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CN-116572019-B - Barrel section wallboard processing system and barrel section wallboard processing method

CN116572019BCN 116572019 BCN116572019 BCN 116572019BCN-116572019-B

Abstract

The invention provides a barrel section wallboard processing system and a barrel section wallboard processing method, comprising a workbench, a welding unit, a milling unit, a clamping tool and a clamping tool, wherein a working guide rail is arranged on the workbench, a first transmission mechanism is arranged on the welding unit, the welding unit is suitable for moving along the working guide rail under the action of the first transmission mechanism and is suitable for friction welding of stringers and skins, the milling unit is arranged on the working guide rail, a second transmission mechanism is arranged on the milling unit, the milling unit is suitable for moving along the working guide rail under the action of the second transmission mechanism and is suitable for milling the skins, and the clamping tool is arranged on the workbench and is adjacent to the working guide rail between the welding unit and the milling unit and is suitable for limiting the stringers and the skins. The arrangement enables the welding connection of the stringers and the skin to be automatic, improves the manufacturing efficiency of the storage box, and simultaneously, the welding unit and the milling unit are separated and independently move, so that different procedures can be realized by the system conveniently, and the application range is improved.

Inventors

  • WANG LI
  • PENG XIAOBO
  • LIU GUOCHANG

Assignees

  • 北京星际智造科技有限公司
  • 北京星际荣耀空间科技股份有限公司

Dates

Publication Date
20260508
Application Date
20230427

Claims (19)

