Coplanar Conveyor Screening for High-Speed, Low-Damage Workpiece Handling
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Solution Overview
Problem
Existing methods for arranging disordered workpieces before assembly or processing cause damage due to violent collisions and are unsuitable for smaller pieces, lacking versatility and high-speed output.
Innovation Solution
A material handling device with co-planar conveying platforms and a screening mechanism that ensures smooth transition and high-speed output of workpieces with minimal damage, using differential speeds and screening assemblies to manage workpiece attitude and spacing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If vibration discs are used to screen or change the attitude of workpieces, then the workpieces can be arranged in an orderly manner, but violent collision and friction between workpieces will easily lead to damage
Solution Approach 1:
The patent uses a vibration disc to generate vibrational motion that facilitates the orderly arrangement of workpieces. The vibration causes workpieces to move and self-organize on the conveying platform without requiring violent collisions, thus achieving stable arrangement while minimizing damage through controlled vibrational energy.
2Productivity
If non-coplanar centrifugal discs are used, then workpieces can be conveyed, but the gap between discs makes them unsuitable for screening or attitude change of smaller workpieces
Solution Approach 1:
The patent transitions from a three-dimensional non-coplanar centrifugal disc structure to a two-dimensional coplanar conveying platform. This dimensional simplification eliminates the gap problem between discs, allowing the platform to effectively screen and change the attitude of smaller workpieces while maintaining conveying capability through planar motion.
3Reliability
If traditional screening mechanisms are used, then workpieces can be screened, but the process is slow and lacks high-speed output capability
Solution Approach 1:
The patent implements continuous screening and conveying operations on the coplanar platform, where workpieces are continuously fed, screened, and discharged without interruption. The vibration disc maintains constant vibrational motion to ensure continuous workpiece movement and arrangement, eliminating idle time and achieving both high screening reliability and high-speed output.
4Productivity
If the conveying speed is increased for high-speed output, then productivity improves, but workpiece damage from collision increases
Solution Approach 1:
The vibration disc provides controlled vibrational energy that enables high-speed conveying while minimizing harmful collisions. The vibration keeps workpieces in constant motion and prevents them from stacking or colliding violently during acceleration and deceleration, allowing high productivity to be achieved without increasing workpiece damage.
Data Source
AI summary
A material handling device (1), including: a conveying mechanism (10), the conveying mechanism comprising a first conveying platform (11) and a second conveying platform (12) that are coplanar and arranged side by side, the first conveying platform being provided with a feeding position (101), the second conveying platform being provided with a discharging position (102), the conveying speed of the second conveying platform being greater than the conveying speed of the first conveying platform; and a screening mechanism provided between the feeding position and the discharging position. The material handling device provided in the present application conveys workpieces by means of the first conveying platform and second conveying platform that are coplanar and arranged side by side.


