Packaging Layer Assembly via Sliding Transfer Mechanism

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Solution Overview

Problem

Existing systems for assembling and handling packaging layers, particularly for forming mixed bundles, face challenges such as complexity in layer formation, susceptibility to dirt and fluids, and restricted capacity due to the use of suction devices, which lead to frequent faults and reduced production efficiency.

Innovation Solution

A system comprising a grouping station with row conveyors and a transfer unit that uses slide-over buffer regions and independently controlled slide elements to form and stack layers efficiently, allowing for continuous and flexible layer formation and handling, enabling the assembly of mixed bundles according to customer wishes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If suction devices are used for layer formation and handling, then packaging means can be transferred and grouped, but the devices are susceptible to dirt and fluids causing frequent faults and reduced reliability

Engineering Contradiction:
Improvedevice reliabilityVSAvoidsusceptibility to dirt and fluids
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent removes suction devices from the system entirely and replaces them with a mechanical transfer unit using slide elements and buffer regions. This extraction eliminates the susceptibility to dirt and fluids that plagued suction devices, directly improving reliability while maintaining the layer formation function.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The slide elements and buffer regions are designed as simple mechanical components that are easier to clean and maintain than suction devices. These components can be quickly replaced or cleaned without complex mechanisms, reducing downtime and improving overall device reliability.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Stability of the object's composition

If intermediate layers of cardboard or board are used between individual layers, then layers are stabilised, but the transfer and removal of layers becomes technically elaborate and difficult

Engineering Contradiction:
Improvelayer stabilityVSAvoidtransfer and removal complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent removes intermediate cardboard or board layers from the system and replaces them with a mechanical coupling between adjacent packaging means. The coupling elements engage directly with the packaging means surfaces, eliminating the need for separate stabilizing layers while simplifying the transfer and removal operations.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The stabilizing function previously performed by separate intermediate layers is merged into the mechanical coupling system itself. The coupling elements provide both the connection between layers and the structural stability, eliminating redundant components and simplifying the overall system.

Inventive Principle:
Principle #5Merging (Combining)

3Productivity

If layers are formed and stacked on pallets in traditional manner, then transport units are created, but the capacity is restricted and production efficiency is reduced

Engineering Contradiction:
Improveproduction capacityVSAvoidtime for layer formation and handling
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The slide-over buffer regions allow packaging means to be pre-positioned and staged before actual layer formation. This preliminary action enables smoother flow and reduces waiting time during layer assembly, increasing overall production capacity and reducing cycle time.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The mechanical transfer unit with slide elements enables continuous movement of packaging means through the layer formation process. Unlike batch-oriented traditional systems, this design maintains continuous flow, eliminating idle time and maximizing productivity throughout the production line.

Inventive Principle:
Principle #20Continuity of useful action

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 system enhances machine availability, reduces faults, and increases production capacity by allowing rapid and reliable layer formation, enabling continuous packaging feed and minimizing interruptions in the upstream mass flow.

Implementation Method 1

a slide-over buffer region between the row conveyors and the grouping table, by means of which the transfer unit slides the packaging means

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

each slide element can be moved individually and independently both by means of a raising and lowering movement in a vertical direction as well as by means of a lateral travel movement in the horizontal direction

Methodology Applied
Scientific EffectNormal force: Force

Data Source

PatentUS12172848B2System and method for assembling layers of packaging means and for forming transport and storage units from at least one of said layers
Publication Date: 2024.12.24 KHS GMBH
  • US12172848B2 patent drawing
  • US12172848B2 patent drawing
  • US12172848B2 patent drawing

AI summary

A system for assembling layers of packages and for forming transport and storage units from the layers. A grouping station has a grouping table for arranging and grouping the packages in a predefined layer arrangement. A package delivery feeds the packages to the grouping table in a conveying direction. The package delivery has two row conveyors for transporting at least one row of packages each on either side of the grouping table. A transfer unit transfers the packages from the row conveyors to the grouping table by sliding them in a respective sliding direction over a slide-over buffer region between each row conveyor and the grouping table, in order to form the layer of packages. A layer stacker then slides the layer of packages from the grouping table over onto a plate provided in the layer stacker, while maintaining the layer arrangement, in order to form the transport and storage unit.