CN112882436B - Double-deviation correcting device for net curtain of net laying machine and control method - Google Patents
Double-deviation correcting device for net curtain of net laying machine and control method Download PDFInfo
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- CN112882436B CN112882436B CN202011638167.2A CN202011638167A CN112882436B CN 112882436 B CN112882436 B CN 112882436B CN 202011638167 A CN202011638167 A CN 202011638167A CN 112882436 B CN112882436 B CN 112882436B
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/052—Linking several PLC's
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/12—Plc mp multi processor system
- G05B2219/1215—Master slave system
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
A net curtain double-deviation correcting device of a lapping machine and a control method thereof are provided, wherein a PLC control cabinet is respectively and electrically connected with a master deviation correcting system, a slave deviation correcting system and an executing mechanism, the master deviation correcting system and the slave deviation correcting system are respectively connected with the executing mechanism, and the running of the executing mechanism is controlled through the master deviation correcting system and the slave deviation correcting system. The net curtain left deflection limit switch SQ1, the net curtain right deflection limit switch SQ2 and the alarm HW are arranged on the frame of the lapping machine and are electrically connected with the PLC control cabinet. The invention has high reliability, can reduce the times of fault stopping and prolong the service life of components.
Description
Technical Field
The invention relates to the field of non-woven, in particular to a net curtain double-deviation correcting device of a lapping machine and an electric control system thereof.
Background
The mesh curtain deviation correction of the traditional lapping machine mainly comprises two modes, namely motor deviation correction and cylinder deviation correction. Whichever mode is adopted, the form is single, the actuating mechanism acts frequently, the service life of the element is short, the reliability of the deviation correcting control system is low, and the times of fault stopping can be increased.
Disclosure of Invention
The invention aims to provide a double-deviation correcting device for a net curtain of a net laying machine and a control method, wherein the double-deviation correcting device is high in reliability, can reduce the times of fault stopping and prolong the service life of components.
The invention mainly comprises a PLC control cabinet, a master deviation rectifying system, a slave deviation rectifying system, an executing mechanism, an alarm HW, a net curtain left deviation limit switch SQ1 and a net curtain right deviation limit switch SQ2.
The PLC control cabinet is respectively and electrically connected with the master deviation rectifying system, the slave deviation rectifying system and the executing mechanism, the master deviation rectifying system and the slave deviation rectifying system are respectively connected with the executing mechanism, and the running of the executing mechanism is controlled through the master deviation rectifying system and the slave deviation rectifying system. The net curtain left deflection limit switch SQ1, the net curtain right deflection limit switch SQ2 and the alarm HW are arranged on the frame of the lapping machine and are electrically connected with the PLC control cabinet.
Preferably, the PLC control cabinet includes a circuit breaker QF1, a circuit breaker QF2, a circuit breaker QF3, a circuit breaker QF4, a switching power supply PS1, a PLC programmable controller, a first intermediate relay, a second intermediate relay, a third intermediate relay, a fourth intermediate relay, a fifth intermediate relay, a frequency converter U1, a frequency converter U2, a servo driver SF, a manual button SB1, an alarm silencing button SB2, and a work indicator H. The first intermediate relay comprises a coil K1 A and a set of normally open contacts K1, the second intermediate relay comprises a coil K2 A and a set of normally open contacts K2, the third intermediate relay comprises a coil K3 A and a set of normally open contacts K3, the fourth intermediate relay comprises a coil K4 A and a set of normally open contacts K4, and the fifth intermediate relay comprises a coil K5 A and a set of normally open contacts K5. The first intermediate relay coil K1 A, the second intermediate relay coil K2 A, the third intermediate relay coil K3 A, the fourth intermediate relay coil K4 A and the fifth intermediate relay coil K5 A are respectively electrically connected with the switching power supply PS1 and the PLC. The single-phase alternating current commercial power is connected to zero line after passing through a breaker QF4, the output end of the breaker QF4 is connected with a group of normally open contacts K5 of a fifth intermediate relay and an alarm HW in series, the switch power supply PS1 outputs a positive electrode power supply 24V and a negative electrode power supply M, and the power end of the PLC is connected with the switch power supply PS1 which outputs the positive electrode power supply 24V and the negative electrode power supply M. The three-phase alternating current is connected to the power end of the frequency converter U1 through the breaker QF1, and a group of normally open contacts K1 of the first intermediate relay are connected to a group of positive turning points S1 and SN of the frequency converter U1. The output end of the breaker QF1 is connected to the input end of the breaker QF2, the output end of the breaker QF2 is connected to the power end of the frequency converter U2, a group of normally open contacts K2 of the second intermediate relay are connected to a group of positive turning points S1 and SN of the frequency converter U2, and a group of normally open contacts K3 of the third intermediate relay are connected to a group of reverse turning points S2 and SN of the frequency converter U2. The work indicator lamp H is connected to a first fire wire and a third fire wire of the output end of the circuit breaker QF1, the manual button SB1 is electrically connected with the switch power supply PS1 and the PLC programmable controller, the alarm silencing button SB2 is electrically connected with the switch power supply PS1 and the PLC programmable controller, and the work indicator lamp H, the manual button SB1 and the alarm silencing button SB2 are all arranged outside a cabinet door of the PLC control cabinet. The input end of the breaker QF3 is connected to the output end of the breaker QF1, the breaker QF3 is connected to the input end of the servo driver SF, the 24VIN contact of the servo driver SF is connected with the positive electrode of the 24V power supply of the PLC programmable controller, the negative electrode of the 24V power supply of the PLC programmable controller is connected with one end of a group of normally open contacts K4 of the fourth intermediate relay, and the other end of the group of normally open contacts K4 of the fourth intermediate relay is connected to the/S-0N contact of the servo driver SF.
