Inclined hole cutting assembly and method for machining inclined holes through same

Abstract

The invention discloses an inclined hole cutting assembly. The inclined hole cutting assembly comprises a cutting head, a horizontal movement system and a vertical movement system. The horizontal movement system comprises a first shell. A first worm wheel and worm mechanism is arranged in the first shell, a worm wheel of the first worm wheel and worm mechanism is matched with a horizontal lead screw, and one end of the horizontal lead screw is connected with a numerical control machine tool. The vertical movement system comprises a second shell connected with the first shell. A second worm wheel and worm mechanism is arranged in the second shell, a worm wheel of the second worm wheel and worm mechanism is matched with a vertical lead screw, the lower end of the vertical lead screw is connected with a cylinder, a rotating shaft penetrates through the cylinder, one end of the rotating shaft stretches out of the cylinder, a clamping device is arranged at the stretching-out end of the rotating shaft, and the cutting head is clamped to the clamping device. The invention further provides a method for machining inclined holes through the inclined hole cutting assembly. A program set with the original cutting head of the numerical control machine tool as the reference can be directly utilized, cutting can be achieved by adjusting the position and angle of the assembly, positioning is accurate, the number of procedures is small, and machining efficiency is high.

Description

technical field [0001] The invention relates to the field of mechanical processing, in particular to an oblique hole cutting assembly and a method for processing the oblique hole. Background technique [0002] When processing inclined holes on conical shells or pipes such as blast furnace shell cones, since the outer wall of the conical shell or pipe is a curved surface, the wall of the inclined hole has a certain inclination angle. The holes processed by CNC machine tools are perpendicular to the board surface, and the inclined holes that do not meet the design requirements are not met. In order to solve the above problems, there are usually two methods: one is to process the oblique hole after the tapered shell or tube is rolled, that is, use a profiling cutting machine to process horizontally when the tapered belt is pre-installed. In this method, each hole is processed It is necessary to locate and set up the tire frame of the fixed cutting machine, and then manually cu...

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Problems solved by technology

In order to solve the above problems, there are usually two methods: one is to process the oblique hole after the tapered shell or tube is rolled, that is, use a profiling cutting machine to process horizontally when the tapered belt is pre-installed. In this method, each hole is processed It is necessary to locate and set up the tire frame of the fixed cutting machine, and then manually cut the oblique holes one by one, so the efficiency of oblique hole processing is very low; another method is to contact the design institute to expand the hole diameter, which has uncertainty

[0003] In the prior art, when parts are processed with oblique holes, the jig and the tire frame are generally made first, the parts are clamped and positioned with the jig, and the angle is adjusted, and then the cutting head of the mutual hole machine tool (such as figure 1 As shown) profiling the oblique hole on the component, this method of oblique hole processing is highly targeted, but when processing different oblique holes on the same component, the angle and positioning need to be readjusted, because the self-contained cutting head is directly fixed on the CNC On the machine tool, it is difficult to adjust the cutting angle and position; and when processing inclined holes on different parts, it is necessary to remake the fixture, which is costly and inefficient. It is not suitable for batch processing inclined holes, nor is it suitable for tapered pipes or Machining of the inclined hole of the shell

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