CN203351291U - Automatic control system of cable separate machine - Google Patents
Automatic control system of cable separate machine Download PDFInfo
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- CN203351291U CN203351291U CN 201320466228 CN201320466228U CN203351291U CN 203351291 U CN203351291 U CN 203351291U CN 201320466228 CN201320466228 CN 201320466228 CN 201320466228 U CN201320466228 U CN 201320466228U CN 203351291 U CN203351291 U CN 203351291U
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- control system
- automatic control
- unwrapping wire
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Abstract
The utility model discloses an automatic control system of a cable separate machine. The automatic control system of the cable separate machine is characterized in that a pay-off motor is driven by a DC speed regulation module, the outgoing wire side of the pay-off device is equipped with a tension pulley, and a rotating shaft of the tension pulley is in transmission connection with a tension potentiometer via a transmission mechanism; the signal output end of the tension potentiometer is connected with the control input end of the DC speed regulation module, the pay-off motor is in driving connection with a frequency converter, and the driving output end of the frequency converter is connected with the power supply input end of the pay-off motor. The automatic control system of the cable separate machine of the utility model uses the DC speed regulation module and the frequency converter to drive the pay-off motor and a take-up motor respectively, utilizes the frequency converter to drive the rotating speed of the take-up motor, and changes an output signal sent by the tension potentiometer to the DC speed regulation module by the up and down motion of the tension pulley connected with a take-up unit, thereby adjusting the pay-off speed of the pay-off motor to realize the synchronous pay-off and take-up, realizing the stable control of the system, and being simple in operation and good in effect.
Description
Technical field
The utility model belongs to the auto Segmentation field of electric wire, covered wire cable, the particularly automatic control system of electric covered wire cable separate machine.
Background technology
The product line of covered wire cable is in process of production at present, directly is received on the wooden dish of ￠ 400mm, and every dish length is 3Km.For meeting the required rubber-insulated wire jumping fiber of user, need first covered wire cable to be divided into 20m, 30m, 50m, 70m, 90m, 100m, 150m different length, worn again the processes such as loose mail, grinding and made the rubber-insulated wire jumping fiber, and present stage has just been risen the rubber-insulated wire jumping fiber, to also not having ripe equipment to go cutting apart of covered wire cable.
The stranded cable of common cable is not strict to the requirement of laying tension, and the payoff tensioner of stranded equipment is very simple, and the size of tension force is by regulating manually.Traditional unwrapping wire process generally adopts the unwrapping wire mode of passive type, and actinobacillus wheel is not applied to laying tension, drives actinobacillus wheel by the rotation of take-up pulley, thereby realizes the unwrapping wire process of actinobacillus wheel.Traditional take-up process is to adopt passive type tension force take-up mode, and take-up pulley relies on the size of regulator potentiometer to control frequency converter, thereby frequency converter is realized the take-up of take-up pulley by the rotating speed of controlling motor.Like this, the size of tension value can not detect and automatically control.
Chinese Patent Application No. 201210159023.8 discloses a kind of superconducting conductor stranded cable tension automatic control system, by rotating shaft, draw drum (2) is installed in twisted wire framework (1), the rear of twisted wire framework (1) is equipped with guide roller (3), the rear of guide roller (3) is equipped with take-up reel (4), take-up reel (4) is connected with take-up motor (5), also comprise the unwrapping wire motor (6) be connected with draw drum (2), tension pick-up (7) is connected with guide roller (3); In control circuit in the signal access control cabinet of tension pick-up (7), the take-up motor frequency conversion device (14) of take-up motor (5) is connected with the PLC Programmable Logic Controller of control circuit respectively with the unwrapping wire motor frequency conversion device (12) of unwrapping wire motor (6).The unwrapping wire of this system and take-up are all driven by the motor of the Frequency Converter Control by corresponding, and carried out after the signal processing passing to unwrapping wire, the take-up speed of the corresponding motor of corresponding Frequency Converter Control by the PLC Programmable Logic Controller, this device needs two frequency converters and corresponding PLC Programmable Logic Controller and host computer, the control procedure complexity, and cost is higher.
