CN214442910U - Automatic control device for molten aluminum liquid level of casting ladle - Google Patents

Abstract

The utility model relates to a device for automatically controlling the liquid level of molten aluminum in a casting ladle, which comprises a float assembly arranged on the liquid level of the molten aluminum in the casting ladle; the plug assembly is arranged in the launder vertical pipe; the floating assembly and the plug assembly are arranged at two ends of the rod assembly, and the floating assembly goes up and down along with the liquid level to drive the plug to move, so that the flow of the aluminum liquid in the vertical pipe is controlled. The utility model discloses novel structure utilizes liquid buoyancy, according to casting speed, finds cursory height, and the end cap height is flowed in the accuse, and the end cap position is flowed in cursory, accuse of aluminium liquid flow three equilibrium point, can realize the accurate control of the different liquid levels of well casting ladle.

Description

Automatic control device for molten aluminum liquid level of casting ladle

Technical Field

The utility model belongs to the technical field of the horizontal continuous casting of aluminum alloy and specifically relates to a water a packet aluminium liquid level automatic control device.

Background

At present, in the horizontal continuous casting process of a hundred thousand ton alloy slab ingot production line, aluminum liquid flows into a runner from a standing furnace, flows to a middle casting ladle through a vertical pipe at the tail part of the runner, and flows into a casting machine after the flow of the aluminum liquid in the middle casting ladle is controlled through a short vertical pipe.

In the prior art, the liquid level control of a tundish is realized by arranging a conical plug in a vertical pipe of a launder to control the flow, and one person is required to manually control the flow at the position. Because the liquid level fluctuation of molten aluminum in the launder is large, the aluminum control device needs to be frequently operated to ensure the stable liquid level of the tundish, and the fluctuation of the liquid level of the tundish is large and unstable due to the personal difference and different refinement degrees of manual operation skills, so that the fluctuation of the liquid level of the tundish is influenced, and the flow control device of the tundish needs to be frequently adjusted. The high-temperature aluminum liquid is frequently adjusted and operated, and the labor intensity also has the risk of high-temperature burn in the operation process. Too large fluctuation of the liquid level of the small casting ladle can also cause the surface quality defect of the aluminum blank in the casting process and influence the product quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a water a packet aluminium liquid level automatic control device waters packet liquid level in can the accurate control.

The technical scheme of the utility model is specifically as follows:

a device for automatically controlling the liquid level of molten aluminum in a casting ladle comprises a floating component arranged on the liquid level of the molten aluminum in the casting ladle; the plug assembly is arranged in the launder vertical pipe; the floating assembly and the plug assembly are arranged at two ends of the rod assembly, and the floating assembly goes up and down along with the liquid level to drive the plug to move, so that the flow of the aluminum liquid in the vertical pipe is controlled.

Furthermore, the buoy assembly comprises a rectangular frame body, a paper lining layer is arranged around the rectangular frame body, a connecting rod is arranged on the rectangular frame body, and the connecting rod is rotatably connected with one end of the rod lever assembly.

Further, the connecting rod upper end is equipped with the sleeve pipe, and sleeve pipe one end is equipped with screws up the bolt, through screwing up bolt height-adjusting, the sleeve pipe other end is equipped with the locating lever, and locating lever one end is rotated and is located the lever sleeve pipe middle part of lever one end, and lever sleeve pipe lower extreme is equipped with the bolt, is equipped with the screw rod in the bolt, and the screw rod front end shape matches with the locating lever shape, through the contained angle of screw rod regulating positioning pole and dwang.

Furthermore, the runner is arranged on the middle pouring ladle, the runner edge is arranged on the rod lever assembly, the rod lever assembly comprises a support frame and a rotating rod which is connected with the support frame in a rotating mode, a plurality of through holes are formed in the middle of the rotating rod, so that the torque can be adjusted, and the rotating rod is arranged on the support frame through the through holes.

Furthermore, the plug assembly comprises a flow control plug and a flow control plug connecting rod, and the flow control plug is conical.

Further, the floating assembly floats on the liquid level of the aluminum liquid.

