Combination Drill Bit With Quick-Change Driving and Hole Alignment
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Solution Overview
Problem
Existing combination drill and bit driver tools are inefficient due to the need for frequent tool changes, increased human error from using separate tools for different hole sizes, and potential worker safety risks, while one-size-fits-all tools fail to accommodate varying material dimensions and hardnesses effectively.
Innovation Solution
A combination drill bit with a cutting tip that acts as a bit driver, featuring flute portions with adjustable helix angles and sharpened cutting edges, a countersink cutting member, and a quick-release bit holder, designed to accommodate different materials and hole sizes, and standard cross-sectional dimensions for lumber, allowing for efficient material removal and secure engagement with a drive motor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If separate tools are used for drilling different sized holes, then each tool can be optimized for its specific function, but tool changes become time-intensive and increase human error
Solution Approach 1:
The patent combines multiple drill bits with different diameters into a single interchangeable bit system. The bit holder accepts multiple bits that can be quickly swapped, eliminating the need for separate drilling operations with different tools. This merging approach maintains precision across different hole sizes while reducing tool change time through standardized interfaces and quick-change mechanisms.
Solution Approach 2:
The bit holder device is designed as a universal tool that can accommodate multiple drill bits of varying diameters. This multi-functional system allows a single holder to perform the functions of what would traditionally require multiple separate drilling tools, thereby reducing tool change time while maintaining the precision capabilities needed for different hole sizes.
2Adaptability or versatility
If drill bits are frequently changed to create different hole sizes, then various hole diameters can be achieved, but the chance of worker injury increases
Solution Approach 1:
The universal bit holder system allows workers to achieve various hole sizes using a single standardized tool interface rather than frequently changing between multiple separate drill tools. This reduces the frequency of tool changes and associated handling operations, thereby decreasing the opportunity for worker injury while maintaining the ability to drill holes of different diameters.
Solution Approach 2:
The bit holder system is designed with self-retaining features and secure locking mechanisms that automatically hold drill bits in place during operation. This self-service design reduces the need for manual adjustment and frequent intervention, minimizing worker exposure to potential injury risks while still allowing for bit changes when different hole sizes are required.
3Loss of time
If one-size-fits-all combination tools are used, then tool changes are reduced, but the tools cannot cater to varying material dimensions and hardnesses effectively
Solution Approach 1:
The drill bit system is segmented into multiple interchangeable bits, each optimized for specific material types, hole diameters, or drilling conditions. Rather than using a single one-size-fits-all bit, workers can select and swap between segmented bits with varying diameters, flute configurations, and cutting geometries to match the specific material and application requirements, thereby maintaining adaptability while reducing tool change frequency through the standardized holder system.
Solution Approach 2:
The bit holder system incorporates dynamic selection capabilities, allowing workers to quickly swap between different drill bits based on real-time requirements for material hardness, hole size, or drilling depth. This dynamic adaptability enables the system to respond to varying material conditions without requiring complete tool changes, maintaining versatility while minimizing downtime through rapid bit interchange.
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 enables efficient drilling and fastening operations with reduced tool changes, improved alignment, and enhanced safety by allowing for customizable drill bit lengths and helix angles to suit various materials, while the quick-release bit holder ensures secure engagement, thus improving worker convenience and reducing human error.
Implementation Method 1
the flute portion includes a thread with a sharpened cutting edge in a helix for efficient material removal
Data Source
AI summary
A drill bit comprising: a tubular shaft having a cutting tip at a first end and a drive shank at a second end, wherein the drive shank is adapted to engage with a drive motor, and wherein the cutting tip comprises an axially protruding shape. A first flute portion positioned between the cutting tip and the drive shank, wherein the first flute portion includes a first thread with a first sharpened cutting edge in a first helix; and wherein the first end of the cutting tip has a point angle greater than 135 degrees, and the cutting tip includes a cutting surface that joins to the first thread, and wherein the cutting tip act as a bit driver and has a profile, when viewed axially from the first end has one shape type.