Internal Shaft Support for Carousel Capping Machine Cam
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Solution Overview
Problem
Conventional carousel-type capping machines are expensive due to the use of structural steel and stainless steel columns, and the pneumatic clutch complicates design and operation, making integration with other carousels difficult and prone to jamming during height adjustments.
Innovation Solution
A capping machine design that eliminates the need for external columns by using a supporting element housed internally within the rotating shaft, featuring a telescopic mechanism for height adjustment and a cam positioned selectively, allowing for easy integration with other carousel units and reducing material costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external columns are used to support the cylindrical cam, then the cam can be kept in a predetermined position, but the machine becomes expensive and complex
Solution Approach 1:
The supporting element is nested inside the rotating shaft, with the cylindrical cam positioned on the supporting element. This internal nesting eliminates the need for external columns while maintaining cam position stability, directly resolving the contradiction between reliability and device complexity
Solution Approach 2:
The support structure transitions from an external vertical arrangement to an internal radial arrangement within the shaft. The supporting element extends radially inward from the shaft outer surface, creating a compact internal support system that eliminates external columns
2Adaptability or versatility
If pneumatic clutch is used for height adjustment, then the capping units can be adjusted vertically, but the design becomes complicated and prone to jamming
Solution Approach 1:
The pneumatic clutch is completely removed from the adjustment mechanism. The telescopic mechanism uses pure mechanical components (telescopic tube, piston, spring) to achieve height adjustment, eliminating the complicated pneumatic system while maintaining adaptability
Solution Approach 2:
The spring-loaded telescopic mechanism automatically adjusts and maintains the vertical position of the cylindrical cam and capping units. The spring provides continuous force to extend or retract the telescopic tube, creating a self-regulating adjustment system without complex control mechanisms
3Reliability
If external columns are used to support the cam, then the cam remains stationary, but integration with other carousels becomes difficult
Solution Approach 1:
The supporting element is integrated inside the rotating shaft, making the entire assembly more compact and easier to integrate with other carousel units. The nested configuration eliminates protruding external columns that would interfere with integration
Solution Approach 2:
The supporting element merges the functions of structural support and cam positioning into a single integrated component within the shaft. This consolidation simplifies the overall structure and facilitates easier integration with other carousel units in the production line
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
The design reduces construction and operational costs, simplifies integration with other carousel units, and prevents jamming during size or style changes, ensuring smooth operation and reduced downtime.
Implementation Method 1
Translational movement of the capping units toward and away from the base frame is induced by a cylindrical cam 5 coaxially ensheathing the shaft 2
Implementation Method 2
The machine comprises a telescopic mechanism for adjusting a vertical distance between the cylindrical cam and the base frame
Data Source
AI summary
A capping machine (1) of carousel design comprises a centre shaft (2) turning on a fixed base frame (3) about a vertical axis of rotation (Y), a set of capping units (4) encircling and revolving as one with the shaft (2) about the axis of rotation (Y), and a cylindrical cam (5) interposed between the shaft (2) and the capping units (4), by which the single units (4) are caused to move toward and away from the fixed base frame (3). During operation, the cam (5) is held in at least one predetermined fixed position relative to the base frame (3) by a single supporting element (6) anchored to the base frame (3), concealed internally of the rotating shaft (2) and connected to the cam (5), which represents a departure from the conventional method of supporting the cam on two or more columns located externally of the carousel structure and exposed to view.