Preferably, the main deviation rectifying system mainly comprises a lapping machine motor M1 and a main deviation rectifying motor M2. The input end of the lapping machine motor M1 is connected with the output end of the frequency converter U1, and the input end of the main deviation correcting motor M2 is connected with the output end of the frequency converter U2.
Preferably, the slave correction system further comprises a servo motor M3 and an encoder PG. The input end of the servo motor M3 is connected with the output end of the servo driver SF, and the CN2 interface of the servo driver SF is connected with the encoder PG.
Preferably, the actuator comprises a master deviation rectifying mechanism and a slave deviation rectifying mechanism.
Preferably, the main deviation correcting mechanism comprises a main deviation correcting roller, a bearing A, a support plate A, a slide way A, a bearing A with a slide block seat, a lead screw A, a worm gear and worm reducing mechanism A, a connecting plate A, a main deviation correcting net curtain left polarized electric switch a1, a main deviation correcting net curtain right polarized electric switch a2, a main deviation correcting motor front stroke limit switch SQ3 and a main deviation correcting motor rear stroke limit switch SQ4. The main deviation correcting roller rotates forwards and reversely frequently, and the main deviation correcting motor M2 is driven by the frequency converter U2. The two support plates A are respectively fixed on the frame of the lapping machine, slide ways A are respectively arranged on the two support plates A, a bearing A with a sliding block seat is arranged between the two slide ways A, and one end of the bearing A with the sliding block seat is connected with one end of a screw rod A. One end of the main deviation correcting roller is connected with a bearing A with a sliding block seat, and the other end of the main deviation correcting roller is fixed on a frame of the lapping machine through the bearing A. One end of each of the two slide ways A is fixedly provided with a connecting plate A, a turbine shaft of an output shaft of the turbine worm speed reducer A is tubular, threads are arranged at an inner hole of the output shaft of the turbine worm speed reducer A, the output shaft of the turbine worm speed reducer A is in threaded connection with the other end of the screw rod A, and an input shaft of the turbine worm speed reducer A is connected with the main deviation correcting motor M2. The main deviation correcting net curtain left polarized light electric switch a1, the main deviation correcting net curtain right polarized light electric switch a2, the main deviation correcting motor front stroke limit switch SQ3 and the main deviation correcting motor rear stroke limit switch SQ4 are respectively and electrically connected with the switch power supply PS1 and the PLC programmable controller. The left polarized light electric switch a1 of the main deviation correcting net curtain and the right polarized light electric switch a2 of the main deviation correcting net curtain are arranged on the frame of the lapping machine and are arranged above the net curtain. The front travel limit switch SQ3 of the main deviation correcting motor and the rear travel limit switch SQ4 of the main deviation correcting motor are respectively arranged on a slide way A of the main deviation correcting mechanism.
Preferably, the secondary deviation correcting mechanism comprises a secondary deviation correcting roller, a bearing B, a support plate B, a slideway B, a bearing B with a sliding block seat, a lead screw B, a worm gear and worm speed reducing mechanism B, a connecting plate B, a secondary deviation correcting net curtain left polarized electric switch B1, a secondary deviation correcting net curtain right polarized electric switch B2, a secondary deviation correcting motor front stroke limit switch SQ5 and a secondary deviation correcting motor rear stroke limit switch SQ6. The slave deviation correcting roller of the slave deviation correcting mechanism is parallel to other rollers of the lapping machine and is in a zero position, and the servo motor M3 is driven by the servo driver SF. The two support plates B are respectively fixed on the frame of the lapping machine, the two support plates B are respectively provided with a slideway B, a bearing B with a sliding block seat is arranged between the two slideway B, and one end of the bearing B with the sliding block seat is connected with one end of the lead screw B. One end of the secondary deviation correcting roller is connected with a bearing B with a sliding block seat, and the other end of the secondary deviation correcting roller is fixed on a frame of the lapping machine through the bearing B. One end of each of the two slide ways B is fixed with a connecting plate B, the turbine shaft of the output shaft of the turbine worm reducer B is tubular, threads are arranged at the inner hole of the output shaft of the turbine worm reducer B, the output shaft of the turbine worm reducer B is in threaded connection with the other end of the screw rod B, and the input shaft of the turbine worm reducer B is connected with the servo motor M3. The left polarized light electric switch b1 of the deviation correcting net curtain, the right polarized light electric switch b2 of the deviation correcting net curtain, the front travel limit switch SQ5 of the deviation correcting motor and the rear travel limit switch SQ6 of the deviation correcting motor are respectively and electrically connected with the switch power supply PS1 and the PLC. The left polarized light electric switch b1 of the deviation correcting net curtain and the right polarized light electric switch b2 of the deviation correcting net curtain are arranged on the frame of the lapping machine and are arranged above the net curtain. The front travel limit switch SQ5 of the auxiliary deviation correcting motor and the rear travel limit switch SQ6 of the auxiliary deviation correcting motor are respectively arranged on a slide way B of the auxiliary deviation correcting mechanism.
