Mechanism enters deceleration regime.
12. 1 kinds of Os Draconis cold-rolling mills, described Os Draconis cold-rolling mill includes feeding mechanism, splicing platform, rolling press
Structure and Os Draconis clipping apparatus, it is characterised in that described Os Draconis clipping apparatus is in claim 1～11
Os Draconis clipping apparatus described in any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510250601.2A CN106270743B (en) | 2015-05-15 | 2015-05-15 | A kind of keel clipping apparatus and keel cold-rolling mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510250601.2A CN106270743B (en) | 2015-05-15 | 2015-05-15 | A kind of keel clipping apparatus and keel cold-rolling mill |
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| CN106270743B CN106270743B (en) | 2018-07-27 |
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| CN111459087A (en) * | 2020-03-31 | 2020-07-28 | 江苏帕尔默智能科技有限公司 | Control system of cold roll forming machine |
| CN111679633A (en) * | 2020-06-19 | 2020-09-18 | 重庆大学 | Material chasing and shearing control method based on active disturbance rejection |
| CN113843589A (en) * | 2021-09-30 | 2021-12-28 | 上海豪企科技有限公司 | Traceability device and technological method for light steel keel |
| CN115091513A (en) * | 2022-07-08 | 2022-09-23 | 北新建材(昆明)有限公司 | Automatic-alignment gypsum board edge sealing belt cutter device and method |
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| CN115091513A (en) * | 2022-07-08 | 2022-09-23 | 北新建材(昆明)有限公司 | Automatic-alignment gypsum board edge sealing belt cutter device and method |
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|---|---|
| CN106270743B (en) | 2018-07-27 |
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Effective date of registration: 20230404 Address after: 453000 industrial cluster area, Tangzhuang Town, Weihui City, Xinxiang City, Henan Province Patentee after: XINXIANG BEIXIN BUILDING MATERIAL CO.,LTD. Address before: 102208 Longguan real estate building, 118 Huilongguan West Street, Changping District, Beijing Patentee before: BEIJING NEW BUILDING MATERIALS PLC |