CN116727732B - Numerical control machining vertical milling machine and process for airplane wide rib parts - Google Patents

Numerical control machining vertical milling machine and process for airplane wide rib parts Download PDF

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Publication number
CN116727732B
CN116727732B CN202311012128.5A CN202311012128A CN116727732B CN 116727732 B CN116727732 B CN 116727732B CN 202311012128 A CN202311012128 A CN 202311012128A CN 116727732 B CN116727732 B CN 116727732B
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China
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fixedly connected
plate
sliding
column
guide
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CN116727732A (en
Inventor
王兴飞
高伟
钟庆瑞
蒋忠伟
刘忠林
卜令文
刘然
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Harbin Tianhe Machinery Manufacturing Co ltd
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Harbin Tianhe Machinery Manufacturing Co ltd
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Publication of CN116727732A publication Critical patent/CN116727732A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C1/00Milling machines not designed for particular work or special operations
    • B23C1/08Milling machines not designed for particular work or special operations with a plurality of vertical working-spindles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention relates to the technical field of milling machines, and discloses a vertical milling machine and a process for numerical control machining of airplane wide-rib parts, which solve the problem that a vertical milling machine can only further machine a drilled hole at a time and has low working efficiency; the processing of a plurality of drilled holes can be completed simultaneously, a plurality of planes can be milled conveniently simultaneously, and the working efficiency is improved.

Description

Numerical control machining vertical milling machine and process for airplane wide rib parts
Technical Field
The invention belongs to the technical field of milling machines, and particularly relates to a vertical milling machine for numerical control machining of airplane wide rib parts and a process.
Background
Milling machine mainly refers to a machine tool for machining various surfaces on a workpiece by using a milling cutter, vertical milling machine is machining equipment, the milling cutter used for the vertical milling machine is relatively flexible, has a wider application range, can be used for milling key grooves, milling planes, boring holes and the like by using an end milling cutter, a machine clamp cutter head, a drill bit and the like, and has the advantages that boring holes are needed to be bored in the machining process of airplane wide rib parts, a plurality of drilled holes are needed to be further machined on the wide rib parts, and the vertical milling machine can only further machine one drilled hole at a time, so that the working efficiency is low and certain limitation exists.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a numerical control vertical milling machine and a numerical control vertical milling process for machining airplane wide rib parts, which effectively solve the problem that in the prior art, only one drilling hole can be further machined by a vertical milling sheet in a single time, and the working efficiency is low.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a wide rib class part numerical control processing vertical milling machine of aircraft, including mount pad and frame, the mount pad runs through the frame, mount pad and frame pass through horizontal drive structure and connect, the through-hole has been seted up on the mount pad, be equipped with the lift seat in the through-hole, lift seat and mount pad pass through the lift unit and connect, the below of mount pad is equipped with first rectangle ring, be equipped with the rotatory stopper that is used for driving first rectangle ring on the lift seat, be equipped with a plurality of sliding seat in the first rectangle ring, sliding seat and first rectangle ring pass through the connection of slip locking mechanism, run through on the sliding seat has first pivot, the junction of first pivot and sliding seat is equipped with the bearing, be equipped with the slip rotating assembly who is used for driving a plurality of first pivot synchronous rotation on the first rectangle ring, the bottom fixedly connected with rotor plate of first pivot, the bottom of rotor plate is equipped with the movable column, the outside cover of movable column is equipped with the second rectangle ring, second rectangle ring and sliding seat are connected through first direction guide unit, the slot has been seted up to the bottom of movable column, the both sides of second rectangle ring are fixed connection has the spacing ring respectively, the bottom of second rectangle ring is equipped with the mounting panel and is equipped with the spacing motor, the spacing motor and is equipped with the spacing support through the first direction of spacing support, the spacing support is equipped with the spacing support of first perpendicular mounting panel of first direction, the spacing support is connected with the spacing support, the spacing support is used for the spacing support, the spacing support of spacing support, and the spacing support of the spacing support is used for the spacing support.
Preferably, the different direction meshing drive assembly includes fixed mounting in the first rack of first spacing post bottom, the bottom fixedly connected with first fly leaf of first rack, first fly leaf and mounting panel are connected through first hydraulic telescoping rod, the bottom fixedly connected with second rack of second spacing post, one side that the second rack is close to first rack is equipped with first gear, run through on the first gear has fixed connection's connecting axle, the outside cover of connecting axle is equipped with first curb plate, the junction of connecting axle and first curb plate is equipped with the bearing, first curb plate and mounting panel fixed connection, first gear meshes with second rack and first rack respectively, first guide way has been seted up on the second spacing post, fixedly connected with first guide block on the mounting panel, and first guide block is located first guide way.
