Cutting Tool Label Recess Single Guide Surface
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Solution Overview
Problem
Existing cutting tools for labels in the beverages industry face issues with imprecise positioning of cutting knives leading to uneven wear and complex, costly designs, including the need for precise alignment of interlocking clamping strips and multi-part housings.
Innovation Solution
A cutting tool with a rotatable housing and a cutting element, where the cutting element is detachably arranged in a recess formed by multiple housing walls, using a single guide surface for stabilization and a deformable pressure piece for clamping, and an integrated spring element for loading, which simplifies the design and reduces costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cutting blades are mounted on a cutting rotor with interlocking clamping bars, then the cutting element can be held in place, but the device becomes complicated to handle and requires precise alignment of multiple components
Solution Approach 1:
The patent extracts the cutting element from a complex multi-component clamping system and secures it using a single simplified clamping arm that pivots about an axis. The cutting element is taken out of the intricate interlocking bar system and held by this single extracted component, reducing overall device complexity while maintaining holding reliability.
Solution Approach 2:
The clamping arm serves multiple functions: it holds the cutting element in place, guides its movement during cutting operation, and can be easily replaced when worn. This multi-functional design eliminates the need for separate alignment mechanisms and complex interlocking structures, resolving the contradiction between reliability and complexity.
2Manufacturing precision
If multiple guide surfaces are used to guide the load-bearing element, then the cutting element can be precisely positioned, but the housing design becomes complex and requires multiple parts
Solution Approach 1:
The patent extracts the guiding function from the housing structure itself and transfers it to the clamping arm. The clamping arm is given guide surfaces that directly guide the cutting element, eliminating the need for complex multi-surface housing structures. This extraction simplifies the housing while maintaining positioning precision.
Solution Approach 2:
The patent merges the clamping function and the guiding function into a single clamping arm component. Instead of having separate clamping mechanisms and guide structures, the clamping arm combines both functions, reducing the number of parts and simplifying the overall housing design while maintaining manufacturing precision.
3Reliability
If a multi-part housing design is used to accommodate complex clamping mechanisms, then the cutting element can be securely held, but the device becomes more costly to manufacture
Solution Approach 1:
The patent merges multiple housing functions into a single simplified housing structure. The clamping arm and its pivot mechanism replace complex multi-part assemblies, reducing the number of parts that need to be manufactured and assembled. This merging of functions directly reduces manufacturing cost while maintaining secure holding of the cutting element.
Solution Approach 2:
The patent segments the clamping mechanism into a modular clamping arm that can be independently manufactured and replaced. This segmentation allows for simpler, more cost-effective manufacturing of individual components rather than requiring precision manufacturing of complex multi-part assemblies, reducing overall manufacturing cost while maintaining reliability.
4Reliability
If interlocking clamping bars are used to clamp the cutting blade, then the cutting element can be held firmly, but the replacement time becomes considerable due to complex disassembly
Solution Approach 1:
The patent segments the clamping mechanism into a simple pivoting clamping arm that can be independently operated. This segmentation allows the cutting element to be quickly released by simply pivoting the clamping arm away, eliminating the need to disassemble complex interlocking structures. The firm clamping is maintained during operation, but replacement time is significantly reduced.
Solution Approach 2:
Instead of using interlocking bars that must be sequentially disassembled, the patent inverts the approach by using a single pivoting arm that can be quickly moved to release the cutting element. The clamping action is applied in one direction during operation, and released by simply reversing the pivot motion, eliminating complex disassembly procedures and reducing replacement time.
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 provides a cost-effective and simpler construction of the cutting tool, ensuring stable hold of the cutting element with reduced risk of jamming and easier maintenance, while maintaining precise cutting performance.
Implementation Method 1
a spring element which exerts a force on the load-bearing element in the same direction during operation of the cutting tool
Data Source
Figure 1~2
Figure 3~6
Figure 7~8
AI summary
The invention relates to a cutting tool (1), in particular for cutting labels, with a housing (2) rotatably arranged about an axis of rotation (X) and a cutting element (4) arranged on this housing (2), wherein this cutting element (4) has a cutting edge (6) which extends substantially in a direction parallel to the axis of rotation (X), and wherein this cutting element (4) is detachably arranged in a recess (14) of the housing (2) formed by several walls (2a, 2b, 2c) of the housing (2), with a load-bearing element (12) arranged in the recess (8) which loads the cutting element (4) in a load direction (P) during operation to hold the cutting element on the housing, and with a spring element (20).which exerts a force on the load body (12) in the load direction (P) during the operation of the cutting tool, and wherein a movement of the load body (12) in the load direction (P) is guided by a guide surface (F) and this guide surface extends in a plane (E) that is defined by a longitudinal direction (L) of the cutting element (4) and the load direction (P). According to the invention, the guide surface (F) is the only guide surface (F) extending in the plane (E) that guides the movement of the load body (12) in the load direction (P).