Multi-Cartridge Tacker Magazine for Continuous Pipe Fastening
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Solution Overview
Problem
Existing tackers for underfloor heating systems face inefficiencies due to frequent interruptions caused by the need to refill magazines, which disrupt workflow and pose risks to the installed system.
Innovation Solution
A tacker with a carousel magazine that holds multiple strings of fasteners, allowing for continuous operation by rotating to a full cartridge without manual refilling, and featuring a loading unit and coil spring mechanism for efficient fastener delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single magazine is used for fasteners, then the device structure remains simple, but workflow interruptions occur frequently due to refilling needs
Solution Approach 1:
The magazine is divided into multiple cartridges, each capable of holding a string of fasteners. This segmentation allows the system to maintain multiple fastener supplies independently, enabling continuous operation by switching between cartridges when one is depleted, thereby reducing workflow interruptions while keeping each individual cartridge structure relatively simple.
Solution Approach 2:
The magazine structure is designed to accommodate multiple cartridges that can be rotated into position, making it capable of holding and accessing multiple strings of fasteners. This multi-functionality allows a single magazine assembly to serve the role of multiple individual magazines, improving productivity without requiring multiple separate magazine structures.
2Reliability
If manual refilling is performed, then device structure remains simple, but risk of damaging the underfloor heating system increases
Solution Approach 1:
The system incorporates an automatic feeding mechanism that uses a coil spring to propel fasteners from the cartridge toward the punch. This self-service mechanism eliminates the need for manual intervention during fastener delivery, reducing the risk of accidental damage to the underfloor heating system while the cartridge is being emptied or replaced.
Solution Approach 2:
The coil spring is pre-loaded to automatically advance fasteners toward the punch before they are needed. This preliminary action ensures that fasteners are ready for immediate use without requiring manual handling or positioning, thereby protecting the system from damage during the refilling process while maintaining a relatively simple overall device structure.
3Productivity
If multiple strings of fasteners are stored in the magazine, then workflow efficiency improves, but the magazine size and weight increase
Solution Approach 1:
Instead of storing all fasteners in a single large magazine, the system divides them into multiple smaller cartridges. Each cartridge can be individually managed and replaced, allowing the operator to carry and swap lightweight cartridges rather than handling one heavy magazine, thus maintaining operation continuity while managing weight more effectively.
Solution Approach 2:
The magazine incorporates a rotation mechanism that allows dynamic repositioning of cartridges. This dynamic capability enables the system to adapt to different working conditions and allows operators to access different cartridges as needed, improving operational efficiency without requiring all fasteners to be stored in a single static, heavy magazine structure.
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
Enhances workflow efficiency by minimizing interruptions and reducing the risk of damaging the underfloor heating system during refilling, while maintaining ergonomic operation.
Implementation Method 1
The magazine is further provided with a coil spring configured for propelling a fastener towards the punch
Data Source
Figure 1
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AI summary
A magazine for holding multiple fasteners and feeding a tacker for fixing pipes on a substructure with the multiple fasteners. The tacker has a loading unit for receiving a fastener from the magazine and a duct having a punch at its bottom section. The punch is configured for tacking the fastener on the substructure when the duct is moved downwards. The magazine has multiple cartridges each holding a stack of fasteners. The magazine is arranged in a carrousel-like radial configuration of cartridges. The cartridge has an opening at the bottom allowing a fastener to leave the cartridge. The cartridge can be positioned before the loading unit, thereby allowing the leaving fastener to enter the loading unit.