Rotary Grater Layout for Larger Piece Processing
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Solution Overview
Problem
Existing graters require materials to be cut into small pieces to fit, making it cumbersome to process larger items like hard cheeses, which increases effort and difficulty.
Innovation Solution
The driver is positioned outside the axis of rotation, allowing more than 90% of the interior space to be used for the material, with a design that includes a driver as a flattening of the interior shape and a pressure stamp for efficient comminution, enabling larger pieces to be processed without the need for additional components at the axis of rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the driver is arranged in the center of the receptacle to prevent material rotation, then the material can be securely held, but the available interior space for accommodating large pieces is significantly reduced
Solution Approach 1:
The driver is extracted from the central axis position and relocated to the peripheral region of the receptacle. This extraction removes the obstruction from the center, allowing large pieces of material to be accommodated in the previously blocked central area while the driver remains positioned at the periphery to continue preventing material rotation during processing.
Solution Approach 2:
The driver configuration transitions from a centralized axial arrangement to a peripheral distribution arrangement. By moving the driver elements from the central dimension to the peripheral dimension of the receptacle, the design achieves both rotational control and maximum interior space utilization simultaneously.
2Productivity
If the driver is positioned centrally to ensure proper material engagement, then comminution effectiveness is maintained, but the receptacle cannot accommodate large pieces of material
Solution Approach 1:
The driver is extracted from the central engagement position and relocated to the periphery. This allows large pieces of material to be easily loaded into the central area without obstruction, while the peripheral driver position maintains effective engagement through the rotational movement mechanism during the comminution process.
Solution Approach 2:
Instead of having the driver in the center engaging material radially outward, the design inverts the arrangement by placing the driver at the periphery engaging material radially inward. This inversion maintains comminution effectiveness while dramatically improving material loading convenience for large pieces.
3Device complexity
If a central driver design is used to control material rotation, then the grater structure is simplified, but the external dimensions increase to accommodate the central driver and material pieces
Solution Approach 1:
The central driver component is extracted and relocated to the periphery, allowing the receptacle to be optimized for compact external dimensions. The peripheral driver position eliminates the need for extended central clearance, enabling a more compact overall grater structure while maintaining full functionality.
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 allows for effective processing of larger pieces with minimal external dimensions, providing a good comminution result and easy cleaning, with adaptability to different materials through interchangeable drivers.
Implementation Method 1
a stamp can be inserted into the receptacle as a pressing stamp with a precise fit for the transmission of rotary forces
Implementation Method 2
a cutting disc arranged non-rotatably with respect to the housing... the receptacle is rotatably mounted within the housing about an axis of rotation... relative to the housing and thus to the cutting disc
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The grater (1) has a retainer (5) for grating the goods, and a cutting disk (3), where the retainer and cutting disk are rotatably stored relative to each other around a rotary axis (6), which runs through an inner space (7) of the retainer. An attachment (8) in the inner space of retainer and outside the rotary axis is rotationally fixed to the retainer. The attachment is dimensioned such that the attachment stretches over a common longitudinal extension of the retainer. A punching tool (9) is insertable into the inner space of the retainer.