Rotating Bag Holder Assembly for High-Throughput Packaging

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Solution Overview

Problem

Conventional packaging equipment requires manual filling of materials into packaging bags, leading to low efficiency and incompatibility with large-scale production lines.

Innovation Solution

The packaging equipment includes a frame with a material filling apparatus, bag loading apparatus, and bag receiving apparatus, featuring a support assembly with rotatable bag holders and a material filling direction perpendicular to the rotation axis, along with a retractable mechanism that adjusts the distance between bag holders during rotation to reduce space and inertia.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual filling is used, then operation simplicity is maintained, but productivity is low

Engineering Contradiction:
Improvematerial packaging efficiencyVSAvoidpackaging equipment structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The packaging equipment is divided into distinct functional modules: bag loading apparatus, bag receiving apparatus with rotatable support assembly, material filling apparatus, sealing mechanism, and output mechanism. Each module performs a specific function, allowing the system to achieve high productivity through automated sequential operations while maintaining manageable complexity through modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The support assembly is designed to rotate, dynamically positioning bag holders between the bag loading station and material filling station. This dynamic positioning enables continuous automated operation, with multiple bag holders rotating into position to receive bags, be filled, and be sealed in sequence, significantly improving productivity over static manual filling.

Inventive Principle:
Principle #15Dynamics

2Productivity

If multiple bag holders are arranged on a rotating support assembly, then productivity increases through automation, but device complexity increases

Engineering Contradiction:
Improvepackaging throughputVSAvoidsupport assembly structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The rotatable support assembly serves multiple functions: it holds multiple bag holders, rotates to position them at different stations, and enables continuous operation by bringing fresh bag holders into position. This multi-functional design consolidates several operations into a single mechanism, improving productivity while controlling complexity through functional integration.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Volume of moving object

If a retractable mechanism is added to adjust bag holder distance, then space occupation is reduced, but device complexity increases

Engineering Contradiction:
Improveequipment footprintVSAvoidretractable mechanism structure
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The retractable mechanism dynamically adjusts the radial distance of bag holders from the rotation axis based on operational needs. During filling operations, bag holders are positioned closer to minimize rotation radius and space occupation. The mechanism retracts and extends as needed, enabling compact equipment footprint while maintaining operational flexibility, thus reducing volume without excessive complexity increase.

Inventive Principle:
Principle #15Dynamics

4Loss of time

If manual filling is used, then ease of operation is maintained, but loss of time increases

Engineering Contradiction:
Improvematerial filling timeVSAvoidequipment operation simplicity
Core Design Contradiction:
Loss of timeVSEase of operation

Solution Approach 1:

The system performs filling operations automatically without continuous manual intervention. Bags are automatically positioned by the rotating support assembly, the material filling apparatus fills them autonomously, and the sealing mechanism seals them automatically. This self-service automation dramatically reduces the time loss associated with manual filling operations while requiring minimal operator input beyond loading raw materials and monitoring the process.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS12534250B2Packaging equipment and retractable packaging machinery
Publication Date: 2026.01.27 CHENGDU LONGXI TECHNOLOGIES LTD
  • US12534250B2 patent drawing
  • US12534250B2 patent drawing
  • US12534250B2 patent drawing

AI summary

Packaging equipment having higher packaging efficiency is provided. The Packaging equipment includes a frame, and a material filling apparatus, a bag loading apparatus, and a bag receiving apparatus that are arranged on the frame. The bag receiving apparatus includes a support assembly and multiple bag holders. The support assembly is rotatably arranged on the frame, and the multiple bag holders are symmetrically arranged on the support assembly with respect to a rotation axis of the support assembly. The bag loading apparatus conveys a packaging bag to each bag holder at a bag loading station, and the bag receiving apparatus drives the packaging bag to rotate from the bag loading station to the material filling station. The material filling apparatus fills material into the packaging bag, and a material filling direction of the material filling apparatus is perpendicular to the rotation axis of the support assembly.