Detachable Cutting Head With Reference Surfaces For Filter Segment Feeding
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Solution Overview
Problem
Existing cutting heads for filter segment feeding machines require complex disassembly and reassembly for knife replacement, which complicates the process and interferes with the drive system, making it difficult to replace worn or damaged knives efficiently.
Innovation Solution
A detachable cutting head design with a housing featuring reference surfaces, positioning seatings, and lead-out channels allows for independent removal and replacement of knife shafts without affecting the drive system, and a drive apparatus with adjustable drive shafts ensures proper alignment and coupling with knife shafts, simplifying the replacement process and maintaining precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the cutting head housing is made detachable with separate knife units, then the ease of replacement of circular knives is improved, but the device complexity increases due to additional positioning seatings and reference surfaces
Solution Approach 1:
The cutting head is divided into separate knife units that can be independently removed and replaced. Each knife unit is a discrete component with its own positioning seating, allowing individual replacement without affecting other knives. This segmentation enables quick replacement of only the worn or damaged knife units while maintaining the overall cutting head structure.
Solution Approach 2:
The knife units are extracted as separate removable components from the cutting head housing. The positioning seatings are integrated into the housing to receive these extracted knife units, allowing them to be easily removed and replaced without dismantling the entire cutting head or affecting the drive system.
2Ease of operation
If the drive system is separated from the cutting head housing, then the ease of operation for knife replacement is improved, but the manufacturing precision may be affected by alignment requirements
Solution Approach 1:
Reference surfaces and positioning seatings act as intermediary elements between the detachable knife units and the cutting head housing. These intermediaries ensure precise alignment and positioning of the knife units relative to the housing and drive system, maintaining manufacturing precision while enabling easy replacement operations.
Solution Approach 2:
The positioning seatings are pre-configured in the housing with precise locations and orientations. The reference surfaces on the knife units are designed to mate with these pre-positioned seatings, ensuring that when the knife units are installed, they are automatically aligned to the correct positions without requiring complex adjustment procedures.
3Productivity
If multiple knife units are positioned in the housing, then the productivity of filter segment feeding is improved, but the device complexity increases due to multiple positioning seatings
Solution Approach 1:
The positioning seatings are designed as universal features in the housing that can accommodate multiple different knife units. Each seating is standardized to receive a knife unit with corresponding reference surfaces, allowing the same housing structure to support various configurations of knife units for different filter segment feeding requirements.
Data Source
AI summary
The object of the application is a detachable cutting head for an apparatus for feeding filter segments provided with a drum conveyor having flutes for crosswise movement of filter rods, provided with circular knives situated in knife units mounted in the housing of the head, characterized in that it comprises a housing of the head (8) provided with a reference surface (23) for positioning in the apparatus for feeding filter segments; seatings (20, 21) for positioning the knife units (10) and lead-out channels (25), knife units (10) with circular knives (6), whereas the positioning seatings (20, 21) are situated so that the circular knives (6) do not overlap. Furthermore, the object of the application is a drive apparatus of a cutting head and a method of coupling a cutting head.