Compact Cutter Head With Double Curved Surface Transmission
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Solution Overview
Problem
Traditional cutting devices for liquid crystal panels face issues with the large structure of cutter heads and support rollers, making it difficult to adjust levelness, leading to high probabilities of abnormal cutting, reduced quality, and decreased efficiency due to glass chips entering the cutter head, which damages the device and lowers production rates.
Innovation Solution
A compact cutter head design with a double curved surface member and transmission mechanisms, integrated into a protection case, allows for improved levelness and precision between the cutter wheel and roller wheel, driven by a single motor, reducing assembly complexity and preventing glass chips from entering the mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional separate driving mechanisms are used for cutter head and support roller, then the structure can be simple to manufacture, but the levelness between cutter wheel and support roller cannot be adjusted and the structure becomes huge
Solution Approach 1:
The patent combines the cutter head and support roller into a single integrated cutter head assembly that is driven by one motor. The cutter wheel and support roller are both mounted on the same cutter head and driven through a shared transmission mechanism, eliminating the need for separate driving mechanisms. This merging approach enables precise levelness adjustment between the cutter wheel and support roller while reducing overall structural complexity and size.
2Reliability
If traditional cutter head structure is used, then the components are easy to manufacture, but glass chips can enter the cutter head and damage the mechanism
Solution Approach 1:
The patent applies a protective cover that encloses the transmission mechanisms and internal components of the cutter head. This cover prevents glass chips generated during cutting from entering and damaging the cam mechanisms and other sensitive components. The protective cover is designed to be integrated with the cutter head structure, providing protection without significantly increasing complexity.
3Productivity
If separate motors and cams are used to drive cutter wheel and support roller, then the driving function is achieved, but the cost of the cutting device increases
Solution Approach 1:
The patent uses a single motor to drive both the cutter wheel and support roller through a shared transmission mechanism. The motor connects to a cam mechanism that simultaneously controls the rotation of both wheels, reducing the number of driving components from two motors to one. This reduces cost while maintaining the cutting efficiency and coordination between the cutter wheel and support roller.
4Manufacturing precision
If huge cutter head structure is used, then the components are robust, but adjustment of levelness becomes difficult and glass chips can easily enter
Solution Approach 1:
The patent segments the cutter head into modular components including the cutter wheel support, support roller support, transmission mechanism, and protective cover. This segmentation allows for compact arrangement of components while maintaining structural robustness. The modular design facilitates precise adjustment of levelness between the cutter wheel and support roller, and the compact size prevents glass chips from easily entering the mechanism.
Data Source
AI summary
A cutter head includes: a support platform; a double curved surface member mounted on the support platform and having a first curved surface and a second curved surface; a cutter wheel support member and a roller wheel support member moveably mounted on the support platform, respectively; a cutter wheel and a roller wheel mounted on the cutter wheel support member and the roller wheel support member, respectively; a first transmission mechanism mounted on the support platform, configured to be mated with the first curved surface, and connected to the cutter wheel support member, so as to transmit a movement of the double curved surface member to the cutter wheel; and a second transmission mechanism mounted on the support platform, configured to be mated with the second curved surface, and connected to the roller wheel support member, so as to transmit a movement of the double curved surface member to the roller wheel. The cutter head has a compact structure, and it improves the levelness of the cutter wheel and the roller wheel, and increases the mechanical precision.