Packaging Pouch Cutting with Self-Cleaning Knives and V-Shaped Bag Body
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Solution Overview
Problem
Conventional cutting devices for packaging bags suffer from impurity accumulation on cutting knives, leading to precision and efficiency issues, uneven cutting edges, and frequent tool cleaning or replacement, affecting production quality.
Innovation Solution
A packaging bag production device equipped with a support frame, cams, cutting knives, cleaning plates, and sliding frames, where cleaning plates and cleaning grids scrape off impurities during the cutting process, and a V-shaped bag body design to prevent paper breakage and improve aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional cutting devices are used for packaging bags, then cutting operations can be performed, but impurities accumulate on the cutting knives affecting precision and efficiency
Solution Approach 1:
The cleaning plate performs preliminary cleaning action on the cutting knife before each cutting operation. The cleaning plate is positioned to contact the cutting knife surface ahead of time, removing impurities in advance to prevent contamination during the cutting process, thereby maintaining cutting precision without requiring frequent stops for cleaning.
Solution Approach 2:
The cleaning system operates automatically as part of the cutting cycle itself. The cleaning plate is driven by the same motor that operates the cutting knife, and the cleaning action is integrated into the existing mechanical cycle. This self-service mechanism eliminates the need for separate manual cleaning operations, continuously maintaining cutting knife cleanliness and precision throughout production.
2Productivity
If cutting knives are used frequently without cleaning, then productivity is maintained, but cutting edges become uneven and burrs form
Solution Approach 1:
The cleaning plate continuously contacts the cutting knife throughout the entire cutting cycle, providing uninterrupted cleaning action. As the cutting knife rotates and performs cutting operations, the cleaning plate simultaneously removes impurities in a continuous manner, ensuring the cutting edge remains clean and sharp throughout production without interruption to the cutting process.
Solution Approach 2:
The cleaning function is merged with the cutting function into a single integrated system. The cleaning plate and cutting knife share the same drive mechanism and operational cycle, combining two previously separate functions (cutting and cleaning) into one unified process. This allows continuous productivity while maintaining cutting edge quality through simultaneous cleaning action.
3Object-generated harmful factors
If cleaning operations are performed manually on cutting knives, then impurity removal is achieved, but production time is lost and efficiency decreases
Solution Approach 1:
The cleaning system is fully automated and self-operating, eliminating the need for manual intervention. The cleaning plate is mechanically driven by the existing motor system and automatically performs cleaning actions during the cutting cycle without requiring operator involvement. This removes both the manual labor component and the associated production downtime for cleaning operations.
Solution Approach 2:
The cleaning action is performed in advance during the cutting cycle itself, preparing the cutting knife for the next cutting operation before impurities can accumulate to problematic levels. This preliminary cleaning prevents the need for separate post-cutting cleaning operations, eliminating production time loss while maintaining continuous impurity removal.
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
Ensures precise and efficient cutting by continuously cleaning the cutting knives, preventing impurity accumulation, and enhancing production quality and bag aesthetics by avoiding crease lines and adhesive failure.
Implementation Method 1
inner bottom wall of the sliding frames are fixedly connected to magnetic plates, outer top walls at another sides of the cleaning plates are fixedly connected to magnetic blocks
Data Source
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AI summary
A packaging bag and a production device thereof, comprising a workbench, an outer top wall of the workbench is fixedly connected to a support frame, an outer top wall of the support frame is installed with a motor, one end portion of an output shaft of the motor is connected to a rotating roller, the support frame is fixedly connected to a fixed plate, the fixed plate is provided with circular holes, inner walls of the circular holes are slidably connected to first support rods, outer top walls of the first support rods are fixedly connected to a pressing plate, outer bottom walls of the first support rods are installed with cutting knives, outer walls at both sides of the rotating roller are installed with cams, and outer walls at both sides of bottom end portions of the fixed plate are fixedly connected to side frames.