Rotary Arm Wrapping Machine With Collision Bumper
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Solution Overview
Problem
Existing wrapping machines lack the ability to safely and efficiently wrap goods of varying sizes and shapes, particularly when space constraints are present, as they often require moving the goods to a stationary machine and do not effectively manage interactions with external objects during the wrapping process.
Innovation Solution
A portable wrapping machine with a movable base and an inverted L-shaped wrapping arm that rotates about the goods, featuring a carriage with a roll of film and motorized movement, along with a bumper assembly to prevent collision with external objects, allowing for flexible wrapping of goods on pallets without needing to move the pallet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a stationary wrapping machine is used, then wrapping precision is maintained, but adaptability to different locations and goods arrangements is reduced
Solution Approach 1:
The wrapping machine transitions from a stationary configuration to a movable one with a base that can be repositioned. The wrapping arm is designed to rotate dynamically about the goods while the carriage moves vertically along the arm, enabling the machine to adapt to different locations and goods arrangements while maintaining wrapping precision through controlled motion.
Solution Approach 2:
The wrapping machine is designed with universal capabilities to handle various goods configurations. The movable base allows the machine to be positioned flexibly, the rotatable wrapping arm can accommodate different goods shapes and sizes, and the vertically movable carriage provides versatile wrapping coverage from top to bottom, making the machine suitable for multiple wrapping scenarios.
2Reliability
If the wrapping arm moves freely without collision detection, then wrapping speed is maintained, but safety and damage prevention deteriorate
Solution Approach 1:
The bumper assembly incorporates a collision detection mechanism that provides feedback when the wrapping arm approaches external objects. This feedback system allows the arm to stop or adjust its motion automatically, preventing collisions and damage while maintaining high wrapping speeds during normal operation. The feedback mechanism ensures safety without significantly impacting productivity.
3Adaptability or versatility
If the machine is designed to wrap from top to floor, then versatility in handling different goods is improved, but device complexity increases
Solution Approach 1:
The wrapping machine is divided into functional segments: a movable base for positioning, a rotatable wrapping arm for horizontal movement, and a vertically movable carriage for vertical wrapping motion. This segmentation allows each component to perform its specific function independently, achieving versatile top-to-floor wrapping capability while keeping the overall device complexity manageable through modular design.
Solution Approach 2:
The machine employs dynamic movement capabilities where the wrapping arm can rotate freely to wrap goods from top to bottom, and the carriage can move vertically along the arm. These dynamic motions enable the machine to handle various goods configurations without requiring complex fixed structures, thus improving versatility while controlling complexity through motion-based design.
Data Source
AI summary
A wrapping machine comprising a base and a wrapping arm connected to the base and configured to be movable relative to the base. The wrapping arm includes a carriage vertically movable on the wrapping arm, with the carriage having a roll of wrap film. The wrapping machine also includes a bumper assembly movable with the wrapping arm. The bumper assembly includes a bumper and an actuator, wherein engagement of the bumper with an external object will actuate the actuator to stop movement of the wrapping arm about the product. The wrapping arm can include side tubes connected by a connection tube, with the side tubes forming a link recess between the side tubes. Each of the side tubes includes an exteriorly facing slot, with the carriage riding on the side tubes along the slot. A link moves within the link recess to move the carriage.