Telescopic Guide Mechanism for Compact Cart Assembly
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Solution Overview
Problem
Conveying devices in packaging and capping applications require a reduction in the number of guide mechanism components to achieve compact configurations while maintaining high precision and accuracy.
Innovation Solution
A cart assembly with a telescopic guide mechanism comprising bar-shaped guide elements and sliders, allowing for precise movement of tools between operative and idle positions with a minimal number of components, utilizing magnetic field generators for independent movement along tracks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional guide mechanisms are used with multiple components, then reliability and precision are maintained, but device complexity and component count increase
Solution Approach 1:
The patent combines multiple guide mechanism components into a single integrated telescopic guide element. This single component performs the guidance function that traditionally required multiple separate parts, thereby reducing device complexity while maintaining the necessary precision for tool movement between operative and idle positions.
Solution Approach 2:
The guide mechanism is segmented into telescopic sections that can extend and retract. This segmentation allows the guide to maintain precision over varying lengths while using fewer overall components. The telescopic sections provide the necessary guidance functionality through their relative movement, eliminating the need for additional guide components.
2Device complexity
If the number of guide mechanism components is reduced, then device complexity decreases and compactness improves, but manufacturing precision may be compromised
Solution Approach 1:
The guide mechanism employs dynamic telescopic sections that can extend and retract to accommodate different positioning requirements. This dynamic capability allows a single reduced-component mechanism to achieve the same positioning accuracy as traditional multi-component guides, as the telescopic sections can adjust their relative positions to maintain precision throughout the tool's range of motion.
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 solution enables compact, lightweight, and precise operation of cart assemblies with reduced component count, enhancing the formation and sealing of pourable food packs while maintaining high accuracy and efficiency.
Implementation Method 1
linear motors are typically used: in this case, the track is equipped with a plurality of electric coils, which, in a well-known manner, independently control the movement of each cart assembly, the latter being provided with corresponding permanent magnets
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
There is described a cart assembly (1) for a conveying device comprising a body element (3), movable along a conveying path (P), and at least one tool (5; 6) carried by the body element (3) in a movable manner between an operative position, in which the tool (5; 6) is designed to perform an operation on a given article (T), and an idle position, in which the tool (5; 6) is in a stand-by condition; the cart assembly (1) further comprises a guide mechanism (10, 13; 33) configured to allow the movement of the tool (5; 6) with respect to the body element (3); the guide mechanism (10, 13; 33) comprises two first guide elements (12, 22; 34), extending parallel to a given direction (A), and one second guide element (13, 23; 35), also extending parallel to the direction (A) and interposed between the first guide elements (12, 22; 34); the first guide elements (12, 22; 34) and the second guide element (13, 23; 35) are slidably coupled so as to permit a relative movement along the direction (A) of the second guide element (13, 23; 35) with respect to the first guide elements (12, 22; 34) or vice versa; the second guide element (13, 23; 35) has opposite lateral surfaces extending parallel to the direction (A) cooperating in contact with both respective first guide elements (12, 22; 34).