Preferably, the left polarized electric switch a1 of the main deviation correcting net curtain and the left polarized electric switch b1 of the auxiliary deviation correcting net curtain are arranged on one side wall of the frame of the lapping machine, and the right polarized electric switch a2 of the main deviation correcting net curtain and the right polarized electric switch b2 of the auxiliary deviation correcting net curtain are arranged on the other side wall of the frame of the lapping machine.
The double deviation correcting device for the net curtain of the lapping machine and the control method thereof comprise the following steps: the PLC programmable controller is operated, namely, a breaker QF1, a breaker QF2, a breaker QF3 and a breaker QF4 are closed, single-phase alternating current commercial power passes through the breaker QF4, a switching power supply PS1 outputs a positive electrode power supply 24V and a negative electrode power supply M, the PLC programmable controller is operated, and the PLC programmable controller carries out speed setting on a frequency converter U1, a frequency converter U2 and a servo driver SF and reads the states of the frequency converter U1, the frequency converter U2 and the servo driver SF through PN communication interfaces; and (2) working a main deviation correcting system: the three-phase alternating current works through the breaker QF1, the breaker QF2 and the breaker QF3, the work indicator lamp H is closed, the normally open contact K1 of the first intermediate relay is closed, the lapping machine motor M1 is driven by the frequency converter U1 to work in a forward rotation mode, the net curtain normally operates, when the net curtain is biased to the left, the net curtain left polarized light electric switch a1 is triggered, the main deviation correcting motor M2 drives the main deviation correcting roller to rotate in the forward direction, and the net curtain moves in the opposite direction. When the net curtain moves to the right polarized electric switch a2 of the main deviation correcting net curtain, a group of normally open electric shock K2 of the second intermediate relay is closed, and the main deviation correcting motor M2 drives the main deviation correcting roller to rotate reversely, so that the main deviation correcting roller moves reciprocally in a period. The main deviation correcting motor M2 is driven by the frequency converter U2 to frequently work in forward and reverse directions, and the net curtain of the net laying machine moves left and right in the range of the left polarized electric switch a1 of the main deviation correcting net curtain and the right polarized electric switch a2 of the main deviation correcting net curtain under the action of the main deviation correcting roller; step (3) working from a deviation correcting system: the PLC controls the slave deviation correcting roller to be in a zero control state, and the slave deviation correcting roller is kept parallel to other rollers in a normal state. When the left polarized electric switch a1 of the main deviation correcting net curtain, the right polarized electric switch a2 of the main deviation correcting net curtain or the main deviation correcting motor breaks down, the net curtain moves to the position of the left polarized electric switch b1 of the auxiliary deviation correcting net curtain or the net curtain moves to the position of the right polarized electric switch b2 of the auxiliary deviation correcting net curtain, a group of normally open contacts K5 of a fifth intermediate relay is closed, an alarm HW is triggered, a group of normally open contacts K4 of the fourth intermediate relay are closed, a servo motor M3 works under the driving of a servo driver SF, and the net curtain of the net paving machine moves left and right in the interval range of the left polarized electric switch b1 of the auxiliary deviation correcting net curtain and the right polarized electric switch b2 of the auxiliary deviation correcting net curtain under the action of the auxiliary deviation correcting roller, so that normal work is continued; zero position recovery in the step (4): when overhauling, the silencing button SB2 is pressed, the alarm HW is closed, after the main deviation correcting system is recovered to be normal, the manual button SB1 is operated, the deviation correcting roller is adjusted to be at zero position, and the whole deviation correcting system is recovered to be in a normal working state; and (5) stopping working: the net curtain touches the net curtain left deviation limit switch SQ1 or the net curtain right deviation limit switch SQ2, and the lapping machine stops working.
Compared with the prior art, the invention has the following advantages: the reliability is high, the times of fault stopping can be reduced, and the service life of components is prolonged.
Drawings
FIG. 1 is a front view of a primary correction mechanism of the present invention;
FIG. 2 is a side view of the primary correction mechanism of the present invention;
FIG. 3 is a front view of the slave correction mechanism of the present invention;
FIG. 4 is a side view of the slave correction mechanism of the present invention;
FIG. 5 is a main circuit diagram of the present invention;
FIG. 6 is a control circuit diagram of the present invention;
fig. 7 is a schematic diagram of PN communication according to the present invention;
In the figure, a 1-main deviation correcting roller, a 2-bearing A, a 3-support plate A, a 4-slideway A, a 5-bearing A with a sliding block seat, a 6-lead screw A, a 7-worm gear reduction mechanism A, an 8-connecting plate A, a 9-lapping machine frame, a 10-auxiliary deviation correcting roller, a 11-bearing B, a 12-support plate B, a 13-slideway B, a 14-bearing B with a sliding block seat, a 15-lead screw B, a 16-worm gear reduction mechanism B and a 17-connecting plate B.
