Abrasive belt grinding device and processing method for controllable pitch propeller profile based on industrial robot

Abstract

The invention discloses a controllable pitch propeller surface abrasive belt grinding device and a processing method thereof based on an industrial robot, which mainly solves the high cost of CNC machine tool processing, unstable processing accuracy and low efficiency caused by manual grinding, and Grind issues such as occupational hazards. The device mainly consists of a six-degree-of-freedom joint industrial robot, an abrasive belt grinding mechanism device, and a rotary table. The joints at the end of the robot are connected to the abrasive belt grinding mechanism device arranged in a triangular structure through a flange, and the motor drives the abrasive belt through a synchronous belt. The high-speed rotation of the wheel, pneumatically pushes the tensioner wheel to realize the tightening of the abrasive belt, and the blank workpiece of the adjustable pitch propeller is installed and clamped in the center of the rotary table, and the output gear of the reduction box is driven by the servo motor to mesh with the driving ring gear of the slewing ring to realize continuous 360° ° Rotation and indexing. The invention has ingenious structural design, high grinding rigidity, strong versatility, greatly reduces production cost, and has good practical and popularization value.

Description

Technical field [0001] The invention belongs to the field of marine machinery manufacturing, and relates to the manufacture of parts of the profiled surface of the controllable pitch propeller for ships. Specifically, it relates to an abrasive belt grinding device for the profiled surface of a controllable pitch propeller using a six-degree-of-freedom joint industrial robot and its processing realization method. Background technique [0002] As an important core part of a new type of marine propulsion power components, the controllable pitch propeller has a complex surface. The manufacturing accuracy and surface quality of the profile will directly affect the hydrodynamic propulsion performance of the ship. The controllable pitch propeller is usually first cast into a blank from a bronze alloy material. Because the final blade profile is a complex hydrodynamic surface shape, it also needs to remove the material from the blank casting margin to complete its accurate surface manufa...

AI Technical Summary

Problems solved by technology

[0007] 1. CNC machining of controllable pitch propellers needs to purchase expensive CNC machine tools such as general-purpose five-axis CNC floor-mounted boring and milling machines or special multi-axis CNC abrasive belt grinders, which poses a great burden to controllable pitch propeller manufacturers and ship users , affecting the promotion and use of adjustable pitch propeller, a new type of marine propulsion technology in China;

[0008] 2. Manual shoveling or polishing of adjustable pitch propellers has high technical requirements for workers, the labor load is heavy, the working environment is harsh, and the pollution of grinding dust is particularly serious, resulting in low production efficiency of adjustable pitch propellers, and it is difficult to ensure stable processing quality. In addition, long-term exposure to dust conditions can easily cause people to suffer from occupational diseases such as silicosis

Images