Coplanar Driver for Inclined Magazine Feeding
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Solution Overview
Problem
The existing gas spring type driving tools with inclined magazine feeding mechanisms require extensive machining processes and high-cost materials due to the need for large plate thicknesses to accommodate inclined striking and engaging portions, leading to increased manufacturing costs.
Innovation Solution
A driving tool design featuring a driver with a planar striking portion and engaging portions that are coplanar, allowing for minimal machining allowance using a flat plate-shaped material, where the driver is manufactured with the striking portion and engaging portions cut from a flat plate, reducing the need for extensive machining and material thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the magazine is mounted at an angle to ensure compact arrangement, then the arrangement compactness is improved, but the driven members are shifted to one side and fed into the driving channel in an inclined position, requiring large plate thickness and many machining processes
Solution Approach 1:
The magazine is positioned asymmetrically at an angle relative to the driving axis, causing driven members to feed in an inclined position. The driver is designed with asymmetric engaging portions that accommodate this inclined feeding, allowing the striking portion and engaging portions to be coplanar while maintaining functional effectiveness.
Solution Approach 2:
The driver design transitions from traditional three-dimensional complex shaping to a planar two-dimensional configuration. By making the striking portion and engaging portions coplanar, the driver can be manufactured as a flat plate with minimal machining, reducing manufacturing complexity while maintaining the ability to handle inclined feeding from the angled magazine.
2Volume of moving object
If a large magazine is mounted on the left side around the driving axis, then the compact arrangement is improved, but the driven members are fed in an inclined position requiring large plate thickness
Solution Approach 1:
The asymmetric positioning of the magazine at an angle to the driving axis creates inclined feeding of driven members. The driver is designed with asymmetric engaging portions that match this feeding pattern, allowing coplanar striking and engaging portions to be achieved with minimal material thickness.
Solution Approach 2:
The driver design changes the geometric parameters by making the striking portion and engaging portions coplanar (same plane). This parameter change allows the driver to be manufactured from thin flat plate material with minimal machining allowance, reducing the material thickness requirement while maintaining functional performance with the angled magazine feeding.
3Adaptability or versatility
If the striking portion and engaging portions are inclined to each other due to inclined feeding, then the inclined feeding is accommodated, but many machining processes are required
Solution Approach 1:
The magazine is positioned asymmetrically at an angle, creating inclined feeding. The driver is designed with asymmetric engaging portions that match this feeding pattern, allowing the striking portion and engaging portions to be coplanar while maintaining the ability to accommodate inclined feeding effectively.
Solution Approach 2:
The design merges the striking portion and engaging portions into the same plane (coplanar configuration). This merging eliminates the need for separate machining operations for inclined surfaces, reducing the number of machining processes required while still accommodating the inclined feeding from the angled magazine through the spatial arrangement of engaging portions.
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
This approach reduces the cost of manufacturing the driver by allowing the use of a flat plate-shaped material with minimal machining allowance, simplifying the production process while maintaining efficient operation with inclined driven member feeding.
Implementation Method 1
The piston and driver move downward in a driving direction due to gas pressure in a pressure accumulation chamber
Implementation Method 2
the wheel successively engages with engaging portions of the driver. This causes the driver to return in the counter-driving direction
Data Source
AI summary
An engaging portion of a driver has an engaging portion front surface coplanar with a striking portion front surface and an engaging portion rear surface coplanar with a striking portion rear surface. The engaging portion has an engagement surface that is parallel to a rotation axis of a lifter.