Tape Strapping Machine Opening Device for Continuous Loop Insertion
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Solution Overview
Problem
Existing strapping machines are limited by the need to terminate the strapping operation before a fresh tape loop can be inserted, reducing operating speed due to the design where the tape guide passage is not easily opened without displacing the C-shaped element, preventing continuous operation.
Innovation Solution
A movable cover element within the tape guide frame allows the tape guide passage to be opened without displacing the C-shaped element, enabling fresh tape insertion during the strapping process, with an ejector pushing the tape loop laterally into a parallel plane for tightening and closure, allowing continuous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the C-shaped element with the tape guide passage is moved to open the passage, then the tape guide passage can be opened, but the structure becomes complex and the operation time increases
Solution Approach 1:
The device is divided into two independent parts: the stationary C-shaped element containing the tape guide passage, and the separate movable cover element that opens and closes the passage. This segmentation allows the passage to be opened without moving the entire C-shaped element, simplifying the structure and enabling faster operation.
Solution Approach 2:
The cover element is extracted as a separate movable component from the C-shaped element. This allows the cover to be independently operated to open the tape guide passage, eliminating the need to move the entire C-shaped structure and reducing operational complexity.
2Productivity
If the tape guide passage is opened by moving the C-shaped element, then the passage can be accessed, but the processing time increases and continuous operation is prevented
Solution Approach 1:
The cover element is designed to open the tape guide passage in advance before the strapping operation is completely finished. This preliminary action allows the next tape loop to be prepared and inserted while the current loop is still being processed, enabling continuous operation and reducing idle time.
Solution Approach 2:
The rapid opening mechanism allows the tape guide passage to be reopened during the strapping process, enabling the formation and insertion of the next tape loop while the current loop is being tightened and closed. This continuous action eliminates idle time between operations and maintains continuous productive work.
3Productivity
If the cover element opens the narrow side of the tape guide passage, then fresh tape can be inserted during strapping, but the tape loop must issue laterally from the passage
Solution Approach 1:
The tape loop is guided to issue laterally from the tape guide passage in a direction perpendicular to the main tape feed direction. This dimensional change allows the loop to be formed and ejected sideways while fresh tape continues to be fed linearly into the passage, enabling simultaneous operations without interference.
Data Source
AI summary
An apparatus for strapping an article by means of a flat tape includes least one tape guide frame having a flat tape guide passage, and a tape drive for feeding the tape into the tape guide passage, wherein arranged at the tape guide frame is an opening device which opens a narrow side of the tape guide passage, and a method of strapping an article with such an apparatus. The opening device may include at least one cover element which is movably secured to the tape guide frame and which is movable from a closed position in which it covers the narrow side of the tape guide passage into an open position in which it opens the narrow side of the tape guide passage. In that way a fresh tape loop can be introduced into the tape guide passage before the welding operation is concluded.