Wheel Machining Center Positioning Device with Cam Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In the automobile wheel production industry, the automation of wheel machining processes leads to inaccuracies in circumferential positioning due to offsets during the transfer and storage of wheels between machining sequences, resulting in a high rejection rate.
Innovation Solution
A material transferring and positioning device for a wheel machining center, equipped with a high-precision centering mechanism and a circumferentially automatic adjusting mechanism, utilizing a hydraulic cylinder brake, rotary cylinder, synchronous cam, and conical support to ensure precise radial and circumferential positioning of the wheel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the wheel is temporarily stored and transferred between machining sequences by robot, then the machining process can be automated, but the circumferential positioning accuracy deteriorates due to offsets during transfer and storage
Solution Approach 1:
The device performs preliminary positioning actions before the wheel enters the machining center. The positioning mechanism pre-adjusts the wheel's circumferential position using mechanical elements (positioning plate, positioning pin, cam mechanism) to compensate for potential offsets that will occur during automated transfer and storage operations.
Solution Approach 2:
A positioning device is introduced as an intermediary between the robot transfer system and the machining center. This intermediary mechanism (comprising positioning plate, positioning pin, cam, and spring elements) acts as a buffer to absorb and correct positioning errors, ensuring accurate circumferential alignment despite automated handling variations.
2Manufacturing precision
If traditional positioning methods are used without a high-precision centering mechanism, then the device structure remains simple, but the positioning precision is insufficient leading to high rejection rate
Solution Approach 1:
The positioning system is divided into multiple independent functional segments: a positioning plate for initial location, positioning pins for radial constraint, a cam mechanism for circumferential adjustment, and spring elements for maintaining contact force. Each segment performs a specific positioning function, achieving high precision through coordinated action of simplified individual components.
Solution Approach 2:
The positioning mechanism uses self-adjusting elements such as springs that automatically maintain contact force between positioning components and the wheel. The cam mechanism automatically converts rotational motion into precise radial positioning movements, eliminating the need for complex external control systems while maintaining high positioning accuracy.
3Productivity
If manual positioning methods are used, then the device operation is simple, but the productivity is low and cannot meet automatic mass production requirements
Solution Approach 1:
The system replaces manual positioning operations with an automated mechanical positioning mechanism. The cam mechanism converts rotational motion into precise radial positioning automatically, and the spring elements maintain continuous contact force without requiring operator intervention. This mechanical automation enables high-speed positioning suitable for mass production while keeping the control system simple.
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
The device achieves high-precision positioning with simple structure, stable performance, and convenient operation, suitable for automatic mass production, significantly reducing the wheel rejection rate.
Implementation Method 1
the two ends of one of the springs are respectively in contact with one of the first linear bearings and the axial end surface of one of the contacts, and the springs always have elastic force, so that the inner ends of the contacts are always pressed against the synchronous cam
Implementation Method 2
the hydraulic cylinder brake fixes the rotary cylinder at a certain position
Data Source
AI summary
The present application provides a material transferring and positioning device for a wheel machining center, which includes a base plate, a base, a first bearing, a first shaft sleeve, a hydraulic cylinder brake, a rotary cylinder, a cap and so on. The application may meet the positioning requirement of the wheel machining center, and has the advantages of simple structure, convenient manufacture, stable performance, high positioning precision and simple operation, so that it is very suitable for automatic mass production.