Preferably, the first guiding unit comprises first fixing plates respectively fixedly mounted on two sides of the second rectangular ring, guiding columns penetrate through the first fixing plates, and two ends of each guiding column are respectively connected with the sliding seat through supporting plates.
Preferably, the second guide unit comprises second side plates symmetrically arranged on two sides of the mounting plate, the second side plates are connected with the second rectangular ring through connecting plates, second guide grooves are formed in the second side plates, second guide blocks are arranged in the second guide grooves, and the second guide blocks are fixedly connected with the mounting plate.
Preferably, the sliding locking mechanism comprises guide plates fixedly mounted on two sides of the sliding seat respectively, third guide grooves are formed in the inner walls of two sides of the first rectangular ring respectively, the guide plates are located in the third guide grooves, a second movable plate is arranged above the sliding seat and connected with the sliding seat through a second hydraulic telescopic rod, two pressing columns are fixedly connected to the bottom of the second movable plate, and the bottoms of the pressing columns are in contact with the top of the first rectangular ring.
Preferably, the sliding rotating assembly comprises a worm wheel fixedly mounted at the top end of the first rotating shaft, a worm meshed with the worm wheel is arranged above the sliding seat, a first supporting portion is sleeved outside the worm, a bearing is arranged at the joint of the worm and the first supporting portion, the first supporting portion is fixedly connected with the sliding seat, a second motor is fixedly connected to the first rectangular ring, the output end of the second motor is fixedly connected with the second rotating shaft, the worm is sleeved outside the second rotating shaft, a fourth guide groove is formed in the second rotating shaft, a guide bar is fixedly connected to the worm, the guide bar is located in the fourth guide groove, a second supporting portion is sleeved outside the second rotating shaft, a bearing is arranged at the joint of the second rotating shaft and the second supporting portion, and the second supporting portion is fixedly connected with the first rectangular ring.
Preferably, the sliding adjustment unit comprises a sliding block fixedly mounted at the top of the movable column, a sliding groove is formed in the rotating plate, the sliding block is located in the sliding groove, a screw rod in threaded connection is penetrated through the sliding block, two ends of the screw rod penetrate through the rotating plate, a bearing is arranged at the joint of the screw rod and the rotating plate, a first fixed disk is fixedly connected onto the screw rod, a plurality of limiting grooves are formed in the first fixed disk, a third supporting portion is fixedly connected onto the rotating plate, a third limiting column penetrates through the third supporting portion, one end of the third limiting column is located in one corresponding limiting groove, a second fixed disk is fixedly connected with the other end of the third limiting column, an extension spring is sleeved outside the third limiting column, and two ends of the extension spring are fixedly connected with the second fixed disk and the third supporting portion respectively.
Preferably, the horizontal driving structure comprises a second fixing plate fixedly mounted on the mounting seat, the second fixing plate is connected with the frame through a third hydraulic telescopic rod, the lifting unit comprises a bracket fixedly mounted on the lifting seat, and the top of the bracket and the top of the mounting seat are connected through a fourth hydraulic telescopic rod.
Preferably, the rotary fixer comprises a rotary frame fixedly mounted on the first rectangular ring, a third rotary shaft is fixedly connected to the rotary frame, the third rotary shaft penetrates through the lifting seat, a bearing is arranged at the joint of the third rotary shaft and the lifting seat, a second gear is fixedly connected to the top end of the third rotary shaft, a third motor is fixedly connected to the lifting seat, and a third gear meshed with the second gear is fixedly connected to the output end of the third motor.
