Smart Trash Receptacle Bagging Mechanism with Thermal Sealing
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Solution Overview
Problem
Conventional smart trash receptacles lack an automatic bagging mechanism, relying on semi-automatic methods with inadequate sealing, insecure sealing, and low loading capacity, which are resource-intensive and inefficient.
Innovation Solution
A smart trash receptacle with a bagging mechanism featuring intersecting fixed edges and sliding pressing bars, driven by a motor and gear assembly, that uses a heat fusing device for sealing the trash bag, ensuring reliable and efficient automatic bagging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If drawstring trash bags are used with manual bagging, then the bagging process is simple to operate, but the consumable cost increases and resource conservation deteriorates
Solution Approach 1:
The patent replaces manual mechanical bagging operations with an automated heating and sealing system. The heating element (202) and pressing mechanism automatically seal the bag opening, eliminating the need for drawstrings and manual tying operations, thereby reducing consumable waste while maintaining ease of use.
Solution Approach 2:
The trash receptacle performs the bagging function automatically through its integrated heating and pressing mechanism. The system self-regulates the sealing process by applying heat and pressure to the bag material, eliminating the need for external manual intervention and reducing resource consumption associated with disposable drawstring bags.
2Extent of automation
If semi-automatic bagging with sealing tapes is used, then automation is partially achieved, but manual intervention remains required and sealing reliability deteriorates
Solution Approach 1:
The patent replaces mechanical tape-based sealing with a thermal sealing system. The heating element (202) melts and fuses the bag material directly, creating a more reliable seal compared to mechanical tape adhesion. This fully automated thermal process eliminates manual tape application while improving sealing consistency and water resistance.
Solution Approach 2:
The patent utilizes the phase transition of the bag material from solid to molten state and back to solid during the sealing process. The heating element (202) raises the temperature to melt the thermoplastic material, and the pressing mechanism maintains pressure during cooling, creating a strong, water-resistant seal that is more reliable than mechanical tape methods.
3Device complexity
If conventional bagging mechanisms are used, then the structure is simple, but loading capacity deteriorates and sealing security worsens
Solution Approach 1:
The pressing mechanism is divided into multiple pressing bars (204, 206, 208, 210) that can independently move and apply pressure to different portions of the bag opening. This segmentation allows for more uniform and secure sealing across the entire opening, improving sealing reliability while maintaining relatively simple individual component structures.
Solution Approach 2:
The patent introduces a vertical dimension to the sealing process by using a movable pressing mechanism that descends from above the bag opening. This top-down pressing approach, combined with the heating element, creates compression in the vertical direction that enhances seal security and allows for greater loading capacity without significantly increasing horizontal structural complexity.
4Device complexity
If manual trash bag gathering is used, then the mechanism is simple, but productivity deteriorates and time consumption increases
Solution Approach 1:
The trash receptacle automatically performs the entire bagging sequence including gathering, heating, and sealing without external intervention. The pressing bars (204, 206, 208, 210) automatically move to gather the bag opening, the heating element (202) automatically applies heat, and the system completes the sealing process, dramatically improving productivity while keeping the overall mechanism relatively simple.
Solution Approach 2:
The patent implements a continuous automated bagging process where the pressing bars gather the bag, the heating element seals it, and the system prepares for the next bag without interruption. This continuous operation eliminates the time-consuming manual steps of reaching in, gathering, and sealing bags, thereby significantly improving productivity while maintaining simple mechanical components.
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 provides a fully automatic, reliable, and efficient bagging process with improved sealing quality and increased loading capacity, reducing manual intervention and resource consumption.
Implementation Method 1
a heat fusing device (4) disposed within the main cover section (8) for sealing the trash bag
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The present invention discloses a bagging mechanism for trash bags and a smart trash receptacle. The bagging mechanism is disposed within a body of the trash receptacle. A first fixed edge and a second fixed edge intersecting the first fixed edge are provided at tops of internal surfaces of the body of the trash receptacle. The bagging mechanism includes a first pressing bar, which is able to slide along the second fixed edge to gather the open end of the trash bag onto the first fixed edge, and a second pressing bar, which is able to slide along the first fixed edge to gather the open end of the trash bag onto the second fixed edge. The first pressing bar and the second pressing bar are further able to work together to gather the trash bag to the intersection of the first fixed edge and the second fixed edge. In the vicinity of the intersection, a heat fusing device is disposed for heat fusing and sealing the trash bag. The bagging mechanism further includes driving means for driving the first pressing bar and the second pressing bar to move. With this arrangement, problems of conventional smart trash receptacles are incapable of automatically trash bagging in a simple and reliable way, or are only capable of semi-automatic trash bagging, with insufficient bag sealing, insecure sealing and low loading capacity are solved.