Mold temperature control system

Abstract

Provided is a mold temperature control system capable of reliably performing temperature management even in a large mold having a large number of systems. This mold temperature control system (1) controls the temperature of a mold (3) of a die casting machine (2), and is provided with: a temperature sensor (6) that detects the temperature of each part of the mold (3); a flow rate controller (17) for controlling the instantaneous flow rate of the cooling water at each part of the cooling mold (3); and a control device (7) that acquires the mold temperature detected by the temperature sensor (6), calculates the deviation between the target mold temperature and the current mold temperature for each production cycle, converts the deviation into a flow rate value, and transmits the flow rate value to the flow rate controller (17). And the mold temperature control system (1) is formed so as to vary the flow rate of the cooling water controlled at a certain flow rate within one injection during production.

Description

technical field [0001] The present invention relates to a mold temperature control system for controlling the temperature of a mold of a die casting machine. Background technique [0002] In a die-casting machine for casting aluminum die-casting products, regarding the mold, since molten aluminum enters the center of the mold at every injection, temperature control based on cooling is important. In particular, when the size of the mold becomes larger, unevenness in temperature tends to occur at each location. To eliminate this unevenness in temperature, it is necessary to use an appropriate amount of cooling water at an appropriate location to dissipate heat, and it is necessary to change cooling for each location. water volume. However, since a large mold has many parts, the management method is complicated, and it is difficult to manage it by a conventional method. [0003] If you look at the literature on the management method in the past, there are, for example, the mo...

AI Technical Summary

Problems solved by technology

In addition, since the size of the mold is as large as 2 to 3 m square, it is not possible to determine which position the temperature should be targeted for control for each system.

Furthermore, if each position of the 120 systems is individually controlled so that the mold temperature of each system becomes constant, there is a problem that the temperature cannot be controlled as expected due to mutual interference with adjacent systems. Controlled as expected, unable to manage temperature as desired

Images