CN104338900A - Method for electrically controlling discrete lost foam casting production line - Google Patents
Method for electrically controlling discrete lost foam casting production line Download PDFInfo
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- CN104338900A CN104338900A CN201410561261.0A CN201410561261A CN104338900A CN 104338900 A CN104338900 A CN 104338900A CN 201410561261 A CN201410561261 A CN 201410561261A CN 104338900 A CN104338900 A CN 104338900A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
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Abstract
The invention relates to a method for electrically controlling a discrete lost foam casting production line. The method comprises the following steps: controlling all box conveying trolleys by utilizing a 'one-key calling' button on an electrical control mechanism to back to an automatic original point, and selecting a moulding line, a casting line and a cooling line on the production line by virtue of a touch screen to form a circulating work route; controlling trolleys on two sides of the moulding line in place, pushing empty sand boxes into the moulding line, and pushing moulded sand boxes out of the moulding line; controlling trolleys on two sides of the casting line to be in place, pushing the moulded sand boxes into the casting line, and pushing cast sand boxes out of the casting line; and controlling trolleys on two sides of the cooling line to be in place, pushing the cast sand boxes into the cooling line to cool the cast sand boxes, picking up pieces by opening the sand boxes, pouring sand out by overturning the sand boxes, and finally pushing the sand boxes out of the cooling line onto the trolleys to complete work circulation. According to the control method, the production requirement and development requirement of diversified mode of a discrete lost foam casting production line can be met, and the development of discrete lost foam casting production can be promoted.
Description
Technical field
The present invention relates to a kind of control method of Lost Form Casting Production Line, specifically a kind of electric control method of separate type Lost Form Casting Production Line.
Background technology
Technology of EPC starts to enter industrial applications in China from the nineties, and through the development of more than ten years, the lost foam casting industry of China is provided with certain scale, becomes the important component part of foundary industry.Technology of EPC is also promoted by state key and becomes the most widely used environmental protection new and high technology of transformation conventional cast industry.Lost foam casting defiber generally comprises mo(u)lding line, casting line and cooling line.Wherein, bury sand molding region at mo(u)lding line, casting area is casting line, and turnover machine mould turnover is at cooling line.Present Lost Form Casting Production Line mostly is separate type, also known as " lost foam casting defiber ", namely in Lost Form Casting Production Line, include many mo(u)lding lines, many casting lines and many cooling lines, sandbox is moved into place by dolly between each bar line, then promotes to put in place by the top-pushing mechanism being arranged at each bar thread end.Lost foam production line realizes the core of automated production, the cyclic process of control empty sandbox exactly, add bed load, bury case moulding, cast, cooling, empty sandbox.Usually a certain cyclic process defining in the industry Lost Form Casting Production Line is M mo(u)lding line, N casts line, Q cools line calling.Traditional running of lost foam production line gets back to automatic initial point forward or backwards by controlling dolly, the top-pushing mechanism that manual operation mo(u)lding line is other, sandbox is sent into mo(u)lding line, carry out adding bed load and burying case molding operation, then, the top-pushing mechanism that manual operation mo(u)lding line is other, sandbox after moulding is released, dolly is manually called to remove line of casting again, molten iron pouring operation is carried out to sandbox, treat that casting completes, the top-pushing mechanism that manual operation casting line is other again, sandbox after casting is released, dolly is manually called to go to cool line again, carry out cooling and the mould turnover operation of casting sandbox, the top-pushing mechanism that manual operation casting line is other again, empty sandbox after mould turnover is released, dolly is manually called to return automatic initial point again, complete a working cycles.
Visible, automatic initial point is the starting point of Lost Form Casting Production Line working cycle process, and this automatic initial point will ensure the productive temp of various endless form.Traditional control dolly is utilize dolly to move forward or backwards to automatic initial point, needs the position that clear and definite dolly is residing at present, controls dolly to neighbouring station line, is called by station, controls dolly to automatic initial point.
Traditional production line method of operation is substep manual operation, and namely dolly calling and station push away the equal separate operations of case, pushes away case operate by personnel selection dolly in the calling of certain station line and carrying out.Its shortcoming is, operating process is complicated, wastes time and energy.Along with the fast development of lost foam casting industry, the form of Lost Form Casting Production Line is more and more diversified.For the production scene of separate type Lost Form Casting Production Line having many mo(u)lding lines, many casting lines and many cooling lines, this manual control mode can not meet need of production already, affects and govern the development that lost foam casting is produced.
Summary of the invention
Object of the present invention is just to provide a kind of electric control method of separate type Lost Form Casting Production Line, to solve the problem of manual control mode impact and the production development of restriction lost foam casting.