China Patent No. 200920352194.6 discloses a kind of cable winding machine, in frame (1) lower end, be provided with automatically advance disc mechanism (2), drum rolls out mechanism (3), be respectively arranged with draw drum (4), take-up reel (5) on the top of automatically advancing disc mechanism (2), drum and roll out mechanism (3), automatically advance disc mechanism (2), drum and roll out mechanism (3), draw drum (4), take-up reel (5) and drive respectively and connect motor (6); From left to right be respectively arranged with the first regulating wheel (61), the second regulating wheel (62), the 3rd regulating wheel (63) on the top of draw drum (4), take-up reel (5), be provided with tension force detecting sensor (7) between the first regulating wheel (61), the second regulating wheel (62), between the second regulating wheel (62), the 3rd regulating wheel (63), be provided with meter counter (8).The unwrapping wire of this device, take-up are also driven by motor respectively, utilize the tension force detecting sensor to detect tension signal, but in this device, frequency converter is not set, its tension signal is not clearly to be connected with the unwrapping wire motor or with the take-up motor yet, its control principle can't be known, the synchronism of unwrapping wire and take-up can not be realized.
The utility model content
The purpose of this utility model is to provide a kind of cable separate machine automatic control system, to solve the problem of existing unwrapping wire winding control system control procedure complexity or poor synchronization.
In order to realize above purpose, the technical scheme that the utility model adopts is: a kind of cable separate machine automatic control system, comprise actinobacillus device and take-up, described actinobacillus device comprises the unwrapping wire motor, described take-up comprises the unwrapping wire motor, described unwrapping wire motor is driven by a direct current speed adjusting module, the outgoing line side of described actinobacillus device is provided with a straining pulley, the rotating shaft of described straining pulley is in transmission connection by transmission mechanism and a tension force potentiometer, and the signal output part of described tension force potentiometer is connected with the control input end of DC speed regulation module; Described unwrapping wire motor is connected with a transducer drive, and the drive output of this frequency converter is connected with the power input of unwrapping wire motor.
This control system also comprises meter-measuring device, and described meter-measuring device comprises meter counter and is located at one group of approach switch and induction point corresponding with approach switch on the fabric wheel correspondence position; The signal output part of approach switch is connected with the signal input part of meter counter, and the control output end that stops of meter counter is connected for controlling stopping of take-up motor with a metering shutdown switch.
Described meter counter also has metering speed Control end, and this metering speed Control end is connected with the multistage speed control end of frequency converter.
The corresponding position of described straining pulley below when it hangs is provided with the broken string limit switch, and described broken string limit switch is fixed on an installing rack.
Described transmission mechanism is assemblied in the tension force fork on a frame for rotating, and an end of this tension force fork is fixed together with the rotating shaft of straining pulley is vertical, and the other end and tension force potentiometer are in transmission connection.
Also be provided with one between the outgoing line side of described draw drum and straining pulley and determine runner, the top of described straining pulley is provided with a line storage wheel between straining pulley and take-up.
Described fabric wheel at least comprises for making the spacing upper fabric wheel in cable space and lower fabric wheel, and upper fabric wheel is two, and lower fabric wheel is one, and lower line ball position of wheel is fabric wheel lower middle position place on two.
Cable separate machine automatic control system of the present utility model adopts DC speed regulation module, frequency converter to drive respectively unwrapping wire motor and take-up motor, utilize the rotating speed of transducer drive take-up motor, by moving up and down of the straining pulley that is connected with take-up, change the output signal that sends to DC speed regulation module of tension force potentiometer, and then regulate the payingoff speed of unwrapping wire motor, and realize synchronize of unwrapping wire and rolling, not only realize that system control stablizes, simple to operate, respond well.
The control connection of high-resolution counter and frequency converter, by the dual output signal controlling of meter counter, realize that the speed change of take-up motor is regulated, and winding motor is the reduction of speed running when metering closes on, and for winding motor, shuts down and can stand and can stop, and rolling is without sliding, and metering is accurate.
