Packaging Apparatus Strip Tape Positioning Correction
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Solution Overview
Problem
Conventional packaging-container manufacturing apparatuses face challenges in accurately bonding strip tapes to packaging materials due to variations in reel diameter, edge position changes, and tape waviness, leading to improper positioning and tension issues that hinder effective longitudinal sealing.
Innovation Solution
A packaging-container manufacturing apparatus equipped with detection sections to accurately determine the position of the strip tape relative to the packaging material, a guide member to correct positioning, and a drive section to adjust the strip tape's position, ensuring precise bonding and sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a strip tape is dispensed from a reel to bond to packaging material, then longitudinal sealing is achieved, but positioning accuracy deteriorates due to reel diameter changes and tape waviness
Solution Approach 1:
The patent applies preliminary action by detecting the edge position of the strip tape and calculating the required guide member position in advance, before the actual bonding occurs. The control unit determines the appropriate position of the guide member based on detected tape characteristics, enabling accurate positioning despite reel diameter changes and tape waviness.
Solution Approach 2:
The patent implements feedback by using a detection unit to continuously monitor the edge position of the strip tape during dispensing. The control unit receives this detection signal and adjusts the guide member position accordingly, creating a closed-loop control system that maintains positioning accuracy despite variations in reel diameter and tape tension.
2Productivity
If the reel diameter changes during tape dispensing, then tape supply continues, but tension variation causes position deviation
Solution Approach 1:
The patent applies dynamics by making the guide member position adjustable rather than fixed. As the reel diameter changes during tape dispensing, the control unit dynamically recalculates and repositions the guide member to maintain optimal tape tension and positioning, allowing continuous productivity while preserving precision.
3Ease of operation
If the strip tape edge waves during dispensing, then tape meandering occurs, but bonding to proper position becomes impossible
Solution Approach 1:
The patent applies preliminary action by detecting the waved edge position of the strip tape before bonding occurs. The control unit calculates the corrected guide member position based on the detected waviness, enabling the system to compensate for edge irregularities and achieve accurate bonding despite tape meandering during dispensing.
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 apparatus ensures the strip tape is bonded to the packaging material at the correct position, enabling reliable longitudinal sealing and maintaining packaging quality by adjusting for reel diameter changes and tape waviness.
Implementation Method 1
a first detection section disposed upstream of the bonding member with respect to a conveyance direction of the packaging material and adapted to detect the edge of the packaging material; a second detection section disposed downstream of the bonding member with respect to the conveyance direction of the packaging material and adapted to detect an edge of the strip tape
Data Source
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AI summary
An object is to enable a strip tape to be bonded to a packaging material at a proper position and enable longitudinal sealing to be performed well. A packaging-container manufacturing apparatus includes a bonding member, a first detection section which detects an edge of the packaging material, a second detection section which detects an edge of the strip tape (12), position determination processing means for determining the position of the strip tape (12) in relation to the packaging material, and position correction processing means for correcting the position of the strip tape (12) in relation to the packaging material. Since the position of the strip tape (12) in relation to the packaging material is determined on the basis of outputs of the first and second detection sections and the position of the strip tape (12) in relation to the packaging material is corrected on the basis of results of the determination on the position, the strip tape (12) is placed on the packaging material at a proper position.