CN216176537U

CN216176537U - Multi-ingot casting single-ingot mold structure

Info

Publication number: CN216176537U
Application number: CN202121611289.2U
Authority: CN
Inventors: 王育飞; 张灿; 王傲; 王博祥; 张福利; 徐于斌; 郭瑞华; 李瑞杰; 齐紫阳; 赵培义
Original assignee: HBIS Co Ltd
Current assignee: HBIS Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-04-05
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to a structure of a plurality of ingot casting single ingot moulds, belonging to the technical field of ingot mould preparation in the metallurgical industry. The technical scheme is as follows: the lug (2) is symmetrically welded on two sides of the riser iron shell (1), the primary and secondary ports (3) are positioned at the bottom of the riser iron shell (1), the casting steel port (5) is of a structure with a small upper part and a large lower part, and refractory materials are filled among the riser iron shell (1), the primary and secondary ports (3) and the casting steel port (5); the ingot mould body (7) symmetry divide into two parts, closely laminates through primary and secondary mouth (3), and two parts ingot mould body (7) are fixed by fixed slot (6) respectively, are equipped with two or more casting room (8) in ingot mould body (7), are equipped with between casting room (8) bottom and communicate mouth (9), fill refractory material between casting room (8) and the ingot mould body (7). The utility model has the beneficial effects that: the cast steel ingot can be directly processed into the electroslag smelting consumable electrode only by simple cutting, thereby shortening the smelting production period of the product and improving the yield of the product.

Description

Multi-ingot casting single-ingot mold structure

Technical Field

The utility model relates to a structure of a plurality of ingot casting single ingot moulds, belonging to the technical field of ingot mould preparation in the metallurgical industry.

Background

The method is limited by the space of a vacuum chamber of a vacuum furnace, a plurality of ingot moulds are difficult to place in the vacuum chamber, in the process of a vacuum-electroslag duplex smelting process, an electroslag consumable electrode has strict requirements on the size, steel ingots cast by smelting in the vacuum furnace often cannot meet the size requirements of the electroslag consumable electrode, and the process of heat treatment, forging and the like is needed in the middle, so that the smelting production period of products is greatly prolonged, the raw material loss is serious in the process, and the yield of the products is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-ingot casting single-ingot mould structure, a cast steel ingot can be directly processed into an electroslag smelting consumable electrode only by simple cutting, the smelting production period of a product is shortened, the yield of the product is improved, and the problems in the background art are solved.

The technical scheme of the utility model is as follows:

a multi-ingot casting single ingot mould structure comprises a heat-insulating riser and an ingot mould body; the heat-insulation riser comprises a riser iron shell, a lug, a primary and secondary opening and a steel pouring opening, wherein the lug is symmetrically welded on two sides of the riser iron shell, the primary and secondary opening is positioned at the bottom of the riser iron shell, the steel pouring opening is of a structure with a small upper part and a big lower part, the shape of the steel pouring opening corresponds to the shape of a section of a casting chamber, and refractory materials are filled among the riser iron shell, the primary and secondary opening and the steel pouring opening;

the ingot mould body comprises a fixed clamping groove, an ingot mould body, casting chambers and communicating ports, the ingot mould body is symmetrically divided into two parts which are tightly attached through the primary and secondary ports, the two parts of the ingot mould body are respectively fixed by the fixed clamping groove, two or more casting chambers are arranged in the ingot mould body, the communicating ports are arranged between the bottom ends of the casting chambers, and refractory materials are filled between the casting chambers and the ingot mould body.

The casting chamber and the steel pouring opening are round or square.

The number of the fixed clamping grooves is four or more, and the fixed clamping grooves are respectively cast at two sides of the ingot mould body.

The minimum distance between the casting chambers is greater than one half of the thickness of the outer wall of the ingot mould.

The communicating opening is rectangular or circular, and the outline of the communicating opening is larger than one third of the thickness of the bottom of the ingot mold.

The utility model has the beneficial effects that: the ingot mould has simple structure, avoids the requirement of vacuum-electroslag duplex smelting process and the large-scale mechanical transformation of a vacuum chamber, the cast steel ingot can be directly processed with an electroslag smelting consumable electrode only by simple cutting, the smelting production period of the product is shortened, the yield of the product is improved, the ingot mould structure is convenient to disassemble, the working efficiency is improved, the ingot mould can be recycled for multiple times, the smelting cost is reduced, and a new idea is provided for the vacuum smelting process of high-end variety steel.

Drawings

FIG. 1 is a schematic longitudinal section of the present invention;

FIG. 2 is a top view of the present invention;

in the figure: the casting head comprises a casting head iron shell 1, a lug 2, a primary-secondary opening 3, a refractory material filling area 4, a steel pouring opening 5, a fixed clamping groove 6, an ingot mould body 7, a casting chamber 8 and a communicating opening 9.

Detailed Description

The utility model is further illustrated by way of example in the following with reference to the accompanying drawings.

