CN219484144U

CN219484144U - Copper profile graphite die for upward continuous casting machine crystallizer

Info

Publication number: CN219484144U
Application number: CN202320553167.5U
Authority: CN
Inventors: 李加泉; 李家洲
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-08
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a copper profile graphite mold for a crystallizer of an upward continuous casting machine, belonging to the technical field of upward continuous casting production of copper profiles; the mold comprises a cylindrical mold shell and a core column arranged in the mold shell, wherein the bottom of the core column is arranged on a mold base positioned at the lower end of the mold shell, a cavity is formed between the core column and the mold shell, and a plurality of through holes communicated with the cavity are formed around the bottom of the mold shell; the upper end of the cavity is internally provided with a mould opening partition in a matching way, the upper end face of the core column is provided with a straight-line-shaped opening, and the straight-line-shaped opening and the mould opening partition are distributed in a staggered way in the circumferential direction. According to the copper profile graphite die, the die opening partition and the linear opening are respectively arranged, so that the original copper tube or copper rod forming structure is changed, the copper profile graphite die can be suitable for production and processing in special industries, and has the advantages of higher melting speed, higher production efficiency and fewer impurities.

Description

Copper profile graphite die for upward continuous casting machine crystallizer

Technical Field

The utility model belongs to the technical field of copper profile upward continuous casting production, and particularly relates to a copper profile graphite mold for a crystallizer of an upward continuous casting machine.

Background

The upward continuous casting machine is widely applied to copper smelting and casting, and the graphite mould is connected with the crystallizer and is arranged on the upward mechanism support, so that molten liquid copper can be subjected to upward continuous casting molding through the graphite mould. In the existing upward continuous casting machine, the liquid outlet of the casting furnace is a tubular crystallizer, the graphite mold is embedded in the tubular crystallizer of the upward continuous casting machine, and liquid copper enters the graphite mold from a plurality of through holes at the bottom of the graphite mold during casting.

At present, most of existing graphite molds are cylindrical, a plurality of through holes are formed in the periphery of the cylindrical graphite mold close to the bottom, the cylindrical graphite mold is divided into two types, namely a graphite core column and a non-core column, and a formed part manufactured by up-drawing continuous casting is a copper rod or a copper pipe. However, in special industries, such as copper acid solution production, copper needs to be dissolved, and in order to facilitate dissolution, copper materials are generally subjected to rolling processing, and during the rolling processing, the purity of the solution is affected due to abrasion of a die and occurrence of a lubricant. The cathode copper is generally used as a processing raw material to be subjected to casting and then processing to form a product, and when a copper pipe and a copper wire formed by continuous casting are dissolved, the tubular structure of the copper pipe and the copper wire has the problems of low dissolution speed and low processing efficiency. Therefore, the copper profile produced by the graphite die cannot be well adapted to the production requirements of special industries.

Therefore, there is a need for a copper profile graphite mold of an upward continuous casting machine, which can enable the molded copper piece manufactured by upward continuous casting to be suitable for the production requirement of the copper acid solution production industry.

Disclosure of Invention

The purpose of the utility model is that: the copper profile graphite mold for the upward continuous casting machine crystallizer is provided, and the mold opening partition and the linear opening are respectively arranged, so that the original molding structure of a copper pipe or a copper rod is changed, the copper profile graphite mold can be suitable for the production requirements of the copper acid solution production industry, and has higher melting speed and production efficiency and less impurity generation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the copper profile graphite mold for the upward continuous casting machine crystallizer comprises a cylindrical mold shell and a core column arranged in the mold shell, wherein the bottom of the core column is fixedly connected to a mold base positioned at the lower end of the mold shell, a cavity is formed between the core column and the mold shell, and a plurality of through holes communicated with the cavity are formed around the bottom of the mold shell; a die opening partition is arranged in the upper end of the cavity in a matched manner, the upper end face of the die opening partition is flush with the upper end face of the die shell, and the lower end of the die opening partition extends to the lower part of the cavity; the upper end face of the core column is provided with a straight-line-shaped opening, the straight-line-shaped opening and the die opening are distributed in a staggered mode in the circumferential direction, the symmetrical center line of the straight-line-shaped opening coincides with the diameter line of the end face of the core column, and the opening direction of the straight-line-shaped opening is downward along the axial direction of the core column.

The partition depth of the mold opening partition is the same as the length of the cavity.

The die opening partition is at least provided with more than one, and a plurality of die opening partitions are uniformly and fixedly connected between the core column and the die shell along the circumferential direction.

The width of the straight-line-shaped opening is 0.1-2 mm, and the depth of the opening is the same as the length of the cavity.

The straight-line openings are at least provided with one, two or more than two straight-line openings which are arranged in a crossing way, and the crossing point passes through the center of the end face of the core column.

The beneficial effects of the utility model are as follows:

according to the copper profile graphite mold, the mold opening partition is matched with the mold shell at the upper end of the cavity, so that the molding structure is designed into a slotted copper pipe or copper bar, and the production of copper-dissolving liquid is facilitated; through set up the style of calligraphy opening on the up end of stem, further design the shaping structure into bigger area of contact for copper section bar's melting speed improves copper section bar and uses the production efficiency in special trade, produces less impurity in the production process.

Drawings

FIG. 1 is a cross-sectional view of a copper profile graphite mold of the present utility model;

fig. 2 is a top view of fig. 1.

