Method for manufacturing bamboo framework body
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Solution Overview
Problem
Existing bamboo frame manufacturing processes are inefficient, prone to alignment errors, and result in high defective rates due to manual weaving and uneven heating, which complicates the production of thick-section bamboo frames and increases production time.
Innovation Solution
A method involving bending a multilayer bamboo board into a U-shaped form, cutting it into units, and assembling with connecting rods to form a closed framework, utilizing microwave heating to prevent cracking and ensure uniform heating, and employing specialized machinery for efficient cutting and trimming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual weaving and traditional heating methods are used, then the manufacturing process is simple, but the production efficiency is low and working hours are long
Solution Approach 1:
The patent replaces manual weaving operations with automated bending machines that use microwave heating to soften bamboo boards, allowing them to be bent into U-shapes automatically. This substitution of mechanical/manual processes with automated systems directly increases production efficiency while reducing working hours, despite the added complexity of the bending and microwave heating equipment.
Solution Approach 2:
The patent changes the physical state of the bamboo board by applying microwave heating to soften the material, making it pliable for bending. This parameter change (from rigid to softened state) enables automated forming processes that are not feasible with traditional manual weaving, thereby improving productivity through more efficient material manipulation.
2Manufacturing precision
If traditional heat transfer heating is used, then the heating process is simple, but alignment errors occur and defective rate is high
Solution Approach 1:
The patent replaces traditional conductive heat transfer through dies with microwave radiation heating. This allows for more uniform and controllable heating of the bamboo board, preventing uneven softening that leads to alignment errors and defects during the bending process, thereby improving manufacturing precision.
Solution Approach 2:
The patent applies microwave heating to uniformly soften the bamboo board before bending occurs. This preliminary softening action ensures the material is uniformly pliable throughout, preventing alignment errors and defects during subsequent bending operations, thus improving manufacturing precision.
3Strength
If thick cross section bamboo frames are produced, then the product strength is improved, but uneven heating occurs and rebounding stress cannot be eliminated
Solution Approach 1:
The patent uses microwave heating instead of traditional conductive heating through dies. Microwave radiation penetrates the bamboo board more uniformly, even for thick cross-sections, preventing the uneven heating that occurs with traditional methods. This uniform heating eliminates rebounding stress while maintaining the strength benefits of thick cross-section frames.
Solution Approach 2:
The patent applies microwave heating as a preliminary softening step before bending thick bamboo boards. This uniform preliminary heating ensures the entire cross-section is evenly softened, preventing rebounding stress during and after bending, while allowing the production of strong thick-section frames without heating-related defects.
4Productivity
If multiple process steps are used for each bamboo frame, then the manufacturing quality can be controlled, but the production efficiency is reduced
Solution Approach 1:
The patent merges multiple traditional process steps (cutting, shaping, heating, bending) into an integrated automated bending machine that performs microwave heating and bending in one operation. This consolidation maintains quality control through automated precision while eliminating the time-consuming sequential steps of manual processes, thereby improving production efficiency.
Solution Approach 2:
The patent employs a multi-functional bending machine that combines microwave heating, uniform softening, and precise bending capabilities in a single device. This universal equipment performs multiple functions that previously required separate process steps and equipment, maintaining manufacturing precision while significantly improving production efficiency by reducing the number of discrete operations.
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
This method significantly reduces production time, increases efficiency, and improves product quality by standardizing the process, reducing machining errors, and effectively eliminating rebounding stress in the bamboo framework.
Implementation Method 1
Prior to bending, it needs to microwave heat and soften the multilayer bamboo board, to prevent the bamboo board from cracking during bending
Data Source
AI summary
The present invention relates to a method for manufacturing a bamboo framework body to solve the technical problem of low production efficiency of the existing bamboo framework body. The present invention has the first technical solution of bending a bamboo board into a U-shaped board, cutting the U-shaped board into several U-shaped units, and finally arranging a connecting rod at or close to an opening of the U-shaped unit to make into a bamboo framework body. The present invention has the second technical solution of gluing and stacking plural single bamboo boards and laminating them into a U-shaped board directly; cutting the U-shaped board into several U-shaped units; and finally arranging a connecting rod at or close to an opening of the U-shaped unit to make into a bamboo framework body.