CN103938405B - A kind of shearing machine tension force real-time control system and control method - Google Patents
A kind of shearing machine tension force real-time control system and control method Download PDFInfo
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- CN103938405B CN103938405B CN201410175668.XA CN201410175668A CN103938405B CN 103938405 B CN103938405 B CN 103938405B CN 201410175668 A CN201410175668 A CN 201410175668A CN 103938405 B CN103938405 B CN 103938405B
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Abstract
The invention discloses a kind of shearing machine tension force real-time control system and control method, including PLC, described PLC is connected with person-computer union by RS232 serial port communication line；The high-speed pulse output mouth of described PLC is connected with servo-driven module by circuit；Described PLC is connected with frequency conversion drive module by RS485 bus；Described PLC is connected with velocity measuring module, tension force detection module, metal detector and seam detector by circuit the most respectively.The present invention by entering cloth rewinder roll, front guide roll, bristle roller, edge guide, cropping roller, rear deflector roll, the rotating speed of draw-out roller control in real time, it is achieved accurately controlling and step-less adjustment of cloth tension, make cropping the most accurate, reduce height error.
Description
Technical field
The present invention relates to control system and the control method of a kind of shearing machine, particularly relate to a kind of shearing machine tension force and control in real time
System processed and control method, belong to field of electric control.
Background technology
Shearing machine is one of the capital equipment in spinning post-finishing processing, shearing machine mainly include into cloth rewinder roll, front guide roll,
Bristle roller, edge guide, cropping roller, rear deflector roll, these devices of draw-out roller.Fabric through raising machine napping process after, fabric
Surface forms fine hair different in size, and these fine hair are carried out cut-to-length to improve its product quality by the effect of shearing machine exactly
And class.Since last decade, the textile industry of China obtains large development, and the paces of industrial upgrading are gradually accelerated.Dyeing and finishing row
Industry, as an important ring of textile manufacturing, the most progressively transfers technology-intensive type to from scale enlargement type.Shearing machine is as Product processing
Finishing operation, be directly connected to product quality, therefore must design the control system of a set of high efficient and reliable.
In shearing machine, enter the live-roller that cloth rewinder roll, front guide roll, rear deflector roll and draw-out roller are shearing machines, travel across at cloth
Playing transmission effect, bristle roller and cropping roller in journey and each serve as the bristle of cloth and the effect of cropping, edge guide is mainly protected
Card cloth direct of travel will not sideslip.Cropping height is the important parameter determining cropping effect quality, and it needs each to control mould
Block cooperates, coordinated operation, could realize the accurate of cropping height.Tension force control to cropping height order of accuarcy play to
Closing important effect, tension force is unstable, can cause cloth stretcher strain, make cropping highly non-uniform, and design on fabric surface fine hair is irregular
Uneven.So, it is achieved the control in real time of shearing machine tension force is the key of cropping technology.Domestic existing shearing machine uses change mostly
Frequently control system, there is tension force and controls the defects such as unstable, precision is low, fault is many, affect product quality in this control system
Promote.
Summary of the invention
Present invention aim at providing a kind of shearing machine tension force real-time control system and control method, the present invention is by right
Enter cloth rewinder roll, front guide roll, bristle roller, edge guide, cropping roller, rear deflector roll, the rotating speed of draw-out roller control in real time, it is achieved cloth is opened
Accurately controlling and step-less adjustment of power, makes cropping the most accurate, reduces height error.
In order to achieve the above object, the technical scheme is that
A kind of shearing machine tension force real-time control system, including PLC, described PLC passes through RS232 serial ports
Connection is connected with person-computer union；The high-speed pulse output mouth of described PLC passes through circuit and servo-drive
Module is connected；Described PLC is connected with frequency conversion drive module by RS485 bus；Described PLC is also distinguished
It is connected with velocity measuring module, tension force detection module, metal detector and seam detector by circuit.
