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CN-116353053-B - 3D printer for aviation high-strength parts and printing method thereof

CN116353053BCN 116353053 BCN116353053 BCN 116353053BCN-116353053-B

Abstract

The invention relates to an aviation high-strength part 3D printer which comprises a double-shaft single-arm cam rotary table, a first horizontal driving assembly, a second horizontal driving assembly, a lifting driving assembly and a double-nozzle assembly. According to the 3D printer for the aviation high-strength parts, when printing is carried out, the first horizontal driving assembly, the second horizontal driving assembly and the lifting driving assembly are matched in driving mode to realize moving printing of XYZ axes of the double-nozzle assembly, then the double-end rotation of the double-shaft single-arm cam turntable is used for driving a part to be printed to realize horizontal rotation and vertical swinging, and the five-axis driving matching is used for realizing omnibearing 3D printing, so that the printer has the advantages of simple structure, low subsequent maintenance cost and suitability for batch generation. A3D printing method for aviation high-strength parts comprises the following steps of A, placing required materials on a double-end feeding assembly. The 3D printing method for the aviation high-strength parts has the advantages that the 3D printing method is simple in structure, low in subsequent maintenance cost and suitable for batch generation, and omnidirectional 3D printing is realized by adopting five-axis driving cooperation.

Inventors

  • XIAO GUODONG
  • YU QIAN

Assignees

  • 无锡有田五维增材科技有限公司

Dates

Publication Date
20260512
Application Date
20230325

Claims (5)

  1. 1. The 3D printer for the aviation high-strength parts is characterized by comprising a double-shaft single-arm cam rotary table, a first horizontal driving assembly, a second horizontal driving assembly, a lifting driving assembly, a double-nozzle assembly, a double-end feeding assembly and a shooting scanning assembly, wherein the first horizontal driving assembly is arranged on the double-shaft single-arm cam rotary table, the second horizontal driving assembly is arranged at the output end of the first horizontal driving assembly, the output direction of the second horizontal driving assembly is perpendicular to the output direction of the first horizontal driving assembly, the lifting driving assembly and the double-end feeding assembly are both arranged at the output end of the second horizontal driving assembly, the double-nozzle assembly is arranged at the output end of the lifting driving assembly and communicated with the double-end feeding assembly, the shooting scanning assembly is arranged at one side of the first horizontal driving assembly, and the shooting end of the double-end is arranged towards the double-shaft single-arm cam rotary table; The double-end feeding assembly comprises a wire feeder and a particle feeder, wherein the wire feeder and the particle feeder are respectively positioned at two sides corresponding to the lifting driving assembly and are respectively communicated with two output heads on the double-nozzle assembly; The wire feeder comprises a supporting plate, a feeding roll, a wiring connection unit and a control elastic swinging rod, wherein the supporting plate is arranged at the output end of a lifting driving assembly, the feeding roll, the wiring connection unit and the control elastic swinging rod are all arranged on the supporting plate, the wiring connection unit is positioned between the feeding roll and the control elastic swinging rod, a first driving motor for driving the feeding roll to rotate and a second driving motor for driving the elastic swinging rod to swing are arranged on the surface of the supporting plate, facing the particle feeder, of the supporting plate, a large gear is arranged at the swinging end of the driving elastic swinging rod, and a small gear meshed with the large gear is arranged at the output end of the second driving motor; the wiring connection unit comprises two guide transmission clamps, a double-end horizontal rodless driving cylinder and a heating connection pipeline, wherein the double-end horizontal rodless driving cylinder and the heating connection pipeline are both arranged on the supporting plate, the driving direction of the double-end horizontal rodless driving cylinder is arranged between the feeding roll and the control elastic swinging rod in a back-and-forth driving mode, the two guide transmission clamps are respectively arranged at two output ends of the horizontal rodless driving cylinder, and the heating connection pipeline is arranged between the two guide transmission clamps; The guide transmission clamp comprises a clamping jaw cylinder and two guide rings, wherein the clamping jaw cylinder is arranged at the output end of the double-end horizontal rodless driving cylinder, the two guide rings are respectively arranged on two clamping jaws of the clamping jaw cylinder, and the two guide rings are coaxially arranged; the wiring connection unit further comprises a cutting piece, and the cutting piece is located at one side of the heating connection pipeline close to the tightness control swing rod.
  2. 2. The 3D printer for aviation high-strength parts according to claim 1, wherein the particle feeder comprises a mounting seat, a discharging barrel, a hot melting pipeline unit, a transmission pipe, a transmission screw unit and a heat preservation telescopic pipe, the mounting seat is mounted on the output end of the lifting driving assembly, the discharging barrel is placed on the mounting seat, a lower outlet of the discharging barrel is in threaded connection with the input end of the hot melting pipeline unit, the transmission pipe is in threaded connection with the output end of the hot melting pipeline unit, the transmission screw unit is rotatably mounted in the transmission pipe, a connecting pipe is mounted at the input end of the heat preservation telescopic pipe, the connecting pipe is in threaded connection with the output end of the transmission pipe, and an air pump is mounted on the connecting pipe.
  3. 3. The 3D printer of claim 1, wherein the first horizontal driving assembly comprises a first driving cylinder and a second driving cylinder, and the first driving cylinder and the second driving cylinder are respectively positioned on two corresponding sides of the double-shaft single-arm cam rotary table.
  4. 4. The 3D printer for aviation high-strength parts of claim 1, wherein the double-shaft single-arm cam rotary table comprises a base, a first rotating driving end and a second rotating driving end, the first rotating driving end is arranged on the base, the second rotating driving end is arranged on the output end of the first rotating driving end, and the rotating central axis of the first rotating driving end is perpendicular to the rotating central axis of the second rotating driving end.
  5. 5. Printing method based on an aviation high-strength part 3D printer according to any of claims 1-4, characterized in that it comprises the following steps: A. placing a desired material on the double-ended feed assembly; B. placing a magnetic printing disc on a double-shaft single-arm cam rotary table; C. Starting up for printing, driving the double-spray head assembly XYZ shafts to print through the cooperation of the first horizontal driving assembly, the second horizontal driving assembly and the lifting driving assembly, and driving the magnetic printing disc to horizontally rotate and vertically rotate to form five-shaft driving printing through cooperation of the double-shaft single-arm cam turntable; D. And (5) taking down the magnetic printing disc after printing is completed.