Further, the moment of the end of the floating assembly on the rod is larger than that of the end of the plug assembly.

Furthermore, the flow control plug is a graphite plug.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the utility model discloses novel structure utilizes liquid buoyancy, and the cursory subassembly utilizes the pole thick stick principle on aluminium liquid surface all the time, and the cursory end cap is flowed in pole thick stick one end to the accuse, finds the fulcrum position at the pole thick stick other end, and the liquid level descends when descending cursory following liquid level, and the flow end cap is then risen to the accuse, and aluminium liquid flow increases in the standpipe, and well pouring ladle liquid level begins to rise, and the cursory rises, and the flow end cap descends to the accuse, and aluminium liquid flow reduces in the standpipe, and the liquid level descends. According to the casting speed, the balance points of the height of the buoy, the height of the flow control plug and the flow of the aluminum liquid are found, the positions of the buoy and the flow control plug are determined, and the control of different liquid levels of the tundish can be realized.

(2) The utility model discloses a sleeve pipe height-adjusting adjusts showy subassembly gradient through the screw rod, control liquid level that can be more accurate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially enlarged schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the plug assembly of the present invention.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments belong to the protection scope of the present invention.

Unless otherwise defined, technical or scientific terms used in the embodiments of the present application should have the ordinary meaning as understood by those having ordinary skill in the art. The use of "first," "second," and similar terms in the present embodiments does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "Upper," "lower," "left," "right," "lateral," "vertical," and the like are used solely in relation to the orientation of the components in the figures, and these directional terms are relative terms that are used for descriptive and clarity purposes and that can vary accordingly depending on the orientation in which the components in the figures are placed.

As shown in FIG. 1, the automatic control device for molten aluminum level in a casting ladle of the embodiment comprises a float assembly 3 arranged on the molten aluminum level in a casting ladle 1; the plug assembly 4 is arranged in the vertical pipe of the launder 2; the floating component 3 and the plug component 4 are arranged at two ends of the rod component 5, the floating component 3 is lifted along with the liquid level, the plug component 4 is driven to move, and then the flow of the aluminum liquid in the vertical pipe is controlled.

The float assembly 3 comprises a rectangular frame body, a paper lining layer is arranged around the rectangular frame body, a connecting rod is arranged on the rectangular frame body, and the connecting rod is rotatably connected with one end of the rod assembly 5.

As shown in fig. 2, the upper end of the connecting rod is provided with a sleeve 7, one end of the sleeve 7 is provided with a tightening bolt, the height is adjusted by tightening the bolt, the other end of the sleeve is provided with a positioning rod 10, one end of the positioning rod 10 is rotated to be arranged in the middle of a rod sleeve 9 at one end of a rod, the lower end of the rod sleeve 9 is provided with a bolt, a screw rod 6 is arranged in the bolt, the front end shape of the screw rod 6 is matched with the shape of the positioning rod 10, and the included angle between the positioning rod 10 and a rotating rod 8 is adjusted by the screw rod 6.

Well water package 1 is located by chute 2, and 2 edges in chute are located to the pole thick stick subassembly, and the pole thick stick subassembly includes support frame 5 and the dwang 8 of being connected with support frame 5 rotation, and dwang 8 middle part is equipped with a plurality of through-holes for moment is adjustable, and dwang 8 is located on support frame 5 through the through-hole.

As shown in fig. 3, the plug assembly 4 includes a flow control plug and a flow control plug connecting rod, the flow control plug is conical, and the flow control plug is a graphite plug. The gravity of the floating component is smaller than the buoyancy of the filtrate, so that the floating component floats on the liquid level of the aluminum liquid. The moment of the end of the floating assembly on the rod is larger than that of the end of the plug assembly.