Described servo-driven module includes driving into cloth rewinder roll servo-driver, front guide roll servo-driver, bristle roller servo
Dynamic device, cropping roller servo-driver, rear deflector roll servo-driver and draw-out roller servo-driver；And described cloth rewinder roll servo of entering drives
Move device, front guide roll servo-driver, bristle roller servo-driver, cropping roller servo-driver, rear deflector roll servo-driver and go out
Cloth rewinder roll servo-driver is connected with the high-speed pulse output mouth of PLC by circuit respectively；The wherein said cloth rewinder roll that enters is watched
Take driver to be connected with entering cloth rewinder roll servomotor by circuit；Described front guide roll servo-driver is watched with front guide roll by circuit
Take motor to be connected；Described bristle roller servo-driver is connected with bristle roller servomotor by circuit；Described cropping roller is watched
Take driver to be connected with cropping roller servomotor by circuit；Described rear deflector roll servo-driver is watched with rear deflector roll by circuit
Take motor to be connected；Draw-out roller servo-driver is connected with draw-out roller servomotor by circuit.
Described frequency conversion drive module includes that bristle Height Adjustment frequency converter, cropping Height Adjustment frequency converter, flat cutter swing
Frequency converter and edge guide frequency converter；And described bristle Height Adjustment frequency converter, cropping Height Adjustment frequency converter, flat cutter swing and become
Frequently device is connected with PLC by RS485 bus with edge guide frequency converter；Described bristle Height Adjustment frequency converter passes through line
Road is connected with bristle Height Adjustment motor；Described cropping Height Adjustment frequency converter passes through circuit and cropping Height Adjustment motor phase
Even；Described flat cutter is swung frequency converter and is connected with flat cutter oscillating motor by circuit；Described edge guide frequency converter passes through circuit
It is connected with edge guide motor.
Described velocity measuring module includes testing the speed biography into cloth rewinder roll tachogenerator, front guide roll tachogenerator, bristle roller
Sensor, cropping roller tachogenerator, rear deflector roll tachogenerator and draw-out roller tachogenerator；The wherein said cloth rewinder roll that enters tests the speed
Sensor, front guide roll tachogenerator, bristle roller tachogenerator, cropping roller tachogenerator, rear deflector roll tachogenerator and
Draw-out roller tachogenerator is connected with PLC by circuit respectively.
Described tension force detection module includes opening into cloth section tension pick-up, front selvage guide section tension pick-up and rear selvage guide section
Force snesor；Wherein said enter cloth section tension pick-up, front selvage guide section tension pick-up and rear selvage guide section tension pick-up divide
Tong Guo not be connected with PLC by circuit.
The control method of a kind of shearing machine tension force real-time control system, comprises the steps: to start shearing machine, according to need
Want, by person-computer union to entering cloth rewinder roll, front guide roll, bristle roller, cropping roller, rear deflector roll and draw-out roller on shearing machine
Parameter is set；After shearing machine starts, enter the rotating speed of cloth rewinder roll, front guide roll, bristle roller, cropping roller, rear deflector roll and draw-out roller by
PLC controls in real time；Entering cloth rewinder roll, front guide roll, rear deflector roll and draw-out roller is the live-roller of shearing machine, passes cloth
Pass；When cloth enter shearing machine enter cloth rewinder roll after, by entering between cloth rewinder roll and front guide roll install metal detector, to cloth
Carry out metal detection, whether detection cloth has metal fragment entrainment and signal is fed back to PLC, when finding cloth
In have metal fragment entrainment after send fault alarm and PLC in time and perform the operation that shearing machine is out of service, as not having
Metal entrainment being detected, cloth continues to be transported into front guide roll, by installing seam between front guide roll and bristle roller
Detector carries out seam to the cloth of process and detects in real time, during as detected that seam is passed through, sends alarm signal to PLC control
Device, is t by PLC record current time0, cloth enters cropping roller from seam detector row and requires time for as t(by cropping
Machine frame for movement determines, the value of t is the seam detector business to cropping roller distance s Yu current cloth speed v), when arriving (t0 + t) time
Carving, when cloth advances to cropping roller, PLC sends cutter lifting signal to cropping Height Adjustment frequency converter, driving cropping height
Adjust motor and raise cropping roller, allow seam pass through, in order to avoid the hair clipper damaged on cropping roller；After seam detector, bristle
Roller carries out bristle process to cloth, remove the wandering fibre of design on fabric surface attachment and chip and by the pull-out of design on fabric surface fine hair with
Just shearing, napping height can be regulated by bristle Height Adjustment Frequency Converter Control bristle Height Adjustment motor positive and inverse；Brush
After Mao, cloth enters edge guide, ensures cloth direct of travel by edge guide Frequency Converter Control edge guide motor positive and inverse
