CN216011717U - Transition launder device of vacuum induction furnace - Google Patents
Transition launder device of vacuum induction furnace Download PDFInfo
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- CN216011717U CN216011717U CN202121476907.7U CN202121476907U CN216011717U CN 216011717 U CN216011717 U CN 216011717U CN 202121476907 U CN202121476907 U CN 202121476907U CN 216011717 U CN216011717 U CN 216011717U
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Abstract
The utility model relates to a transition launder device of a vacuum induction furnace, wherein a smelting chamber is arranged at one side of the transition launder device of the vacuum induction furnace; fixing one side of an isolation valve on a preset axis at one side of the smelting chamber; the runner chamber is fixed on one side of the runner chamber on a preset axis on the other side of the isolation valve; the isolation valve is vertically arranged between the smelting chamber and the launder chamber; a runner driving mechanism is fixed on a preset axis on the other side of the runner chamber; when the vacuum degrees of the smelting chamber and the launder chamber are the same, the isolation valve is opened, and the launder driving mechanism drives the launder to cast. The transition launder device of the vacuum induction furnace and the control method thereof can reduce the smelting heat loss and the contact time of molten steel and refractory materials in the launder as much as possible, also maintain the enough vacuum degree in the smelting chamber, simultaneously reduce the labor intensity of workers and the equipment adjusting time as much as possible, and improve the production efficiency and the automation level.
Description
Technical Field
The embodiment of the utility model relates to a transition launder device, in particular to a transition launder device of a vacuum induction furnace.
Background
Along with the rapid development of scientific technology in China, industries such as aerospace, automobile manufacturing, petrochemical industry, power station construction, nuclear facilities, mechanical manufacturing and the like, and links such as development of military industry and public works, product updating, train speed increase and the like all put forward higher and higher requirements on the quality of steel, the vacuum induction smelting furnace replaces the existing intermediate frequency furnace in large quantity due to the advantages of low gas content, better and uniform components, less metal impurities, fine metal structure, high purity and the like, along with the large-scale and high-end equipment, the scale of the vacuum induction furnace is from the early kilogram level to the current several tons and dozens tons level, and the vacuum induction smelting furnace utilizes electromagnetic induction to generate eddy current in a metal conductor to heat furnace burden for smelting under the vacuum condition, so that the metal is smelted. Specifically, an alternating current power supply with a certain frequency is generally divided into a medium frequency and a power frequency, an alternating magnetic field is generated when alternating current passes through a coil on a crucible, eddy current with a certain depth can be generated on the surface of a material to be smelted by the magnetic field according to the Faraday electromagnetic induction principle, and then the metal material in the crucible is melted by heating the eddy current. When the material to be smelted is a steel metal material, the molten steel in the alternating magnetic field can generate relative motion under the action of electromagnetic field force, and then a stirring-like effect is generated according to the distribution condition of the magnetic field, so that the molten steel is turned over and smelted fully, and the smelted material is more uniform and high in quality.
In the smelting process of a large-tonnage vacuum induction furnace, the large-tonnage vacuum induction furnace usually adopts a multi-cavity structure, and comprises a smelting chamber, a runner chamber, an ingot casting chamber and the like, wherein different molds are arranged in the ingot casting chamber according to the difference of smelting requirements to solidify metal liquid. The method comprises the specific processes of fully melting materials in a smelting chamber to form molten metal with uniform quality, linking the smelting chamber, a launder chamber and an ingot casting chamber, and tilting a crucible in the smelting chamber after vacuum balance to enable the molten metal to flow into a launder through a casting opening and then flow into a mold in the ingot casting chamber.
Along with the vacuum induction furnace type capacity is bigger and bigger, the molten steel volume of smelting is bigger and bigger, in order to further reduce the heat loss, reduce the operation power consumption, just it is very important at the casting process of large-tonnage vacuum induction furnace, if design a launder device, reduce the smelting heat loss and reduce the molten steel and the contact time of refractory material in the launder, also need to keep the sufficient vacuum in the smelting chamber, guarantee to smelt and alleviate workman intensity of labour and equipment adjustment time as far as possible under the requirement, improve production efficiency and automation level and become the important technical problem that technical staff in the field need to solve urgently.