Detailed Description
In the schematic diagrams of the present invention shown in fig. 1 to 7, the PLC control cabinet is electrically connected to the master deviation rectifying system, the slave deviation rectifying system, and the executing mechanism, respectively, and the master deviation rectifying system and the slave deviation rectifying system are connected to the executing mechanism, respectively, and control the operation of the executing mechanism through the master deviation rectifying system and the slave deviation rectifying system. The net curtain left deflection limit switch SQ1, the net curtain right deflection limit switch SQ2 and the alarm HW are arranged on the frame of the lapping machine and are electrically connected with the PLC control cabinet.
The PLC control cabinet comprises a breaker QF1, a breaker QF2, a breaker QF3, a breaker QF4, a switching power supply PS1, a PLC programmable controller, a first intermediate relay, a second intermediate relay, a third intermediate relay, a fourth intermediate relay, a fifth intermediate relay, a frequency converter U1, a frequency converter U2, a servo driver SF, a manual button SB1, an alarm silencing button SB2 and a working indicator H. The first intermediate relay comprises a coil K1 A and a set of normally open contacts K1, the second intermediate relay comprises a coil K2 A and a set of normally open contacts K2, the third intermediate relay comprises a coil K3 A and a set of normally open contacts K3, the fourth intermediate relay comprises a coil K4 A and a set of normally open contacts K4, and the fifth intermediate relay comprises a coil K5 A and a set of normally open contacts K5. The first intermediate relay coil K1 A, the second intermediate relay coil K2 A, the third intermediate relay coil K3 A, the fourth intermediate relay coil K4 A and the fifth intermediate relay coil K5 A are respectively electrically connected with the switching power supply PS1 and the PLC. The single-phase alternating current commercial power is connected to zero line after passing through a breaker QF4, the output end of the breaker QF4 is connected with a group of normally open contacts K5 of a fifth intermediate relay and an alarm HW in series, the switch power supply PS1 outputs a positive electrode power supply 24V and a negative electrode power supply M, and the power end of the PLC is connected with the switch power supply PS1 which outputs the positive electrode power supply 24V and the negative electrode power supply M. The three-phase alternating current is connected to the power end of the frequency converter U1 through the breaker QF1, and a group of normally open contacts K1 of the first intermediate relay are connected to a group of positive turning points S1 and SN of the frequency converter U1. The output end of the breaker QF1 is connected to the input end of the breaker QF2, the output end of the breaker QF2 is connected to the power end of the frequency converter U2, a group of normally open contacts K2 of the second intermediate relay are connected to a group of positive turning points S1 and SN of the frequency converter U2, and a group of normally open contacts K3 of the third intermediate relay are connected to a group of reverse turning points S2 and SN of the frequency converter U2. The work indicator lamp H is connected to a first fire wire and a third fire wire of the output end of the circuit breaker QF1, the manual button SB1 is electrically connected with the switch power supply PS1 and the PLC programmable controller, the alarm silencing button SB2 is electrically connected with the switch power supply PS1 and the PLC programmable controller, and the manual button SB1, the alarm silencing button SB2 and the work indicator lamp H are arranged outside a cabinet door of the PLC control cabinet. The input end of the breaker QF3 is connected to the output end of the breaker QF1, the breaker QF3 is connected to the input end of the servo driver SF, the 24VIN contact of the servo driver SF is connected with the positive electrode of the 24V power supply of the PLC programmable controller, the negative electrode of the 24V power supply of the PLC programmable controller is connected with one end of a group of normally open contacts K4 of the fourth intermediate relay, and the other end of the group of normally open contacts K4 of the fourth intermediate relay is connected to the/S-0N contact of the servo driver SF.
The main deviation correcting system mainly comprises a lapping machine motor M1 and a main deviation correcting motor M2. The input end of the lapping machine motor M1 is connected with the output end of the frequency converter U1, and the input end of the main deviation correcting motor M2 is connected with the output end of the frequency converter U2.
The slave correction system includes a servo motor M3 and an encoder PG. The input end of the servo motor M3 is connected with the output end of the servo driver SF, and the CN2 interface of the servo driver SF is connected with the encoder PG.