Will not sideslip, then cloth is through cropping roller, carries out cropping process, cropping by the cooperation of the hair clipper peace cutter on cropping roller
Height can be regulated by cropping Height Adjustment Frequency Converter Control cropping Height Adjustment motor positive and inverse, the cloth after cropping,
Pass in succession through rear deflector roll and draw-out roller forms last finished product；Cloth, during advancing, passes through testing the speed of each correspondence respectively
Sensor records each live-roller, bristle roller and the tachometer value of cropping roller in real time, and the tachometer value recorded is sent back to PLC control
Device, tachometer value is compared by PLC with setup parameter, and (these computational methods are known to use PID to control computational methods
Understand thoroughly algorithm), calculate the adjustment of rotational speed value of each live-roller, bristle roller and cropping roller, adjustment of rotational speed value is converted into by PLC
Pulse signal, is sent to the servo-driver of respective rollers by high-speed pulse output port, is adjusted by servo-driver and watches
Take the rotating speed of roller corresponding to motor, make the speed of each roller and setting value always consistent in shearing machine running, from
And ensure constant tension and bristle in shearing machine running process and cropping process after cloth fine hair smooth；Described each biography
Record tension value also by corresponding installation tension sensor respectively between action roller, and the tension value these recorded is transferred to PLC
Controller, the tension value detected according to mentioned strain sensor compares with the tension value of setting, and PLC is by tension force
Difference is converted into pulse signal, is sent to the servo-driver of corresponding live-roller by high-speed pulse output port, passes through servo
Driver changes corresponding servomotor rotating speed and live-roller rotating speed is carried out Tensity size regulation.
The invention has the beneficial effects as follows: in shearing machine tension control system of the present invention and control method, use Speed Chain
Control mode, records the tachometer value of each live-roller by tachogenerator, on the basis of the linear velocity entering cloth rewinder roll, before arranging
Deflector roll, rear deflector roll and the coefficient of tension of draw-out roller, i.e. can reach the step-less adjustment of tension force.Control computational methods by PID to calculate
Each live-roller adjustment of rotational speed value of each live-roller, it is ensured that in shearing machine running, each live-roller rotating speed is constant, thus realizes
Shearing machine tension force constant.Present system reliability is high, and tension force controls stable, precision height, failure rate is low, improves shearing machine
Electromechanical integration degree, be greatly improved production efficiency and the stability of a system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the selvage guide process schematic under the present invention controls；
Fig. 3 is the PLC program flow chart of the present invention.
Detailed description of the invention
Embodiment 1
A kind of shearing machine tension force real-time control system of the present embodiment, as it is shown in figure 1, include PLC 1, described
PLC 1 is connected with person-computer union 2 by RS232 serial port communication line, and the input and output of PLC 1 are to pass through
Person-computer union 2 realizes, and person-computer union 2 realizes the control to PLC 1 by arranging operational factor
System, and the operation conditions of PLC 1 is monitored in real time；The high-speed pulse output mouth of described PLC 1 leads to
Cross circuit to be connected with servo-driven module 3；Described PLC 1 is connected with frequency conversion drive module 4 by RS485 bus；Institute
The PLC 1 stated is visited with velocity measuring module 5, tension force detection module 6, metal detector 7 and seam by circuit the most respectively
Survey device 8 to be connected；Described metal detector 7 and seam detector 8 carry out the detection of metal, seam respectively to cloth, the most instead
Feed PLC 1, carry out alarm failure process.
Described servo-driven module 3 includes watching into cloth rewinder roll servo-driver 31, front guide roll servo-driver 32, bristle roller
Take driver 33, cropping roller servo-driver 34, rear deflector roll servo-driver 35 and draw-out roller servo-driver 36；And it is described
Enter cloth rewinder roll servo-driver 31, front guide roll servo-driver 32, bristle roller servo-driver 33, cropping roller servo-driver 34,
Rear deflector roll servo-driver 35 and draw-out roller servo-driver 36 are respectively by the high-speed pulse output of circuit with PLC 1
Mouth is connected；The wherein said cloth rewinder roll servo-driver 31 that enters is connected with entering cloth rewinder roll servomotor 37 by circuit；Described is leading
Roller servo-driver 32 is connected with front guide roll servomotor 38 by circuit；Described bristle roller servo-driver 33 passes through circuit
It is connected with bristle roller servomotor 39；Described cropping roller servo-driver 34 is by circuit and cropping roller servomotor 310 phase
Even；Described rear deflector roll servo-driver 35 is connected with rear deflector roll servomotor 311 by circuit；Draw-out roller servo-driver 36
It is connected with draw-out roller servomotor 312 by circuit.
