Patent ID: 9630260
Date: 2017-04-25
CPC Classifications: B23B,B23Q,G01S

Claim:
1. A rear-mounted deep hole machining on-line detection and deviating correction device, comprising: a cutter bar; a deep hole cutter; and a cutter bar support, wherein the deep hole cutter is fixed to the cutter bar, the cutter bar support is fixed to a slide plate which is rested on a machine tool bed, and one end of the cutter bar is fixed to the cutter bar support, wherein the cutter bar is provided with a plurality of iron blocks arranged uniformly in a circumferential direction between the deep hole cutter and an end face of a machined hole of a workpiece, and each of the iron blocks is provided with a heating device in an interior thereof and a wear-resistant block mounted on a top thereof, wherein the iron block together with the wear-resistant block form a radial profile dimension smaller than a diameter of the machined hole of the workpiece, wherein when the heating device is not heating up, the iron block does not expand, and thus the wear-resistant block on the top thereof makes no contact with an inner wall of the machined hole of the workpiece, and when the heating device is heating up, the iron block expands, and thus the wear-resistant block on the top thereof contacts with the inner wall of the machined hole of the workpiece, wherein mounted on an end face of another end of the cutter bar is a pyramid prism support in a height corresponding to a height range of a spindle bore of a spindle box of the machine tool, and mounted on the pyramid prism support are a pyramid prism and a pyramid prism support cover, wherein a laser transmitter and a photosensitive sensor are mounted on an outer frame, which is fixed to a machine tool bed in a height corresponding to the height range of the pyramid prism, wherein an incident beam emitted by the laser transmitter is oriented by a laser orientating block so as to be in parallel with an initial axis of the cutter bar, wherein the incident beam travels through an unmachined hole of the workpiece and then through the pyramid prism to form a return beam which travels backwardly through the unmachined hole of the workpiece and reaches the photosensitive sensor which sends signals to a computer.