The invention also provides a numerical control machining process for the aircraft wide rib type part, which uses the numerical control machining vertical milling machine for the aircraft wide rib type part, and comprises the following steps:
step one: the frame is placed at a preset processing position, an airplane wide rib part needing boring is placed below the first rectangular ring, a worker drives the sliding seat to slide relative to the first rectangular ring according to the interval between two adjacent parts needing boring, and after the position of the sliding seat is adjusted, the position of the sliding seat is limited through the sliding locking mechanism so that the sliding seat is fixedly locked relative to the first rectangular ring;
step two: according to the diameter of the boring hole to be machined, the movable column is driven to slide relative to the rotary plate through the sliding adjusting unit, and the distance between the movable column and the first rotary shaft is changed;
step three: after the position of the movable column is adjusted, the lifting seat is driven to move downwards through the lifting unit, so that the milling cutter moves downwards to a preset position, and the first motor drives the milling cutter to rotate;
step four: the sliding rotating assembly drives a plurality of first rotating shafts to synchronously rotate, the first rotating shafts drive the rotating plates and the movable columns to rotate, the movable columns slide in the second rectangular rings, and the movable columns drive the mounting plates, the first motors and the milling cutters to do circular motion through the first limiting columns;
step five: boring is carried out through the rotating milling cutter, and when the milling cutter rotates for one circle, the processing of a plurality of drilled holes can be completed simultaneously.
Compared with the prior art, the invention has the beneficial effects that:
(1) The frame is placed at a preset machining position, an airplane wide rib part needing boring is placed below a first rectangular ring, a worker drives a sliding seat to slide relative to the first rectangular ring according to the interval between two adjacent parts needing boring, after the position of the sliding seat is adjusted, the position of the sliding seat is limited through a sliding locking mechanism, so that the sliding seat is fixedly locked relative to the first rectangular ring, according to the diameter required to be machined by the boring, a movable column is driven to slide relative to a rotating plate through a sliding adjusting unit, the distance between the movable column and the first rotating shaft is changed, after the position of the movable column is adjusted, a lifting unit is used for driving the lifting seat to move downwards so as to enable a milling cutter to move downwards to the preset position, a first motor is used for driving the milling cutter to rotate, a sliding rotating assembly is used for driving a plurality of first rotating shafts to synchronously rotate, the rotating plate and the movable column to slide in a second rectangular ring, the movable column drives a mounting plate, the first motor and the milling cutter to perform circular motion, and the boring is performed through the rotating milling cutter, and after the boring is rotated for one circle, the machining of a plurality of holes can be completed at the same time, and the boring efficiency of the holes can be further improved;
(2) When a plane needs to be milled, the first limit column is driven to move downwards and the second limit column is driven to move upwards through the different-direction meshing driving assembly, the locking relation between the mounting plate and the movable column is relieved, meanwhile, the top end of the second limit column is inserted into the limit ring, the mounting plate is fixed relative to the second rectangular ring, the first motor drives the milling cutter to rotate, the sliding rotating assembly drives a plurality of first rotating shafts to synchronously rotate, when the first rotating shafts drive the rotating plate and the movable column to rotate, the movable column slides in the second rectangular ring, the movable column pushes the second rectangular ring to do linear motion, so that the first motor and the milling cutter do linear motion, a plurality of planes can be milled simultaneously, the first rectangular ring is driven to rotate through the rotator, the inclination angle of the linear motion of the milling cutter can be changed, and the mounting seat is driven to move relative to the horizontal direction of the frame through the horizontal driving structure, so that the milling cutter moves in the horizontal direction, and the initial position of the milling cutter is changed;
