CN101885247B - Press and intelligent control system of feeding device thereof - Google Patents

Press and intelligent control system of feeding device thereof Download PDF

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Publication number
CN101885247B
CN101885247B CN2010102094626A CN201010209462A CN101885247B CN 101885247 B CN101885247 B CN 101885247B CN 2010102094626 A CN2010102094626 A CN 2010102094626A CN 201010209462 A CN201010209462 A CN 201010209462A CN 101885247 B CN101885247 B CN 101885247B
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encoder
gripping
servomotor
signal
electric machine
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CN101885247A (en
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陈春童
胡鹏
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Jiangsu Yangli Group Co Ltd
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Jiangsu Yangli Group Co Ltd
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Abstract

The invention discloses a press and an intelligent control system of a feeding device thereof, relating to the punching machinery field. The press comprises a main eccentric shaft and an auxiliary eccentric shaft, wherein the main eccentric shaft is provided with a main encoder, the auxiliary eccentric shaft is provided with an auxiliary encoder, and the signals of the two encoders are all accessed into the single input end of a programmable controller; and the feeding device consists of lifting, transporting and clamping mechanisms which respectively adopt a servo control system, and the programmable controller calculates setting values of the lifting, transporting and clamping actions and sends the setting values to corresponding motor controllers to control the lifting, transporting and clamping mechanisms to make synchronous motion. The intelligent control system can greatly improve the production efficiency of the press, deviations occur between a signal fed back by the feeding device and a setting signal sent from the programmable controller when the feeding device and the press are desynchronized, and the programmable controller can report an error and halts to prevent the press, the feeding device and workpieces from damages when any one deviation exceeds a preset limit.

Description

The intelligence control system of forcing press and pay-off thereof
Technical field
The present invention relates to a kind of forcing press, the intelligence control system of particularly a kind of forcing press and pay-off thereof.
Background technology
Multiple position press is the combination of feed system and forcing press.Forcing press comprises the main camshaft and the secondary camshaft of symmetry action, and main camshaft and secondary camshaft drive separately slide block respectively along guide rail is reciprocating separately, and each punch die is connected to separately on the slide block.
The effect of feed system is that metal works or non-metal workpiece are transported in a series of moulds position of forcing press automatically, and the slide block of forcing press is progressively with workpiece punch forming in die cavity.When the punch die of forcing press was opened, feed system was with its clamping clip gripping workpiece from each die cavity, and the lifting workpiece leaves die cavity, then transported workpiece to next die cavity top, lowerd workpiece to this die cavity, before the punch die closure, unclamped clamping clip and recalled.If clamping clip is not recalled in due course, clamping clip will be crushed in the mould, causes damaging punch die, feed system and workpiece.
In recent years, the workpiece size of transfer press machined enlarges markedly.Equally, the also all corresponding increase of the size of the working ability size of multiple position press and lathe itself.The increase of workpiece size requires the stroke of clamping, lifting and the transmission of feed system also to want corresponding increase.These three kinds of motions all are periodic, stop at the terminal point of each stroke, pause a moment, return then.Therefore, the motion of feed system can be regarded as intermittently, and can give and transmit the torque loads that drive source causes fluctuation.Along with the raising of productivity ratio, the increase of workpiece size and multiple position press size, also more and more harsher to the requirement of machine driving drive source.
The productivity ratio of multiple position press mainly receives and guarantees the feeding speed that feeding is not slipped up and guarantee the not restriction of the punch die translational speed of defective work piece.
Multiple position press of the prior art; From safety; Be the synchronism that guarantees to move between forcing press and the feed system; Most of forcing presses are driven by mechanism, feed system be by the power source on the forcing press through a series of gear, axle, belt pulley and pulley, perhaps chain and chain wheel drive.Because this feed system is to be driven through mechanism by the power source of forcing press,, but forcing press and feeder structure complicacy thereof have also been caused so feed mechanism and punch die reciprocating synchronism on guide rail has obtained accurate assurance.