SUMMERY OF THE UTILITY MODEL
An object of an embodiment of the present invention is to provide a transition launder apparatus of a vacuum induction furnace and a control method thereof, which can minimize heat loss during melting and reduce the contact time between molten steel and refractory material in the launder, and maintain a sufficient degree of vacuum in a melting chamber, and which can minimize labor intensity of workers and equipment adjustment time, and improve production efficiency and automation level.
In order to achieve the above object, an embodiment of the present invention provides a transition launder apparatus of a vacuum induction furnace, including:
the smelting chamber is arranged on one side of the transition launder device of the vacuum induction furnace;
the isolation valve is fixed on one side of a preset axis at one side of the smelting chamber;
the runner chamber is fixed on a preset axis on the other side of the isolation valve;
the isolation valve is vertically arranged between the smelting chamber and the launder chamber;
the runner driving mechanism is fixed on a preset axis on the other side of the runner chamber;
when the vacuum degrees of the smelting chamber and the launder chamber are the same, the isolation valve is opened, and the launder driving mechanism drives the launder to cast.
Furthermore, a smelting crucible is arranged in the smelting chamber, and a launder channel is arranged between the smelting crucible and the isolating valve; the launder channel and the smelting crucible are both arranged on a preset axis of the launder chamber; a launder support frame is fixed on one side of the smelting crucible and the same preset axis of the launder chamber, and an observation window is arranged above the smelting chamber.
Further, the isolation valve further comprises:
the device comprises a smelting chamber, an isolation valve plate, a flow channel chamber and a flow guide plate, wherein one side of the isolation valve plate is welded and fixed on the smelting chamber along a preset axis, and the other side of the isolation valve plate is welded and fixed on one side of the flow channel chamber along the preset axis; the middle of the isolating valve plate is provided with a cavity structure;
the slideway is fixed on the isolating valve plate in the cavity structure; a pulley is fixed above the slideway;
the isolation valve plate is arranged in the cavity structure of the isolation valve plate; the upper part of the isolation valve plate is fixed on the pulley; a circle of sealing ring is arranged on one side of the isolation valve plate in the direction of fixedly connecting the isolation valve plate with the smelting chamber;
the isolation valve oil cylinder is fixed above the outer side of the isolation valve plate; a piston rod of the isolation valve oil cylinder is fixed on the pulley connecting rod, and is movably connected to the pulley connecting rod;
the valve plate pressing devices are arranged on the outer side of the isolation valve plate and are arranged along the circumference of the isolation valve plate; one end of the valve plate pressing device is fixed on the isolation valve plate, and the other end of the valve plate pressing device is pressed on one side of the sealing ring on one side of the isolation valve plate.
Further, the launder chamber, still include:
the runner chamber frame is arranged on the periphery of the outer side of the runner chamber;
the launder chamber cover plate is arranged above the launder chamber, and the launder chamber cover plate is arranged on the launder chamber frame;
the tank car guide rail is fixed on the bottom of the runner chamber in the runner chamber frame;
the runner is provided with a roller below and erected on the guide rail of the tank car; the runner is driven by the runner driving mechanism and slides on the guide rail of the tank car; the lower end of the runner is provided with a pouring gate;
the rocker arm support, the rocker arm support weld in on one side of runner chamber, the rocker arm is connected through the round pin hub in rocker arm support upper end, and the rocker arm support passes through bolted connection ear seat, through the piston rod on the round pin hub swing joint apron hydraulic pressure mechanism between ear seat and the rocking arm, the rocking arm passes through round pin hub swing joint runner chamber apron board.
