Pipe Groover Roller Switching for Multi-Size Groove Formation
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Solution Overview
Problem
Existing pipe grooving machines require manual intervention, are limited to specific pipe sizes and materials, and necessitate manual roller swaps, lacking automation and flexibility.
Innovation Solution
A pipe groover with a base assembly, spindle plate, and multiple roller assemblies that automatically adjust to pipe dimensions, featuring an electric actuator and sensor system for semi-automated groove formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single set of intermeshing rollers is used for grooving, then the device structure is simple, but it can only accommodate specific pipe sizes and materials, reducing adaptability
Solution Approach 1:
The patent implements a roller library containing multiple sets of intermeshing rollers, each set configured for specific pipe sizes and materials. The system can selectively deploy appropriate roller sets based on the pipe being grooved, making a single machine capable of handling diverse pipe types that would otherwise require multiple dedicated machines.
Solution Approach 2:
The patent introduces automated roller selection and swapping mechanisms that dynamically change the roller configuration based on the pipe dimensions and material. This dynamic adaptability allows the system to transition between different grooving configurations without manual intervention, resolving the contradiction between structural simplicity and versatility.
2Device complexity
If manual roller swapping is required to accommodate different pipe sizes, then the device structure remains simple, but significant manual intervention and trial-and-error adjustments are needed, reducing productivity
Solution Approach 1:
The patent implements an automated roller selection system that self-determines the appropriate roller set based on pipe measurements taken by sensors. The system automatically positions and swaps rollers without requiring operator trial-and-error adjustments, eliminating manual intervention while maintaining operational efficiency.
Solution Approach 2:
The patent incorporates sensors that measure pipe dimensions and provide feedback to the control system. This feedback loop enables the system to automatically select the correct roller configuration and make precise adjustments, eliminating the trial-and-error process and significantly improving productivity.
3Force
If hydraulic power is used for roller actuation, then sufficient force is available for grooving, but the system requires significant manual intervention and complex hydraulic controls, reducing ease of operation
Solution Approach 1:
The patent replaces manual hydraulic control operations with an automated control system that uses sensors, processors, and automated actuators. The system electronically controls the roller actuation based on pipe measurements, eliminating the need for operators to manually manipulate hydraulic controls while maintaining the necessary actuation force through automated motor-driven mechanisms.
4Device complexity
If manual checking of pipe sizes is performed by an operator, then no additional equipment is needed, but the process requires significant human involvement and is time-consuming, reducing productivity
Solution Approach 1:
The patent replaces manual visual inspection and measurement with an automated optical or electronic sensor system. These sensors automatically measure pipe outer diameter, wall thickness, and other critical dimensions, instantly providing data to the control system for roller selection and grooving parameter optimization, eliminating time-consuming manual checking.
Solution Approach 2:
The measurement system operates autonomously as part of the automated workflow, continuously monitoring pipe dimensions and adjusting grooving parameters without human intervention. This self-service measurement capability seamlessly integrates into the grooving process, maintaining high productivity while eliminating manual inspection steps.
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
Facilitates semi-automated groove formation in various pipe sizes and materials with minimal user interaction, enhancing efficiency and flexibility.
Implementation Method 1
a pivot arm assembly configured to rotate with respect to the inner roller, the pivot arm assembly comprising a pivot arm and an outer roller coupled to the pivot arm, the pivot arm assembly comprising a pivot point proximate to a first end
Implementation Method 2
an actuator configured to move the roller into the pipe by pushing against the second end of the pivot arm assembly, a lever arm distance defined between a first contact point proximate to the outer roller and a second contact point proximate to the second end of the pivot arm assembly
Data Source
AI summary
A pipe groover can include a base assembly; a spindle plate secured to the base assembly but configured to rotate about an axis with respect to the base assembly; and a plurality of roller assemblies secured to the spindle plate, each of the roller assemblies including a pair of rollers configured to form a groove in a pipe proximate to an end of the pipe.