The object of the present invention is achieved like this: a kind of electric control method of separate type Lost Form Casting Production Line, comprises the following steps:
A, whether all to be regained by all top-pushing mechanisms on sensing element senses Lost Form Casting Production Line; If no, then click on the touch-screen of electrical control mechanism and enter the debugging page, under the control of electrical control mechanism, also unreclaimed top-pushing mechanism is all regained;
The input of b, the input being clicked setting certain mo(u)lding line by the touch-screen of electrical control mechanism and output and certain cooling line is as the automatic initial point that in control Lost Form Casting Production Line, three are transported case dollies; Touch " a key calling " button in electrical control mechanism again, control the position of three automatic off-positions of fortune case dolly to automatic initial point;
C, to be clicked by the touch-screen of electrical control mechanism and select a mo(u)lding line in Lost Form Casting Production Line, a casting line and a cooling line to form a periodic duty route;
D, to be controlled by electrical control mechanism the first dolly in three fortune case dollies along the first orbital motion of connected moulding line and cooling line and automatically stops arriving the input of selected mo(u)lding line, controlling the second dolly in three fortune case dollies along the second orbital motion of connected moulding line and casting line stops the output to the selected mo(u)lding line of institute automatically, controls the 3rd dolly in three fortune case dollies along the 3rd orbital motion connecting casting line and cooling line also automatic stop arriving select the input cooling line;
E, after electrical control mechanism detects the stop sign that puts in place of three fortune case dollies, control the top-pushing mechanism action by the selected mo(u)lding line input of institute, enter in selected mo(u)lding line by the empty sandbox pushing tow that the first dolly carries, one on this mo(u)lding line output sandbox having completed moulding is by simultaneous ejection mo(u)lding line and enter on the second dolly; Pushing tow terminates, the controlled withdrawal of top-pushing mechanism;
F, after electrical control mechanism detects that the empty sandbox be pushed on selected mo(u)lding line enters the bed load jolt ramming station be arranged on this mo(u)lding line, start the bed load plain bumper action on this mo(u)lding line, bed load and jolt ramming operation are added to the empty sandbox entering bed load jolt ramming station, when electrical control mechanism detect the sandbox adding bed load enter be arranged on this mo(u)lding line bury case moulding station after, starting and this mo(u)lding line buries the action of case styling apparatus, burying case and molding operation to entering the sandbox burying case moulding station; Empty sandbox adds sand jolt ramming and namely becomes molding flask after burying case molding operation completing;
G, after during the empty sandbox on the first dolly is by pushing tow to mo(u)lding line, namely electrical control mechanism controls the first dolly and runs to the output of selected cooling line and automatically stop selecting to institute the output cooling line; Meanwhile, electrical control mechanism also controls to carry the second trolley travelling of molding flask and automatically stops select to institute the input of casting line, control the 3rd trolley travelling and automatically stop arriving select the output of line of casting;
H, detect that the second dolly and the 3rd dolly are after the stop sign that puts in place of casting line when electrical control mechanism, control institute and select top-pushing mechanism action by the line input of casting, entered by the molding flask pushing tow that second dolly carries in selected casting line, one on this casting line output terminal casting sandbox having completed casting is by simultaneous ejection casting line and enter on the 3rd dolly; Pushing tow terminates, the controlled withdrawal of top-pushing mechanism;
I, when electrical control mechanism detect be pushed into select casting line on molding flask enter the casting station be arranged on this casting line after, start the casting mechanism action on this casting line, to enter casting station molding flask carry out casting operation; Namely molding flask becomes casting sandbox after completing casting operation;
J, after during the molding flask on the second dolly is by pushing tow to casting line, electrical control mechanism namely control the second dolly to the output of select mo(u)lding line run and automatically stop arriving the output of selected mo(u)lding line; Meanwhile, electrical control mechanism controls the 3rd trolley travelling of carrying casting sandbox and automatically stops selecting to institute the input cooling line;
K, detect that the 3rd dolly and the first dolly are after the stop sign that puts in place of cooling line when electrical control mechanism, control institute and select the top-pushing mechanism action cooled by line input, enter in selected cooling line by the casting sandbox pushing tow that the 3rd dolly carries, one on this cooling line output terminal empty sandbox having completed the mould turnover operation of falling sand is cooled line by simultaneous ejection and enters on the first dolly; Pushing tow terminates, the controlled withdrawal of top-pushing mechanism;
L, after electrical control mechanism detects that the casting sandbox that cooled enters the mould turnover station being arranged on cooling line end on cooling line, the mould rollover unit controlled on this cooling line carries out case-opening goods-taking foundry goods and the mould turnover operation of falling sand to casting sandbox, and the empty sandbox after sand is put back on cooling line;
M, fall the empty sandbox after sand be pushed out cooling line and after entering the first dolly, a working cycles terminates, and automatically enters next working cycles when completing mould turnover.
