CN203923687U - A kind of shearing machine tension force real-time control system - Google Patents
A kind of shearing machine tension force real-time control system Download PDFInfo
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- CN203923687U CN203923687U CN201420212387.2U CN201420212387U CN203923687U CN 203923687 U CN203923687 U CN 203923687U CN 201420212387 U CN201420212387 U CN 201420212387U CN 203923687 U CN203923687 U CN 203923687U
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Abstract
The utility model discloses a kind of shearing machine tension force real-time control system, comprise PLC controller, described PLC controller is connected with man-machine interface touch-screen by RS232 serial port communication line; The high-speed pulse output mouth of described PLC controller is connected with servo-driven module by circuit; Described PLC controller is connected with frequency conversion drive module by RS485 bus; Described PLC controller is also connected with speed detection module, tension force detection module, metal detector and seam detector by circuit respectively.The utility model, by controlling in real time entering the rotating speed of cloth rewinder roll, front deflector roll, bristle roller, edge guide, cropping roller, rear deflector roll, draw-out roller, is realized accurate control and the step-less adjustment of cloth tension, makes cropping highly more accurate, reduces height error.
Description
Technical field
The utility model relates to a kind of control system of shearing machine, relates in particular to a kind of shearing machine tension force real-time control system, belongs to field of electric control.
Background technology
Shearing machine is one of capital equipment in spinning post-finishing processing, and shearing machine mainly comprises into cloth rewinder roll, front deflector roll, bristle roller, edge guide, cropping roller, rear deflector roll, these devices of draw-out roller.Fabric is after processing through raising machine napping, and fabric face forms fine hair different in size, and the effect of shearing machine is carried out cut-to-length to improve its product quality and class by these fine hair exactly.Since nearly ten years, the textile industry of China has obtained large development, and the paces of industrial upgrading are accelerated gradually.The important ring that dyeing and finishing industry is produced as weaving, also progressively transfers technology-intensive type to from scale enlargement type.Shearing machine, as the finishing operation of product processing, is directly connected to product quality, therefore must design the control system of a set of high efficient and reliable.
In shearing machine, entering cloth rewinder roll, front deflector roll, rear deflector roll and draw-out roller is the live-roller of shearing machine, in cloth traveling process, play transfer function, bristle roller and cropping roller play respectively the bristle of cloth and the effect of cropping, and edge guide is mainly to guarantee that cloth direct of travel can sideslip.Cropping is highly the important parameter that determines cropping effect quality, and it needs each control module to cooperatively interact, and coordinated operation could realize the accurate of cropping height.Tension force is controlled the order of accuarcy of cropping height is played to vital effect, and tension force is unstable, can cause cloth stretcher strain, makes cropping highly inhomogeneous, and design on fabric surface fine hair is uneven.So the real-time control that realizes shearing machine tension force is the key of cropping technology.Domestic existing shearing machine adopts frequency-changing control system mostly, and this control system exists tension force to control the defects such as unstable, precision is low, fault is many, affects the lifting of product quality.
Utility model content
The utility model object is to provide a kind of shearing machine tension force real-time control system, the utility model is by controlling in real time entering the rotating speed of cloth rewinder roll, front deflector roll, bristle roller, edge guide, cropping roller, rear deflector roll, draw-out roller, realize accurate control and the step-less adjustment of cloth tension, make cropping highly more accurate, reduce height error.
In order to achieve the above object, the technical solution of the utility model is:
A shearing machine tension force real-time control system, comprises PLC controller, and described PLC controller is connected with man-machine interface touch-screen by RS232 serial port communication line; The high-speed pulse output mouth of described PLC controller is connected with servo-driven module by circuit; Described PLC controller is connected with frequency conversion drive module by RS485 bus; Described PLC controller is also connected with speed detection module, tension force detection module, metal detector and seam detector by circuit respectively.
