Rotary Worktable Layout for Continuous Thermal Spray Processing
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Solution Overview
Problem
Existing work processing apparatuses for thermal spray or clad processing face limitations due to restricted rotation and wiring entanglement issues, limiting the range of processing contents and types of work pieces that can be processed.
Innovation Solution
A work processing apparatus with a rotatable work table, a table displacement mechanism, and a control system that allows for independent drive source connection and disconnection, enabling continuous rotation and high-speed operation without considering wiring constraints, along with a weight holding tool for balance and adjustable centrifugal force, and input/output mechanisms for hydraulic, pneumatic, or electrical signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the work table is supported on a rotation base with X-axis and Y-axis sliders as in conventional laser processing apparatus, then the work table can be displaced in multiple directions, but the rotation base cannot continuously rotate in one direction due to wiring entanglement of motors in the sliders
Solution Approach 1:
The patent extracts the drive source (motor) from the rotating work table and places it on the stationary base. The motor drives the work table through a transmission mechanism (belt and pulley or gear system), separating the rotation function from the drive source. This allows continuous rotation without wiring entanglement issues, as the motor remains stationary while only the transmission components rotate with the work table.
2Speed
If the drive source is fixed to the rotating work table, then the work table can be driven, but wiring of the drive source becomes entangled during rotation limiting rotation speed and direction changes
Solution Approach 1:
The drive source is extracted from the rotating work table and positioned on the stationary base. A transmission mechanism (such as a belt-pulley system or gears) is used to transmit rotational force from the stationary motor to the rotating work table. This separation ensures that the motor and its wiring remain stationary, eliminating wiring entanglement issues and enabling high-speed continuous rotation in either direction.
Solution Approach 2:
A transmission mechanism acts as an intermediary between the stationary drive source and the rotating work table. This intermediary (belt, pulley, or gear system) transfers rotational motion and force without requiring the drive source itself to rotate, thus protecting the wiring from entanglement while maintaining reliable power transmission during high-speed rotation.
3Productivity
If the drive source displacement apparatus is always connected to the work table, then the work table can be displaced, but the apparatus complexity increases and high-speed rotation becomes difficult
Solution Approach 1:
The drive source displacement apparatus is designed to be dynamically connectable and disconnectable from the work table. During high-speed rotation phases, the displacement apparatus is disconnected to reduce complexity and allow unrestricted rotation. During positioning phases, the apparatus connects to enable precise displacement. This dynamic configuration optimizes both productivity and operational simplicity.
Data Source
AI summary
Provided is a work processing apparatus configured so that limitations on the contents of processing for a work piece or the type of work piece can be reduced and processing for a wider range of processing contents and work piece can be performed. In a work processing apparatus 100, a work table 101 is, through a table displacement mechanism 103, supported on a rotation base 120 to be rotatably driven by a table rotary drive motor 125, and a weight holding tool 110 is supported on the rotation base 120 through a weight displacement mechanism 114. The table displacement mechanism 103 includes a rack-and-pinion mechanism configured to displace the work table 101 in an X-axis direction as viewed in the figure. At the table displacement mechanism 103, a power inputter 108 configured to input drive force from a table displacement mechanism drive apparatus 130 is provided. The table displacement mechanism drive apparatus 130 is, by a drive source displacement apparatus 132, connected to or disconnected from the power inputter 108.