In above-mentioned control procedure, sandbox, after being pushed into fortune case dolly, need control to send the clamping mechanism on case dolly to position operation to sandbox; Sandbox, before being pushed out and sending case dolly, need control to send the clamping mechanism on case dolly to unclamp sandbox.
In electric control method of the present invention, the electrical control process of " a key calling " in step b is: when electrical control mechanism is after the triggering signal receiving " a key calling " button, control the playback that three fortune case dollies carry out desired location respectively:
B1, for the first dolly of running on first track of connected moulding line with cooling line, control it to run to cooling line direction, in traveling process, if through the mo(u)lding line selected, then after the detection signal receiving the sensor arranged by selected mo(u)lding line input end, control the first slow down of the first dolly, then by the auxiliary control of the first proximity switch of being arranged at selected mo(u)lding line input end, make the first dolly accurately stop at the input of selected mo(u)lding line; If in traveling process through the mo(u)lding line selected, then control to stop after the first dolly drives to the first rail end always, control the first dolly again along the first track inverted running, arrive select mo(u)lding line time, after the detection signal receiving the sensor arranged by selected mo(u)lding line input end, control the first slow down of the first dolly, again by being arranged at the auxiliary control of the second proximity switch of selected mo(u)lding line input end, the first dolly is made accurately to stop at the input of selected mo(u)lding line;
B2, for the second dolly of running on second track of connected moulding line with casting line, control it to run to cooling line direction, in traveling process, if through the mo(u)lding line selected, then after the detection signal receiving the sensor arranged by selected mo(u)lding line output, control the first slow down of the second dolly, then by the auxiliary control of the 3rd proximity switch that is arranged at selected mo(u)lding line output, make the second dolly accurately stop at the output of selected mo(u)lding line; If in traveling process through the mo(u)lding line selected, then control to stop after the second dolly drives to the second rail end always, control the second dolly again along the second track inverted running, arrive select mo(u)lding line time, after the detection signal receiving the sensor arranged by selected mo(u)lding line output, control the first slow down of the second dolly, again by being arranged at the auxiliary control of the 4th proximity switch of selected mo(u)lding line output, the second dolly is made accurately to stop at the output of selected mo(u)lding line;
B3, for connecting the 3rd dolly that runs on casting line and the 3rd track of cooling line, control it to run to cooling line direction, in traveling process, if through the cooling line selected, then receive by select the detection signal of the sensor that cooling line input end is arranged after, control the first slow down of the 3rd dolly, then by be arranged at select the auxiliary control of the 5th proximity switch of cooling line input end, the 3rd dolly is accurately stopped at select the input cooling line; If in traveling process through the cooling line selected, then control to stop after the 3rd dolly drives to the 3rd rail end always, control the 3rd dolly again along the 3rd track inverted running, arrive select cooling line time, receive by select the detection signal of the sensor that cooling line input end is arranged after, control the first slow down of the 3rd dolly, again by be arranged at select the auxiliary control of the 6th proximity switch at cooling line output terminal place, the 3rd dolly is accurately stopped at select the input cooling line.
Advantage of the present invention is:
1, when not knowing the accurate stopping position of transporting case dolly, just dolly can be stopped on the correspondence position of set periodic duty route by " a key calling " button, these initial parking stalls can be described as " the automatic initial point " of periodic duty route.
2, before the whole sand box conveyor process of operation, only on the touch-screen of electrical control mechanism, correspondence need tap certain mo(u)lding line, certain casting line and certain cooling line, just can set a working cycles route easily, setting operation is intuitively easy, is convenient to field worker operation.
3, the automatic running of many mo(u)lding lines on separate type Lost Form Casting Production Line, many casting lines and many cooling lines can be carried out.
4, control bed load plain bumper and automatically add sand, jolt ramming, control the automatic mould turnover of mould rollover unit, the personnel that can reduce like this on bed load jolt ramming station and mould turnover station take.
5, coordinate moulding position touch-screen switch board can realize being operated by moulding staff close-table, thus realize sand box conveyor switch board and reach unmanned.
Present invention achieves Automated condtrol and the operation of separate type Lost Form Casting Production Line, simplify operating process, improve operating efficiency, work time saving and energy saving, adapt to need of production and the growth requirement of Lost Form Casting Production Line diversification of forms, the industry development that can greatly promote lost foam casting to produce.
Accompanying drawing explanation
Fig. 1 is the concrete distribution schematic diagram of one of separate type Lost Form Casting Production Line.