Described servo-driven module comprises into cloth rewinder roll servo-driver, front deflector roll servo-driver, bristle roller servo-driver, cropping roller servo-driver, rear deflector roll servo-driver and draw-out roller servo-driver; And described enter cloth rewinder roll servo-driver, front deflector roll servo-driver, bristle roller servo-driver, cropping roller servo-driver, rear deflector roll servo-driver and draw-out roller servo-driver are connected with the high-speed pulse output mouth of PLC controller by circuit respectively; Wherein said enter cloth rewinder roll servo-driver by circuit with enter cloth rewinder roll servomotor and be connected; Described front deflector roll servo-driver is connected with front deflector roll servomotor by circuit; Described bristle roller servo-driver is connected with bristle roller servomotor by circuit; Described cropping roller servo-driver is connected with cropping roller servomotor by circuit; Described rear deflector roll servo-driver is connected with rear deflector roll servomotor by circuit; Draw-out roller servo-driver is connected with draw-out roller servomotor by circuit.
Described frequency conversion drive module comprises 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 frequency converter and are connected with PLC controller by RS485 bus with edge guide frequency converter; Described bristle Height Adjustment frequency converter is connected with bristle Height Adjustment motor by circuit; Described cropping Height Adjustment frequency converter is connected with cropping Height Adjustment motor by circuit; Described flat cutter swings frequency converter and is connected with flat cutter oscillating motor by circuit; Described edge guide frequency converter is connected with edge guide motor by circuit.
Described speed detection module comprises into cloth rewinder roll tachogenerator, front deflector roll tachogenerator, bristle roller tachogenerator, cropping roller tachogenerator, rear deflector roll tachogenerator and draw-out roller tachogenerator; Wherein saidly enter cloth rewinder roll tachogenerator, front deflector roll tachogenerator, bristle roller tachogenerator, cropping roller tachogenerator, rear deflector roll tachogenerator and draw-out roller tachogenerator and by circuit, be connected with PLC controller respectively.
Described tension force detection module comprises into cloth section tension pick-up, front selvage guide section tension pick-up and rear selvage guide section tension pick-up; Wherein saidly enter cloth section tension pick-up, front selvage guide section tension pick-up and rear selvage guide section tension pick-up and by circuit, be connected with PLC controller respectively.
The beneficial effects of the utility model are: the utility model shearing machine tension control system, adopt the control mode of Speed Chain, by tachogenerator, record the tachometer value of each live-roller, the linear velocity of cloth rewinder roll of take is benchmark, by the coefficient of tension of front deflector roll, rear deflector roll and draw-out roller is set, can reach the step-less adjustment of tension force.By PID, control each live-roller adjustment of rotational speed value that computational methods are calculated each live-roller, in assurance shearing machine running, each live-roller rotating speed is constant, thereby realizes the constant of shearing machine tension force.The utility model system reliability is high, and tension force control is stable, precision is high, failure rate is low, has improved the electromechanical integration degree of shearing machine, greatly enhances productivity and the stability of a system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the selvage guide process schematic diagram under the utility model is controlled;
Fig. 3 is PLC program flow diagram of the present utility model.
the specific embodiment
Embodiment 1
A kind of shearing machine tension force real-time control system of the present embodiment, as shown in Figure 1, comprise PLC controller 1, described PLC controller 1 is connected with man-machine interface touch-screen 2 by RS232 serial port communication line, the input and output of PLC controller 1 realize by man-machine interface touch-screen 2, and man-machine interface touch-screen 2 is realized the control to PLC controller 1 by operational factor is set, and the operation conditions of PLC controller 1 is monitored in real time; The high-speed pulse output mouth of described PLC controller 1 is connected with servo-driven module 3 by circuit; Described PLC controller 1 is connected with frequency conversion drive module 4 by RS485 bus; Described PLC controller 1 is also connected with speed detection module 5, tension force detection module 6, metal detector 7 and seam detector 8 by circuit respectively; Described metal detector 7 and seam detector 8 carry out respectively the detection of metal, seam to cloth, feed back in time PLC controller 1, carry out alarm failure processing.