Also have a kind of multiple position press, forcing press cooperates motor-driven feed system to use together, and feed system is recalled below punch die before beginning in the punch die closed action, and forcing press only can just begin action in the position that feed mechanism is retracted into a safety.Forcing press begins a stroke, is parked in top dead-centre afterwards.Meanwhile, shedding mechanism moves into the die cavity picking up work piece, and this moment, the sensor-triggered charge mechanism was with the next workpiece die cavity of packing into; After charge mechanism is withdrawn from from die area, the next stamping period of sensor-triggered.The combination of this forcing press and feed system, in process of production, any inefficacy of discharge system and charging system all can stop the process-cycle immediately, thereby has avoided the damage of punch die or forcing press.But alternating movement when this forcing press and feed system work is waited for each other after the other side arrives home and is just carried out next one action, has seriously restricted production efficiency.
Summary of the invention
For overcoming the problem that exists in the prior art; The present invention provides the intelligence control system of a kind of forcing press and pay-off thereof; Forcing press and pay-off drive respectively; The control system is the ruuning situation of monitor force machine and pay-off in real time, and error situation is in time responded, and to forcing press, pay-off and workpiece protection is provided.
For solving above technical problem; The intelligence control system of a kind of forcing press provided by the present invention and pay-off thereof; Forcing press comprises the main camshaft and the secondary camshaft of symmetry action; Pay-off comprises hoisting mechanism, conveyer and gripping body, and this intelligence control system also comprises Programmable Logic Controller and the system bus that is connected with the Programmable Logic Controller signal; On the said main camshaft main encoder is installed, on the said secondary camshaft secondary encoder is installed, the signal of said main encoder and secondary encoder all inserts the signal input part of said Programmable Logic Controller; Said hoisting mechanism comprise promote servomotor, control promote the lifting electric machine controller of servomotor running, by promoting driven by servomotor and being attached thereto the lifting transmission mechanism that connects; Said lifting electric machine controller is connected with said Programmable Logic Controller signal through system bus; Said lifting transmission mechanism is provided with the hoisting mechanism encoder; Said lifting servomotor is provided with and promotes the servomotor encoder; The holding wire of said hoisting mechanism encoder and lifting servomotor encoder inserts the signal input part of said lifting electric machine controller respectively, and the signal output part of said lifting electric machine controller inserts said lifting servomotor; Said Programmable Logic Controller is accepted the forcing press die position signal of main encoder and secondary encoder, calculates the lifting actuating signal of pay-off, mails to said lifting electric machine controller, and then inputs to said lifting servomotor; The lifting feedback signal that lifting actual displacement amount signal that said hoisting mechanism encoder sends and lifting servomotor encoder send transfers to said Programmable Logic Controller through promoting electric machine controller respectively, supplies the Programmable Logic Controller judgement to promote to move and corrects errors.
With respect to prior art; The present invention has obtained following beneficial effect: during the forcing press running, the secondary encoder on main encoder on the main camshaft and the secondary camshaft detects the die position signal respectively, is input in the Programmable Logic Controller; Programmable Logic Controller detects main encoder signal and secondary code device signal; Whether and it is normal to monitor its signal, if forcing press when operation the main encoder signal and secondary code device signal occur then being regarded as fault than macromutation; Then Programmable Logic Controller sends the signal that reports an error, and forcing press is shut down; Whether Programmable Logic Controller also compares main encoder signal and secondary code device signal simultaneously has deviation, if deviate has surpassed the pre-set die position limit, then Programmable Logic Controller also sends the signal that reports an error, and forcing press is shut down.Programmable Logic Controller calculates the lifting actuating signal of pay-off according to forcing press die position signal, mails to promote the motor controller controls hoisting mechanism and be synchronized with the movement, make forcing press and pay-off hoisting mechanism action synchronously; When the hoisting mechanism of pay-off is asynchronous with forcing press; The lifting actuating signal generation deviation that lifting actual displacement amount signal that the hoisting mechanism encoder sends and Programmable Logic Controller send; When deviate surpasses preset limit; Programmable Logic Controller sends the signal that reports an error, and forcing press and pay-off are shut down, and make forcing press, pay-off and workpiece exempt from damage; Because having solved feeding well reaches the safeguard protection problem synchronously, makes the productivity ratio of multiple position press be greatly improved; Hoisting mechanism adopts servo-control system can accurately control acceleration and deceleration, speed and the displacement curve of output that promotes action.
