Rotating Guide Unit Platform for Fast Continuous Casting Changeover
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Solution Overview
Problem
The existing methods for changing guide units in continuous casting machines are time-consuming, labor-intensive, and pose safety risks due to the need for manual handling and replacement of heavy and bulky straightening and soft reduction units, which negatively impacts productivity.
Innovation Solution
A platform with rotating and linear actuator mechanisms allows for the rapid and automated replacement of guide units by positioning them adjacent to and along the casting line, reducing operator intervention and enabling efficient switching between different shapes and sizes of guide units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual handling and replacement of guide units is used, then flexibility to change guide units is achieved, but the replacement process becomes time-consuming and reduces productivity
Solution Approach 1:
The guide unit replacement system performs its own replacement operation automatically without external manual intervention. The robotic arm picks up guide units from storage positions and installs them onto the casting machine, enabling the system to service itself and eliminating dependency on manual labor for this repetitive task.
Solution Approach 2:
A robotic arm acts as an intermediary between the guide unit storage positions and the casting machine. This intermediary device transfers the guide units automatically, bridging the gap between storage and installation points while eliminating the need for direct manual handling.
2Adaptability or versatility
If manual handling of guide units is used, then guide unit replacement is possible, but operator safety risks increase due to heavy and bulky units
Solution Approach 1:
The system eliminates human involvement in the hazardous task of handling heavy guide units by enabling the replacement mechanism to service itself automatically. The robotic arm assumes the role previously performed by operators, removing them from exposure to safety risks associated with heavy object manipulation.
Solution Approach 2:
The robotic arm serves as an intermediary that assumes the hazardous function of handling heavy guide units. By placing the robotic arm between the operator and the heavy object, the system transfers the safety risk from human operators to the automated device, which is designed to handle such loads safely.
3Productivity
If multiple cranes are used for guide unit replacement, then replacement can be performed, but device complexity and cost increase
Solution Approach 1:
The robotic arm is designed as a multi-functional device that can perform multiple operations: picking up guide units from different storage positions, transporting them, and installing them onto the casting machine. This single versatile device replaces the need for multiple specialized cranes, each required for specific tasks in the traditional system.
Solution Approach 2:
The system merges the functions of multiple cranes into a single robotic arm mechanism. By combining picking, transporting, and installing operations into one integrated automated system, the complexity and cost associated with coordinating multiple crane operations is eliminated.
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 significantly increases the efficiency and productivity of continuous casting machines by enabling quick and safe replacement of guide units, reducing downtime and operator exposure to hazards during the process.
Implementation Method 1
at least a first linear actuator (33) associated with at least a first guide unit (11') and at least a second linear actuator (32) associated with at least a second guide unit (14'); the linear actuators are housed on board the platform
Implementation Method 2
the platform is associated with rotation means to take, on each occasion, the first positioning zone or the second positioning zone facing the side of the casting line
Data Source
Figure 1
Figure 2~3
Figure 4a~4d
AI summary
Apparatus to replace a guide unit in a continuous casting machine (15) provided with at least one casting line (L1-L4), comprising at least a platform (24) positioned, during use, at the side of the casting line (L1-L4), and provided with at least a first positioning zone (29) of at least a first guide unit (11 '-14') and at least a second positioning zone (30) of at least a second guide unit (11-14); the platform (24) is associated with rotation means (25, 26) to take, on each occasion, the first positioning zone (29) or the second positioning zone (30) facing the side of the casting line (L1-L4); the apparatus also comprises movement means (32, 33) configured to move the second guide unit (11-14) from a positioning zone (40) outside the platform (24) and, during use, in line with the casting line (L1-L4), to the second positioning zone (30) of the platform (24) and to move the first guide unit (11 '-14') from the first positioning zone (29) of the platform (24) to the positioning zone (40) outside the platform (24) and, during use, in line with the casting line (L1-L4), or vice versa.