Rotary Transfer Position Correction for Pin-Hole Alignment
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Solution Overview
Problem
Existing rotary conveyance devices face issues with misalignment of positioning pins and receiving holes, leading to abrasion and difficulty in achieving accurate positioning, which complicates manual adjustments and increases maintenance frequency.
Innovation Solution
A rotary conveyance device with a control unit that detects and corrects the movement amount of a conveyance body based on the difference between initial and final stop positions, using gears and a motor to ensure precise alignment of the positioning unit and conveyance body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual position adjustment of the positioning pin and receiving hole is performed, then positioning accuracy can be improved, but the operation becomes complicated and time-consuming
Solution Approach 1:
The system performs automatic position adjustment using the control unit that detects stop positions and calculates correction amounts, eliminating the need for manual worker intervention. The positioning pin and receiving hole self-align through automated control based on detected position differences.
Solution Approach 2:
The control unit detects the actual stop position of the conveyance body, compares it with the target position, calculates the position difference, and uses this feedback information to automatically adjust the positioning pin or receiving hole position for accurate alignment.
2Adaptability or versatility
If manual position adjustment is performed frequently for product switching or setting changes, then adaptability is improved, but productivity decreases due to increased adjustment time
Solution Approach 1:
The system automatically detects position differences and performs adjustments without requiring worker intervention during product switching or setting changes, significantly reducing adjustment time and maintaining high productivity while adapting to different production conditions.
Solution Approach 2:
The positioning system dynamically adapts to different products and settings by automatically detecting position differences and adjusting the positioning pin or receiving hole position in real-time, enabling quick transitions between different production conditions.
3Ease of operation
If the positioning pin and receiving hole are misaligned, then ease of operation is maintained, but the receiving hole undergoes abrasion and reliability decreases
Solution Approach 1:
The control unit continuously monitors the stop position of the conveyance body and uses this feedback to detect misalignment between the positioning pin and receiving hole, automatically adjusting the position to prevent interference and abrasion during operation.
Solution Approach 2:
The system proactively detects potential misalignment before it causes damage and automatically adjusts the positioning elements to prevent interference between the positioning pin and receiving hole, avoiding abrasion and extending component life.
Data Source
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AI summary
A rotary conveyance device includes: a conveyance body that rotationally conveys a workpiece between a plurality of stations by moving in a rotation direction; a positioning unit that engages with the conveyance body at a stop position corresponding to the station and restrains the conveyance body in a horizontal direction; a motor that drives the conveyance body in the rotation direction; a drive mechanism that transmits power of the motor to the conveyance body; and a control unit that controls the positioning unit and the motor. The control unit detects a first stop position of the conveyance body stopped by the control of the motor and a second stop position of the conveyance body after the positioning unit engages with the conveyance body, and corrects a next movement amount of the conveyance body based on a difference between the second stop position and the first stop position.