Agricultural Conveyance Unit Auger Guide Stems
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Solution Overview
Problem
Agricultural products often get entangled or stuck on the lateral surface of teeth in hay balers, leading to tangles that prevent the correct operation of the system, requiring manual intervention and causing delays.
Innovation Solution
A conveyance unit with a main rotating shaft and teeth that face a central portion of the pick-up apparatus, accompanied by augers with auxiliary rotating shafts and screws, and interposed stems that facilitate the movement of products past the teeth, preventing entanglement by creating a staircase-like effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If augers are arranged behind the outer pick-up prongs to propel agricultural products toward the teeth, then the conveyance capability is improved, but the agricultural products strike the lateral surface of the first tooth and become entangled
Solution Approach 1:
A guide element is introduced as an intermediary component between the auger and the tooth. This guide element receives the agricultural product from the auger and directs it along its length toward the tooth, preventing the product from striking the lateral surface of the tooth and becoming entangled. The guide element acts as a mediator that transfers the product from the auger's discharge point to the tooth's inlet in a controlled manner.
2Productivity
If the transverse extension of the pick-up row is increased to reduce pick-up time, then productivity is improved, but there are no teeth behind the outer pick-up prongs to direct the products
Solution Approach 1:
The solution extends the conveyance system into a new spatial dimension by adding augers and guide elements behind the outer pick-up prongs. The augers are positioned coaxially with the rotation shaft and extend beyond the outermost pick-up prongs, creating a three-dimensional conveyance path that allows products from the extended pick-up width to be directed to appropriate teeth or the chamber inlet.
3Manufacturing precision
If teeth are arranged to correspond with the inlet dimension of the chamber, then the chamber inlet is properly utilized, but the transverse extension of the pick-up row must be limited
Solution Approach 1:
The pick-up and conveyance system is segmented into multiple functional zones: inner pick-up prongs with associated teeth for direct conveyance, outer pick-up prongs with augers for extended width pickup, and guide elements to direct products from the augers to the chamber inlet. This segmentation allows different portions of the system to perform specialized functions, enabling both wide pick-up and precise chamber inlet alignment.
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
Ensures optimal conveyance of agricultural products to the bale forming chamber, reducing the risk of tangles and maintaining high reliability and efficiency in operation while being cost-effective and safe.
Implementation Method 1
The auger (6) comprises an auxiliary rotating shaft (7), which faces the pick-up apparatus (2) and is contiguous and substantially coaxial to the main shaft (4), and a screw (8) wound around the shaft in order to propel towards the teeth (5) the agricultural products
Implementation Method 2
at least one series of stems (9), which are parallel to the auxiliary shaft (7) and interposed between the first turn of the screw (8) and the respective inner end (7a) of the auxiliary shaft (7), thus facilitating the movement of the agricultural products propelled by the auger towards the teeth
Data Source
AI summary
A unit for conveying agricultural products including a device (3) for conveying agricultural products picked up by an apparatus (2) toward an inlet to a chamber (102) of an agricultural machine (100). The device (3) includes a main rotating shaft (4) facing the apparatus (2) and a plurality of teeth (5), and an auger (6). The auger (6) includes an auxiliary rotating shaft (7) facing the apparatus (2) and contiguous and substantially coaxial to the main shaft (4). A screw (8) is wound around the auxiliary shaft (7) to push the agricultural products toward the teeth (5). Each stem of a series of stems (9) is interposed between a first surface (8a) of the screw (8) and an inner end (7a) of the auxiliary shaft (7), for facilitated movement of the agricultural products propelled by the auger (6) toward the teeth (5).


