CN217452119U

CN217452119U - Large-scale casting and forging spare is with pouring device

Info

Publication number: CN217452119U
Application number: CN202220784484.3U
Authority: CN
Inventors: 曹传军; 秦士东; 王成业; 张巍巍
Original assignee: Tongyu Heavy Industry Co Ltd
Current assignee: Tongyu Heavy Industry Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-09-20
Anticipated expiration: 2032-04-02

Abstract

The utility model provides a large-scale casting and forging spare is with pouring device mainly relates to smelting equipment technical field. The utility model provides a large-scale casting and forging spare is with pouring device, includes top surface open-ended ladle, the opening part of ladle top surface is equipped with the ladle cover, the feed inlet has been seted up to the top surface of ladle cover, the interior fixed mounting cylindricality section of thick bamboo of feed inlet, the long mouth of a river of movable mounting in the cylindricality section of thick bamboo, the long mouth of a river passes through stop gear joint with the cylindricality section of thick bamboo, is equipped with annular first air flue in the bowl mouth, the first exhaust hole of several evenly distributed is seted up to the inner wall of bowl mouth, the first intake pipe of upper portion fixed mounting of bowl mouth periphery one side. The beneficial effects of the utility model reside in that: this device can realize the quick installation in long mouth of a river when using, and can use the gas seal to improve the isolated air of the leakproofness in long mouth of a river, prevents the molten steel oxidation, and can avoid the pouring in-process with the dross suction molten steel of molten steel surface inside, prevent that the product from appearing the inclusion sediment defect, improve product quality.

Description

Large-scale casting and forging spare is with pouring device

Technical Field

The utility model mainly relates to the technical field of smelting equipment, in particular to a pouring device for large-scale casting and forging pieces.

Background

With the rapid development of the metallurgical industry, large-scale casting and forging pieces are widely popularized, and high-quality double-vacuum casting steel ingots also increasingly show the advantages. At present, a tundish direct casting process and an air tundish casting process are mainly used when double-vacuum steel ingots are produced, more steel slag is easily generated due to air suction oxidation when molten steel is poured during pouring, the cleaning is inconvenient, the product quality is influenced, tundish scum is easily flushed into the deep part of the molten steel during pouring, the steel slag is sucked into a steel ingot mold during pouring of the tundish, and the slag inclusion defect is formed on the surface of the steel ingot.

In actual production, a producer can use a long nozzle for transition between a tundish and an upper casting ladle, molten steel can be continuously cast by using the long nozzle, and a user can conveniently control the temperature of a steel ladle within an effective range.

SUMMERY OF THE UTILITY MODEL

For solving prior art's is not enough, the utility model provides a large-scale casting and forging spare is with pouring device, this device can realize the quick installation in long mouth of a river when using, and can use the gas seal to improve the isolated air of leakproofness in long mouth of a river, prevents the molten steel oxidation.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a large-scale casting and forging spare is with pouring device, includes top surface open-ended ladle, the opening part of ladle top surface is equipped with the ladle cover, the feed inlet has been seted up to the top surface of ladle cover, the interior fixed mounting cylindricality section of thick bamboo of feed inlet, the long mouth of a river of movable mounting in the cylindricality section of thick bamboo, the long mouth of a river passes through the stop gear joint with the cylindricality section of thick bamboo, the upper end integral type fixed mounting bowl mouth of long mouth of a river, be equipped with annular first air flue in the bowl mouth, the first exhaust hole of several evenly distributed is seted up to the inner wall of bowl mouth, the first intake pipe of upper portion fixed mounting on one side of bowl mouth periphery, first intake pipe and first air flue intercommunication.

The limiting mechanism comprises an annular clamping block, the clamping block is fixedly mounted on the back of the inner wall of the cylindrical barrel, a vertical groove is formed in the bottom surface of the long nozzle, a plurality of annular sliding grooves are formed in the periphery of the long nozzle, two ends of each sliding groove are communicated with the vertical grooves, sliding blocks are mounted in the sliding grooves in a sliding fit mode respectively, the clamping block can vertically move in the vertical groove and is in sliding fit with the vertical groove, and the clamping block can move in the corresponding sliding groove and is in sliding fit with the vertical groove.

The upper end of the clamping block is positioned outside the cylindrical barrel.

And a high-temperature heat-insulating coating and a fire-resistant heat-insulating layer are arranged outside the long nozzle.

The air inlet pipe is characterized in that a second air passage is arranged in the cylindrical barrel, a plurality of second air exhaust holes are uniformly distributed in the inner wall of the cylindrical barrel, a second air inlet pipe is fixedly installed on one side of the periphery of the cylindrical barrel, and the second air inlet pipe is communicated with the second air passage.

