Full-rotation automatic positioning processing equipment and method for simultaneous drilling and reaming of crankshaft flywheel

Abstract

The invention relates to a full-rotating automatic positioning machining method for same-drill reamed holes of crankshafts and flywheels; a full-rotating automatic positioning machining apparatus comprising a tensioning mechanism, a rotating mechanism, an axial advancing and reversing mechanism, a positioning and fixing mechanism, two radial adjustment mechanisms, a clump weight and a light boring machine is adopted, the apparatus is connected to a central hole of a crankshaft through the tensioning mechanism, the working position of the boring machine is adjusted by the axial advancing and reversing mechanism and the radial adjustment mechanisms, the boring machine is fixed by the positioning and fixing mechanism, an appropriate tool and appropriate cutting parameters are adopted, same-drill reamed holes are machined after tool alignment, the light boring machine is gradually driven by the rotating mechanism to rotate around the central hole of the crankshaft, and machines all the same-drill reamed holes located in the circumference of the crankshaft one by one, and in the process, the clump weight carries out force balance on the whole full-rotating automatic positioning machining apparatus. The full-rotating automatic positioning machining method has the advantages of automatic rotating machining, simplicity in operation, high efficiency in operation, high boring precision, low cost and the like, and can be widely applied in the same-drill reamed hole machining operation of crankshafts and flywheels of marine diesel engines or other parts in similar mated forms.

Description

technical field [0001] The invention relates to a processing equipment and method for a marine low-speed diesel engine, in particular to a full-rotation automatic positioning processing equipment and method for drilling and reaming a crankshaft flywheel using a light boring machine, belonging to the technical field of machinery manufacturing. Background technique [0002] As the core component of the marine low-speed diesel engine main engine, the crankshaft plays a vital role in power output. The components of marine low-speed diesel engines are all large parts, and their volume is very large. The bore of the main engine ranges from 600mm to 980mm, and the weight reaches 200-300t. [0003] The connecting parts on the crankshaft are different according to the configuration of the main engine. Usually, the crankshaft needs to be connected with the flywheel, sprocket (non-cylinder type) and front-end balance weight according to the requirements of the model. During the rotati...

AI Technical Summary

Problems solved by technology

[0015] The technical problem to be solved by the present invention is to overcome the defects of the existing pre-drilling processing methods, and provide a full-rotation automatic positioning processing equipment and method for drilling and reaming the crankshaft flywheel of the marine low-speed diesel engine. The use of boring machines, milling and reaming tools, the pre-drilled holes of the crankshaft and flywheel are drilled and reamed one by one by rotating positioning, so that the connection holes between the two parts are completely consistent, so as to improve labor efficiency and reduce space occupation , Improve machining accuracy and reduce equipment cost

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