Planar Drive System for Container Blank Heating
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing container blank treatment systems face issues with gaps in the container blank stream causing uneven heating and instability in the blow molding process, leading to rejected blanks and complex gap closure procedures.
Innovation Solution
A device featuring a planar drive system with independently movable movement devices, allowing flexible movement and heating of container blanks through an oven, enabling adaptive heating section length and uniform or uneven heating, and incorporating a rotating mechanism for optimal temperature distribution and holder exchange for different sizes and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If container blanks are transported through the furnace on a chain, then the container blanks can be heated, but gaps in the container blank stream cause uneven heating and process instability
Solution Approach 1:
The patent applies the dynamics principle by making the heating sections movable relative to the container blank transport path. The heating sections can be dynamically positioned to maintain consistent heating zones even when gaps occur in the container blank stream, preventing the process instability caused by fixed heating zones encountering variable blank spacing
Solution Approach 2:
The heating device is segmented into multiple independently movable heating sections. This segmentation allows each heating section to be independently controlled and positioned, enabling the system to adapt to gaps in the container blank stream by redistributing heating zones, thereby maintaining process stability without complex gap closure procedures
2Adaptability or versatility
If the heating section length through the furnace is fixed, then the furnace design is simplified, but the system cannot adapt to varying throughput or performance requirements
Solution Approach 1:
The heating sections are designed to be movable along the transport path, allowing the effective heating section length to be dynamically adjusted based on throughput requirements. This dynamic configuration enables the system to adapt to varying performance demands without requiring a completely different furnace design
Solution Approach 2:
By dividing the heating device into multiple movable sections, the system can selectively activate and position different numbers of heating sections to create variable heating zone lengths. This segmented approach provides adaptability while keeping the overall furnace structure relatively simple
3Productivity
If container blanks adjacent to gaps receive more heat, then the heating process continues, but the blow molding process becomes unstable and requires separation
Solution Approach 1:
The system incorporates sensors that detect the position of container blanks and provide feedback to the control unit. When gaps are detected, the control unit adjusts the positioning and activation of heating sections in real-time to ensure uniform heat distribution, preventing the blow molding instability that would otherwise require process interruption
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 solution reduces reject rates, allows for a more compact oven design, and enables efficient production of containers with varying shapes by ensuring uniform or uneven heating, thus improving the stability and efficiency of the blow molding process.
Implementation Method 1
The plurality of movement devices are movable independently of one another with respect to the base element, preferably by means of magnetic interaction between the base element and the plurality of movement devices
Implementation Method 2
The container blanks are first heated in a heating zone to sufficiently heat the relatively thick-walled container blanks across their entire cross-section
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The invention relates to a device (10A-10E) for treating container blanks (12) for a container treatment installation. The device (10A-10E) comprises a furnace (18) for heating the container blanks (12). A planar drive system (16) has a base element (22) and a plurality of movement devices (24) for transporting the container blanks (12). The plurality of movement devices (24) are movable independently from one another relative to the base element (22). The container blanks (12) can be moved through the furnace (18) by means of the plurality of movement devices (24).