Bead-Apex Weighing Device with Independent Frame Support
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Solution Overview
Problem
The movement of a conveyor during weighing in existing tire processing systems can cause deviations in the measured weight of bead-apexes, affecting the accuracy of weight measurements.
Innovation Solution
An assembly comprising a weighing device with a horizontal weighing plane and a supply station with a parallel supply plane, where the bead-apex is transferred in-line and kept stationary during weighing, supported independently to minimize vibrations and ensure accurate measurement, along with transport devices for mechanical transfer and follow-up stations for further processing based on weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conveyor is used to transport bead-apexes during weighing, then productivity is improved, but measurement precision deteriorates due to movement-induced deviations
Solution Approach 1:
The system is divided into separate functional modules: a supply station for feeding bead-apexes, an independent weighing device for measurement, and a follow-up station for receiving measured items. This segmentation allows the weighing operation to be isolated from conveyor movements, enabling accurate measurement while maintaining overall system productivity.
Solution Approach 2:
An intermediate transfer mechanism is introduced between the supply station and weighing device. This intermediary component temporarily holds the bead-apex and transfers it to the weighing platform, allowing the weighing device to operate independently without being directly coupled to the moving conveyor, thus eliminating movement-induced measurement errors.
2Device complexity
If the weighing device is integrated with the assembly frame, then device complexity is reduced, but measurement precision deteriorates due to vibrations from other assembly components
Solution Approach 1:
The weighing device is extracted from the main assembly frame and supported on independent bases. This separation removes the weighing device from the source of vibrations generated by other assembly components, thereby improving measurement precision while maintaining reasonable structural integration through the use of independent support structures.
3Adaptability or versatility
If the weighing plane is not in line with the supply plane, then adaptability is improved, but manufacturing precision deteriorates due to complex transfer mechanisms
Solution Approach 1:
The supply plane and weighing plane are positioned at the same level (in line with each other), creating an equipotential condition for transfer. This eliminates the need for complex lifting or tilting mechanisms, simplifying the transfer mechanism while maintaining high positioning accuracy. The in-line configuration allows for straightforward horizontal transfer of bead-apexes between stations.
Data Source
AI summary
An assembly for processing bead-apexes includes a weighing device for measuring the weight of one of the bead-apexes and at least one station for supplying or receiving the bead-apexes to or from the weighing device in a supply direction or a discharge direction, respectively. The assembly further includes a frame for supporting the at least one station, wherein the weighing device has a weighing member for receiving and supporting one of the bead-apexes and a base member connected to and forming a base for the weighing member. The weighing device is arranged for measuring the weight of the one bead-apex on the weighing member, while the weighing member is arranged for keeping the one bead-apex stationary during the weighing, while the frame of the assembly and the base member of the weighing device are supported independently.