Rotating Pipe-Reducer Assembly for Accurate Dual-Side Riveting
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Solution Overview
Problem
The existing method of assembling pipes to a reducer is prone to inaccuracies due to manual riveting and requires manual turning, leading to inefficiencies and time consumption.
Innovation Solution
A pipe-assembling machine with a rotation device and assembling devices that pivotally mount the reducer and pipes, allowing for synchronized assembly of fastener elements to multiple connecting holes while ensuring fixed height positions and balanced force application, eliminating manual interference and rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual riveting is used to assemble pipes to a reducer, then the assembly process is simple, but the accuracy of riveting is low and errors are prone to happen
Solution Approach 1:
The patent replaces manual mechanical riveting operations with an automated riveting machine that performs the fastening operation. The machine includes a riveting tool positioned on a movable platform that can automatically insert and secure rivets into the connecting holes, eliminating manual interference and rotation while maintaining assembly simplicity.
Solution Approach 2:
The patent introduces a movable platform as an intermediary component that positions the riveting machine at different locations around the pipe-reducer assembly. This intermediary mechanism enables the riveting tool to access multiple connecting holes without requiring manual repositioning or rotation of the assembly, thereby improving riveting accuracy while keeping the overall system relatively simple.
2Productivity
If personnel manually turn the reducer over to access covered connecting holes, then all connecting holes can be riveted, but the process is time-consuming and inefficient
Solution Approach 1:
The patent employs a movable platform that can dynamically reposition the riveting machine around the pipe-reducer assembly. This dynamic positioning system allows the riveting tool to access connecting holes at different angles and locations without requiring manual rotation or repositioning of the heavy reducer, significantly improving assembly efficiency and eliminating time-consuming manual turning operations.
3Manufacturing precision
If rivet guns are held by hands to fasten rivets at different angles, then flexibility is maintained, but the angle of rivet guns is decided purely by personnel causing lower accuracy
Solution Approach 1:
The patent replaces manual control of rivet gun angles with an automated positioning system. The riveting machine on the movable platform is equipped with mechanisms that precisely control the angle and orientation of the riveting tool, ensuring accurate rivet insertion at the correct angles without relying on personnel judgment or manual skill.
Data Source
AI summary
A pipe-assembling machine configured to assemble two pipes to a reducer. The pipe-assembling machine comprises a table, a rotation device and two assembling devices both mounted at the table. The assembling devices are respectively disposed at two sides of the rotation device, which comprises a base and a rotationally-driving mechanism connected to and driving the base to rotate along an axial direction. Each assembling device has an assembling element being movably parallel to the table. The pipe-assembling machine is configured for allowing the reducer to be mounted on the base with the two pipes preliminarily mounted at two ends of it. The assembling devices are configured for assembling fastener elements to connecting holes of the pipes and the reducer through the assembling element to assemble the pipes to the reducer.