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CN-122007744-A - Forming and welding equipment for metal shell of passenger plane

CN122007744ACN 122007744 ACN122007744 ACN 122007744ACN-122007744-A

Abstract

The invention discloses a forming welding device for a metal outer shell of a passenger plane, which relates to the technical field of welding, and particularly comprises a welding mechanical arm and a fixed rack matched with the welding mechanical arm, wherein the fixed rack comprises a bottom frame, side frames arranged at the tops of two ends of the bottom frame and an installation bearing plate arranged between the two side frames and used for limiting and fixing the outer shell, the welding mechanical arm comprises a base, a rotary joint arranged at the top of the base and a plurality of rotary arms arranged at the rotary ends of the rotary joints step by step, and a welding gun used for welding the outer shell is arranged at the end part of the rotary arm at the last stage. According to the invention, through the cooperation of the welding mechanical arm and the fixed rack, automatic welding operation can be realized, so that welding quality and welding efficiency can be ensured, and through arranging a plurality of groups of fixed racks, the cross proceeding of feeding, welding and discharging procedures can be realized, and the welding efficiency is further improved.

Inventors

  • DING QINGGONG
  • ZOU FU
  • WANG HAN

Assignees

  • 重庆乾达信息技术有限公司

Dates

Publication Date
20260512
Application Date
20260406

Claims (10)

  1. 1. The molding and welding equipment for the metal shell of the passenger plane comprises a welding mechanical arm (1) and a fixed rack (2) matched with the welding mechanical arm (1), and is characterized in that, The fixed rack (2) comprises a bottom frame (3), side frames (4) arranged at the tops of two ends of the bottom frame (3) and an installation bearing plate (5) arranged between the two side frames (4) and used for limiting and fixing the outer shell; The welding mechanical arm (1) comprises a base (10), a rotary joint (11) arranged at the top of the base (10) and a plurality of rotating arms (12) arranged at the rotary end of the rotary joint (11) step by step, wherein the end part of the last rotating arm (12) is provided with a welding gun (13) for welding the outer shell.
  2. 2. The welding equipment for forming metal shells of airliners according to claim 1, wherein the number of groups of the fixed racks (2) is greater than or equal to two, which are arranged in a circular array on the periphery of the welding robot arm (1).
  3. 3. The welding equipment for forming metal shells of passenger aircraft according to claim 1, wherein bearing seats (9) are arranged in the upper parts of the two side frames (4), the inner sides of the bearing seats (9) are rotatably connected with rotating shafts (8) through bearings, the other ends of the rotating shafts (8) are connected with mounting bearing plates (5) for limiting and fixing the shells through flange groups (7), a motor (6) is fixed in one side frame (4), and an output shaft of the motor (6) is fixed at the end part of one rotating shaft (8).
  4. 4. The welding apparatus for forming metal shells for passenger aircraft according to claim 1, wherein the outer wall of the mounting carrier plate (5) is provided with a plurality of clamping elements (14) for clamping the shells.
  5. 5. The welding equipment for forming metal shells for passenger aircraft according to claim 4, wherein the clamping piece (14) comprises a clamping seat (23) and a clamping arm (20) and a rotating handle (21) which are rotatably connected to the clamping seat (23), a pedestal (24) is fixed at the bottom of the clamping seat (23) through bolts, the bottom of the pedestal (24) is fixed on the surface of the mounting bearing plate (5) through bolts, a clamping head (15) which is in contact with the shell and clamps the shell is arranged at the other end of the clamping arm (20), a connecting rod (22) is rotatably connected to the inner side of the rotating handle (21), and the other end of the connecting rod (22) is rotatably connected to the side wall of the clamping arm (20).
  6. 6. The welding equipment for forming metal shells of passenger aircraft according to claim 5, wherein the waist-shaped holes (17) are formed in the end portions of the clamping arms (20), the screw (16) penetrates through the inner portion of the universal ball joint (27), the clamping heads (15) are fixed to the bottoms of the screw (16), the outer walls of the screw (16) located on two sides of the waist-shaped holes (17) are respectively provided with a fastening nut (19) through threaded connection, and gaskets (18) are arranged between the fastening nuts (19) and the waist-shaped holes (17).
  7. 7. The welding equipment for forming metal shells of passenger aircraft according to claim 1, wherein the outer wall of the mounting carrier plate (5) is provided with a plurality of limiting arms (25) for clamping and fixing the shells.
  8. 8. The welding equipment for forming metal shells of passenger aircraft according to claim 7, wherein the limiting arm (25) comprises an expansion joint and universal ball joints (27) arranged on two sides of the expansion joint, one end of the expansion joint is connected with a pedestal II (26) through the universal ball joints (27), the pedestal II (26) is fixed on the outer wall of the installation bearing plate (5) through bolts, the other end of the expansion joint is connected with an internal thread seat (32) through the universal ball joints (27), and the internal thread seat (32) is matched with a threaded pin (31).
  9. 9. The welding apparatus for a metal outer casing of a guest machine according to claim 8, wherein the telescopic joint comprises two threaded rods (28) and an internal thread cylinder (30) connected to the outer walls of the two threaded rods (28) by threads of opposite directions, and the outer wall of each threaded rod (28) is connected with a locking nut (29) by threads.
  10. 10. The welding device for forming a metal casing of a visitor machine according to claim 8, wherein the universal ball joint (27) comprises a ball ring (36) and a ball head (33) movably arranged inside the ball ring (36), a plurality of shrinkage grooves (34) are formed in openings of the ball ring (36), and hoops (35) are arranged on the outer wall of the ball ring (36) located at the shrinkage grooves (34).

