A kind of electric furnace is to the ladle automatic conveying system of casting machine
Technical field
The present invention relates to metallurgical casting technical field, relate in particular to the ladle automatic conveying system of a kind of electric furnace to casting machine.
Background technology
At present in metallurgical casting production industry, electro-smelting molten iron is out put into ladle, process ladle being delivered to casting machine uses the transport of ring-shaped guide rail high-altitude, or directly land used car transport, and use overhead traveling crane landing.This kind of means of transportation needs more human intervention, and labour intensity is large, and can not realize ladle automatic transportation, the problem of casting, conevying efficiency is low, cost of transportation is high, and more dangerous, easily occurs security incidents such as substitute.
Summary of the invention
The technical problem to be solved in the present invention is to provide the ladle automatic conveying system of a kind of electric furnace to casting machine, and it has that automaticity is high, cost of transportation is low, labour intensity is low and the feature such as safe and reliable.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of electric furnace is to the ladle automatic conveying system of casting machine, stokehold rollgang is provided with before each electric furnace, each stokehold rollgang be arranged in parallel, and each stokehold rollgang is aligned on same straight line away from one end of electric furnace, also comprise the transfer ear track paralleled with above-mentioned straight line, the transfer ear rolled is provided with the transfer ear rollgang that one or two and stokehold rollgang are suitable for transfer ear track, the side corresponding with each stokehold rollgang at transfer ear track is provided with the roller conveyor suitable with transfer ear rollgang, the ladle switching mechanism suitable with casting machine is connected at the other end of roller conveyor, ladle switching mechanism comprises switching mechanism fixed mount, switching mechanism fixed mount is provided with the ladle fixing and turning device horizontally rotating with it and be connected, ladle fixing and turning device comprises horizontally disposed rotating shaft, two ends and the switching mechanism fixed mount of rotating shaft are rotationally connected, the middle part of rotating shaft is fixedly connected with ladle fixed mount, ladle fixed mount comprises the deep-slotted chip breaker suitable with ladle profile, deep-slotted chip breaker is provided with ladle fixture, also comprise the drive unit that ladle fixing and turning device can be made to rotate around the axis, ladle fixture is the pair of beams suitable with ladle outer wall two side bayonet slot, the drive unit that ladle fixing and turning device can be made to rotate around the axis is hydraulic jack, hydraulic jack is arranged between switching mechanism fixed mount and ladle fixing and turning device, switching mechanism fixed mount is provided with tipper rollgang ladle being transported to ladle fixing and turning device, also comprise one or two ladle travelling bogie, ladle travelling bogie comprises square ladle and places plate, the width that ladle places the width of plate and above-mentioned rollgang is suitable, the ladle length of placing plate slightly larger than above-mentioned rollgang adjacent roller-way between three times of distance, place below plate in ladle and be provided with the ladle travelling bogie track suitable with the roller wheel at each roller-way two ends of above-mentioned rollgang, ladle travelling bogie track is consistent with the length direction that ladle places plate, place on plate in ladle and place ladle.
The present invention improves further and is:
Electric furnace and casting machine are on same horizontal plane, and roller conveyor is linear pattern rollgang.
Casting machine is different with the horizontal level of electric furnace, and the two is perpendicular, roller conveyor comprises high-order rollgang and low level rollgang, the vertical apice of high-order rollgang and low level rollgang is provided with the roller-conveying device that liftable rotates, it is square framework that the roller-conveying device that liftable rotates comprises cross section, be symmetrical vertical four angle steel arranged in the corner of framework, the interior angle of four angle steel is vertical slide rail, rise and fall roller dolly is provided with in framework, rise and fall roller dolly comprises quadrate support plate, gripper shoe is slidably connected by the pulley and vertical slide rail being arranged on gripper shoe four angles, the roller-way track be fixed on substrate is provided with above gripper shoe, vertical shaft is fixedly connected with below the middle part of substrate, vertical shaft to be rolled with gripper shoe by bearing and is connected, the first piston formula executing agency that can make vertical shaft rotary 90 ° is provided with between gripper shoe and vertical shaft, elevator delivery roller-way is provided with above roller-way track, the below of elevator delivery roller-way is provided with can along the roller of roller-way orbital motion, second piston actuator that elevator delivery roller-way can be made along roller-way orbital motion is provided with between substrate and elevator delivery roller-way, rise and fall roller dolly by vertical lifting mechanism vertically slide rail move up and down.