Discharge or the broken string situation occurs at cable, by contacting of broken string limit switch and straining pulley, making the disconnection of tension force potentiometer centre cap, DC Module no-output voltage, the unwrapping wire motor does not turn, and realizes breaking protection.
The accompanying drawing explanation
Fig. 1 is the utility model cable separate machine automatic control system structure chart;
Fig. 2 unwrapping wire is controlled electrical schematic diagram;
Electrical schematic diagram is controlled in Fig. 3 take-up.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Be illustrated in figure 1 the utility model cable separate machine automatic control system embodiment, as seen from the figure, this system comprises actinobacillus device, take-up and meter-measuring device, cable via actinobacillus device is connected with take-up by after meter-measuring device, actinobacillus device comprises draw drum 1 and the unwrapping wire motor 2 with draw drum transmission control connection and the DC speed regulation module be connected with the driving of unwrapping wire motor, take-up comprises take-up reel 3 and drives with take-up reel transmission control connection unwrapping wire motor and with the unwrapping wire motor frequency converter be connected, the drive output of this frequency converter is connected with the power input of unwrapping wire motor, the outgoing line side straining pulley 5 of draw drum, the rotating shaft of straining pulley 5 is in transmission connection by a transmission mechanism and a tension force potentiometer 6, and the signal output part of tension force potentiometer is connected with the control input end of DC speed regulation module.
The transmission mechanism of the present embodiment is assemblied in the tension force fork 14 on a frame for rotating, and an end of this tension force fork is fixed together with the rotating shaft of straining pulley 5 is vertical, and the other end and tension force potentiometer 6 are in transmission connection.Also be provided with one and determine runner 4 between the outgoing line side of draw drum 1 and straining pulley 5, the top of straining pulley is provided with a line storage wheel 13 between straining pulley 5 and take-up.
In addition, the corresponding position of straining pulley below when it hangs is provided with broken string limit switch 11, and this broken string limit switch is fixed on an installing rack 12.
Meter-measuring device comprises meter counter and is located at one group of approach switch 8 on the fabric wheel correspondence position and two the induction point (not shown)s corresponding with approach switch, with approach switch 8 noncontacts inductions; Fabric wheel at least comprises for making the spacing upper fabric wheel 9 in cable space and lower fabric wheel 10, the approach switch 8 of the present embodiment is located at the back of lower fabric wheel 10, and two induction points are symmetricly set in position relative with approach switch on lower fabric wheel, improve the precision of metering (although the induction point number is more, meters counting accuracy is higher, but the frequency requirement to approach switch is also higher, considers, this enforcement is two induction points preferably).The upper fabric wheel of the present embodiment is two, and lower fabric wheel is one, and lower line ball position of wheel is fabric wheel lower middle position place on two, three fabric wheels is set and does not allow line skid, and has also further improved meters counting accuracy.The signal output part of approach switch 8 and the signal input part CP1(10 of meter counter, 11, No. 12 pins) be connected, the control output end AL2 that stops of meter counter is connected with a metering shutdown switch 2A (as shown in Figure 3) for controlling stopping of take-up motor.This meter counter also has i.e. 6, No. 7 pins of metering speed Control end AL1(), this metering speed Control end AL1 is connected with the multistage speed control end DI4 of frequency converter.
Be illustrated in figure 2 unwrapping wire and control electrical schematic diagram, as seen from the figure, the unwrapping wire DC speed regulation module drives and is connected with the unwrapping wire motor, and the power end of this module is connected with bus by contactor KM1, and bus is provided with air switch Q0; Its+10V and-be connected with tension force potentiometer WD1 on the signal input part of 10V, between the adjustable side of tension force potentiometer and the GD of DC speed regulation module end, string is provided with the limit switch SL1 that breaks.