As improvement of the present invention, said conveyer comprise transport servomotor, control transport servomotor running transport electric machine controller, by transporting driven by servomotor and being attached thereto the transmission mechanism that transports that connects; The said electric machine controller that transports is connected with said Programmable Logic Controller signal through system bus; The said transmission mechanism that transports is provided with the conveyer encoder; The said servomotor that transports is provided with and transports the servomotor encoder; Said conveyer encoder and the holding wire that transports the servomotor encoder insert the said signal input part that transports electric machine controller respectively, and the said signal output part that transports electric machine controller inserts the said servomotor that transports; Said Programmable Logic Controller is accepted the forcing press die position signal of main encoder and secondary encoder, calculates the actuating signal of transporting of pay-off, mails to the said electric machine controller that transports, and then inputs to the said servomotor that transports; Said conveyer encoder sends transports actual displacement amount signal and transports the feedback signal of transporting that the servomotor encoder sends and transfer to said Programmable Logic Controller through transporting electric machine controller respectively, supplies Programmable Logic Controller to judge to transport action to correct errors.Programmable Logic Controller calculates the actuating signal of transporting of pay-off according to forcing press die position signal, mails to transport the motor controller controls conveyer and be synchronized with the movement, make forcing press and pay-off conveyer action synchronously; When the conveyer of pay-off is asynchronous with forcing press; The conveyer encoder sends transport that actual displacement amount signal and Programmable Logic Controller send transport actuating signal generation deviation; When deviate surpasses preset limit; Programmable Logic Controller sends the signal that reports an error, and forcing press and pay-off are shut down, and make forcing press, pay-off and workpiece exempt from damage; Because having solved feeding well reaches the safeguard protection problem synchronously, makes the productivity ratio of multiple position press be greatly improved; Conveyer adopts servo-control system can accurately control acceleration and deceleration, speed and the displacement curve of output that transports action.
As further improvement of the present invention, said gripping body comprises the gripping electric machine controller of gripping servomotor, the running of control gripping servomotor, by the gripping driven by servomotor and be attached thereto the gripping transmission mechanism that connects; Said gripping electric machine controller is connected with said Programmable Logic Controller signal through system bus; Said gripping transmission mechanism is provided with the gripping body encoder; Said gripping servomotor is provided with gripping servomotor encoder; The holding wire of said gripping body encoder and gripping servomotor encoder inserts the signal input part of said gripping electric machine controller respectively, and the signal output part of said gripping electric machine controller inserts said gripping servomotor; Said Programmable Logic Controller is accepted the forcing press die position signal of main encoder and secondary encoder, calculates the gripping actuating signal of pay-off, mails to said gripping electric machine controller, and then inputs to said gripping servomotor; The gripping feedback signal that gripping actual displacement amount signal that said gripping body encoder sends and gripping servomotor encoder send transfers to said Programmable Logic Controller through the gripping electric machine controller respectively, supplies Programmable Logic Controller judgement gripping action to correct errors.Programmable Logic Controller calculates the gripping actuating signal of pay-off according to forcing press die position signal, mails to gripping motor controller controls gripping body and is synchronized with the movement, make forcing press and pay-off gripping body action synchronously; When the gripping body of pay-off is asynchronous with forcing press; The gripping actuating signal generation deviation that gripping actual displacement amount signal that the gripping body encoder sends and Programmable Logic Controller send; When deviate surpasses preset limit; Programmable Logic Controller sends the signal that reports an error, and forcing press and pay-off are shut down, and make forcing press, pay-off and workpiece exempt from damage; Because having solved feeding well reaches the safeguard protection problem synchronously, makes the productivity ratio of multiple position press be greatly improved; Gripping body adopts servo-control system can accurately control acceleration and deceleration, speed and the displacement curve of output of gripping action.
