Dual Roller Embosser with Conversion Unit for Even Die Pressure
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Solution Overview
Problem
Existing embossers often result in uneven force distribution on the die, leading to unclear stamping patterns due to a single-point downward pressing mechanism, requiring significant user force and counteracting force during the stamping process.
Innovation Solution
The embosser design incorporates two rollers that distribute the force evenly across the die by moving the handle through distinct positions, utilizing a conversion unit with guide rods and press rods to adjust the force direction and application, enhancing stability and pattern clarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single roller presses downward on the die, then the structure is simple, but the force distribution is uneven resulting in unclear stamping patterns
Solution Approach 1:
The single roller is divided into two separate rollers (first roller and second roller) that press downward on opposite sides of the die. This segmentation allows the pressing force to be distributed across multiple contact points, ensuring even force distribution and clear stamping patterns while maintaining structural simplicity through the use of two identical roller components.
2Device complexity
If only two pivot shafts are used as moment fulcrums, then the device complexity is low, but the user must apply large force and experiences large counteracting force
Solution Approach 1:
A conversion unit is introduced as an intermediary mechanism between the handle and the rollers. This conversion unit includes guide rods and press rods that convert the upward motion of the handle into downward pressing motion on the rollers. The conversion unit acts as a mechanical advantage system, reducing the force the user must apply while maintaining control over the pressing action.
3Device complexity
If the handle presses directly on the roller body, then the mechanism is simple, but the force direction cannot be adjusted for optimal pressing
Solution Approach 1:
The conversion unit with guide rods and press rods serves as an intermediary that optimizes force transmission. The guide rods constrain the motion path and direct the force vertically downward, while the press rods transmit this force to the rollers. This intermediary mechanism ensures uniform force distribution across the die surface and allows for optimal pressing direction without requiring complex direct linkages.
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 ensures even force distribution across the die, reducing the need for excessive user force and improving the clarity and consistency of stamped patterns, enhancing the embossing process.
Implementation Method 1
the first roller and the second roller are configured to evenly distribute the force applied to the die
Implementation Method 2
The embosser includes a handle and a roller body. The roller body includes a first roller in contact with the die and a second roller
Implementation Method 3
the embosser uses only the first pivot shaft and the second pivot shaft as moment fulcrums
Data Source
AI summary
Embodiments of the disclosure set forth an embosser for a die. The embosser includes a frame having two sides. The embosser includes a handle and a roller body. The roller body includes a first roller in contact with the die and a second roller. In response to the handle being moved toward the roller body to a first handle position, the first roller is moved toward a first edge of the die and the second roller is in contact with the die. In response to the handle being moved toward the roller body to a second handle position from the first handle position, the first roller and the second roller remain in contact with the die and further press the die.