In figure: 1, the first dolly, the 2, second dolly, the 3, the 3rd dolly, 4,1# cools line, and 5,1# mo(u)lding line, 6,2# mo(u)lding line, 7, bed load jolt ramming station, 8, bury case moulding station, 9,1# casts line, 10,2# casting line, 11, mould turnover station 12, first track, the 13, second track, the 14, the 3rd track, 15, top-pushing mechanism, 16, negative pressure docking port.
Detailed description of the invention
Electric control method of the present invention is applicable to the various separate type Lost Form Casting Production Line be made up of many mo(u)lding lines, many casting lines and many cooling lines, describes electric control method of the present invention in detail below for Fig. 1.
Given by Fig. 1 is a kind of tactic pattern of separate type Lost Form Casting Production Line be made up of two mo(u)lding lines, two casting lines and a cooling line.Wherein, two mo(u)lding lines are divided into the left end of 1# mo(u)lding line 5 and 2# mo(u)lding line 6, two mo(u)lding lines to be input, and right-hand member is output; Article two, line of casting is divided into the left end of 1# casting line 9 and 2# casting 10, two, line casting line to be input, and right-hand member is output; Cooling line only has one, and for 1# cools line 4, its right-hand member is input, and left end is output.The left end of cooling line and two mo(u)lding lines is provided with connected moulding line and the first track 12 of cooling line, the first track 12 is provided with the first dolly 1; Between mo(u)lding line and casting line, be provided with connected moulding line and the second track 13 of casting line, the second track 13 is provided with the second dolly 2; At two bars of casting lines, the right-hand member of cooling line is provided with the 3rd track 14 being connected casting line and cooling line, the 3rd track 14 is provided with the 3rd dolly 3.
In two mo(u)lding lines, be provided with bed load jolt ramming station 7 near the input in left side, the output near right side is provided with and buries case moulding station 8, and bed load plain bumper is arranged on bed load jolt ramming station 7, buries case styling apparatus and is arranged on and buries on case moulding station 8.Two casting lines arrange casting station respectively, above the casting station in two casting lines, can a set of casting mechanism be set respectively, also can shares a set of casting mechanism.The output of cooling line 4 is set to mould turnover station 11, and mould turnover station 11 is provided with mould rollover unit.
For above-mentioned separate type Lost Form Casting Production Line, control procedure of the present invention is as follows:
One, whether all regained by all top-pushing mechanisms 15 on sensing element senses Lost Form Casting Production Line; If no, then click on the touch-screen of electrical control mechanism and enter the debugging page, under the control of electrical control mechanism, also unreclaimed top-pushing mechanism is all regained.
The automatic running beat of the separate type lost foam production line two, according to Fig. 1, clicks the work automatic initial point of input as three fortune case dollies in this Lost Form Casting Production Line of input and output and the 1# cooling line 4 setting 2# mo(u)lding line 6 by the touch-screen of electrical control mechanism.Touch " a key calling " button in electrical control mechanism again, control the position of three automatic off-positions of fortune case dolly to set automatic initial point;
Three, clicked the 1# mo(u)lding line 5 in selection Lost Form Casting Production Line by the touch-screen of electrical control mechanism, 1# casts line 9 and 1# cooling line 4 forms a periodic duty route.
Four, the first dolly 1 controlled in three fortune case dollies by electrical control mechanism is run and the automatic input stopped to 1# mo(u)lding line 5 along connected moulding line and the first track 12 of cooling line, second dolly 2 runs along connected moulding line and the second track 13 of casting line and automatically stops the output to 1# mo(u)lding line 5, the position of 3rd dolly 3 on the 3rd track 14 connecting casting line and cooling line is motionless, namely still stops at the input that 1# cools line 4.
Five, after the stop sign that puts in place the first dolly 1, second dolly 2 and the 3rd dolly 3 being detected when electrical control mechanism, the top-pushing mechanism action that control 1# mo(u)lding line 5 input is other, enter in 1# mo(u)lding line 5 by the empty sandbox pushing tow that the first dolly 1 carries, one on 1# mo(u)lding line 5 output sandbox having completed moulding is by simultaneous ejection mo(u)lding line and enter on the second dolly 2; Pushing tow terminates, the controlled withdrawal of top-pushing mechanism.
Six, after electrical control mechanism detects that the empty sandbox be pushed on 1# mo(u)lding line 5 enters the bed load jolt ramming station 7 be arranged on this mo(u)lding line, start the bed load plain bumper action on this mo(u)lding line, bed load and jolt ramming operation are added to the empty sandbox entering bed load jolt ramming station; When electrical control mechanism detect the sandbox adding bed load enter be arranged on this mo(u)lding line bury case moulding station 8 after, starting and this mo(u)lding line bury the action of case styling apparatus, burying case and molding operation to entering the sandbox burying case moulding station.Empty sandbox adds sand jolt ramming and namely becomes molding flask after burying case molding operation completing.
