Adjustable Envelope Guides for Misalignment Reduction
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Solution Overview
Problem
Existing envelope filling apparatuses are limited in handling a wide range of envelope sizes, weights, and thicknesses, particularly struggling with portrait-oriented envelopes, and often result in misalignment issues leading to reduced throughput and increased obstructions.
Innovation Solution
The apparatus employs envelope guides that actively position envelopes by laterally adjusting to align with the product receiving path, ensuring precise alignment and secure holding of envelopes between guiding surfaces, allowing for reliable and rapid insertion of products into envelopes of varying sizes, including both portrait and landscape orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed positioning structures are used for envelopes, then the structure is simple, but the apparatus cannot handle a wide range of envelope sizes, weights and thicknesses
Solution Approach 1:
The patent applies the dynamics principle by making the positioning structure adjustable rather than fixed. The side guides can be laterally moved to different positions, and the depth of the guide surfaces can be adjusted, allowing the apparatus to adapt to various envelope sizes and formats dynamically during operation
Solution Approach 2:
The positioning structure is designed with universal capabilities to handle multiple types of envelopes (landscape and portrait orientations, different sizes) through a single adjustable mechanism. The guide surfaces can be repositioned to accommodate different envelope dimensions, making the apparatus multi-functional
2Manufacturing precision
If manual positioning of envelopes is used, then alignment can be achieved, but the throughput is reduced and obstructions increase
Solution Approach 1:
The apparatus employs self-aligning features where the envelope guides automatically position the envelopes correctly as they are fed. The lateral adjustment mechanism and depth-adjustable guide surfaces enable the system to self-correct alignment issues without manual intervention, maintaining both precision and high throughput
3Reliability
If fixed envelope guides are used, then the device complexity is low, but misalignment between envelope and product occurs
Solution Approach 1:
The envelope guides are made dynamically adjustable rather than fixed. The side guides can move laterally and the guide surfaces can adjust in depth, allowing the system to adapt to variations in envelope dimensions and maintain reliable alignment for consistent insertion
Solution Approach 2:
The positioning parameters of the envelope guides (lateral position and depth) can be changed to match different envelope specifications. This parameter adjustment capability ensures that the guiding surfaces always align correctly with the envelope edges, preventing misalignment during insertion
Data Source
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AI summary
An apparatus comprising: - an envelope feeder (12) configured to feed envelopes (E) to a product receiving position; - a positioning structure configured to position the envelopes in said receiving position; - an inserter (7) configured to insert products into envelopes, positioned in the receiving position, in a product inserting direction; and - an envelope conveyor (29) to remove filled envelopes from the receiving position, in an envelope removal direction (X); wherein the positioning structure comprises envelope guides (33, 34) configured to abut two lateral envelope edges of each envelope that is in said receiving position, and a drive (M, 63, 64) to laterally adjust a position of at least one of the envelope guides (33, 34).The invention also relates to a method for placing a product in an envelope.