Staggered Multi-Knife Fruit Slicer for Uniform Hard-Vegetable Cuts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Cutting and slicing vegetables, especially hard ones like tomatoes, raw potatoes, and raw carrots, requires time, skill, and effort with conventional knives, often resulting in uneven slices due to difficulty in maintaining uniform pressure and preventing knife obliqueness or curving.
Innovation Solution
A vegetable and fruit slicer with multiple sets of knives arranged in a stair or fan pattern, where each set maintains a constant lateral distance, ensuring even slicing and minimizing pressure, with an anvil part and hinge connection for stability and ease of use, and a cleanser for maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single knife is used for slicing, then the device structure is simple, but the slicing uniformity and stability deteriorate due to pressure application and knife deflection
Solution Approach 1:
The single knife is segmented into multiple knives (at least two) arranged in parallel. Each knife handles a portion of the cutting task, distributing the cutting forces and preventing any single knife from deflecting or applying excessive pressure. This segmentation directly improves slicing uniformity while the knives are mounted on a common carrier that maintains their relative positions.
Solution Approach 2:
Multiple knives are merged into a single functional unit mounted on a common carrier with a common anvil. The knives work simultaneously on different portions of the vegetable or fruit, combining their cutting actions to achieve uniform slicing across the entire product while maintaining a relatively simple overall device structure.
2Productivity
If multiple knives start cutting at the same time, then the cutting speed is high, but the slicing stability deteriorates due to excessive lateral pressure on the knives
Solution Approach 1:
The knives are arranged with staggered positions along the pushing direction, creating a periodic cutting action where knives engage the product sequentially rather than simultaneously. This periodic engagement distributes the cutting forces over time, reducing lateral pressure on each knife while maintaining high productivity through the combined action of multiple knives.
3Reliability
If excessive pressure is applied to cut through hard skin, then the cutting effectiveness is improved, but the slice uniformity deteriorates due to oblique or curved cuts
Solution Approach 1:
The cutting task is segmented across multiple knives, each applying moderate pressure to their respective portion of the product. This distributes the total cutting force required to penetrate hard skin, preventing any single knife from applying excessive pressure that would cause oblique or curved cuts, while still achieving effective cutting through the combined action.
Data Source
AI summary
A vegetable and fruit slicer for slicing vegetables and fruit comprising a knife part (1) and a cooperating anvil part (2). The knife part (1) comprises at least two sets of knives (3), where a set of knives (3) comprises at least two knives (4) arranged at predetermined lateral distances and predetermined level distances from each other forming a stair or a fan (3). Only one knife (4) of each set (3) is positioned at each level and the lateral distances between the knives (4) positioned at the same level are the same and constant for each level of knives (4). A method, wherein a first level of at least two knives (4) starts cutting the vegetable or fruit to be cut, followed by at least a second level of a preferably corresponding number of knives (4) and having the same internal distance in between the knives in every level.