Method for improving pouring port alignment accuracy of bottom pouring boiler
An accurate, bottom-injection technology, used in the control of molten metal pouring from the ladle, casting molten material containers, manufacturing tools, etc. Long and other problems, to achieve the effect of easy and fast installation, fast and accurate cooking
Inactive Publication Date: 2011-01-26
广东省韶铸集团有限公司
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Problems solved by technology
[0002] Pouring and aligning the center of the sprue cup of the casting is a prerequisite for the pouring process and a basic requirement to ensure the quality of the pouring. In the traditional non-protective pouring process, the operator basically completes the sprue through eye observation. The main problem exists The reason is that if the potting time is long, it will easily cause the molten steel to cool down more. When the pot is poured, the cold steel at the bottom of the pot will stick to the plug, and it will not be poured. It is difficult to ensure that it can be completely aligned every time. Aligning the sprue cup will easily cause molten steel to overflow from the side of the sprue cup after pouring, and the sand will be washed into the casting, resulting in quality problems of the casting
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[0010] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0011] see figure 1 , a method for improving the accuracy of the gate of the bottom pouring pot. A lower suspension wire 3 is provided at the gate 2 of the steel pot 1, and one end of the lower suspension wire 3 is fixed on the bottom of the nozzle 2 of the steel pot 1. The other end of the line 3 is in a straight line with the center line of the casting sprue cup when the pot is in the same position, and the center of the hanging line 3 is parallel to the center of gravity of the steel pot 1.
[0012] In actual use, there are two underhanging wires 3 at the nozzle 2 of the steel pot 1, the underhanging wires 3 can be iron wires, the length of each underhanging wire 3 is the pouring height required by the process, and then the two All the lower hanging wires 3 are folded in half into a "V" shape, and the upper end of the first "V" shaped lower hanging ...
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The invention relates to a method for improving the pouring port alignment accuracy of a bottom pouring boiler. A lower suspension line is arranged at the position of a steel boiler pouring port, one end of the lower suspension line is fixed at the bottom of the steel boiler pouring port, the other end of the lower suspension line is in line with the central line of a casting pouring cup during boiler alignment, and the centre of the lower suspension line is parallel to the gravity centre of the steel boiler. The lower suspension line is arranged at the position of the steel boiler pouring port conveniently and quickly, the requirements on sizes and dimensions of the pouring ports of one-boiler single-pouring port steel boilers, one-boiler multi-pouring port steel boilers and various steel boilers can be met; the length of the lower suspension line can be flexibly adjusted according to the pouring height required by a process, so that the boiler alignment is quick and accurate; the alignment efficiency of the first pouring reaches 100 percent; and the quality problems of the casting caused by long boiler alignment time and boiler alignment inaccuracy are avoided.
Description
technical field [0001] The invention belongs to the field of casting technology, and relates to a method for improving the accuracy of the sprue of a bottom-poured pouring pot that can meet the size requirements of a single-spout steel pot or a multi-spout steel pot and various steel pots. method. Background technique [0002] Pouring and aligning the center of the sprue cup of the casting is a prerequisite for the pouring process and a basic requirement to ensure the quality of the pouring. In the traditional non-protective pouring process, the operator basically completes the sprue through eye observation. The main problem exists The reason is that if the potting time is long, it will easily cause the molten steel to cool down more. When the pouring is started, the cold steel at the bottom of the pot will stick to the plug, and it will not be poured, and it is difficult to ensure that it can be completely aligned every time. Aligning the sprue cup will easily cause molten...
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IPC IPC(8): B22D37/00B22D41/08
Inventor 黄海棠张太荣张应彬刘军
Owner 广东省韶铸集团有限公司