Mechanical thread tapper

Abstract

The invention discloses a mechanical thread tapper. A conical rod is arranged at one end of a clamping body; a clamping surface is formed at one end of the conical rod; a clamping hole is formed at the other end of the clamping body; a positioning sleeve is arranged in the clamping hole by a clamping sleeve; and a plurality of positioning bolts are arranged at positions on the same section of the clamping hole. The mechanical thread tapper can improve tapping efficiency; the adopted four positioning bolts can conveniently adjust the coaxiality of a screw tap; meanwhile, the positioning sleeve has a smaller volume and can be processed to higher accuracy class conveniently, so that the tapping accuracy is improved; and the high-precision positioning sleeve is also favorable for the coaxiality of the screw tap such as the coaxiality and perpendicularity with a drilling machine, so that the vibration of the screw tap at work is reduced, and the instantaneous stress of the screw tap is reduced. After the specification of the screw tap is changed, only the corresponding positioning sleeve is required to be installed. In the invention, the coaxiality and perpendicularity can ensure that the tapping torque of the screw tap is small, so a standard screw tap can be used for processing on the drilling machine, the cost is saved, and the tapping efficiency is greatly improved.

Description

technical field [0001] The invention relates to an auxiliary device for internal thread processing, in particular to a mechanical tapper. Background technique [0002] In mechanical manufacturing work, manual tapping on the workpiece hole is a very time-consuming and laborious process, especially for large quantities of internal threads above M16, the production efficiency is quite low. However, the existing mechanical tappers are difficult to adjust coaxially, and are prone to vibration during operation. The instantaneous force on the tap is large, so the material requirements for the tap are extremely high. After the tap specification is changed, the entire device cannot be used. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a mechanical tapper, which can use a drilling machine to tap, and can also adapt to different tap specifications, and the taps can be adjusted coaxially. [0004] In order to solve the a...

AI Technical Summary

Problems solved by technology

[0002] In mechanical manufacturing work, manual tapping on the workpiece hole is a very time-consuming and laborious process, especially for large batches of internal threads above M16, the production efficiency is quite low.

However, the existing mechanical tappers are difficult to adjust coaxially, and are prone to vibration during operation. The instantaneous force on the tap is large, so the material requirements for the tap are extremely high. After changing the specifications of the tap, the entire device cannot be used.

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