  1. 1. A barrel section wallboard processing system, comprising: a workbench (1) on which a working guide rail (11) is arranged; The welding unit is arranged on the working guide rail (11), is provided with a first transmission mechanism (21), is suitable for moving along the working guide rail (11) under the action of the first transmission mechanism (21), and is suitable for friction welding of the stringer (9) and the skin (8); The milling unit is arranged on the working guide rail (11), is provided with a second transmission mechanism (41), and is suitable for moving along the working guide rail (11) under the action of the second transmission mechanism (41) and milling the skin (8); The clamping tool is arranged on the workbench (1), is arranged adjacent to a working guide rail (11) between the welding unit and the milling unit, and is suitable for limiting the stringer (9) and the skin (8), and comprises: the bearing foundation (6) is arranged on the workbench (1) and is suitable for bearing a skin (8), a first locking structure (621) is arranged on the bearing foundation (6), the bearing foundation (6) comprises a base (61), an arc groove structure (62), a connecting piece (63) and a pressing component (64), the base (61) is detachably connected with the workbench (1) and is arranged adjacent to the working guide rail (11), the arc groove structure (62) is arranged on the base (61), the first locking structure (621) is arranged on the arc groove structure (62), the connecting piece (63) is arranged on the arc groove structure (62), and the pressing component (64) is arranged on the arc groove structure (62) and is suitable for limiting the skin (8); the clamp structure (7) is movably connected with the connecting piece (63) of the bearing foundation (6) and is suitable for bearing the stringer (9), the clamp structure (7) is provided with a turnover state which is opened with the bearing foundation (6) and a buckling state which rotates towards the bearing foundation (6), the clamp structure (7) is provided with a first locking matching structure (711), the first locking matching structure (711) is in limit connection with the first locking structure (621) when the clamp structure (7) is in the buckling state, the skin (8) and the stringer (9) are enabled to be in mutual abutting locking state, the clamp structure (7) comprises a clamp main body (71) and a plurality of clamp pressing structures (72), the clamp main body (71) and the connecting piece (63) are movably connected, the clamp structure (711) is provided with a plurality of clamping groove structures (712) which are arranged in an arc shape and are mutually connected, the clamping groove structures (712) are suitable for containing the limit groove (9), and the clamp structure (62) is correspondingly arranged on the clamping groove (72) and the stringer (712).
  2. 2. The barrel section wall processing system according to claim 1, wherein the arc groove structure (62) extends in a direction perpendicular to the working rail (11).
  3. 3. The barrel section wall processing system according to claim 1, wherein the connecting piece (63) is hinged to the clamp structure (7), and the connecting piece (63) and the first locking structure (621) are respectively arranged at intervals along two ends of the arc groove structure (62).
  4. 4. The barrel section wall panel machining system of claim 1, wherein the hold down assembly (64) comprises: A plurality of adsorption structures (641) which are distributed in the arc groove structures (62) and are suitable for adsorbing the skin (8); The limiting blocks (642) are arranged in a protruding mode along the inner wall of the arc groove structure (62) and are arranged in a linear mode along the circumferential direction of the arc groove structure (62) and are suitable for being abutted to the end portion of the skin (8); The side edge pressing structures (643) are arranged along the lateral outer edges of the arc groove structures (62) and are in communication connection with the milling units, and the side edge pressing structures have a limiting state of clamping the lateral edges of the limiting skin (8) and a yielding state of being far away from the skin (8) and separated from the clamping the limiting skin (8).
  5. 5. The barrel section wall panel processing system of any one of claims 1-4, wherein said welding unit comprises: the welding gantry (2) is arranged on the working guide rail (11), a welding motion structure and the first transmission mechanism (21) are arranged on the welding gantry, and the first transmission mechanism (21) is movably connected with the working guide rail (11); the welding machine head (3) is connected with the welding movement structure, is suitable for moving in a space range under the action of the welding movement structure, and is suitable for friction welding the stringer (9) and the skin (8).
  6. 6. The barrel section wall processing system of claim 5, wherein said welding motion structure comprises: The first horizontal movement assembly (22) comprises a first bearing platform (221), a first guide piece (222) and a first horizontal driving piece (223), wherein the first guide piece (222) is arranged on the welding gantry (2) along the horizontal direction, the first bearing platform (221) is movably connected with the first guide piece (222), and the first bearing platform (221) is suitable for reciprocating movement along the first guide piece (222) under the action of the first horizontal driving piece (223); The first lifting motion assembly (23) comprises a second bearing platform (231), a second guide piece (232) and a first lifting driving piece, wherein the second guide piece (232) is arranged on the first bearing platform (221) along the vertical direction, the welding machine head (3) is connected and arranged on the second bearing platform (231), the second bearing platform (231) is movably connected with the second guide piece (232), and the second bearing platform (231) is suitable for being driven by the first lifting driving piece to reciprocate along the second guide piece (232).
  7. 7. The barrel section wall processing system according to claim 6, wherein the welding head (3) comprises: The machine head comprises a machine head main body (31), wherein a first shaft body (311) and a second shaft body (312) are arranged on the machine head main body, the first shaft body (311) is rotationally connected with the second bearing platform (231), and the first shaft body (311) and the second shaft body (312) are arranged in a staggered mode; The machine head split body (32) is movably connected with the second shaft body (312), a welding end head (33) is arranged on the machine head split body (32), the welding end head (33) is suitable for friction welding of a surface to be welded, a swinging shaft is arranged in the machine head split body (32), the swinging shaft and the second shaft body (312) are arranged in a staggered mode and are mutually movably connected, and the welding end head (33) is suitable for adjusting the inclination angle under the action of the first shaft body (311), the second shaft body (312) and the swinging shaft.