(3) When the top end of the first limiting column is positioned in the slot, and the second limiting column is separated from the limiting ring, the sliding rotating assembly drives the first rotating shafts to synchronously rotate, the first rotating shafts drive the rotating plates and the movable columns to rotate, the movable columns slide in the second rectangular ring, the mounting plate moves upwards along with the movable columns to make the top end of the second limiting column slide relative to the second rectangular ring while performing circular motion, the second guide block slides in the second guide groove, the mounting plate moves stably relative to the second rectangular ring through the design of the second side plate, the connecting plate, the second guide groove and the second guide block, the first movable plate drives the first movable plate to move downwards through the first rack, the first movable plate drives the first limiting column to rotate through the first rack, the first gear drives the second limiting column to move upwards through the second rack, and the top end of the second limiting column is inserted into the limiting ring, the mounting plate moves stably relative to the vertical direction through the design of the first guide groove and the first guide block, and the mounting plate moves stably relative to the second rectangular ring while the first movable plate drives the first rack to drive the first movable column to slide relatively to the first rectangular ring, and the mounting plate slides relatively to the first rectangular ring;
(4) The second hydraulic telescopic rod drives the second movable plate to move upwards relative to the first rectangular ring through the design of the guide plate and the third guide groove, so that the bottom end of the pressing column does not press the first rectangular ring any more, the fixed relation between the first rectangular ring and the sliding seat can be relieved, the worker drives the sliding seat to slide relative to the first rectangular ring, the guide plate slides in the third guide groove, when the guide plate and the sliding seat move to a preset position, the second hydraulic telescopic rod drives the second movable plate and the pressing column to move downwards, so that the bottom end of the pressing column presses the first rectangular ring, the sliding seat can be fixed relative to the first rectangular ring, when the sliding seat slides relative to the first rectangular ring, the worm slides on the second rotating shaft, and the guide bar slides in the fourth guide groove, and when the first rotating shaft needs to be driven to rotate, the second motor drives the worm to rotate through the guide bar, and the worm wheel rotates through the first rotating shaft, and the possibility of tilting in the rotating process of the worm wheel is reduced through the design of the second supporting part and the bearing;
(5) The second fixed disc is driven by a worker to move so that one end of the third limit column is separated from the limit groove, the tension spring is in a tension state, the limitation on the position of the first fixed disc is relieved, the first fixed disc is driven by the worker to rotate, the screw rod is driven by the first fixed disc to rotate, the screw rod driving sliding block slides in the sliding groove, the position of the movable column can be adjusted, after the position of the movable column is adjusted, the second fixed disc is loosened by the worker, the second fixed disc and the third limit column are driven by the tension spring to move, so that one end of the third limit column is inserted into the corresponding limit groove, the first fixed disc is fixed relative to the rotary plate, and the screw rod and the first fixed disc are prevented from rotating due to non-human factors;
(6) The second fixing plate and the mounting seat are driven to move in the horizontal direction relative to the frame through the third hydraulic telescopic rod, the position of the mounting seat can be adjusted, the lifting seat and the height of the first rectangular ring can be adjusted through the vertical movement of the fourth hydraulic telescopic rod driving support, the height of the milling cutter can be adjusted, the third gear is driven to rotate through the third motor, the third gear is driven to rotate through the second gear, the third rotating shaft drives the rotating frame to rotate the first rectangular ring, and the inclination angle of the first rectangular ring can be changed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged partial schematic view of the present invention at A in FIG. 1;
FIG. 3 is a schematic view of a rotating frame according to the present invention;
FIG. 4 is a schematic view of the structure of the first guiding unit of the present invention;
FIG. 5 is an enlarged partial schematic view of the present invention at B in FIG. 4;
FIG. 6 is a schematic view of the bottom of the sliding seat according to the present invention;
FIG. 7 is a schematic cross-sectional view of a rotating plate according to the present invention;
FIG. 8 is a schematic view of the structure of the anisotropic meshing driving assembly of the present invention;
FIG. 9 is a schematic cross-sectional view of a mounting plate of the present invention.
In the figure: 1. a mounting base; 2. a frame; 3. a through hole; 4. a lifting seat; 5. a first rectangular ring; 6. a sliding seat; 7. a first rotating shaft; 8. a rotating plate; 9. a movable column; 10. a second rectangular ring; 11. a slot; 12. a limiting ring; 13. a mounting plate; 14. a first motor; 15. a connecting column; 16. a first limit post; 17. the second limit column; 18. a first rack; 19. a first movable plate; 20. a first hydraulic telescoping rod; 21. a second rack; 22. a first gear; 23. a connecting shaft; 24. a first side plate; 25. a first guide groove; 26. a first guide block; 27. a second side plate; 28. a connecting plate; 29. a second guide groove; 30. a second guide block; 31. a first fixing plate; 32. a guide post; 33. a support plate; 34. a guide plate; 35. a third guide groove; 36. a second movable plate; 37. a second hydraulic telescoping rod; 38. pressing the column; 39. a worm wheel; 40. a worm; 