On-machine three-dimensional profiling machining device and method for complex configuration composite

1 . A three-dimensional profiling machining device for machining a composite material pipeline, the three-dimensional profiling machining device comprising:

a linear motion mover module;

a lifting rod installed on the linear motion mover module; and

a depth vision system installed on the lifting rod;

a six-degree-of-freedom motion platform installed on an upper end of the linear motion mover module, and

a hollow machining and measurement structure installed on an upper end of the six-degree-of-freedom motion platform;

a workpiece clamping column installed at a front end of the linear motion mover module wherein the composite material pipeline is installed at an end of the workpiece clamping column;

a rotating cutterhead installed on the hollow machining and measurement structure;

linear motion tables and radial motion modules installed on the rotating cutterhead,

wherein one of the linear motion tables is equipped with an eddy current sensor probe that is installed via installation bolts, and another of the linear motion tables is equipped with a laser displacement sensor probe, and

wherein the eddy current sensor probe is connected to a sensor premodule via a transmission cable.

2 . The three-dimensional profiling machining device according to claim 1 , wherein:

the hollow machining and measurement structure is provided with a support seat, and the support seat is installed on a front end of the hollow machining and measurement structure, and the support seat is fixed with a protective end cover via bolts;

the support seat is equipped with a magnetic grid sensor wiring hole, and the rotating cutterhead comprises a hollow spindle that is installed inside the hollow machining and measurement structure via a first angular contact bearing and via a second angular contact bearing, the first angular contact bearing and the second angular contact bearing are clamped by a bearing lock, the bearing lock is equipped with a lifting ring mounting hole;

the hollow machining and measurement structure is equipped with: (i) a direct drive motor wiring hole, (ii) a plug installation hole, and (iii) conductive slip ring fixing holes, wherein the conductive slip ring fixing holes fix three conductive slip ring stators; and

a base is provided at a lower end of the hollow machining and measurement structure, the conductive slip ring stators are installed on the hollow spindle via screws, and the conductive slip ring stators are distributed at three positions, respectively, which positions have a phase difference relative to one another of 120°.

3 . The three-dimensional profiling machining device as claimed in claim 2 , wherein:

the conductive slip ring fixing holes comprise three conductive slip ring fixing holes distributed along an axial direction, and cables drawn from the conductive slip ring stators are led from the plug mounting hole to a stepper motor driver;

the conductive slip ring stators, a conductive slip ring mover, a direct drive motor stator, and a direct drive motor mover are installed inside the hollow machining and measurement structure;

a magnetic scale and a magnetic grid reading head are installed at a left end of the hollow machining and measurement structure;

cables of the direct drive motor stator and of the direct drive motor mover are connected to the driver via a direct drive motor wiring hole, and form a closed-loop motion system with the magnetic scale and the magnetic grid reading head,

the magnetic grid reading head is connected to the driver via the magnetic grid sensor wiring hole; and

the radial motion modules comprise three radial motion modules, each of the radial motion modules is equipped with a respective linear guide rail, a respective stepper motor, and a respective cutter, and wherein each of the cutters is installed at a respective end of the corresponding radial motion module.

4 . The three-dimensional profiling machining device as claimed in claim 1 , wherein:

the depth vision system is equipped with: (i) a two-dimensional pan-tilt with two degrees of freedom comprising a rotation axis and a pitch axis, (ii) a camera lens, and (iii) a heat dissipator; and

the heat dissipator is installed on the camera lens.

5 . The three-dimensional profiling machining device according to claim 1 , wherein:

the six-degree-of-freedom motion platform is equipped with six hinges, six motion electric cylinders, and six platform bases;

each of the motion electric cylinders is installed on a respective upper end of a respective one of the platform bases, and each of the motion electric cylinders is installed on the platform via a respective one of the hinges; and

the platform bases are equipped with electrical interfaces.

6 . The three-dimensional profiling machining device as claimed in claim 1 , wherein:

one of the linear motion tables comprises a fine-tuning screw, a sensor probe bracket, a locking knob, and a fixed base;

the sensor probe bracket has the eddy current sensor probe;

the sensor probe bracket is connected to the fixed base via a locking knob, and

the sensor probe bracket is equipped with the fine-tuning screw.