Cutter Roll with Axial Blade for Angled Fiber Cutting
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Solution Overview
Problem
Existing feed devices for reinforcing fiber materials struggle with reliable and efficient cutting, especially when cutting at angles other than parallel to the width direction, leading to waste and increased manufacturing costs due to the need for multiple cutter rolls with spiral blades and difficulty in maintaining blade edge height.
Innovation Solution
A feed device with a cutting mechanism featuring a cutter roll with a linearly formed blade portion, arranged at a predetermined angle to the pull-out direction, and a slide mechanism that displaces the cutter roll in the axial direction during cutting, ensuring complete and precise cutting of reinforcing fiber materials at various angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a cutter roll with a spiral blade portion is used to cut reinforcing fiber material at angles other than parallel to the width direction, then cutting capability at various angles is improved, but device complexity and manufacturing cost increase due to the need for multiple cutter rolls with different spiral configurations
Solution Approach 1:
The blade portion is segmented into multiple independent cutting edges arranged along the axial direction of the cutter roll. Each cutting edge can engage the reinforcing fiber material at different angular positions, enabling the single cutter roll to perform cutting operations at various angles without requiring multiple specialized cutter rolls.
Solution Approach 2:
The blade portion extends in the axial direction of the cutter roll, adding a dimensional aspect to the cutting mechanism. This axial arrangement of cutting edges allows the cutter roll to achieve angular versatility by rotating and positioning different cutting edges relative to the pull-out direction of the reinforcing fiber material, rather than requiring multiple rolls with different spiral configurations.
2Adaptability or versatility
If a cutter roll with a spiral blade portion is used, then cutting capability is improved, but ease of manufacture and maintenance deteriorate due to difficulty in maintaining blade edge height
Solution Approach 1:
The blade portion is divided into multiple separate cutting edges along the axial direction. This segmentation allows individual cutting edges to be independently maintained, replaced, or adjusted without affecting the entire blade structure, significantly simplifying maintenance operations compared to a continuous spiral blade.
Solution Approach 2:
Instead of forming a continuous spiral blade that requires complex regrinding to maintain uniform edge height, the invention uses discrete cutting edges arranged axially. This inverted approach transforms the maintenance problem from a complex continuous surface operation to a simpler discrete element operation, where each cutting edge can be independently serviced.
3Adaptability or versatility
If multiple cutter rolls with spiral blades are used to achieve different cutting angles, then adaptability is improved, but manufacturing cost increases
Solution Approach 1:
The single cutter roll with an axially arranged blade portion serves multiple cutting functions that would otherwise require several specialized cutter rolls. By rotating the cutter roll and positioning different cutting edges relative to the reinforcing fiber material pull-out direction, one universal cutter roll replaces multiple angle-specific cutter rolls, reducing manufacturing costs.
Solution Approach 2:
The invention merges the functions of multiple angle-specific cutter rolls into a single cutter roll by arranging multiple cutting edges axially. This consolidation combines what would have been separate manufacturing projects into one, reducing overall manufacturing cost while maintaining the capability to cut at various angles.
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
The solution enables reliable and stable cutting of reinforcing fiber materials at different angles, reducing waste and manufacturing costs by using a single cutter roll with a linear blade, which can be effectively maintained without the need for frequent replacements.
Implementation Method 1
a blade portion 31b protruding from a peripheral surface of the roll body 31a... the blade portion 31b is formed to extend in an axial direction of the roll body 31a... to cut the reinforcing fiber material
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A cutting mechanism (30) includes a cutter roll (31) and a rotational driving mechanism (34) for rotationally driving the cutter roll (31). The cutter roll (31) has a roll body (31 a) and a blade portion (31 b) protruding from a peripheral surface of the roll body (31 a). The blade portion (31 b) is formed at a same position on a circumference of the roll body (31 a) and extends in an axial direction of the roll body (31 a). The cutter roll (31) is arranged so that the axial direction is at a predetermined angle with respect to a pull-out direction of the reinforcing fiber material. The cutting mechanism (30) further includes a slide mechanism (35) that displaces the cutter roll (31) in the axial direction toward a side in the pull-out direction of the reinforcing fiber material at least when the reinforcing fiber material is cut.