Glass product forming machine

摘要

In a glass product forming machine having molds 1A and 1B each composed of a pair of split molds 11 and 12, and a mold cooling device X for cooling the molds 1A and 1B to control the temperatures thereof, in order to prevent the occurrence of a defect such as deformation or cracks in a formed article due to a temperature difference between the split molds 11 and 12, the mold cooling device X is configured to include: cooling mechanisms 3R and 3L provided to the respective split molds, the cooling mechanisms each individually applying cooling air to each of the split molds 11 and 12 of the molds 1A and 1B; valve mechanisms 30R and 30L for individually opening and closing each of paths for introducing cooling air to the respective cooling mechanisms 3R and 3L; temperature detection means for detecting the temperature of at least one of the split molds; and a temperature control device 9 for generating and outputting control signals for controlling the opening and closing operations of the respective valve mechanisms 30R and 30L on the basis of the detected temperature value by the temperature detection means.

主权项

1. A glass product forming machine comprising:
a mold including at least two pairs of split molds; and a mold cooling device that controls a temperature of the mold, the mold cooling device including: cooling mechanisms disposed at one side of split molds in all pairs of the split molds and the other side of split molds in all pairs of the split molds, or at one split mold in each pair of the split molds and the other split mold in each pair of the split molds, each of the cooling mechanisms individually applying cooling air to each of the respective split molds; valve mechanisms that individually open and close paths that introduce cooling air to the respective cooling mechanisms; a temperature detection device provided in one split mold in one or each pair of the split molds to cool each pair of the split molds by detecting a temperature value of the one split mold; and a temperature control device that generates and outputs control signals that control opening and closing operations of the respective valve mechanisms, wherein the temperature control device generates a first control signal for opening and closing one of the valve mechanisms on the basis of the temperature value of the one split mold detected by the temperature detection device so as to set a first cooling time for the one split mold, and generates, as a second control signal for opening and closing the other valve mechanism, a signal having a cooling timing difference from the first control signal corresponding to a predetermined offset value so as to set a second cooling time for the other split mold, and the temperature control device outputs the first and second control signals to corresponding valve mechanisms so as to control opening and closing of the respective valve mechanisms, so that the one split mold is cooled for the first cooling time while the other split mold is cooled for the second cooling time.