Described servo-driven module 3 comprises into cloth rewinder roll servo-driver 31, front deflector 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; And described enter cloth rewinder roll servo-driver 31, front deflector 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 connected with the high-speed pulse output mouth of PLC controller 1 by circuit respectively; Wherein said enter cloth rewinder roll servo-driver 31 by circuit with enter cloth rewinder roll servomotor 37 and be connected; Described front deflector roll servo-driver 32 is connected with front deflector roll servomotor 38 by circuit; Described bristle roller servo-driver 33 is connected with bristle roller servomotor 39 by circuit; Described cropping roller servo-driver 34 is connected with cropping roller servomotor 310 by circuit; Described rear deflector roll servo-driver 35 is connected with rear deflector roll servomotor 311 by circuit; Draw-out roller servo-driver 36 is connected with draw-out roller servomotor 312 by circuit.
Described frequency conversion drive module 4 comprises that 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 and are connected with PLC controller 1 by RS485 bus with edge guide frequency converter 44; Described bristle Height Adjustment frequency converter 41 is connected with bristle Height Adjustment motor 45 by circuit; Described cropping Height Adjustment frequency converter 42 is connected with cropping Height Adjustment motor 46 by circuit; Described flat cutter swings frequency converter 43 and is connected with flat cutter oscillating motor 47 by circuit; Described edge guide frequency converter 44 is connected with edge guide motor 48 by circuit.
The PLC controller 1 of the present embodiment can each servo-driver of synchronization of access and each frequency converter, to guarantee the Collaboration of each motor.
Described speed detection module 5 comprises into cloth rewinder roll tachogenerator 51, front deflector roll tachogenerator 52, bristle roller tachogenerator 53, cropping roller tachogenerator 54, rear deflector roll tachogenerator 55 and draw-out roller tachogenerator 56; Wherein saidly enter cloth rewinder roll tachogenerator 51, front deflector roll tachogenerator 52, bristle roller tachogenerator 53, cropping roller tachogenerator 54, rear deflector roll tachogenerator 55 and draw-out roller tachogenerator 56 and by circuit, be connected with PLC controller 1 respectively; Tachogenerator detects in real time to the rotating speed of each live-roller, and detecting to such an extent that tachometer value is issued PLC controller 1, PLC controller 1 need to be made adjustment to the motor speed of corresponding live-roller according to actual tension, realizes constant tension.
Described tension force detection module 6 comprises 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 saidly enter cloth section tension pick-up 61, front selvage guide section tension pick-up 62 and rear selvage guide section tension pick-up 63 and by circuit, be connected with PLC controller 1 respectively; Each tension pick-up carries out tension force detection to cloth respectively, and detecting to such an extent that tension value is issued PLC controller 1, PLC controller 1 compares the tension value of actual tension value and setting, then carries out Tensity size adjusting by changing corresponding live-roller motor speed.
The control method of a kind of shearing machine tension force real-time control system of the present embodiment, as Figure 1-3, comprise the steps: to start shearing machine, as required, by the parameter of entering cloth rewinder roll, front deflector roll, bristle roller, cropping roller, rear deflector roll and draw-out roller on 2 pairs of shearing machines of man-machine interface touch-screen, set, shearing machine enters the rotating speed of cloth rewinder roll, front deflector roll, bristle roller, cropping roller, rear deflector roll and draw-out roller and is controlled in real time by PLC controller 1 after starting, enter the live-roller that cloth rewinder roll, front deflector roll, rear deflector roll and draw-out roller are shearing machine, cloth is transmitted, when cloth enters entering after cloth rewinder roll of shearing machine, by entering between cloth rewinder roll and front deflector roll metal detector 7 is installed, cloth is carried out to metal detection, detect in cloth, whether have metal fragment entrainment and signal feedback to PLC controller 1, have metal fragment entrainment in finding cloth after, send in time fault alarm and the operation out of service of PLC controller 1 execution shearing machine, as metal entrainment do not detected, cloth continues to be transported into front deflector roll, by the cloth of 8 pairs of processes of seam detector is installed between front deflector roll and bristle roller, carries out seam and detect in real time, as when seam having been detected and having passed through, signal is fed back to PLC controller 1 in time, send alarm signal to PLC controller, by PLC controller 1, recording current time is t
