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CN-122007471-A - Numerical control machine tool for drilling production of self-adaptive clamping unmanned aerial vehicle positioning shaft

CN122007471ACN 122007471 ACN122007471 ACN 122007471ACN-122007471-A

Abstract

The invention relates to a numerical control machine tool for drilling production of a self-adaptive clamping unmanned aerial vehicle positioning shaft, and belongs to the technical field of machining of unmanned aerial vehicle parts. The self-adaptive clamping numerical control machine tool for drilling production of the unmanned aerial vehicle positioning shaft comprises a machine body, a main shaft module, a tool turret module, a feeding and moving module, an auxiliary function module and a control system module, wherein the machine body is used as an installation basis, the main shaft module is used for providing cutting power, the main shaft module is used for carrying out programmable axial position adjustment on a positioning disc through an electric cylinder, so that an internal supporting point of the positioning module can be dynamically close to machining positions of different turning ring grooves, the effective overhanging length and the stress state of the unmanned aerial vehicle positioning shaft are actively optimized, the rigidity resisting radial cutting force is directly enhanced to inhibit elastic bending, and the method can meet specific requirements of each machining position on rigidity under the condition that the unmanned aerial vehicle positioning shaft is only locked by a single end through the position change of the internal supporting point, thereby simplifying clamping and improving process flexibility.

Inventors

  • HU FENG

Assignees

  • 昆山万柳精密电子有限公司

Dates

Publication Date
20260512
Application Date
20260214

Claims (10)

  1. 1. The utility model provides a self-adaptation centre gripping unmanned aerial vehicle location axle digit control machine tool for drilling production, includes lathe bed (100), main shaft module (200), turret module (300), feed and motion module (400), auxiliary function module (500) and control system module (600), characterized in that, lathe bed (100) are as the installation basis, main shaft module (200) are used for providing cutting power, turret module (300) are used for bearing the weight of the cutter, feed and motion module (400) are used for driving corresponding cutter and realize accurate removal, auxiliary function module (500) are used for guaranteeing the processing, control system module (600) are used for overall control; The main shaft module (200) comprises a main shaft box (210) arranged inside the lathe bed (100), a speed-changing transmission module (220) is arranged inside the main shaft box (210), a hollow main shaft (230) is arranged at a driving part of the speed-changing transmission module (220), a hydraulic chuck (240) is fixedly connected with a driving part of the hollow main shaft (230), an electric cylinder (250) is fixedly connected with the vertical inner wall of the main shaft box (210), the end part of an output shaft of the electric cylinder (250) penetrates through the hollow main shaft (230) and extends to the inside of the hydraulic chuck (240), a positioning disc (260) is rotatably connected with the end part of the output shaft of the electric cylinder (250), and a positioning module (270) is arranged inside the positioning disc (260).
  2. 2. The numerical control machine tool for drilling production of self-adaptive clamping unmanned aerial vehicle positioning shaft according to claim 1, wherein a mounting cavity (261) is formed in the positioning disk (260), two guide cavities (262) which are communicated with the mounting cavity (261) are formed at one end of the positioning disk (260) back to the electric cylinder (250), the positioning module (270) comprises a micro servo motor (271), the micro servo motor (271) is fixedly connected to the inside of the mounting cavity (261), a torque sensor (272) is fixedly connected to the end part of an output shaft of the micro servo motor (271), a bidirectional driving assembly (273) is fixedly connected to the end part of an output shaft of the torque sensor (272), two output shafts of the bidirectional driving assembly (273) respectively penetrate into the inside of the two guide cavities (262), threaded columns (274) which are rotationally connected with the adjacent guide cavities (262) are rotationally connected at the opposite back ends of the two output shafts of the bidirectional driving assembly (273), threaded columns (274) are in threaded connection with the surfaces of the guide cavities (262), electric screw joints (275) are connected with the electric screw joints (275) which are embedded in the opposite ends of the electric screw joints (276), the miniature servo motor (271) and the torque sensor (272) are connected with the control system module (600) in a wired mode through an electric rotary joint (277).
  3. 3. The numerical control machine for drilling production of self-adaptive clamping unmanned aerial vehicle positioning shafts according to claim 2, wherein the clamping piece (276) comprises a mounting column (2761), the mounting column (2761) is fixedly connected to one end of a threaded sleeve (275) back to the micro servo motor (271), one end of the mounting column (2761) facing towards the axis of the positioning disc (260) is fixedly connected with a clamping plate (2762), and the two clamping plates (2762) are distributed in a staggered mode.
  4. 4. A numerical control machine for drilling production of positioning shafts of self-adaptive clamping unmanned aerial vehicles according to claim 3, wherein the vertical cross section of the clamping plate (2762) is circular arc, and the circular arc opening of the clamping plate (2762) faces the axial lead of the positioning disc (260).
  5. 5. The numerical control machine tool for drilling production of self-adaptive clamping unmanned aerial vehicle positioning shaft according to claim 2, wherein the inside of positioning disk (260) is provided with two and respectively with adjacent return-form cavity (263) that guide cavity (262) communicates, positioning module (270) is still including protection component (278) that is two in quantity, protection component (278) are including sliding connection in the annular sealing strip (2781) of return-form cavity (263) inside, annular sealing strip (2781)'s surface is offered and is offered through-hole (2782) with screw sleeve (275) fixed connection, annular sealing strip (2781) is carried out the one end of micro servo motor (271) dorsad and positioning disk (260) dorsad electric cylinder (250) one end parallel and level sets up.
  6. 6. The numerical control machine tool for drilling production of self-adaptive clamping unmanned aerial vehicle positioning shafts according to claim 5, wherein two groups of guide channels (264) which are respectively communicated with adjacent rectangular cavities (263) are formed in the positioning disc (260), the vertical section shapes of the rectangular cavities (263) and the guide channels (264) are round corner rectangular shapes which are matched, guide shafts (2783) are embedded in the annular sealing bands (2781), and the ends of the guide shafts (2783) penetrate into the guide channels (264).
  7. 7. The numerical control machine for drilling production of positioning shafts of self-adaptive clamping unmanned aerial vehicle according to claim 6, wherein the number of the guide shafts (2783) is not less than ten, and the axis of the guide shafts (2783) is perpendicular to the axis of the threaded column (274) in a dislocation manner.
  8. 8. The numerical control machine tool for drilling production of the positioning shaft of the self-adaptive clamping unmanned aerial vehicle according to claim 6, wherein the number of each group of guide channels (264) is two, two adjacent guide channels (264) are symmetrically distributed on two sides of the rectangular cavity (263), and two ends of the guide shaft (2783) respectively penetrate into the adjacent guide channels (264).
  9. 9. The numerical control machine for drilling production of the positioning shaft of the self-adaptive clamping unmanned aerial vehicle according to claim 6, wherein the shapes of two ends of the guide shaft (2783) are semicircular, and the semicircular parts of the guide shaft (2783) are arranged in the adjacent guide channels (264).
  10. 10. The numerical control machine tool for drilling production of the positioning shaft of the self-adaptive clamping unmanned aerial vehicle according to claim 1, wherein a guide groove (241) parallel to the axial lead of the hydraulic chuck (240) is formed in the hollow inner wall of the hydraulic chuck (240), and a guide block (280) fixedly connected with the positioning disc (260) is slidably connected in the guide groove (241).