Description

3D printer for aviation high-strength parts and printing method thereof Technical Field The invention belongs to the technical field of 3D printing, and particularly relates to a 3D printer for aviation high-strength parts and a printing method thereof. Background At present, 3D printing technology, namely one of rapid prototyping technology, also called additive manufacturing, is a technology for constructing objects by using powdery metal or plastic and other bondable materials in a layer-by-layer printing mode based on digital model files. In the driving device for 3D printing, a cradle turntable is commonly used for realizing the bearing of a printing substrate and driving the printing substrate to rotate, and the center of a turntable rotating shaft of the existing finished turntable is basically higher than the center of a cradle arm rotating shaft or is lower than the center of the cradle arm rotating shaft at a point, so that the rotating radius is in an upper semicircle when the cradle arm rotates by plus or minus 90 degrees, the position of a spray head installed in the Z-axis direction is required to be higher than the turntable rotating shaft, the whole mechanical structure is also increased, and the total height and the cost of the 3D printing driving device are increased. Disclosure of Invention In view of the defects of the prior art, the technical problem to be solved by the invention is to provide an aviation high-strength part 3D printer and a printing method thereof, which can increase the efficiency of five-axis printing. In order to solve the technical problems, the technical scheme is that the aviation high-strength part 3D printer comprises a double-shaft single-arm cam rotary table, a first horizontal driving component, a second horizontal driving component, a lifting driving component, a double-nozzle component, a double-end feeding component and a shooting scanning component, wherein the first horizontal driving component is arranged on the double-shaft single-arm cam rotary table, the second horizontal driving component is arranged on the output end of the first horizontal driving component, the output direction of the second horizontal driving component is perpendicular to the output direction of the first horizontal driving component, the lifting driving component and the double-end feeding component are arranged on the output end of the second horizontal driving component, the double-nozzle component is arranged on the output end of the lifting driving component and is communicated with the double-end feeding component, and the shooting scanning component is arranged on one side of the first horizontal driving component and the shooting end of the double-shaft single-arm cam rotary table. The double-end feeding assembly comprises a wire feeder and a particle feeder, wherein the wire feeder and the particle feeder are respectively positioned at two sides corresponding to the lifting driving assembly and are respectively communicated with two output heads on the double-nozzle assembly. The wire feeder comprises a supporting plate, a feeding roll, a wiring connecting unit and a control elastic swinging rod, wherein the supporting plate is arranged at the output end of a lifting driving assembly, the feeding roll, the wiring connecting unit and the control elastic swinging rod are all arranged on the supporting plate, the wiring connecting unit is positioned between the feeding roll and the control elastic swinging rod, a first driving motor for driving the feeding roll to rotate and a second driving motor for driving the elastic swinging rod to swing are arranged on the surface of the supporting plate, facing the particle feeder, of the supporting plate, a large gear is arranged at the swinging end of the driving control elastic swinging rod, and a small gear meshed with the large gear is arranged at the output end of the second driving motor. The wiring connection unit comprises two guide transmission clamps, a double-end horizontal rodless driving cylinder and a heating connection pipeline, wherein the double-end horizontal rodless driving cylinder and the heating connection pipeline are both arranged on a supporting plate, the driving direction of the double-end horizontal rodless driving cylinder is set up by driving back and forth between a feeding roll and a control elastic swinging rod, the two guide transmission clamps are respectively arranged at two output ends of the horizontal rodless driving cylinder, and the heating connection pipeline is positioned between the two guide transmission clamps. The guide transmission clamp comprises a clamping jaw cylinder and two guide rings, wherein the clamping jaw cylinder is arranged at the output end of the double-end horizontal rodless driving cylinder, the two guide rings are respectively arranged on the two clamping jaws of the clamping jaw cylinder, and the two guide rings are coaxially arranged. The wiring connection unit fur