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A kind of low-pressure casting machine and pouring method thereof

A technology of low pressure casting machine and pouring method, applied in the field of low pressure and differential pressure manufacturing, can solve the problems of low casting quality, low production efficiency, poor product manufacturing precision, etc. Effect

Active Publication Date: 2019-01-11
SHANGHAI SINOTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide an improved low-pressure casting machine and its pouring method, which can overcome some deficiencies in the prior art, such as low production efficiency, poor product manufacturing precision, and low casting quality

Method used

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  • A kind of low-pressure casting machine and pouring method thereof
  • A kind of low-pressure casting machine and pouring method thereof
  • A kind of low-pressure casting machine and pouring method thereof

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Experimental program
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Effect test

Embodiment 1

[0027]The low-pressure casting machine includes a frame, a holding furnace installed in the frame, and a host that cooperates with the holding furnace. The host includes a furnace body platform, guide rails, a power follower mechanism, a molten steel level measurement mechanism, a sand box platform, Furnace cover platform, hydraulic cylinder fixing plate, hydraulic cylinder connecting plate and four-column guiding mechanism. The holding furnace includes a furnace body and a furnace cover, a tilting arm is fixed on the side wall of the furnace body, and the tilting arm is connected to a hydraulic cylinder D; the automatic control system includes a liquid level pressurization control system and a hydraulic cylinder automatic control; the guide rails are arranged horizontally and are divided into two tracks on the left and right; the bottom of the furnace body platform is provided with rollers, the upper part is fixed to the furnace body, and the side wall is provided with a hydra...

Embodiment 2

[0034] The low-pressure casting machine of the present invention includes a frame, a holding furnace installed in the frame, and a main machine matched with the holding furnace; the main machine includes a sand box structure, a molten steel level measuring structure, a guiding mechanism, and a connected power follow-up mechanism; the main engine also includes a hydraulic cylinder connecting plate, a furnace body platform and a group of guide rails arranged below the furnace body platform, the holding furnace is arranged on the furnace body platform, and a Rollers that match the rails.

[0035] The track is arranged horizontally to ensure the smooth movement of the furnace platform; the rollers at the bottom of the furnace platform are placed on the guide rails and driven by the hydraulic cylinder C to realize the forward and backward movement of the furnace platform; the sand box platform is equipped with a Sand box positioning mechanism, the positioning mechanism has a cylind...

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Abstract

The invention discloses a low-pressure casting machine. The machine is characterized by comprising a machine frame, a heat insulation furnace and a main machine. The heat insulation furnace is arranged in the machine frame, and the main machine is matched with the heat insulation furnace. The main machine comprises a sand box structure, a liquid steel liquid level measuring structure, a guide mechanism and a power source flowing mechanism. The main machine further comprises a hydraulic cylinder connection plate, a furnace body platform and a guide rail. The heat insulation furnace is arranged on the furnace body platform. Rolling wheels are arranged below the furnace body platform. The sand box structure is composed of a sand box platform and a sand box. The sand box platform is arranged above the furnace body platform. The sand box is fixedly connected with the sand box platform through a sand box positioning mechanism. The sand box positioning mechanism is connected with the hydraulic cylinder connection plate and the guide mechanism. The hydraulic cylinder connection plate is connected with a hydraulic cylinder B capable of driving the sand box platform to move. According to the low-pressure casting machine, low-pressure production and application of black metal such as cast iron and cast steel are achieved in a breakthrough mode, movement is stable, the automation degree is high, the heat insulation smelting furnace is good in heat insulation effect, energy consumption is small, and the power connection problem of a smelting station and a pouring station of the smelting heat insulation furnace is solved.

Description

technical field [0001] The invention relates to the technical field of low-pressure and pressure-difference manufacturing, in particular to a low-pressure casting machine and a pouring method thereof. Background technique [0002] Low-pressure casting is an advanced anti-gravity casting technology. It is a casting method in which molten metal fills a cavity under pressure to form a casting. Low-pressure casting castings have a high yield, compact structure, and good mechanical properties. In the field of non-ferrous metals, they are widely used in the production of automobile cylinder blocks, cylinder heads, and wheel hubs. In the field of ferrous metals, there are many technical bottlenecks in the existing technology. The number of low-pressure casting machines at home and abroad is small, and they are generally used to produce large-scale castings. Examples of applications are: low-pressure casting ductile iron crankshafts, alloy cast iron cylinder liners for large diesel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D18/04
CPCB22D18/04
Inventor 陈程苏伯营江艳星李泉波王鑫董会科
Owner SHANGHAI SINOTEC
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