Described frequency conversion drive module 4 includes bristle Height Adjustment frequency converter 41, cropping Height Adjustment frequency converter 42, flat cutter
Swing frequency converter 43 and edge guide frequency converter 44；And described bristle Height Adjustment frequency converter 41, cropping Height Adjustment frequency converter
42, flat cutter swing frequency converter 43 is connected with PLC 1 by RS485 bus with edge guide frequency converter 44；Described bristle is high
Degree is adjusted frequency converter 41 and is connected with bristle Height Adjustment motor 45 by circuit；Described cropping Height Adjustment frequency converter 42 passes through
Circuit is connected with cropping Height Adjustment motor 46；Described flat cutter swings frequency converter 43 by circuit and flat cutter oscillating motor 47 phase
Even；Described edge guide frequency converter 44 is connected with edge guide motor 48 by circuit.
The PLC 1 of the present embodiment can each servo-driver of synchronization of access and each frequency converter, to ensure each motor
Collaboration.
Described velocity measuring module 5 includes surveying into cloth rewinder roll tachogenerator 51, front guide roll tachogenerator 52, bristle roller
Speed sensor 53, cropping roller tachogenerator 54, rear deflector roll tachogenerator 55 and draw-out roller tachogenerator 56；Wherein said
Enter cloth rewinder roll tachogenerator 51, front guide roll tachogenerator 52, bristle roller tachogenerator 53, cropping roller tachogenerator
54, rear deflector roll tachogenerator 55 is connected with PLC 1 by circuit respectively with draw-out roller tachogenerator 56；Test the speed biography
The rotating speed of each live-roller is detected by sensor in real time, and detect tachometer value issues PLC 1, PLC
1 needs to make adjustment the motor speed of corresponding live-roller according to actual tension, it is achieved constant tension.
Described tension force detection module 6 include into cloth section tension pick-up 61, front selvage guide section tension pick-up 62 and after lead
Cloth section tension pick-up 63；Wherein said enters cloth section tension pick-up 61, front selvage guide section tension pick-up 62 and rear selvage guide section
Tension pick-up 63 is connected with PLC 1 by circuit respectively；Each tension pick-up carries out tension force detection to cloth respectively,
Detect tension value issues PLC 1,1 actual tension value of PLC compares with the tension value of setting,
Tensity size regulation is carried out again by the corresponding live-roller motor speed of change.
The control method of a kind of shearing machine tension force real-time control system of the present embodiment, as Figure 1-3, including walking as follows
Rapid: to start shearing machine, as required, by person-computer union 2 to entering cloth rewinder roll, front guide roll, bristle roller, cut on shearing machine
The parameter of hair roller, rear deflector roll and draw-out roller is set；Shearing machine start after, enter cloth rewinder roll, front guide roll, bristle roller, cropping roller, after
The rotating speed of deflector roll and draw-out roller is controlled in real time by PLC 1；Entering cloth rewinder roll, front guide roll, rear deflector roll and draw-out roller is shearing machine
Live-roller, transmits cloth；When cloth enter shearing machine enter cloth rewinder roll after, by entering between cloth rewinder roll and front guide roll install
Metal detector 7, carries out metal detection, whether has metal fragment entrainment and signal is fed back in detection cloth cloth
PLC 1, sends fault alarm in time after finding to have metal fragment entrainment in cloth and PLC 1 performs cropping
The operation that machine is out of service, as being not detected by metal entrainment, cloth continues to be transported into front guide roll, by front guide roll
And seam detector 8 is installed between bristle roller the cloth of process is carried out seam detects in real time, during as detected that seam is passed through,
Signal feeds back to PLC 1 in time, sends alarm signal to PLC, PLC 1 recording current time is
t0, cloth advances to cropping roller from seam detector 8 and requires time for being determined by shearing machine frame for movement for t(, and the value of t is seam
Detector 8 is to the business of cropping roller distance s with current cloth speed v), when arriving (t0 + t) moment, when cloth advances to cropping roller, PLC
Controller 1 sends cutter lifting signal and raises cropping roller to cropping Height Adjustment frequency converter 42, driving cropping Height Adjustment motor 46, allow
Seam is passed through, in order to avoid the hair clipper damaged on cropping roller；After seam detector 8, bristle roller carries out bristle process to cloth,
Remove design on fabric surface attachment wandering fibre and chip and by design on fabric surface fine hair pull out to shear, napping height can lead to
Cross bristle Height Adjustment frequency converter 41 and control that bristle Height Adjustment motor 45 is positive and negative transfers regulation；After bristle, cloth enters to be inhaled
Limit device, by edge guide frequency converter 44 control edge guide motor 48 positive and negative transfer guarantee cloth direct of travel will not sideslip, then
Cloth, through cropping roller, carries out cropping process by the cooperation of the hair clipper peace cutter on cropping roller, and cropping height can be by cutting
