Screen Printing Device Guide Width Determination
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Solution Overview
Problem
In screen printing devices with automatic mask replacement functionality, improper adjustment of guide member intervals can lead to device troubles such as screen mask damage during transfer, as existing technologies do not adequately address the need for variable guide member intervals to accommodate different mask sizes.
Innovation Solution
A screen printing device with a printing work part, a mask storage part, a transfer device, and a guide width determination system that includes variable interval guide members and a photoelectric sensor to ensure proper alignment of guide member intervals before mask transfer, preventing collisions and damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the interval between guide members is fixed, then the device structure is simple, but it cannot accommodate screen masks of different sizes
Solution Approach 1:
The guide members are designed with movable structures that allow the interval between them to be dynamically adjusted according to the size of the screen mask being used. This enables the same guide member structure to accommodate multiple mask sizes without requiring completely different configurations.
Solution Approach 2:
The interval parameter of the guide members can be changed to match different mask widths. By adjusting this geometric parameter, the system adapts to various mask sizes while maintaining the same physical guide member components.
2Reliability
If the guide member interval is not properly adjusted, then the device operation is simple, but the screen mask may collide with guide members causing damage
Solution Approach 1:
The guide width determination device checks whether the guide member intervals are properly aligned before the screen mask transfer operation begins. This preliminary verification prevents collision damage by ensuring proper geometric alignment is established in advance.
Solution Approach 2:
The guide width determination device provides feedback about the alignment status of the guide members. This information can be used to adjust the guide member positions before mask transfer, ensuring that the interval matches the mask size and preventing collision damage.
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
Prevents device troubles by ensuring correct alignment of guide members, allowing for smooth mask transfer and replacement, thereby avoiding potential damage to masks and substrates.
Implementation Method 1
a guide width determination device that determines whether or not the interval between the pair of first guide members coincides with the interval between the pair of second guide members before the transfer of the screen mask by the transfer device is started
Data Source
AI summary
A screen printing device includes a printing work part; a mask storage part including a plurality of accommodating sections each capable of accommodating a screen mask; a transfer device that transfers the screen mask between each of the accommodating sections and the printing work part; a pair of first guide members that is disposed in the printing work part, and guides the screen mask during the transfer, the pair of first guide members having a variable interval; a pair of second guide members that is disposed in the accommodating sections, and guides the screen mask during the transfer; and a guide width determination device that determines whether or not the interval between the pair of first guide members coincides with the interval between the pair of second guide members.