CN101254532A - Alloy automatic running castings device of straight-line cast form - Google Patents
Alloy automatic running castings device of straight-line cast form Download PDFInfo
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- CN101254532A CN101254532A CNA2008100308479A CN200810030847A CN101254532A CN 101254532 A CN101254532 A CN 101254532A CN A2008100308479 A CNA2008100308479 A CN A2008100308479A CN 200810030847 A CN200810030847 A CN 200810030847A CN 101254532 A CN101254532 A CN 101254532A
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Abstract
The invention discloses an automatic alloy casting device for linear casting machines, which comprises a melt box and one or more casting pipes arranged on the bottom of the melt box and communicating with the inner cavity of the melt box and also comprises a main controller and a cylinder arranged on the top of the melt box, wherein the piston rod of the cylinder is connected with a plunger rod with a plug; the plunger rod extends to the entrance of the casting pipes to close or open the casting pipes; and the cylinder is connected with an air source through a solenoid valve controlled by a main controller. The automatic alloy casting device is mainly used for casting of melts such as Pb-Ca alloy to maximally reduce the oxidation of the alloy melt in the casting process, thus ensuring the certified component of the cast product, improving the casting accuracy, achieving high automation and high casting efficiency, saving energy and reducing consumption.
Description
Technical field
The invention belongs to the electromechanical integration field, relate to a kind of alloy automatic running castings device of straight-line cast form.
Background technology
Manual type is adopted in the casting of present lead-calcium alloy, and this mode of production exists that hand labor intensity is big, dangerous, the production cost problem of higher.Under this background, some enterprise attempts adopting the higher linear casting machine of automaticity to produce lead-calcium alloy, but because in process of production, alloy melt is because of can not accurate quantification control causing melt to reflux, thereby the alloying component oxidation is serious, causes the ingot casting off analysis.Therefore, realize the production of lead-calcium alloy on the linear casting machine, must solve a key technology---make the protoxydic automatic casting technology of alloy.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of alloy automatic running castings device of straight-line cast form to reflux, avoid the alloy melt over oxidation and improve cast efficient to prevent melt.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of alloy automatic running castings device of straight-line cast form, the gate spool that comprises the melt case and be arranged at described melt case bottom and be communicated with described melt box cavity, it is characterized in that: comprise that also a master controller and is arranged on the cylinder of described melt box top, described cylinder piston rod connects a stopper rod that is used to control the band chock plug that described gate spool opens and closes, described stopper rod extends to the inlet of described gate spool, and described cylinder is connected by the magnetic valve of described main controller controls and source of the gas by one.
Described melt box top is provided with one one end and is connected with the liquid supplementation pipe that Melt Pump, the other end extend to described melt box cavity.
Alloy automatic running castings device of straight-line cast form also comprises a permanent level controling mechanism, described permanent level controling mechanism comprises that stay-supported displacement transducer, a frequency-variable controller and that a ball float, is installed on described melt case top are used to drive the Melt Pump motor of described Melt Pump, and described ball float floats on the melt liquid level of described melt case and is connected with the backguy of described stay-supported displacement transducer.The displacement signal that described stay-supported displacement transducer obtains outputs to described frequency-variable controller, and the voltage of described frequency-variable controller output certain frequency drives described Melt Pump motor.
Alloy automatic running castings device of straight-line cast form comprises that also one connects the driving mechanism of described melt case, and described driving mechanism is motor and one of decelerator mechanism, pneumatic mechanism or hydraulic drive mechanism.Move back and forth in order to rotary reciprocating motion or the orthoscopic that realizes the melt case.
The described magnetic valve that alloy automatic running castings device of straight-line cast form comprises, cylinder and gate spool structure are many groups, each described cylinder piston rod extends to the inlet of a described gate spool by coupled stopper rod, each described cylinder is connected by a described magnetic valve and gas circuit, and the opening and closing of each described magnetic valve all are subjected to described main controller controls.
