Bag Pushing Mechanism With Contact Bending for Stable Box Packaging
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Solution Overview
Problem
Existing pushing mechanisms for bags into laterally open boxes can cause posture disorders due to interference with peripheral components, leading to potential rotation or disorder of the bags inside the box.
Innovation Solution
A pushing mechanism with a contact portion that bends one side of the bag in the pushing direction, using a contact portion that protrudes to deform the bag and suppress posture disorder, with adjustable height and expandability to accommodate multiple bags effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pushing mechanism pushes bags into a box without additional contact portions, then the pushing process is simple, but the bag may interfere with peripheral components causing posture disorder (rotation) inside the box
Solution Approach 1:
The pushing unit is segmented into a pressing surface for general pushing and a separate contact portion for specific bag deformation. This segmentation allows the contact portion to be added without redesigning the entire pushing mechanism, resolving the contradiction between improving bag posture stability and maintaining device simplicity.
Solution Approach 2:
The contact portion is designed with specific local properties (protruding height between 1/10 to 1/3 of bag length) to target specific deformation needs. This localized modification provides the necessary bag deformation to prevent rotation without requiring a complete redesign of the pushing mechanism, thus improving reliability while minimizing complexity increase.
2Reliability
If the contact portion protrudes too much, then bag deformation is effective, but the pushing unit becomes too complex and difficult to manufacture
Solution Approach 1:
The patent specifies a parameter range for the contact portion protruding height (1/10 to 1/3 of bag length in pushing direction). By defining this optimal range, the invention ensures effective bag deformation while avoiding excessive complexity in manufacturing. This parameter optimization resolves the contradiction between achieving reliable bag posture stability and maintaining ease of manufacture.
3Adaptability or versatility
If the contact portion is made expandable and contractible, then the number of bags that can be pushed simultaneously is adjustable, but the device complexity increases
Solution Approach 1:
The contact portion is designed to be expandable and contractible in the alignment direction of bags, allowing dynamic adjustment of the number of bags that can be pushed simultaneously. This dynamic capability provides versatility for different packaging scenarios. The invention resolves the contradiction by implementing a relatively simple dynamic structure that achieves adaptability without excessive complexity increase.
Data Source
AI summary
A pushing mechanism pushes a plurality of bags into a laterally open box in an erected posture. The pushing mechanism includes a box standby unit for causing the box to stand by, an article placement unit having a placement surface on which the plurality of bags are temporarily placed in the erected posture, and a pushing unit extending in an alignment direction of the plurality of bags and pushing the plurality of bags placed on the placement surface into the box by moving toward an opening of the box from the article placement unit. The pushing unit has a contact portion that comes into contact with a portion of the bag in a height direction in the erected posture such that one side of the bag is bent in a pushing direction.