CN104943232A - Automatic adjustment and control system for mold closing height of fine blanking machine and control method thereof - Google Patents
Automatic adjustment and control system for mold closing height of fine blanking machine and control method thereof Download PDFInfo
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- CN104943232A CN104943232A CN201510371469.0A CN201510371469A CN104943232A CN 104943232 A CN104943232 A CN 104943232A CN 201510371469 A CN201510371469 A CN 201510371469A CN 104943232 A CN104943232 A CN 104943232A
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Abstract
The invention provides an automatic adjustment and control system for the mold closing height of a fine blanking machine and a control method thereof. The automatic adjustment and control system comprises an incremental linear displacement sensor, a fine blanking machine mold closing height adjustment mechanism and a PLC. The incremental linear displacement sensor is connected with the input end of the PLC. The output end of the PLC is connected with the fine blanking machine mold closing height adjustment mechanism. The incremental linear displacement sensor is used for detecting the current displacement of a terminal of the fine blanking machine mold closing height adjustment mechanism. The PLC is used for comparing the magnitude of the detected current displacement of the terminal of the fine blanking machine mold closing height adjustment mechanism with the magnitude of set target displacement and outputting a control signal to control forward motion and reverse motion of the fine blanking machine mold closing height adjustment mechanism. The automatic adjustment and control system inputs the mold closing height required by normal die production to a human-computer interaction interface, achieves automatic adjustment of the mold closing height of the fine blanking machine through the PLC and avoids various defects, which are adverse to field management, caused by traditional experience adjustment.
Description
Technical field
The present invention relates to smart impact machine technical field, be specifically related to a kind of smart impact machine die height adaptive control system and control method thereof.
Background technology
Fully automatic hydraulic essence impact machine is as domestically leading product, all the time, the adjustment of essence impact machine die height relies on the experience of operating personnel to complete at the scene completely, because operating personnel's level of skill is very different, often occurs because operating personnel adjust improper and causes the situation of burn failure.The present invention can realize the automatic adjustment of smart impact machine die height, and only need setting numerical value, can complete the adjustment of die height, make field management convenient, operating efficiency improves greatly.
Summary of the invention
The technical problem to be solved in the present invention is, for existing hydraulic pressure essence impact machine above shortcomings, a kind of smart impact machine die height adaptive control system and control method thereof are provided, realize the automatic adjustment of smart impact machine die height, all drawbacks being unfavorable for field management avoiding traditional experience adjustments to bring.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
Essence impact machine die height adaptive control system, comprise increment type linear displacement transducer, essence impact machine die height guiding mechanism, Programmable Logic Controller, described increment type linear displacement transducer is connected with the input of Programmable Logic Controller, the output of Programmable Logic Controller is connected with smart impact machine die height guiding mechanism, described increment type linear displacement transducer is for detecting the current location amount of smart impact machine die height guiding mechanism terminal, the size that described Programmable Logic Controller is measured with the target location of setting for the current location amount comparing the smart impact machine die height guiding mechanism terminal of detection, export positive movement and counter motion that control signal controls smart impact machine die height guiding mechanism.
By such scheme, described smart impact machine die height guiding mechanism comprises base and is arranged on the piston rod of motor on base, worm screw, worm gear, round nut, shut height positive stop and band trapezoidal thread, the output of motor is connected by worm and wheel, and worm gear is connected with the piston rod of band trapezoidal thread through round nut, shut height positive stop.
By such scheme, described increment type linear displacement transducer is arranged on base, the terminal of essence impact machine die height guiding mechanism is round nut, and the die height of the current adaptive mould of corresponding lathe is measured in the current location of the round nut that increment type linear displacement transducer detects.
By such scheme, described target location amount normally produces required die height for mould.
The control method of the present invention's essence impact machine die height adaptive control system, comprises the steps:
1) required die height normally produced by setting mould is target location amount, and inputs in Programmable Logic Controller by this target location amount by human-computer interaction interface;
2) detected the current location amount of the round nut of smart impact machine die height guiding mechanism by increment type linear displacement transducer, as the die height of the current adaptive mould of lathe, and current location amount is inputed in Programmable Logic Controller;
3) by Programmable Logic Controller comparison step 2) current location detected amount and step 1) size that the target location that sets measure, output control signal controls positive movement and the counter motion of smart impact machine die height guiding mechanism, is specially:
A, when target location amount is greater than current location amount, the motor positive movement of smart impact machine die height guiding mechanism, round nut rotates forward and drives shut height positive stop to move upward along piston rod;
B, when target location amount is less than current location amount, the motor counter motion of smart impact machine die height guiding mechanism, round nut reversion drives shut height positive stop to move downward along piston rod;
C, when target location amount equal current location amount, round nut adjustment terminate;
4) until current location amount is measured equal with target location, essence impact machine die height guiding mechanism completes whole self-regulating process (realizing the adjustment of mould die height), now human-computer interaction interface shows current die height and measures equal with the target location of setting.