The executing mechanism comprises a master deviation rectifying mechanism and a slave deviation rectifying mechanism. The main deviation correcting mechanism comprises a main deviation correcting roller 1, a bearing A2, a support plate A3, a slide way A4, a bearing A5 with a slide block seat, a lead screw A6, a worm gear speed reducing mechanism A7, a connecting plate A8, a main deviation correcting net curtain left polarized electric switch a1, a main deviation correcting net curtain right polarized electric switch A2, a main deviation correcting motor front stroke limit switch SQ3 and a main deviation correcting motor rear stroke limit switch SQ4. The main deviation correcting roller rotates forwards and reversely frequently, and the main deviation correcting motor M2 is driven by the frequency converter U2. The two support plates A3 are respectively fixed on the frame 9 of the lapping machine, the two support plates A are respectively provided with a slideway A4, a bearing A5 with a sliding block seat is arranged between the two slideways A, and one end of the bearing A5 with the sliding block seat is connected with one end of a screw rod A6. One end of the main deviation correcting roller 1 is connected with a bearing A5 with a sliding block seat, and the other end of the main deviation correcting roller is fixed on a frame of the lapping machine through a bearing A2. One end of each slide A is fixedly provided with a connecting plate A8, a turbine shaft of an output shaft of the turbine worm speed reducer A7 is tubular, threads are arranged at an inner hole of the output shaft of the turbine worm speed reducer A7, the output shaft of the turbine worm speed reducer A7 is in threaded connection with the other end of the screw rod A6, and an input shaft of the turbine worm speed reducer A7 is connected with the main deviation correcting motor M2. The main deviation correcting net curtain left polarized light electric switch a1, the main deviation correcting net curtain right polarized light electric switch a2, the main deviation correcting motor front stroke limit switch SQ3 and the main deviation correcting motor rear stroke limit switch SQ4 are respectively and electrically connected with the switch power supply PS1 and the PLC programmable controller. The left polarized light electric switch a1 of the main deviation correcting net curtain and the right polarized light electric switch a2 of the main deviation correcting net curtain are arranged on the frame of the lapping machine and are arranged above the net curtain. The front travel limit switch SQ3 of the main deviation correcting motor and the rear travel limit switch SQ4 of the main deviation correcting motor are respectively arranged on a slide way A of the main deviation correcting mechanism. The secondary deviation correcting mechanism comprises a secondary deviation correcting roller 10, a bearing B11, a support plate B12, a slideway B13, a bearing B14 with a sliding block seat, a lead screw B15, a worm and gear speed reducing mechanism B16, a connecting plate B17, a secondary deviation correcting net curtain left polarized electric switch B1, a secondary deviation correcting net curtain right polarized electric switch B2, a secondary deviation correcting motor front stroke limit switch SQ5 and a secondary deviation correcting motor rear stroke limit switch SQ6. The slave deviation correcting roller of the slave deviation correcting mechanism is parallel to other rollers of the lapping machine and is in a zero position, and the servo motor M3 is driven by the servo driver SF. The two support plates B12 are respectively fixed on the lapping machine frame 9, the two support plates B are respectively provided with a slideway B13, a bearing B14 with a sliding block seat is arranged between the two slideway B, and one end of the bearing B with the sliding block seat is connected with one end of a lead screw B15. One end of the deviation correcting roller 10 is connected with a bearing B14 with a sliding block seat, and the other end of the deviation correcting roller is fixed on a frame of the lapping machine through a bearing B11. One end of each of the two slide ways B is fixedly provided with a connecting plate B17, a turbine shaft of an output shaft of the turbine worm speed reducer B is tubular, threads are arranged at an inner hole of the output shaft of the turbine worm speed reducer B, the output shaft of the turbine worm speed reducer B is in threaded connection with the other end of the screw rod B15, and an input shaft of the turbine worm speed reducer B is connected with the servo motor M3. The left polarized light electric switch b1 of the deviation correcting net curtain, the right polarized light electric switch b2 of the deviation correcting net curtain, the front travel limit switch SQ5 of the deviation correcting motor and the rear travel limit switch SQ6 of the deviation correcting motor are respectively and electrically connected with the switch power supply PS1 and the PLC. The left polarized light electric switch b1 of the deviation correcting net curtain and the right polarized light electric switch b2 of the deviation correcting net curtain are arranged on the frame of the lapping machine and are arranged above the net curtain. The front travel limit switch SQ5 of the auxiliary deviation correcting motor and the rear travel limit switch SQ6 of the auxiliary deviation correcting motor are respectively arranged on a slide way B of the auxiliary deviation correcting mechanism. The main deviation correcting net curtain left polarized light electric switch a1 and the auxiliary deviation correcting net curtain left polarized light electric switch b1 are arranged on one side wall of the lapping machine frame, and the main deviation correcting net curtain right polarized light electric switch a2 and the auxiliary deviation correcting net curtain right polarized light electric switch b2 are arranged on the other side wall of the lapping machine frame.
