Rotary Tablet Press Suspension Device for Turret Support
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Solution Overview
Problem
Existing rotary tablet press systems face challenges in efficiently changing over between different materials, tablet sizes, or production configurations due to the need to remove and reposition the turret and auxiliary components, which increases change-over time and complicates cleanability and accuracy of component positioning.
Innovation Solution
A rotary tablet press with a support assembly that includes a suspension device positioned above the top punch guide of the turret, featuring a carrier plate and connection elements to non-rotating parts of the turret, allowing auxiliary components to be suspended and accurately positioned relative to the turret.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the turret and auxiliary components are removed for change-over, then cleanability and component replacement are improved, but change-over time and operational complexity increase
Solution Approach 1:
The press is divided into a stationary housing and a removable turret assembly. The turret can be quickly detached as a single unit, allowing rapid change-over without removing the entire press or individual auxiliary components separately. This segmentation enables the turret to be pre-assembled with all necessary components, reducing on-site adjustment time.
Solution Approach 2:
The turret is pre-configured with all auxiliary components (feeders, scrapers, compression rolls) assembled and positioned correctly before installation in the press. This preliminary assembly ensures that when the turret is installed, no time-consuming on-site adjustments are needed, significantly reducing change-over time while maintaining cleanability.
2Ease of operation
If auxiliary components are removed before turret removal, then component accessibility is improved, but change-over procedure complexity and time increase
Solution Approach 1:
The turret is designed as an integrated assembly where the die plate, punches, feeders, scrapers, and compression rolls are combined into a single removable unit. This merging eliminates the need to disassemble and remove individual auxiliary components separately, simplifying the change-over procedure to a single turret removal action while maintaining full accessibility to all components during operation.
3Ease of manufacture
If the turret is removed, then cleaning access is improved, but repositioning accuracy and setup time worsen
Solution Approach 1:
The turret assembly includes self-aligning features such as tapered mounting surfaces and locating pins that automatically ensure precise positioning when the turret is reinstalled. The design allows the turret to self-adjust to the correct position without requiring complex measurement and adjustment procedures, maintaining manufacturing precision while enabling easy removal and reinstallation for cleaning access.
Data Source
Figure 1
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AI summary
In the rotary tablet press (1) having a turret (10), a support assembly comprises a suspension device (60) positioned above a top punch guide of the turret (10), as seen in the axial direction. The suspension device (60) comprises a carrier plate (65) and at least one connection element (61, 62) connecting the carrier plate (65) to at least one non-rotating part of the turret (10). The support assembly is used for suspending a number of auxiliary components (12) from the carrier plate (65). An enclosure (70) may be connected to the suspension device (60) to surround one or more of the elements of the turret (10).