In the figure, the mold comprises a 1-mold shell, a 2-core column, a 3-mold base, a 4-through hole, a 5-mold opening partition, a 6-cavity and a 7-linear opening.

Detailed Description

The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.

Examples: as shown in fig. 1 and 2, the utility model provides a copper profile graphite mold for a crystallizer of an upward continuous casting machine, which comprises a cylindrical mold shell 1 and a core column 2 arranged in the mold shell 1, wherein the bottom of the core column 2 is fixedly connected to a mold base 3 positioned at the lower end of the mold shell 1, a cavity 6 is formed between the core column 2 and the mold shell 1, a plurality of through holes 4 communicated with the cavity 6 are formed around the bottom of the mold shell 1, and the through holes 4 are used for entering copper liquid during upward continuous casting.

The upper end of the cavity 6 is internally and fixedly provided with a mold opening partition 5 in a matching way, the inner wall and the outer wall of the mold opening partition 5 are respectively tightly attached to the outer wall of the core column 2 and the inner wall of the mold shell 1, the upper end face of the mold opening partition 5 is flush with the upper end face of the mold shell 1, and the lower end of the mold opening partition extends to the lower part of the cavity 6; the partition depth of the mold opening partition 5 is the same as the length of the cavity 6.

When the mould opening partition 5 is set as one, the structure formed by upward continuous casting is a slotted copper pipe; when the mould opening cuts off 5 and is established to two and more, a plurality of mould opening cuts off 5 along the even fixed connection of circumferencial direction between stem 2 and mould shell 1, and the structure of drawing continuous casting shaping is negative pole copper, copper sheet or copper bar structure, compares in the copper pipe, and the copper section bar after the slotting is more convenient for dissolve in copper liquid production increase area of contact, and the acceleration dissolves, reduces impurity, improves the production efficiency that the copper section bar used in special trade.

The upper end face of the core column 2 is provided with a straight-line-shaped opening 7, the straight-line-shaped opening 7 and the mould opening partition 5 are distributed in a staggered manner in the circumferential direction, the symmetrical center line of the straight-line-shaped opening 7 coincides with the diameter line of the end face of the core column 2, and the opening direction of the straight-line-shaped opening 7 is downward along the axial direction of the core column 2; the opening width of the straight-shaped opening 7 is 0.1-2 mm, and the opening depth is the length of the cavity 6.

When the straight-line opening 7 is arranged as one strip, the structure of the upper continuous casting molding is an arc I-shaped structure; two or more linear openings 7 are arranged in a crossing way, when the crossing points pass through the center of the end face of the core column 2, the two linear openings 7 are arranged, the structure of the upward continuous casting molding is a structure with arc sheets around the cross, and when the three or more linear openings 7 are arranged, the openings are in a shape of a Chinese character 'mi'. Compared with a copper pipe, the formed copper casting with the opening structure has larger contact area and higher melting speed, and can greatly improve the production efficiency of the copper profile applied to special industries and reduce impurities.

In the copper profile graphite mold, the mold opening partition is matched with the upper end of the cavity to design the molding structure as a slotted copper pipe or copper bar, so that the contact area is increased, the dissolution is accelerated, and the impurities are reduced in the production of copper-dissolving liquid; through setting up the style of calligraphy opening on the up end of stem, further design the shaping structure into bigger area of contact's structure for copper section bar's melting speed improves copper section bar and uses the production efficiency in special trade.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. A copper section bar graphite mould for drawing conticaster crystallizer upward which characterized in that: the mold comprises a cylindrical mold shell (1) and a core column (2) arranged in the mold shell (1), wherein the bottom of the core column (2) is fixedly connected to a mold base (3) positioned at the lower end of the mold shell (1), a cavity (6) is formed between the core column (2) and the mold shell (1), and a plurality of through holes (4) communicated with the cavity (6) are formed around the bottom of the mold shell (1); a die opening partition (5) is arranged in the upper end of the cavity (6) in a matched mode, the upper end face of the die opening partition (5) is flush with the upper end face of the die shell (1), and the lower end of the die opening partition extends to the lower portion of the cavity (6); the upper end face of the core column (2) is provided with a linear opening (7), the linear opening (7) and the mould opening partition (5) are distributed in a staggered mode in the circumferential direction, the symmetrical center line of the linear opening (7) coincides with the end face diameter line of the core column (2), and the opening direction of the linear opening (7) is along the axial downward direction of the core column (2).

2. A copper profile graphite mold for use in an up-casting machine mold according to claim 1, wherein: the partition depth of the die opening partition (5) is the same as the length of the cavity (6).

3. A copper profile graphite mold for use in an up-casting machine mold according to claim 1 or 2, characterized in that: the die opening partition (5) is at least provided with more than one, and a plurality of the die opening partitions (5) are uniformly and fixedly connected between the core column (2) and the die shell (1) along the circumferential direction.

4. A copper profile graphite mold for use in an up-casting machine mold according to claim 1, wherein: the width of the straight opening (7) is 0.1-2 mm, and the depth of the opening is the same as the length of the cavity (6).

5. A copper profile graphite mold for use in an up-casting mold of a continuous casting machine according to claim 1 or 4, wherein: the straight-line-shaped openings (7) are at least provided with one, two or more than two straight-line-shaped openings (7) which are arranged in a crossing way, and the crossing point passes through the center of the end face of the core column (2).