CN218803012U - Whole forming die of casting nozzle brick on belted steel hoop ladle - Google Patents

Abstract

The utility model relates to a whole forming die of casting mouth brick on belted steel hoop ladle, be equipped with the die cavity that is used for the shaping to go up the casting mouth in this forming die's the die sleeve, the upper portion lateral wall in die cavity is equipped with the spacing groove that matches with the size of steel hoop or the spacing groove that matches with the size of box hat, put into steel hoop or steel band earlier during the shaping, then pour prepared mud into the die cavity and progressively pressurize the shaping operation of accomplishing the casting mouth, this forming die can once only accomplish the installation work of steel hoop or steel band when the shaping, need not come suit steel band or steel hoop at the back process, be difficult for causing casting mouth secondary damage, and need not carry out secondary drying after installing steel band or steel hoop additional, and is simple in operation, time saving and labor saving, the cost of manufacture is low.

Description

Whole forming die of casting nozzle brick on belted steel hoop ladle

Technical Field

The utility model relates to a steelmaking casting mouth equipment field especially relates to a whole forming die of casting mouth brick on belted steel hoop ladle.

Background

The sliding casting nozzle mechanism for steelmaking mainly comprises an upper casting nozzle, an upper sliding plate, a lower sliding plate and a lower casting nozzle, wherein the upper casting nozzle is directly arranged in a casting nozzle brick cup of a ladle and used in the ladle, and the use safety of the sliding casting nozzle mechanism is crucial to steelmaking production. When the upper casting nozzle is installed, fire clay needs to be smeared on the outer part, a tool is used for jacking into a casting nozzle pocket brick of a ladle, in order to enable the upper casting nozzle to be installed in place, the tool can be used for knocking the upper casting nozzle to enable the upper casting nozzle to enter the pocket brick to be parallel to a mechanism plane, the large head end of the upper casting nozzle can be damaged in the process, and the mechanical loss is large; therefore, in order to protect the upper casting opening from being damaged, the steel shell or the steel hoop is sleeved on the large-head part of the dried upper casting opening, the upper casting opening is protected and reinforced, cracks are prevented from occurring on the upper casting opening, secondary damage can be caused to the upper casting opening when the steel hoop and the steel shell are sleeved, secondary drying is carried out after the steel hoop and the steel shell are additionally arranged, labor and time are wasted, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a whole forming die of casting nozzle brick on belted steel hoop ladle.

The technical scheme of the utility model is that:

the utility model provides a belted steel hoop steel package goes up whole forming die of sprue brick, this forming die includes die sleeve and center post, the whole shape of die sleeve is established to cylindrical or square, the inside centre of die sleeve is equipped with the die cavity the same with last sprue shape, the upper portion lateral wall of this die cavity is equipped with annular spacing groove along the circumferencial direction, this annular spacing groove is as the spacing groove of steel hoop, the size of annular spacing groove matches with the size of steel hoop, the steel hoop is annular steel hoop, the coaxial suit of center post is in the die cavity, the upper end of center post is located the upper end department of die cavity, and be equipped with the seal receptacle at the lower extreme of center post, the seal receptacle is sealed with the lower port of die cavity.

Preferably, the annular limiting groove arranged on the side wall of the upper part of the die cavity along the circumferential direction is set as an annular stepped limiting groove, the annular stepped limiting groove is used as a limiting groove of the steel shell, and the size of the annular stepped limiting groove is matched with that of the upper casting opening steel shell, so that the steel shell can be sleeved in the limiting groove in a matched manner.

Preferably, the central column is a cylindrical central column matched with the steel flowing hole of the upper casting nozzle in size, and the steel flowing hole is a circular hole.

Preferably, the seal seat is a circular seat, and an upper end surface of the seal seat is a flat surface.

The utility model has the beneficial technical effects that:

(1) The die sleeve of the forming die is internally provided with a die cavity for forming an upper casting nozzle, the upper side wall of the die cavity is provided with a limit groove matched with the size of a steel hoop or a limit groove matched with the size of a steel shell, the steel hoop or the steel band is placed in the die cavity during forming, then prepared mud is poured into the die cavity and gradually pressurized to complete the forming operation of the upper casting nozzle, the forming die can complete the installation work of the steel hoop or the steel band at one time during forming, the steel band or the steel hoop is not sleeved in a back procedure, the secondary damage of the upper casting nozzle is not easy to cause, and secondary drying is not needed after the steel band or the steel hoop is additionally installed, the forming die is simple in operation, time and labor are saved, and the manufacturing cost is low.

(2) The utility model discloses the work of plus hoop and box hat is once only accomplished when the shaping process, and the problem of casting mouthful production processes many, long time, influence production efficiency on the solution, for the shaping production of casting mouthful provides a simple, swift, labour saving and time saving's production methods, does benefit to improvement production efficiency, stabilizes product quality.

