CN2757986Y - Digital control device for automatic scaling of shearing machine - Google Patents
Digital control device for automatic scaling of shearing machine Download PDFInfo
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- CN2757986Y CN2757986Y CN 200420055780 CN200420055780U CN2757986Y CN 2757986 Y CN2757986 Y CN 2757986Y CN 200420055780 CN200420055780 CN 200420055780 CN 200420055780 U CN200420055780 U CN 200420055780U CN 2757986 Y CN2757986 Y CN 2757986Y
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Abstract
The utility model provides a digital control device for automatic scaling of a plate shearing machine, which is provided with an operation keyboard, a display and a single-chip microcomputer control circuit, wherein the single-chip microcomputer control circuit uses a central processor as a core, and is connected to an address latching decoder, a first keyboard interface module, a second keyboard interface module and a display interface module respectively through address digital ports. The digital quantity output terminal of the central processor is connected to a ninth photocoupler; the digital quantity input terminal of the central processor is connected to a detecting element through a seventh photocoupler to a fourth photocoupler; the digital quantity output port of the central processor is connected to a stepping motor driver respectively through a first high-speed photocoupler to a second high-speed photocoupler; the digital input/output terminals are respectively connected to a user program memory; the base pin INT0 of the central processor is connected to an eighth photocoupler through a buffering driving gate; the base pin INT1 is connected to a third photocoupler. The utility model has the characteristic that allopatric control can be realized, and also has the characteristics of convenient operation, high positioning accuracy, low power consumption, etc.
Description
Technical field
The utility model relates to a kind of numerical control device, specifically a kind of numerical control device that is used for the plate shearing machine automatic gauging.
Background technology
Plate shearing machine is a kind ofly bulk sheet material can be sheared the plant equipment of processing, whole plate shearing machine mainly is made of knife rest, cutting knife, workbench, mechanical length measuring device, shearing drive unit etc., and wherein mechanical length measuring device comprises stock stop, screw, shakes handle and bearing etc.; Shear drive unit and comprise motor, flywheel, gear train and clutch etc.These mechanisms are by a controller monitoring.At present, most of plate shearing machines are by manually operated, exist inefficiency, machining accuracy at the bottom of, shortcoming such as poor stability.
The utility model content
In order to overcome the deficiency of the existing automatic operating function of plate shearing machine, the purpose of this utility model is to provide a kind of numerical control device that is used for the plate shearing machine automatic gauging.
The technical solution adopted in the utility model is:
The utlity model has operation keyboard, display and single chip machine controlling circuit, wherein said single chip machine controlling circuit is core with the central processing unit, is connected to the input pin of address latch decoder, the output pin of the first keyboard interface module, the input pin of the second keyboard interface module and the I/O pin of display interface device module respectively by its address digit port; The digital quantity output of central processing unit is connected to the former limit of the 9th photoelectrical coupler, and the secondary of this photoelectrical coupler links to each other with the base stage of a triode, and the colelctor electrode of this triode is connected to the coil of an auxiliary reclay of peripheral circuit; The digital quantity input of central processing unit is connected to the output signal line of detecting element through the 7th～the 4th photoelectrical coupler; The digital quantity output port of central processing unit is connected to the into pulse input end of motor driver through the 1st～the 2nd high-speed photoelectric coupler respectively, numeral I/O end is connected to DI, SK and the CS pin of user program memory respectively, and digital output end and pin RESET are connected to the WDI and the RES pin of watchdog circuit; The pin INT0 of central processing unit is by cushioning the secondary that driving gate is connected to the 8th photoelectrical coupler, and pin INT1 is connected to the secondary of the 3rd photoelectrical coupler; The working power of central processing unit is independently provided by external power source.
Described Industrial Control Computer has communication interface module, and its RE and DE pin link to each other with the digital input/output end port of central processing unit, are connected to the serial line interface of host computer by communication cable; Described Industrial Control Computer is provided with inner scram button, and this scram button is connected to the INT1 pin of central processing unit by the 10th photoelectrical coupler.
