Tea Bruising Machine with Automatic Tossing Cage
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Solution Overview
Problem
Current oolong tea bruising machines, especially batch-rolling type, rely on manual assistance for loading and unloading tea leaves, making them incompatible with continuous production lines and lacking automation.
Innovation Solution
A tea-bruising machine with a rotating tossing cage, a locking assembly using elastic bead locks and an electromagnetic switch, and a drive and control mechanism that allows for automatic opening and closing of the tossing cage, enabling automated loading, unloading, and bruising processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If batch-rolling type bruising machines are used to ensure optimum tea quality, then manufacturing precision is improved, but device complexity increases and automation is reduced due to manual assistance requirements
Solution Approach 1:
The tossing cage is equipped with an automatic opening and closing mechanism that operates autonomously without manual assistance. The cage automatically opens to receive tea leaves from the feeding device and closes to perform bruising, then opens again for discharge, enabling the system to serve itself and eliminate manual intervention while maintaining quality
Solution Approach 2:
The tossing cage serves multiple functions: it receives tea leaves through automatic opening, performs bruising through rotation when closed, and discharges processed tea leaves through automatic opening again. This multi-functionality allows a single device to handle the entire bruising process automatically
2Manufacturing precision
If batch-rolling type bruising machines are used to ensure optimum tea quality, then manufacturing precision is improved, but productivity decreases due to manual operation requirements
Solution Approach 1:
The tossing cage operates continuously in a cyclic manner: opening to receive tea leaves, closing to bruise, rotating to mix, and opening to discharge. This continuous automatic operation eliminates idle time between manual interventions and maintains productive action throughout the process, significantly improving production efficiency
3Extent of automation
If automatic opening and closing mechanism is added to the tossing cage, then extent of automation is improved, but device complexity increases due to additional locking assembly components
Solution Approach 1:
The locking assembly uses an electromagnetic switch to replace complex mechanical locking mechanisms. The electromagnetic lock engages and disengages the tossing cage from the rotating door through electromagnetic force, controlled by a simple electrical signal from the controller, thereby achieving automation without proportionally increasing mechanical complexity
Solution Approach 2:
The controller serves as an intermediary between the electromagnetic switch and the tossing cage operation. It receives signals and automatically controls the electromagnetic lock engagement and the rotation driving device, simplifying the overall control architecture while achieving sophisticated automatic operation
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
The machine improves production efficiency by automating the tea bruising process, allowing for continuous and automated operation, enhancing the integration with other processing equipment and improving overall production efficiency.
Implementation Method 1
the locking assembly comprises an elastic bead lock and an electromagnetic switch, the elastic bead lock comprises an elastic lock body and a bead body which are disposed on the tossing cage and the rotating door respectively and coordinate with each other for locking the tossing cage with the rotating door, and the electromagnetic switch has a locking column for inserting into the limiting hole
Implementation Method 2
the drive and control mechanism comprises a rotation driving device and a controller, the rotation driving device is connected with the tossing cage for driving the tossing cage to rotate, and the controller is electrically connected with the rotation driving device
Data Source
AI summary
A leaf bruising machine and method for tea inluding frame, bruising basket, rotating door, locking assembly, and drive control mechanism. Bruising basket is rotatably disposed on frame, and has feed, discharge opening, and accommodating cavity. Rotating door is arranged at bruising basket outer side. Position limiting hole is provided on rotating door. Bruising basket rotates relative to rotating door. Rotating door blocks or opens feed and discharge opening. Locking assembly having spring-loaded ball latch and electromagnetic switch. Drive control mechanism comprises rotation drive device and controller. Rotation drive device is connected to bruising basket to drive bruising basket rotation. Leaf bruising machine bruises tea leaves. When feed and discharge opening is opened or sealed, bruising basket and rotating door is locked by electromagnetic switch and spring-loaded ball latch cooperation. Automated opening and closing of rotating door, and feeding, discharging, and bruising process control is enabled to improve efficiency.