Coin Blank Transport Pockets for Precision Alignment and Expansion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing transport devices for coin blanks lack precise alignment and orientation, particularly for non-circular blanks, which complicates the insertion of components like cores into rings and affects the efficiency of the minting process.
Innovation Solution
A transport device with a first and second transport part, each having transport pockets with specific clearances allowing for precise positioning and movement of blanks, enabling precise alignment and orientation of blanks before embossing, and accommodating the expansion of minted coins through synchronized drives and preparation stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the clearance between the blank and transport pocket is small, then positioning precision is improved, but the blank cannot accommodate expansion after minting
Solution Approach 1:
The transport device is divided into two separate transport parts: a first transport part with small clearance for precise positioning during pre-processing, and a second transport part with large clearance for accommodating expanded minted coins. This segmentation allows each transport part to be optimized for its specific function without compromise.
Solution Approach 2:
The transport pockets are designed with different clearance characteristics dynamically matched to different stages of the minting process. The first transport pockets have fixed small clearance for precision work, while the second transport pockets have fixed large clearance for post-minting handling, creating a dynamic adaptation to process requirements.
2Manufacturing precision
If the transport pocket is tightly fitted to the blank, then positioning accuracy is improved, but the device complexity increases for handling different blank sizes
Solution Approach 1:
Different regions of the transport system have different pocket design qualities: the first transport part has tightly fitted pockets for high-precision alignment during pre-processing, while the second transport part has loosely fitted pockets for accommodating varied coin sizes after minting. Each region's pocket design is locally optimized for its specific functional requirements.
3Ease of operation
If the clearance between blank and transport pocket is large, then ease of insertion is improved, but positioning precision deteriorates
Solution Approach 1:
The transport system is segmented into two stages: the first transport part provides tight-fitting pockets that guide blanks into precise positions during insertion and pre-processing, while the second transport part provides loose-fitting pockets that easily accommodate already-positioned minted coins. The segmentation ensures that precision positioning and ease of insertion occur at appropriate process stages.
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a transport device (15) and a method for producing a coin using the transport device (15). The transport device (15) is used to transport round blanks to a printing station (17). For this purpose, a drivable first transport part (19) with multiple first transport pockets (20) is provided. A first clearance is provided between the outer contour of the round blank and the inner contour of the first transport pocket (20). The transport device (15) additionally has a second transport part (26) with multiple second transport pockets (27). A second clearance S2 is provided between the outer contour of the round blank and the inner contour of the second transport pocket (27), and the second clearance S2 is larger than the first clearance S1. The round blanks are transferred from a respective first transport pocket (20) into a second transport pocket (27) at a transfer point (34). The round blanks are transported to the printing station (17) in the second transport pocket (27), and a coin is printed from the round blank at the printing station.