The utlity model has following advantage:
1. be convenient to remote monitoring.Because the utility model adopts single-chip microcomputer control technology, has communication interface, can realize strange land control.
2. positioning accuracy height.Because the utility model adopts stepping motor as driver part, and cooperates with threaded screw rod, improved positioning accuracy.
3. powerful.Because the utility model controller is made up of single-chip microcomputer and peripheral circuit thereof, cooperates software can control the required exercises of plate shearing machine automatically, and have detection, programming and Presentation Function.
4. low in energy consumption, the reliability height.Single-chip microcomputer of the present utility model and peripheral circuit thereof all adopt cmos device, and be low in energy consumption; On hardware, adopt isolation technology, improved the equipment reliability of operation.
5. easy to operate.Display unit of the present utility model can show stock stop actual position value and desired location value and spacing state, and all operations is all finished by singly-bound or single command, and the menu formula input of filling in a form is adopted in programming.
Description of drawings
Fig. 1 is the utility model application system overall construction drawing;
Fig. 2 is the utility model controller cut-away view;
Fig. 3 is the controller panel layout of a specific embodiment of the utility model;
Fig. 4 is circuit theory diagrams of the present utility model;
Fig. 5 is a control functional schematic of the present utility model.
The specific embodiment
Shown in Fig. 2,4, the utlity model has operation keyboard, display and single chip machine controlling circuit, wherein said single chip machine controlling circuit is a core with central processing unit U6, is connected to input pin D7～D0 of output pin Y0～Y7, the second keyboard interface module U2 of input pin IN0～IN7, the first keyboard interface module U1 of address latch decoder U5 and I/O pin B7～B0 of display interface device module U3 respectively by its address digit port P00～P07; The digital quantity output P23 of central processing unit U6 is connected to the former limit of the 9th photoelectrical coupler O9, and the secondary of this photoelectrical coupler O9 links to each other with the base stage of a triode Q1, and the colelctor electrode of this triode Q1 is connected to the coil of an auxiliary reclay of peripheral circuit; Digital quantity input P24～P27 of central processing unit U6 is connected to the output signal line of detecting element through the 7th～the 4th photoelectrical coupler O7～O4; Digital quantity output port P10～P11 of central processing unit U6 is connected to the pulse input end of stepper motor driver respectively through the 1st～the 2nd high-speed photoelectric coupler O1～O2, numeral I/O end P13～P15 is connected to DI, SK and the CS pin of user program memory U8 respectively, and digital output end P17 and pin RESET are connected to the WDI and the RES pin of watchdog circuit (U4); The pin INT0 of central processing unit U6 is by cushioning the secondary that driving gate U9D is connected to the 8th photoelectrical coupler O8, and pin INT1 is connected to the secondary of the 3rd photoelectrical coupler O3; The working power of central processing unit U6 is independently provided by external power source.
Described Industrial Control Computer has communication interface module U7, and its RE and DE pin link to each other with the digital input/output end port P12 of central processing unit U6, are connected to the serial line interface of host computer by communication cable; Described Industrial Control Computer is provided with inner scram button, and this scram button is connected to the INT1 pin of central processing unit U6 by the 10th photoelectrical coupler O10.
