CN2195401Y - Computer shear-gauge length control apparatus of pneumatic flying saw for steel pipes - Google Patents
Computer shear-gauge length control apparatus of pneumatic flying saw for steel pipes Download PDFInfo
- Publication number
- CN2195401Y CN2195401Y CN 94238903 CN94238903U CN2195401Y CN 2195401 Y CN2195401 Y CN 2195401Y CN 94238903 CN94238903 CN 94238903 CN 94238903 U CN94238903 U CN 94238903U CN 2195401 Y CN2195401 Y CN 2195401Y
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- saw
- steel pipe
- model
- utility
- microcomputer
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- Expired - Fee Related
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model relates to a computer shear-gauge controlling apparatus of a pneumatic flying saw for steel pipes, and the utility model is used for the fixed-length cutting control of a welded tube for steel production. The utility model is characterized in that an optical code disc device is arranged on a saw vehicle to measure the speed and the length of a steel pipe; the utility model is provided with a controllable translational clamping device correcting residual shear-gauge error for the second time; an electric line adopts a microcomputer-control box. The utility model has the advantages of high precision, low cost, convenient installation, low failure rate and convenient maintenance, and the utility model is suitable for the improvement the fixed-length cutting of the existing pneumatic flying saw for the steel pipes.
Description
The pneumatic steel pipe that the utility model relates to a kind of welded tube fixed length cutting control in iron and steel production flies to saw microcomputer scale control device.
The overwhelming majority flies saw with pneumatic steel pipe on welded pipe product line at present, yet the overwhelming majority is relay control aspect electrical control, no high-acruracy survey and calculating means, the scale error can reach more than 100 millimeters, can only be by time chi valency delivery of low precision retaining, if will be with ± 10 millimeters the error criterion supply of material, then need secondary saw head under the line, making lumber recovery descends, waste is serious, the sizing accuracy that pneumatic steel pipe flies to saw is too low to be the hard nut to crack that perplexs welded tube factory for many years, accidental programmable controller (PLC) counting of using is controlled in indivedual factories, because of being subjected to the quick computing capability restriction of PLC can not realize controlling real-time model, scale instability, error still reach 40～50 millimeters.
The purpose of this utility model is to the improvement of existing flying saw fixed length cutting, provides a sizing accuracy height, pneumatic steel pipe easy to maintenance, that price is low, fault is few to fly to saw microcomputer scale control device.
For this reason, the technical solution of the utility model is the photoelectric code disk measurement mechanism to be set to measure the length and the speed of steel pipe on the saw car, the photoelectric code disk measurement mechanism is by cylinder, measuring roller, carrying roller and little frame are formed, carrying roller places holds steel pipe below the tested steel pipe, be equipped with measuring roller above the steel pipe, it contacts with tested steel pipe, one end of measuring roller is equipped with photoelectric code disk, little frame is loaded on the saw car platform, on the little frame cylinder is housed, so that compressing with tested steel pipe all the time, measuring roller contacts, the saw car is provided with the clamping device of controlled translation, it is by the interlock chuck, clamping cylinder, leading screw, decelerator and micro machine are formed, the interlock chuck is loaded on and is positioned at the steel pipe both sides on the dovetail groove, drive leading screw by motor by decelerator and make chuck parallel moving on dovetail groove, electric wiring partly adopts the microcomputer control cabinet, it comprises power supply unit, panel, the machine cage of STD bus printed board is housed, signal synthesis plate and change-over panel are formed, in the STD bus printed board machine cage host power supply motherboard is arranged, tally, tablet, output board, on-gauge plates such as drive plate, what its characteristics were arranged is the signal synthesis plate, it is by dial switch, isolating diode, triode, relay and R-S trigger are formed, the setting valve that difference flies to saw is set by dial switch, dial switch and input bus are isolated by diode, bus is driven for microcomputer by triode and reads in, and on-site signal is read in by microcomputer after relay isolation R-S trigger is anti-shake.
The utility model embodiment is described further in conjunction with the accompanying drawings.
Fig. 1 is the pneumatic steel pipe flying saw tool structural representation of band measuring mechanism and clamp mechanism;
Fig. 2 is a microcomputer control cabinet structured flowchart;
Fig. 3 is the comprehensive printed line of a microcomputer control signal road schematic diagram.
