Suction Nozzle Engagement Detection for Component Mounting
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Solution Overview
Problem
Existing component mounting devices lack efficiency and practicality in component placement and nozzle exchange processes, leading to suboptimal cycle times and potential misalignment issues during component mounting operations.
Innovation Solution
Incorporation of a second raising and lowering device with a biasing member, an engaging member, and an actuator to precisely control the suction nozzle's position and engagement, along with an engaging position detecting section to enhance operational speed and ensure correct nozzle exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the actuator controls the load applied to the component by detecting the engaging position in advance, then the cycle time is reduced, but the device complexity increases due to the engaging position detecting section
Solution Approach 1:
The engaging position detecting section detects the engaging position of the engaging member with the engaged member on the suction nozzle before the actuator controls the load applied to the component. This preliminary detection allows the system to prepare for optimal load control, reducing the overall cycle time by eliminating trial-and-error adjustments during the mounting process.
Solution Approach 2:
The engaging position detecting section provides real-time feedback on the position of the engaging member, allowing the control device to adjust the actuator's load control accordingly. This feedback mechanism ensures precise load application while minimizing unnecessary movements and cycle time.
2Adaptability or versatility
If the suction nozzle is made exchangeable with respect to the nozzle holding tool, then the adaptability is improved, but the reliability decreases due to potential misalignment during exchange
Solution Approach 1:
The engaging position detecting section replaces manual alignment verification with automated optical or sensor-based detection. This substitution ensures that the engaging member aligns precisely with the engaged member on the suction nozzle during exchange, eliminating human error and ensuring reliable reattachment while maintaining exchangeability.
Solution Approach 2:
The engaging position detecting section enables the suction nozzle exchange process to self-correct and self-verify alignment automatically. When the engaging member is brought near the engaged member, the detection section guides the alignment and confirms proper engagement, allowing the system to perform its own quality verification without external intervention.
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
This configuration allows for faster component placement, improved cycle times, and accurate detection of nozzle engagement positions, ensuring correct nozzle exchange and reducing the risk of misalignment and damage during mounting operations.
Implementation Method 1
a biasing member configured to bias the suction nozzle in a retracting direction with respect to the nozzle holding tool
Data Source
Figure 1
Figure 2
Figure 3(a)~3(b)
AI summary
A component mounting device comprising a component mounting head that mounts a component on a board by using a first raising and lowering device to move nozzle holding tool 52 in an advancing direction towards a board, and a second raising and lowering device to move suction nozzle 50 in the advancing direction, wherein, the second raising and lowering device, by advancing engaging member 152 using actuator 154, causes engaging member 152 to engage with engaged member 90 of suction nozzle 50, and by further advancing engaging member 152 in a state with engaging member 152 engaged with engaged member 90, causes suction nozzle 50 to advance against a biasing force of biasing member 106, and, control device 32 is provided with an engaging position detecting section configured to cause the engaging member 152 to move in the advancing direction by using the actuator 154 of the second raising and lowering device and detect an engaging position that is a position in a vertical direction at which engaging member 152 engages with engaged member 90.