Further, the launder driving mechanism set up one side in the launder room, the launder driving mechanism, still include:
the cylinder body of the pushing hydraulic cylinder is fixed on one side of the runner chamber through a sealing flange seat, and the cylinder body of the pushing hydraulic cylinder and the sealing flange seat are fixed on the frame of the runner chamber; a piston push rod is arranged in the pushing hydraulic cylinder, and penetrates through the sealing flange seat to be movably connected with the flow groove; a fixed rod is arranged in the piston push rod, and one end of the fixed rod is fixed on the inner side of one end of the cylinder body of the pushing hydraulic cylinder;
and one end of the lifting hydraulic cylinder is fixed on the support, and the other end of the lifting hydraulic cylinder is connected with the pushing hydraulic cylinder through a lifting pin shaft.
Further, one side of chute, to fixed concave knot on the chute lateral wall of one side of propelling movement pneumatic cylinder the piston push rod is close to the fixed removable buckle of chute side promote the ascending action of pneumatic cylinder or promote the in-process of pneumatic cylinder downward movement, realize removable buckle with the butt joint of concave knot or removable buckle with the separation of concave knot.
Furthermore, the number of the valve plate pressing devices is 4, the valve plate pressing devices are arranged on two sides of the isolation valve plate, and after the isolation valve plate is closed, the valve plate pressing devices 24 drive the isolation valve plate and the sealing rings to be pressed tightly.
Further, the casting opening is opposite to the smelting crucible in the descending process of the runner.
Compared with the prior art, the embodiment of the utility model has the advantages that the cover plate hydraulic mechanism is arranged at the side of the runner chamber, so that the cover plate hydraulic mechanism can automatically drive the runner chamber cover plate to be opened and closed, the runner chamber can be quickly and efficiently opened and closed, the labor intensity of workers is greatly reduced, and the working efficiency is improved;
in order to protect a sealing ring of the isolation valve plate and maintain the vacuum degree in the smelting chamber, the isolation valve plate is movably connected to an isolation valve oil cylinder, a valve plate pressing device is arranged on the isolation valve plate, after the isolation valve plate is closed, the isolation valve plate is moved to be pressed more tightly by starting the valve plate pressing device, and the isolation valve plate is ensured to be closed and sealed more by a V-shaped sealing ring arranged around the isolation valve plate, so that the vacuum sealing effect of the smelting chamber is ensured;
be equipped with chute actuating mechanism in one side of chute room, the chute is advanced and is withdrawed from in chute room, isolating valve and the smelting room is automatic, realizes chute automatic movement, and the control of being convenient for docks and breaks away from for a long time at piston push rod and chute, and the action is frequently very easily harmd adapting unit, and this kind is close to the chute side at piston push rod and is equipped with removable buckle, protection piston push rod, reduces the equipment maintenance, reduction in production cost.
The novel transition launder device of the vacuum induction furnace has the advantages of compact structure, convenience in use, simplicity in operation and the like.
Drawings
FIG. 1: is a front view of the structure of the utility model;
FIG. 2: is a cross-sectional view a-a of the isolation valve of fig. 1 when open;
FIG. 3: is an enlarged view of the position I in FIG. 2;
FIG. 4: is a cross-sectional view D-D of the isolation valve of figure 1 when closed;
FIG. 5: an enlarged view of the position XV in fig. 4;
FIG. 6: is a top view of the structure of the present invention;
FIG. 7: is a cross-sectional view B-B of FIG. 6;
FIG. 8: is a cross-sectional view C-C in FIG. 6;
FIG. 9: is a right view of the structure of the present invention;
FIG. 10: is an enlarged view of the X position in fig. 9.