Seven, after during the empty sandbox on the first dolly 1 is by pushing tow to 1# mo(u)lding line 5, namely electrical control mechanism controls the output that the first dolly 1 cools line 4 to 1# and runs and automatically stop cooling to 1# the output of line 4; Meanwhile, the second dolly 2 that electrical control mechanism also controls to carry molding flask runs and the input of the line 9 that automatically stops casting to 1#, controls the 3rd dolly 3 and runs and the output of the line 9 that automatically stops casting to 1#.
Eight, when electrical control mechanism detects that the second dolly 2 and the 3rd dolly 3 are after the stop sign that puts in place at 1# casting line 9 two ends, the top-pushing mechanism action that control 1# casting line 9 input is other, the molding flask pushing tow that second dolly 2 carries being entered 1# casts in line 9, one on this casting line output terminal casting sandbox having completed casting by simultaneous ejection 1# casting line 9, and enters on the 3rd dolly 3.Pushing tow terminates, the controlled withdrawal of top-pushing mechanism.
Nine, after electrical control mechanism detects that being pushed into the 1# molding flask of casting on line 9 enters the casting station be arranged on this casting line, start the casting mechanism action on this casting line, casting operation is carried out to the molding flask entering casting station.Namely molding flask becomes casting sandbox after completing casting operation.
Ten, after the molding flask on the second dolly 2 is cast in line 9 by pushing tow to 1#, namely electrical control mechanism controls the second dolly 2 and runs to the output of 1# mo(u)lding line 5 and automatically stop the output to 1# mo(u)lding line 5; Meanwhile, electrical control mechanism controls the 3rd dolly 3 operation of carrying casting sandbox and automatically stops the input to 1# cooling line 4.
11, when electrical control mechanism detects that the 3rd dolly 3 and the first dolly 1 are after 1# cools the stop sign that puts in place at line 4 two ends, control 1# cools the other top-pushing mechanism action of line 4 input, the casting sandbox pushing tow that 3rd dolly 3 carries being entered 1# cools in line 4, one on this cooling line output terminal empty sandbox having completed the mould turnover operation of falling sand is cooled line 4 by simultaneous ejection 1#, and enters on the first dolly 1.Pushing tow terminates, the controlled withdrawal of top-pushing mechanism.
12, after electrical control mechanism detects that the casting sandbox cooled on 1# cooling line 4 enters the mould turnover station 11 being arranged on cooling line end, the mould rollover unit controlled on this cooling line carries out case-opening goods-taking foundry goods and the mould turnover operation of falling sand to casting sandbox, and the empty sandbox after sand is put back into 1# and cools on line 4.
13, fall the empty sandbox after sand and be pushed out 1# when completing mould turnover and cool after line 4 enters the first dolly 1, a working cycles terminates, and automatically enters next working cycles.
The beginning of automatic cycle, the first dolly 1 is loaded with an empty sandbox, and the second dolly 2 and the 3rd dolly 3 are not all loaded with sandbox.All station lines and each fortune case dolly are all provided with clamping feedback signal, are unlikely to come off with the sandbox on the line ensureing to transport the case dolly production line when rail moving and on car.Each fortune case dolly is slowed down by proximity switch at every bar station line, parking, to ensure that fortune case dolly accurately stops to station line.Top-pushing mechanism is also provided with hydraulic cylinder stretch out and regain action feedback signal.Also have connection and the control signal of electrical control mechanism and other switch boards in addition.
In the electrical control process of the separate type Lost Form Casting Production Line shown in Fig. 1, the automatic initial point of work due to three fortune case dollies is that correspondence has been set in the input of 2# mo(u)lding line 6 and the input of output and 1# cooling line 4, therefore, the concrete control procedure of " key calling " is: when electrical control mechanism is after the triggering signal receiving " a key calling " button, controls the playback that the mode of clicking carries out desired location respectively of three fortune case dollies:
One, for the first dolly 1 run on the first track 12, control it and cool the operation of line 4 direction to 1#, in traveling process, if through 2# mo(u)lding line 6, then after the detection signal receiving the sensor arranged by 2# mo(u)lding line 6 input end, control the first slow down of the first dolly 1, then by the auxiliary control of the first proximity switch of being arranged at 2# mo(u)lding line 6 input end, make the first dolly 1 accurately stop at the input of 2# mo(u)lding line 6; If not through 2# mo(u)lding line 6 in traveling process, then control to stop after the first dolly 1 drives to the first rail end always, control the first dolly 1 again along the first track inverted running, when arriving 2# mo(u)lding line 6, after the detection signal receiving the sensor arranged by 2# mo(u)lding line 6 input end, control the first slow down of the first dolly 1, again by being arranged at the auxiliary control of the second proximity switch of 2# mo(u)lding line 6 input end, the first dolly 1 is made accurately to stop at the input of 2# mo(u)lding line 6.
