Combing Machine Nipper Plate Inclined Guide Surface
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Solution Overview
Problem
Existing combing machines face difficulties in accessibility to the nipper unit and combing cylinder, particularly when the lower tong plate is immovably mounted, and there is a lack of optimal visual monitoring of the material flow, making maintenance and cleaning challenging.
Innovation Solution
The design includes a rear guide surface that slopes at an angle ≥35° relative to the horizontal plane, improving accessibility to the tong unit and combing cylinder, with a lower nipper plate that has a bearing surface for precise attachment and spacer elements to adjust the distance between the nipper lip and combing cylinder, and guide webs to manage fiber material flow and prevent edge fiber loosening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the lower tong plate is immovably mounted to improve structural stability, then the structural stability is improved, but the accessibility to the tong unit and combing cylinder for maintenance and cleaning deteriorates
Solution Approach 1:
The lower tong plate is divided into a fixed portion (bearing surface) and a movable portion (tong plate proper). The movable portion can be tilted relative to the fixed portion, allowing maintenance access while the fixed portion remains stable for structural support.
Solution Approach 2:
The lower tong plate transitions from a completely fixed structure to a dynamically adjustable structure. The tong plate can be tilted between a horizontal working position and an inclined maintenance position, enabling easy access to the combing cylinder and tong unit while maintaining structural stability during operation.
2Device complexity
If the lower tong plate is horizontal to simplify structure, then the structural simplicity is improved, but the visual monitoring of material flow and accessibility deteriorates
Solution Approach 1:
The lower tong plate can be tilted to an inclined position (angle α ≥ 35°) to improve visual monitoring of material flow and accessibility for maintenance. During operation, it returns to a horizontal position for simplified material handling, thus balancing operational ease with structural simplicity.
3Manufacturing precision
If the distance between nipper lip and combing cylinder is reduced to improve combing quality, then the combing quality is improved, but the manufacturing precision and alignment difficulty increase
Solution Approach 1:
The distance between the nipper lip and combing cylinder is precisely controlled by adjusting the thickness of spacer elements. Different thicknesses of spacers allow fine-tuning of this critical parameter to optimize combing quality while simplifying the alignment process through mechanical adjustment rather than complex positioning mechanisms.
Data Source
Figure 1~2
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Figure 5~6
AI summary
The invention relates to a combing machine (1), comprising at least one combing unit (X1 - X16) for combing out fiber material (Z), which is fed to the combing unit in a conveying direction (F), wherein the combing unit has a nipper unit (10), which comprises a lower nipper plate (2) and an upper nipper plate (3) supported movably in relation to the lower nipper plate, and the lower nipper plate (2) has, on a top side thereof, a feed trough (19) with a feeding surface (ZF) arranged upstream, wherein a rotatably supported feed cylinder (9) protrudes into the feed trough, by means of which feed cylinder the fiber material (Z) is fed over a front guiding surface (VF) of a nipper lip (5) attached at the front end of the lower nipper plate (2), which front guiding surface follows the feed trough. In order to improve the accessibility to the top side of the lower nipper plate and of the combing cylinder rotatably supported below the nipper, according to the invention - as viewed against the conveying direction (F) of the fiber material (Z) - a rear guiding surface (HF) adjoins the feeding surface (ZF) to the feed trough (19), wherein the feeding surface (ZF) and the rear guiding surface (HF) form an obtuse angle ß and - as viewed in the conveying direction (F) of the fiber material (Z) - the rear guiding surface (HF) extends in a falling manner at an angle ɑ ≥ 35° in relation to a horizontal plane (E).