In the figure: 1-smelting chamber, 11-smelting crucible, 12-launder holder, 13-observation window, 14-launder channel, 2-isolation valve, 21-isolation valve plate, 22-isolation valve plate, 221-sealing ring, 23-isolation valve cylinder, 231-piston rod, 24-valve plate hold-down device, 25-slideway, 26-pulley, 27-pulley connecting rod, 3-launder chamber, 30-launder chamber frame, 31-launder chamber cover plate, 32-launder rail, 33-launder, 331-concave buckle, 332-sprue gate, 34-cover plate hydraulic mechanism, 35-rocker arm support, 351-pin shaft, 352-rocker arm, 353-ear seat, 36-roller, 4-launder driving mechanism, 41-pushing hydraulic cylinder, 411-sealing flange seat, 412-piston push rod, 413-fixed rod, 42-lifting hydraulic cylinder, 421-lifting pin shaft, 422-detachable buckle and 43-bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a transition launder apparatus of a vacuum induction furnace, as shown in fig. 1, 6, and 9, including:
a smelting chamber 1 is arranged on one side of a transition launder device of the vacuum induction furnace; the smelting chamber 1 is mainly used for smelting special steel.
One side of an isolation valve 2 is fixed on a preset axis at one side of the smelting chamber 1; the isolation valve 2 is arranged coaxially with the melting chamber 1.
One side of the runner chamber 3 is fixed on a preset axis of the other side of the isolation valve 2; the sluice chamber 3 is arranged coaxially as the isolation valve 2.
The isolating valve 2 is vertically arranged between the smelting chamber 1 and the launder chamber 3; adopt perpendicular mode of setting up, can be favorable to keeping apart between smelting chamber 1 and the launder room 3, guarantee that the vacuum between smelting chamber 1 and the launder room 3 is not influenced.
A launder driving mechanism 4 is fixed on a preset axis at the other side of the launder chamber 3; the launder driving mechanism 4, the launder chamber 3, the isolating valve 2 and the smelting chamber 1 are arranged on the same axis, so that the straight line operation of the launder chamber 3 can be ensured,
in this embodiment, when the vacuum degrees of the melting chamber 1 and the launder chamber 3 are the same, the isolation valve 2 is opened, and the launder driving mechanism 4 drives the launder 33 to perform casting.
The transition launder device of the vacuum induction furnace and the control method thereof can reduce the smelting heat loss and the contact time of the molten steel and the refractory material in the launder as much as possible, also maintain the enough vacuum degree in the smelting chamber, simultaneously reduce the labor intensity of workers and the equipment adjusting time as much as possible, and improve the production efficiency and the automation level. The technical requirements of energy conservation, labor intensity reduction and the like in the embodiment are met.
In order to further achieve the above technical effects, as shown in fig. 1, 2, 4 and 5, a melting crucible 11 is arranged in the melting chamber 1, and a launder channel 14 is arranged between the melting crucible 11 and the isolation valve 2; the launder channel 14 and the melting crucible 11 are both arranged on a preset axis of the launder chamber 3; a launder holder 12 is fixed on one side of the melting crucible 11 on the same preset axis as the launder chamber 3, and an observation window 13 is arranged above the melting chamber.
In order to achieve the isolation between the smelting chamber 1 and the launder chamber 3, as shown in fig. 2, 4 and 5, 8, the isolation valve 2 further comprises:
one side of the isolating valve plate 21 is fixed on the smelting chamber 1 along a preset axis in a welding manner, and the other side of the isolating valve plate 21 is fixed on one side of the runner chamber 1 along a preset axis in a welding manner; the middle of the isolating valve plate 21 is provided with a cavity structure; the isolating valve plate 21 serves as a fixing.
A slideway 25, wherein the slideway 25 is fixed on the isolating valve plate 21 in the cavity structure; a pulley 26 is fixed above the slide 25;
an isolation valve plate 22 is arranged in the cavity structure of the isolation valve plate 21; the upper part of the isolation valve plate 22 is fixed on the pulley 26; a circle of sealing ring 221 is arranged on one side of the isolation valve plate 22 in the direction of the fixed connection of the isolation valve plate 22 and the smelting chamber 1; the isolation valve plate 22 is driven by an isolation valve cylinder 23 to isolate the smelting chamber 1 from the launder chamber 3.
The isolation valve cylinder 23 is fixed above the outer side of the isolation valve plate 22; a piston rod of the isolation valve oil cylinder 23 is fixed on the pulley connecting rod 27, and a piston rod of the isolation valve oil cylinder 23 is movably connected on the pulley connecting rod 27; the isolation valve cylinder 23 is used to drive the isolation valve plate 22.
