Endless Round Baler Belt with Ventilation Holes
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Solution Overview
Problem
Existing round balers experience material losses due to gaps between endless single press belts, and using a single wide press belt results in bulging and inadequate degassing of compressed goods, leading to inefficient bale compaction.
Innovation Solution
The implementation of an endless round bale press belt with ventilation holes distributed over its circumference, allowing for sufficient degassing of the material during the pressing process, which can be arranged in an ordered matrix, linear alignment, or freely distributed to optimize degassing and maintain belt rigidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a single wide press belt is used across the entire working width, then the number of press belts is reduced and gap losses are minimized, but gas formation of the pressed material cannot be adequately discharged causing bulging in the middle of the press belt
Solution Approach 1:
The press belt is equipped with ventilation holes distributed over its circumference, creating a porous structure that allows gas to escape during the pressing process. This resolves the contradiction by enabling adequate gas discharge while maintaining the single wide belt configuration that minimizes material loss.
Solution Approach 2:
The press belt is segmented into multiple parallel circumferential rows of ventilation holes, allowing gas to escape at multiple locations simultaneously. This segmentation of the ventilation function enables effective degassing across the entire width of the single press belt.
2Object-generated harmful factors
If ventilation holes are added to enable degassing, then gas formation is adequately discharged, but the transverse rigidity of the press belt may be weakened
Solution Approach 1:
The ventilation holes are distributed in specific patterns (ordered matrix or freely distributed) across different regions of the press belt, allowing optimized degassing while maintaining structural integrity. The local arrangement of holes balances ventilation needs with rigidity requirements.
Solution Approach 2:
The press belt consists of a composite structure with an outer rubber cover and an embedded reinforcement core, providing the necessary transverse rigidity even with ventilation holes present. The reinforcement core compensates for the potential weakening effect of the holes.
3Object-generated harmful factors
If several endless single press belts are arranged next to each other, then gas formation can be discharged, but gaps between individual belts cause material losses
Solution Approach 1:
Multiple separate press belts are merged into a single wide press belt with continuous rubber cover and embedded reinforcement, eliminating the gaps that cause material loss. The ventilation holes provide the necessary degassing function that previously required multiple separate belts.
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
This solution minimizes material losses, enables the use of fewer or a single press belt across the entire working width, reduces bale bulging, and maintains the wear-resistant rubber edge, while improving bale compaction and reducing soiling in the baler.
Implementation Method 1
The ventilation holes ensure sufficient degassing of the material to be pressed during the pressing process
Implementation Method 2
If the baling material is supplied to the round baler moist, at least a large proportion of the moisture can be dissipated through the ventilation holes during the pressing process
Data Source
Figure 1~2
Figure 3~4
AI summary
A round baler for agricultural use with at least one round baler belt (11) made of rubber or rubber-like materials with an embedded core consisting of a strong support, wherein the round baler belt (11) has ventilation bores (13) which are distributed around the circumference thereof and penetrate the round baler belt (11).