Alloy automatic running castings device of straight-line cast form comprises that also one is installed on described melt case bottom and the discharging tube and that is communicated with described melt box cavity is installed on the also vertical drainage mechanism that stretches into described melt box cavity of described melt box top; Described drainage mechanism comprises handle, discharge opeing stopper rod, axle sleeve, setscrew nut, described discharge opeing stopper rod is sleeved on the inlet that an end on the described axle sleeve extends to described discharging tube, the other end connects described handle, described setscrew nut periphery is fixed in the described axle sleeve, and the center screw spinning is on described discharge opeing stopper rod.
The master controller that improvement in addition, alloy automatic running castings device of straight-line cast form comprise comprises that also a connection is used to detect the sensor input port of described gate spool and mold relative position.
Concrete, the master controller of alloy automatic running castings device of straight-line cast form is PLC or single-chip microcomputer or DSP or FPGA or one of CPLD or ARM controller.
Described master controller is used to control the switching of described magnetic valve and the opening time of magnetic valve, thereby the control gate spool is to the fluence of watering of mold; Also be used to control the angular velocity of rotation of the action of driving mechanism, make that the point-to-point speed of gate spool and linear casting machine mold speed are synchronous, to ensure finishing of cast with control melt case.The driving mechanism that is used for melt case rotation comprises the reductor that a motor and is in transmission connection with this motor, and described speed reducer output shaft drives the melt case and rotates.Be specially: variable-frequency motor is a power source, slows down by decelerator, drives the power transmission shaft that connects melt case bottom and rotates, and power transmission shaft drives the rotation of melt case.
Also can adopt the straight reciprocating motion of translational drive mechanism control melt case, concrete available three kinds of forms realize: (1) motor and decelerator mechanism (" motor+decelerator "), (2) pneumatic mechanism and (3) hydraulic drive mechanism.
For " motor+decelerator " mechanism, its principle is: final stage of motor-driven is the decelerator of gear/tooth bar transmission, rotatablely moving of motor slowed down and be converted into rectilinear motion, the rack shaft of decelerator is connected with running gate system, thus the straight reciprocating motion of driving running gate system.
The drive principle of pneumatic mechanism, hydraulic drive mechanism is: cylinder or hydraulic cylinder are fixed, and its piston rod one end links to each other with the melt case, and piston rod is realized melt case (apparatus for pouring) straight reciprocating motion under pneumatic mechanism or hydraulic drive mechanism driving.
Master controller can be realized the synchronous and rapid return motion of running gate system and casting machine mold by the control to motor or pneumatic system magnetic valve or hydraulic system magnetic valve.Described permanent level controling mechanism is used to control the constant of the inner liquid level of melt case, the ball float that comprises in this mechanism, the stay-supported displacement transducer that is installed on described melt case top are used for liquid level and detect, the frequency converter of tape controller is given the Melt Pump motor according to the voltage of this liquid level detection signal and default level value and control strategy output certain frequency, the Melt Pump that the Melt Pump motor-driven is communicated with described liquid supplementation pipe pumps into melt to described melt case, thereby realizes the dynamically constant of the inner liquid level of melt case.Described cylinder and gate spool structure are many groups, are generally 2 ~ 8 groups, are used for simultaneously a plurality of molds being poured into a mould to enhance productivity.The drainage mechanism that is installed on described melt case bottom and is communicated with the discharging tube of this melt box cavity and is installed on the melt box top, its common interoperation is used for discharging the melt that the melt case does not also drain after casting complete.If the stay-supported displacement transducer breaks down, can control the highest liquid level of melt in the melt case by the liquid level warning sensor.This liquid level warning sensor is one and is connected with a ball float pull bar near switch between ball float and stay-supported position sensor, and when this ball float pull bar and this liquid level warning sensor were close to a certain degree, then output alarm signal was to frequency-variable controller.Whether the positions aligning sensor is installed on the linear casting machine to be used to detect gate spool and mold, and the signal of its detection outputs in the master controller, to ensure gate spool and mold reliable alignment.The control system of this apparatus for pouring can be based on technology such as PLC, single-chip microcomputer, industrial control computer and set up.