The double deviation correcting device for the net curtain of the lapping machine and the control method thereof comprise the following steps: the PLC programmable controller is operated, namely, a breaker QF1, a breaker QF2, a breaker QF3 and a breaker QF4 are closed, single-phase alternating current commercial power passes through the breaker QF4, a switching power supply PS1 outputs a positive electrode power supply 24V and a negative electrode power supply M, the PLC programmable controller is operated, and the PLC programmable controller carries out speed setting on a frequency converter U1, a frequency converter U2 and a servo driver SF and reads the states of the frequency converter U1, the frequency converter U2 and the servo driver SF through PN communication interfaces; and (2) working a main deviation correcting system: the three-phase alternating current works through the breaker QF1, the breaker QF2 and the breaker QF3, the work indicator lamp H is closed, the normally open contact K1 of the first intermediate relay is closed, the lapping machine motor M1 is driven by the frequency converter U1 to work in a forward rotation mode, the net curtain normally operates, when the net curtain is biased to the left, the net curtain left polarized light electric switch a1 is triggered, the main deviation correcting motor M2 drives the main deviation correcting roller to rotate in the forward direction, and the net curtain moves in the opposite direction. When the net curtain moves to the right polarized electric switch a2 of the main deviation correcting net curtain, a group of normally open electric shock K2 of the second intermediate relay is closed, and the main deviation correcting motor M2 drives the main deviation correcting roller to rotate reversely, so that the main deviation correcting roller moves reciprocally in a period. The main deviation correcting motor M2 is driven by the frequency converter U2 to frequently work in forward and reverse directions, and the net curtain of the net laying machine moves left and right in the range of the left polarized electric switch a1 of the main deviation correcting net curtain and the right polarized electric switch a2 of the main deviation correcting net curtain under the action of the main deviation correcting roller; step (3) working from a deviation correcting system: the PLC controls the slave deviation correcting roller to be in a zero control state, and the slave deviation correcting roller is kept parallel to other rollers in a normal state. When the left polarized electric switch a1 of the main deviation correcting net curtain, the right polarized electric switch a2 of the main deviation correcting net curtain or the main deviation correcting motor breaks down, the net curtain moves to the position of the left polarized electric switch b1 of the auxiliary deviation correcting net curtain or the net curtain moves to the position of the right polarized electric switch b2 of the auxiliary deviation correcting net curtain, a group of normally open contacts K5 of a fifth intermediate relay is closed, an alarm HW is triggered, a group of normally open contacts K4 of the fourth intermediate relay are closed, a servo motor M3 works under the driving of a servo driver SF, and the net curtain of the net paving machine moves left and right in the interval range of the left polarized electric switch b1 of the auxiliary deviation correcting net curtain and the right polarized electric switch b2 of the auxiliary deviation correcting net curtain under the action of the auxiliary deviation correcting roller, so that normal work is continued; zero position recovery in the step (4): when overhauling, the silencing button SB2 is pressed, the alarm HW is closed, after the main deviation correcting system is recovered to be normal, the manual button SB1 is operated, the deviation correcting roller is adjusted to be at zero position, and the whole deviation correcting system is recovered to be in a normal working state; and (5) stopping working: the net curtain touches the net curtain left deviation limit switch SQ1 or the net curtain right deviation limit switch SQ2, and the lapping machine stops working.
Claims (8)
1. The utility model provides a two deviation correcting devices of lapping machine net curtain, includes PLC switch board, main deviation correcting system, from deviation correcting system, actuating mechanism, alarm HW, net curtain left side limit switch SQ1 and net curtain right side limit switch SQ2, its characterized in that: the PLC control cabinet is respectively and electrically connected with the master deviation correcting system, the slave deviation correcting system and the executing mechanism, the master deviation correcting system and the slave deviation correcting system are respectively connected with the executing mechanism, the running of the executing mechanism is controlled through the master deviation correcting system and the slave deviation correcting system, the net curtain left deviation limit switch SQ1, the net curtain right deviation limit switch SQ2 and the alarm HW are arranged on the frame of the lapping machine and are electrically connected with the PLC control cabinet, the PLC control cabinet comprises a breaker QF1, a breaker QF2, a breaker QF3, a breaker QF4, a switching power supply PS1, a PLC programmable controller, a first intermediate relay, a second intermediate relay, a third intermediate relay, a fourth intermediate relay, a fifth intermediate relay, a frequency converter U1, a frequency converter U2, a servo driver SF, a manual button SB1, an alarm silencing button SB2 and a working indicator H, wherein the first intermediate relay comprises a coil K1 A and a group of normally open contacts K1, the second intermediate relay comprises a coil K2 A and a group of normally open contacts K2, the third intermediate relay comprises a coil K3 A and a set of normally open contacts K3, the fourth intermediate relay comprises a coil K4 A and a set of normally open contacts K4, the fifth intermediate relay comprises a coil K5 A and a set of normally open contacts K5, the first intermediate relay coil K1 A, the second intermediate relay coil K2 A, the third intermediate relay coil K3 A, the fourth intermediate relay coil K4 A and the fifth intermediate relay coil K5 A, the single-phase alternating current mains supply is electrically connected with a switch power supply PS1 and a PLC programmable controller respectively, the output end of the single-phase alternating current mains supply is connected with a group of normally open contacts K5 of a fifth intermediate relay and an alarm HW in series and then is connected to a zero line, the switch power supply PS1 outputs an anode power supply 24V and a cathode power supply M, the power end of the PLC programmable controller is connected with the switch power supply PS1 which outputs the anode power supply 24V and the cathode power supply M, the three-phase alternating current is connected to the power end of a frequency converter U1 through the circuit breaker QF1, the group of normally open contacts K1 of the first intermediate relay is connected to a group of positive points S1 of the frequency converter U1, On SN, the output end of the breaker QF1 is connected to the input end of the breaker QF2, the output end of the breaker QF2 is connected to the power end of the frequency converter U2, a group of normally open contacts K2 of the second intermediate relay are connected to a group of forward turning points S1 and SN of the frequency converter U2, a group of normally open contacts K3 of the third intermediate relay are connected to a group of reverse turning points S2 and SN of the frequency converter U2, the working indicator lamp H is connected to a first fire wire and a third fire wire of the output end of the breaker QF1, the manual button SB1 is electrically connected with the switching power supply PS1 and the PLC programmable controller, the alarm silencing button SB2 is electrically connected with the switching power supply PS1 and the PLC programmable controller, the working indicator lamp H, the manual button SB1 and the alarm silencing button SB2 are all arranged outside a cabinet door of the PLC control cabinet, the input end of the breaker QF3 is connected to the output end of the breaker QF1, the breaker QF3 is connected to the input end of the servo driver SF, the 24VIN contact of the servo driver SF is connected with the positive electrode of the 24V power supply of the PLC programmable controller, the negative electrode of the 24V power supply of the PLC programmable controller is connected with one end of a group of normally open contacts K4 of the fourth intermediate relay, and the other end of the group of normally open contacts K4 of the fourth intermediate relay is connected to the/S-0N contact of the servo driver SF.
