Printer Cutter Module Bidirectional Rotation Clutch Mechanism
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Solution Overview
Problem
Existing printing systems face challenges in efficiently cutting printing media, particularly when reversing direction, which can lead to damage or blockages due to the inability to rotate the cutter blade in the backward direction, resulting in incomplete cutting and potential substrate trapping.
Innovation Solution
A cutter module with a blade driving mechanism and rotary cutting blade that includes a clutch mechanism allowing selective rotation in both forward and backward directions, utilizing a coil spring and arm engagement structure to manage friction torque, enabling smooth cutting in the forward direction while ensuring the cutter module can safely move to a parking position when reversing, preventing substrate entrapment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the cutter blade is designed to rotate only in the forward direction, then the cutting mechanism is simple, but the cutter cannot reverse direction causing substrate trapping and blockages
Solution Approach 1:
The cutter blade rotation direction is made dynamic and adjustable through the clutch mechanism, allowing the system to switch between forward and backward rotation modes based on operational requirements, thereby achieving bidirectional adaptability without permanent structural complexity
Solution Approach 2:
The clutch mechanism enables the single cutter blade to perform multiple functions by rotating in both forward and backward directions, allowing the same component to handle both normal cutting operations and reverse operations for substrate release
2Reliability
If the cutter module reverses direction without backward rotation capability, then the mechanism remains simple, but incomplete cutting and substrate entrapment occur
Solution Approach 1:
The blade driving mechanism incorporates dynamic control through the clutch mechanism, enabling the cutter blade to rotate backward when needed to complete cutting operations and release substrates, thereby improving reliability without permanent structural complexity
Solution Approach 2:
The rotation direction parameter of the cutter blade is made changeable through the clutch mechanism, allowing the system to switch between forward and backward rotation to ensure complete cutting and substrate release based on operational conditions
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
Enables efficient cutting of printing media in both directions, preventing damage and blockages by allowing the cutter module to rotate in the backward direction, ensuring complete cutting and safe operation of the printing system.
Implementation Method 1
utilizing a coil spring and arm engagement structure to manage friction torque
Data Source
AI summary
Disclosed is a cutter module to be used with a printing apparatus. The cutter module comprises a blade driving mechanism; and a rotary cutting blade driven by the blade driving mechanism. The blade driving mechanism comprises: a clutch mechanism selectively to enable the blade driving mechanism to drive the rotary cutting blade in a forward cutting direction or a backward direction. Also disclosed is a printing system comprising the cutter module and a method to be used with the cutter module.