Linear Panel Assembly Machine for Furniture
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Solution Overview
Problem
Current industrial plants for mass-producing assembled furniture are complex, voluminous, and have low hourly production due to manual final assembly of panels, leading to inefficiencies in the production process.
Innovation Solution
A method and machine that linearly translate and orthogonally position individual panels to form a box-shaped casing, allowing for precise and quick assembly of furniture items like drawers, using movable supports and control units to align and fix panels via interlocks or external means, enabling high-output production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual final assembly of panels is used, then flexibility in assembly is maintained, but productivity and hourly production are reduced
Solution Approach 1:
The panels are equipped with self-aligning features such as guide edges, positioning pins, and complementary geometric shapes that enable them to automatically find their correct positions and orientations during the conveying process, eliminating the need for manual alignment and positioning operations
Solution Approach 2:
The patent replaces manual mechanical assembly operations with an automated conveying system that uses controlled linear movements, mechanical guides, and positioning mechanisms to automatically assemble panels into furniture items, thereby increasing productivity while maintaining assembly precision
2Ease of manufacture
If complex voluminous assembly stations are used, then complete assembly operations can be performed, but the machine size and complexity increase
Solution Approach 1:
The assembly process is divided into distinct sequential stages, with each conveying station performing a specific function (loading, positioning, assembling, fastening), allowing the system to achieve complete assembly capability through multiple simple specialized stations rather than one complex station
Solution Approach 2:
The patent transitions from vertical multi-level assembly stations to a horizontal linear conveying system, where assembly operations are distributed along the length of the conveyor line, reducing the vertical footprint and overall complexity of individual stations while maintaining complete assembly functionality
3Productivity
If sequential panel processing is used, then each panel can be individually processed, but the assembly speed and hourly output are limited
Solution Approach 1:
The patent implements a continuous conveying system where panels move continuously through multiple assembly stations without interruption, with each station performing its operation in sequence as panels pass by, eliminating idle time and maintaining continuous productive action throughout the assembly process
Solution Approach 2:
Panels are pre-positioned, pre-aligned, and pre-prepared at earlier conveying stations before reaching the final assembly point, allowing the main assembly operation to proceed rapidly without time-consuming adjustments or repositioning, thereby reducing overall processing time and increasing assembly speed
Data Source
AI summary
An improved method for producing via a machine an assembled furniture item such as a drawer or box-shaped enclosure from individual panels is described. The method has the steps ofholding a first and second panel so that these panels are spaced and parallel to each other;holding a third and fourth panel, in close proximity to the first and second panels, so that the third and fourth panels are spaced apart, parallel to each other, and on planes orthogonal to the lying planes of the first and second panels, andmoving the first and/or second panel and/or third and fourth panels so that the edges of the first, second, third and fourth panels contact each other forming the drawer or box-shaped enclosure.