Dumpling Lower Folding Mechanism for Precise Sealing and Compact Forming
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Solution Overview
Problem
Existing dumpling forming apparatuses are complex, require large installation areas, have low production capacity, and often result in poor sealing, leading to dumpling filling leakage.
Innovation Solution
A dumpling forming lower folding device with a dumpling skin pressing unit, folding cam rail unit, and folding moving unit that includes dumpling skin folding parts, support and gathering fingers, and a folding rotation driving module to accurately fold and seal dumpling skins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a conventional dumpling folding device is used, then the folding operation can be performed, but the device structure is complex and occupies large space
Solution Approach 1:
The folding device is divided into two separate plates: a stationary plate with a stationary pressing portion and a movable plate with a movable pressing portion. This segmentation allows each plate to have a simple, flat structure while still achieving the folding function through their coordinated interaction, reducing individual plate complexity and overall device space requirements.
Solution Approach 2:
The folding function is achieved by merging the stationary pressing portion on one plate with the movable pressing portion on the other plate. When the movable plate moves relative to the stationary plate, the two pressing portions work together to fold the dumpling skin, combining simple individual structures into an effective folding mechanism.
2Productivity
If manual folding is used, then no device is needed, but the production efficiency is low and labor intensity is high
Solution Approach 1:
The movable plate can move relative to the stationary plate to bring the movable pressing portion into contact with the dumpling skin at the appropriate time and position. This dynamic adjustment enables automated high-speed folding operations while keeping the device structure simple and easy to clean, thereby improving productivity without excessive complexity.
Solution Approach 2:
The pressing portions on both plates are designed with curved surfaces that can adapt to different dumpling shapes and sizes. This universal design allows the same device structure to handle various dumpling types efficiently, improving productivity across different product variants while maintaining simple device architecture.
3Manufacturing precision
If the pressing portion contacts the filling, then folding force is applied, but filling may spill out
Solution Approach 1:
The pressing portions are designed with specific curved surface geometries that concentrate the folding force precisely at the skin edges where it is needed, while avoiding contact with the filling area. This localized force application achieves precise folding without causing filling spill, improving manufacturing precision while preventing harmful effects.
Solution Approach 2:
Instead of trying to contain the filling through complex structures, the design inverts the approach by designing pressing portions that naturally avoid the filling area through their curved geometry. The folding action is achieved by pressing the skin edges together in a manner that excludes the filling, preventing spill without additional containment mechanisms.
4Ease of operation
If multiple plates are used for folding, then folding function is achieved, but the device is difficult to clean and maintain
Solution Approach 1:
The device is segmented into two separable plates that can be easily removed and cleaned independently. Each plate has a simple flat structure with a pressing portion that can be wiped clean, avoiding complex multi-plate assemblies that are difficult to access and maintain, thereby improving ease of cleaning while preserving the folding function.
Solution Approach 2:
The folding function is merged into a single operational interface between two simple plates, eliminating the need for multiple complex plates. This merged design allows the entire folding mechanism to be cleaned by simply removing and washing the two plates, greatly improving maintenance ease while maintaining full folding functionality.
Data Source
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AI summary
Disclosed is a lower folding device for forming dumplings. The lower folding device for forming dumplings according to the present invention comprises: a dumpling skin pressing unit which includes a plurality of dumpling skin folding units that are simultaneously operated, and which drives the plurality of dumpling skin folding units at a preset position; a cam rail unit for folding which is arranged adjacent to the dumpling skin pressing unit and is connected to the dumpling skin pressing unit to move the dumpling skin folding units; and a movement unit for folding which is connected to the dumpling skin pressing unit and moves the dumpling skin pressing unit relative to the cam rail unit for folding.