By such scheme, the limit inferior position of described smart impact machine die height guiding mechanism is set as the reference zero of increment type linear displacement transducer, the digital quantity that each position of smart impact machine die height guiding mechanism is corresponding unique.
The present invention compared with prior art has following major advantage:
1, mould is normally produced required die height and be input to human-computer interaction interface, pass through Programmable Logic Controller, realize the automatic adjustment of smart impact machine die height, realize digital manipulation, all drawbacks being unfavorable for field management avoiding traditional experience adjustments to bring;
2, adopt increment type linear displacement transducer to have good economy, cost is lower, is applicable to promoting;
3, automaticity of the present invention is higher, can greatly reduce the mode transfer time of operating personnel.
Accompanying drawing explanation
Fig. 1 is the control principle flow chart of the present invention's essence impact machine die height adaptive control system;
Fig. 2 is the structural representation of the present invention's essence impact machine die height guiding mechanism;
Fig. 3 is the structural representation of motor in Fig. 2, worm screw, worm gear;
Fig. 4 is that the part of Programmable Logic Controller of the present invention controls schematic diagram;
In Fig. 2-3,1-base, 2-motor, 3-worm screw, 4-worm gear, 5-increment type linear displacement transducer, 6-round nut, 7-shut height positive stop, 8-piston rod, 9-essence impact machine die height guiding mechanism.
Detailed description of the invention
Below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
With reference to shown in Fig. 1 ~ Fig. 4, smart impact machine die height adaptive control system of the present invention, comprise increment type linear displacement transducer 5, essence impact machine die height guiding mechanism 9 (executing agency), Programmable Logic Controller, described increment type linear displacement transducer 5 is connected with the input of Programmable Logic Controller, the output of Programmable Logic Controller is connected with smart impact machine die height guiding mechanism, described increment type linear displacement transducer 5 is for detecting the current location amount of smart impact machine die height guiding mechanism 9 terminal, the size that described Programmable Logic Controller is measured with the target location of setting for the current location amount comparing smart impact machine die height guiding mechanism 9 terminal of detection, export positive movement and counter motion that control signal controls smart impact machine die height guiding mechanism 9, described target location amount normally produces required die height for mould.
As shown in Figure 2 to 3, described smart impact machine die height guiding mechanism 9 comprises base 1 and is arranged on the piston rod 8 of motor 2 on base 1, worm screw 3, worm gear 4, round nut 6, shut height positive stop 7 and band trapezoidal thread, the output of motor 2 is connected with worm gear 4 by worm screw 3, and worm gear 4 is connected with the piston rod 8 of band trapezoidal thread through round nut 6, shut height positive stop 7.Described increment type linear displacement transducer 5 is arranged on base 1, and the terminal of smart impact machine die height guiding mechanism is round nut 6, and the die height of the current adaptive mould of corresponding lathe is measured in the current location of the round nut 6 that increment type linear displacement transducer 5 detects.
The control method of the present invention's essence impact machine die height adaptive control system, comprises the steps:
1) required die height normally produced by setting mould is target location amount, and inputs in Programmable Logic Controller by this target location amount by human-computer interaction interface;
2) detected the current location amount of the round nut 6 of smart impact machine die height guiding mechanism 9 by increment type linear displacement transducer 5, as the die height of the current adaptive mould of lathe, and current location amount is inputed in Programmable Logic Controller;
3) by Programmable Logic Controller comparison step 2) current location detected amount and step 1) size measured of the target location that sets, export positive movement and counter motion that control signal controls smart impact machine die height guiding mechanism 9, realize the adjustment of mould die height, be specially:
A, when target location amount is greater than current location amount, motor 2 positive movement of smart impact machine die height guiding mechanism 9, round nut 6 rotates forward and drives shut height positive stop 7 to move upward along piston rod 8;
B, when target location amount is less than current location amount, motor 2 counter motion of smart impact machine die height guiding mechanism 9, round nut 6 reverses and drives shut height positive stop 7 to move downward along piston rod 8;
C, when target location amount equal current location amount, round nut 6 adjust terminate;
4) until current location amount is measured equal with target location, smart impact machine die height guiding mechanism completes whole self-regulating process, now human-computer interaction interface shows current die height and measures equal with the target location of setting.
By such scheme, the limit inferior position of described smart impact machine die height guiding mechanism 9 is set as the reference zero of increment type linear displacement transducer 5, the digital quantity that each position of smart impact machine die height guiding mechanism 9 is corresponding unique.
Essence impact machine die height guiding mechanism 9 is as executing agency, its positive movement and counter motion, the position quantity of executing agency's terminal is detected by increment type linear displacement transducer 5, and the process of Programmable Logic Controller internal arithmetic and human-computer interaction interface, what be converted to lathe die height adjusts ("+" and "-") up and down automatically, make the position quantity of executing agency (current location amount) corresponding with the die height (target location is measured) of mould, executing agency completes whole self-regulating process, be specially: the rotating of motor 2 drives worm screw 3 to drive worm gear 4 to move, thus make round nut 6 drive shut height positive stop 7 to move upward along piston rod 8, carry out regulating piston bar 8 by shut height positive stop 7 and can go up maximum position, thus realize the adjustment of mould die height.