The outer side of the isolation valve plate 21 is provided with a plurality of valve plate pressing devices 24, in this embodiment, 4 valve plate pressing devices 24 are provided, and the 4 valve plate pressing devices 24 are arranged along the circumference of the isolation valve plate 21; one end of the valve plate pressing device 24 is fixed on the isolation valve plate 21, and the other end of the valve plate pressing device 24 is pressed on one side of the sealing ring 221 arranged on one side of the isolation valve plate 22. The valve plate pressing device 24 is used for pressing the sealing ring 221, and plays a role in sealing the isolation valve 2.
In order to further achieve the above technical effects, as shown in fig. 2 to fig. 10, the launder chamber 3 further includes:
a runner chamber frame 30 is arranged on the periphery of the outer side of the runner chamber 3; the runner chamber rim 30 serves to support the runner chamber 3 as a rim and frame structure for the runner chamber 3.
A runner chamber cover plate 31 is arranged on the runner chamber frame 30 above the runner chamber 3; a spout chamber cover plate 31 as a cover of the spout chamber 3.
A tank car guide rail 32 is fixed on the bottom of the runner chamber 1 in the runner chamber frame 30; the tank car guide rail 32 is used for walking a runner 33;
a runner 33, wherein a roller 36 is arranged below the runner 33, and the runner 33 is arranged on the tank car guide rail 32; the runner 33 slides on the trolley guide rail 32 by being driven by the runner driving mechanism 4; the lower end of the runner 33 is provided with a casting opening 332;
as shown in fig. 10, the rocker arm support 35 is welded on one side of the launder chamber 3, the upper end of the rocker arm support 35 is connected with the rocker arm 352 through a pin 351, the rocker arm support 35 is connected with the lug 353 through a bolt, the lug 353 and the rocker arm 352 are movably connected with a piston rod on the cover plate hydraulic mechanism 34 through the pin 351, and the rocker arm 352 is movably connected with the launder chamber cover plate 31 through the pin 351. The deck hydraulic mechanism 34 drives the runner chamber cover plate 31 using the rocker arm support 35.
In order to further achieve the above technical effects, referring to fig. 2 to fig. 10, the launder driving mechanism 4 is disposed on one side of the launder chamber 3, and the launder driving mechanism 4 further includes:
the cylinder body of the pushing hydraulic cylinder 41 is fixed on one side of the runner chamber 3 through a sealing flange seat 411, and the cylinder body of the pushing hydraulic cylinder 41 and the sealing flange seat 411 are fixed on the runner chamber frame 30; a piston push rod 412 is arranged in the pushing hydraulic cylinder 41, and the piston push rod 412 penetrates through the sealing flange seat 411 to be movably connected with the flow groove 3; a fixing rod 413 is arranged in the piston push rod 412, and one end of the fixing rod 413 is fixed on the inner side of one end of the cylinder body of the pushing hydraulic cylinder 41; the push hydraulic cylinder 41 functions to push the chute chamber 3.
One end of the lifting hydraulic cylinder 42 is fixed on the bracket 43, and the other end is connected with the pushing hydraulic cylinder 41 through a lifting pin 421. The lifting hydraulic cylinder 42 is used for lifting the pushing hydraulic cylinder 41, the sealing flange seat 411, the piston push rod 412, the fixing rod 413 and the like.
In order to realize the separation between the runner 33 and the piston rod of the pushing hydraulic cylinder 41, a concave buckle 331 is fixed on the side wall of the runner 33 on one side of the pushing hydraulic cylinder 41 on one side of the runner 33, a detachable buckle 422 is fixed on the side of the piston push rod 412 close to the runner 33, and the butt joint between the detachable buckle 422 and the concave buckle 331 or the separation between the detachable buckle 422 and the concave buckle 331 is realized in the process of the upward action of the lifting hydraulic cylinder 42 or the downward action of the lifting hydraulic cylinder 42.
