Servo-Driven Transfer Device for Multistage Forging Press
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing multistage forging press machines have complex power transmission mechanisms using main motors, leading to increased manufacturing and maintenance costs, and difficulties in adjusting conveyance positions and replacing chuck claws due to cumbersome configurations.
Innovation Solution
A transfer device with horizontally and vertically driving servo motors connected through link mechanisms, allowing for compact power transmission and easy adjustment of conveyance positions, and enabling the movement of chuck units to a convenient location for replacement, reducing the need for complex cam mechanisms and increasing operational efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a main motor is used as a power source for the transfer device, then the transfer device can convey workpieces, but the power transmission mechanism becomes complicated with increased length and number of components
Solution Approach 1:
The patent divides the transfer device into multiple independent chuck units (first chuck unit, second chuck unit, third chuck unit) that can operate independently. Each chuck unit has its own driving mechanism, allowing the system to achieve complex transfer functions through coordinated operation of simpler modular components rather than a single complex power transmission system
Solution Approach 2:
The patent introduces a transfer beam as an intermediary component that connects the main motor to the chuck units. The transfer beam acts as a mechanical mediator that distributes power and motion to multiple chuck units, simplifying the overall power transmission architecture by using a central intermediate structure rather than direct complex transmissions to each unit
2Device complexity
If the power transmission mechanism is made compact with fewer components, then manufacturing and maintenance costs decrease, but the ability to independently adjust horizontal and vertical conveyance positions may be compromised
Solution Approach 1:
The patent employs dynamic adjustment mechanisms where the chuck units can be independently positioned in horizontal and vertical directions through simple driving mechanisms. The first and second driving mechanisms allow dynamic repositioning of chuck units along the transfer beam, enabling flexible conveyance path adjustment without complex fixed transmissions
Solution Approach 2:
The transfer beam serves multiple functions: it acts as a structural support, a power transmission element, and a positioning guide for the chuck units. This multi-functional design eliminates the need for separate complex mechanisms for each function, achieving simplicity while maintaining operational flexibility
3Reliability
If chuck claws are located between die and punch under the chuck unit, then the transfer device can hold workpiece, but replacement work becomes difficult requiring unnatural worker posture and narrow working space
Solution Approach 1:
The patent designs the chuck unit structure so that chuck claws can be preliminarily accessed from the front side before the unit is positioned in the final working location. This preliminary accessibility allows workers to perform replacement operations more easily before the chuck unit is fully installed in the constrained space between die and punch
Solution Approach 2:
The patent enables chuck claws to be accessed and replaced from multiple spatial dimensions - particularly from the front side of the chuck unit in addition to the traditional bottom access. This dimensional change in access path transforms the replacement operation from a constrained vertical access to a more open horizontal access, improving worker ergonomics
4Productivity
If conventional transfer device configuration is used, then workpiece conveyance is achieved, but conveyance position adjustment requires component replacement leading to elongated suspension period
Solution Approach 1:
The patent implements dynamic, adjustable positioning mechanisms that allow conveyance positions to be changed without replacing entire components. The driving mechanisms can be adjusted to modify the conveyance path and stopping positions of chuck units, enabling quick position changes during operation rather than requiring machine suspension for component replacement
Solution Approach 2:
The patent allows conveyance position adjustment through parameter changes in the driving mechanisms rather than physical component replacement. By modifying operational parameters such as drive position, speed, or synchronization timing, the system can adapt conveyance positions without mechanical intervention, significantly reducing adjustment time
Data Source
AI summary
The present invention provides a transfer device of a multistage forging press machine, capable of making a power transmission mechanism compact with a reduced number of components, and capable of easily adjusting a conveyance position. Additionally, the present invention provides a transfer device of a multistage forging press machine, capable of moving a plurality of chuck units in a lump to a place where replacement work can be performed easily, and capable of replacing chuck claws easily.