The cursory of this embodiment is placed on 1 liquid level of well casting ladle, utilizes liquid buoyancy, and the cursory is on aluminium liquid surface all the time, utilizes the pole thick stick principle, and the cursory is in pole thick stick one end, and the end cap is flowed in the accuse at the pole thick stick other end, finds the fulcrum position, and the cursory liquid level of following descends when the liquid level descends, and the end cap is flowed in the accuse then rises, and aluminium liquid flow increases in the standpipe, and well casting ladle liquid level begins to rise, and the cursory rises, and the end cap descends is flowed in the accuse, and aluminium liquid flow reduces in the standpipe, and the liquid level descends. And finding the balance points of the height of the buoy, the height of the flow control plug and the flow of the aluminum liquid according to the casting speed, and determining the positions of the buoy and the flow control plug. The control of different liquid levels of the casting ladle can be realized by adjusting the buoy and the flow control plug.

The manufacturing process of this embodiment is as follows:

1. determining the size of the float and manufacturing the float. The buoy is made of a 5mm steel plate into a rectangular frame (hollow), a layer of lining paper is wrapped outside the buoy, and the lining paper is resistant to high temperature of molten aluminum and isolates the molten aluminum from an iron plate. The floating weight is less than the floating force of the aluminum liquid. The floating rod can move up and down so as to adjust the position, the fastening is convenient and firm after the adjustment, a steel pipe with an inner diameter slightly larger than the outer diameter of the floating rod is communicated with a bolt hole, the floating rod penetrates through the steel pipe, and the floating rod is tightly pressed by a bolt with a handle; the angle between the float rod and the rod can be adapted to change.

2. A fulcrum is provided. The supporting rod for the fulcrum is arranged at one corner of the flow groove, and the supporting rod is convenient to weld above the flow groove. The moment on the lever of the floating end is larger than that of the flow control plug.

3. And (5) manufacturing a lever. The rod is provided with 5 holes, so that the moment can be conveniently adjusted.

4. And manufacturing a flow control plug. The flow control plug is made of graphite material, and the graphite does not adhere to aluminum. The design is conical, and the replacement is required to be convenient.

5. And (6) installing and debugging. After installation, the device is adjusted to a proper position to realize automatic control.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The automatic control device for molten aluminum liquid level in a casting ladle is characterized in that: comprises a floating component arranged on the liquid level of molten aluminum in a tundish; the plug assembly is arranged in the launder vertical pipe; the floating assembly and the plug assembly are arranged at two ends of the rod assembly, and the floating assembly goes up and down along with the liquid level to drive the plug to move so as to control the flow of the aluminum liquid in the vertical pipe; the moment of the end of the floating component on the rod is larger than that of the end of the plug component;

the well package of watering locates by the chute, and the chute edge is located to the pole subassembly, and the pole subassembly includes support frame and the dwang of being connected with the support frame rotation, and the dwang middle part is equipped with a plurality of through-holes for moment is adjustable, and the dwang passes through the through-hole to be located on the support frame.

2. The automatic control device for molten aluminum level in a casting ladle of claim 1, characterized in that: the buoy assembly comprises a rectangular frame body, a paper lining layer is arranged around the rectangular frame body, a connecting rod is arranged on the rectangular frame body, and the connecting rod is connected with one end of the rod assembly.

3. The automatic control device for molten aluminum level in a casting ladle of claim 2, characterized in that: the connecting rod upper end is equipped with the sleeve pipe, and sleeve pipe one end is equipped with screws up the bolt, through screwing up bolt height-adjusting, and the sleeve pipe other end is equipped with the locating lever, and locating lever one end is rotated the pole lever sleeve pipe middle part of locating pole one end, and pole lever sleeve pipe lower extreme is equipped with the bolt, is equipped with the screw rod in the bolt, and the screw rod front end shape matches with the locating lever shape, through the contained angle of screw rod positioning adjustment pole and dwang.

4. The automatic control device for molten aluminum level in a casting ladle of claim 1, characterized in that: the plug assembly comprises a flow control plug and a flow control plug connecting rod, and the flow control plug is conical.

5. The automatic control device for molten aluminum level in a casting ladle of claim 1, characterized in that: the floating component floats on the liquid level of the aluminum liquid.

6. The automatic control device for molten aluminum level in a casting ladle of claim 4, characterized in that: the flow control plug is a graphite plug.

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