In order to further achieve the above technical effects, as shown in fig. 2 to fig. 10, the number of the valve plate pressing devices 24 is 4, and the valve plate pressing devices 24 are disposed on two sides of the isolation valve plate 22, and after the isolation valve plate 22 is closed, the valve plate pressing devices 24 drive and press the isolation valve plate 22 and the sealing rings 221.
To further achieve the above-mentioned technical effects, as shown in fig. 2 to 10, the pouring gate 332 faces the melting crucible 11 during the lowering of the runner 33.
In the working process of the transition flow groove device of the vacuum induction furnace in the embodiment, in the preparation work of casting, the hydraulic cover plate mechanism automatically opens the flow groove cover plate 31, places the flow groove 33 on the tank car track 32, the right concave buckle of the flow groove 33 is clamped on the detachable buckle 422, automatically closes the flow groove cover plate 31, namely, enters the state that the isolation valve plate 22 is closed, then, the flow groove chamber 3 is vacuumized until the vacuum degree of the smelting chamber 1 is the same, the valve plate pressing device 24 is loosened, the isolation valve plate 22 is movably connected to the isolation valve cylinder 23, the sealing ring 221 on the isolation valve plate 22 is separated from the isolation valve plate 21, the isolation valve cylinder 23 is driven to drive the isolation valve plate 22 to move to open the door panel, the flow groove driving mechanism 4 drives the piston push rod to drive the flow groove 33 to move on the flow groove car track 32 to the flow groove car track support frame 12, and the lifting hydraulic cylinder 42 pushes the driving mechanism 4 to lift upwards by a certain angle, removable buckle 422 moves down and is thrown off with concave button 331, and piston push rod 412 retrieves in chute chamber 3, closes isolation valve plate 22, and drive valve plate closing device 24 guarantees to smelt the room leakproofness, waits to smelt the temperature of crucible 11, molten steel composition and reaches technical requirement, and crucible 11 is smelted in the tipping, and molten steel flows to chute 33, accomplishes the casting through pouring gate 332 of chute 33, waits to cast and accomplishes, repeats next change the chute operation.
In order to further achieve the above technical effect, the vacuum degree of the launder chamber 3 in the transition process is the same as that of the smelting chamber 1, as shown in the attached fig. 2-10.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.
Claims (8)
1. A transition launder device of a vacuum induction furnace, characterized by comprising:
the smelting chamber is arranged on one side of the transition launder device of the vacuum induction furnace;
the isolation valve is fixed on one side of a preset axis at one side of the smelting chamber;
the runner chamber is fixed on a preset axis on the other side of the isolation valve;
the isolation valve is vertically arranged between the smelting chamber and the launder chamber;
the runner driving mechanism is fixed on a preset axis on the other side of the runner chamber;
when the vacuum degrees of the smelting chamber and the launder chamber are the same, the isolation valve is opened, and the launder driving mechanism drives the launder to cast.
2. The transition launder apparatus of vacuum induction furnace of claim 1 wherein a melting crucible is provided in said melting chamber and a launder channel is provided between said melting crucible and said isolation valve; the launder channel and the smelting crucible are both arranged on a preset axis of the launder chamber; a launder support frame is fixed on one side of the smelting crucible and the same preset axis of the launder chamber, and an observation window is arranged above the smelting chamber.
3. The transition launder apparatus of vacuum induction furnace of claim 1, characterized in that said isolation valve further comprises:
the device comprises a smelting chamber, an isolation valve plate, a flow channel chamber and a flow guide plate, wherein one side of the isolation valve plate is welded and fixed on the smelting chamber along a preset axis, and the other side of the isolation valve plate is welded and fixed on one side of the flow channel chamber along the preset axis; the middle of the isolating valve plate is provided with a cavity structure;
the slideway is fixed on the isolating valve plate in the cavity structure; a pulley is fixed above the slideway;
the isolation valve plate is arranged in the cavity structure of the isolation valve plate; the upper part of the isolation valve plate is fixed on the pulley; a circle of sealing ring is arranged on one side of the isolation valve plate in the direction of fixedly connecting the isolation valve plate with the smelting chamber;
the isolation valve oil cylinder is fixed above the outer side of the isolation valve plate; a piston rod of the isolation valve oil cylinder is fixed on the pulley connecting rod, and is movably connected to the pulley connecting rod;
the valve plate pressing devices are arranged on the outer side of the isolation valve plate and are arranged along the circumference of the isolation valve plate; one end of the valve plate pressing device is fixed on the isolation valve plate, and the other end of the valve plate pressing device is pressed on one side of the sealing ring on one side of the isolation valve plate.
