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Oscillatory type double roll strip casting mill

A twin-roll thin strip, casting and rolling mill technology, applied in the field of metallurgical machinery, can solve the problems of segregation, cracks, delamination, easy deposition of impurities, etc., to achieve uniform distribution of alloy components, reduce segregation, and refine grains.

Inactive Publication Date: 2010-08-11
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, ordinary casting and rolling machines directly use casting rolls as crystallization rolls. When the casting and rolling machine is working, the two casting rolls roll synchronously. V"-shaped belt, the solidification end point is at the lower sharp point of the "V" shape, where various impurities are easily deposited, and defects such as segregation, cracks, and delamination occur

Method used

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  • Oscillatory type double roll strip casting mill
  • Oscillatory type double roll strip casting mill
  • Oscillatory type double roll strip casting mill

Examples

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Effect test

Embodiment 1

[0016] Embodiment 1 mechanical vibration type twin-roll strip casting and rolling mill

[0017] Fig. 1 is a mechanical vibrating twin-roll strip casting mill disclosed by the present invention. One end of the connecting rod 21 is sleeved on the vibration shaft 20, and the other end is sleeved on the rotating shaft 23, and the vibration shaft 20 is installed on the bottom of the vibration side bearing block 10 (see FIG. 2). A crank device is set on the rotating shaft 23, and the crank device is composed of an outer eccentric sleeve 22 and an inner eccentric sleeve 24, both of which have eccentricity, and are fixed together by screws 25 after a relative rotation of an angle to form an eccentricity Different cranksets.

[0018] The inner ring of bearing 11 is equipped with vibration side casting roll 9, and bearing 11 is installed in the vibration side bearing block 10. The casting roller 4 on the non-vibrating side is installed in the bearing seat 3 on the non-vibrating side, ...

Embodiment 2

[0036] Embodiment 2 Electromagnetic vibration type twin-roll strip casting and rolling mill

[0037] As shown in FIG. 4 , the electromagnetic vibration vibration device is mainly composed of an armature 26 , a spring 27 , an armature mandrel 28 , an electromagnetic coil 29 and a current regulator 30 . The armature mandrel 28 constrains the spring 27 and fixes the armature 26 and the vibration side bearing seat 10 together. The current regulator 30 controls the magnitude, direction and frequency of the current. Vibration side bearing seat 10 and its accessory parts move downward, and when electric current disappears, electromagnetic force also disappears, and vibration side bearing seat 10 moves up to original position under the effect of spring 27, has just finished a process of vibration like this. The amplitude and frequency of the armature 26 is controlled by a current regulator 30 .

Embodiment 3

[0038] Embodiment 3 Hydraulic vibration type twin-roll strip casting and rolling mill

[0039] The hydraulic vibration device is mainly composed of a vibration piston 31, a spring 32, a mandrel 33, hydraulic oil 34, a hydraulic cylinder 35, and a hydraulic servo system 36. The mandrel 33 fixes the vibrating side bearing housing 10 and the vibrating piston 31 together, the hydraulic cylinder 35 is fixed on the frame 2, the hydraulic oil 34 is controlled by the hydraulic servo system 36, and the vibration frequency and amplitude of the vibrating piston 28 are controlled by the hydraulic servo system 32 to control.

[0040] When the system works, the servo system 36 makes the hydraulic oil 34 flow to the hydraulic cylinder 35, and the hydraulic oil 34 is in a high-pressure state. At a certain position, the servo system 36 makes the hydraulic oil 34 flow out of the hydraulic cylinder 35, and when the hydraulic oil 34 is in a low-pressure state, the bearing housing 10 on the vibra...

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PUM

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Abstract

The invention discloses a vibration double-roll thin strip casting and rolling machine. The machine is characterized in that: a screw down mechanism (1) is connected with a non-vibration side bearing seat (3) provided with a non-vibration side casting and rolling roller (4), and the non-vibration side bearing seat (3) is arranged on a slide way (7) of a framework (2); a bearing (10) of a vibration side casting and rolling roller (9) is arranged in a vibration side bearing seat (10), the non-vibration side bearing seat (3) and the vibration side bearing seat (10) are horizontally placed on theframework (2), and a vibration device is arranged at the lower part of the vibration side bearing seat (10). A left pad (12) and the vibration bearing seat (10) are fixedly connected with each other by a fixing board through a bolt (15) and a bolt (16), and a right pad (14) and the framework (2) are fixedly connected with each other by a fixing board (18) through a bolt, while a linear moving roller bearing (13) is arranged between the left pad (12) and the right pad (14). The invention can change solidification mechanism, and the position of the solidification end point is lifted to form a solidification end surface, thus accelerating the speed of continuous casting. Meanwhile, the invention has functions of component homogenizing, eliminating internal cracking and segregation, which cangreatly improve the quality of products. The machine can be used for molding and processing strip or slab of ferrous metals, nonferrous metals and composite materials.

Description

technical field [0001] The invention relates to the technical field of metallurgical machinery, in particular to a vibrating double-roll thin strip casting machine, which belongs to the short-process metal strip production equipment in the metallurgical industry. A new casting and rolling production method for thin strip metal processing. Background technique: [0002] At present, ordinary casting and rolling machines directly use casting rolls as crystallization rolls. When the casting and rolling machine is working, the two casting rolls roll synchronously. V-shaped belt, the end point of solidification is at the sharp point of the lower part of the "V", where various impurities are easily deposited, and defects such as segregation, cracks, and delamination occur. Therefore, controlling the position of the solidification point and the shape of the solidification region is very important to reduce casting and rolling defects. Contents of the invention [0003] In order ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/06
Inventor 杜凤山许志强路鹏程张沛
Owner YANSHAN UNIV
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