Spindle Nut Axial Drive for Rotary Closure Device Format Change
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing closure devices require complex and time-consuming format changes, involving the removal and replacement of cams, leading to production inefficiencies and space constraints, especially in rotary carousel systems, necessitating a more versatile and compact solution for processing elements.
Innovation Solution
A device with a processing element mounted on a shaft, capable of axial movement and coordinated rotation, utilizing a spindle nut with a spiral profile and brushless drives for efficient screwing and positioning, eliminating the need for conventional cams and enabling modular operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional cams are used to control the processing element, then the processing function is achieved, but format changes require removing and replacing cams, causing production time losses
Solution Approach 1:
The patent replaces static cams with dynamic control mechanisms (spindle nut with spiral profile and coordinated drive means) that allow continuous adjustment of the processing element's axial position and rotation. This enables format changes without removing components, as the system can dynamically adapt to different processing requirements through coordinated movement of the drive means.
Solution Approach 2:
The patent substitutes the traditional cam mechanism with a spindle nut and spiral profile system driven by coordinated drive means. This replacement eliminates the need for cam removal and replacement, allowing format changes through mechanical adjustment of the spindle nut position and rotation characteristics, thereby reducing production time losses.
2Productivity
If a rotary carousel system is used, then multiple containers can be processed, but the device requires significant space and is difficult to reconfigure
Solution Approach 1:
The patent creates a universal processing element system where the same spindle nut and coordinated drive means can handle different container formats and processing requirements. The processing element can be repositioned axially and rotated to accommodate various container sizes and closure types, eliminating the need for separate dedicated mechanisms for different functions and reducing overall device complexity.
Solution Approach 2:
The patent introduces dynamic repositioning capability to the processing element through the spindle nut and coordinated drive means, allowing the system to adapt to different container configurations without physical reconfiguration. This dynamic adjustment enables the same physical structure to serve multiple functions, reducing the need for extensive space-consuming fixed structures.
3Device complexity
If the processing element is fixed, then the structure is simple, but it cannot perform both axial movement and rotation independently
Solution Approach 1:
The patent transforms the fixed processing element into a dynamically controllable component through the spindle nut with spiral profile and coordinated drive means. This allows the processing element to perform axial movement and rotation independently and coordinate these movements precisely, enabling complex processing motions while maintaining relatively simple structural components that work together through coordinated control.
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
This solution allows for efficient, versatile, and compact operation of closure devices, reducing production downtime and enabling precise control of axial force and torque, enhancing processing efficiency and adaptability without the need for manual cam changes.
Implementation Method 1
a grooved profile that is formed on the exterior surface of the carrier shaft... the axial pressure, which permits the screwing of the closure on the thread of the container, is exerted by the weight of the closure unit
Data Source
AI summary
The device for processing a product has an element for processing the product and in particular the form of a device that is suitable for connecting a closure element to a container. The device contains means for receiving the product, means for advancing the product, and means for advancing the processing element that is supported on a corresponding shaft. The device contains means that are suitable for moving the carrier shaft of the processing element in the axial direction and means that are suitable for driving the processing element so that the processing element performs a processing rotation, said means acting on the carrier shaft of the processing element in such a way that the means are coordinated with each other.