Shaft Transport System for Box Erecting and Glue Curing
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Solution Overview
Problem
Existing devices for erecting plane material blanks into boxes face issues such as misalignment of glued surfaces, surface markings, limited output due to curing time constraints, and manual clearing of stacked boxes, which compromise box quality and efficiency.
Innovation Solution
A device that guides stretched-out material blanks with prepared bending edges into a shaft where they are erected into hollow bodies, with transport elements holding the edges closed to maintain shape and prevent misalignment, allowing extended curing time and easy clearance, and featuring a plunger and belt system for controlled transport and erection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the box is held only by a plunger with a suction element during transfer, then the pressing device can be spaced apart, but the glued surfaces separate and quality is compromised
Solution Approach 1:
A shaft is introduced as an intermediary structure between the erecting device and the pressing device. The shaft provides continuous support for the box during transfer, preventing glued surface separation while enabling the pressing device to be positioned at a distance for optimized operation.
Solution Approach 2:
The shaft is designed to maintain box shape and support the box before it reaches the pressing device. This preliminary support action prevents alignment issues from occurring in the first place, rather than correcting them afterward.
2Ease of manufacture
If the box is moved in a sliding fashion on stationary elements, then the transfer is simple, but markings are produced on the outer surfaces due to restoring forces
Solution Approach 1:
The sliding mechanical contact system is replaced with a suspension system using suction elements. This substitution eliminates the friction and restoring forces that cause markings on the box surface while maintaining simple transfer operation.
3Productivity
If the plunger returns to home position after pressing, then the cycle can repeat, but output is limited by curing time requirements
Solution Approach 1:
The shaft enables continuous support and transport of multiple boxes simultaneously. While one box cures in the shaft, the plunger can immediately return and prepare the next box, creating continuous productive action rather than idle waiting time.
Solution Approach 2:
The system transitions from a single-position pressing approach to a multi-position shaft system. Multiple boxes can be at different stages of curing along the shaft's length, effectively multiplying the productive capacity without extending the basic cycle time.
4Productivity
If multiple boxes are stacked in a shaft, then output is multiplied, but boxes are glued to one another and manual clearing is required
Solution Approach 1:
The problematic friction contact between boxes and shaft walls is extracted/eliminated by using a suspension system. Suction elements hold boxes without mechanical contact, preventing adhesive bonding while allowing easy removal of boxes from the shaft.
5Stability of the object's composition
If significant friction occurs between boxes and shaft walls, then boxes are held in position, but markings and damages occur on sensitive materials
Solution Approach 1:
Mechanical friction-based positioning is replaced with a suction-based suspension system. The suction elements provide holding force without mechanical contact, eliminating friction-induced markings and damages while maintaining position stability.
Solution Approach 2:
The suction elements act as intermediaries between the shaft system and the boxes. They provide the necessary holding force while isolating the boxes from direct contact with the shaft walls, preventing harmful friction effects.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution ensures reliable alignment and stabilization of glued surfaces, prevents damage and marking, and increases output by allowing multiple hollow bodies to be processed without manual intervention, while maintaining box shape and facilitating easy shaft clearance.
Implementation Method 1
the box is only held on its inner side by the plunger with the aid of a suction element
Data Source
AI summary
The invention pertains to a device and a method for producing hollow bodies that are open on one side of predominantly plane material blanks by erecting and gluing their sides along prepared bending edges, wherein said device features a shaft that is arranged directly downstream of the erecting elements and accommodates the hollow bodies in order to cure the glued joints, and wherein the products are spaced apart from one another during their transport within the shaft. The transport device provided for this purpose preferably acts directly upon the glued edges or areas located adjacent thereto such that the glued joint is continuously stabilized during the curing process.