Removable Support Rod for Printer Cleaning Paper Roll
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Solution Overview
Problem
Solder paste residue on the stencil of solder paste printers can affect the printing quality of subsequent circuit boards, necessitating effective cleaning mechanisms.
Innovation Solution
A support rod system for a cleaning paper roll in solder paste printers, comprising a main body part with engagement and mating parts, allowing for removable connection to the printer and enabling rotation of the support rod.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cleaning paper roll is made removable for easy replacement, then the ease of operation is improved, but the device complexity increases due to the need for engagement and mating parts
Solution Approach 1:
The support rod is divided into multiple separable components: a first support rod portion, a second support rod portion, and a cleaning paper roll. This segmentation allows the cleaning paper roll to be independently removed and replaced without disturbing the printer's other components, while the engagement parts provide simple connection mechanisms that minimize overall structural complexity
Solution Approach 2:
The cleaning paper roll is extracted as a separate, removable component from the support rod assembly. The engagement parts (first engagement part on the first support rod portion, second engagement part on the second support rod portion) enable the cleaning paper roll to be easily detached and reattached, improving ease of operation without requiring complex removal mechanisms
2Adaptability or versatility
If the support rod allows rotation for cleaning paper feed, then the functionality is improved, but the stability of the support rod structure deteriorates
Solution Approach 1:
The support rod is designed with dynamic characteristics, allowing it to rotate about its longitudinal axis to feed the cleaning paper. The first and second engagement parts are positioned to maintain structural stability during rotation, providing anchor points that prevent excessive movement while enabling the necessary rotational motion for paper feed
3Manufacturing precision
If the engagement parts limit rotation of the main body part, then the manufacturing precision is improved, but the ease of operation deteriorates due to more complex engagement mechanisms
Solution Approach 1:
The engagement parts utilize asymmetric geometric features (protrusions and corresponding recesses) that provide precise rotational positioning when engaged. This asymmetric design ensures the cleaning paper roll is held at the correct orientation for printing operations, while the features are designed to engage through simple alignment and insertion, maintaining ease of operation
Data Source
AI summary
The present application provides a support rod for a cleaning paper roll of a printer, and a printer using the support rod, the support rod comprising: a first connecting part, a second connecting part and a main body part, the first connecting part being connected to a device; the second connecting part being connected to the device; the main body part being located between the first connecting part and the second connecting part in an axial direction of the support rod, and removably connected to the first connecting part and the second connecting part, so that the main body part can be connected to or separated from the device, wherein the support rod can be driven to rotate. The support rod in the present application can be conveniently removed without any need to move other components of the printer, thus facilitating replacement of the cleaning paper roll.