Two, for the second dolly 2 run on the second track 13, because 1# cools forward one end that line 4 is arranged on the second track 13, therefore, as long as no the position signalling of the second dolly 2 at automatic initial point being detected, the second dolly 2 can be controlled and cool to 1# the output that the direction of line 4 runs to 2# mo(u)lding line 6, and after the detection signal receiving the sensor arranged by 2# mo(u)lding line 6 output, control the first slow down of the second dolly 2, again by being arranged at the auxiliary control of the 3rd proximity switch of 2# mo(u)lding line 6 output, the second dolly 2 is made accurately to stop at the output of 2# mo(u)lding line 6.
Three, for the 3rd dolly 3 run on the 3rd track 14, because 1# cools forward one end that line 4 is arranged on the 3rd track 14, therefore, as long as no the position signalling of the 3rd dolly 3 at automatic initial point being detected, can be controlled it and cool the operation of line 4 direction to 1#, and after the detection signal receiving the sensor being cooled the setting of line 4 input end by 1#, control the first slow down of the 3rd dolly 3, cooling the auxiliary control of the 5th proximity switch of line 4 input end again by being arranged at 1#, making the 3rd dolly 3 accurately stop at the input of 1# cooling line 4.
Controlled by a key calling, make up the electric adjustment process of complicated fortune case dolly Aligning control, when the little truck position of the unknown fortune case, all controlledly can get back to the automatic initial point of respective work voluntarily.
In separate type Lost Form Casting Production Line, bed load jolt ramming cabinet is positioned at bed load jolt ramming station 7, and jolt ramming cabinet is positioned at and buries case moulding station 8, and automatic butt cabinet is positioned at casting station, and for controlling negative pressure docking system, turnover machine switch board is positioned at mould turnover station 11.
Add bed load work to be completed by bed load ram-jolt cabinet, bury case moulding and completed by ram-jolt cabinet, casting is taken out negative pressure work and is completed by automatic butt cabinet, and mould turnover is completed by turnover machine switch board, and sand box conveyor switch board has been the controlling organization of production line.
Several switch board cooperatively interacts, and sand box conveyor cabinet controls bed load ram-jolt cabinet and adds sand, jolt ramming to empty sandbox.Add sand, the jolt ramming time can be regulated by sand box conveyor cabinet.Ram-jolt cabinet is by operative, EPS mould and the dead head of being responsible for white mould to be brushed with coating are placed on sandbox central authorities, ram-jolt cabinet is utilized to control to bury sand molding jolt ramming edge of table back-up sand limit jolt ramming, until dry sand stops gaza from during sandbox end face about 50mm, covered with plastic film on dry sand, then cup be placed in down gate top and on film, sprinkle one deck loose sand, during to prevent cast, molten iron splashes down to water and wears film and cause gas leakage to step on case.After burying sand molding, select sand box conveyor mode by ram-jolt sand box conveyor sub-control button cashier's office in a shop, sand box conveyor production line starts automatic running.Lost foam casting casting cycle be EPS mould by liquid metal the moulding process of replacing, in casting cycle, EPS mould decomposes, and produces a large amount of gas.Vavuum pump docking port is docked on sandbox, therefore in casting cycle, does not allow casting line top-pushing mechanism to push away case, otherwise docking port can be caused to damage.By the time, after cooling line pushes away case, sand box conveyor switch board triggers turnover machine switch board, and turnover machine is drop on vibrating conveyer shakeout by the foundry goods of having cast and sand, and sand is fallen in separator conveyer by knockout grid, and foundry goods is separated with sand.