As preferred version of the present invention, said hoisting mechanism encoder, conveyer encoder and gripping body encoder are linear absolute encoder.Hoisting mechanism, conveyer and gripping body adopt linear absolute encoder, good reliability, and long service life has high anti-vibrating and impact ability, high axial-radial load capacity, reaches advantages such as high performance price ratio.
As preferred version of the present invention, said main encoder and secondary encoder are absolute rotary encoder.Main encoder and secondary encoder adopt absolute rotary encoder, have the resolution ratio height, and the position is definitely unique, the advantage that antijamming capability is strong.
Description of drawings
Fig. 1 is the structural representation of the intelligence control system of forcing press of the present invention and pay-off thereof.
Among the figure: 1 forcing press; The 1a main encoder; The secondary encoder of 1b; R1 main encoder signal; The secondary code device signal of R2; The actual die position signal of Rm; 2 Programmable Logic Controllers; 3 system bus; 4,4 ': promote servomotor; 41,41 ': promote electric machine controller; 42,42 ': promote transmission mechanism; 43,43 ': the hoisting mechanism encoder; 44,44 ': promote the servomotor encoder; L11, L11 ': promote actuating signal; L12, L12 ': promote actual displacement amount signal; L13, L13 ': promote feedback signal; 5,5 ': transport servomotor; 51,51 ': transport electric machine controller; 52,52 ': transport transmission mechanism; 53,53 ': the conveyer encoder; 54,54 ': transport the servomotor encoder; T11, T11 ': transport actuating signal; T12, T12 ': transport actual displacement amount signal; T13, T13 ': transport feedback signal; 6,6 ': the gripping servomotor; 61,61 ': the gripping electric machine controller; 62,62 ': the gripping transmission mechanism; 63,63 ': the gripping body encoder; 64,64 ': gripping servomotor encoder; C11, C11 ': gripping actuating signal; C12, C12 ': gripping actual displacement amount signal; C13, C13 ': gripping feedback signal.
The specific embodiment
As shown in Figure 1, the intelligence control system of forcing press of the present invention and pay-off thereof comprises forcing press 1, pay-off, Programmable Logic Controller 2 and the system bus 3 that is connected with the Programmable Logic Controller signal.Forcing press 1 comprises the main camshaft and the secondary camshaft of symmetry action, and pay-off comprises hoisting mechanism, conveyer and gripping body.Main encoder 1a is installed on the main camshaft, secondary encoder 1b is installed on the secondary camshaft, the signal of main encoder 1a and secondary encoder all inserts the signal input part of Programmable Logic Controller.
Hoisting mechanism comprises that two covers promote servomotor 4,4 ', and control promotes the lifting electric machine controller 41,41 ' of servomotor running, by promoting driven by servomotor and being attached thereto the lifting transmission mechanism 42,42 ' that connects.Promoting electric machine controller 41,41 ' is connected with Programmable Logic Controller 2 signals through system bus 3 respectively; Promote on the transmission mechanism 42,42 ' and be respectively equipped with hoisting mechanism encoder 43,43 '; Promote to be respectively equipped with on the servomotor 4,4 ' and promote servomotor encoder 44,44 '; Hoisting mechanism encoder 43,43 ' and promote servomotor encoder 44,44 ' signal and insert respectively and promote electric machine controller 41,41 ' signal input part promotes electric machine controller 41,41 ' signal output part inserts respectively and promotes servomotor 4,4 '.