Referring to the attached figures 1-2, a multi-ingot single-ingot mold structure comprises a heat-insulating riser and an ingot mold body; the heat-insulation riser comprises a riser iron shell 1, a lug 2, a primary and secondary opening 3 and a steel pouring opening 5, wherein the lug 2 is symmetrically welded on two sides of the riser iron shell 1, the primary and secondary opening 3 is positioned at the bottom of the riser iron shell 1, the steel pouring opening 5 is of a structure with a small upper part and a large lower part, the shape of the steel pouring opening 5 corresponds to the shape of the section of a casting chamber 8, and refractory materials are filled among the riser iron shell 1, the primary and secondary openings 3 and the steel pouring opening 5;

the ingot mould body comprises a fixed clamping groove 6, an ingot mould body 7, a casting chamber 8 and a communicating opening 9, wherein the ingot mould body 7 is symmetrically divided into two parts which are tightly attached through a primary-secondary opening 3, the two parts of the ingot mould body 7 are respectively fixed by the fixed clamping groove 6, two or more casting chambers 8 are arranged in the ingot mould body 7, the communicating opening 9 is arranged between the bottom ends of the casting chambers 8, and refractory materials are filled between the casting chambers 8 and the ingot mould body 7.

In this embodiment, referring to fig. 1-2, the lugs 2 are symmetrically welded on two sides of the feeder head iron shell 1, the primary-secondary ports 3 are located at the bottom of the feeder head iron shell 1, the shape of the casting steel port 5 corresponds to the shape of the section of the casting chamber 8, and is circular, square or other shapes, the casting steel port 5 is small at the top and large at the bottom, and other areas of the feeder head are the refractory material filling area 4.

Two or more casting chambers 8 are arranged in the ingot mould body 7, the minimum distance a between the casting chambers 8 is required to be larger than 1/2 of the outer wall thickness of the ingot mould, a communication port 9 is arranged between the bottom ends of the casting chambers 8, the communication port 9 is rectangular, circular or other shapes, and the size b of the communication port is required to be larger than 1/3 of the bottom thickness d of the ingot mould. Four or more fixed clamping grooves 6 are respectively cast on two sides of the ingot mould body 7, the other parts are refractory material filling areas, and the thickness c of the refractory material filling area at the bottom end of the ingot mould is required to be larger than 1/4 of the thickness d of the bottom of the ingot mould.

In the first preparation process of the ingot mold, the refractory filling area 4 needs to be filled with a plastic refractory, and the plastic refractory is tamped and flattened. Then, the two parts of ingot mould bodies 7 are clamped and fixed by wedge-shaped pins through the fixed clamping grooves 6 respectively, attention is paid to the fact that the primary and secondary ports 3 are tightly attached to each other and cannot leave gaps, then the heat-insulation riser is placed on the ingot mould bodies 7, the two parts are clamped and fixed through the primary and secondary ports 3, finally the whole ingot mould is placed in a heating furnace for drying, and the ingot mould can be placed in a vacuum furnace for use after drying. In the subsequent ingot mould recycling stage, the refractory material falling from the refractory material filling area 4 is filled by a small amount for use.

Claims

1. The utility model provides a many ingot casting single ingot mould structures which characterized in that: comprises a heat-insulating riser and an ingot mould body; the heat-insulation riser comprises a riser iron shell (1), a lug (2), a primary-secondary port (3) and a casting steel port (5), wherein the lug (2) is symmetrically welded on two sides of the riser iron shell (1), the primary-secondary port (3) is positioned at the bottom of the riser iron shell (1), the casting steel port (5) is of a structure with a small upper part and a large lower part, the shape of the casting steel port (5) corresponds to the shape of the section of a casting chamber (8), and refractory materials are filled among the riser iron shell (1), the primary-secondary port (3) and the casting steel port (5);

the ingot mould body includes fixed slot (6), ingot mould body (7), casting room (8) and intercommunication mouth (9), and ingot mould body (7) symmetry divide into two parts, closely laminates through primary and secondary mouth (3), and two parts ingot mould body (7) are fixed by fixed slot (6) respectively, are equipped with two or more casting room (8) in ingot mould body (7), are equipped with intercommunication mouth (9) between casting room (8) bottom, fill refractory material between casting room (8) and the ingot mould body (7).

2. The structure of a multi-ingot single-ingot mold as claimed in claim 1, wherein: the casting chamber (8) and the steel pouring opening (5) are round or square.

3. The structure of a multi-ingot single-ingot mold as claimed in claim 2, wherein: the number of the fixed clamping grooves (6) is four or more, and the fixed clamping grooves are respectively cast on two sides of the ingot mould body (7).

4. The structure of a multi-ingot single-ingot mold as claimed in claim 1, wherein: the minimum distance between the casting chambers (8) is more than half of the thickness of the outer wall of the ingot mould.

5. The structure of a multi-ingot single-ingot mold as claimed in claim 1, wherein: the communication port (9) is rectangular or circular, and the outline of the communication port is larger than one third of the thickness of the bottom of the ingot mold.