Claims (3)
1. an electric control method for separate type Lost Form Casting Production Line, is characterized in that, comprises the following steps:
A, whether all to be regained by all top-pushing mechanisms on sensing element senses Lost Form Casting Production Line; If no, then click on the touch-screen of electrical control mechanism and enter the debugging page, under the control of electrical control mechanism, also unreclaimed top-pushing mechanism is all regained;
The input of b, the input being clicked setting certain mo(u)lding line by the touch-screen of electrical control mechanism and output and certain cooling line is as the automatic initial point that in control Lost Form Casting Production Line, three are transported case dollies; Touch " a key calling " button in electrical control mechanism again, control the position of three automatic off-positions of fortune case dolly to automatic initial point;
C, to be clicked by the touch-screen of electrical control mechanism and select a mo(u)lding line in Lost Form Casting Production Line, a casting line and a cooling line to form a periodic duty route;
D, to be controlled by electrical control mechanism the first dolly in three fortune case dollies along the first orbital motion of connected moulding line and cooling line and automatically stops arriving the input of selected mo(u)lding line, controlling the second dolly in three fortune case dollies along the second orbital motion of connected moulding line and casting line stops the output to the selected mo(u)lding line of institute automatically, controls the 3rd dolly in three fortune case dollies along the 3rd orbital motion connecting casting line and cooling line also automatic stop arriving select the input cooling line;
E, after electrical control mechanism detects the stop sign that puts in place of three fortune case dollies, control the top-pushing mechanism action by the selected mo(u)lding line input of institute, enter in selected mo(u)lding line by the empty sandbox pushing tow that the first dolly carries, one on this mo(u)lding line output sandbox having completed moulding is by simultaneous ejection mo(u)lding line and enter on the second dolly; Pushing tow terminates, the controlled withdrawal of top-pushing mechanism;
F, after electrical control mechanism detects that the empty sandbox be pushed on selected mo(u)lding line enters the bed load jolt ramming station be arranged on this mo(u)lding line, start the bed load plain bumper action on this mo(u)lding line, bed load and jolt ramming operation are added to the empty sandbox entering bed load jolt ramming station, when electrical control mechanism detect the sandbox adding bed load enter be arranged on this mo(u)lding line bury case moulding station after, starting and this mo(u)lding line buries the action of case styling apparatus, burying case and molding operation to entering the sandbox burying case moulding station; Empty sandbox adds sand jolt ramming and namely becomes molding flask after burying case molding operation completing;
G, after during the empty sandbox on the first dolly is by pushing tow to mo(u)lding line, namely electrical control mechanism controls the first dolly and runs to the output of selected cooling line and automatically stop selecting to institute the output cooling line; Meanwhile, electrical control mechanism also controls to carry the second trolley travelling of molding flask and automatically stops select to institute the input of casting line, control the 3rd trolley travelling and automatically stop arriving select the output of line of casting;
H, detect that the second dolly and the 3rd dolly are after the stop sign that puts in place of casting line when electrical control mechanism, control institute and select top-pushing mechanism action by the line input of casting, entered by the molding flask pushing tow that second dolly carries in selected casting line, one on this casting line output terminal casting sandbox having completed casting is by simultaneous ejection casting line and enter on the 3rd dolly; Pushing tow terminates, the controlled withdrawal of top-pushing mechanism;
I, when electrical control mechanism detect be pushed into select casting line on molding flask enter the casting station be arranged on this casting line after, start the casting mechanism action on this casting line, to enter casting station molding flask carry out casting operation; Namely molding flask becomes casting sandbox after completing casting operation;
J, after during the molding flask on the second dolly is by pushing tow to casting line, electrical control mechanism namely control the second dolly to the output of select mo(u)lding line run and automatically stop arriving the output of selected mo(u)lding line; Meanwhile, electrical control mechanism controls the 3rd trolley travelling of carrying casting sandbox and automatically stops selecting to institute the input cooling line;
K, detect that the 3rd dolly and the first dolly are after the stop sign that puts in place of cooling line when electrical control mechanism, control institute and select the top-pushing mechanism action cooled by line input, enter in selected cooling line by the casting sandbox pushing tow that the 3rd dolly carries, one on this cooling line output terminal empty sandbox having completed the mould turnover operation of falling sand is cooled line by simultaneous ejection and enters on the first dolly; Pushing tow terminates, the controlled withdrawal of top-pushing mechanism;
L, after electrical control mechanism detects that the casting sandbox that cooled enters the mould turnover station being arranged on cooling line end on cooling line, the mould rollover unit controlled on this cooling line carries out case-opening goods-taking foundry goods and the mould turnover operation of falling sand to casting sandbox, and the empty sandbox after sand is put back on cooling line;
M, fall the empty sandbox after sand be pushed out cooling line and after entering the first dolly, a working cycles terminates, and automatically enters next working cycles when completing mould turnover.
2. the electric control method of separate type Lost Form Casting Production Line according to claim 1, is characterized in that, sandbox, after being pushed into fortune case dolly, need control to send the clamping mechanism on case dolly to position operation to sandbox; Sandbox, before being pushed out and sending case dolly, need control to send the clamping mechanism on case dolly to unclamp sandbox.
