Metal Sheet Guide Structure for Stable Cup Chain Blanking
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Solution Overview
Problem
The existing manufacturing apparatuses for cup chains face instability and accuracy issues due to curvature or warping of metal sheet materials during feeding, which hinders continuous operation and affects the blanking process.
Innovation Solution
A manufacturing apparatus with a guide unit that includes a thickness restricting portion with a slope portion to correct curvature and a flat portion to maintain clearance, ensuring stable feeding of metal sheet materials into a die set, and a material feeding unit with pads to prevent warping, combined with a width restricting portion for precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the metal sheet material is fed from the material magazine to the die set at predetermined timings, then the cup chain manufacturing process can proceed automatically, but the metal sheet material cannot be stably fed if it is curved or warped
Solution Approach 1:
The guide unit with the thickness restricting portion is installed upstream in the feeding path to preliminarily flatten and correct the metal sheet material before it reaches the die set. This preliminary action prevents curved or warped materials from causing feeding instability, allowing automatic manufacturing to proceed reliably.
2Productivity
If the metal sheet material is fed continuously from the material magazine, then production efficiency is improved, but accuracy of the blanking is deteriorated due to curvature or warping
Solution Approach 1:
The guide unit acts as an intermediary component between the material magazine and the die set. It mediates the feeding process by flattening the metal sheet material through the thickness restricting portion, ensuring that even during continuous operation, the material maintains proper flatness for accurate blanking.
3Speed
If the metal sheet material is fed at high speed from the material magazine, then production efficiency increases, but the metal sheet material cannot be stably fed if it is curved or warped
Solution Approach 1:
The thickness restricting portion performs preliminary flattening action on the metal sheet material before it enters the high-speed feeding phase. This ensures that even at high feeding speeds, the material is properly flattened and can be fed stably without curvature or warping issues.
Data Source
AI summary
A manufacturing apparatus for an accessory, including: a magazine holding unit in which a material magazine that holds a metal sheet material in a roll shape is arranged; a material feeding unit that repeats conveyance in which the metal sheet material is fed forward from the material magazine, and stop of the conveyance; a die-set unit that includes a die set which blanks the metal sheet material conveyed from the material feeding unit into a predetermined shape; a machining unit that bends a metal component formed by the blanking in the die-set unit; and a guide unit that is provided between the material feeding unit and the die-set unit, and that flattens and feeds the metal sheet material conveyed from the material feeding unit to the die-set unit, the guide unit including restricting the metal sheet material in a width direction of the metal sheet material.