Parallel Linear-Axis Handling for Precise Molded Part Transfer
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Solution Overview
Problem
Existing handling systems for molded parts, particularly green compacts from powder presses, face challenges in precision and dynamic handling due to unfavorable mass ratios and large installation spaces, leading to potential damage and inefficiencies in spatially confined areas.
Innovation Solution
A handling system utilizing two independent linear axes with guide slides arranged in a Cartesian coordinate system, allowing for precise and dynamic movement in the X and Z directions, with a modular structure and adjustable guide means for optimal weight distribution and flexibility, enabling precise picking up, transporting, and setting down of molded parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If serially arranged linear axes are used for handling green compacts, then handling capability is provided, but mass inertia increases and precision deviations occur
Solution Approach 1:
The handling system is segmented into two independent linear axes (first and second linear axes) that operate separately rather than serially. Each axis has its own guide slide moving independently along parallel linear guides, eliminating the cumulative mass inertia problem of serial arrangements while maintaining full handling capability through coordinated operation of the segmented axes.
2Ease of operation
If serially arranged linear axes are used for handling green compacts, then handling capability is provided, but mass inertia increases
Solution Approach 1:
The system segments the handling function into two independent parallel axes rather than one serial chain. Each axis moves only its own guide slide mass plus the shared carriage mass, rather than accumulating the masses of multiple serial axes. This segmentation dramatically reduces the moving mass and inertia while preserving the ability to perform complex handling operations through coordinated motion of the two axes.
3Manufacturing precision
If conventional handling systems with multiple linear axes are used, then handling precision is achieved, but installation space becomes large
Solution Approach 1:
The invention transitions from a serial arrangement that consumes space along the motion path to a parallel arrangement where both axes share the same space footprint. The two linear guides are positioned parallel to each other, allowing the guide slides to move independently within a compact volume. This dimensional reorganization maintains precision through independent axis control while minimizing the installation space required.
4Object-affected harmful factors
If handling operations are performed with minimal vibration requirement, then green compact integrity is maintained, but dynamic response is reduced
Solution Approach 1:
The system employs dynamic control of the two independent linear axes to achieve optimal performance. The guide slides and carriage can be accelerated and decelerated independently, allowing the system to respond dynamically to handling requirements while maintaining smooth motion profiles that minimize vibration. The independent axes can coordinate their motion to reduce shocks and vibrations during picking, transporting, and setting operations.
Data Source
AI summary
A handling system (1) for removing molded parts from a press device, the system comprising: a control unit; a linear axis system (10) having at least one linear guide (12) and a first guide slide (14) and a second guide slide (16), which are movable independently of each other along a direction of the at least one linear guide (12), and a guide carriage (24) held displaceably on the first guide slide (14) and the second guide slide (16), which guide carriage is movable in a direction forming an angle α with the direction of the at least one linear guide (12).