Reciprocating Extrusion Pressure Control With Autonomous Mold Leveling
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Solution Overview
Problem
Existing biodegradable zinc alloy extrusion technologies face limitations such as confined operation space, complex mold structures, low integration with control systems, and lack of real-time monitoring and human-computer interaction, making them unsuitable for large-scale industrial production and precise control.
Innovation Solution
An intelligent numerically-controlled pressure system with a displacement control unit, autonomous-leveling mechanism, and temperature-displacement sensing and control unit, integrated with a PC for real-time monitoring and data processing, enabling precise mold positioning, temperature control, and versatile operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional extrusion equipment is used, then the structure is simple and easy to manufacture, but the operation space is confined and mold clamping is difficult
Solution Approach 1:
The equipment is divided into independent functional modules: mold clamping mechanism, temperature control system, displacement control unit, and sensing system. Each module can be adjusted and operated independently, making mold clamping easier while maintaining manageable overall complexity
Solution Approach 2:
The press head assembly is designed with multi-functional capabilities, integrating mold clamping, temperature control, and displacement control functions into a single versatile unit that can accommodate different mold types and extrusion parameters
2Extent of automation
If traditional extrusion equipment is used, then the device structure is simple, but the integration level with control system is low
Solution Approach 1:
The control system is merged with the physical extrusion mechanism through integrated sensors and control units. The displacement control unit and temperature control system are directly coupled with the press head, enabling coordinated automated operation while maintaining a unified system architecture
Solution Approach 2:
Sensors are installed to provide real-time feedback on displacement, temperature, and pressure parameters. This feedback loop enables the control system to automatically adjust operating parameters, achieving high integration and automation levels
3Measurement precision
If traditional extrusion equipment is used, then the equipment requirements are not high, but real-time monitoring and control cannot be achieved
Solution Approach 1:
Traditional mechanical measurement methods are replaced with electronic sensing systems. Displacement sensors, temperature sensors, and pressure sensors provide precise real-time measurements, replacing manual or mechanical gauges with automated electronic monitoring
4Manufacturing precision
If complex mold structure is used, then the extrusion control precision can be improved, but the mold clamping and adjustment becomes more difficult
Solution Approach 1:
Molds are pre-adjusted and pre-positioned using the displacement control system before the extrusion process begins. The autonomous leveling mechanism performs preliminary leveling adjustments, ensuring molds are correctly positioned and reducing on-site adjustment complexity
Data Source
AI summary
An intelligent numerically-controlled pressure system for reciprocating extrusion, including a mold clamping and temperature control unit, a displacement control unit, a base, a personal computer (PC), and a temperature-displacement sensing and control unit. The temperature-displacement-sensing and control unit is oriented toward a mold. The PC is communicatively connected to the mold clamping and temperature control unit, the displacement control unit, a mold control platform and the temperature-displacement sensing and control unit. An autonomous leveling mechanism is provided in the mold control platform, and is communicatively connected to the displacement control unit. A method of operating such pressure system is also provided.