2. The net curtain double deviation rectifying device of the lapping machine according to claim 1, wherein: the main deviation correcting system comprises a lapping machine motor M1 and a main deviation correcting motor M2, wherein the input end of the lapping machine motor M1 is connected with the output end of the frequency converter U1, and the input end of the main deviation correcting motor M2 is connected with the output end of the frequency converter U2.
3. The net curtain double deviation rectifying device of the lapping machine according to claim 1, wherein: the slave deviation correcting system further comprises a servo motor M3 and an encoder PG, wherein the input end of the servo motor M3 is connected with the output end of the servo driver SF, and the CN2 interface of the servo driver SF is connected with the encoder PG.
4. The net curtain double deviation rectifying device of the lapping machine according to claim 1, wherein: the executing mechanism comprises a master deviation rectifying mechanism and a slave deviation rectifying mechanism.
5. The double-deviation-correcting device for a net curtain of a net-laying machine according to claim 4, wherein: the main deviation correcting mechanism comprises a main deviation correcting roller, a bearing A, support plates A, a slideway A, a bearing A with a sliding block seat, a lead screw A, a worm gear speed reducing mechanism A, a connecting plate A, a main deviation correcting net curtain left polarized electric switch a1, a main deviation correcting net curtain right polarized electric switch a2, a main deviation correcting motor front stroke limit switch SQ3 and a main deviation correcting motor rear stroke limit switch SQ4, wherein the main deviation correcting roller is driven by a frequency converter U2 to rotate in the forward and reverse directions frequently, the two support plates A are respectively fixed on a lapping machine frame, the two support plates A are respectively provided with the slideway A, the bearing A with the sliding block seat is arranged between the two slideways A, one end with the sliding block seat is connected with one end of the lead screw A, one end of the main deviation correcting roller is connected with the bearing A with the sliding block seat, the other end of the main deviation correcting roller is fixed on the lapping machine frame through the bearing A, one end of each slide A is fixedly connected with a connecting plate A, a turbine worm reducer A is arranged on the connecting plate A, a turbine shaft of an output shaft of the turbine worm reducer A is tubular, threads are arranged at an inner hole of the output shaft of the turbine worm reducer A, the output shaft of the turbine worm reducer A is in threaded connection with the other end of the screw rod A, an input shaft of the turbine worm reducer A is connected with a main deviation correcting motor M2, a main deviation correcting net curtain left polarized light electric switch a1, a main deviation correcting net curtain right polarized light electric switch a2, a main deviation correcting motor front stroke limit switch SQ3 and a main deviation correcting motor rear stroke limit switch SQ4 are respectively and electrically connected with a switch power supply PS1 and a PLC programmable logic controller, the main deviation correcting net curtain left polarized light electric switch a1 and the main deviation correcting net curtain right polarized light electric switch a2 are arranged on a lapping machine frame and are arranged above a net curtain, and a group of main deviation correcting motor front stroke limit switches SQ3, and a group of rear travel limit switches SQ4 of the main deviation correcting motor are respectively arranged on a slideway A of the main deviation correcting mechanism.
