Four-Die Press Tool Ring-Mounted Workpiece Protector
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Four-die forging units face challenges in ensuring a reliable repair-free service life due to the complexity of synchronizing independent die drives, leading to potential workpiece damage and costly repairs from accidental misalignment or operator errors.
Innovation Solution
A four-die press tool with a ring-mounted protecting mechanism that secures the workpiece's central position relative to the press axis, acting as a drop protector to prevent accidental movement and damage, allowing for enhanced operational reliability and reduced maintenance needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If four independent die drives are used to enable radial movement of respective dies, then forging capability is improved, but synchronization complexity increases significantly
Solution Approach 1:
The patent combines four independent die drives into a single integrated mechanism where one drive mechanism simultaneously controls all four dies. This merging approach maintains the versatility of radial die movement while eliminating the synchronization complexity that would arise from coordinating four separate independent drives.
Solution Approach 2:
The single drive mechanism is designed to perform multiple functions by simultaneously actuating all four dies. This universal mechanism achieves the same forging capability as four independent drives would provide, while reducing the overall system complexity through functional integration.
2Manufacturing precision
If four dies are synchronized to contact the workpiece simultaneously, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The patent merges the control of four dies into a single drive mechanism, ensuring simultaneous contact with the workpiece through unified actuation. This approach achieves the manufacturing precision required for synchronized contact without the complexity of coordinating four separate control systems.
Solution Approach 2:
The single drive mechanism inherently ensures synchronized contact of all four dies with the workpiece through its integrated design. The mechanism self-regulates to maintain simultaneous contact without requiring additional control systems or synchronization mechanisms, thereby achieving precision without increased complexity.
3Reliability
If protecting means are mounted on the ring to secure workpiece position, then reliability is improved, but device complexity increases
Solution Approach 1:
The protecting means are mounted on the ring in advance to secure the workpiece in its predetermined central position before the forging operation begins. This preliminary positioning action ensures reliability by preventing workpiece displacement during operation, while the integration with the existing ring structure minimizes the added complexity.
Solution Approach 2:
The protecting means act as an intermediary between the workpiece and the press tool, securing the workpiece position relative to the central press axis. This intermediary mechanism improves reliability by preventing direct contact between the workpiece and moving functional parts, while the design integrates smoothly with the existing ring structure to limit complexity increases.
Data Source
AI summary
The invention relates to a four-die press tool (1), comprising a lower die assembly (4) and an upper die assembly (6) displaceable relative thereto, comprising four rams (10, 11, 12, 13) spaced apart and supported on the lower die assembly (4) or the upper die assembly (6) and carrying forging dies (29), and a ring (20) on which are mounted the four rams (10, 11, 12, 13) concentrically around the central press axis (28) of the four-die press tool (1) in such a way that they can be displaced relative to the central press axis (28) whenever the upper die assembly (6) is moved relative to the lower die assembly (4), wherein protecting means (35) are mounted on the ring (20) to secure a workpiece in a centered position on a central predetermined position of the workpiece relative to the central press axis (28) independently of a workpiece manipulator.