Description

Forming and welding equipment for metal shell of passenger plane Technical Field The invention relates to the technical field of welding, in particular to a forming welding device for a metal shell of a visitor machine. Background The visitor client (or visitor registration management terminal) is an intelligent device widely applied to enterprises and public institutions, parks, office buildings and other places and used for realizing visitor identity identification, registration, authorization and management. The device is generally composed of a metal structure shell, a man-machine interaction module, a control and calculation module and an auxiliary function module, wherein the manufacturing quality of the metal structure shell directly determines the overall stability, safety, appearance quality and service life of the device. The shell is usually assembled by a plurality of sheet metal parts which are formed by stamping and bending, and the separated sheet metal parts are connected into a solid and sealed whole, and welding is the most main and indispensable technological means at present However, the welding production of the current guest casings, especially for flexible manufacturing requirements of many varieties, small batches, still presents significant problems. The traditional welding mode (such as manual argon arc welding and spot welding) or the special machine with lower automation degree generally has the pain points of low efficiency, high dependence on the skill of operators, difficult control of welding thermal deformation, poor weld seam consistency, complex product production changing and debugging of different models and the like. This results in high production cost, large fluctuation of product yield, and difficulty in unification of appearance quality, and is difficult to adapt to modern manufacturing trends of high-end, large-scale and flexibility. Therefore, development of a novel, highly automated and intelligent special forming welding device is needed to solve the technical bottleneck and realize high-quality, high-efficiency and high-consistency flexible manufacturing of the metal shell of the visitor machine. Disclosure of Invention The invention aims to solve the defects in the prior art and provides a forming and welding device for a metal shell of a passenger aircraft. In order to achieve the above purpose, the present invention adopts the following technical scheme: The welding equipment comprises a welding mechanical arm and a fixed rack matched with the welding mechanical arm, wherein the fixed rack comprises a bottom frame, side frames arranged at the tops of two ends of the bottom frame and an installation bearing plate arranged between the two side frames and used for limiting and fixing the outer shell; The welding mechanical arm comprises a base, a rotary joint arranged at the top of the base and a plurality of rotary arms arranged at the rotary end of the rotary joint step by step, and a welding gun used for welding the outer shell is arranged at the end part of the rotary arm at the last stage. Preferably, the number of the groups of the fixed racks is greater than or equal to two groups, and the fixed racks are arranged on the periphery of the welding mechanical arm in a circular array. Further: the upper parts of the two side frames are internally provided with bearing seats, the inner sides of the bearing seats are rotatably connected with rotating shafts through bearings, the other ends of the rotating shafts are connected with mounting bearing plates used for limiting and fixing the outer shell through flange groups, the inside of one side frame is fixedly provided with a motor, and an output shaft of the motor is fixed at the end part of one rotating shaft. On the basis of the scheme, the outer wall of the mounting bearing plate is provided with a plurality of clamping pieces for clamping and fixing the outer shell. In the above scheme, the clamping piece comprises a clamping seat, a clamping arm and a rotating handle, wherein the clamping arm and the rotating handle are rotatably connected to the clamping seat, a first pedestal is fixed at the bottom of the clamping seat through bolts, the bottom of the first pedestal is fixed on the surface of the mounting bearing plate through bolts, the other end of the clamping arm is provided with a clamping head which is in contact with the outer shell and clamps the outer shell, the inner side of the rotating handle is rotatably connected with a connecting rod, and the other end of the connecting rod is rotatably connected to the side wall of the clamping arm. As a further scheme of the invention, a waist-shaped hole is formed in the end part of the clamping arm, a screw rod penetrates through the inner part of the universal ball joint, the chuck is fixed at the bottom of the screw rod, the outer walls of the screw rod, which are positioned on two sides of the waist-shaped hole, are respectively connected with a f