Rapid-replacement high-precision gang cutter and machining method thereof

Abstract

The invention provides a rapid-replacement high-precision gang cutter and a machining method thereof. The rapid-replacement high-precision gang cutter comprises a cutter head and a cutter handle. The cutter head is provided with four cutting edges, chip grooves, an avoiding part and a high-speed steel base body from the end to the tail in sequence. The four cutting edges are symmetrically arranged at the end of the cutter head in pairs. The chip grooves are located between every two adjacent cutting edges. Each cutting edge comprises a cutting edge body I, a cutting edge body II and a cutting edge body III, and the cutting edge body II is arranged between the cutting edge body I and the cutting edge body III. The avoiding part is arranged behind the cutting edge bodies II. The avoiding part and the high-speed steel base body are fixed through high-temperature welding. The high-speed steel base body is internally provided with an axial positioning hole, a threaded hole and a radial positioning part. The axial positioning hole is formed in the front end of the threaded hole. The front end of the cutter handle is provided with a screw rod matched with the threaded hole. Through the replaceable structural design, materials for machining of the cutter are saved, and the economical performance is high; through the design of the positioning part, the precision of repeated positioning can be improved, and the cutter replacing efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of cutter processing, in particular to a quick-change high-precision combined milling cutter and a processing method thereof. Background technique [0002] Existing knives include two parts: the cutter head and the handle. The cutter head and the handle are generally formed by welding or integrally formed. No matter which form, the cutter needs to be replaced after the cutter head is worn out, while the handle is intact. In order to ensure the normal operation of the processed workpiece, the tool needs to be replaced frequently, which causes the tool resource to be unreasonably utilized and the processing cost to increase. [0003] With the continuous increase of people's requirements for the low cost of tool processing, the cutter head and the handle have been designed in a split design. When using the tool, the cutter head and the handle are assembled together. , when the cutter head needs to be changed, ...

AI Technical Summary

Problems solved by technology

[0002] Existing knives include two parts: the cutter head and the handle. The cutter head and the handle are generally formed by welding or integrally formed. No matter which form, the cutter needs to be replaced after the cutter head is worn out, while the handle is intact. In order to ensure the normal operation of the processed workpiece, the tool needs to be replaced frequently, which leads to the unreasonable use of tool resources and increases the processing cost

[0003] With the continuous increase of people's requirements for the low cost of tool processing, the cutter head and the handle have been designed in a split design. When using the tool, the cutter head and the handle are assembled together. , when the cutter head needs to be changed, the cutter needs to be taken down, and the cutter should be recalibrated by the tool setting device. The reason for the recalibration is that all combined cutters will have matching accuracy problems, and the cutter head and the handle are prone to fit If it is not in place, remove the tool from the clamping device, replace the tool head, and then correct it. The tool change time is longer, which reduces the efficiency of processing the workpiece

Images