Component Mounting Device Tape Discharge Mechanism
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Solution Overview
Problem
Existing electronic component mounting devices fail to effectively discharge remaining empty tape after cutting, leading to potential jamming or tangling, which prevents further discharge and disrupts the mounting process.
Innovation Solution
A component mounting device is configured with a tape driving section, a tape guide section, a tape cutting section, and a tape discharge section, equipped with sensors to detect the presence and trailing end of the tape, allowing for controlled cutting and discharge of the empty tape to prevent jamming and tangling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the empty tape is not discharged after cutting, then the tape guide section remains occupied with remaining empty tape, but this leads to jamming or tangling that prevents further discharge
Solution Approach 1:
The empty tape discharge process is segmented into distinct phases: cutting phase and discharge phase. The tape cutting section divides the empty tape into manageable segments, and the tape discharge section handles the removal of cut portions separately. This segmentation prevents the entire empty tape from causing jamming while allowing controlled discharge of individual segments.
Solution Approach 2:
The system performs preliminary cutting of the empty tape before attempting to discharge it. The tape cutting section pre-processes the empty tape by cutting it at appropriate positions, creating smaller, more manageable pieces that can be discharged without causing jamming or tangling in the tape guide section.
2Object-generated harmful factors
If a tape discharge section is added to discharge remaining empty tape, then jamming and tangling are reduced, but the device complexity increases
Solution Approach 1:
The tape cutting section and tape discharge section are merged into an integrated system where the cutting and discharge functions work together seamlessly. The cut portions generated by the cutting section are automatically handled by the discharge section, eliminating the need for separate, complex discharge mechanisms while reducing jamming and tangling issues.
Solution Approach 2:
The system uses the cut portions themselves as the discharge mechanism. The gravity-fed design allows cut portions to automatically move from the cutting position to the discharge position without requiring additional complex mechanisms. The system essentially discharges itself using the byproducts of its own cutting operation.
3Manufacturing precision
If sensors are used to detect tape presence and control discharge timing, then discharge precision is improved, but the device complexity increases
Solution Approach 1:
Optical sensors provide real-time feedback on the presence and position of the empty tape and cut portions. This feedback is used by the control system to automatically adjust the cutting and discharge operations, ensuring precise timing and positioning. The feedback mechanism enables the system to respond dynamically to the actual state of the tape processing.
Solution Approach 2:
The patent replaces complex mechanical sensing and control mechanisms with optical sensors and electronic control. Instead of using mechanical switches, levers, or complex mechanical timing devices, the system uses non-contact optical detection and electronic signal processing to achieve precise discharge timing with simpler overall system architecture.
Data Source
AI summary
A component mounting device described herein includes a tape driving section (a driving shaft motor, a front-side sprocket, a timing belt) feeding forward component tapes including components, a tape guide section guiding downward an empty tape that has no component as a result of suctioning with a suction nozzle, a tape cutting section disposed below the tape guide section and cutting the empty tape according to determination that the component tape has no component, and a tape discharge section disposed below the tape cutting section and discharging downward a cut part of the empty tape.