Apparatus for pouring of the present invention all is suitable for the alloy that all contain easy oxidation element.As calcium containing alloy, contain strontium alloy etc.
Beneficial effect of the present invention has:
(1) improves casting quality.Adopt one, closed rotary casting dolly and permanent liquid level control technology, reduced contacting of melt and air, avoided the melt backflow, reduced the oxidation of alloy melt in casting process to greatest extent, ensure the qualified of cast product composition, realized the production of alloys such as plumbous calcium on the linear casting machine thus; Adopt main controller controls to carry out the accurate quantification cast, improved the cast precision.
(2) improve cast efficient.This apparatus for pouring can be poured into a mould a plurality of ingot moulds simultaneously, for production efficiency further provides condition.
(3) realize the cast automation.Adopt master controller that apparatus for pouring is controlled, the control variable-frequency motor is realized the rotation or the translation of melt case, the switching of control cylinder valve and opening time, realization is to the accurate flow-control of the cast of mold, and persevering level controling mechanism ensures that melt case liquid level is constant, need not manual intervention, realized the automation of whole casting process.
(4) energy-saving and cost-reducing.Avoided the heat of the return loss of original melt, therefore the heat of having avoided motor idle running to consume is realized energy-saving and cost-reducing under the prerequisite that guarantees casting quality.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention;
Fig. 2 is the apparatus for pouring and the casting machine cooperating schematic diagram of the embodiment of the invention 1;
Fig. 3 is the principle schematic of the permanent level controling mechanism of the embodiment of the invention 1;
Fig. 4 is the structural representation of drainage mechanism of the present invention;
Fig. 5 is the master controller annexation schematic diagram of the embodiment of the invention 1;
Fig. 6 is the driving mechanism schematic diagram of the embodiment of the invention 2.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of alloy automatic running castings device of straight-line cast form of the present invention is a cast dolly 17 shown in Figure 2, and this cast dolly 17 is positioned on the support platform 12, and the alloy melt that is used to pour into a mould that relates to is the lead-calcium alloy melt.This cast dolly 17 adopts 1.1kw variable-frequency motor 15 to drive, slow down by helical teeth-spiral awl tooth decelerator 14, driving power transmission shaft 13 rotates, power transmission shaft 13 drives 2 rotations of melt case, regulate the rotating speed of variable-frequency motor 15 by frequency converter, thereby control melt case 2 point-to-point speed of gate spool 1 (being the velocity component of angular speed on the mold direction of motion of gate spool 1) when rotated keeps synchronously with linear casting machine 16 mold speed, to ensure finishing of cast; Be used to detect gate spool and mold positions aligning sensor is installed in casting machine 16 or mold, the output of its sensor connects the input of master controller PLC, when sprue gate that position sensor detects gate spool 1 during with linear casting machine 16 molds corresponding (alignment), start cast dolly 17, open cylinder 3 simultaneously and pour into a mould up to reaching the regulation ingot heavy by the PLC system, a period of time is followed the tracks of in time-delay behind the casting complete, guarantee that melt flows to end in the gate spool 1, return to origin is waited for enabling signal next time afterwards.17 designs of cast dolly have 4 gate spools 1, can pour into a mould 4 molds on the linear casting machine 16 simultaneously, the weight of ingot casting is to realize by the opening time of controlling 4 cylinders 3, the opening time of 4 cylinders 3 can online independent adjusting by the touch-screen that is connected with control system, can ensure thus respectively to pour into a mould the ingot standard weights that weighs when each runner changes in flow rate.