  8. 8. The barrel section wall panel machining system of claim 7, wherein the weld head (33) comprises: The end head base is connected with the machine head split body (32) and is suitable for adjusting the dip angle under the action of the machine head split body (32), and a shaft shoulder shaft sleeve (334) is arranged at one end of the end head base, which is far away from the machine head split body (32); The stirring pin shaft sleeve (333) is arranged inside the end head base, one end of the stirring pin shaft sleeve is connected with an end head driving piece (335) and is suitable for driving the stirring pin shaft sleeve (333) to rotate along the axis of the stirring pin shaft sleeve, the other end of the stirring pin shaft sleeve extends towards the shaft shoulder shaft sleeve (334), and a telescopic driving piece is arranged on the stirring pin shaft sleeve; Friction part, including pin (332) and spacing shaft shoulder (331), spacing shaft shoulder (331) one end sets up shaft shoulder axle sleeve (334) inboard, and with shaft shoulder axle sleeve (334) swing joint, it keeps away from the other end of aircraft nose components of a whole that can function independently (32) is provided with the axle mouth, pin (332) one end with pin axle sleeve (333) coaxial coupling is suitable for under the drive of flexible driving piece relative pin axle sleeve (333) is flexible motion, the other end of pin (332) wears out the axle mouth, and with the setting of crossing the axle mouth connection has with wait to weld the face friction heat and make the working condition of waiting to weld face and adjacent interface welded connection.
  9. 9. The barrel section wall processing system of any one of claims 1-4, 6-8, wherein said milling unit comprises: The milling gantry (4) is arranged on the working guide rail (11), a milling movement structure and the second transmission mechanism (41) are arranged on the milling gantry, and the second transmission mechanism (41) is movably connected with the working guide rail (11); the milling tool bit (5) is connected with the milling movement structure, is suitable for moving in a space range under the action of the milling movement structure, and is suitable for milling the skin (8).
  10. 10. The barrel section wall processing system of claim 9, wherein said milling motion structure comprises: The second horizontal movement assembly (42) comprises a third bearing platform (421), a third guide piece (422) and a second horizontal driving piece (423), wherein the third guide piece (422) is arranged on the milling gantry (4) along the horizontal direction, the third bearing platform (421) is movably connected with the third guide piece (422), and the third bearing platform (421) is suitable for reciprocating movement along the third guide piece (422) under the action of the second horizontal driving piece (423); The second lifting motion assembly (43) comprises a fourth bearing platform (431), a fourth guide piece (432) and a second lifting driving piece (433), wherein the fourth guide piece (432) is arranged on the fourth bearing platform (431) along the vertical direction, the milling cutter head (5) is connected and arranged on the fourth bearing platform (431), the fourth bearing platform (431) is movably connected with the fourth guide piece (432), and the fourth bearing platform (431) is suitable for reciprocating motion along the fourth guide piece (432) under the action of the second lifting driving piece (433).
  11. 11. The cartridge segment wall panel machining system according to claim 10, wherein the milling cutter head (5) comprises: the cutter head main body (51) is provided with a third shaft body (511), and the third shaft body (511) is rotationally connected with the fourth bearing platform (431); the cutter head split body (52) is provided with a fourth shaft body (521) and a cutter body (522), the fourth shaft body (521) is rotationally connected with the cutter head split body (52), the third shaft body (511) and the fourth shaft body (521) are arranged in a staggered mode, and the cutter body (522) is suitable for milling the skin (8).
  12. 12. The barrel section wall processing system of claim 1, further comprising: and the controller is respectively in communication connection with the welding unit, the oblique cutting unit and the clamping tool.
  13. 13. A method of barrel section wall panel processing applied to the barrel section wall panel processing system of any one of claims 1-12, the barrel section wall panel processing method comprising: s1, limiting and arranging a skin (8) on a clamping tool; s2, milling the skin (8) through a milling unit to remove the redundant skin (8); s3, arranging a plurality of stringers (9) at a plurality of preset positions on the skin (8) in a corresponding limit manner; S4, friction welding the skin (8) and the stringers (9) through a welding unit.
  14. 14. The method of claim 13, wherein step S2 comprises: s21, driving the milling unit to move to a position adjacent to the clamping tool; S22, adjusting a cutter body (522) of the milling unit to enable the cutter body to be flush with a preset milling base line (611) on one side of an arc groove structure (62) of a clamping tool for bearing the skin (8); S23, adjusting a cutter body (522) of the milling unit to move along a preset milling base line (611) so as to mill the side margin of the skin (8); s24, adjusting the cutter body (522) of the milling unit to be replaced to the other side of the arc groove structure (62) and to be arranged flush with a preset milling base line (611), and driving the milling unit to reset after the step S23 is executed.
  15. 15. The method of claim 14, wherein step S23 further comprises: s231, acquiring the movement stroke of the cutter body (522), controlling each side edge pressing structure (643) to sequentially change from a limiting state to a yielding state, and avoiding the cutter body (522).
  16. 16. The method of any one of claims 13-15, wherein step S3 comprises: s31, driving the welding unit to move to a position adjacent to the clamping tool; S32, adjusting a welding end (33) of the welding unit, arranging the welding end adjacent to a surface to be welded of a stringer (9) on the skin (8), and driving the welding end (33) to rotate to a preset inclination angle; s33, adjusting the motion trail of the welding end (33) to coincide with a preset welding line (91) on a surface to be welded, and performing friction welding on the stringer (9) and the skin (8); S34, adjusting a welding end (33), arranging the welding end adjacent to a surface to be welded of another stringer (9) on the skin (8), driving the welding end (33) to rotate to another preset inclination angle, and executing the step S33; S35, after all stringers (9) on the skin (8) are welded, driving the welding unit to reset.
  17. 17. The method of claim 16, further comprising, after step S33: S331, removing burrs and other redundant materials on two sides of the preset welding line (91).
  18. 18. The method of claim 16, wherein step S33 further comprises S330, manually driving a welding end (33) of the welding unit to move along a preset welding line (91) to carry out welding teaching.
  19. 19. The method of any one of claims 13-15, 17-18, wherein step S1 comprises: S11, bending the metal plate roller into an arc plate-shaped skin (8); s12, arranging a skin (8) on an arc groove structure (62) of the clamping tool; s13, starting a compressing assembly (64) to compress and limit the skin (8).