3. the electric control method of separate type Lost Form Casting Production Line according to claim 1, it is characterized in that, the electrical control process of " a key calling " in step b is: when electrical control mechanism is after the triggering signal receiving " a key calling " button, control the playback that three fortune case dollies carry out desired location respectively:
B1, for the first dolly of running on first track of connected moulding line with cooling line, control it to run to cooling line direction, in traveling process, if through the mo(u)lding line selected, then after the detection signal receiving the sensor arranged by selected mo(u)lding line input end, control the first slow down of the first dolly, then by the auxiliary control of the first proximity switch of being arranged at selected mo(u)lding line input end, make the first dolly accurately stop at the input of selected mo(u)lding line; If in traveling process through the mo(u)lding line selected, then control to stop after the first dolly drives to the first rail end always, control the first dolly again along the first track inverted running, arrive select mo(u)lding line time, after the detection signal receiving the sensor arranged by selected mo(u)lding line input end, control the first slow down of the first dolly, again by being arranged at the auxiliary control of the second proximity switch of selected mo(u)lding line input end, the first dolly is made accurately to stop at the input of selected mo(u)lding line;
B2, for the second dolly of running on second track of connected moulding line with casting line, control it to run to cooling line direction, in traveling process, if through the mo(u)lding line selected, then after the detection signal receiving the sensor arranged by selected mo(u)lding line output, control the first slow down of the second dolly, then by the auxiliary control of the 3rd proximity switch that is arranged at selected mo(u)lding line output, make the second dolly accurately stop at the output of selected mo(u)lding line; If in traveling process through the mo(u)lding line selected, then control to stop after the second dolly drives to the second rail end always, control the second dolly again along the second track inverted running, arrive select mo(u)lding line time, after the detection signal receiving the sensor arranged by selected mo(u)lding line output, control the first slow down of the second dolly, again by being arranged at the auxiliary control of the 4th proximity switch of selected mo(u)lding line output, the second dolly is made accurately to stop at the output of selected mo(u)lding line;
B3, for connecting the 3rd dolly that runs on casting line and the 3rd track of cooling line, control it to run to cooling line direction, in traveling process, if through the cooling line selected, then receive by select the detection signal of the sensor that cooling line input end is arranged after, control the first slow down of the 3rd dolly, then by be arranged at select the auxiliary control of the 5th proximity switch of cooling line input end, the 3rd dolly is accurately stopped at select the input cooling line; If in traveling process through the cooling line selected, then control to stop after the 3rd dolly drives to the 3rd rail end always, control the 3rd dolly again along the 3rd track inverted running, arrive select cooling line time, receive by select the detection signal of the sensor that cooling line input end is arranged after, control the first slow down of the 3rd dolly, again by be arranged at select the auxiliary control of the 6th proximity switch at cooling line output terminal place, the 3rd dolly is accurately stopped at select the input cooling line.
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| CN201410561261.0A CN104338900B (en) | 2014-10-21 | 2014-10-21 | The electric control method of separate type Lost Form Casting Production Line |
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| CN201410561261.0A CN104338900B (en) | 2014-10-21 | 2014-10-21 | The electric control method of separate type Lost Form Casting Production Line |
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Cited By (5)
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| CN104815945A (en) * | 2015-03-31 | 2015-08-05 | 安徽惠明机械制造有限公司 | Sand treatment technology for high nickel austenite nodular cast iron |
| CN105499518A (en) * | 2016-02-05 | 2016-04-20 | 宁国市志诚机械制造有限公司 | Casting mold production line and casting production line |
| CN110369705A (en) * | 2019-08-08 | 2019-10-25 | 襄阳金耐特机械股份有限公司 | Precoated sand casting production line |
| CN111069581A (en) * | 2018-10-19 | 2020-04-28 | 科华控股股份有限公司 | Vertical parting on-line sampling device for boxless high-pressure molding production line |
| CN112496313A (en) * | 2020-11-17 | 2021-03-16 | 江苏沙钢集团有限公司 | Novel automatic box overturning system and method for automatic lost foam sand box |
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| CN104815945A (en) * | 2015-03-31 | 2015-08-05 | 安徽惠明机械制造有限公司 | Sand treatment technology for high nickel austenite nodular cast iron |
| CN105499518A (en) * | 2016-02-05 | 2016-04-20 | 宁国市志诚机械制造有限公司 | Casting mold production line and casting production line |
| CN111069581A (en) * | 2018-10-19 | 2020-04-28 | 科华控股股份有限公司 | Vertical parting on-line sampling device for boxless high-pressure molding production line |
| CN110369705A (en) * | 2019-08-08 | 2019-10-25 | 襄阳金耐特机械股份有限公司 | Precoated sand casting production line |
| CN112496313A (en) * | 2020-11-17 | 2021-03-16 | 江苏沙钢集团有限公司 | Novel automatic box overturning system and method for automatic lost foam sand box |
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|---|---|
| CN104338900B (en) | 2016-05-04 |
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Denomination of invention: Method for electrically controlling discrete lost foam casting production line Effective date of registration: 20170113 Granted publication date: 20160504 Pledgee: Hebei venture base Cci Capital Ltd. Pledgor: HEBEI RUIOU LOST FOAM SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2017130000002 |
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