Shown in Fig. 1～4, single-chip microcomputer U6 of the present utility model adopts 89C51, address latch and decoder U5 adopt GAL16V8, user program memory U8 adopts 93C46, electrification reset and watchdog circuit U4 adopt MAX813L, RS485/TTL level translator U7 adopts SN75176, and keyboard interface circuit U1 adopts 74HC244 and 74HC377, and display interface device circuit U 3 adopts 74HC245; Outside 24Vdc digital state signal (limit signal of each, stepper motor driver status signal), input to single-chip microcomputer U6 through photoelectrical coupler, single-chip microcomputer U6 outputs signal to display and output circuit, the output signal of digital quantity is the open collector contact of isolating through photoelectricity, built-in fly-wheel diode, can drive the coil of relay, adopt high-speed photoelectric coupler control step motor driver, thereby the control stock stop is mobile.The power supply of two isolation is respectively single-chip microcomputer and peripheral components power supply, and single-chip microcomputer is accepted operational order by guidance panel, finishes corresponding operational motion, display working condition; Single-chip microcomputer by knives rack up and down the limit switch at two ends judge the position of cutter, and definite cutter depresses the performance of action, under automated manner, judgement is once depressed after action finishes automatically, postpones setting-up time, carries out next operation again; Single-chip microcomputer prevents excess of stroke operation, and determines mechanical zero according to the right side limit-switch positions by the extreme position of the limit switch judgement feeding stroke at two ends, the leading screw left and right sides; Single-chip microcomputer U6 is by sending step-by-step impulse to stepper motor driver, and the control step motor rotates, and this rotatablely moves and is converted to the rectilinear motion of stock stop by leading screw, and the umber of pulse that stepping is sent by control in the feeding location is finished.
Present embodiment adopts the graphic lcd of 192X64 dot matrix, can show the workpiece current location, target location/feeding distance (target location that shows " location " operation during the point flowing mode, the feeding distance that shows each feeding during equidistant mode), pending program line number, pending feeding displacement in the program, action to be finished after the complete feeding operation of program, carry out the preceding time of suspending of next operation after the program execution, the parity number that this line operate repeats, (X+ is to just spacing for condition prompting, X-is to negative spacing, Y+ is to upper limit, Y-is to lower limit, and the ES scram button is pressed, DF stepper motor driver fault, PS depresses signal output) etc.
In the process of control step motor raising speed, adopt the exponential curve algorithm of initial frequency decay, that is: when the preceding N secondary frequencies that rises exponentially in the control impuls frequency was set, the output of frequency be multiply by n/N with theoretical output valve, and wherein n is the sequence number of current interpolation cycle.Adopt this mode can overcome the too high problem of exponential curve original frequency, help the starting of motor.
As shown in Figure 5, the control function comprises:
1. manual control mode: can advance by button, retreat, locate, depress, zero clearing, equidistant feeding, revise locator value to revise operation such as feeding distance;
2. automatic control mode: join " single hop ", " continuously " reaches " stopping " button, carry out feeding automatically, depress, repeat and return Z-operation according to program;
3. programming: adopt the mode of filling in a form, comprise type of action (advance and depress, return zero, finish), feeding displacement, dead time, number of repetition;
4. show: current location, target location, running status;
Other: anxious stopping, the spacing detection of feeding, the cutter detection that puts in place.
After system powers on, at first manually return zero, determine mechanism's zero position.Under manual mode, earlier sheet material is put on the supporting plate, clamp, adjust the position by " advancing " or " retreating " button, by " depressing " button excision burr, by " zero clearing " button current location is made as zero, select next clipped position to shear by " advancing " or " retreating " button.The input desired location can make supporting plate be automatically moved to assigned address by " location " button.
Before operating automatically, carry out programing work earlier: set the action of per step operation, as advance and depress, return zero, end etc.; During for " advance and depress ", also to go out multiple parameters such as feeding distance, dead time, number of repetition at setting operation entirely; Under automated manner, can select initial orders capable by " ↑ " or " ↓ " button, by " continuously " button, the step that the equipment follow procedure is given is operated, up to EP (end of program) or by " stopping " button.Can end current operation by " stopping " button, and then can proceed, can only carry out a program at every turn by " single hop " button by " continuously " button.
