CN202079248U

CN202079248U - Cast steel roll bottom-casting system

Info

Publication number: CN202079248U
Application number: CN201120164823XU
Authority: CN
Inventors: 张年生
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-23
Filing date: 2011-05-23
Publication date: 2011-12-21
Anticipated expiration: 2021-05-23

Abstract

The utility model relates to a cast steel roll bottom-casting system comprising a bottom box, wherein the bottom box is connected with a central circle sand box; the central circle sand box is connected with an upper roll neck sand box; the upper roll neck sand box is connected with a dead head sand box; and the bottom box, the central circle sand box, the upper roll neck sand box and the dead head sand box are internally provided with a roll. The roll comprises an upper roll neck, a roll body and a lower roll neck, wherein the lower roll neck is connected with a central casting pipe; a bottom-casting system is placed inside the central casting pipe; and the bottom-casting system is internally provided with a refractory brick. The cast steel roll bottom-casting system has the advantages that molten steel is injected smoothly, the sand grains, the foreign matters and the impurities in the molten steel float upwards easily and the like.

Description

Cast steel roll bottom pouring type running gate system

Technical field:

The utility model relates to a kind of cast steel roll bottom pouring type running gate system.

Background technology:

General cast steel roll running gate system molten steel is not steady when injecting, and the field trash in sand grains, foreign matter and the molten steel in the roll die cavity precipitates easily.

The utility model content:

The purpose of this utility model is in order to overcome above deficiency, a kind of reliability height to be provided, a kind of cast steel roll bottom pouring type running gate system that processing cost is low.

The purpose of this utility model is achieved through the following technical solutions: a kind of cast steel roll bottom pouring type running gate system, comprise under casing, be connected with the centre circle sandbox on the described under casing, be connected with the roll neck sandbox on the described centre circle sandbox, be connected with the rising head sandbox on the described last roll neck sandbox, described under casing, centre circle sandbox, last roll neck sandbox, rising head sandbox inside are equipped with a roll.Described roll comprises roll neck, the body of roll and following roll neck, and described roll neck down is connected with feed trumpet, and feed trumpet is built-in with bottom gating, is provided with refractory brick in the described bottom gating.

The utlity model has following advantage: molten steel injects steadily, and the field trash in sand grains, foreign matter and the molten steel in the roll die cavity floats easily.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Number in the figure: roll neck, 9-feed trumpet, 10-bottom gating, 11-refractory brick under 1-under casing, 2-centre circle sandbox, the last roll neck sandbox of 3-, 4-rising head sandbox, 5-roll, the last roll neck of 6-, the 7-body of roll, the 8-.

The specific embodiment:

In order to deepen understanding of the present utility model, the utility model is described in further detail below in conjunction with embodiment and accompanying drawing, and this embodiment only is used to explain the utility model, does not constitute the qualification to the utility model protection domain.

Show a kind of cast steel roll bottom pouring type running gate system as Fig. 1, comprise under casing 1, be connected with centre circle sandbox 2 on the described under casing 1, be connected with roll neck sandbox 3 on the described centre circle sandbox 2, be connected with rising head sandbox 4 on the described last roll neck sandbox 3, described under casing 1, centre circle sandbox 2, last roll neck sandbox 3, rising head sandbox 4 inside are equipped with a roll 5.Described roll comprises roll neck 6, the body of roll 7 and following roll neck 8.Described roll neck 8 down is connected with feed trumpet 9, and feed trumpet 9 is built-in with bottom gating 10, is provided with refractory brick 11 in the described bottom gating 10.The utlity model has molten steel and inject steadily, advantages such as the easy come-up of the field trash in sand grains, foreign matter and the molten steel in the roll die cavity.

Claims

1. cast steel roll bottom pouring type running gate system, comprise under casing (1), it is characterized in that: be connected with centre circle sandbox (2) on the described under casing (1), be connected with roll neck sandbox (3) on the described centre circle sandbox (2), be connected with rising head sandbox (4) on the described last roll neck sandbox (3), described under casing (1), centre circle sandbox (2), last roll neck sandbox (3), rising head sandbox (4) inside are equipped with a roll (5).Described roll (5) comprises roll neck (6), the body of roll (7) and following roll neck (8), described roll neck (8) down is connected with feed trumpet (9), described feed trumpet (9) is built-in with bottom gating (10), is provided with refractory brick (11) in the described bottom gating (10).