Casting machine is different with the horizontal level of electric furnace, and the two is in same vertical guide, and roller conveyor comprises high-order rollgang and low level rollgang, is provided with at the delivery position of high-order rollgang and low level rollgang the roller-conveying device that liftable rotates.
Rise and fall roller dolly neutral axis is passed down through gripper shoe, and first piston formula executing agency is positioned at the below of gripper shoe; First piston formula executing agency and the second piston actuator are fluid-operated piston formula executing agency.
Vertical lifting mechanism comprises the bridge motor being arranged on frame roof, bridge motor is connected with cross shaft driving by reduction gear box, the bilateral symmetry of transverse axis is provided with sprocket wheel, also comprise respectively with two chains of two sprocket engagement, one end and the rise and fall roller dolly of two chains are fixed, and the other end of two chains and weight and the suitable counterweight of rise and fall roller dolly mount.
The beneficial effect adopting technique scheme to produce is:
The present invention is by stokehold rollgang, can along the transfer ear being loaded with transfer ear rollgang of transfer ear rail moving, low level rollgang, the roller-conveying device that liftable rotates, high-order rollgang, build and can meet the ladle automatic transport roller-way of the electric furnace under various condition to casting machine, and realized the molten iron Automatic-dumping in ladle to casting machine by ladle switching mechanism, use ring-shaped guide rail high-altitude transport ladle comparatively, or directly land used car transport ladle, and by the means of transportation of overhead traveling crane landing, there is automaticity high, cost of transportation is low, low and the feature such as safe and reliable of labour intensity.
The roller-conveying device that liftable in the present invention rotates, differing heights can be completed or also need the linking of the rollgang of turning simultaneously, fill up low level rollgang and high-order rollgang not by the technological gap that rollgang is connected, there is the features such as automaticity is high, cost of transportation is low.
Ladle switching mechanism in the present invention designs for ladle Automatic-dumping specially, can complete the work being poured onto casting machine of the molten iron in ladle, not need the closely operation of operating personnel, thus avoids the personal injury that operating process causes; There is handling safety, automaticity high.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the partial enlarged drawing of in Fig. 3 I;
Fig. 5 is the structural representation of ladle switching mechanism in the present invention;
Fig. 6 is the rearview of Fig. 5;
Structural representation when Fig. 7 is ladle switching mechanism upset ladle in the present invention;
Fig. 8 is the structural representation of the roller-conveying device that in the present invention, liftable rotates;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the partial view of Fig. 8;
Figure 11 is the A-A sectional view of Fig. 8;
Figure 12 is the partial view of Fig. 9.
In the accompanying drawings: 1, ladle switching mechanism; 1-1, switching mechanism fixed mount; 1-2, rotating shaft; 1-3, deep-slotted chip breaker; 1-5, crossbeam; 1-6, hydraulic jack; 1-7, tipper rollgang; 4, ladle; 8, stokehold rollgang; 9, transfer ear track; 10, transfer ear; 11, transfer ear rollgang; 12, electric furnace; 13, casting machine; 14, ladle travelling bogie; 14-1, ladle place plate; 14-2, ladle travelling bogie track; 15, roller wheel; 16, high-order rollgang; 17, low level rollgang; 18, the roller-conveying device of liftable rotation; 18-1, framework; 18-2, gripper shoe; 18-3, substrate; 18-4, roller-way track; 18-5, vertical shaft; 18-6, first piston formula executing agency; 18-7, elevator delivery roller-way; 18-8, roller; 18-9, the second piston actuator; 18-10, angle steel; 18-11, vertical slide rail; 18-12, pulley; 18-13, bridge motor; 18-14, reduction gear box; 18-15, transverse axis; 18-16, sprocket wheel; 18-17, chain; 18-18, counterweight.