Conveyer comprises that two covers transport servomotor 5,5 ', and what the servomotor running was transported in control transports electric machine controller 51,51 ', by transport driven by servomotor and be attached thereto connect transport transmission mechanism 52,52 '.Transporting electric machine controller 51,51 ' is connected with Programmable Logic Controller 2 signals through system bus 3 respectively; Transport on the transmission mechanism 52,52 ' and be respectively equipped with conveyer encoder 53,53 '; Transport to be respectively equipped with on the servomotor 5,5 ' and transport servomotor encoder 54,54 '; Conveyer encoder 53,53 ' and transport servomotor encoder 54,54 ' signal and insert respectively and transport electric machine controller 51,51 ' signal input part transports electric machine controller 51,51 ' signal output part inserts respectively and transports servomotor 5,5 '.
Gripping body comprises two cover gripping servomotors 6,6 ', and the gripping electric machine controller 61,61 ' of control gripping servomotor running is by the gripping driven by servomotor and be attached thereto the gripping transmission mechanism 62,62 ' that connects; Gripping electric machine controller 61,61 ' is connected with Programmable Logic Controller 2 signals through system bus 3 respectively; Be respectively equipped with gripping body encoder 63,63 ' on the gripping transmission mechanism 62,62 '; Be respectively equipped with gripping servomotor encoder 64,64 ' on the gripping servomotor 6,6 '; Gripping body encoder 63,63 ' and gripping servomotor encoder 64,64 ' signal insert gripping electric machine controller 61,61 ' signal input part respectively, gripping electric machine controller 61,61 ' signal output part insert gripping servomotor 6,6 ' respectively.
Hoisting mechanism encoder 43,43 ', conveyer encoder 53,53 ' and gripping body encoder 63,63 ' be linear absolute encoder.Main encoder 1a and secondary encoder 1b are absolute rotary encoder.
During forcing press 1 running, it is main encoder signal R1 and secondary code device signal R2 that main encoder 1a and secondary encoder 1b detect the die position signal respectively, and is input in the Programmable Logic Controller 2.Programmable Logic Controller 2 pairs of main encoder signals R1 and secondary code device signal R2 detect; Whether and it is normal to monitor its signal; If forcing press when operation main encoder signal R1 and secondary code device signal R2 occur than macromutation; Then be regarded as fault, then Programmable Logic Controller 2 sends the signal that reports an error, and forcing press is shut down.Whether Programmable Logic Controller 2 also compares main encoder signal R1 and secondary code device signal R2 simultaneously has deviation, if value (R1-R2) has surpassed the pre-set die position limit, then Programmable Logic Controller 2 also sends the signal that reports an error, and forcing press is shut down.
Because forcing press is that the vibrations that produce cause main encoder signal R1 and secondary code device signal R2 not steady in punching press, generally occurring in bottom dead centre is punching press moment.Programmable Logic Controller 2 pairs of main encoder signals R1 and secondary code device signal R2 carry out smoothing processing, generate actual die position signal Rm.
Programmable Logic Controller 2 transfers to actual die position signal Rm through system bus 3 and promotes electric machine controller 41,41 ', transports electric machine controller 51,51 ', gripping electric machine controller 61,61 '.And Programmable Logic Controller 2 calculates and promotes actuating signal L11, L11 ', transports actuating signal T11, T11 '; Gripping actuating signal C11, C11 '.
Lifting actuating signal L11, L11 ' are sent to respectively through system bus 3 and promote electric machine controller 41,41 '; Promote electric machine controller 41,41 ' and drive lifting servomotor 4,4 ' running respectively; Promoting servomotor 4,4 ' accomplishes and promotes action through lifting transmission mechanism 42,42 ' driving hoisting mechanism respectively; Hoisting mechanism encoder 43,43 ' will promote actual displacement amount signal L12 respectively, L12 ' is sent to and promotes electric machine controller 41,41 ', and then transfer in the Programmable Logic Controller 2; Lifting servomotor encoder 44,44 ' also will promote feedback signal L13 respectively, L13 ' is sent to and promotes electric machine controller 41,41 ', and then transfer in the Programmable Logic Controller 2.When the value of (L11-L11 '), (L11-L12), (L11 ,-L12 ') or (L12-L12 ') exceeds when setting the limit, Programmable Logic Controller 2 assert that promptly promoting action makes mistakes, and sends the signal that reports an error and makes forcing press and pay-off shutdown.
