Dynamic Pusher Stroke Adjustment for Strapping Machine Efficiency
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Solution Overview
Problem
Traditional pusher systems for strapping machines have fixed horizontal and vertical moving distances, leading to inefficiencies as they cannot be adjusted to match the size of the working object, resulting in wasted time and reduced processing efficiency.
Innovation Solution
Incorporation of detectors and a controller in the pusher system to detect the rear edge and highest point of the working object, allowing the horizontal and vertical moving portions to adjust their positions dynamically, thereby shortening the moving distances and times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the horizontal moving portion moves between fixed positions P1 and P2 for a fixed distance, then the device structure is simple, but the moving time is wasted when working objects are smaller, reducing processing efficiency
Solution Approach 1:
The horizontal moving portion is transformed from a fixed-stroke mechanism to a dynamically adjustable system. The controller enables the horizontal moving portion to stop at any position along the guiding channel based on the detected length of the working object, rather than moving between fixed positions P1 and P2. This dynamic adjustment eliminates wasted moving time when processing smaller objects.
Solution Approach 2:
A detector is introduced to measure the length of the working object and provide feedback to the controller. The controller uses this feedback information to calculate and determine the optimal stopping position for the horizontal moving portion, ensuring it stops exactly where needed rather than following a predetermined fixed path. This closed-loop control system optimizes processing efficiency.
2Productivity
If the vertical moving portion moves between fixed upper and lower positions for a fixed height, then the device structure is simple, but the moving time is wasted when working objects are smaller, reducing processing efficiency
Solution Approach 1:
The vertical moving portion is transformed from a fixed-stroke mechanism to a dynamically adjustable system. The controller enables the vertical moving portion to stop at any height based on the detected dimensions of the working object, rather than moving between fixed upper and lower positions. This dynamic adjustment eliminates wasted moving time when processing smaller objects.
Solution Approach 2:
A detector is introduced to measure the height of the working object and provide feedback to the controller. The controller uses this feedback information to calculate and determine the optimal stopping position for the vertical moving portion, ensuring it stops exactly where needed rather than following a predetermined fixed path. This closed-loop control system optimizes processing efficiency.
3Ease of operation
If the horizontal moving distance is fixed at 1.5 m, then the device structure is simple, but invalid pushing process occurs when working objects are smaller, wasting time
Solution Approach 1:
The detector measures the actual length of each working object and provides feedback to the controller. The controller calculates the precise horizontal moving distance needed based on this feedback, ensuring the horizontal moving portion travels only the necessary distance to reach the pushing position. This eliminates invalid pushing processes that occur with fixed-distance systems when processing smaller objects.
Solution Approach 2:
The system dynamically changes the horizontal moving distance parameter based on the detected working object dimensions. Instead of maintaining a fixed 1.5 m stroke, the controller adjusts the moving distance parameter for each cycle to match the actual requirements, enabling the system to adapt to varying object sizes without manual reconfiguration.
Data Source
AI summary
The present invention includes a housing, multiple conveyors, and a driving system. The conveyors are provided for a working object to be moved on the conveyors. The driving system has a horizontal moving portion and a vertical moving portion. As the horizontal moving portion moves from the second position toward the first position, when a first detector detects a rear edge of the working object, a controller is able to stop the horizontal moving portion and to set an actual pushing position. Then, it can reset that the horizontal only can move between the actual pushing position and the second position for shortening a moving time and a moving distance of the horizontal moving portion. So, this invention can shorten the horizontal moving time of the horizontal moving portion. It can shorten the vertical moving time. Plus, it can increase the total processing efficiency.