Gantry Conveyor Mount Rotation for Clamp-Free Workpiece Transfer
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Solution Overview
Problem
Conventional gantry type conveying devices have a complex structure due to the need for clamp driving means, resulting in a high number of components and increased costs, with inefficient conveying times and difficulty in replacing work pieces.
Innovation Solution
A gantry type conveying device with a beam, runner, and elevator, where the conveyance object is mounted on a movable mount at the lower portion of the elevator, eliminating the need for clamping and allowing easy replacement and efficient conveying of multiple work pieces by rotating the mount around a vertical axis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a robot hand with clamp driving means is used to hold and convey the work, then the conveying function is achieved, but the structure becomes complicated and the number of components increases
Solution Approach 1:
The invention extracts and removes the clamp driving means from the robot hand, retaining only the essential holding and conveying functions. The robot hand is simplified to a basic holding structure without complex clamping mechanisms, thereby reducing structural complexity while maintaining the conveying function.
Solution Approach 2:
The workpiece is designed with self-holding features that allow it to be held and conveyed without active clamping mechanisms. The workpiece itself provides the necessary engagement features, eliminating the need for complex robot hand clamps and driving means.
2Reliability
If clamp driving means is mounted on the robot hand, then the work can be held firmly, but the cost increases due to the large number of components
Solution Approach 1:
The clamp driving means is extracted and removed from the robot hand assembly. Only the essential holding structure remains, which significantly reduces the number of components and manufacturing cost while maintaining sufficient holding reliability through the simplified design.
Solution Approach 2:
The invention employs a simple, inexpensive robot hand structure that can be easily manufactured and replaced if needed, rather than using expensive, complex clamp mechanisms. The focus is on functional simplicity rather than long-term durability of complex components.
3Reliability
If clamping operation is performed on the conveyance object, then the work is securely held, but the conveying time increases
Solution Approach 1:
The clamping operation is extracted and removed from the conveying process. The robot hand simply holds and conveys the workpiece without performing clamping actions, which eliminates the time required for clamping operations and increases conveying speed while maintaining secure holding through the simplified holding structure.
4Ease of operation
If a complex robot hand structure is used, then the work can be held and conveyed, but the device size increases and compactness is reduced
Solution Approach 1:
The complex components of the robot hand are extracted and removed, leaving only the essential holding structure. This significantly reduces the volume and size of the moving object while maintaining the basic capability to hold and convey the workpiece.
Solution Approach 2:
Instead of making the robot hand complex to achieve holding and conveying functions, the invention inverts the approach by making the workpiece or system provide the necessary engagement features, allowing the robot hand to remain simple and compact.
Data Source
AI summary
This gantry type conveying device is provided with: a beam which is horizontally installed; a runner traveling along the beam; an elevator supported to be movable in the vertical direction with respect to the runner; and a loading part which is supported by the lower portion of the elevator and on which a workpiece is loaded. This processing line has the gantry type conveying device and a machine tool. The machine tool is provided with: a base; and a workpiece supporting device provided movable with respect to the base in a forward and backward direction perpendicular to the extending direction of the beam when viewed in a plane.