0, cloth advances to cropping roller from seam detector 8, and to need the time be that t(is determined by shearing machine mechanical structure, the value of t is seam detector 8 to cropping roller distance s and the business of current cloth speed v), as arrival (t
0+ t) constantly, when cloth advances to cropping roller, PLC controller 1 sends cutter lifting signal to cropping Height Adjustment frequency converter 42, drives cropping Height Adjustment motor 46 to raise cropping roller, allows seam pass through, in order to avoid damage the hair clipper on cropping roller, after seam detector 8, bristle roller carries out bristle processing to cloth, remove wandering fibre that design on fabric surface adheres to and chip and design on fabric surface fine hair is pulled out to shears, napping height can transfer adjusting by bristle Height Adjustment frequency converter 41 control bristle Height Adjustment motors 45 are positive and negative, after bristle, cloth enters edge guide, by edge guide frequency converter 44, control positive and negative the transferring of edge guide motors 48 and guarantee that cloth direct of travel can sideslip, then cloth is through cropping roller, cropping processing is carried out in cooperation by the hair clipper peace cutter on cropping roller, cropping height can control by cropping Height Adjustment frequency converter 42 that cropping Height Adjustment motors 46 are positive and negative transfers adjusting, and the cloth after cropping, forms last finished product by rear deflector roll and draw-out roller in succession.Cloth is in traveling process, entering cloth rewinder roll, front deflector roll, bristle roller, cropping roller, rear deflector roll, on draw-out roller respectively by entering cloth rewinder roll tachogenerator 51, front deflector roll tachogenerator 52, bristle roller tachogenerator 53, cropping roller tachogenerator 54, rear deflector roll tachogenerator 55 and draw-out roller tachogenerator 56 record the tachometer value of each live-roller in real time, and the tachometer value recording is sent back to PLC controller 1, and compare with setup parameter, use PID to control computational methods, calculate each live-roller, the adjustment of rotational speed value of bristle roller and cropping roller, PLC controller 1 is converted into pulse signal by adjustment of rotational speed value, by high-speed pulse output port, send to the servo-driver of above-mentioned respective rollers, by servo-driver, adjust the rotating speed of the corresponding roller of servomotor, make the speed of each roller in shearing machine running, remain consistent with setting value, thereby the cloth fine hair in assurance shearing machine running after constant tension and bristle processing and cropping processing is smooth, described entering between cloth rewinder roll and front deflector roll records into the tension value of cloth section by being installed into cloth section tension pick-up 61, the tension value of selvage guide section before recording by selvage guide section tension pick-up 62 before installing between front deflector roll and bristle roller, the tension value of selvage guide section after recording by selvage guide section tension pick-up 63 after installing between rear deflector roll and draw-out roller, and the tension value that these are recorded is transferred to PLC controller 1, the tension value detecting according to mentioned strain sensor and the tension value of setting compare, PLC controller 1 is converted into pulse signal by tension force difference, by high-speed pulse output port, send to the servo-driver of corresponding live-roller, by servo-driver, change corresponding servomotor rotating speed live-roller rotating speed is carried out to Tensity size adjusting.The present embodiment coefficient of tension is relevant with the speed of each live-roller, and the actual linear velocity of still passing through to change each live-roller, makes to form speed difference between them, realizes the adjusting of tension force.
The present embodiment is a closed loop revolution speed control system, improved control accuracy, by the Tensity size of real-time detection cloth key position, by PLC controller 1, carry out data processing, and send data to corresponding live-roller motor, tension force is regulated, thereby make in shearing machine running tension force more stable.By adopting the PD of manual intervention to control computational methods, pid control algorithm computing formula is processed, obtain the value of △ U, the adjusted value that Δ U is each sampling period.Compensation by Δ U, makes constant tension.The system reliability of the present embodiment is high, and tension force control is stable, precision is high, failure rate is low, has improved the electromechanical integration degree of shearing machine, greatly enhances productivity and the stability of a system.