In order to reduce the oxidation of lead-calcium alloy in casting process, and to ensure the cast stability of flow, designed the permanent level controling mechanism of melt case, the structural representation of this controlling organization as shown in Figure 1, its Detection ﹠ Controling process is as shown in Figure 3.One stay-supported displacement transducer 6 is connected with ball float mechanism (comprising ball float 9 and floating ball rod 8) in being placed on melt case 2, detect the variation of liquid level in the melt case 2, stay-supported displacement transducer 6 detected liquid level data (corresponding voltage signal) are sent in the frequency-variable controller, compare with the predefined level value corresponding voltage value of this frequency-variable controller, its difference is as the input quantity of this frequency-variable controller, this frequency-variable controller (is controlled as PID according to certain control strategy, control strategies such as fuzzy control) output has the voltage signal driving Melt Pump motor of this frequency, thereby pump into certain melt to melt case 2 by liquid supplementation pipe 4, realize the constant of liquid level, make melt not be back to metallurgical pot, reduce alloy oxidation.If stay-supported displacement transducer 6 breaks down, can control the highest liquid level of melt in the melt case 2 by the liquid level warning sensor 7 that connects the PLC master controller.This liquid level warning sensor 7 is near switch, when ball float pull bar 8 near this switch, then export an alarm signal to frequency-variable controller, frequency-variable controller can stop the operation of Melt Pump motor or reduce the Melt Pump rotating speed of motor according to this alarm signal, is reduced to below the highest liquid level with the liquid level of controlling melt case 2.
The structure and principle of cast mechanism part: the inner chamber of melt case 2 communicates with gate spool 1, in order to control the cast of melt, open/close the inlet of gate spool 1 by a cylinder piston rod 20, control the time of melt cast by moving up and down of control cylinder 3 pistons, thereby reach the purpose that fluence is watered in control.As shown in Figure 5, cylinder 3 is driven by source of the gas (being the pressure origin), and piston rod 20 moves up and down under pneumatic system drives.With in the gas circuit that cylinder 3 links to each other a magnetic valve is installed, this magnetic valve is used to open or close the gas circuit that links to each other with cylinder, the piston rod 20 of control cylinder moves up and down thus.And the ON/OFF of magnetic valve comprises that by master controller PLC control open/close time length is by master controller PLC definite (time length is in advance by setting among the artificial master controller PLC).
The structure and the principle of drainage mechanism part: after casting complete,, remainder melt can be discharged from discharging tube 11 by the control drainage mechanism if the melt of melt case 2 does not also drain.As Fig. 1 and Fig. 4, discharging tube 11 and the welding of melt case 2 bottoms, and be communicated with melt case 2 inner chambers, drainage mechanism comprises handle 5, discharge opeing stopper rod 10, axle sleeve 19, setscrew nut 18, described discharge opeing stopper rod 10 is sleeved on the described axle sleeve 19, and an end extends to the inlet of described discharging tube 11, and the other end connects described handle 5, described setscrew nut 18 peripheries are fixed in the described axle sleeve 19, and the center screw spinning is on described discharge opeing stopper rod 10.The detailed process of discharge opeing is: artificial turn handle 4, discharge opeing stopper rod 10 can be realized upwards (or down) motion of stopper rod, thereby open or close discharging tube 11 inlets to realize discharge opeing control along with rotation together under the cooperation of nut 18.Discharge opeing stopper rod 10 cooperates with the inlet of discharging tube 11, the inlet of discharge opeing stopper rod 10 jam-pack discharging tubes 11 when apparatus for pouring is worked, not discharge opeing; When needing discharge opeing, the handle 5 of turn drainage mechanism, discharge opeing stopper rod 10 lifts, and discharging tube 11 is released.
Embodiment 2:
The difference of embodiment 2 and embodiment 1 is the transmission mechanism of melt case bottom, among the embodiment 2, the transmission mechanism of melt case 2 bottoms is used for melt case 2 and does reciprocal translational motion on the rectilinear direction parallel with casting machine 16 traffic directions, and its translation and this casting machine 16 molds move and keep synchronously.As Fig. 6, this transmission mechanism mainly comprises: motor 21, shaft coupling 22, the decelerator 23 of being with gear/rackwork, the rack shaft 24 that is connected with cast dolly 17 etc., concrete operation principle is: motor 21 drives the decelerator 23 of a band gear/rackwork, decelerator 23 is finished to slow down and will rotatablely move and is converted into rectilinear motion, rack shaft 24 drive cast dollies by decelerator are done straight reciprocating motion, by the control of master control system, can realize pouring into a mould being synchronized with the movement and fast return of dolly 17 and casting machine 16 molds to motor 21.