Hair Height Adjustment frequency converter 42 controls that cropping Height Adjustment motor 46 is positive and negative transfers regulation, and the cloth after cropping passes in succession through
Rear deflector roll and draw-out roller form last finished product.Cloth advance during, enter cloth rewinder roll, front guide roll, bristle roller, cropping roller,
Respectively by entering cloth rewinder roll tachogenerator 51, front guide roll tachogenerator 52, bristle roller tachogenerator on rear deflector roll, draw-out roller
53, cropping roller tachogenerator 54, rear deflector roll tachogenerator 55 and draw-out roller tachogenerator 56 record each live-roller in real time
Tachometer value, and the tachometer value recorded is sent back to PLC 1, and compares with setup parameter, use PID to control meter
Calculation method, calculates the adjustment of rotational speed value of each live-roller, bristle roller and cropping roller, and adjustment of rotational speed value is converted into arteries and veins by PLC 1
Rush signal, be sent to the servo-driver of above-mentioned respective rollers by high-speed pulse output port, adjusted by servo-driver
The rotating speed of the roller corresponding to whole servomotor, makes the speed of each roller and setting value remain one in shearing machine running
Cause, thus ensure constant tension and bristle in shearing machine running process and cropping process after cloth fine hair smooth；Described
Enter and record the tension value into cloth section, at front guide roll and brush by being installed into cloth section tension pick-up 61 between cloth rewinder roll and front guide roll
The tension value of front selvage guide section is recorded, between rear deflector roll and draw-out roller by selvage guide section tension pick-up 62 before installing between hair roller
Record the tension value of rear selvage guide section by selvage guide section tension pick-up 63 after installing, and the tension value these recorded is transferred to
PLC 1, the tension value detected according to mentioned strain sensor compares with the tension value of setting, PLC 1
Tension force difference is converted into pulse signal, is sent to the servo-driver of corresponding live-roller by high-speed pulse output port, logical
Cross servo-driver, to change corresponding servomotor rotating speed, live-roller rotating speed is carried out Tensity size regulation.The present embodiment tension force system
Number is relevant with the speed of each live-roller, the actual or linear velocity by each live-roller of change, makes to be formed between them speed difference,
Realize the regulation of tension force.
The present embodiment is a closed loop revolution speed control system, improves control accuracy, crucial by detection cloth in real time
The Tensity size of position, is carried out data process by PLC 1, and sends data to corresponding live-roller motor, carry out tension force
Regulation, so that tension force is more stable in shearing machine running.By using the PD of manual intervention to control computational methods, right
Pid control algorithm computing formula processes, and obtains the value of △ U, and Δ U is the adjusted value in each sampling period.Benefit by Δ U
Repay, make constant tension.The system reliability of the present embodiment is high, and tension force controls stable, precision height, failure rate is low, improves cropping
The electromechanical integration degree of machine, is greatly improved production efficiency and the stability of a system.
Claims (5)
1. a shearing machine tension force real-time control system, it is characterised in that: include PLC (1), described PLC
(1) it is connected with person-computer union (2) by RS232 serial port communication line；The high-speed pulse of described PLC (1) is defeated
Outlet is connected with servo-driven module (3) by circuit；Described PLC (1) is by RS485 bus and frequency conversion drive mould
Block (4) is connected；Described PLC (1) the most respectively by circuit and velocity measuring module (5), tension force detection module (6),
Metal detector (7) is connected with seam detector (8)；Described servo-driven module (3) includes into cloth rewinder roll servo-driver
(31), front guide roll servo-driver (32), bristle roller servo-driver (33), cropping roller servo-driver (34), rear deflector roll are watched
Take driver (35) and draw-out roller servo-driver (36)；And described enter cloth rewinder roll servo-driver (31), front guide roll servo is driven
Move device (32), bristle roller servo-driver (33), cropping roller servo-driver (34), rear deflector roll servo-driver (35) and go out cloth
Roller servo-driver (36) is connected with the high-speed pulse output mouth of PLC (1) by circuit respectively；Wherein said enters cloth
Roller servo-driver (31) is connected with entering cloth rewinder roll servomotor (37) by circuit；Described front guide roll servo-driver (32) leads to
Cross circuit to be connected with front guide roll servomotor (38)；Described bristle roller servo-driver (33) is by circuit and bristle roller servo
Motor (39) is connected；Described cropping roller servo-driver (34) is connected with cropping roller servomotor (310) by circuit；Described
Rear deflector roll servo-driver (35) be connected with rear deflector roll servomotor (311) by circuit；Draw-out roller servo-driver (36)
It is connected with draw-out roller servomotor (312) by circuit.
