High vacuum die -casting alarm device
The utility model belongs to the evacuated die -casting process field to a high vacuum die -casting alarm device is disclosed, the device includes vacuum pump, negative pressure jar, die casting die and monitoring alarm device, the vacuum pump links to each other with the negative pressure jar, is p...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model belongs to the evacuated die -casting process field to a high vacuum die -casting alarm device is disclosed, the device includes vacuum pump, negative pressure jar, die casting die and monitoring alarm device, the vacuum pump links to each other with the negative pressure jar, is provided with a pressure sensor on this negative pressure jar, and a pressure sensor links to each other with monitoring alarm device, the last vacuum hydrovalve that is provided with of die casting die, this vacuum hydrovalve pass through the pipeline with the negative pressure jar links to each other, be provided with first solenoid valve and the 2nd pressure sensor on the pipeline, this first solenoid valve and the 2nd pressure sensor all with the monitoring alarm device link to each other, the pipeline still links to each other with compressed air source through the branch pipe, is provided with on this branch pipe and monitors the second solenoid valve that alarm device links to each other. The utility model di |
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