Claims (9)
1, a kind of alloy automatic running castings device of straight-line cast form, the gate spool that comprises the melt case and be arranged at described melt case bottom and be communicated with described melt box cavity, it is characterized in that: comprise that also a master controller and is arranged on the cylinder of described melt box top, described cylinder piston rod connects a stopper rod that is used to control the band chock plug that described gate spool opens and closes, described stopper rod extends to the inlet of described gate spool, and described cylinder is connected by the magnetic valve of described main controller controls and source of the gas by one.
2, a kind of alloy automatic running castings device of straight-line cast form as claimed in claim 1 is characterized in that:
Described melt box top is provided with one one end and is connected with the liquid supplementation pipe that Melt Pump, the other end extend to described melt box cavity.
3, a kind of alloy automatic running castings device of straight-line cast form as claimed in claim 1 is characterized in that:
Also comprise a permanent level controling mechanism, described permanent level controling mechanism comprises that stay-supported displacement transducer, a frequency-variable controller and that a ball float, is installed on described melt case top are used to drive the Melt Pump motor of described Melt Pump, and described ball float floats on the melt liquid level of described melt case and is connected with the backguy of described stay-supported displacement transducer.
4, a kind of alloy automatic running castings device of straight-line cast form as claimed in claim 3 is characterized in that:
The displacement signal that described stay-supported displacement transducer obtains outputs to described frequency-variable controller, and the voltage of described frequency-variable controller output certain frequency drives described Melt Pump motor.
5, a kind of alloy automatic running castings device of straight-line cast form as claimed in claim 1 is characterized in that:
Comprise that also one connects the driving mechanism of described melt case, described driving mechanism is motor and one of decelerator mechanism, pneumatic mechanism or hydraulic drive mechanism.
6, a kind of alloy automatic running castings device of straight-line cast form as claimed in claim 1 is characterized in that:
Described magnetic valve, cylinder and gate spool structure are many groups, the stopper rod that each described cylinder piston rod passes through to be connected extends to the inlet of a described gate spool, each described cylinder is connected by a described magnetic valve and gas circuit, and the opening and closing of each described magnetic valve all are subjected to described main controller controls.
7, a kind of alloy automatic running castings device of straight-line cast form as claimed in claim 1 is characterized in that:
Comprise that also one is installed on described melt case bottom and the discharging tube and that is communicated with described melt box cavity is installed on the also vertical drainage mechanism that stretches into described melt box cavity of described melt box top; Described drainage mechanism comprises handle, discharge opeing stopper rod, axle sleeve, setscrew nut, described discharge opeing stopper rod is sleeved on the inlet that an end on the described axle sleeve extends to described discharging tube, the other end connects described handle, described setscrew nut periphery is fixed in the described axle sleeve, and the center screw spinning is on described discharge opeing stopper rod.
8, a kind of alloy automatic running castings device of straight-line cast form as claimed in claim 1 is characterized in that:
Described master controller comprises that also a connection is used to detect the sensor input port of described gate spool and mold relative position.