Description

Barrel section wallboard processing system and barrel section wallboard processing method Technical Field The invention relates to the technical field of aircraft equipment manufacturing, in particular to a barrel section wallboard processing system and a barrel section wallboard processing method. Background In the structure of the liquid carrier rocket body, the storage tank carries fuel required by the rocket in the flying process, and the storage tank is a larger and more critical structural component in the rocket body structure and is also an important factor for limiting the production efficiency and cost of the rocket. Currently, in the conventional manufacturing process of a storage tank, each barrel section wall plate constituting the storage tank is usually processed into a grid reinforcement structure by adopting a mechanical milling or chemical milling process, so as to realize the dual requirements of weight reduction and strength of the structure. However, chemical milling technology has large environmental pollution, mechanical milling technology has low processing efficiency and high equipment requirement, and the technical characteristics directly lead to the current situations of high production cost and long processing period of the existing storage tank. At present, the adoption of a frame truss structure design is one of effective methods for realizing low-cost and rapid manufacturing of the storage tank. The barrel section wall plate of the frame truss structure storage box can be bent by adopting a light plate, the bent skin and the stringer are welded into the frame truss structure wall plate, then the frame truss structure wall plate is spliced and welded into a barrel section, and finally the complete frame truss structure storage box is spliced and welded. The frame truss structure storage box can ensure the structural strength, avoid a large number of mechanical milling or chemical milling procedures, improve the manufacturing efficiency of the storage box and reduce pollution. In the prior art, a specific welding mode of the storage box with the frame truss structure adopts a fusion welding process, such as double-beam laser welding, so as to realize the connection of the skin and the purlin of the wall plate with the frame truss structure. However, the fusion welding process has the defects of larger heat input, larger welding deformation, easy generation of air holes of fusion welding joints and the like, and the factors reduce the dimensional accuracy and the bearing performance of the molded surface of the storage tank, so that the overall performance of the storage tank cannot meet the design requirements. Disclosure of Invention Therefore, the technical problems to be solved by the invention are to overcome the problems of long wallboard processing period, high manufacturing cost, large deformation of fusion welding process, easy defect generation of welded joints and the like in the prior art, thereby providing a barrel section wallboard processing system and a barrel section wallboard processing method. The invention provides a barrel section wallboard processing system which comprises a workbench, a welding unit, a milling unit, a clamping tool and a clamping tool, wherein a working guide rail is arranged on the workbench, a first transmission mechanism is arranged on the welding unit, the welding unit is suitable for moving along the working guide rail under the action of the first transmission mechanism and is suitable for friction welding of stringers and skins, the milling unit is arranged on the working guide rail and is suitable for moving along the working guide rail under the action of the second transmission mechanism and is suitable for milling of the skins, and the clamping tool is arranged on the workbench and is adjacent to the working guide rail between the welding unit and the milling unit and is suitable for limiting the stringers and the skins. The clamping tool comprises a bearing base, a clamp structure and a stringer, wherein the bearing base is arranged on the workbench and is suitable for bearing a skin, a first locking structure is arranged on the bearing base, the clamp structure is movably connected with the bearing base and is suitable for bearing the stringer, a first locking matching structure is arranged on the clamp structure, and the first locking matching structure is in limiting connection with the first locking structure and enables the skin and the stringer to be in a mutually abutting locking state. The bearing foundation comprises a base platform, an arc groove structure, a connecting piece and a compressing assembly, wherein the base platform is detachably connected with the working platform and is arranged adjacent to the working guide rail, the arc groove structure is arranged on the base platform and is provided with the first locking structure, the connecting piece is arranged on the arc groove structure and is movably connecte