Placement Head Guideway Alignment for Substrate Picking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing substrate equipping devices face limitations in increasing pick and place performance with minimal additional structural complexity.
Innovation Solution
The device employs two independently movable placement heads guided by a common guide system, with one placement head on a mobile first guideway and the other on stationary second guideways, allowing simultaneous pick-up and placement activities, and extending the pick-up area by aligning guideways for increased component handling capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single placement head is used on a guide arm, then the device structure remains simple, but the placement capacity and output are limited
Solution Approach 1:
The patent merges two placement heads into a single device, sharing common components such as the guide arm, guideways, and control system. This allows the device to achieve doubled placement capacity while avoiding the full structural complexity of two separate devices, as the placement heads share infrastructure and can operate from a unified component supply system.
Solution Approach 2:
The guide arm and guideways are designed to serve multiple functions: they support both placement heads, enable component transport, and provide alignment references. The stationary guide elements serve both as mechanical guides and as component storage locations, reducing the need for separate component supply systems for each placement head.
2Productivity
If the pick-up area is extended to increase component availability, then more components can be handled, but the device structure becomes more complex
Solution Approach 1:
The patent extends the pick-up area by utilizing the longitudinal dimension of the guide arm rather than expanding laterally. Components are arranged along the length of the guide arm in picking positions, allowing the placement head to access components at different longitudinal positions during its travel, effectively increasing capacity without adding lateral structural complexity.
Solution Approach 2:
Components are pre-positioned in picking positions along the guide arm path before the placement head arrives. The stationary guide elements hold components in advance at specific locations, so when the placement head passes by, components are already ready for pickup, eliminating the need for complex real-time component presentation mechanisms.
3Productivity
If two placement heads operate simultaneously, then output increases, but coordination and control complexity increases
Solution Approach 1:
The two placement heads operate in a continuous cycle where one head is picking components while the other is placing them, and vice versa. This continuous alternation ensures that both heads are constantly productive without idle time, maximizing output while using a coordinated control system that manages the rhythmic operation of both heads through a unified control architecture.
Data Source
Figure 1
Figure 2~3
AI summary
A device for placing electrical components onto a substrate (2) has at least one placement head (12) for handling the components. The placement head (12) is displaceable in a linear first guide track (11) of a guide arm (9), which is displaceable in a transverse direction (y) on a base body (3) of the device. The guide arm (9) is displaceable into a defined holding position. At least one substantially stationary guide element (14) is mounted in the line extension of the first guide track (11) of the guide arm (9) in the holding position. The placement head (12) is displaceable beyond the end of the guide arm (9) onto the guide element (14). In this additional displacement range of the placement head (12), for example, additional pick-up points (17) for components can be arranged, and the number of components provided simultaneously can be increased.