Die Cavity Air-Cleaning Attachment for Continuous Stamping
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Solution Overview
Problem
Debris such as metallic filings and shavings accumulate in stamping die cavities, leading to defects in workpieces and requiring manual, time-consuming cleaning, which disrupts production.
Innovation Solution
A die cavity cleaning element with air discharge openings conforming to the shape of the die cavity is mounted on a workpiece transfer structure, enabling automated pressurized airflow to remove debris.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning of the die cavity is performed, then debris is removed from the die, but production is interrupted and time is lost
Solution Approach 1:
The cleaning element performs preliminary cleaning action by removing debris from the die cavity before defective parts are produced. The air discharge openings are positioned to blow debris away from the cavity ahead of time, preventing contamination of subsequent workpieces and eliminating the need for interrupting production to clean accumulated debris
Solution Approach 2:
The cleaning system operates automatically using compressed air to clean the die cavity without requiring manual intervention. The workpiece transfer structure itself serves the dual function of transferring workpieces and delivering the cleaning element to the die cavity, making the system self-sufficient and eliminating production interruptions
2Reliability
If manual cleaning of the die cavity is performed, then debris is removed from the die, but cleaning time is excessive and labor intensive
Solution Approach 1:
The manual mechanical cleaning process is replaced with a pneumatic system. Compressed air is directed through the cleaning element to automatically remove debris from the die cavity, eliminating the need for manual labor and significantly reducing the time required for cleaning operations
Solution Approach 2:
The cleaning operation is automated and performs itself without human intervention. The system uses compressed air to automatically blow debris out of the die cavity, making the cleaning process rapid and eliminating time-consuming manual cleaning operations
3Productivity
If debris accumulates in the die cavity, then production continues uninterrupted, but defect rate increases and rework is required
Solution Approach 1:
The cleaning element performs preliminary cleaning before debris accumulation reaches levels that cause defects. By continuously or periodically removing debris during production, the system maintains part quality without interrupting production flow, preventing the need for rework or scrapping defective parts
Solution Approach 2:
The cleaning operation continues throughout production without interruption. The cleaning element can be positioned to clean the die cavity during normal production cycles, maintaining continuous removal of debris and ensuring consistent part quality while production continues uninterrupted
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
Automated cleaning effectively removes debris without interrupting production, ensuring part quality and reducing manual labor and downtime.
Implementation Method 1
The cleaning element may include a plurality of air discharge openings spaced apart along the portion of the cleaning element that is shaped to conform to the predetermined portion of the lower die cavity. The cleaning element may be structured to discharge a pressurized airflow through each air discharge opening
Data Source
AI summary
A die cavity cleaning element includes a plurality of air discharge openings spaced apart along the cleaning element. A shape of at least a portion of the cleaning element including the air discharge openings is structured to conform to a shape of a predetermined portion of a lower die cavity of a stamping die. The cleaning element is operable to direct a flow of pressurized air through each of the air discharge openings onto an associated part of the predetermined portion of a lower die cavity. Collectively, the pressurized airflows expel debris from the predetermined portion of a lower die cavity.