Bale Opening Device With Rotating Arm Remover
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Solution Overview
Problem
Existing bale opening devices face inefficiencies due to wrapping material sticking to rollers, requiring the gripping mechanism to wait for removal before returning, and resulting in litter and space issues with removed materials.
Innovation Solution
A bale opening device with a supporting structure, clamping mechanism, and dual gripping means that allows for efficient wrapping material removal without waiting, using a cutting mechanism to prevent material spread and a removing mechanism that enables quick return of the gripping mechanism, minimizing sticking and space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the gripping mechanism pulls the wrapping material between the rollers, then the wrapping material is removed from the bale, but the gripping mechanism cannot return until the rollers have removed the wrapping material and opened, causing waiting time
Solution Approach 1:
The patent divides the wrapping material removal function into two independent systems: (1) the gripping mechanism that pulls material between rollers, and (2) the rotating arm with clearing means that removes material from rollers. This segmentation allows the gripping mechanism to return immediately after pulling material, while the rotating arm independently cleans the rollers, eliminating the waiting time that previously caused productivity loss.
Solution Approach 2:
The rotating arm with clearing means performs preliminary action by continuously or periodically removing wrapping material from the rollers before the gripping mechanism needs to return. This preliminary cleaning action ensures rollers are ready for the next pulling operation without requiring the gripping mechanism to wait, thus improving productivity.
2Ease of manufacture
If the wrapping material is stacked next to the opener, then the removed material is disposed of, but it creates a security risk and litters the free space near the opener
Solution Approach 1:
The patent extracts the wrapping material from the immediate vicinity of the opener by using the rotating arm to transport it to a collection container positioned away from the main operating area. This extraction eliminates the security risks and littering problems associated with stacking material next to the opener, while maintaining the simplicity of automated disposal.
Solution Approach 2:
The rotating arm acts as an intermediary mechanism that transfers wrapping material from the rollers to a collection container. This intermediary system resolves the conflict between simple disposal and safety concerns by providing a controlled transport path that removes hazardous material from the operational zone without requiring complex additional construction.
3Productivity
If the wrapping material sticks to the rollers, then the material is removed from the bale, but the sticking causes inefficiency of the bale opener
Solution Approach 1:
The rotating arm with clearing means provides self-service functionality by automatically removing stuck wrapping material from the rollers during or after the pulling operation. This self-cleaning mechanism ensures continuous efficient operation without manual intervention, maintaining high productivity while eliminating reliability issues caused by material sticking.
Data Source
AI summary
A bale opening device for opening bales wrapped and/or tied with wrapping material comprises a supporting structure for supporting the bale to be opened, and a gripping mechanism to grip the wrapping material, and again to pull it away from the bale. In addition, the device comprises a remover taking and gripping the wrapping material from the gripping mechanism. The remover is then actuated so as to remove the wrapping material from the bale and the gripping mechanism. The remover and the gripper are mutually arranged so to enable the gripping mechanism returning back towards the supporting structure essentially at the same when the remover is actuated to remove the wrapping material.