Machine tool and method for processing slender shaft parts

Abstract

The invention discloses a machining tool and method for slender shaft type parts. The machining tool comprises a machine frame, a left spindle box, a left tail clamping and pulling mechanism, a left tool rest, a left tool following mechanical hand unit, a left X axis transmission unit, a left Z1 axis transmission unit, a left Z2 axis transmission unit, a left chip removal mechanism, a right spindle box, a right tail clamping and pulling mechanism, a right tool rest, a right tool following mechanical hand unit, a right X axis transmission unit, a right Z1 axis transmission unit, a right Z2 axis transmission unit and a right chip removal mechanism. The two ends of a workpiece are clamped at the same time through two sets of tailstock clamping mechanisms and a main transmission mechanism, and the tail throwing phenomenon of clamped slender parts is avoided; through the tail clamping and pulling mechanisms, tool following mechanical hands solve the problem that clamping rigidity of slender parts is not enough, and part machining precision is guaranteed; machining is carried out at the same time through two sets of executing devices, and the requirement for clamping force is lowered through the main cutting force equivalent counteraction principle; the purpose of obviously improving productivity is achieved.

Description

technical field [0001] The invention relates to a machine tool for processing slender shaft parts and a method thereof, belonging to the field of mechanical processing and manufacturing, automation, and numerical control combined machine tools. Background technique [0002] In the current domestic and foreign automobile industry, before the forming and processing of a certain part involving a large number of applications, the raw material is a typical ultra-slender part. This part has an insurmountable processing technology, low processing accuracy, and poor product processing consistency. Bottleneck of inefficient production. At present, in China, the processing of the above-mentioned parts is usually completed by CNC transformation of ordinary lathe equipment. The processing method is to turn one end of the workpiece; disassemble the workpiece, turn around and clamp again, and turn the other end. low efficiency. The traditional clamping method is in the form of one clamp...

AI Technical Summary

Problems solved by technology

[0002] In the current domestic and foreign automobile industry, before the forming and processing of a certain part involving a large number of applications, the raw material is a typical ultra-slender part. This part has an insurmountable processing technology, low processing accuracy, and poor product processing consistency. Bottleneck of inefficient production

At present, in China, the processing of the above-mentioned parts is usually completed by CNC transformation of ordinary lathe equipment. The processing method is to turn one end of the workpiece; disassemble the workpiece, turn around and clamp again, and turn the other end. low efficiency

The traditional clamping method is in the form of one clamp, one top and a heel tool rest (or center frame). The top holding effect of the tailstock will increase the instability and bending deformation in the processing of the slender shaft, and it is difficult to enhance the rigidity. role, making it difficult to guarantee machining accuracy

In foreign countries, special equipment is usually developed according to the parts process, but the price is very expensive

[0003] In view of the above problems, a machine tool and method for processing slender shaft parts are proposed, which effectively solve the problems of insufficient clamping rigidity, low machining accuracy, poor product processing consistency, and low production efficiency of slender parts. The field of manufacturing and automation has broad prospects

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