Chip breaking dragging wheel device for numerical-control machine tools

Abstract

The invention discloses a chip breaking dragging wheel device for numerical-control machine tools. The chip breaking dragging wheel device comprises a dragging wheel body. The dragging wheel body is of a cylindrical structure with an opening upper end, the upper end of the dragging wheel body is obliquely arranged, at least two arc-shaped grooves are formed in a side of the upper edge which are positioned between a highest point and a lowest point of the upper end of the dragging wheel body, the lowest points of the arc-shaped grooves are lower than the lowest point of the dragging wheel body,and a connecting hole is formed in the lower end of the dragging wheel body. The chip breaking dragging wheel device has the advantages that the chip breaking dragging wheel device is exquisite in structure and convenient to use; drill bits can be lifted to the surfaces of workpieces in each procedure, accordingly, good chip removing and breaking effects can be realized, and the drill bits are long in service life.

Description

technical field [0001] The invention belongs to cutting auxiliary equipment, in particular to a chip-breaking tugboat device for a numerically controlled machine tool. Background technique [0002] In machinery enterprises, drilling is a basic processing method, but in the process of drilling deep holes, when the drill bit and the material are rubbed for a long time, the temperature rises to a certain level, the annealing and softening of the drill bit will occur, and the service life will decrease sharply. On the other hand, when drilling, generally longer drill cuttings are produced. In order to prevent the excessively long drill cuttings from causing damage to the operator, or to prevent the drill cuttings from being entangled on the drill bit and causing damage to the drill bit, it is necessary to Now many companies use the cam-type chip breaking method to control the lifting of the drill bit by using the asymmetry of the two sides of the cam. However, because the cam is...

AI Technical Summary

Problems solved by technology

[0002] In machinery enterprises, drilling is a basic processing method, but in the process of drilling deep holes, when the drill bit and the material are rubbed for a long time, the temperature rises to a certain level, the annealing and softening of the drill bit will occur, and the service life will decrease sharply. On the other hand, when drilling, generally longer drill cuttings are produced. In order to prevent the excessively long drill cuttings from causing damage to the operator, or to prevent the drill cuttings from being entangled on the drill bit and causing damage to the drill bit, it is necessary to Now many companies use the cam-type chip breaking method to control the lifting of the drill bit by using the asymmetry of the two sides of the cam. However, because the cam is of a fixed shape, the drill bit rises at the same height each time. When drilling deep holes, the drill bit is not fully pulled. As a result, some of the iron filings are not discharged, and continuous processing will damage the drill bit. Sometimes it needs to be replaced frequently, resulting in increased cost and reduced work efficiency.

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