By shown in Figure 1, the photoelectric code disk measuring mechanism is by little frame 3, measuring roller 4, carrying roller 6, photoelectric code disk 2 and compressing with little cylinder 1 is formed, measuring roller is the roller of a rub resistance, its diameter is chosen as 127.3 millimeters, then girth is 400 millimeters, surface spraying antifriction material, photoelectric code disk adopts 1000 pulses/week, hold-down cylinder adopts the modular, pneumatically powered element of 140 millimeters of strokes, and carrying roller 6 is loaded on below the tested steel pipe to hold steel pipe, and measuring roller is contained on the little frame 3, by compressing measuring roller is contacted all the time with tested steel pipe with little cylinder 1, measuring roller 4 one ends are equipped with photoelectric code disk 2, contact with measuring roller 4 then to drive photoelectric code disk and rotate and send pulse to the microcomputer control cabinet after tested steel pipe enters horn mouth 5, measure the length and the speed of steel pipe.
For secondary is proofreaied and correct remaining scale error, by shown in Figure 1, the clamping device of a controlled translation is set on the saw car, and it is by interlock chuck 8, clamping cylinder, leading screw 9, dovetail groove 7, decelerator 10, micro machine 11 is formed, and interlock chuck 8 is loaded on and is positioned at the steel pipe both sides on the dovetail groove 7, drives leading screw 9 by microcomputer 11 by decelerator 10, make chuck 8 parallel moving on dovetail groove, range of translation is ± 20 millimeters.
For make be contained in the photoelectric code disk measurement mechanism of saw on the car when breaking down without parking maintenance, one cover code-disc measurement mechanism is set on flying saw lathe bed vertical plane, it is by chain drum 13 sprocket wheel 12(or tooth bar, gear) form with photoelectric code disk 2, photoelectric code disk 2 is arranged on the sprocket shaft, is used for measuring the translation of saw car.
By shown in Figure 2, the microcomputer control cabinet comprises power supply unit, panel, the machine cage of STD bus printed board is housed, the signal synthesis plate, change-over panel is formed, the host power supply motherboard is arranged in the STD bus printed board, tally, tablet, output board, plug-in units such as drive plate, have on the motherboard and be solidificated in EPRDW(2764) in 8K byte dedicated program, the microcomputer hardware major part is an on-gauge plate, the signal synthesis plate is custom-designed, by shown in Figure 3, it is by dial switch K1～K4, isolating diode V54～V77, triode V7～V10, relay K 6～K9 and R-S trigger are formed, setting valve that difference flies to saw such as clamping time, the pine folder time, the error center offset, measuring roller compensation etc. is set by the binary system dial switch, isolate by V54～V77=utmost point pipe between dial switch and input bus, bus is driven for microcomputer by triode V7～V10 and reads in, on-site signal such as saw blade zero-bit, the saw car limit, faults etc. are isolated through relay K 6～K9, the anti-shake back of R-S trigger is read in by microcomputer, and the signal synthesis circuit is connected through flat cable X1 with main frame or outlet terminal, X2, X3 finishes.
Therefore at the dedicated program of EPROW except that input and output commonly used, counting, demonstration, driving supervisor, calculate with measuring and calculating error change trend first derivative, the second dervative of real-time error, error, and control clamps the lead that cuts off.The computing formula of lead ea is:
e
a=(de)/(dt) t presss from both sides-1/2 (de
2)/(dt
2) t
2Folder
In the formula: ea is the margin of error when sending clamping signal in advance, and the t folder is that pneumatic chuck is from issuing a signal to the time delay of clamping tube.
Control procedure is as follows: the saw car advances at zero point, steel pipe, calculate according to existing error to the moment near scale, send the saw car and start the signal that advances, the saw car back error of advancing continues to reduce, the ea value that reaches prediction and calculation is pressed from both sides out the clamping order, clamp the back according to residual error, send corrective command, the clam(shell) bucket translation, send down the cutter order after proofreading and correct residual error, cut off steel pipe and come back be upper after, a sawing cycle is finished in loose chuck and carriage return.
Advantage of the present utility model is:
Price is low, easy for installation, light little additional measuring mechanism need only be installed, aligning gear and computer case are surveyed length, speed measuring device and secondary correction mechanism owing to used, and precision improves can satisfy supply of material requirement, avoid secondary sawing lumber recovery loss under the line, failure rate is low, easy to maintenance is owing to by the additional measuring mechanism that is made up of sprocket wheel, chain, photoelectric code disk, can enhance productivity by on-line maintenance.
