Nut Cracker with Adjustable Cracker Plates to Reduce Nut Meat Damage
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Solution Overview
Problem
Existing nut cracking technologies face challenges in efficiently cracking stone fruit nuts like pecan nuts with minimal breakage, as they often require delicate mechanical force balance to avoid damaging the nut meat, and current solutions do not adequately optimize the cracking process.
Innovation Solution
A nut cracker with adjustable cracker plates and a reciprocating drive mechanism that applies a side impact force, allowing for precise adjustment of the cracking space size and angle to apply a pure compressive force perpendicular to the nut's longitudinal axis, minimizing damage and optimizing nut meat recovery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If mechanical breaking force is applied to crack the nut shell, then the shell can be broken, but the nut meat may be damaged by shell fragments forced into it
Solution Approach 1:
The patent applies parameter changes by adjusting the angle of the cracker plates (between 45° and 90°) and the size of the cracking space to optimize the mechanical force application. By changing these geometric parameters, the system achieves effective shell cracking while controlling the force distribution to prevent shell fragments from being forced into the nut meat, thus resolving the contradiction between cracking effectiveness and nut meat protection.
Solution Approach 2:
The patent employs dynamics through the reciprocating motion of the movable cracker plate, which moves back and forth along a constrained path. This dynamic motion allows for controlled application and release of force, enabling the shell to be cracked effectively while the reciprocating action prevents excessive force from damaging the nut meat, thereby balancing cracking power with nut meat protection.
2Productivity
If advanced processes are used to improve nut recovery rates, then recovery efficiency increases, but the device complexity and optimization requirements increase
Solution Approach 1:
The patent uses dynamics through the reciprocating motion mechanism that automatically adjusts the cracking action. The movable plate's back-and-forth movement along a constrained path creates varying force applications that adapt to different nut sizes and positions, achieving high recovery rates without requiring complex electronic controls or multiple adjustment mechanisms, thus improving productivity while keeping device complexity manageable.
Solution Approach 2:
The patent applies parameter changes by making the cracker plate angles adjustable (45°-90°) and the cracking space variable through base adjustment. These geometric parameter changes allow the device to be optimized for different nut types and sizes, improving recovery rates through simple mechanical adjustments rather than complex systems, thereby enhancing productivity without proportionally increasing device complexity.
3Adaptability or versatility
If the cracking space size is fixed, then the device structure is simple, but it cannot accommodate nuts of varying sizes effectively
Solution Approach 1:
The patent employs dynamics through the adjustable base mechanism that allows the cracking space size to be modified. The base can be positioned at different locations along the slide, dynamically changing the distance between the fixed and movable plates. This dynamic adjustability enables the device to accommodate nuts of varying sizes while maintaining a relatively simple mechanical structure without requiring complex electronic controls or multiple interchangeable components.
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 effectively cracks nuts without damaging the nut meat, improving recovery rates by applying a consistent and controlled compressive force, ensuring that the nut meat remains intact while the shell is broken, thus enhancing the efficiency of the nut processing operation.
Implementation Method 1
applying a side impact force, allowing for precise adjustment of the cracking space size and angle to apply a pure compressive force perpendicular to the nut's longitudinal axis
Data Source
AI summary
A nut cracker (1) comprising a base (9) adjustably secured to a supporting surface (3), a set of cracker plates (6A, 6B) comprising a movable plate (6B) and fixed plate (6A) defining a cracking space (21) with a predeterminable size with an inlet and an outlet, the fixed plate (6A) being adjustably secured to the supporting surface (3) and the movable plate (6B) being adjustably secured to at least one slide (8) secured to the base (9), with angles of the fixed and movable plates (6A, 6B) relative to their support planes being adjustable between 45° and 90°, the base (9) being slidingly adjustable relative to the supporting surface (3) to adjust and set the mean size of the cracking space (21), the movable plate (6B) being driven by reciprocating drive means (14) which reciprocally moves the movable plate (6B) with respect to the fixed plate (6A) on the slide (8).