Sheet Metal Alignment via Segmented Transport and Vacuum Holding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sheet metal feeding systems for painting and printing machines lack precision and speed in aligning metal sheets, often resulting in suboptimal printing or painting results due to inadequate alignment accuracy.
Innovation Solution
A device with multiple circulating transport sections and alignment devices, including a rotating holding device, ensures precise alignment by using level transport routes and edge alignment stops, with vacuum or magnetic holding mechanisms to maintain sheet position and prevent misalignment during transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single transport section with front edge stop strand and gripper drum is used, then the device structure remains simple, but alignment accuracy is insufficient
Solution Approach 1:
The transport system is divided into multiple independent transport sections (first transport section with front edge stop strand, second transport section with gripper drum, and optionally third transport section with carriage). Each section performs a specific alignment function (rough alignment, fine alignment), allowing complex alignment tasks to be broken down into manageable stages that improve overall precision without overwhelming structural complexity.
Solution Approach 2:
The first transport section performs rough alignment of the front edges of sheet-like goods before they reach the second transport section. This preliminary alignment action prepares the goods for the subsequent fine alignment stage, ensuring that the goods are pre-positioned correctly to maximize the effectiveness of the final alignment operation.
2Productivity
If transport sections operate at high speed, then productivity increases, but alignment precision deteriorates due to insufficient transfer time
Solution Approach 1:
The multiple transport sections operate continuously and simultaneously at high speed. While the first transport section delivers goods at high speed for productivity, the second transport section continuously performs fine alignment during the transfer process. This continuous parallel operation maintains both high transport speed and high alignment precision without requiring slow transfer times.
3Loss of time
If goods are transferred quickly between transport sections, then cycle time decreases, but goods may jump or misalign during transfer
Solution Approach 1:
The second transport section acts as an intermediary between the first transport section (front edge stop strand) and the third transport section (carriage). It provides a controlled transition zone where goods are gradually transferred from one transport mechanism to another, preventing sudden movements that could cause jumping or misalignment while maintaining overall high-speed operation.
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 configuration achieves high-precision and high-speed alignment of sheet metal, ensuring smooth transfer and reproducible results by maintaining sheets flat and aligned throughout the process, significantly improving alignment accuracy compared to prior art.
Implementation Method 1
the holding device and/or at least one of the holding devices is a vacuum device and/or a magnetic device
Implementation Method 2
the holding device and/or at least one of the holding devices is a vacuum device and/or a magnetic device
Data Source
Figure 1
Figure 2~5
Figure 6
AI summary
The supplying device (1) has a circulating and uniform transport route (7) and a circulating adjusting device (8) for rough adjustment of goods. Another circulating and uniform transport route (20) has another circulating adjusting device (21), which is provided for fine adjustment of the goods. An independent claim is also included for a method for position precise supplying of tabular goods, particularly sheet-metal boards.