Be illustrated in figure 3 take-up and control electrical schematic diagram, as seen from the figure, the rotating shaft of take-up reel and take-up motor 1M control connection, the take-up motor is connected with the control output end of frequency converter, and tri-ports of the RST of frequency converter are connected with the L1～L3 of bus respectively.Also be connected with on bus and respectively control branch road, comprise that rolling starts that branch road, unwrapping wire start branch road, rolling stops branch road, meter counter branch road and rolling and unwrapping wire indication branch road: rolling start string on branch road be provided with rotation toggle switch 1ST, foot switch S2, and rolling stop normally-closed contact K2 of contactor and the coil of rolling starting contactor K1, and also be parallel with the normally opened contact of rolling starting contactor K1 on foot switch, realize interlocking; In addition, one of them normally opened contact of rolling starting contactor K1 also is connected with COM with its enable port DI1 of frequency converter respectively; Unwrapping wire starts the interlock contact that on branch road, string is provided with the coil of unwrapping wire starting contactor KM1 and rotates toggle switch 1ST; Rolling stops on branch road string and is provided with the coil that metering shutdown switch 2A and rolling stop contactor K2; On rolling indication branch road, string is provided with the normally opened contact of corresponding indicator light 1H and rolling starting contactor K1; On unwrapping wire indication branch road, string is provided with the normally opened contact of corresponding indicator light 2H and unwrapping wire starting contactor KM1.
The meter counter of the present embodiment adopts the rugged electronic counter in import east, has the setting of metering length, the demonstration of metering length, the correction of metering length factor, metering automatic clear, two-part output control function, realizes the complete machine operation.The collection of meter counter signal is with Autonic PR12-4DP import approach switch, install two induction points additional and remove inductive proximity switch on lower fabric wheel, induction point herein adopts metal noncontact thing, makes the approach switch output signal send into counter and carries out the length counting; Measure by approach switch the number of turns that corresponding fabric wheel rotates, thereby calculate the length of cable, the metering result of acquisition is very accurate, has greatly improved the reliability of metering.
When the meter counter parameter is set, according to the length of inkjet printing on cable, proofreaied and correct, the metering length factor is carried out to correct correction; In order to simplify the operation of meter counter, after meter counter shows length, time delay 2 seconds, counting can automatically reset and be shown as zero, for counting ready next time; Generally the output mode of meter counter is set as to P output.
Operation principle of the present utility model is as follows: actinobacillus device drives draw drum by the rare earth direct current machine and carries out unwrapping wire, the unwrapping wire motor is by the DC speed regulation module speed regulating control, the tension force potentiometer changes speed and the rotating commutation speed governing of unwrapping wire motor, the tension force potentiometer leaves neutral point toward top offset, the motor forward direction speed is accelerated, the tension force potentiometer leaves neutral point toward bottom offset, and the motor inverted speed is accelerated.Tension force potentiometer two terminations ± 10V, straining pulley 5 is when the intermediate equilibria position of frame, and the center tap voltage of tension force potentiometer 6 is zero, and at DC speed regulation module no-output voltage, the unwrapping wire motor does not turn; While because of certain reason, causing straining pulley 5 to depart from neutral point position, take-up reel hauls cable, under the effect of tractive effort, straining pulley can up move always, when the unwrapping wire motor speed does not catch up with rolling speed, tension force potentiometer centre cap output voltage can be from null value → on the occasion of increasing gradually, the output voltage of DC speed regulation module is improved, and the unwrapping wire motor speed is accelerated; If the unwrapping wire motor speed is constantly accelerated, new variation occurs in straining pulley under the effect of self gravitation, by a high position → neutral point → depart from neutral point position to move down, tension force potentiometer center tap voltage has on the occasion of → zero → negative value and changes, and the unwrapping wire motor is done retarded motion; Once straining pulley departs from neutral point position, move down, the unwrapping wire motor just reverses, too many for making not allow the line storage wheel straining pulley depart from neutral point, advances to realize as much as possible synchronizeing of unwrapping wire and rolling; If cable discharges or while situation occurring breaking, straining pulley naturally hangs under Action of Gravity Field, the very fast bruising limit switch that firmly breaks, disconnect tension force potentiometer centre cap, DC speed regulation module no-output voltage, and the unwrapping wire motor does not turn, and plays the effect of breaking protection.
