Rotary Plastic Forming Machine With Continuous Heated Forging
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Solution Overview
Problem
Conventional plastic forming machines require multiple molds and auxiliary apparatuses for producing symmetrical or non-symmetrical forging components, leading to high costs and low geometric precision, and cannot apply heat during the process.
Innovation Solution
A rotational plastic forming machine that applies continuous hydraulic force from two directions to a heated raw material rotating on a shaft, allowing for symmetrical or non-symmetrical forging without additional apparatuses or operations, using a system of fixed and movable poles, linear movement systems, pressing rods, and actuators to distribute force evenly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional plastic forming machines use molds and auxiliary apparatuses to produce symmetrical or non-symmetrical forging components, then the desired geometry can be obtained, but the total cost increases and geometric precision is low
Solution Approach 1:
The rotary forging machine integrates multiple functions into a single device: the rotating workpiece holder enables both symmetrical and non-symmetrical forging operations, the hydraulic pressing mechanism provides continuous force application, and the heated die serves multiple pressing positions. This eliminates the need for multiple separate molds and auxiliary apparatuses while maintaining geometric precision through controlled continuous deformation.
Solution Approach 2:
The invention employs dynamic continuous pressing force applied during rotation rather than static momentary force. The hydraulic system provides continuous variable force during the rotation cycle, allowing precise control of material flow and deformation. This dynamic approach enables complex geometries to be formed in a single operation with high precision, eliminating the need for multiple sequential operations with different molds.
2Manufacturing precision
If momentary force is applied to give desired form to raw material, then the forming process is quick, but the force must be controlled momentarily and geometric precision is low
Solution Approach 1:
The hydraulic pressing mechanism applies continuous force to the rotating workpiece throughout the forming cycle, rather than momentary impulse forces. This continuous action allows the material to deform smoothly and progressively, achieving high geometric precision while maintaining production efficiency. The continuous force application eliminates the need for multiple corrective operations, thereby preserving productivity.
3Ease of manufacture
If conventional forging processes are used without heat application, then the process is simpler, but plastic forming is difficult and multiple auxiliary apparatuses are required
Solution Approach 1:
The invention incorporates heating of the die or workpiece to change the thermal parameter of the material during forming. This thermal parameter change reduces material flow stress and increases plasticity, enabling complex geometries to be formed more easily in a single operation. The heated die approach maintains process simplicity while dramatically improving plastic forming capability and geometric precision, eliminating the need for multiple auxiliary apparatuses.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the production of symmetrical and non-symmetrical components in a single process, reducing costs and improving geometric precision by applying continuous hydraulic pressure without the need for molds or auxiliary equipment, while allowing for temperature control of the raw material.
Implementation Method 1
applying continuous hydraulic force from two directions to a heated raw material rotating on a shaft
Implementation Method 2
continuous plastic shape changing by applying hydraulic force
Implementation Method 3
heated in hot working
Data Source
AI summary
A plastic forming machine including a fixed pole; a movable pole; a shaft for fixing a raw material; an electric motor for rotating the shaft; a linear movement system enabling the movement of the movable pole; a first pressing rod positioned on lower surface of the movable pole, includes a first arm extending parallel to the movable pole, a second arm extending vertical to the first arm, and a third arm, having a first end and second end, connected to the first arm from its second end; a second pressing rod having a first and a second end, is connected slidingly to the first arm from its first end; at least one actuator connected to the first arm; a contact end connected to the second ends of the second pressing rod and the third arm; at least one control system for controlling the linear movement mechanism and the actuator.