The each rollgang specifications and models used in the present invention are identical.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
From the embodiment shown in Fig. 1-12, the present embodiment is included in each electric furnace 12 stokehold and is provided with stokehold rollgang 8, each stokehold rollgang 8 be arranged in parallel, and each stokehold rollgang 8 is aligned on same straight line away from one end of electric furnace 12, also comprise the transfer ear track 9 paralleled with above-mentioned straight line, the transfer ear 10 rolled is provided with two transfer ear rollgangs 11 suitable with stokehold rollgang 8 for transfer ear track 9, the side corresponding with each stokehold rollgang 8 at transfer ear track 9 is provided with the roller conveyor suitable with transfer ear rollgang 11, the ladle switching mechanism 1 suitable with casting machine 13 is connected at the other end of roller conveyor, ladle switching mechanism 1 comprises switching mechanism fixed mount 1-1, switching mechanism fixed mount 1-1 is provided with the ladle fixing and turning device horizontally rotating with it and be connected, ladle fixing and turning device comprises horizontally disposed rotating shaft 1-2, two ends and the switching mechanism fixed mount 1-1 of rotating shaft 1-2 are rotationally connected, the middle part of rotating shaft 1-2 is fixedly connected with ladle fixed mount, ladle fixed mount comprises the deep-slotted chip breaker 1-3 suitable with ladle profile, deep-slotted chip breaker 1-3 is provided with ladle fixture, also comprise the drive unit that can make the 1-2 rotation around the shaft of ladle fixing and turning device, ladle fixture is the pair of beams 1-5 suitable with ladle outer wall two side bayonet slot, the ladle fixing and turning device drive unit that 1-2 rotates around the shaft can be made to be hydraulic jack 1-6, hydraulic jack 1-6 is arranged between switching mechanism fixed mount 1 and ladle fixing and turning device, switching mechanism fixed mount 1-1 is provided with tipper rollgang 1-7 ladle 4 being transported to ladle fixing and turning device, also comprise two ladle travelling bogies 14, ladle travelling bogie comprises square ladle and places plate 14-1, the width that ladle places the width of plate 14-1 and above-mentioned rollgang is suitable, the ladle length of placing plate 14-1 slightly larger than above-mentioned rollgang adjacent roller-way between three times of distance, place below plate 14-1 in ladle and be provided with the ladle travelling bogie track 14-2 suitable with the roller wheel 15 at each roller-way two ends of above-mentioned rollgang, 14-2 is consistent with the length direction that ladle places plate 14-1 for ladle travelling bogie track, place on plate 14-1 in ladle and place ladle.
Casting machine 13 is different with the horizontal level of electric furnace 12, and the two is perpendicular, roller conveyor comprises the high-order rollgang 16 be connected with ladle switching mechanism and the low level rollgang 17 be connected with transfer ear rollgang 11, the vertical apice of high-order rollgang 16 and low level rollgang 17 is provided with the roller-conveying device 18 that liftable rotates, it is square framework 18-1 that the roller-conveying device 18 that liftable rotates comprises cross section, be symmetrical vertical four the angle steel 18-10 arranged in the corner of framework 18-1, the interior angle of four angle steel 18-10 is vertical slide rail 18-11, rise and fall roller dolly is provided with in framework 18-1, rise and fall roller dolly comprises quadrate support plate 18-2, gripper shoe 18-2 is slidably connected by the pulley 18-12 and vertical slide rail 18-11 being arranged on gripper shoe 18-2 tetra-angles, the roller-way track 18-4 be fixed on substrate 18-3 is provided with above gripper shoe 18-2, vertical shaft 18-5 is fixedly connected with below the middle part of substrate 18-3, vertical shaft 18-5 to be rolled with gripper shoe 18-2 by bearing and is connected, the first piston formula executing agency 18-6 that can make vertical shaft rotary 90 ° is provided with between gripper shoe 18-2 and vertical shaft 18-5, elevator delivery roller-way 18-7 is provided with above roller-way track 18-4, the below of elevator delivery roller-way 18-7 is provided with the roller 18-8 that can move along roller-way track 18-4, the second piston actuator 18-9 that elevator delivery roller-way 18-7 can be made to move along roller-way track 18-4 is provided with between substrate 18-3 and elevator delivery roller-way 18-7, rise and fall roller dolly by vertical lifting mechanism vertically slide rail 18-11 move up and down.
Rise and fall roller dolly neutral axis 18-5 is passed down through gripper shoe 18-2, and first piston formula executing agency 18-6 is positioned at the below of gripper shoe 18-2; First piston formula executing agency 18-6 and the second piston actuator 18-9 is fluid-operated piston formula executing agency.
Vertical lifting mechanism in the roller-conveying device that liftable rotates comprises the bridge motor 18-13 being arranged on frame roof, bridge motor 18-13 is in transmission connection by reduction gear box 18-14 and transverse axis 18-15, the bilateral symmetry of transverse axis 18-15 is provided with sprocket wheel 18-16, also comprise two the chain 18-17 engaged with two sprocket wheel 18-16 respectively, one end and the rise and fall roller dolly of two chain 18-17 are fixed, and the other end of two chain 18-17 and weight and the suitable counterweight 18-18 of rise and fall roller dolly mount.