9, as the described a kind of alloy automatic running castings device of straight-line cast form of one of claim 1 to 8, it is characterized in that: described master controller is PLC or single-chip microcomputer or DSP or FPGA or one of CPLD or ARM controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100308479A CN100562385C (en) | 2008-03-18 | 2008-03-18 | Alloy automatic running castings device of straight-line cast form |
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| CNB2008100308479A CN100562385C (en) | 2008-03-18 | 2008-03-18 | Alloy automatic running castings device of straight-line cast form |
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| CN101254532A true CN101254532A (en) | 2008-09-03 |
| CN100562385C CN100562385C (en) | 2009-11-25 |
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Cited By (11)
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| CN101642807B (en) * | 2009-09-08 | 2012-06-06 | 株洲冶炼集团股份有限公司 | Molten metal casting device and smelter |
| CN102554200A (en) * | 2011-12-28 | 2012-07-11 | 中南大学 | Volume-adjustable multi-mould quantitative pouring trough |
| CN104043800A (en) * | 2013-03-15 | 2014-09-17 | 宝山钢铁股份有限公司 | Tracking device for forecasting of slag discharge of continuous casting crystallizer and measuring of tonnage of tundish molten steel |
| CN104907548A (en) * | 2014-11-18 | 2015-09-16 | 秦皇岛燕大现代集成制造技术开发有限公司 | Powerful casting liquid adding system for aluminum alloy wheels |
| CN105618694A (en) * | 2014-11-10 | 2016-06-01 | 兴化市雅兰机械制造有限公司 | Casting system for nodular cast iron |
| CN107470601A (en) * | 2017-08-18 | 2017-12-15 | 株洲火炬工业炉有限责任公司 | A kind of metal casting aoxidizes apparatus for pouring less with high-temp liquid |
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| CN108057856A (en) * | 2018-01-23 | 2018-05-22 | 广西欧迪姆重工科技有限公司 | A kind of multithread mouth flow distributor and its equipment for turning round continuous production alloy |
| CN108339968A (en) * | 2017-04-20 | 2018-07-31 | 上海新研工业设备股份有限公司 | Automatic ration running gate system |
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| CN101642807B (en) * | 2009-09-08 | 2012-06-06 | 株洲冶炼集团股份有限公司 | Molten metal casting device and smelter |
| CN102554200A (en) * | 2011-12-28 | 2012-07-11 | 中南大学 | Volume-adjustable multi-mould quantitative pouring trough |
| CN104043800A (en) * | 2013-03-15 | 2014-09-17 | 宝山钢铁股份有限公司 | Tracking device for forecasting of slag discharge of continuous casting crystallizer and measuring of tonnage of tundish molten steel |
| CN104043800B (en) * | 2013-03-15 | 2016-04-27 | 宝山钢铁股份有限公司 | Continuous cast mold slag forecast and Metal in Tundish measuring tonnage tracking means |
| CN105618694A (en) * | 2014-11-10 | 2016-06-01 | 兴化市雅兰机械制造有限公司 | Casting system for nodular cast iron |
| CN104907548A (en) * | 2014-11-18 | 2015-09-16 | 秦皇岛燕大现代集成制造技术开发有限公司 | Powerful casting liquid adding system for aluminum alloy wheels |
| CN108339968A (en) * | 2017-04-20 | 2018-07-31 | 上海新研工业设备股份有限公司 | Automatic ration running gate system |
| CN107470601A (en) * | 2017-08-18 | 2017-12-15 | 株洲火炬工业炉有限责任公司 | A kind of metal casting aoxidizes apparatus for pouring less with high-temp liquid |
| CN107470601B (en) * | 2017-08-18 | 2019-08-20 | 株洲火炬工业炉有限责任公司 | A kind of metal casting aoxidizes casting device with high-temp liquid less |
| CN108044089A (en) * | 2018-01-23 | 2018-05-18 | 广西欧迪姆重工科技有限公司 | A kind of flow distributor and its equipment for turning round continuous production alloy |
| CN108057856A (en) * | 2018-01-23 | 2018-05-22 | 广西欧迪姆重工科技有限公司 | A kind of multithread mouth flow distributor and its equipment for turning round continuous production alloy |
| CN108927496A (en) * | 2018-07-12 | 2018-12-04 | 陕西柴油机重工有限公司 | A kind of middle high speed diesel engine body running gate system |
| CN111112573A (en) * | 2019-12-12 | 2020-05-08 | 胡利丽 | One shot forming's die-casting device that can breathe freely |
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| CN100562385C (en) | 2009-11-25 |
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