Foil Transfer Apparatus Wire Drive Mechanism
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Solution Overview
Problem
Existing foil transfer apparatuses face challenges in efficiently transferring thermal transfer foil onto large objects without increasing costs, as they require larger driving sources and more accurate feed screw rods, leading to higher costs and longer transfer times.
Innovation Solution
A foil transfer apparatus with a moving mechanism using guide shafts, carriages, and pulley systems to move the transfer tool in multiple directions, allowing for high-speed movement with reduced thrust and enabling larger movable ranges without increasing the size of the driving source, by employing a combination of first and second carriage moving mechanisms with wires and pulleys.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the size of the foil transfer apparatus is increased to transfer thermal transfer foil onto a relatively large transfer object, then the movable range of the transfer tool is increased, but the resistance in moving the transfer tool increases and the transfer time increases
Solution Approach 1:
The patent replaces the traditional feed screw rod mechanical system with a belt-driven moving mechanism. The belt mechanism reduces friction and resistance compared to screw rods, enabling faster movement of the transfer tool across large transfer objects without proportionally increasing transfer time. This mechanical substitution allows the system to maintain high speed while handling larger areas.
2Area of stationary object
If the size of the foil transfer apparatus is increased to transfer thermal transfer foil onto a relatively large transfer object, then the movable range of the transfer tool is increased, but larger driving sources or more accurately molded feed screw rods are required, leading to increased costs
Solution Approach 1:
The patent substitutes the expensive and complex feed screw rod system with a simpler belt-driven mechanism. This replacement eliminates the need for high-precision molding of screw rods and reduces the requirements for oversized driving sources, thereby lowering manufacturing costs while maintaining the capability to handle large transfer objects.
Solution Approach 2:
The patent changes the mechanical parameters of the moving mechanism by using belts instead of screw rods. This parameter change allows for lower precision requirements in component manufacturing and reduces the power requirements of driving sources, making the system more cost-effective for large-scale applications.
3Productivity
If feed screw rods are used to move the transfer tool at higher speed for large transfer objects, then the transfer time is reduced, but larger driving sources are required, leading to increased costs
Solution Approach 1:
The patent replaces the feed screw rod system with a belt-driven system that inherently allows for higher speed operation with lower power requirements. The belt mechanism reduces friction and enables smoother, faster movement without requiring oversized motors or high-precision components, thus achieving high transfer speeds at lower cost.
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
Enables efficient transfer of thermal transfer foil onto large objects with reduced costs by preventing the need for larger driving sources and improving the accuracy and range of movement, thus enhancing the apparatus's capability to handle larger transfer objects.
Implementation Method 1
a first carriage located above the support base, slidably disposed on the first guide shaft, and movable in the first direction
Data Source
AI summary
A Y-axis direction moving mechanism that moves a Y-axis carriage includes a right first driving pulley configured to retract and pay out a right first wire and located in a housing, a right first driven pulley on the Y-axis carriage and around which the right first wire is wound, and a Y-axis motor configured to drive and rotate the right first driving pulley. An X-axis direction moving mechanism that moves an X-axis carriage includes a second driving pulley configured to retract and pay out a second wire and on a Y-axis carriage, a second driven pulley on an X-axis carriage and around which the second wire is wound, and an X-axis motor configured to drive and rotate the second driving pulley.