Operation principle:
1, ladle switching mechanism operation principle:
The ladle used in the present invention is provided with the draw-in groove suitable with pair of beams 1-5 in ladle fixture, and draw-in groove can be annular, does not have position constraint when making ladle put into rollgang.
Ladle 4 is sent into tipper rollgang 1-7, ladle 4 is delivered to deep-slotted chip breaker 1-3 suitable with ladle profile in ladle fixed mount by tipper rollgang 1-7 makes it put in place, at this moment, in ladle fixture, pair of beams 1-5 inserts the draw-in groove of ladle 4, ladle is made to be unlikely to drop in the process of upset, primer fluid compressing cylinder 1-6, make ladle fixing and turning device around the shaft 1-2 overturn, thus make the molten iron in ladle 4 topple over out, whole process of toppling over molten iron does not need the closely operation of operating personnel, thus avoid the personal injury that operating process causes, there is handling safety, automaticity high.
2, the roller-conveying device operation principle of liftable rotation:
After ladle to be arrived the elevator delivery roller-way 18-7 of this device by low level rollgang 17, elevator delivery roller-way 18-7 stops operating, second piston actuator 18-9 starts, drive tipper rollgang 18-7 along roller-way track 18-4 away from low level rollgang 17(to prevent next step action elevator delivery roller-way 18-7 from turn-taking time and low level rollgang 17 collide), first piston formula executing agency 18-6 starts afterwards, drive vertical shaft rotary 90 °, thus elevator delivery roller-way 18-7 and high-order rollgang 16 are aligned, bridge motor 18-13 starts afterwards, drive rise and fall roller dolly vertically slide rail 18-11 to rise and concordant with high-order rollgang 16 (due to the existence of counterweight 18-18, alleviate the load of bridge motor 18-13), elevator delivery roller-way 18-7 operates afterwards, ladle is delivered to high-order rollgang 16, complete the linking of low level conveying roller 17 and high-order rollgang 16, otherwise, when ladle is transported to low level rollgang 17 by high-order rollgang 16, action step is contrary with said process, when low level rollgang 17 and high-order rollgang 16 are in same straight line, the action of first piston formula executing agency 18-6 can be saved, circuit control part can adopt SECO, from prior art.
This electric furnace is to the ladle automatic conveying system operation principle of casting machine:
When the molten iron smelting of certain electric furnace 12 is good, transfer ear 10 moves to this electric furnace 12 front end through transition trolley track 9, and make the stokehold rollgang 8 of one of them transfer ear rollgang 11 and this electric furnace 12 on transfer ear 10 to connecting, electric furnace 12 pours the molten iron smelted into ladle 4, ladle 4 is placed on ladle travelling bogie, ladle travelling bogie comprises square ladle and places plate, the width that ladle places the width of plate and above-mentioned rollgang is suitable, the ladle length of placing plate slightly larger than above-mentioned rollgang adjacent roller-way between three times of distance, place below plate in ladle and be provided with the ladle travelling bogie track suitable with the roller wheel at each roller-way two ends of above-mentioned rollgang, ladle travelling bogie track is consistent with the length direction that ladle places plate, simultaneously because each rollgang specifications and models are identical, ladle travelling bogie can be made to operate on each rollgang stably, ladle 4 delivers to transfer ear rollgang 11 through stokehold rollgang 8, transfer ear 10 moves to low level rollgang 17 front end through transition trolley track 9, and the transfer ear rollgang 11 making to hold ladle 4 with low level rollgang 17 to connecting, ladle 4 delivers to the elevator delivery roller-way 18-7 of the roller-conveying device that liftable rotates through low level rollgang 17, elevator delivery roller-way 18-7 is with ladle 4 to be promoted to high-order rollgang 16, by high-order rollgang 16, ladle 4 is brought to ladle switching mechanism, pour the molten iron in ladle 4 into casting machine 13, thus complete ladle 4 automatic transport of electric furnace 12 to casting machine 13 and be poured onto the work of casting machine 13, owing to being provided with two transfer ear rollgangs 11 suitable with stokehold rollgang 8 on transfer ear 10, adopt two ladle travelling bogies, during transport, two ladle can work simultaneously, thus increase work efficiency.