Gravity casting simulation test bench

Abstract

The invention discloses a gravity casting simulation test bench, which comprises a base, a ladle frame, a test ladle, a pouring device, a vibrating table, a simulation sand box and a measuring device. The present invention can choose water, mud or glycerin as medium to simulate liquid metal, and is mainly used for hydraulic simulation test, casting rule simulation test and vibration casting simulation test of mold filling process in casting molding process. The test ladle is driven by the pouring device to realize gravity casting, and different pouring systems and molds are installed in the simulated sand box to carry out the filling test; the test results can be obtained through the measurement device, the vibration table, the simulated sand box and the test ladle. The sensor installed in the machine is acquired, and the test parameters can be automatically collected and converted by the computer. According to different working conditions, pouring systems and casting molds, the present invention can formulate test plans in a targeted manner, obtain regular conclusions, and has the advantages of not being restricted by factors such as environment and site, easy to operate, and low in cost.

Description

technical field [0001] The invention belongs to the technical field of casting test equipment, in particular to a gravity casting simulation test bench. Background technique [0002] In traditional casting production, casting process parameters such as flow coefficient and flow rate and reasonable gating system are still determined based on experience, which is not enough and unscientific for some important and complex castings with large batches, and the rejection rate of castings is high. If not, it often results in significant economic losses. During casting in foundry production, molten iron or steel needs to be transferred to the production line with a ladle, and the molten iron or molten steel in the ladle is poured into the sprue cup of the casting workpiece by aligning with the sprue. After cooling, it is cleaned by falling sand to form a casting. At present, the casting of molten iron or molten steel is carried by the workers by hand or by driving a heavy ladle, an...

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Problems solved by technology

Zhao Zhongxing, Jin Guang, Wang Yongchen, Wang Lianqi and others published a paper titled "Development of a Multifunctional Water Simulation Test Bench" in the second issue of "Thermal Processing Technology" in 2003. Introduced a water simulation test bench, including a workbench, a low-pressure casting Water tank, main water tank, water supply pump, auxiliary water tank, measuring water tank, circulating water pump, pouring water tank, flow regulating pipe, lifting mechanism, mobile trolley, flow rate meter, the mobile trolley and the water tank above it can move back and forth, left and right, and the lifting of the pouring water tank is controlled by wire The rod and the screw nut with the runner are realized manually. This test bench can be used for the measurement of the flow coefficient and the filling test, but it cannot be used for the simulation test of the casting rule.

[0006] The obvious disadvantage of the existing technology is that there is a lack of effective indoor gravity casting simulation test equipment, especially the lack of comprehensive test benches that can simultaneously carry out gravity casting law simulation tests, filling process hydraulic simulation tests and vibration casting tests, which are more affected by the environment. Large, less measurable parameters, and inconvenient operation, cannot meet the needs of gravity casting simulation tests for casting molding, and cannot make targeted test and research plans according to various working conditions

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