Film Embossing Apparatus with Industrial Robot
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Solution Overview
Problem
Conventional hot stamping devices are limited in their ability to uniformly decorate different workpieces with varying geometries and embossing surface angles, requiring separate devices for each type of workpiece, which restricts versatility and efficiency.
Innovation Solution
A foil embossing device integrated with an industrial robot and a heatable stamping die, featuring adjustable film guide levers and a control unit that allows for programmable movement and sensor-driven adaptations, enabling the device to handle diverse workpiece geometries and embossing parameters, ensuring consistent contact and cooling to enhance embossing quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional hot stamping device is used for specific workpiece geometries, then embossing quality is maintained, but device versatility deteriorates requiring separate devices for each workpiece type
Solution Approach 1:
The embossing device incorporates an industrial robot with programmable movement paths and adjustable film guide levers that can be dynamically reconfigured for different workpiece geometries and embossing surface angles, allowing the same device to adapt to various decoration tasks while maintaining embossing quality
Solution Approach 2:
The device integrates multiple functions including workpiece feeding, positioning, embossing execution, and foil guidance into a single universal system controlled by a programmable robot, eliminating the need for separate dedicated devices for each workpiece type
2Device complexity
If manual workpiece handling is used, then device complexity is reduced, but productivity deteriorates due to manual operations
Solution Approach 1:
The industrial robot autonomously performs workpiece feeding, positioning, and removal operations based on programmed instructions, enabling the device to service itself without manual intervention for each embossing cycle, thereby significantly improving productivity
Solution Approach 2:
The system incorporates sensors that provide feedback to the control unit about workpiece position and embossing process status, allowing the robot to automatically adjust its actions to maintain optimal embossing conditions and handle various workpiece types
3Device complexity
If fixed film guide levers are used, then device complexity is reduced, but adaptability to different workpiece geometries deteriorates
Solution Approach 1:
The film guide levers are designed to be adjustable and repositionable, allowing their position and angle to be dynamically modified to match different workpiece geometries and embossing surface angles, providing adaptability without excessive complexity
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 solution enables universal use of the embossing device for various workpieces, maintaining consistent embossing conditions and improving the quality of hot stamping by allowing precise control over embossing parameters and adaptability to different geometries and materials.
Implementation Method 1
a hot stamping device (2) which embosses at least in sections a transfer layer (51) of a hot stamping foil (5) onto the workpiece (4) using a heated stamping stamp
Implementation Method 2
ensuring consistent contact and cooling to enhance embossing quality
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
The invention relates to a film-embossing apparatus (1), comprising a hot embossing device (2), which has a heated embossing punch (21). A transfer layer (51) of a hot embossing film (5), which transfer layer is arranged on a carrier film (52), is transferred to a surface of a workpiece (4), a contact pressure being generated during this process. The hot embossing device (2) has control inputs and outputs. The film-embossing apparatus (1) comprises an industrial robot (3) having control inputs and outputs. The control inputs and outputs of the hot embossing device and of the industrial robot are connected to a control unit (7). The industrial robot (3) is designed in such a way that the industrial robot feeds the workpiece (4) to the hot embossing device (2), positions the workpiece (4) on the embossing punch (21), guides the workpiece (4) past the embossing punch (21), and transports the embossed workpiece away from the hot embossing device (2). According to the invention the industrial robot (3) also may position the hot embossing device (2) on the workpiece (4).