Dough Cutting Station with Synchronized Chaser Assembly
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Solution Overview
Problem
Existing cutting stations for doughs are limited in precision and cause deformations at higher conveyor belt speeds, and are not versatile enough to handle different dough types and speeds effectively.
Innovation Solution
A cutting station with a motorized automatic chaser assembly and control unit that synchronizes the cutter's motion with the conveyor speed, allowing precise cutting at various speeds and accommodating different dough thicknesses and types, using articulated arms and brushless motors for precise control and interchangeable cutters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If reciprocating motion cutters are used for cutting dough, then cutting precision is maintained at low speeds, but productivity decreases due to limited operating speed
Solution Approach 1:
The cutter assembly is made dynamically adaptable through variable speed drive mechanisms and adjustable positioning systems that allow the cutter to synchronize with different conveyor speeds. This enables the system to maintain precision cutting characteristics across a wide range of operating speeds, resolving the contradiction between cutting precision and productivity.
2Productivity
If rotary cutting assemblies are used to increase conveyor speed, then productivity improves, but manufacturing precision deteriorates due to dough deformation
Solution Approach 1:
The system employs dynamic speed synchronization where the rotary cutter's rotational speed is continuously adjusted to match the conveyor belt speed through feedback control. This dynamic adaptation prevents dough deformation while maintaining high productivity, as the cutter engages the dough at optimal relative velocities regardless of the absolute conveyor speed.
Solution Approach 2:
A feedback control system monitors conveyor speed and adjusts the cutter assembly's rotational speed accordingly. This closed-loop control ensures that the cutter maintains the correct kinematic relationship with the moving dough, preventing deformation while enabling high-speed operation and thus resolving the contradiction between productivity and precision.
3Device complexity
If fixed-speed cutting systems are used, then device complexity is reduced, but adaptability decreases for different dough types and speeds
Solution Approach 1:
The cutting station is designed with universal components that can handle multiple dough types and speeds through programmable control and adjustable mechanisms. The system incorporates variable speed drives, adjustable cutter positions, and interchangeable cutter configurations that enable a single device to perform multiple cutting functions across different operating conditions, achieving versatility without proportionally increasing complexity.
Solution Approach 2:
The system enables adaptability through programmable parameter changes rather than physical reconfigurations. The control system stores and executes different cutting parameters (speed, position, depth, pattern) for various dough types, allowing rapid adaptation between different product specifications through software changes alone, thus maintaining low device complexity while achieving high adaptability.
Data Source
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AI summary
A cutting station (1) for doughs for food use, comprising a conveyor (A) for conveying at least one continuous element (B) constituted by dough for food use and at least one cutter (2) which faces the conveyor (A). The station (1) further comprises a fixed frame (3) which surmounts the conveyor (A), at least one motorized automatic chaser assembly (4), which supports the at least one cutter (2) and is coupled to the frame (3), and a control and management unit which is controlled by the conveyor (A) and is meant to control the at least one actuator of the at least one motorized automatic chaser assembly (4).