2. a kind of shearing machine tension force real-time control system as claimed in claim 1, it is characterised in that: described frequency conversion drive mould
Block (4) includes that bristle Height Adjustment frequency converter (41), cropping Height Adjustment frequency converter (42), flat cutter swing frequency converter (43) and inhale
Limit device frequency converter (44)；And described bristle Height Adjustment frequency converter (41), cropping Height Adjustment frequency converter (42), flat cutter swing
Frequency converter (43) is connected with PLC (1) by RS485 bus with edge guide frequency converter (44)；Described bristle height is adjusted
Whole frequency converter (41) is connected with bristle Height Adjustment motor (45) by circuit；Described cropping Height Adjustment frequency converter (42) is led to
Cross circuit to be connected with cropping Height Adjustment motor (46)；Described flat cutter swings frequency converter (43) and swings electricity by circuit with flat cutter
Machine (47) is connected；Described edge guide frequency converter (44) is connected with edge guide motor (48) by circuit.
3. a kind of shearing machine tension force real-time control system as claimed in claim 1, it is characterised in that: described velocity measuring mould
Block (5) includes into cloth rewinder roll tachogenerator (51), front guide roll tachogenerator (52), bristle roller tachogenerator (53), cropping
Roller tachogenerator (54), rear deflector roll tachogenerator (55) and draw-out roller tachogenerator (56)；Wherein said enters cloth rewinder roll
Tachogenerator (51), front guide roll tachogenerator (52), bristle roller tachogenerator (53), cropping roller tachogenerator
(54), rear deflector roll tachogenerator (55) and draw-out roller tachogenerator (56) are respectively by circuit and PLC (1) phase
Even.
4. a kind of shearing machine tension force real-time control system as claimed in claim 1, it is characterised in that: described tension force detection mould
Block (6) includes into cloth section tension pick-up (61), front selvage guide section tension pick-up (62) and rear selvage guide section tension pick-up (63)；
Wherein said enters cloth section tension pick-up (61), front selvage guide section tension pick-up (62) and rear selvage guide section tension pick-up (63)
It is connected with PLC (1) by circuit respectively.
5. the control method of a shearing machine tension force real-time control system, it is characterised in that comprise the steps: to start shearing machine,
As required, by person-computer union (2) to entering cloth rewinder roll, front guide roll, bristle roller, cropping roller, rear deflector roll on shearing machine
It is set with the parameter of draw-out roller；After shearing machine starts, enter cloth rewinder roll, front guide roll, bristle roller, cropping roller, rear deflector roll and go out cloth
The rotating speed of roller is controlled in real time by PLC (1)；When cloth enter shearing machine enter cloth rewinder roll after, by entering cloth rewinder roll and leading
Metal detector (7) is installed between roller, cloth is carried out metal detection, whether detection cloth has metal fragment entrainment handle
Signal feeds back to PLC (1), sends fault alarm and PLC control after finding to have metal fragment entrainment in cloth in time
Device processed (1) performs shearing machine operation out of service, and as being not detected by metal entrainment, cloth continues to be transported into leading
Roller, carries out seam by installation seam detector (8) between front guide roll and bristle roller to the cloth of process and detects in real time, work as inspection
Measure seam when passing through, signal is fed back in time PLC (1), PLC (1) record current time is t0,
Cloth advances to cropping roller from seam detector (8) and requires time for as t, when arriving (t0+ t) moment, cloth advances to cropping roller
Time, PLC (1) sends cutter lifting signal to cropping Height Adjustment frequency converter (42), driving cropping Height Adjustment motor (46)
Raise cropping roller, allow seam pass through, in order to avoid the hair clipper damaged on cropping roller；After seam detector (8), bristle roller is to cloth
Material carries out bristle process, removes the wandering fibre of design on fabric surface attachment and chip and pulls out design on fabric surface fine hair to cut
Cutting, napping height can transfer tune by bristle Height Adjustment frequency converter (41) control bristle Height Adjustment motor (45) is positive and negative
