Rotary tool turret matching NC turning and milling center and machining method

Abstract

The invention relates to a rotary tool turret matching an NC turning and milling center and a machining method. The rotary tool turret comprises a turning and milling tool turret; a servo motor in the turning and milling tool turret drives a spindle transmission shaft through a transmission mechanism; the connecting end of the spindle transmission shaft is a beeline-shaped groove which is matched with a beeline-shaped raised head of a beeline-shaped flat head toolholder seat by splicing and drives a tool on the rotary tool turret to be machined; the beeline-shaped flat head toolholder seat in the tool turret is matched with a guide holder beeline-shaped guide groove on a guide holder and rotates along the guide holder. The invention has the following advantages: 1. short replacement time, fast speed and convenient replacement of V-shaped groove toolholders; 2. good functions of installing and replacing multi-spindles, one-time completion of drilling and tapping, shortened operation time and greatly improved machining efficiency; 3. great bearing capacity, good structure rigidity, long service life, simple machining, low manufacturing cost and convenient equipment maintenance and repair; 4. high rotary precision and good stability.

Description

technical field [0001] The invention relates to a rotary turret matched with a numerical control turning and milling center and a processing method. The turret is divided into four specifications: 4-axis, 6-axis, 8-axis and 12-axis, belonging to the field of rotary turret manufacturing. Background technique [0002] In the current background technology, the locking method of the knife handle of the turret adopts the rear-pull locking method. There is a pull nail at the end of the knife handle, and the oil pressure controls the knife cylinder. When working, the mechanical claw grabs the pull nail and then pulls it, and tightens the handle; the general turret needs to be equipped with a VDI tool holder ( diagram 2-1 ), which are not interchangeable in turning, milling, boring, drilling, and tapping. They are all special parts. Not only is the VDI tool seat expensive, the tool holder is not easy to replace, and the tool holder is prone to loosening during processing. When it i...

AI Technical Summary

Problems solved by technology

[0002] In the current background technology, the locking method of the turret handle adopts the rear pull locking method. There is a pull nail at the end of the handle. The oil pressure controls the knife cylinder, and the knife cylinder acts on the butterfly spring to make the mechanical three-claw When working, the mechanical claw grabs the pull nail and then pulls it, and tightens the handle; the general turret needs to be equipped with a VDI tool holder ( Figure 2-1 ), which are not interchangeable in turning, milling, boring, drilling, and tapping. They are all special parts. Not only are the VDI tool holders expensive, the tool holder is not easy to replace, and the tool holder is prone to loosening during processing. When it is necessary to process porous parts, it is necessary to process step by step. Drilling and tapping cannot be completed at one time. For different workpieces, multi-axis devices cannot be installed, so man-hours are wasted and the processing efficiency is not good. In addition, in the spindle transmission mode, generally The main shaft transmission adopts spline transmission, and the spline manufacturing process is cumbersome and expensive

The position of the turret is easy to yaw, and the turret moves up and down (because the turret only performs radial rotation), which cannot effectively reduce friction; in addition, the rotating structure of the turret adopts a two-plate clutch structure. When the turret needs to rotate, The turret can only rotate when the indexing tooth plate is separated from the rising base, so the rotation accuracy is low and the stability is not good

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