Drawings

FIG. 1 is one of the schematic internal structural views of the die case of the present invention;

FIG. 2 is a schematic view of the upper sprue after it has been formed in the mold chase of FIG. 1;

FIG. 3 is a schematic illustration of the structure of the upper nozzle of FIG. 2;

FIG. 4 is a second schematic view of the inner structure of the die sleeve of the present invention;

FIG. 5 is a schematic view of the upper sprue after it has been formed in the mold chase of FIG. 4;

FIG. 6 is a schematic illustration of the structure of the upper nozzle of FIG. 5.

In the figure, 11 is a die sleeve, 111 is a die cavity, 12 is a central column, 121 is a sealing seat, 13 is an annular limiting groove, 14 is an annular stepped limiting groove, 15 is an upper casting nozzle, 16 is a steel shell, and 17 is a steel hoop.

Detailed Description

In the first embodiment, referring to fig. 1-3 of the specification, an integral forming mold for a steel ladle sprue brick with a steel hoop comprises a mold sleeve 11 and a central column 12, a mold cavity 111 having the same shape as an upper sprue 15 is arranged in the middle of the interior of the mold sleeve 11, an annular limiting groove 13 is arranged on the upper side wall of the mold cavity 111 along the circumferential direction, the annular limiting groove 13 serves as a limiting groove of the steel hoop 17, the size of the annular limiting groove 13 is matched with that of the steel hoop 17, the central column 12 is coaxially sleeved in the mold cavity 111, the upper end of the central column 12 is located at the upper port of the mold cavity 111, mud for manufacturing the upper sprue 15 is poured into the mold cavity 111 from the upper port of the mold cavity 111, a sealing seat 121 is arranged at the lower end of the central column 12, and the sealing seat 121 seals the lower port of the mold cavity 111.

The steel hoop 17 or the steel shell 16 used in the upper casting nozzle 15 is usually made of a 2-3mm thick steel plate, and the steel plate is pressed into steel hoops 17 or steel shells 16 with different sizes.

The central column 12 is provided as a cylindrical central column 12 matching the size of the runner hole of the upper nozzle 15, the sealing seat 121 is provided as a circular seat, and the upper end surface of the sealing seat 121 is provided as a flat surface for forming the lower port of the upper nozzle 15.

The method for manufacturing the upper casting nozzle 15 by the forming die comprises the following steps:

firstly, fixedly mounting a forming die on a machine table of a brick machine, and preparing pug required to be used for forming and an upper casting opening 15 steel hoop 17 matched with a die cavity 111 of a die sleeve 11;

secondly, coating lubricating oil in the die cavity 111, sleeving the steel hoop 17 into the upper end of the die cavity 111, knocking the steel hoop 17 by using an iron stick, slightly knocking the steel hoop 17 into the annular limiting groove 13, and ensuring that the steel hoop 17 is in a horizontal state and cannot incline;

thirdly, pouring prepared pug, putting a cover plate, and operating a brick machine to strike according to a production process of molding, namely, light weight and then heavy weight and pressurizing step by step;

and fourthly, ejecting the upper casting mouth 15 which is formed by striking upwards, taking out the upper casting mouth from the mould, cleaning the mud material flash outside the steel hoop 17, checking the size of the upper casting mouth 15 according to a drawing, and then putting the upper casting mouth on a shelf for drying.

In the second embodiment, referring to fig. 4-6 in the specification, the main structure of the second embodiment is the same as that of the first embodiment, except that the annular limiting groove 13 arranged along the circumferential direction on the upper side wall of the mold cavity 111 is set as an annular stepped limiting groove 14, the annular stepped limiting groove 14 is used as a limiting groove of the steel shell 16, the size of the annular stepped limiting groove 14 is matched with that of the steel shell 16 of the upper casting opening 15, the second embodiment is used for manufacturing the upper casting opening 15 with a positioning boss, and the specific manufacturing method refers to the first embodiment.

Claims (4)

1. The utility model provides an integral forming die of casting nozzle brick on belted steel hoop ladle, characterized by: this forming die includes die sleeve and center post, and the inside centre of die sleeve is equipped with the die cavity the same with last sprue shape, and the upper portion lateral wall of this die cavity is equipped with annular spacing groove along the circumferencial direction, and this annular spacing groove is as the spacing groove of steel hoop, and the size of annular spacing groove matches with the size of steel hoop, and the coaxial suit of center post is in the die cavity, and the upper end of center post is located the upper port department of die cavity to be equipped with the seal receptacle at the lower extreme of center post, the seal receptacle is sealed with the lower port of die cavity.

2. The integral forming die for the casting nozzle brick on the steel ladle with the steel hoop as claimed in claim 1, which is characterized in that: and an annular step-shaped limiting groove is formed in the side wall of the upper part of the die cavity in the circumferential direction and serves as a limiting groove of the steel shell, and the size of the annular step-shaped limiting groove is matched with that of the upper casting opening steel shell.

3. The integral forming die for the casting nozzle brick on the steel ladle with the steel hoop as claimed in claim 1, which is characterized in that: the central column is a cylindrical central column which is matched with the steel flowing hole of the upper casting nozzle in size.

4. The integral forming die for the casting nozzle brick on the steel ladle with the steel hoop as claimed in claim 1, which is characterized in that: the sealing seat is a circular seat, and the upper end face of the sealing seat is a plane.

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