Step Conveyor Ribs for Gentle Container Handling
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Solution Overview
Problem
Existing grouping tables face challenges in ensuring gentle processing of containers during layer formation, as they either experience rough handling due to mechanical stop points or slip at higher speeds, affecting the stability of the stack, and increasing friction complicates the push-off process.
Innovation Solution
The design of a step conveyor with a profiled upper side that offers greater resistance in the conveying direction to prevent slipping, while allowing easy movement in the push-off direction, utilizing ribs that engage form-fittingly with containers to secure them against slipping and facilitate smooth push-off.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If mechanical stop points are used to arrange packs on the roller conveyor, then the packs can be positioned in the required position for layer formation, but the containers experience rough handling and are not gently processed
Solution Approach 1:
The patent replaces the mechanical stop point system with a vision-guided robotic manipulation system. Cameras capture pack positions, software calculates optimal paths, and robots transfer packs gently without mechanical impacts, eliminating rough handling while maintaining positioning precision.
Solution Approach 2:
The patent introduces an intermediate control system consisting of vision sensors and software algorithms between the conveyor and the layer formation process. This intermediary system enables precise positioning through digital control rather than direct mechanical intervention, reducing harmful mechanical impacts on containers.
2Object-affected harmful factors
If mat chain conveyors with closed surface are used to avoid mechanical stop points, then gentle processing is achieved, but containers slip at higher speeds affecting stack stability
Solution Approach 1:
The patent changes the surface parameter of the mat chain conveyor by adding ribs or protrusions that increase friction selectively. These surface modifications enable the conveyor to grip containers firmly during high-speed transport to prevent slipping, while still allowing gentle processing through controlled acceleration and deceleration profiles.
Solution Approach 2:
The patent implements dynamic control of the mat chain conveyor by varying speed profiles and acceleration rates according to the specific processing stage. The system accelerates and decelerates smoothly to maintain container stability without relying solely on friction, enabling gentle processing even at higher speeds.
3Stability of the object's composition
If the coefficient of friction is increased to prevent slipping on mat track, then container stability improves, but it becomes excessively difficult to push off to the side
Solution Approach 1:
The patent applies local quality by creating directional asymmetry in the mat chain surface structure. Ribs or protrusions are oriented to provide high friction in the longitudinal direction (preventing slipping during transport) while offering minimal resistance in the transverse direction (facilitating easy push-off for layer formation).
Solution Approach 2:
The patent employs asymmetric surface features on the mat chain conveyor where the rib structure provides differential friction based on direction. This asymmetry enables the conveyor to simultaneously prevent longitudinal slipping through high friction while allowing easy lateral push-off with low friction, resolving the contradiction between stability and ease of operation.
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
This design enhances the performance of the grouping table by preventing container slipping during high-speed transport and acceleration, ensuring stable layer formation with increased efficiency and reduced risk of damage.
Implementation Method 1
the upper side of the step conveyor located under the containers has a profile that offers greater resistance to displacement of the containers in the conveying direction than in the push-off direction
Implementation Method 2
The containers, such as B. Shrink film packaging of beverage bottles, or cartons, come with these ribs in the conveying direction in a form-fitting engagement because the edges of these ribs dig into the container or with projections of the container, such as folded edges of cartons, engage
Data Source
Figure 1~4
AI summary
The grouping table for shrink-packs comprises a continuously operating conveyor which feeds the packs to a second conveyor (4) which operates stepwise. A slide moves across the second conveyor and pushes packages (1) on to a stacking table. The second conveyor has ribs (8) on its surface to prevent packages from sliding forwards.