Transporting actuating signal T11, T11 ' is sent to respectively through system bus 3 and transports electric machine controller 51,51 '; Transporting electric machine controller 51,51 ' drives respectively and transports servomotor 5,5 ' running; Transporting servomotor 5,5 ' drives conveyer and accomplishes and transport action through transporting transmission mechanism 52,52 ' respectively; Conveyer encoder 53,53 ' will transport actual displacement amount signal T12 respectively, T12 ' is sent to and transports electric machine controller 51,51 ', and then transfer in the Programmable Logic Controller 2; Transport that servomotor encoder 54,54 ' also will transport feedback signal T13 respectively, T13 ' is sent to and transports electric machine controller 51,51 ', and then transfer in the Programmable Logic Controller 2.When the value of (T11-T11 '), (T11-T12), (T11 ,-T12 ') or (T12-T12 ') exceeds when setting the limit, Programmable Logic Controller 2 assert that promptly transporting action makes mistakes, and sends the signal that reports an error and makes forcing press and pay-off shutdown.
Gripping actuating signal C11, C11 ' are sent to gripping electric machine controller 61,61 ' respectively through system bus 3; Gripping electric machine controller 61,61 ' drives gripping servomotor 6,6 ' running respectively; Gripping servomotor 6,6 ' drives gripping body through gripping transmission mechanism 62,62 ' respectively and accomplishes the gripping action; Gripping body encoder 63,63 ' is sent to gripping actual displacement amount signal C12, C12 ' gripping electric machine controller 61,61 ', and then transfers in the Programmable Logic Controller 2 respectively; Gripping servomotor encoder 64,64 ' also is sent to gripping electric machine controller 61,61 ' with gripping feedback signal C13, C13 ' respectively, and then transfers in the Programmable Logic Controller 2.When the value of (C11-C11 '), (C11-C12), (C11 '-C12 ') or (C12-C12 ') exceeds when setting the limit, Programmable Logic Controller 2 assert that promptly the gripping action makes mistakes, and sends the signal that reports an error forcing press and pay-off are shut down.
Programmable Logic Controller is according to the die position signal, calculates lifting, transports, gripping action set amount, mails to that each corresponding motor controller control promotes, transports, gripping body is synchronized with the movement, and the action that makes forcing press and pay-off synchronously.When pay-off is asynchronous with forcing press; The action set amount signal generation deviation that actual displacement amount signal that promote, transport, the gripping body encoder sends and Programmable Logic Controller send; When any deviate surpasses preset limit; Programmable Logic Controller sends the signal that reports an error, and forcing press and pay-off are shut down, and make forcing press, pay-off and workpiece exempt from damage.Therefore, Programmable Logic Controller can be kept watch on the performance of feed system automatically and incessantly and guarantee that pay-off is promoting, transports, all keeping synchronous on three direction of principal axis of gripping.
Except that the foregoing description, the present invention can also have other embodiments.Can only stop forcing press when for example Programmable Logic Controller detects wrong generation, perhaps when stopping forcing press, move pay-off to home away from punch die.The present invention can be used on the pay-off of single kinematic axis, also can be used on the pay-off with three or three above kinematic axis.And be not limited to adopt on the motor-driven pay-off, also can be used on the pay-off of fluid motor-driven.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.

