Workpiece Cleaning Nozzle Layout for Seating Pads and Pin Holes
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Solution Overview
Problem
Conventional jet cleaning apparatuses are unable to effectively clean the portions where a seating pad contacts or a hole into which a pin is inserted, leading to potential foreign matter retention.
Innovation Solution
A cleaning apparatus and method that includes a table plate with a seating pad, a first nozzle for ejecting cleaning fluid onto the placing portion, a pin for insertion into a reference hole, and a second nozzle for cleaning the inside of the reference hole, along with a clamp and additional nozzles for cleaning the clamp portion, allowing comprehensive cleaning of these hard-to-reach areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a conventional jet cleaning apparatus uses a simple table structure with basic nozzles, then the device complexity is low, but the cleaning coverage is insufficient and cannot reach portions where the seating pad contacts or holes where pins are inserted
Solution Approach 1:
The cleaning apparatus divides the cleaning function into multiple segments: a first nozzle for cleaning the placing portion, a second nozzle for cleaning the reference hole, and a third nozzle for cleaning the clamp portion. Each nozzle is positioned to target specific areas, ensuring comprehensive cleaning coverage without requiring a single complex nozzle system.
Solution Approach 2:
The patent introduces intermediary components (multiple nozzles positioned at specific locations) to reach areas that cannot be cleaned directly by a single nozzle. The nozzles are arranged to clean hard-to-reach portions through coordinated positioning, acting as intermediaries to extend cleaning coverage to seated and clamped workpiece areas.
2Reliability
If the cleaning apparatus cleans all areas including where the seating pad contacts and pins are inserted, then the cleaning effectiveness is improved, but the device complexity increases due to multiple nozzles and positioning mechanisms
Solution Approach 1:
The cleaning function is segmented into three distinct nozzles, each responsible for a specific cleaning task: the first nozzle cleans the placing portion, the second nozzle cleans the reference hole, and the third nozzle cleans the clamp portion. This segmentation ensures reliable cleaning of all critical areas while keeping each nozzle's design relatively simple.
Solution Approach 2:
The nozzles are positioned in advance to clean specific areas before the workpiece is fully secured. The cleaning sequence is planned to address hard-to-reach areas (seating pad contact areas and pin holes) while the workpiece is still accessible, ensuring thorough cleaning before final clamping.
3Stability of the object's composition
If the workpiece is placed on the seating pad before cleaning, then the workpiece positioning is stable, but the seating pad contact portions and pin holes become inaccessible for cleaning
Solution Approach 1:
The cleaning operation is performed as a preliminary action before the workpiece is fully secured to the seating pad and clamped. The nozzles are positioned to clean the placing portion, reference hole, and clamp portion while the workpiece is still in an accessible state, ensuring that stable positioning and cleaning accessibility are both achieved.
Solution Approach 2:
The cleaning process is segmented into phases: first cleaning the placing portion before workpiece placement, then cleaning the reference hole and clamp portion during or after placement but before final securing. This segmentation allows the workpiece to be positioned stably while maintaining cleaning accessibility to all critical areas.
4Manufacturing precision
If multiple nozzles are added to clean hard-to-reach areas, then the cleaning thoroughness is improved, but the loss of time for the cleaning process increases
Solution Approach 1:
The cleaning process is segmented into three simultaneous or sequential nozzle operations, each targeting a specific area. This segmentation allows for efficient cleaning of all critical surfaces without requiring multiple separate cleaning cycles, reducing total processing time while maintaining thoroughness.
Solution Approach 2:
The multiple nozzles operate in a continuous coordinated sequence to clean all areas without interruption. The cleaning action continues seamlessly from one area to another, eliminating idle time between cleaning operations and maintaining high productivity despite the increased cleaning thoroughness.
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
Enables thorough cleaning of areas where the seating pad contacts and pins are inserted, ensuring that foreign matter is removed and the workpiece is properly sanitized.
Implementation Method 1
a first nozzle disposed on the table plate, the first nozzle configured to eject a cleaning fluid toward the placing portion
Implementation Method 2
a second nozzle disposed on the table plate, the second nozzle configured to eject the cleaning fluid toward inside of the reference hole
Implementation Method 3
a third nozzle configured to eject the cleaning fluid toward the clamp portion
Data Source
AI summary
Provided is a cleaning apparatus for cleaning a portion where a seating pad contacts or a hole into which a pin is inserted when a workpiece is placed. The cleaning apparatus for cleaning a workpiece having a placing portion and a reference hole, including: a table plate, a seating pad on which the workpiece is placed at the placing portion, a first nozzle that ejects a cleaning fluid, a pin inserted into the reference hole, and a second nozzle that ejects the cleaning fluid toward inside of the reference hole.