Stripping Device Positioning for Rotary Press Compacts
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Solution Overview
Problem
Existing rotary press stripping devices face challenges in reliably positioning stripping elements for different compact sizes, leading to potential damage or breakage of compacts during the stripping process, and this is often addressed at a significant cost by providing multiple stripping elements and channel sections.
Innovation Solution
The stripping device features slidably mounted mechanical positioning means that can be inserted into the housing to predetermine the position of the stripping element and channel sections, eliminating the need for manual alignment and reducing costs by allowing a single set of components to be used for various compact formats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual positioning of stripping elements is used, then the device complexity is reduced, but the positioning precision deteriorates leading to compact damage
Solution Approach 1:
The stripping element and channel section are made dynamically adjustable through slidable mounting on the housing. Mechanical positioning means with indexing features enable the components to be positioned at different predetermined locations along the sliding path, allowing adaptation to various compact sizes while maintaining precise positioning without complex mechanisms
Solution Approach 2:
The positioning system is segmented into discrete predetermined positions defined by mechanical positioning means with indexing features. The stripping element and channel section can be independently positioned at specific locations, allowing precise adjustment for different compact formats while keeping the overall device structure simple
2Adaptability or versatility
If multiple stripping elements are provided for different compact formats, then the adaptability improves, but the device complexity and cost increase
Solution Approach 1:
A single stripping element and channel section are designed to perform multiple functions by being positionable at different predetermined locations along the housing. The slidable mounting with mechanical positioning means allows one component to replace multiple specialized components, achieving adaptability to various compact formats while reducing device complexity and cost
Solution Approach 2:
The stripping device transitions from a static configuration requiring multiple elements to a dynamic configuration where a single element can be repositioned. The slidable mounting with indexing features enables one stripping element to serve multiple compact formats by adjusting its position, eliminating the need for multiple dedicated elements
3Ease of operation
If manual positioning is used, then the ease of operation improves, but the reliability of correct positioning deteriorates
Solution Approach 1:
The system combines ease of manual operation with reliable positioning through slidable mounting and mechanical indexing. The operator can easily slide the stripping element to different positions, while the indexing features with predetermined locations ensure reliable and repeatable positioning, eliminating the uncertainty of purely manual alignment
Solution Approach 2:
Mechanical positioning means with indexing features act as an intermediary between the operator's manual positioning action and the final strip element location. The indexing mechanism mediates the positioning process, providing both ease of operation through simple sliding and reliability through predetermined, precisely defined positions
Data Source
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AI summary
The invention relates to a stripping device (42) for stripping compacts (44) from a die (10) of a rotary press, comprising a housing (50), a stripping element (52) arranged on the housing (50) and positionable above the die (10) for stripping compacts (44) produced in the rotary press from the die (10), and a first channel section (56) arranged on the housing (50) for removing compacts (44) stripped from the die (10), wherein the stripping element (52) and the first channel section (56) are slidably mounted on the housing (50), and wherein the stripping device (42) comprises a plurality of mechanical positioning means – such as positioning pins (84, 84', 86, 86') – which can be inserted into the housing (50) in an alternative manner, and which, in the state inserted into the housing, each interact in this way with the scraper element (52) and the first channel section (56),that the scraper element (52) and the first channel section (56) are arranged on the housing (50) in a position predetermined by the respective mechanical positioning means, wherein the predetermined position for the scraper element (52) and/or the first channel section (56) differs for different mechanical positioning means. The invention also relates to a rotary press.