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Continuous casting device with replaceable combination die and using method thereof

A combination mold and clamping device technology, which is applied in the field of electroslag melting and casting, can solve problems such as the mold cannot be pulled, the fusion effect of the secondary fusion zone is not good, and the detection technology requirements are very high.

Pending Publication Date: 2020-08-25
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, products with constant cross-sectional shape mainly adopt the electroslag casting method of fixed-length mold casting, ingot drawing casting, and drawing die casting. Among them, the mold cost of fixed-length casting casting method is very high; The mold melting and casting method has very high requirements for detection technology, and the ingot drawing and casting method has the problem that the ingot cannot be drawn out, and the drawing mold melting and casting method has the situation that the mold cannot be pulled
Products with multiple repeating sections mainly adopt the electroslag casting method of multi-stage intermittent melting casting. This electroslag casting method often has poor fusion effect in the secondary fusion zone.

Method used

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  • Continuous casting device with replaceable combination die and using method thereof
  • Continuous casting device with replaceable combination die and using method thereof
  • Continuous casting device with replaceable combination die and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] When casting the billet, both the combined mold 1 40 and the combined mold 2 41 adopt two equal-height short billet split molds, which are carried out according to the normal electroslag casting process, until the current sensor 26 on the upper part of the combined mold 41 emits " After the feedback signal of "slag in place", the PLC gives an instruction, and the combined mold 140 follows the Figure 9 and Figure 10 The step S1-step S8 shown is switched to the top of the second combined mold 41, the clamping device does not rotate, and the process is circulated according to this process, and the melting and casting process is carried out without interruption until the melting and casting is completed.

Embodiment 2

[0088] When casting the long axis, the structure of the combined mold 1 40 and the combined mold 2 41 is the same, and both use 2 equal-height short-axis split crystallizers, which are carried out according to the normal electroslag casting process, and are cast to the temperature sensor on the upper part of the combined mold 2 41 After 26 sends out the feedback signal of "slag is in place", PLC gives instructions, and combined mold 1 40 follows Figure 9 and Figure 10 The step S1-step S8 shown is switched to the top of the second combined mold 41, the clamping device does not rotate, and the process is circulated according to this process, and the melting and casting process is carried out without interruption until the melting and casting is completed.

Embodiment 3

[0090] For products with multiple repeating segments, such as the casting of a 6-crank crankshaft, the casting of its 6-crank segment is similar to the casting of a product with a constant cross-sectional shape.

[0091] When melting and casting 6 cranks and crankshafts, combined mold one 40 and combined mold two 41 are respectively 2 crank split molds with half crank height, and are casted according to the following steps:

[0092] 1) Place the crankshaft direct shaft section mold under the combined mold one 40, and the straight shaft section is carried out according to the normal electroslag casting process;

[0093] 2) if Figure 9 and Figure 10 As shown, when the crank segment is fused and casted to a repeatable crank section, the crank combination mold 1 40 and the combination mold 2 41 are placed in half and then closed, and when the molten slag passes through the current sensor 26 on the upper part of the combination mold 2 41, the PLC receives the current sensor 26 ...

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Abstract

The invention discloses a continuous casting device with a replaceable combination die and a using method thereof, and belongs to the technical field of electroslag casting. The continuous casting device with the replaceable combination die comprises a combination die I, a combination die II, a clamping device, a guide column, a moving frame and a controller; the combination die I and the combination die II are arranged on the guide column through the clamping device, the moving frame is arranged on one side of the guide column, the moving frame is provided with a lifting mechanism for drivingthe moving frame to move up and down, each of the guide column and the movable frame is provided with a telescopic mechanism, the telescopic mechanisms are used for pushing the clamping device to move along the movable frame, and the controller is connected with the lifting mechanism, the combination die I, the combination die II, the clamping device and the telescopic mechanisms and used for achieving transposition of the combination die I or the combination die II. The continuous casting device with the replaceable combination die and the using method thereof are suitable for producing products with unchanged cross section shapes and products with multiple repeated sections, and are simple in structure, low in cost, free of slag leakage and good in casting effect.

Description

technical field [0001] The invention relates to the technical field of electroslag casting, in particular to a continuous casting device with interchangeable combined molds and a method for using the same. Background technique [0002] With the rapid development of the equipment manufacturing industry, the demand for electroslag castings is increasing day by day. Electroslag casting integrates melting, refining, and near-final solidification forming, and is one of the special casting methods for producing high-quality castings. As the proportion of mold costs for electroslag casting products is getting higher and higher, product profits are getting lower and lower. How to reduce mold costs without affecting the quality of castings has become the key to realizing profits. [0003] At present, products with constant cross-sectional shape mainly adopt the electroslag casting method of fixed-length mold casting, ingot drawing casting, and drawing die casting. Among them, the mo...

Claims

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Application Information

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IPC IPC(8): B22D11/14B22D11/04
CPCB22D11/04B22D11/14
Inventor 王安国
Owner SHENYANG AEROSPACE UNIVERSITY
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