Linear-Motor Cap Applicator Rail for Precise Low-Maintenance Capping
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Solution Overview
Problem
Existing cap applicator systems for pourable products are cumbersome, complex, and costly, with high component counts, limited flexibility, and high maintenance needs.
Innovation Solution
A cap applicator system with a single closed-loop rail and 'power on board' configuration, using a linear motor and electrically-powerable components, including a gripping unit and actuator, powered by a separate energizing track for precise cap positioning and application without additional tracks or lever mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional cap applicator systems with multiple tracks and lever mechanisms are used, then cap application function is achieved, but device complexity increases and maintenance difficulty increases
Solution Approach 1:
The patent removes the complex lever mechanisms and multiple track systems from traditional cap applicator designs. By extracting these unnecessary intermediate mechanical components and replacing them with a direct linear motor-driven cart system on a single closed-loop rail, the device complexity is significantly reduced while maintaining the cap application function.
Solution Approach 2:
The patent replaces traditional mechanical lever mechanisms and multi-track systems with an electrically-powered linear motor system. The linear motor directly drives the cart along a single closed-loop rail, eliminating the need for complex mechanical linkages, reducing component count, and simplifying maintenance requirements.
2Reliability
If traditional mechanical linkages and multiple tracks are used, then cap positioning is achieved, but reliability decreases due to more moving parts
Solution Approach 1:
The patent replaces mechanical linkages and multiple track systems with an electrically-powered linear motor system. The linear motor directly drives the cart along a single closed-loop rail, eliminating the need for complex mechanical linkages, reducing component count, and simplifying maintenance requirements.
Solution Approach 2:
The single closed-loop rail system with linear motor provides multiple functions: it supports the cart, guides its movement, and provides the driving force. This multi-functional design eliminates the need for separate mechanical linkages and multiple tracks, thereby improving reliability by reducing the number of moving parts.
3Adaptability or versatility
If fixed configuration cap applicators are used, then manufacturing cost is reduced, but adaptability to different package and cap formats decreases
Solution Approach 1:
The patent implements a dynamic, reconfigurable cart system that can be easily adjusted to accommodate different package and cap formats. The cart's electrical powering and control system allows for flexible positioning and adaptation to various formats without requiring complex mechanical reconfiguration, thus improving adaptability while keeping the overall system configuration manageable.
4Manufacturing precision
If multiple tracks and lever mechanisms are used, then cap application precision is achieved, but maintenance cost increases
Solution Approach 1:
The patent removes the complex lever mechanisms and multiple track systems from traditional cap applicator designs. By extracting these unnecessary intermediate mechanical components and replacing them with a direct linear motor-driven cart system on a single closed-loop rail, the device complexity is significantly reduced while maintaining the cap application function.
Solution Approach 2:
The patent replaces traditional mechanical lever mechanisms and multi-track systems with an electrically-powered linear motor system. The linear motor directly drives the cart along a single closed-loop rail, eliminating the need for complex mechanical linkages, reducing component count, and simplifying maintenance requirements.
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
Reduces component count, enhances reliability, simplifies maintenance, and increases flexibility in handling different package and cap formats, while maintaining low costs and wear.
Implementation Method 1
a linear motor configured to selectively and independently move the cart members along the endless track
Implementation Method 2
each cart member comprising an electrically-powerable component and a receiver configured for receiving electrical energy and powering the component
Data Source
Figure 1
Figure 2~3
AI summary
There is described a cap applicator system (1) for applying caps (2) onto packages (3) containing a pourable product and comprising: an endless track (4) extending through a cap receiving station (R) and a cap application station (A); a plurality of cart members (5) movably coupled with the endless track (4), each cart member (5) having at least one electrically-powerable component (10) and a receiver (11) configured for receiving electrical energy and powering the component (10); a linear motor configured to move the cart members (5) along the endless track (4) selectively and independently from one another, each cart member (5) being configured to cyclically receive one respective cap (2) at the receiving station (R), to retain and convey such cap (2) along the endless track (2), and to apply such cap (2) onto one respective package (3) at the application station (A); and at least one powering station (P) arranged along the endless track (4) and configured for transmitting electrical energy; the linear motor is configured to selectively move each cart member (5) through the powering station (P), whereby the receiver (11) receives electrical energy from the powering station (P) thereby powering the component (10).