It is main motor that take-up carries out rolling by take-up motor 1M drive take-up reel; utilize the speed regulator of frequency converter as the take-up motor; frequency converter is set in to the operation of multistage speed; guarantee the synchronous operation of the startup → stable operation of main motor → reduction of speed → stopped status and unwrapping wire motor, improved the efficiency of rolling.Take-up adopts vector type MD320 Series Frequency Converter to drive the take-up motor, for meeting technological requirement, increases work efficiency; The parameter of rolling frequency converter is rationally arranged, start and adopt remote-control operation, with foot switch, do the complete machine enabled instruction; As long as stepping on foot switch take-up motor just can turn over automatically; The speed of take-up motor is controlled and is adopted 2 segmentations; the 1st section is the starting operation frequency, and the starting operation frequency values is set as fixed frequency (20Hz), and the 2nd section is reduction of speed frequency (8Hz); running frequency is switched to the shutdown of reduction of speed frequency and take-up, by counter dual output signal controlling, is completed fully.Take-up motor running speed under running frequency is very fast; and mechanical aspects often has inertia factor when shutting down; to allow at short notice the take-up motor stop immediately; it is very impossible not occur sliding, and inevitably sliding speed can allow the physical length of covered wire cable increase, and the utility model adopts 2 sections speed operations; realized the reduction of speed running when metering closes on of take-up motor; guarantee can stop at once after the take-up motor stopping, rolling is without sliding, and metering is accurate.
The course of work of the present utility model is as follows: rotation toggle switch 1ST, the KM1 adhesive of unwrapping wire starting contactor can be provided simultaneously and meet the rolling entry condition, step on foot switch S2, contactor K1 adhesive, even if pin leaves foot switch, the latching point that K1 is arranged, make contactor K1 adhesive always, and the indicator light of rolling simultaneously is bright; The normally opened contact of K1 is connected frequency converter input terminal COM and DI1, realizes that frequency converter starts with running frequency (20Hz), the rotation of transducer drive take-up motor; Only in metering to when number, metering shutdown switch 2A closure, contactor K2 adhesive, the normally-closed contact of contactor K2 disconnects, contactor K1 outage, the take-up motor stops; Again step on foot switch S2, by above-mentioned logic, carry out periodic duty.Control with toggle switch 1ST the control power supply that the operation of rolling and actinobacillus device starts, once abnormal conditions occur, the rotation toggle switch accomplishes that complete machine shuts down at once.
If cut apart the cable of 100 meters length, as long as be set as 95 meters by the 1st section of meter counter, when counting down to 95 meters, 1 signal of 6,7 pin outputs of meter counter, this signal delivers to frequency converter input terminal COM and DI4 is upper, realizes the switching of the 2nd section speed of frequency converter, and the 2nd section is reduction of speed frequency (8Hz), the take-up motor speed reduces, and for meter counter can allow take-up reel stop to when number at once, carries out preparation; Under many fast operations, count down to 100 meters, 1 signal of 4,5 pin outputs of meter counter, make contactor K2 adhesive, and the normally-closed contact of contactor K2 disconnects, contactor K1 outage, the take-up motor stops, and realizes the accurate of metering length.
Claims (7)
1. a cable separate machine automatic control system, comprise actinobacillus device and take-up, described actinobacillus device comprises the unwrapping wire motor, described take-up comprises the unwrapping wire motor, it is characterized in that: described unwrapping wire motor is driven by a direct current speed adjusting module, the outgoing line side of described actinobacillus device is provided with a straining pulley, and the rotating shaft of described straining pulley is in transmission connection by transmission mechanism and a tension force potentiometer, and the signal output part of described tension force potentiometer is connected with the control input end of DC speed regulation module; Described unwrapping wire motor is connected with a transducer drive, and the drive output of this frequency converter is connected with the power input of unwrapping wire motor.
