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Automatic control system for suspension pouring

An automatic control system and suspension pouring technology, which is applied in the field of casting and pouring, can solve the problems of shrinkage cavity, internal spheroidization recession, shrinkage porosity, and large fluctuations in the quality of casting workpieces, etc.

Inactive Publication Date: 2016-06-15
JUZHOU GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the pouring speed of molten steel is a variable in the pouring process, and when artificially added based on experience, it cannot meet the control technical requirements of proportional quantitative addition with the filling speed of molten steel, so the quality of the formed casting workpiece fluctuates greatly, for example, it is easy to cause castings Unfavorable phenomena such as coarse grains in the internal structure, shrinkage porosity, shrinkage cavities, and internal spheroidization recession of thick and large ductile iron parts have seriously affected the quality of castings, making it impossible to develop the development of suspension casting in a deep level

Method used

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  • Automatic control system for suspension pouring

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0017] Such as figure 1 As shown, a suspension pouring automatic control system includes a suspension pouring controller, the suspension pouring controller includes a PLC controller 1, the surface of the PLC controller 1 is provided with a display screen 2 and function keys 3, the PLC The signal input end of the controller 1 is connected with a wireless signal receiver 4 used in conjunction with the wireless signal tran...

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Abstract

The invention discloses a suspension pouring automatic control system, which comprises a suspension pouring controller, a molten steel injection device, a motor frequency converter and a feeding motor. The feeding motor is connected to a feeding device, and a feeding metering device is installed on the feeding device. To the suspension pouring controller, the molten steel injection device and the discharge end of the feeding device are equipped with a vortex generator; the molten steel injection device and the suspension pouring controller can communicate with each other in real time, and the molten steel injection device detects and processes the molten steel variable data in real time , and then output the signal to the suspension pouring controller, which adjusts the speed of the feeding motor according to the variable signal. In addition, the feeding metering device can also detect the flow rate of the suspending agent in real time, and send the flow signal to the suspension pouring controller. Compared with the processing results, the speed of the feeding motor is adjusted comprehensively. There is no human intervention in the process, automatic adjustment, and accurate ratio adjustment, which helps to ensure the quality of castings.

Description

technical field [0001] The invention relates to the technical field of casting and pouring, in particular to an automatic control system for casting and pouring. Background technique [0002] In the casting and pouring process, in order to ensure the grain refinement of the internal structure of the casting, it is necessary to add a suspending agent to the molten steel. At present, when adding suspending agent in suspension casting, it is generally manually added and controlled. When adding, the external addition of suspending agent is manually adjusted according to the pouring speed of molten steel. Because the pouring speed of molten steel is a variable in the pouring process, and when artificially added based on experience, it cannot meet the control technical requirements of quantitative addition in proportion to the filling speed of molten steel, so the quality of the formed casting workpiece fluctuates greatly, for example, it is easy to cause castings Unfavorable phe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D1/00B22D39/04
CPCB22D1/007B22D39/04
Inventor 张启庄丽萍
Owner JUZHOU GRP CO LTD
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