Semi-automatic twist drill detection device

Abstract

The invention belongs to the technical field of machining detection tools, and relates to a semi-automatic twist drill detection device. A V-shaped groove is fixed in a main board of the semi-automatic twist drill detection device, and is used for placing a detected twist drill. A front rotating shaft is disposed at the front end of the main board, and the front rotating shaft is fixedly mounted on the main board; a front rotating shaft cap is arranged at the top end of the front rotating shaft, a lower sliding groove is formed in the tail portion of the main board, a plane formed by the axisof the front rotating shaft and the center of the lower sliding groove is the center plane of the detection device and is recorded as the center plane; the V-shaped groove is symmetrical relative to the center plane, and the lower sliding groove is also symmetrical relative to the center plane. Whether the angles of the two main cutting edges accord with a preset angle or not can be observed, andthe length of the measured twist drill is not limited. According to the invention, the device can detect a twist drill simply and conveniently and is universal; the length of the detected twist drilldoes not need to be worried about, and automatic sliding of the sliding plate can be achieved.

Description

technical field [0001] The invention belongs to the technical field of machining testing tools and relates to a semi-automatic twist drill testing device. Background technique [0002] Twist drill is a commonly used tool in machining, and it is also a kind of fragile tool. It needs repeated grinding during use. The quality of the drill directly affects the quality of drilling and drilling efficiency, and also affects the life of the twist drill. , In order to check whether the lengths of the two main cutting edges of the twist drill are equal and whether the angles of the two main cutting edges are equal during manual grinding, it is necessary to visually measure the length and angle of one main cutting edge from the front, and then visually measure the other main cutting edge after turning 180 degrees. The length and angle of the edge are compared repeatedly, because this comparison has time and space intervals, it is difficult to ensure the accuracy of this method, even if...

AI Technical Summary

Problems solved by technology

[0002] Twist drill is a commonly used tool in machining, and it is also a kind of fragile tool. It needs repeated grinding during use. The quality of the drill directly affects the quality of drilling and drilling efficiency, and also affects the life of the twist drill. , In order to check whether the lengths of the two main cutting edges of the twist drill are equal and whether the angles of the two main cutting edges are equal during manual grinding, it is necessary to visually measure the length and angle of one main cutting edge from the front, and then visually measure the other main cutting edge after turning 180 degrees. The length and angle of the edge are compared repeatedly, because this comparison has time and space intervals, it is difficult to ensure the accuracy of this method, even if it is measured with a caliper, because there is no reliable card point, the measurement accuracy of the length of the main cutting edge also difficult to grasp

When grinding with a grinding machine, the ordinary grinding machine only ensures that the grinding angle is suitable, but does not guarantee that the lengths of the two main cutting edges are equal, and the slide plate needs to be moved manually

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