2. cable separate machine automatic control system according to claim 1, it is characterized in that: this control system also comprises meter-measuring device, and described meter-measuring device comprises meter counter and is located at one group of approach switch and induction point corresponding with approach switch on the fabric wheel correspondence position; The signal output part of approach switch is connected with the signal input part of meter counter, and the control output end that stops of meter counter is connected for controlling stopping of take-up motor with a metering shutdown switch.
3. cable separate machine automatic control system according to claim 2, it is characterized in that: described meter counter also has metering speed Control end, and this metering speed Control end is connected with the multistage speed control end of frequency converter.
4. according to the described cable separate machine of claim 2 or 3 automatic control system, it is characterized in that: the corresponding position of described straining pulley below when it hangs is provided with the broken string limit switch, and described broken string limit switch is fixed on an installing rack.
5. cable separate machine automatic control system according to claim 4, it is characterized in that: described transmission mechanism is assemblied in the tension force fork on a frame for rotating, one end of this tension force fork is fixed together with the rotating shaft of straining pulley is vertical, and the other end and tension force potentiometer are in transmission connection.
6. cable separate machine automatic control system according to claim 5, it is characterized in that: also be provided with one between the outgoing line side of described draw drum and straining pulley and determine runner, the top of described straining pulley is provided with a line storage wheel between straining pulley and take-up.
7. cable separate machine automatic control system according to claim 6, it is characterized in that: described fabric wheel at least comprises for making the spacing upper fabric wheel in cable space and lower fabric wheel, and upper fabric wheel is two, lower fabric wheel is one, and lower line ball position of wheel is fabric wheel lower middle position place on two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320466228 CN203351291U (en) | 2013-07-31 | 2013-07-31 | Automatic control system of cable separate machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320466228 CN203351291U (en) | 2013-07-31 | 2013-07-31 | Automatic control system of cable separate machine |
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| Publication Number | Publication Date |
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| CN203351291U true CN203351291U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320466228 Withdrawn - After Issue CN203351291U (en) | 2013-07-31 | 2013-07-31 | Automatic control system of cable separate machine |
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| CN (1) | CN203351291U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400654A (en) * | 2013-07-31 | 2013-11-20 | 河南省通信电缆有限公司 | Automatic control system for cable dividing and cutting machine |
| CN105217382A (en) * | 2015-10-09 | 2016-01-06 | 东莞三联热缩材料有限公司 | A kind of heat-shrinkable T bush S. A. coils machine |
| CN105241412A (en) * | 2015-10-29 | 2016-01-13 | 山东大业股份有限公司 | Rubber tube length counting calibrator |
| CN106291846A (en) * | 2016-08-31 | 2017-01-04 | 河南省通信电缆有限公司 | Covered wire cable separate machine PLC control system |
-
2013
- 2013-07-31 CN CN 201320466228 patent/CN203351291U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400654A (en) * | 2013-07-31 | 2013-11-20 | 河南省通信电缆有限公司 | Automatic control system for cable dividing and cutting machine |
| CN103400654B (en) * | 2013-07-31 | 2015-08-26 | 河南省通信电缆有限公司 | A kind of cable separate machine automatic control system |
| CN105217382A (en) * | 2015-10-09 | 2016-01-06 | 东莞三联热缩材料有限公司 | A kind of heat-shrinkable T bush S. A. coils machine |
| CN105241412A (en) * | 2015-10-29 | 2016-01-13 | 山东大业股份有限公司 | Rubber tube length counting calibrator |
| CN106291846A (en) * | 2016-08-31 | 2017-01-04 | 河南省通信电缆有限公司 | Covered wire cable separate machine PLC control system |
| CN106291846B (en) * | 2016-08-31 | 2022-11-22 | 郑州天河通信科技有限公司 | PLC control system of rubber-insulated-wire optical cable cutting machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20150826 |
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| RGAV | Abandon patent right to avoid regrant |