Drill bit cutting edge grinding device, drill bit cutting edge grinding method and drill bit

Abstract

The invention discloses a drill bit cutting edge grinding device, and belongs to the technical field of drill bit machining. The drill bit cutting edge grinding device includes a base, a polishing wheel having the axis parallel to the base; polishing cilia made of a synthetic resin material that are uniformly distributed on the side wall of the outer circumference of the polishing wheel; a drivingdevice which is borne on the base and used for generating power to drive the grinding wheel to rotate circumferentially; a sliding block which is arranged in a sliding mode in the axial direction ofthe grinding wheel, and a drill bit clamping mechanism used for fixing a drill bit to be ground is arranged on the top face of the sliding block; and a dust collecting device which is used for collecting grinding chippings. The grinding device has the advantages that operation is easy and safe, the grinding amount is easy to control, and the grinding condition is convenient to check in real time.The invention further aims to disclose a drill bit cutting edge grinding method applying the drill bit cutting edge grinding device. The drill bit cutting edge grinding method has the advantages of being easy and convenient to operate and safe. In addition, the invention further discloses a drill bit, and by using the method to grind the cutting edge of the drill bit, the cutting edge of the drillbit is sharp, not prone to breakage and longer in service life.

Description

technical field

[0001] The invention relates to the technical field of drill bit processing, more specifically, it relates to a drill bit edge grinding device, a drill bit edge grinding method and a drill bit. Background technique

[0002] During use, the main edge and chisel edge of the drill will become blunted or even chipped as the number of uses increases, in order to protect the cutting edge and extend the service life of the drill. After the drill bit is processed and formed, it is often necessary to grind the main edge and the chisel edge of the drill bit, and form an arc-shaped edge of 1-3 wires at the edge, which does not affect the cutting sharpness of the edge, and can sharpen the edge play a protective role.

[0003] At present, grinding the drill bit is often performed by a technical master using a grinder and grinding paper. The grinding process of the grinder is complex, with many operating procedures, it is difficult to control the grinding accuracy, and i...

Images