Honeycomb Board Punching Tool with Dual-Sided Cutting Lines
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Solution Overview
Problem
Die-cutting tools for honeycomb cardboard face significant challenges due to high mechanical strength, leading to excessive lateral forces that cause bending or deflection of cutting lines, compromising the cutting process and tool usability.
Innovation Solution
A die-cutting tool with upper and lower support plates and cutting lines on both sides, reducing line height and distributing cutting forces, allowing simultaneous cutting on both sides to enhance stability and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional single-sided die-cutting tool with high line height cutting lines is used, then the cutting depth can match the honeycomb board thickness, but the cutting lines are susceptible to lateral bending or deflection due to high lateral forces
Solution Approach 1:
The cutting process is segmented into two independent actions: an upper cutting line cutting from the top surface and a lower cutting line cutting from the bottom surface. Each cutting line only needs to penetrate partially through the honeycomb board thickness, reducing the required line height and improving stability against lateral forces while still achieving complete separation when both cuts meet.
Solution Approach 2:
The cutting approach transitions from a single-sided vertical cut to a dual-sided approach, adding the dimension of bidirectional cutting. By introducing cutting action from both the top and bottom surfaces simultaneously, the system reduces the vertical travel distance (line height) of each individual cutting line while maintaining effective through-cutting capability.
2Manufacturing precision
If the line height of cutting lines is increased to achieve sufficient cutting depth, then the cutting can penetrate through the thick honeycomb board, but the cutting lines become more susceptible to lateral bending or deflection
Solution Approach 1:
The total cutting depth requirement is segmented between two cutting lines of reduced height. The upper cutting line achieves partial penetration from the top, and the lower cutting line achieves partial penetration from the bottom, with both depths being significantly less than the full board thickness, thereby reducing susceptibility to lateral forces.
Solution Approach 2:
Instead of extending cutting lines from one side through the entire thickness, the approach inverts to cutting from both sides simultaneously. This reverses the conventional single-direction cutting paradigm and achieves the same cutting depth effect with shorter, more stable cutting lines.
3Device complexity
If a single carrier plate with cutting lines is used, then the tool structure is simple, but the lateral forces during die-cutting can deflect or bend the cutting lines
Solution Approach 1:
The single carrier plate structure is segmented into two separate carrier plates (upper and lower), each holding its own cutting line. This segmentation allows each cutting line to be independently supported and positioned, reducing the impact of lateral forces on any single cutting line while maintaining overall tool functionality.
Solution Approach 2:
The tool structure transitions from a single-plane carrier plate to a dual-plane configuration with upper and lower carrier plates positioned on opposite sides of the workpiece. This spatial arrangement enables simultaneous cutting from both surfaces, improving cutting accuracy while distributing mechanical loads.
Data Source
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AI summary
A die-cutting tool (10) for die-cutting a sheet of honeycomb board is provided. The die-cutting tool (10) comprises an upper tool (100) including a first support plate (110) and at least one first cutting line (140) mounted in the first support plate (110) for cutting the sheet on its upper side; and a lower tool (200) comprising a second support plate (210) and at least one second cutting line (240) mounted in the second support plate (210) for cutting the sheet on its underside. Furthermore, a die-cutting machine is provided, configured to receive the die-cutting tool (10) and selectively move the two parts towards each other to cut a sheet of honeycomb board on both sides. The use of the die-cutting tool (10) for cutting a sheet of honeycomb board is also provided.Finally, a method for cutting a sheet of honeycomb cardboard is also provided, comprising cutting the sheet on the top side to produce at least one first cutting line in the sheet and cutting the sheet on the bottom side to produce at least one second cutting line in the sheet, wherein the at least one second cutting line is opposite the at least one first cutting line.