Preformed Bag Feeder Positioner Alignment
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Solution Overview
Problem
Preformed bags in packaging machines are not perfectly aligned due to slackness between the bags and the bucket walls, leading to inconsistent positioning and potential failure in packaging processes.
Innovation Solution
A positioner is integrated into the feeder to align preformed bags horizontally and vertically before they are moved by the transporter, using a longitudinal passage and movable lateral centering elements to ensure the bags are centered and fixed in position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If preformed bags are piled in buckets with slackness between bags and bucket walls to allow individual extraction, then bags can be easily extracted one by one, but bags become misaligned in horizontal and vertical positions
Solution Approach 1:
The positioner performs preliminary alignment action on the bags before they are transferred to the packaging machine. The longitudinal passage and lateral centering elements horizontally and vertically align the bags in advance, ensuring precise positioning while maintaining easy extraction from buckets.
Solution Approach 2:
The positioner acts as an intermediary device between the bucket feeder and the packaging machine. It receives misaligned bags from the buckets, aligns them using the longitudinal passage and centering elements, and delivers precisely positioned bags to the packaging machine.
2Productivity
If bags are allowed to move and turn slightly in lateral direction due to bucket slackness, then individual bag extraction is enabled, but bag positioning consistency deteriorates
Solution Approach 1:
The positioner stabilizes bag positioning by performing preliminary alignment before bags enter the packaging machine. The longitudinal passage and lateral centering elements ensure consistent horizontal and vertical positioning, eliminating variations caused by bucket slackness.
3Adaptability or versatility
If fastening clamps supply bags in positions with excessive lateral inclination or movement, then bag handling flexibility is maintained, but packaging process reliability fails
Solution Approach 1:
The positioner performs preliminary alignment of bags in horizontal and vertical directions before they reach the fastening clamps. This ensures that bags are properly positioned and oriented, preventing excessive lateral inclination or movement during subsequent packaging operations.
Data Source
AI summary
Preformed bag feeder for packaging machines which comprises buckets containing the preformed bags and first means for picking up successive bags from the buckets and for supplying the bags, one by one, to fastening clamps located at a point of the trajectory of the transporter, the clamps allowing pick-up of the successive bags, in a vertical orientation, by the transporter. The transporter comprises, following the fastening clamps, a positioner that carries out the horizontal and vertical alignment of the successive bags with respect to horizontal and vertical reference lines; arranging the bags in a fixed position wherein the lower extremity of the successive bags matches the horizontal reference line and the aforementioned bags are centered with respect to the vertical reference line.