6. The double-deviation-correcting device for a net curtain of a net-laying machine according to claim 4, wherein: the secondary deviation correcting mechanism comprises a secondary deviation correcting roller, a bearing B, a support plate B, a slideway B, a bearing B with a sliding block seat, a lead screw B, a worm gear speed reducing mechanism B, a connecting plate B, a secondary deviation correcting net curtain left polarized electric switch B1, a secondary deviation correcting net curtain right polarized electric switch B2, a secondary deviation correcting motor front stroke limit switch SQ5 and a secondary deviation correcting motor rear stroke limit switch SQ6, the secondary deviation correcting roller of the secondary deviation correcting mechanism is parallel to other rollers of the lapping machine and is in zero position, a servo driver SF drives a servo motor M3, the two support plates B are respectively fixed on a frame of the lapping machine, the two support plates B are respectively provided with the slideway B, a bearing B with the sliding block seat is arranged between the two slideway B, one end of the bearing B with the sliding block seat is connected with one end of the lead screw B, one end of the secondary deviation correcting roller is connected with the bearing B with the sliding block seat, the other end of the deviation correcting roller is fixed on the frame of the lapping machine through a bearing B, one end of each of two slide ways B is fixed with a connecting plate B, a turbine shaft of an output shaft of the turbine worm reducer B is tubular, a screw thread is arranged at an inner hole of the output shaft of the turbine worm reducer B, the output shaft of the turbine worm reducer B is in threaded connection with the other end of the screw rod B, an input shaft of the turbine worm reducer B is connected with a servo motor M3, a left polarized light electric switch B1 of a deviation correcting net curtain, a right polarized light electric switch B2 of the deviation correcting net curtain, a front stroke limit switch SQ5 of the deviation correcting motor and a rear stroke limit switch SQ6 of the deviation correcting motor are respectively and electrically connected with a switch power source PS1 and a PLC programmable controller, the left polarized light electric switch B1 of the deviation correcting net curtain and the right polarized light electric switch B2 of the deviation correcting net curtain are arranged on the frame of the lapping machine and above the net curtain, the front travel limit switch SQ5 of the auxiliary deviation correcting motor and the rear travel limit switch SQ6 of the auxiliary deviation correcting motor are respectively arranged on a slide way B of the auxiliary deviation correcting mechanism.
7. The net curtain double deviation rectifying device of the lapping machine according to claim 5 or 6, wherein: the main deviation correcting net curtain left polarized light electric switch a1 and the auxiliary deviation correcting net curtain left polarized light electric switch b1 are arranged on one side wall of the lapping machine frame, and the main deviation correcting net curtain right polarized light electric switch a2 and the auxiliary deviation correcting net curtain right polarized light electric switch b2 are arranged on the other side wall of the lapping machine frame.
8. The double-deviation correcting device and the control method for the net curtain of the net laying machine are characterized in that: the method comprises the following steps: the PLC programmable controller is operated, namely, a breaker QF1, a breaker QF2, a breaker QF3 and a breaker QF4 are closed, single-phase alternating current commercial power passes through the breaker QF4, a switching power supply PS1 outputs a positive electrode power supply 24V and a negative electrode power supply M, the PLC programmable controller is operated, and the PLC programmable controller carries out speed setting on a frequency converter U1, a frequency converter U2 and a servo driver SF and reads the states of the frequency converter U1, the frequency converter U2 and the servo driver SF through PN communication interfaces; and (2) working a main deviation correcting system: the three-phase alternating current is closed through a breaker QF1, a breaker QF2 and a breaker QF3, a work indicator lamp H works, a group of normally open contacts K1 of a first intermediate relay is closed, a net spreader motor M1 is driven to work in a forward rotation mode by a frequency converter U1, a net curtain normally operates, when the net curtain is biased to the left, a main deviation rectifying net curtain left polarized electric switch a1 is triggered, a main deviation rectifying motor M2 drives a main deviation rectifying roller to rotate in the forward direction, when the net curtain moves to a main deviation rectifying net curtain right polarized electric switch a2, a group of normally open contacts K2 of a second intermediate relay are closed, the main deviation rectifying motor M2 drives the main deviation rectifying roller to reciprocate in a cycle mode, the main deviation rectifying motor M2 is driven by the frequency converter U2 to work in the forward and reverse directions, and the net spreader net curtain moves left and right in a range of the main deviation rectifying net curtain left polarized electric switch a2 under the action of the main deviation rectifying roller; step (3) working from a deviation correcting system: the PLC is used for controlling the slave correcting roller to be in a zero control state, the slave correcting roller is kept parallel to other rollers in a normal state, when a master correcting net curtain left polarized electric switch a1, a master correcting net curtain right polarized electric switch a2 or a master correcting motor breaks down, the net curtain moves to the position of a slave correcting net curtain left polarized electric switch b1 or the net curtain moves to the position of a slave correcting net curtain right polarized electric switch b2, a group of normally open contacts K5 of a fifth intermediate relay are closed, an alarm HW is triggered, a group of normally open contacts K4 of the fourth intermediate relay are closed, a servo motor M3 works under the driving of a servo driver SF, the net curtain of the net spreader moves left and right in the range of a slave correcting net curtain left polarized electric switch b1 and a slave correcting net curtain right polarized electric switch b2 under the action of the slave correcting roller, and normal work is continued; zero position recovery in the step (4): when overhauling, the silencing button SB2 is pressed, the alarm HW is closed, after the main deviation correcting system is recovered to be normal, the manual button SB1 is operated, the deviation correcting roller is adjusted to be at zero position, and the whole deviation correcting system is recovered to be in a normal working state; and (5) stopping working: the net curtain touches the net curtain left deviation limit switch SQ1 or the net curtain right deviation limit switch SQ2, and the lapping machine stops working.
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