Driving Machine Guide Member Load Reduction via Damping Holder
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Solution Overview
Problem
The existing driving machine design transmits a load to the guide member via a wall portion, resulting in increased stress on the guide member in the direction of the center axis, which can lead to inefficiencies and potential damage.
Innovation Solution
Incorporating a holder in the housing that supports the guide member and interposing a first buffer, such as a vibration damping rubber, between the holder and the housing to absorb and distribute the load applied in the operational direction, thereby reducing the load on the guide member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the guide member is directly supported by the wall portion, then the structure is simple, but the load on the guide member in the direction of the center axis increases
Solution Approach 1:
The patent introduces a holder as an intermediary component between the wall portion and the guide member. The holder supports the guide member and distributes the load, preventing direct transmission of axial load to the guide member. This mediator structure reduces stress concentration on the guide member while maintaining overall structural integrity.
Solution Approach 2:
The support structure is segmented into multiple components: the wall portion, the holder, and the guide member. By dividing the support function across these separate components, the load path is redistributed, and the guide member is protected from direct axial loading while the holder bears the primary load.
2Object-affected harmful factors
If the damper absorbs the impact load, then the impact is reduced, but the load is transmitted to the guide member via the wall portion
Solution Approach 1:
The holder acts as a mediator between the damper and the guide member. When the damper absorbs impact load, the holder serves as an intermediate support that prevents direct transmission of this load to the guide member, thereby protecting the guide member from stress while still allowing the damper to perform its shock-absorbing function.
Solution Approach 2:
The load path is segmented so that the damper handles impact absorption while the holder handles support functions. This segmentation ensures that impact loads are absorbed by the damper and support loads are handled by the holder, preventing either component from being overloaded and avoiding transmission of harmful loads to the guide member.
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 configuration effectively reduces the load on the guide member in the direction of the center axis, enhancing the machine's operational efficiency and durability by distributing the impact and reducing the risk of damage.
Implementation Method 1
a first buffer interposed between the holder and the housing, and receiving a load applied to the holder in an operational direction of the operating member
Implementation Method 2
a first buffer interposed between the holder and the housing, such as a vibration damping rubber
Data Source
AI summary
There is provided a driving machine capable of reducing a load applied to a guide member in a direction of a center axis. The driving machine drives a fastener into a workpiece. The driving machine includes a movable piston, a driver blade operating together with the piston and applying driving force to the fastener, a cylinder guiding operation of the piston, a holder provided in a housing and supporting the cylinder, and a vibration damping rubber interposed between the holder and the housing and receiving a load applied to the holder in an operational direction of the piston.