04 Concept Generation - Q-div-Engg-Exploration-2026-27-Odd/Repo-8 GitHub Wiki

4.1.Establishing functions

Establishing Function of the Automated Fruit-Cutting Machine Main Function: To automatically cut fruits into pieces using a conveyor belt, a fruit-detection sensor, and an automated cutting mechanism with minimal manual effort. Establishing Function in Box Format ESTABLISHING FUNCTION Automated Fruit-Cutting Machine Automatically transport, detect, position, cut, and collect fruits with minimal human intervention.

Functional Inputs and Outputs INPUTS Whole fruits • Electrical energy • Human command

MAIN FUNCTION Transport and automatically cut fruits using a sensor-controlled conveyor and cutting mechanism.

OUTPUTS Cut fruit pieces • Fruit waste or juice, if produced

Sub-functions

  1. Feed: Accept whole fruits at the input.
  2. Transport: Move fruits using the conveyor belt.
  3. Detect: Sense the presence of a fruit at the cutting position.
  4. Position: Stop and hold the fruit in the cutting zone.
  5. Cut: Move the blade downward to cut the fruit.
  6. Reset: Return the blade to its initial position.
  7. Discharge: Restart the conveyor and transfer cut pieces to the collection container.
  8. Control: Coordinate the sensor, conveyor motor, and cutting mechanism. Expected outcome: A compact, low-cost prototype that reduces manual effort, improves cutting consistency, and demonstrates basic automation in fruit processing.

  • Functional Decomposition Break down the fruit cutting machine into its core functional sub-systems. This allows engineering teams to brainstorm isolated mechanisms for each task: [Fruit Input / Hopper] ➔ [Positioning / Feeding] ➔ [Cutting Mechanism] ➔ [Discharge / Collection]

  • Concept Generation (Morphological Matrix) By combining different mechanical answers for each sub-system, engineers can map out several distinct machine concepts: Sub-System Option A (Mechanical Rotary) Option B (Linear/Reciprocating) Option C (Centrifugal / Pneumatic)

  1. Feeding Unit Gravity-fed Hopper Manual Pusher / Ram Automated Conveyor Belt
  2. Fruit Orientation V-shaped Guide Troughs Rotating Centralizing Slit Plate Centrifugal Drum Roller
  3. Actuation Power Electric AC Motor + Pulleys Pneumatic Cylinder Actuator High-torque DC Servo Motors
  4. Cutting Profile Rotating Interchangeable Discs Interlocking Grid Blade Net 3D Crosscut Blade Assembly Phase

Level 1: Sub-Functions

  1. Material Feeding & Handling • Receive Raw Material: Accept bulk fruit via a hopper, conveyor belt, or manual chute. • Transport/Feed Fruit: Guide or push fruit continuously toward the cutting chamber using gravity, augers, or feed rollers. • Align/Orient (Optional): Position asymmetric fruits uniformly for specialized cuts.

  2. Cutting & Processing • Slicing: Turn rotating or reciprocating blades to cut whole fruit into flat sections. • Dicing/Cubes (3D Cutting): Combine slicing knives, circular slitters (round knife sets), and crosscut knife assemblies to form cubic pieces. • Shredding/Julienne: Pass fruit through fine grid or comb-like blade arrays to create strips.

  3. Power & Drive Transmission • Generate Power: Convert electrical energy into mechanical rotation via an AC/DC motor (e.g., 1 HP or higher). • Transfer Motion: Transmit torque and adjust rotational speeds using gears, belts, pulleys, or direct drives.

  4. Discharge & Collection • Eject Cut Pieces: Force processed fruit out of the cutting chamber via centrifugal force or gravity drop. • Collect Output: Guide cut portions into external containers, bins, or downstream conveyor lines.

  5. Control & Safety Operations • Regulate Operation: Manage power state, cycle speed, and emergency stops via an operator control panel or PLC. • Ensure Safety: Implement mechanical guards, interlock switches on hoppers/doors, and overload circuit protection.

4.2. Function tree

4.3. Morphological chart

4.4 Generated Concepts

Design 1:

Design 2:

Design 3:

Design 4: