Cutter head protection device for numerically controlled machine tools

Abstract

The invention discloses a tool bit protection device for a numerical control machine tool, and belongs to the technical field of tool bit protection. The tool bit protection device for the numerical control machine tool comprises a fixing plate, wherein the outer wall of the fixing plate is fixedly connected with a shell; the bottom of the fixing plate is fixedly connected with a handle, and the output end of the handle is fixedly connected with a rotating shaft; one end of the rotating shaft, which is far away from the handle, penetrates through the fixing plate and is fixedly connected witha main gear, and the outer walls of the two sides of the main gear are respectively connected with a pinion in a meshed manner; the main gear and the pinions are rotatably connected between the fixingplate and the inner wall of the shell, the tops of the two pinions are fixedly connected with sector gears, and a transmission rack is meshed and connected between the two sector gears; and the outerwall of the transmission rack is fixedly connected with a tool shell, and a tool is sleeved in the tool shell. According to the tool bit protection device for the numerical control machine tool, theextending distance of the tool bit is finely adjusted by controlling, so that the damage of the tool bit caused by too large feeding amount or poor feeding speed of the tool bit is avoided, and the protection of the tool bit is facilitated.

Description

technical field [0001] The invention relates to the technical field of cutter head protection, in particular to a cutter head protection device for a numerically controlled machine tool. Background technique [0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automatic machine tool equipped with a program control system. It can make the machine tool move and process parts according to the programmed program. Technology, the basic composition includes processing program carrier, numerical control device, servo drive device, machine tool body and other auxiliary devices. CNC machine tool solves the problem of complex, precise, small batch and multi-variety parts processing. It is a flexible and high-efficiency machine tool. Automated machine tools represent the development direction of modern machine tool control technology and are a typical mechatronic product. [0003] Reference document CN104209990A mentions a tool protection type planer...

AI Technical Summary

Problems solved by technology

[0003] Reference document CN104209990A mentions a tool protection type planer. The main problem to be solved is to protect the tool, and in the process of protection, it is convenient to adjust the position of the tool and adapt to different thicknesses of wool. However, CNC machine tools usually use The tool processes the parts. In the mechanical cutting process, it is inevitable that there will be mistakes in the operation process. The operator controls the tool feed improperly, the feed rate is too large or the feed speed is not well controlled, which will easily cause the tool head to damage the part. Collision will cause the tool to loosen and chip. In severe cases, it may cause accidents such as the tool or the workpiece flying out, causing damage to the tool and causing personal danger and injury to the operator. In addition, for tooth opening processing that requires a similar gear structure, it is necessary Repeated forward and backward feeding at the end, so frequent reverse operations are required, and the efficiency is low; in addition, although CN108113034A discloses a driving gear with two driven gears and an arc-shaped gear structure, the purpose is to realize the reciprocating movement of the glutinous rice cakes, but there is no Any questions about how to deal with fine stepping during reciprocating motion

Images