CN-114603117-B - Coaxial centering system and continuous casting cladding production line

Abstract

The invention provides a coaxial core fixing system and a continuous casting cladding production line, which belong to the technical field of hot melt continuous casting processes, wherein the coaxial core fixing system comprises a crystallizer and a two-dimensional fine adjustment device, the crystallizer is connected with an inlet and an outlet which are positioned on the same axis of a melting furnace, a core fixing die used for restraining radial deflection of a steel core is arranged in the crystallizer, the two-dimensional fine adjustment device is arranged in front of the inlet of the melting furnace and/or behind the outlet of the melting furnace, a supporting piece used for supporting the steel core is arranged on the two-dimensional fine adjustment device, and the two-dimensional fine adjustment device can drive the supporting piece to move in the horizontal direction and the vertical direction on a plane perpendicular to the advancing track of the steel core. The coaxial centering system can enable the axis of the steel core to be coaxial at the inlet and outlet of the melting furnace, thereby being beneficial to keeping the thickness uniformity of the steel core cladding layer.

Inventors

• WANG WEI

Assignees

• 北京市金合益科技发展有限公司

Dates

Publication Date

20260505

Application Date

20220324

Claims (9)

1. 1. A coaxial centering system, comprising: the first crystallizer (6) is connected to the inlet of the melting furnace (1), and an interface suitable for inputting inert gas is arranged on the first crystallizer (6); A second crystallizer (2) coaxially connected to the first crystallizer (6) at the outlet of the furnace (1); The two-dimensional fine tuning device (3) is arranged in front of an inlet of the smelting furnace (1), a supporting piece used for supporting a steel core penetrating through the first crystallizer (6) and the second crystallizer (2) is arranged on the two-dimensional fine tuning device (3), and the two-dimensional fine tuning device (3) can drive the supporting piece to move in the horizontal direction and the vertical direction on a plane perpendicular to the travelling track of the steel core; a core fixing die (21) is detachably connected to the inner wall of the second crystallizer (2), and the radial deflection of the steel core is restrained by the core fixing die (21); the wheel row straightening device (4) is provided with a horizontal guide wheel row and a vertical guide wheel row which are suitable for penetrating through the steel core; The turnover straightening device (5) is provided with a rotary straightening cavity, and the steel core enters the turnover straightening device (5) after passing through the wheel bar straightening device (4).
2. 2. Coaxial centering system according to claim 1, characterized in that the centering mould (21) is of annular structure, the inner wall of the second crystallizer (2) being provided with an annular groove for embedding the centering mould (21).
3. 3. Coaxial centering system according to claim 1, characterized in that the centering mould (21) is of ceramic material.
4. 4. A coaxial centering system as claimed in any one of claims 1-3, characterized in that the two-dimensional fine tuning device (3) comprises: The base (31), the base (31) is connected with a first platform (32) in a sliding way, and the first platform (32) can move along the vertical direction relative to the base (31) under the driving; The second platform (33) is connected to the first platform (32) in a sliding mode, the supporting piece is fixedly arranged on the second platform (33), and the second platform (33) can move along the horizontal direction relative to the first platform (32) under the driving of the second platform.
5. 5. Coaxial centering system according to claim 4, characterized in that the base (31) is provided with a first driving element (34) adapted to drive the first platform (32) to move, and the first platform (32) is provided with a second driving element (35) adapted to drive the second platform (33) to move.
6. 6. A coaxial coring system according to any one of claims 1-3, wherein said support comprises two oppositely arranged rollers (36), between which rollers (36) a guiding channel is formed for threading said steel core.
7. 7. The coaxial centering system of claim 6, wherein a spacing between the rollers (36) is adjustable.
8. 8. The coaxial centering system according to claim 7, characterized in that the rollers (36) are mounted on a support frame provided with at least two symmetrical strip-shaped grooves (37) extending in the direction of the line connecting the two rollers (36), any one of the rollers (36) being mounted on the strip-shaped groove (37).
9. 9. Continuous casting cladding production line, characterized by comprising a coaxial centering system according to any one of claims 1-8.

