Case Sealing Apparatus with Adjustable Tape Heads
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Solution Overview
Problem
Existing case sealing apparatuses face challenges in efficiently handling cases of varying sizes and widths, with limited flexibility in accommodating different dimensions and increased operational complexity during tape changes.
Innovation Solution
A case sealing apparatus with a frame structure and control system that includes moveable side conveying units and vertically adjustable tape head assemblies, allowing for multi-size case mode, case size lock mode, and tape change mode to accommodate various case sizes and facilitate easy tape replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the side conveying units and upper tape head assembly are moved for each case to accommodate varying sizes, then adaptability is improved, but productivity decreases due to repeated positioning operations
Solution Approach 1:
The side conveying units and upper tape head assembly are designed to be dynamically adjustable between different operational states. The system transitions from a static fixed-position design to a dynamic system that can adapt its position based on case dimensions, enabling both multi-size accommodation and locked-position efficiency
Solution Approach 2:
The system changes the position parameter of the side conveying units and upper tape head assembly based on operational mode. In multi-size mode, positions are adjusted for each case; in locked-mode, positions remain fixed at predetermined settings, thereby optimizing throughput for consistent case sizes
2Productivity
If the lower tape head assembly remains in lowered position for continuous taping, then productivity is improved, but ease of operation worsens due to difficulty in tape replacement
Solution Approach 1:
The lower tape head assembly incorporates a movable design that transitions between a lowered operational position for continuous taping and a raised maintenance position for easy tape replacement. This dynamic positioning capability resolves the contradiction by enabling both continuous operation and convenient tape changes
Solution Approach 2:
The tape replacement function is extracted as a separate operational phase. The system raises the lower tape head assembly to a distinct maintenance position, separating the tape replacement operation from the continuous taping operation, thereby facilitating easier tape changes without compromising productivity
3Productivity
If the apparatus is designed for fixed case sizes, then productivity is improved through simplified operation, but adaptability worsens due to inability to handle varying dimensions
Solution Approach 1:
The side conveying units and upper tape head assembly are designed with multi-functionality to serve both fixed-position and adjustable-position operations. This universal design enables the same components to handle both simplified fixed-size operations and flexible multi-size operations, eliminating the need for separate specialized systems
Data Source
AI summary
A case sealing apparatus includes a frame structure including a case conveyance path extending from a case infeed station to a case outfeed station. First and second side conveying units extend between the infeed station and the outfeed station. The first and second side conveying units are moveable toward and away from the conveyance path for engaging opposite sides of cases to move cases of various widths from the infeed station toward the outfeed station. A lower tape head assembly is positioned along the conveyance path to apply tape to case bottoms. The lower tape head assembly is movable between a lowered position for taping and a raised position for changing tape. An upper tape head assembly is positioned along the conveyance path to apply tape to case tops. The upper tape head assembly is vertically movable to accommodate cases of various heights. A control system controls movement of the first and second side conveying unit, the upper tape head assembly and the lower tape head assembly. The control system includes one or more of a multi-size case mode, a case size lock mode and a tape change mode.