Shot Processing Device with Opposing Belt Rotation
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Solution Overview
Problem
Existing shot processing devices require the workpiece to be in a non-conveying state to project shot media, which limits the ability to process the workpiece in a rotation state without stopping conveyance.
Innovation Solution
A shot processing device with a guide portion, a rotation mechanism using an endless belt to move the workpiece in a direction opposite to the conveyance direction, and a conveyance mechanism that pushes the workpiece to roll and move in the conveyance direction, allowing shot media to be projected while the workpiece is rotating and being conveyed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the workpiece is stopped to project shot media, then the shot media can be projected accurately, but the conveyance process is interrupted and processing time increases
Solution Approach 1:
The invention transitions from a static projection system to a dynamic one where the workpiece continues moving during shot media projection. The projection device moves with the workpiece in the conveyance direction, enabling accurate projection without stopping the conveyance process, thus resolving the contradiction between projection accuracy and processing efficiency
Solution Approach 2:
The invention maintains continuous useful action by projecting shot media onto the workpiece while it is being conveyed, rather than stopping the conveyance to perform projection. This continuous processing eliminates interruptions and improves overall productivity while maintaining projection accuracy through coordinated movement
2Manufacturing precision
If the workpiece is rotated during conveyance, then uneven polishing is suppressed, but the conveyance mechanism becomes more complex
Solution Approach 1:
The invention merges the rotation function and conveyance function into a single integrated mechanism. The projection device is mounted on the conveyance mechanism and moves with it, combining the functions of conveyance and rotation projection into one unified system, thereby achieving uniform polishing without proportionally increasing device complexity
Solution Approach 2:
The conveyance mechanism is designed to perform multiple functions: it conveys the workpiece in the horizontal direction and simultaneously supports the projection device that rotates and projects shot media. This multi-functionality allows the system to achieve both conveyance and rotation-based uniform polishing without adding separate dedicated mechanisms
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 the projection of shot media onto a rotating workpiece without stopping its conveyance, improving processing efficiency and preventing uneven polishing.
Implementation Method 1
a first endless belt providing a placement surface having the workpiece placed thereon and a first drive unit driving the first endless belt so that the placement surface moves in a direction opposite to the conveyance direction
Implementation Method 2
a conveyance mechanism which pushes the workpiece toward the conveyance direction so that the workpiece on the placement surface rolls and moves in the conveyance direction along the guide portion
Implementation Method 3
at least one projector which projects shot media to the workpiece rolling and moving on the placement surface
Data Source
AI summary
A shot processing device according to an aspect includes: a guide portion provided in a conveyance direction of a workpiece; a rotation mechanism which includes a first endless belt providing a placement surface having the workpiece placed thereon and a first drive unit driving the first endless belt so that the placement surface moves in a direction opposite to the conveyance direction; a conveyance mechanism which pushes the workpiece toward the conveyance direction so that the workpiece on the placement surface rolls and moves in the conveyance direction along the guide portion; and at least one projector which projects shot media to the workpiece rolling and moving on the placement surface.