Description

Coaxial centering system and continuous casting cladding production line Technical Field The invention relates to the technical field of hot melt continuous casting processes, in particular to a coaxial core fixing system and a continuous casting cladding production line. Background When the copper-clad steel bimetallic material is manufactured by adopting a continuous casting method, the technical process comprises the steps of passing a clean steel core through molten copper liquid, and then enabling the outer surface of the steel core to be covered with copper with a certain thickness through the cooling effect of a crystallizer. When the method is used, the steel core to be coated is subjected to a straightening process in advance, and the straightened steel core to be coated is continuously conveyed into a furnace to be subjected to a coating process, however, when the axis of the steel core is not coaxial with an inlet and an outlet of the furnace in the continuous casting coating work at present, the thickness of a copper layer coated on the steel core is easily uneven. Disclosure of Invention Therefore, the technical problem to be solved by the invention is to overcome the defect that the thickness of the steel core cladding copper layer is easy to be uneven in the prior art, thereby providing a coaxial centering system and a continuous casting cladding production line. In order to solve the above problems, the present invention provides a coaxial centering system, comprising: a first crystallizer connected at an inlet of the furnace; A second crystallizer coaxially connected to the first crystallizer at the outlet of the furnace; the two-dimensional fine tuning device is arranged in front of an inlet of the melting furnace, a supporting piece used for supporting a steel core penetrating through the first crystallizer and the second crystallizer is arranged on the two-dimensional fine tuning device, and the two-dimensional fine tuning device can drive the supporting piece to move in the horizontal direction and the vertical direction on a plane perpendicular to the advancing track of the steel core. Further, a core fixing die is detachably connected to the inner wall of the second crystallizer, and the steel core is restrained from radially shifting by the core fixing die. Further, the centering die is of an annular structure, and an annular groove for embedding the centering die is formed in the inner wall of the second crystallizer. Further, the centering die is made of ceramic materials. Further, the two-dimensional fine adjustment device includes: The base is connected with a first platform in a sliding manner, and the first platform can move along the vertical direction relative to the base under the driving of the first platform; The second platform is connected to the first platform in a sliding manner, the supporting piece is fixedly arranged on the second platform, and the second platform can move along the horizontal direction relative to the first platform under the driving. Further, a first driving piece suitable for driving the first platform to move is arranged on the base, and a second driving piece suitable for driving the second platform to move is arranged on the first platform. Further, the support comprises two oppositely arranged rollers, and a guide channel for penetrating the steel core is formed between the two rollers in a surrounding shape. Further, the distance between the two rollers is adjustable. Further, the rollers are mounted on a supporting frame, at least two symmetrical strip-shaped grooves extending along the connecting line direction of the two rollers are formed in the supporting frame, and any roller is mounted on the strip-shaped groove. In addition, the invention also provides a continuous casting cladding production line, which comprises the coaxial centering system. The technical scheme of the invention has the following advantages: 1. The coaxial core fixing system provided by the invention is characterized in that a two-dimensional fine adjustment device is arranged in front of an inlet of a smelting furnace, a first crystallizer is arranged at the inlet of the smelting furnace, a second crystallizer is connected to an outlet of the smelting furnace, the first crystallizer and the second crystallizer are coaxially arranged, the steel core can be supported by the two-dimensional fine adjustment device, the first crystallizer and the second crystallizer together, and the steel core is coaxially kept with the inlet and the outlet of the smelting furnace, so that the problem of uneven thickness of a copper coating on the steel core is avoided. 2. According to the coaxial core fixing system provided by the invention, the core fixing mould is detachably connected to the inner wall of the second crystallizer, and when the core fixing mould is affected by the abrasion of the steel core to affect the copper layer cladding uniformity, the old core fixing mould can