As shown in Figure 4, the current location of high speed comparison module (instruction) the processing execution mechanism of Programmable Logic Controller amount is used to measure with target location the positive movement and the counter motion that control executing agency, mould is normally produced required die height parameters input to human-computer interaction interface, by the internal arithmetic of Programmable Logic Controller, be converted to the target location amount of round nut stored in D86; The current location amount detected by increment type linear displacement transducer is stored in C251, and by DZCPP instruction and other logical orders, can realize as amount D86 > current location, target location amount C251, round nut rotates forward; As amount D86 < current location, target location amount C251, round nut reverses, as amount D86=current location, target location amount C251, round nut adjustment terminates, now human-computer interaction interface showing current die height measures equal with the target location of setting, and realize on-the-spot digital management, lathe is adjusted to correct die height automatically, then by mould installation, can normal manufactured parts.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (6)
1. smart impact machine die height adaptive control system, it is characterized in that, comprise increment type linear displacement transducer, essence impact machine die height guiding mechanism, Programmable Logic Controller, described increment type linear displacement transducer is connected with the input of Programmable Logic Controller, the output of Programmable Logic Controller is connected with smart impact machine die height guiding mechanism, described increment type linear displacement transducer is for detecting the current location amount of smart impact machine die height guiding mechanism terminal, the size that described Programmable Logic Controller is measured with the target location of setting for the current location amount comparing the smart impact machine die height guiding mechanism terminal of detection, export positive movement and counter motion that control signal controls smart impact machine die height guiding mechanism.
2. smart impact machine die height adaptive control system as claimed in claim 1, it is characterized in that, described smart impact machine die height guiding mechanism comprises base and is arranged on the piston rod of motor on base, worm screw, worm gear, round nut, shut height positive stop and band trapezoidal thread, the output of motor is connected by worm and wheel, and worm gear is connected with the piston rod of band trapezoidal thread through round nut, shut height positive stop.
3. smart impact machine die height adaptive control system as claimed in claim 2, it is characterized in that, described increment type linear displacement transducer is arranged on base, the terminal of essence impact machine die height guiding mechanism is round nut, and the die height of the current adaptive mould of corresponding lathe is measured in the current location of the round nut that increment type linear displacement transducer detects.
4. smart impact machine die height adaptive control system as claimed in claim 1, is characterized in that, described target location amount normally produces required die height for mould.
5. the control method of smart impact machine die height adaptive control system, is characterized in that, comprise the steps:
1) required die height normally produced by setting mould is target location amount, and inputs in Programmable Logic Controller by this target location amount by human-computer interaction interface;
2) detected the current location amount of the round nut of smart impact machine die height guiding mechanism by increment type linear displacement transducer, as the die height of the current adaptive mould of lathe, and current location amount is inputed in Programmable Logic Controller;
3) by Programmable Logic Controller comparison step 2) current location detected amount and step 1) size that the target location that sets measure, output control signal controls positive movement and the counter motion of smart impact machine die height guiding mechanism, is specially:
A, when target location amount is greater than current location amount, the motor positive movement of smart impact machine die height guiding mechanism, round nut rotates forward and drives shut height positive stop to move upward along piston rod;
B, when target location amount is less than current location amount, the motor counter motion of smart impact machine die height guiding mechanism, round nut reversion drives shut height positive stop to move downward along piston rod;
C, when target location amount equal current location amount, round nut adjustment terminate;
4) until current location amount is measured equal with target location, smart impact machine die height guiding mechanism completes whole self-regulating process, now human-computer interaction interface shows current die height and measures equal with the target location of setting.
6. smart impact machine die height as claimed in claim 5 adjusts control method automatically, it is characterized in that, the limit inferior position of described smart impact machine die height guiding mechanism is set as the reference zero of increment type linear displacement transducer, the digital quantity that each position of smart impact machine die height guiding mechanism is corresponding unique.
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| CN201510371469.0A CN104943232A (en) | 2015-06-30 | 2015-06-30 | Automatic adjustment and control system for mold closing height of fine blanking machine and control method thereof |
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| CN201510371469.0A CN104943232A (en) | 2015-06-30 | 2015-06-30 | Automatic adjustment and control system for mold closing height of fine blanking machine and control method thereof |
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| CN107053751A (en) * | 2017-04-14 | 2017-08-18 | 武汉华夏精冲技术有限公司 | A kind of fine machine with round nut structure |
| CN114700929A (en) * | 2022-04-26 | 2022-07-05 | 河北易沃克机器人科技有限公司 | Transmission control method and device for worm gear mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107053751A (en) * | 2017-04-14 | 2017-08-18 | 武汉华夏精冲技术有限公司 | A kind of fine machine with round nut structure |
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Application publication date: 20150930 |