Claims (3)
1. numerical control device that is used for the plate shearing machine automatic gauging, it is characterized in that: have operation keyboard, display and single chip machine controlling circuit, wherein said single chip machine controlling circuit is a core with central processing unit (U6), and (P00～P07) is connected to the input pin (output pin of IN0～IN7), the first keyboard interface module (the U1) (input pin of Y0～Y7), the second keyboard interface module (the U2) (D7～D0) and the I/O pin of display interface device module (the U3) (B7～B0) of address latch decoder (U5) respectively by its address digit port; The digital quantity output (P23) of central processing unit (U6) is connected to the former limit of the 9th photoelectrical coupler (O9), the secondary of this photoelectrical coupler (O9) links to each other with the base stage of a triode (Q1), and the colelctor electrode of this triode (Q1) is connected to the coil of an auxiliary reclay of peripheral circuit; ((O7～O4) is connected to the output signal line of detecting element to the digital quantity input of central processing unit (U6) through the 7th～the 4th photoelectrical coupler for P24～P27); ((O1～O2) is connected to the pulse input end of stepper motor driver to the digital quantity output port of central processing unit (U6) through the 1st～the 2nd high-speed photoelectric coupler respectively for P10～P11), (P13～P15) is connected to DI, SK and the CS pin of user program memory (U8) respectively to numeral I/O end, and digital output end (P17) and pin RESET are connected to the WDI and the RES pin of watchdog circuit (U4); The pin INT0 of central processing unit (U6) is by cushioning the secondary that driving gate (U9D) is connected to the 8th photoelectrical coupler (O8), and pin INT1 is connected to the secondary of the 3rd photoelectrical coupler (O3); The working power of central processing unit (U6) is independently provided by external power source.
2. by the described numerical control device that is used for the plate shearing machine automatic gauging of claim 1, it is characterized in that: described Industrial Control Computer has communication interface module (U7), its RE and DE pin link to each other with the digital input/output end port (P12) of central processing unit (U6), are connected to the serial line interface of host computer by communication cable.
3. by the described numerical control device that is used for the plate shearing machine automatic gauging of claim 1, it is characterized in that: described Industrial Control Computer is provided with inner scram button, and this scram button is connected to the INT1 pin of central processing unit (U6) by the 10th photoelectrical coupler (O10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055780 CN2757986Y (en) | 2004-12-15 | 2004-12-15 | Digital control device for automatic scaling of shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055780 CN2757986Y (en) | 2004-12-15 | 2004-12-15 | Digital control device for automatic scaling of shearing machine |
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| Publication Number | Publication Date |
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| CN2757986Y true CN2757986Y (en) | 2006-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420055780 Expired - Fee Related CN2757986Y (en) | 2004-12-15 | 2004-12-15 | Digital control device for automatic scaling of shearing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536362A (en) * | 2014-11-19 | 2015-04-22 | 天水锻压机床(集团)有限公司 | Electric control system of numerical-control plate shearing machine |
| CN104972467A (en) * | 2014-04-09 | 2015-10-14 | 常州中科智联机电科技有限公司 | Truss type robot controller based on single-chip microcomputer |
| CN105458605A (en) * | 2016-01-06 | 2016-04-06 | 河南天元网架股份有限公司 | Automatic control device for butt joint length of space-frame pole |
| CN106077792A (en) * | 2016-06-28 | 2016-11-09 | 佛山市三水艺辉印铁制罐有限公司 | A kind of cutter being automatically adjusted cutter location |
-
2004
- 2004-12-15 CN CN 200420055780 patent/CN2757986Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972467A (en) * | 2014-04-09 | 2015-10-14 | 常州中科智联机电科技有限公司 | Truss type robot controller based on single-chip microcomputer |
| CN104536362A (en) * | 2014-11-19 | 2015-04-22 | 天水锻压机床(集团)有限公司 | Electric control system of numerical-control plate shearing machine |
| CN105458605A (en) * | 2016-01-06 | 2016-04-06 | 河南天元网架股份有限公司 | Automatic control device for butt joint length of space-frame pole |
| CN106077792A (en) * | 2016-06-28 | 2016-11-09 | 佛山市三水艺辉印铁制罐有限公司 | A kind of cutter being automatically adjusted cutter location |
| CN106077792B (en) * | 2016-06-28 | 2018-02-09 | 佛山市三水艺辉印铁制罐有限公司 | A kind of cutter for automatically adjusting cutter location |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |