Multi-Channel Material Scheduling With Independent Jig Return
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Solution Overview
Problem
The existing SMEMA standard protocol limits production efficiency by allowing only single-channel material transmission between upstream and downstream machines, requiring downstream machines to wait for processed clinker from upstream machines, which delays material availability.
Innovation Solution
A material scheduling method that utilizes multiple relays and channels to establish independent communication links between machines, allowing for simultaneous material transmission and jig return, thereby improving production efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single transmission channel is used between upstream and downstream machines, then the system structure remains simple, but production efficiency decreases due to material transmission bottlenecks
Solution Approach 1:
The patent divides the single material transmission channel into multiple independent transmission channels (first material transmission channel, second material transmission channel, etc.). Each channel can transmit materials independently and simultaneously, eliminating the bottleneck of single-channel transmission and improving overall production efficiency without requiring complex coordinated control
2Productivity
If the signal channel only transmits clinker signals, then the communication protocol remains simple, but material availability delays occur when downstream machines need more materials
Solution Approach 1:
The patent enables the signal channel to perform multiple functions: it can transmit both clinker signals and raw material signals through the same communication interface. This multi-functionality allows downstream machines to receive advance notifications about incoming materials through the existing SMEMA protocol framework, improving material availability without adding separate communication systems
Solution Approach 2:
The system transmits advance signals about incoming materials before the actual material arrival. Downstream machines receive notification signals in advance, allowing them to prepare for material reception and processing, thereby reducing wait times and improving material availability
3Loss of time
If materials are transmitted sequentially through a single channel, then the system configuration remains simple, but wait times increase affecting downstream production
Solution Approach 1:
The patent segments the material transmission process into parallel channels. Multiple material channels can transmit different materials simultaneously, and the jig return channel operates independently to return jigs without blocking material transmission. This parallelization dramatically reduces wait times for downstream machines
Data Source
AI summary
A material scheduling method applied in a first machine is illustrated. In response to a processing instruction, the first machine controls a first downstream relay of at least one material transmission channel to send a high-level signal to make the second machine close a first upstream relay according to the high-level signal. The first machine obtains material information according to a classification signal, and receives the materials transmitted by the second machine, and controls a mechanical arm to separate the materials from a jig that places the materials. The first machine transmits the jig to the second machine through a jig return channel in response to a return signal sent by the second machine, and processes the materials transmitted by any material transmission channel in response that the material information indicates that the materials are unprocessed.