Joint；After bristle, cloth enters edge guide, transfers guarantee by edge guide frequency converter (44) control edge guide motor (48) is positive and negative
Cloth direct of travel will not sideslip, then cloth is through cropping roller, is carried out by the cooperation of the hair clipper peace cutter on cropping roller
Cropping processes, and cropping height can transfer by cropping Height Adjustment frequency converter (42) control cropping Height Adjustment motor (46) is positive and negative
Regulation, the cloth after cropping, passes in succession through rear deflector roll and draw-out roller forms last finished product；Cloth advance during,
Enter on cloth rewinder roll, front guide roll, bristle roller, cropping roller, rear deflector roll, draw-out roller respectively by entering cloth rewinder roll tachogenerator (51), leading
Roller tachogenerator (52), bristle roller tachogenerator (53), cropping roller tachogenerator (54), rear deflector roll tachogenerator
(55) and draw-out roller tachogenerator (56) records the tachometer value of each roller in real time, and the tachometer value recorded is sent back to PLC control
Device (1), and compare with setup parameter, use PID to control computational methods, calculate the adjustment of rotational speed value of each roller, controlled by PLC
Adjustment of rotational speed value is converted into pulse signal by device processed (1), is sent to watching of above-mentioned respective rollers by high-speed pulse output port
Take driver, adjusted the rotating speed of roller corresponding to servomotor by servo-driver, make each roller speed cut with setting value
In hair machine running always consistent, thus ensure that in shearing machine running, constant tension and bristle process and at cropping
Cloth fine hair after reason is smooth；Described enter between cloth rewinder roll and front guide roll by be installed into cloth section tension pick-up (61) record into
The tension value of cloth section, records front selvage guide section by selvage guide section tension pick-up (62) before installing between front guide roll and bristle roller
Tension value, records the tension force of rear selvage guide section by selvage guide section tension pick-up (63) after installing between rear deflector roll and draw-out roller
Value, and the tension value these recorded is transferred to PLC (1), the tension value detected according to mentioned strain sensor with
The tension value set compares, and tension force difference is converted into pulse signal by PLC (1), by high-speed pulse output end
Mouth is sent to the servo-driver of corresponding live-roller, changes corresponding servomotor rotating speed by servo-driver and turns live-roller
Speed carries out Tensity size regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175668.XA CN103938405B (en) | 2014-04-29 | 2014-04-29 | A kind of shearing machine tension force real-time control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175668.XA CN103938405B (en) | 2014-04-29 | 2014-04-29 | A kind of shearing machine tension force real-time control system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103938405A CN103938405A (en) | 2014-07-23 |
| CN103938405B true CN103938405B (en) | 2016-08-24 |
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| CN106873467A (en) * | 2017-03-30 | 2017-06-20 | 长沙贝士德电气科技有限公司 | A kind of intelligence weaving machine controller and its control method |
| CN107643727A (en) * | 2017-11-01 | 2018-01-30 | 海宁纺织机械有限公司 | A kind of shearing machine intelligence cutter lifting system and its implementation based on machine vision |
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| CN101694045A (en) * | 2009-09-15 | 2010-04-14 | 浙江理工大学 | Roughing-up machine multi-shaft drive tension control system and method for controlling tension thereof |
| CN203080291U (en) * | 2012-12-18 | 2013-07-24 | 连云港春江机械有限公司 | Module type cropping machine |
| CN203923687U (en) * | 2014-04-29 | 2014-11-05 | 浙江理工大学 | A kind of shearing machine tension force real-time control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694045A (en) * | 2009-09-15 | 2010-04-14 | 浙江理工大学 | Roughing-up machine multi-shaft drive tension control system and method for controlling tension thereof |
| CN203080291U (en) * | 2012-12-18 | 2013-07-24 | 连云港春江机械有限公司 | Module type cropping machine |
| CN203923687U (en) * | 2014-04-29 | 2014-11-05 | 浙江理工大学 | A kind of shearing machine tension force real-time control system |
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