Claims (5)
1. a shearing machine tension force real-time control system, is characterized in that: comprise PLC controller (1), described PLC controller (1) is connected with man-machine interface touch-screen (2) by RS232 serial port communication line; The high-speed pulse output mouth of described PLC controller (1) is connected with servo-driven module (3) by circuit; Described PLC controller (1) is connected with frequency conversion drive module (4) by RS485 bus; Described PLC controller (1) is also connected with speed detection module (5), tension force detection module (6), metal detector (7) and seam detector (8) by circuit respectively.
2. a kind of shearing machine tension force real-time control system as claimed in claim 1, is characterized in that: described servo-driven module (3) comprises into cloth rewinder roll servo-driver (31), front deflector 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); And described enter cloth rewinder roll servo-driver (31), front deflector 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 connected with the high-speed pulse output mouth of PLC controller (1) by circuit respectively; Wherein said enter cloth rewinder roll servo-driver (31) by circuit with enter cloth rewinder roll servomotor (37) and be connected; Described front deflector roll servo-driver (32) is connected with front deflector roll servomotor (38) by circuit; Described bristle roller servo-driver (33) is connected with bristle roller servomotor (39) by circuit; Described cropping roller servo-driver (34) is connected with cropping roller servomotor (310) by circuit; Described rear deflector roll servo-driver (35) is connected with rear deflector roll servomotor (311) by circuit; Draw-out roller servo-driver (36) is connected with draw-out roller servomotor (312) by circuit.
3. a kind of shearing machine tension force real-time control system as claimed in claim 1, is characterized in that: described frequency conversion drive module (4) comprises that 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) and are connected with PLC controller (1) by RS485 bus with edge guide frequency converter (44); Described bristle Height Adjustment frequency converter (41) is connected with bristle Height Adjustment motor (45) by circuit; Described cropping Height Adjustment frequency converter (42) is connected with cropping Height Adjustment motor (46) by circuit; Described flat cutter swings frequency converter (43) and is connected with flat cutter oscillating motor (47) by circuit; Described edge guide frequency converter (44) is connected with edge guide motor (48) by circuit.
4. a kind of shearing machine tension force real-time control system as claimed in claim 1, is characterized in that: described speed detection module (5) comprises into cloth rewinder roll tachogenerator (51), front deflector roll tachogenerator (52), bristle roller tachogenerator (53), cropping roller tachogenerator (54), rear deflector roll tachogenerator (55) and draw-out roller tachogenerator (56); Wherein saidly enter cloth rewinder roll tachogenerator (51), front deflector roll tachogenerator (52), bristle roller tachogenerator (53), cropping roller tachogenerator (54), rear deflector roll tachogenerator (55) and draw-out roller tachogenerator (56) and by circuit, be connected with PLC controller (1) respectively.
5. a kind of shearing machine tension force real-time control system as claimed in claim 1, is characterized in that: described tension force detection module (6) comprises 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 saidly enter cloth section tension pick-up (61), front selvage guide section tension pick-up (62) and rear selvage guide section tension pick-up (63) and by circuit, be connected with PLC controller (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212387.2U CN203923687U (en) | 2014-04-29 | 2014-04-29 | A kind of shearing machine tension force real-time control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212387.2U CN203923687U (en) | 2014-04-29 | 2014-04-29 | A kind of shearing machine tension force real-time control system |
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| CN203923687U true CN203923687U (en) | 2014-11-05 |
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| CN201420212387.2U Withdrawn - After Issue CN203923687U (en) | 2014-04-29 | 2014-04-29 | A kind of shearing machine tension force real-time control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938405A (en) * | 2014-04-29 | 2014-07-23 | 浙江理工大学 | Real-time control system and method for tension of wool shearing machine |
-
2014
- 2014-04-29 CN CN201420212387.2U patent/CN203923687U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938405A (en) * | 2014-04-29 | 2014-07-23 | 浙江理工大学 | Real-time control system and method for tension of wool shearing machine |
| CN103938405B (en) * | 2014-04-29 | 2016-08-24 | 浙江理工大学 | A kind of shearing machine tension force real-time control system and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |