Segmented Mould Matrix for Quick Box Format Changes
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Solution Overview
Problem
Current box forming machines require significant time and effort to change formats, leading to long downtimes and reduced profitability, especially in short production runs or varied packaging needs.
Innovation Solution
A multiformat box forming machine with a storage unit, loader, adhesive substance supply, vertically displaceable inner mould, and exterior matrix, featuring segmented mould and matrix units that can move horizontally and be positioned automatically at the box's lower corners, along with pneumatic or electric actuation for folding and pressing flaps, and a format changing mechanism using motorized screws and C-shaped arms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If box forming machines use fixed format tools and parameters, then manufacturing precision is maintained, but adaptability to different box formats deteriorates
Solution Approach 1:
The mould and matrix are divided into four independent segments that can be horizontally displaced and positioned at different locations corresponding to the lower corners of different box formats. Each segment can be independently adjusted to accommodate various box dimensions, enabling quick format changes without complete tool replacement
Solution Approach 2:
The mould-matrix segments are made movable through motorized screw mechanisms that enable horizontal displacement along rails. This dynamic positioning capability allows the segments to be rapidly repositioned for different box formats, transforming the system from static to adaptive
2Productivity
If manual adjustment of mould and matrix segments is used, then device complexity is reduced, but productivity deteriorates due to long setup times
Solution Approach 1:
The system uses motorized screw mechanisms that automatically position the mould-matrix segments based on programmed parameters. The machine performs its own adjustment without manual intervention, reducing setup time while maintaining manageable complexity through standardized actuation mechanisms
Solution Approach 2:
Manual mechanical adjustment is replaced with motorized screw actuation systems. The motorized screws provide precise, automated control of segment positioning, eliminating manual labor and significantly reducing setup time while keeping the mechanical structure relatively simple
3Adaptability or versatility
If format changes require tool modification, then adaptability improves, but manufacturing precision deteriorates due to adjustment errors
Solution Approach 1:
The motorized screw mechanisms provide controlled, repeatable positioning of the mould-matrix segments. The automated actuation system ensures precise and consistent placement of segments at the correct positions, eliminating manual adjustment errors and maintaining manufacturing precision across different box formats
Data Source
AI summary
Multiformat box forming machine which comprises, at least, a storage unit (1) for die-cut cardboard sheets (2), a loader (3) for unit-by-unit dispensing of the die-cut sheets (2), means (4) for guiding and positioning the die-cut sheet (2), means (5) for supplying an adhesive substance on the die-cut cardboard sheet (2), a shaping unit (6) which comprises at least a vertically displaceable inner mould and an exterior matrix, and means (9) for discharging the formed box (10). The mould and the matrix of the shaping unit (6) are divided into four segments, respectively, which allow horizontal displacement and positioning thereof at the points which coincide with the lower corners of the box (10), it having been provided that each one of the units of mould-matrix segments move solidly joined together.