Contrast prior art, the beneficial effects of the utility model are that:

when the device is used, a user can exhaust air into the bowl mouth through the mutual matching of the first air passage, the first exhaust hole and the first air inlet pipe, so that a corresponding air seal is formed in the bowl mouth, and the sealing performance of the long water port during pouring is improved; this device passes through the long mouth of a river of stop gear installation, is connected long mouth of a river and a cylindricality section of thick bamboo through the mode of joint, easy operation convenient to use.

Drawings

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

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural view of the long nozzle of the present invention;

FIG. 5 is an enlarged view of section I of FIG. 3;

fig. 6 is a partial enlarged view of ii of fig. 3.

Reference numerals shown in the drawings: 1. a ladle; 2. covering the steel ladle; 3. a feed inlet; 4. a cylindrical barrel; 5. a long nozzle; 6. a bowl mouth; 7. a first air passage; 8. a first exhaust port; 9. a first intake pipe; 10. a clamping block; 11. a vertical slot; 12. a chute; 13. a slider; 14. a second air passage; 15. a second vent hole; 16. a second intake pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

Example (b): large-scale casting and forging spare is with pouring device

As shown in fig. 1-6, a pouring device for large castings and forgings has a specific structure that:

the ladle 1 with the open top surface is a tundish for molten steel pouring, the opening part on the top surface of the ladle 1 is provided with a ladle cover 2, the top surface of the ladle cover 2 is provided with a feed inlet 3, a cylindrical barrel 4 is fixedly installed in the feed inlet 3, two ends of the cylindrical barrel 4 are both open, a long water gap 5 is movably installed in the cylindrical barrel 4, the long water gap 5 is connected with the cylindrical barrel 4 through a limiting mechanism in a clamping manner, an upper end integrated type fixed installation bowl mouth 6 of the long water gap 5 is arranged, an annular first air passage 7 is arranged in the bowl mouth 6, a plurality of uniformly distributed first exhaust holes 8 are formed in the inner wall of the bowl mouth 6, the first exhaust holes 8 are communicated with the first air passage 7, a first air inlet pipe 9 is fixedly installed on the upper part of one side of the periphery of the bowl mouth 6, and the first air inlet pipe 9 is communicated with the first air passage 7.

The limiting mechanism comprises an annular clamping block 10, the clamping block 10 is fixedly mounted on the back of the inner wall of the cylindrical barrel 4, a vertical groove 11 is formed in the bottom surface of the long nozzle 5, the outer side of the vertical groove 11 is communicated with the outside, a plurality of annular sliding grooves 12 are formed in the periphery of the long nozzle 5, two ends of each sliding groove 12 are communicated with the vertical groove 11, sliding blocks 13 are mounted in the sliding grooves 12 in a sliding fit mode, the length of each sliding block 13 is equal to that of each sliding groove 12, the clamping block 10 can vertically move in the vertical grooves 11 and is in sliding fit with the vertical grooves, and the clamping block 10 can move in the corresponding sliding grooves 12 and is in sliding fit with the sliding grooves. When the structure design is used, a user can insert the long nozzle 5 into the cylindrical barrel 4 after aligning the fixture block 10 with the vertical groove 11, the fixture block 10 and the vertical groove 11 slide relatively, the fixture block 10 and the corresponding sliding groove 12 are aligned, the long nozzle 5 is rotated to enable the fixture block 10 to be inserted into the corresponding sliding groove 12, meanwhile, the fixture block 10 pushes the corresponding sliding block 13 to rotate around the corresponding sliding groove 12, a part of the corresponding sliding block 13 can be positioned in the vertical groove 11, so that the joint of the long nozzle 5 and the cylindrical barrel 4 and the gap positioned in the vertical groove 11 are blocked, the sealing performance of the joint of the long nozzle 5 and the cylindrical barrel 4 is improved, air is prevented from entering the steel ladle 1 from the vertical groove 11, molten steel is prevented from contacting with oxygen to generate oxidation reaction to form more steel slag, and the user can insert the fixture block 10 into the sliding grooves 12 at different positions when the device is used, so that the user can conveniently adjust the insertion depth of the long nozzle 5, is convenient to use.

The upper end of the fixture block 10 is positioned outside the cylindrical barrel 4. This structural design can the person of facilitating the use observe the position of fixture block 10, and the person of facilitating the use aligns fixture block 10 with perpendicular groove 11, can the person of facilitating the use simultaneously with fixture block 10 and corresponding spout 12 alignment, makes things convenient for the installation of long mouth of a river 5, facilitates the use.