Description

Numerical control machine tool for drilling production of self-adaptive clamping unmanned aerial vehicle positioning shaft Technical Field The invention relates to the technical field of unmanned aerial vehicle part machine tool processing, in particular to a numerical control machine tool for self-adaptive clamping unmanned aerial vehicle positioning shaft drilling production. Background The unmanned aerial vehicle positioning shaft is usually clamped at the numerical control turning center once, the turning processing of the precise drilling of the end part and the circumferential ring groove is completed in a single processing process, the repeated positioning error can be obviously reduced by the turning and drilling compound process, and the high coaxiality and the position degree of the hole and the groove are ensured, so that the production efficiency and the integral matching precision of parts are improved. Because unmanned aerial vehicle location axle structure is slender and the size is less, under the radial cutting force effect of turning annular, the axis body easily produces the micro elastic bending that is difficult to direct observation, and this bending leads to the relative position of cutter and unmanned aerial vehicle location axle to take place dynamic deviation for the axis of drilling is difficult to keep accurate spatial relation with the annular benchmark of turning in the combined machining, has finally restricted the further promotion of machining precision. Disclosure of Invention Based on the above, it is necessary to provide a numerical control machine tool for drilling production of a self-adaptive clamping unmanned aerial vehicle positioning shaft, which aims at the problems that the coaxiality of a hole and a groove is difficult to ensure and the restriction precision is improved because of elastic bending generated by radial cutting force in the combined machining of turning and drilling of the unmanned aerial vehicle positioning shaft. The utility model provides a self-adaptation centre gripping unmanned aerial vehicle location axle digit control machine tool for drilling production, includes lathe bed, main shaft module, sword tower module, feed and motion module, auxiliary function module and control system module, the lathe bed is as the installation basis, the main shaft module is used for providing cutting power, the sword tower module is used for bearing the weight of the cutter, feed and motion module is used for the drive to correspond the cutter and realizes accurate removal, auxiliary function module is used for the guarantee processing, control system module is used for overall control. In one embodiment, the spindle module comprises a spindle box arranged in the machine body, a variable speed transmission module is arranged in the spindle box, a hollow spindle is arranged at a driving part of the variable speed transmission module, a hydraulic chuck is fixedly connected to a driving part of the hollow spindle, an electric cylinder is fixedly connected to the vertical inner wall of the spindle box, the end part of an output shaft of the electric cylinder penetrates through the hollow spindle and extends to the inside of the hydraulic chuck, a positioning disc is rotatably connected to the end part of the output shaft of the electric cylinder, and a positioning module is arranged in the positioning disc. In one embodiment, the installation cavity has been seted up to the inside of positioning disk, the positioning disk is facing away from the one end of electronic jar and is offered the quantity and be two and all with the direction cavity intercommunication, the positioning module includes miniature servo motor, miniature servo motor fixedly connected in the inside of installation cavity, miniature servo motor output shaft's tip fixedly connected with torque sensor, torque sensor output shaft's tip fixedly connected with two-way drive assembly, two output shafts of two-way drive assembly run through respectively to two the inside of direction cavity, two opposite ends of two output shafts of two-way drive assembly all rotate be connected with adjacent the screw thread post that the direction cavity rotated and is connected, screw thread post's surface threaded connection has with direction cavity sliding connection's thread bush, miniature servo motor's one end fixedly connected with holder is facing away from to the thread bush, electric rotary joint is installed in the embedding between electronic jar and the positioning disk, miniature servo motor and torque sensor all pass through electric rotary joint and control system module wire connection. In one embodiment, the clamping piece comprises a mounting column, the mounting column is fixedly connected to one end of the threaded sleeve, which is opposite to the miniature servo motor, and one end of the mounting column, which faces to the axial lead of the positioning disc, is fixedly connected with clamping