Bonding Device With Guided Cloth Grooves for Tape Alignment
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Solution Overview
Problem
Current bonding devices, such as seam sealing machines, face challenges in maintaining bonding quality due to offsetting edges between fabrics and hot-melt tapes, and require cumbersome multi-step processes for double-layer fabric bonding, leading to reduced efficiency.
Innovation Solution
A bonding device comprising a cloth guiding-and-heating device, roll-pressing device, plate-pressing device, and hot air system, with specific guiding grooves and air passage control to ensure precise alignment and simultaneous bonding of both fabric layers and tape, improving efficiency and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional seam sealing machine uses a single rubber wheel to bond fabric and hot-melt tape, then the bonding process is simple, but the overlapping position of the fabric edge and hot-melt tape is prone to offset, resulting in decreased bonding quality
Solution Approach 1:
The bonding device is segmented into multiple functional components: a cloth guiding-and-heating device with spaced grooves for precise positioning, a roll-pressing device with upper and lower rubber wheels, a plate-pressing device, and a hot air device with multiple blowing pipes. This segmentation allows each component to perform its specific function optimally, ensuring the fabric edge and hot-melt tape maintain proper alignment during bonding.
Solution Approach 2:
The cloth guiding-and-heating device acts as an intermediary between the fabric/tape and the bonding mechanism. It includes a cloth guiding seat with a first cloth guiding groove, a material guiding groove, and a second cloth guiding groove that guide the fabric and tape into correct positions. The hot air device also serves as an intermediary by pre-heating the fabric and tape before they reach the bonding zone, ensuring optimal bonding conditions.
2Productivity
If manufacturers use multiple processing and bonding steps to bond double-layer fabrics to both sides of a tape, then each layer can be bonded separately, but the whole bonding process becomes cumbersome and work efficiency is greatly reduced
Solution Approach 1:
The device merges multiple bonding operations into a single integrated process. The cloth guiding-and-heating device positions both the first cloth and second cloth simultaneously on opposite sides of the hot-melt tape. The roll-pressing device with upper and lower rubber wheels then bonds both layers at the same time, eliminating the need for separate bonding steps and significantly improving work efficiency.
Solution Approach 2:
The bonding device is designed with multi-functionality to handle double-layer fabric bonding in one operation. The hot air device includes multiple blowing pipes that can heat different zones simultaneously. The roll-pressing device applies pressure uniformly to bond both fabric layers to the tape at the same time, making the equipment universal for various bonding configurations.
3Manufacturing precision
If a conventional bonding device uses basic heating and pressing, then the equipment is simple, but it cannot maintain proper alignment of fabric and tape during the bonding process
Solution Approach 1:
The cloth guiding-and-heating device performs preliminary positioning action before the actual bonding occurs. The first cloth guiding groove, material guiding groove, and second cloth guiding groove are designed to guide the fabric and hot-melt tape into correct positions in advance. The hot air device also performs preliminary heating to prepare the materials for bonding, ensuring they are ready for precise alignment and bonding.
Solution Approach 2:
The guiding mechanism uses local quality by providing different types of grooves for different materials. The cloth guiding groove is designed specifically for fabric, the material guiding groove for hot-melt tape, and the second cloth guiding groove for the second fabric layer. Each groove has specific dimensions and positions optimized for its intended material, ensuring precise local alignment.
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 device enhances bonding quality by maintaining fabric and tape alignment, allowing for single-step bonding of double-layer fabrics, improving operational efficiency and preventing tape breakage through controlled tension and heat application.
Implementation Method 1
A hot-melt tape is blown and heated through a hot air pipe
Implementation Method 2
a fabric and the hot-melt tape are bonded and connected after being rolled by a rubber wheel
Data Source
AI summary
A bonding device comprises a body, a cloth guiding-and-heating device, a roll-pressing device, a plate-pressing device, a hot air device, and a tape-delivering device. The cloth guiding-and-heating device, the roll-pressing device, the plate-pressing device, and the tape-delivering device are disposed on the body. The cloth guiding-and-heating device comprises a cloth guiding seat comprising a first cloth guiding groove having a first opening, a material guiding groove, and a second cloth guiding groove having a second opening. The first opening and the second opening face away from each other. The material guiding groove is configured to guide a tape. The cloth guiding seat is disposed with two blowing pipes in communication with the hot air device. The roll-pressing device is configured for roll-pressing and bonding clothes and the tape, and the plate-pressing device is configured for plate-pressing and bonding the clothes and the tape.