Claims (3)

1. the intelligence control system of forcing press and pay-off thereof; Forcing press comprises the main camshaft and the secondary camshaft of symmetry action; Pay-off comprises hoisting mechanism, conveyer and gripping body; It is characterized in that this intelligence control system also comprises Programmable Logic Controller and the system bus that is connected with the Programmable Logic Controller signal; On the said main camshaft main encoder is installed, on the said secondary camshaft secondary encoder is installed, the signal of said main encoder and secondary encoder all inserts the signal input part of said Programmable Logic Controller; Said hoisting mechanism comprise promote servomotor, control promote the lifting electric machine controller of servomotor running, by promoting driven by servomotor and being attached thereto the lifting transmission mechanism that connects; Said lifting electric machine controller is connected with said Programmable Logic Controller signal through system bus; Said lifting transmission mechanism is provided with the hoisting mechanism encoder; Said lifting servomotor is provided with and promotes the servomotor encoder; The holding wire of said hoisting mechanism encoder and lifting servomotor encoder inserts the signal input part of said lifting electric machine controller respectively, and the signal output part of said lifting electric machine controller inserts said lifting servomotor; Said Programmable Logic Controller is accepted the forcing press die position signal of main encoder and secondary encoder, calculates the lifting actuating signal of pay-off, mails to said lifting electric machine controller, and then inputs to said lifting servomotor; The lifting feedback signal that lifting actual displacement amount signal that said hoisting mechanism encoder sends and lifting servomotor encoder send transfers to said Programmable Logic Controller through promoting electric machine controller respectively, supplies the Programmable Logic Controller judgement to promote to move and corrects errors; Said conveyer comprise transport servomotor, control transport servomotor running transport electric machine controller, by transporting driven by servomotor and being attached thereto the transmission mechanism that transports that connects; The said electric machine controller that transports is connected with said Programmable Logic Controller signal through system bus; The said transmission mechanism that transports is provided with the conveyer encoder; The said servomotor that transports is provided with and transports the servomotor encoder; Said conveyer encoder and the holding wire that transports the servomotor encoder insert the said signal input part that transports electric machine controller respectively, and the said signal output part that transports electric machine controller inserts the said servomotor that transports; Said Programmable Logic Controller is accepted the forcing press die position signal of main encoder and secondary encoder, calculates the actuating signal of transporting of pay-off, mails to the said electric machine controller that transports, and then inputs to the said servomotor that transports; Said conveyer encoder sends transports actual displacement amount signal and transports the feedback signal of transporting that the servomotor encoder sends and transfer to said Programmable Logic Controller through transporting electric machine controller respectively, supplies Programmable Logic Controller to judge to transport action to correct errors; Said gripping body comprises the gripping electric machine controller of gripping servomotor, the running of control gripping servomotor, by the gripping driven by servomotor and be attached thereto the gripping transmission mechanism that connects; Said gripping electric machine controller is connected with said Programmable Logic Controller signal through system bus; Said gripping transmission mechanism is provided with the gripping body encoder; Said gripping servomotor is provided with gripping servomotor encoder; The holding wire of said gripping body encoder and gripping servomotor encoder inserts the signal input part of said gripping electric machine controller respectively, and the signal output part of said gripping electric machine controller inserts said gripping servomotor; Said Programmable Logic Controller is accepted the forcing press die position signal of main encoder and secondary encoder, calculates the gripping actuating signal of pay-off, mails to said gripping electric machine controller, and then inputs to said gripping servomotor; The gripping feedback signal that gripping actual displacement amount signal that said gripping body encoder sends and gripping servomotor encoder send transfers to said Programmable Logic Controller through the gripping electric machine controller respectively, supplies Programmable Logic Controller judgement gripping action to correct errors.
2. the intelligence control system of forcing press according to claim 1 and pay-off thereof is characterized in that, said hoisting mechanism encoder, conveyer encoder and gripping body encoder are linear absolute encoder.
3. the intelligence control system of forcing press according to claim 1 and 2 and pay-off thereof is characterized in that, said main encoder and secondary encoder are absolute rotary encoder.
CN2010102094626A 2010-06-25 2010-06-25 Press and intelligent control system of feeding device thereof Active CN101885247B (en)

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CN104325056B (en) * 2014-11-29 2017-01-18 合肥合锻机床股份有限公司 Mechanism for driving two or more rotation encoders
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CN2239884Y (en) * 1995-11-24 1996-11-13 安智远 Automatic control device of oil press
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