Electric control device for online automatically controlling forging die temperature and control method thereof

Abstract

An electric control device for online automatically controlling forging die temperature comprises a PLC, an operation panel, a human-machine interface, a state indicating unit, a pneumatic electric control unit, an interlocking control unit, an analog signal unit, a liquid level detection unit, a position detection unit, an operation unit and an emergency stop switch. The operation panel is mounted on a forging press. The human-machine interface, the state indicating unit, the pneumatic electric control unit, the interlocking control unit, the analog signal unit, the liquid level detection unit, the position detection unit, the operation unit and the emergency stop switch are connected with the PLC separately. The control method of the device comprises setting a forging die temperature useable range according to a forging process requirement, online automatically monitoring a forging die forging temperature change, processing and determining acquired temperature, and adjusting a cooling system for forging the forging die according to a result so as to achieve automatic control of the forging die temperature during a production process, reduce the cracking risk of the forging die, reduce the die change frequency, and improve production efficiency.

Description

technical field [0001] The invention belongs to the technical field of forging, and relates to an electric control device for automatically controlling the temperature of a forging die on-line and a control method thereof. Background technique [0002] As we all know, in the field of forging, especially in the field of hot forging forming technology, how to improve the life of forging dies is one of the most critical links in the entire production system. In the forging process, especially in the forging automatic production process, if the forging die fails prematurely, it will lead to a sharp increase in the downtime of the production line, a decrease in production efficiency, an increase in the cost of the forging die, and a decrease in the dimensional accuracy and quality stability of the forging. . The overall cost of forgings has risen, which in turn affects the market competitiveness of enterprises. [0003] The key factors affecting the life of the forging die are ...

AI Technical Summary

Problems solved by technology

However, the main problems in this way are: 1. The forging die does not have a temperature measuring device, so the temperature change cannot be monitored in a timely manner, and the temperature of the forging die cannot be accurately controlled; 2. The lubrication process of the forging die is manually operated, and the lubricant The control of the spray flow depends on the experience of the on-site operator for manual adjustment, which cannot achieve repeatability and reproducibility, and the production efficiency is low, and improper protection will cause personal safety hazards; 3. The spray volume and spray time cannot be accurately controlled. When the amount of lubricant and spray is too much, it will cause liquid accumulation in the forging mold cavity, and water vapor will accumulate at the root of the cavity during the forging process, resulting in the inability of the blank to fill the forging mold during the forming process, thereby affecting the quality of the forging; the amount of spraying Too little, the temperature of the forging die cannot be cooled in time, which will lead to early failure of the forging die due to excessive temperature, and affect the service life of the forging die

[0006] Therefore, the existing lubrication methods and control methods are difficult to achieve the purpose of forging die lubrication and cooling

Images