And a high-temperature heat-insulating coating and a fire-resistant heat-insulating layer are arranged outside the long nozzle 5. This structural design can increase the thermal-insulated effect of heat preservation of long mouth of a river 5, improves the heat preservation effect of long mouth of a river 5, and the heat when reducing this device and using scatters and disappears.

The inner wall of the cylindrical barrel 4 is provided with a plurality of second exhaust holes 15 which are uniformly distributed, the second exhaust holes 15 are communicated with the second air passage 14, the second exhaust holes 15 are located below the fixture block 10, a second air inlet pipe 16 is fixedly installed on one side of the periphery of the cylindrical barrel 4, and the second air inlet pipe 16 is communicated with the second air passage 14. This structural design can the person of facilitating the use let in argon gas in to second air flue 14 through second intake pipe 16 when using, and argon gas can discharge through second exhaust hole 15 to form the atmoseal in cylindrical barrel 4, can improve the leakproofness between long mouth of a river 5 and the cylindrical barrel 4, prevent that long mouth of a river 5 when using the gas by the gap entering ladle 1 between long mouth of a river 5 and the cylindrical barrel 4.

This device is at the user, in the cylindricality section of thick bamboo 4 with the discrepancy of long mouth of a river 5, carry out the fixed mounting that the joint can accomplish long mouth of a river 5 with cylindricality section of thick bamboo 4 through stop gear with long mouth of a river 5, the first intake pipe 9 of accessible lets in argon gas in to first gas channel 7 when using, argon gas can be by the outside discharge of first exhaust hole 8, when pouring, argon gas can form corresponding atmoseal at the junction of last ladle with bowl mouth 6, prevent the inspiratory air when the pouring, prevent that the molten steel from being oxidized with air mixing when the pouring, reduce the production of slag, convenience of customers's use.

In the using process, the bottom end of the long nozzle 5 extends into the bottom of the steel ladle 1, so that the long nozzle 5 is positioned below the liquid level of the molten steel in the pouring process, the scum on the surface of the molten steel is prevented from rushing into the deep part of the molten steel in the pouring process, the steel slag is prevented from being sucked into a steel ingot mould in the pouring process, the slag inclusion defect is formed on the surface of the steel ingot, and the product quality is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a large-scale casting and forging spare is with pouring device, includes top surface open-ended ladle (1), the opening part of ladle (1) top surface is equipped with ladle cover (2), feed inlet (3), its characterized in that have been seted up to the top surface of ladle cover (2): fixed mounting cylindricality section of thick bamboo (4) in feed inlet (3), movable mounting long mouth of a river (5) in the cylindricality section of thick bamboo (4), stop gear joint is passed through with a cylindricality section of thick bamboo (4) in long mouth of a river (5), upper end integral type fixed mounting bowl mouth (6) of long mouth of a river (5), be equipped with annular first air flue (7) in bowl mouth (6), several evenly distributed's first exhaust hole (8) are seted up to the inner wall of bowl mouth (6), the first intake pipe of upper portion fixed mounting (9) of bowl mouth (6) periphery one side, first intake pipe (9) and first air flue (7) intercommunication.

2. The pouring device for large castings and forgings according to claim 1, characterized in that: the limiting mechanism comprises an annular clamping block (10), the clamping block (10) is fixedly mounted on the back of the inner wall of the cylindrical barrel (4), a vertical groove (11) is formed in the bottom surface of the long nozzle (5), a plurality of annular sliding grooves (12) are formed in the periphery of the long nozzle (5), two ends of each sliding groove (12) are communicated with the corresponding vertical groove (11), sliding blocks (13) are mounted in the sliding grooves (12) in a sliding fit mode respectively, the clamping block (10) can vertically move in the vertical grooves (11) and is in sliding fit with the vertical grooves, and the clamping block (10) can move in the corresponding sliding grooves (12) and is in sliding fit with the vertical grooves.

3. The pouring device for the large-scale casting and forging piece according to claim 2, characterized in that: the upper end of the clamping block (10) is positioned outside the cylindrical barrel (4).

4. The pouring device for the large-scale casting and forging piece according to claim 1, characterized in that: and a high-temperature heat-insulating coating and a fire-resistant heat-insulating layer are arranged outside the long nozzle (5).

5. The pouring device for the large-scale casting and forging piece according to claim 2, characterized in that: the air purifier is characterized in that a second air passage (14) is arranged in the cylindrical barrel (4), a plurality of second exhaust holes (15) which are uniformly distributed are formed in the inner wall of the cylindrical barrel (4), a second air inlet pipe (16) is fixedly installed on one side of the periphery of the cylindrical barrel (4), and the second air inlet pipe (16) is communicated with the second air passage (14).