Packaging Frame Leg Placement for Maintenance Access
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Solution Overview
Problem
The existing weighing and packaging apparatuses have large frames with leg portions that restrict the movement of workers performing maintenance tasks, such as replacing the former and cleaning, due to the leg portions being erected to the height of the bag making and packaging machine, limiting the degree of freedom and safety during these operations.
Innovation Solution
The apparatus features a frame with movable leg portions that avoid a designated 'leg prohibited space' to allow greater freedom for maintenance, including a film transport mechanism, detachable former, and a sealing mechanism, with leg placement optimized to create a safe and accessible workspace, allowing workers to move freely and perform tasks without obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the frame includes leg portions erected to the height of the bag making and packaging machine to support the weighing unit, then the stability and support of the apparatus is improved, but the movement and freedom of workers performing maintenance tasks is restricted
Solution Approach 1:
The frame is segmented into multiple leg portions positioned at different locations. By strategically placing leg portions to avoid the leg prohibited space while maintaining structural support, the design separates the support function from the maintenance access area, allowing workers to move freely during maintenance without compromising apparatus stability.
2Ease of operation
If the leg portions are positioned to avoid the leg prohibited space, then the ease of maintenance operation is improved, but the structural complexity of the frame arrangement is increased
Solution Approach 1:
The movable portion including the former seat is designed to move within the maintenance mechanism movable space when the former is detached. This dynamic positioning allows the same space to serve dual purposes: maintaining structural support when the former is installed and providing maintenance access when the former is removed, reducing the need for complex frame reconfiguration.
Data Source
AI summary
A weighing and packaging apparatus (10) includes a packaging unit (14), a weighing unit (11), and a frame (70). The packaging unit (14) includes a film transport mechanism (30) that transports a film (F) in a film transport direction, a detachable former (22), a former seat (82) that supports the former (22), and a sealing mechanism (50). The weighing unit (11) is positioned on an upper side in a vertical direction of the packaging unit (14), and supplies articles (A) to be packaged to the packaging unit (14). The frame (70) supports at least the weighing unit (11), and includes legs including a first front leg (71a), a first back leg (71b), a second front leg (72a), and a second back leg (72b). A movable portion (89) including the former seat (82) moves in a maintenance mechanism movable space (PM) when the former (22) is detached. All of the legs are located so as to avoid a leg prohibited space (PP).