4. The transition launder apparatus of vacuum induction furnace of claim 1, characterized in that said launder chamber further comprises:
the runner chamber frame is arranged on the periphery of the outer side of the runner chamber;
the launder chamber cover plate is arranged above the launder chamber, and the launder chamber cover plate is arranged on the launder chamber frame;
the tank car guide rail is fixed on the bottom of the runner chamber in the runner chamber frame;
the runner is provided with a roller below and erected on the guide rail of the tank car; the runner is driven by the runner driving mechanism and slides on the guide rail of the tank car; the lower end of the runner is provided with a pouring gate;
the rocker arm support, the rocker arm support weld in on one side of runner chamber, the rocker arm is connected through the round pin hub in rocker arm support upper end, and the rocker arm support passes through bolted connection ear seat, through the piston rod on the round pin hub swing joint apron hydraulic pressure mechanism between ear seat and the rocking arm, the rocking arm passes through round pin hub swing joint runner chamber apron board.
5. The transition launder device of vacuum induction furnace according to claim 1, characterized in that said launder driving mechanism is provided at one side of the launder chamber, said launder driving mechanism further comprising:
the cylinder body of the pushing hydraulic cylinder is fixed on one side of the runner chamber through a sealing flange seat, and the cylinder body of the pushing hydraulic cylinder and the sealing flange seat are fixed on the frame of the runner chamber; a piston push rod is arranged in the pushing hydraulic cylinder, and penetrates through the sealing flange seat to be movably connected with the flow groove; a fixed rod is arranged in the piston push rod, and one end of the fixed rod is fixed on the inner side of one end of the cylinder body of the pushing hydraulic cylinder;
and one end of the lifting hydraulic cylinder is fixed on the support, and the other end of the lifting hydraulic cylinder is connected with the pushing hydraulic cylinder through a lifting pin shaft.
6. The transition flow groove device of the vacuum induction furnace according to claim 5, wherein a groove is fixed on a side wall of the flow groove of one side of the pushing hydraulic cylinder, a detachable buckle is fixed on a side of the piston push rod close to the flow groove, and the detachable buckle is butted with the groove or separated from the groove during an upward motion of the lifting hydraulic cylinder or a downward motion of the lifting hydraulic cylinder.
7. The transition flow trough device of vacuum induction furnace as claimed in claim 3, wherein said valve plate pressing means are 4 sets, and are disposed on both sides of said isolation valve plate, and after closing the isolation valve plate, the valve plate pressing means drives and presses the isolation valve plate and said sealing ring.
8. The transition launder apparatus of vacuum induction furnace of claim 4, characterized in that the pouring gate is facing the melting crucible during the launder descent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121476907.7U CN216011717U (en) | 2021-06-30 | 2021-06-30 | Transition launder device of vacuum induction furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121476907.7U CN216011717U (en) | 2021-06-30 | 2021-06-30 | Transition launder device of vacuum induction furnace |
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| CN216011717U true CN216011717U (en) | 2022-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390258A (en) * | 2021-06-30 | 2021-09-14 | 合智熔炼装备（上海）有限公司 | Transition launder device of vacuum induction furnace and control method thereof |
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2021
- 2021-06-30 CN CN202121476907.7U patent/CN216011717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390258A (en) * | 2021-06-30 | 2021-09-14 | 合智熔炼装备（上海）有限公司 | Transition launder device of vacuum induction furnace and control method thereof |
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