Claims (2)
1, a kind of by length-measuring appliance, the pneumatic steel pipe that electric control circuit is formed flies to saw microcomputer scale control device, it is characterized in that:
On A, the saw car photoelectric code disk measurement mechanism is set, it is made up of cylinder (1), measuring roller (4), code-disc (2), roller (6) and little frame (3), the steel pipe top is equipped with a measuring roller (4), it contacts with tested steel pipe, the coaxial photoelectric code disk (2) that is equipped with of measuring roller 4, cylinder (1) is housed on the little frame (3), contacts so that measuring roller (4) compresses with tested steel pipe all the time;
B, saw car are provided with the clamping device of controlled translation, it is by interlock chuck (8), clamping cylinder (1), leading screw (9), dovetail groove (7), decelerator (10), micro machine (11) is formed, interlock chuck (8) is loaded on the dovetail groove (7) and is positioned at the steel pipe both sides, and micro machine (11) drives leading screw (9) by decelerator (10);
C, be provided with and comprise power supply unit, panel, in host power supply is arranged, motherboard, tally, tablet, output board, the machine cage of the STD bus printed board of drive plate, change-over panel and signal synthesis plate are formed, the signal synthesis plate is by dial switch, isolating diode, triode, relay and R-S trigger are formed, the setting value that difference flies to saw is set by dial switch K1～K4, between dial switch and the input bus by V54～V77 diode-isolated, bus is driven for microcomputer by triode V7～V10 and reads in, on-site signal is isolated through relay K 6～K9, and the anti-shake back of R-S trigger is read in by microcomputer.
2, pneumatic steel pipe according to claim 1 flies to saw microcomputer scale control device, it is characterized in that, described length-measuring appliance also can be provided with a cover photoelectric code disk measurement mechanism on flying saw lathe bed vertical plane, it is made up of with photoelectric code disk (2) chain (13), key wheel (12), and photoelectric code disk (2) is arranged on key wheel (12) axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94238903 CN2195401Y (en) | 1994-06-16 | 1994-06-16 | Computer shear-gauge length control apparatus of pneumatic flying saw for steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94238903 CN2195401Y (en) | 1994-06-16 | 1994-06-16 | Computer shear-gauge length control apparatus of pneumatic flying saw for steel pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2195401Y true CN2195401Y (en) | 1995-04-26 |
Family
ID=33846214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94238903 Expired - Fee Related CN2195401Y (en) | 1994-06-16 | 1994-06-16 | Computer shear-gauge length control apparatus of pneumatic flying saw for steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2195401Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037418C (en) * | 1994-12-03 | 1998-02-18 | 李士华 | Program-controlled frequency-changing flying sawing machine |
| CN103212750A (en) * | 2012-01-18 | 2013-07-24 | 番禺珠江钢管有限公司 | Steel pipe saw cutting method |
| CN104625214A (en) * | 2013-11-08 | 2015-05-20 | 北京二十一世纪科技发展有限公司 | Method and device for controlling fly cutter cut-off machine and fly cutter cut-off machine system |
| CN107486587A (en) * | 2016-06-13 | 2017-12-19 | 上海梅山钢铁股份有限公司 | A kind of thinned amount compensation process for improving shearing setting model control accuracy |
-
1994
- 1994-06-16 CN CN 94238903 patent/CN2195401Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037418C (en) * | 1994-12-03 | 1998-02-18 | 李士华 | Program-controlled frequency-changing flying sawing machine |
| CN103212750A (en) * | 2012-01-18 | 2013-07-24 | 番禺珠江钢管有限公司 | Steel pipe saw cutting method |
| CN104625214A (en) * | 2013-11-08 | 2015-05-20 | 北京二十一世纪科技发展有限公司 | Method and device for controlling fly cutter cut-off machine and fly cutter cut-off machine system |
| CN104625214B (en) * | 2013-11-08 | 2017-07-07 | 北京二十一世纪科技发展有限公司 | The control method of fly cutter cutting machine, control device and fly cutter cutting machine system |
| CN107486587A (en) * | 2016-06-13 | 2017-12-19 | 上海梅山钢铁股份有限公司 | A kind of thinned amount compensation process for improving shearing setting model control accuracy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |