Router Chip Collector Layout for Dust Capture at the Cutting Bit

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Conventional routers struggle with efficient collection and removal of wood chips and dust, as existing dust extraction systems often fail to capture all debris due to deflection back towards the cutting tool bit, and prior chip collection accessories are cumbersome, difficult to install, and not easily adjustable.

Innovation Solution

A router design featuring a chip collector mountable to the base portion with a collecting mouth facing the cutting tool bit and a collection chamber in fluid communication with a dust extraction conduit, allowing for effective capture and removal of chips and dust.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional dust extraction systems are used, then some debris can be removed, but chips deflect back towards the cutting tool bit resulting in inefficient collection

Engineering Contradiction:

Improvedebris collection efficiencyVSAvoidchip deflection towards cutting tool

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

A chip collector accessory is introduced as an intermediary component between the cutting tool bit and the dust extraction system. The collecting mouth positioned near the base aperture intercepts chips before they can deflect back towards the cutting tool, channeling them into the collection chamber where they are then removed by the vacuum source through the dust extraction conduit.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The chip collector extends the collection approach into a new spatial dimension by positioning the collecting mouth at the base aperture level, perpendicular to the traditional dust extraction path. This allows interception of chips at the point of ejection from the workpiece, capturing them before they follow the conventional deflection path back toward the cutting tool.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Productivity

If prior chip collection accessories are used, then chip collection is possible, but they are cumbersome, difficult to install, and not easily adjustable

Engineering Contradiction:

Improvechip collection capabilityVSAvoidinstallation and adjustment ease

Core Design Contradiction:

ProductivityVSEase of operation

Solution Approach 1:

The chip collector accessory is designed with dynamic mounting capabilities, allowing it to be easily attached and detached from the router base. The adjustable positioning features enable the collecting mouth to be oriented at different angles and positions to accommodate various routing tasks and workpiece configurations, making the system adaptable rather than fixed and cumbersome.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The chip collection system is segmented into separate functional components: the collecting mouth, the collection chamber, and the mounting interface. This modular design allows the accessory to be easily installed by attaching it to the router base, and adjusted by repositioning individual components without requiring complex assembly or additional tools.

Inventive Principle:

Principle #1Segmentation

3Productivity

If prior chip collectors are used, then some chip collection is achieved, but they require additional components or tools for mounting increasing complexity

Engineering Contradiction:

Improvechip collection functionVSAvoidmounting components and tools

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The chip collector accessory merges multiple functions into a single integrated component: the collecting mouth, collection chamber, and mounting interface are combined into one unit that attaches directly to the router base. This eliminates the need for separate mounting brackets, additional fasteners, or specialized installation tools, reducing overall system complexity while maintaining effective chip collection functionality.

Inventive Principle:

Principle #5Merging (Combining)

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 provides efficient and effective collection of wood chips and dust, preventing deflection back towards the cutting tool bit and improving operational safety and precision by maintaining a clear work area.

Implementation Method 1

a vacuum source configured to create a pressure difference to move chips from the collection chamber via the dust extraction conduit

Methodology Applied

Scientific EffectPressure difference: Pressure Gradient

Implementation Method 2

a chip collector accessory comprising a collecting mouth configured to face the router bit and configured to capture chips from the router bit and a collection chamber for receiving chips collected by the collecting mouth

Methodology Applied

Scientific EffectAirflow separation: Cyclone Separation

Data Source

PatentEP4506126A1A router and chip collector accessory therefor

Publication Date: 2025.02.12 BLACK & DECKER CORP

Figure 1
Figure 2a~2b
Figure 3a~3b

AI summary

A router comprises a housing and a motor mounted in the housing and operatively connected to a tool holder arranged to hold a cutting tool bit. The housing comprises a base portion with a base aperture arranged to receive the projecting cutting tool bit held in the tool holder. A dust extraction conduit is connectable to a vacuum source. A chip collector is mountable to the base portion comprising a collecting mouth facing the cutting tool bit and arranged to catch chips from the cutting tool bit and a collection chamber for receiving chips collected in the collecting mouth. The collection chamber is in fluid communication with the dust extraction conduit.