41. a first support portion; 42. a second rotating shaft; 43. a fourth guide groove; 44. a guide bar; 45. a second motor; 46. a second supporting part; 47. a slide block; 48. a chute; 49. a screw rod; 50. a first fixed plate; 51. the third limit column; 52. a limit groove; 53. a third supporting part; 54. a second fixed disk; 55. a tension spring; 56. a second fixing plate; 57. a third hydraulic telescoping rod; 58. a bracket; 59. a fourth hydraulic telescoping rod; 60. a rotating frame; 61. a third rotating shaft; 62. a second gear; 63. a third motor; 64. a third gear; 65. milling cutter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The first embodiment, given by fig. 1 to 9, the invention comprises a mounting seat 1 and a frame 2, the mounting seat 1 penetrates through the frame 2, the mounting seat 1 and the frame 2 are connected through a horizontal driving structure, a through hole 3 is arranged on the mounting seat 1, a lifting seat 4 is arranged in the through hole 3, the lifting seat 4 and the mounting seat 1 are connected through a lifting unit, a first rectangular ring 5 is arranged below the mounting seat 1, a rotator for driving the first rectangular ring 5 to rotate is arranged on the lifting seat 4, a plurality of sliding seats 6 are arranged in the first rectangular ring 5, the sliding seats 6 are connected with the first rectangular ring 5 through a sliding locking mechanism, a first rotating shaft 7 penetrates through the sliding seats 6, a bearing is arranged at the joint of the first rotating shaft 7 and the sliding seats 6, a sliding rotating component for driving a plurality of the first rotating shafts 7 to synchronously rotate is arranged on the first rectangular ring 5, a rotating plate 8 is fixedly connected at the bottom end of the first rotating shaft 7, the bottom of the rotary plate 8 is provided with a movable column 9, the movable column 9 and the rotary plate 8 are connected through a sliding adjusting unit, a second rectangular ring 10 is sleeved outside the movable column 9, the second rectangular ring 10 and a sliding seat 6 are connected through a first guiding unit, the bottom end of the movable column 9 is provided with a slot 11, two sides of the second rectangular ring 10 are respectively and fixedly connected with a limiting ring 12, the bottom of the second rectangular ring 10 is provided with a mounting plate 13, the mounting plate 13 and the second rectangular ring 10 are connected through a second guiding unit, a first motor 14 is arranged below the mounting plate 13, the output end of the first motor 14 is provided with a milling cutter 65, the first motor 14 and the mounting plate 13 are connected through a connecting column 15, a first limiting column 16 is arranged in the slot 11, a second limiting column 17 is arranged below the limiting ring 12, the first limiting column 16 and the second limiting column 17 penetrate through the mounting plate 13, the mounting plate 13 is provided with an anisotropic meshing driving assembly for driving the first limit column 16 and the second limit column 17 to move in the vertical direction in an anisotropic manner; after the milling cutter 65 rotates for one circle, the processing of a plurality of drilled holes can be completed simultaneously, and the plurality of drilled holes can be further processed simultaneously, so that the boring efficiency is improved; when a plane needs to be milled, the first limit column 16 is driven to move downwards and the second limit column 17 is driven to move upwards through the different-direction meshing driving assembly, the locking relation between the mounting plate 13 and the movable column 9 is relieved, meanwhile, the top end of the second limit column 17 is inserted into the limit ring 12, the mounting plate 13 is fixed relative to the second rectangular ring 10, the first motor 14 drives the milling cutter 65 to rotate, the sliding rotating assembly drives a plurality of first rotating shafts 7 to synchronously rotate, the first rotating shafts 7 drive the rotating plate 8 and the movable column 9 to rotate, the movable column 9 slides in the second rectangular ring 10, the movable column 9 pushes the second rectangular ring 10 to do linear motion, so that the first motor 14 and the milling cutter 65 do linear motion, a plurality of planes can be milled simultaneously, the inclination angle of the linear motion of the milling cutter 65 can be changed through the rotary positioner driving the first rectangular ring 5, the mounting seat 1 is driven to move relative to the machine frame 2 in the horizontal direction through the horizontal driving structure, the initial position of the milling cutter 65 is changed, the processing of a plurality of holes can be completed simultaneously, and the working efficiency is improved.
Based on the first embodiment, the embodiment is provided by fig. 4, fig. 6, fig. 8 and fig. 9, the anisotropic meshing driving assembly comprises a first rack 18 fixedly installed at the bottom end of a first limiting column 16, the bottom end of the first rack 18 is fixedly connected with a first movable plate 19, the first movable plate 19 is connected with a mounting plate 13 through a first hydraulic telescopic rod 20, the bottom end of a second limiting column 17 is fixedly connected with a second rack 21, one side of the second rack 21, which is close to the first rack 18, is provided with a first gear 22, a connecting shaft 23 fixedly connected with the first gear 22 is penetrated on the first gear 22, a first side plate 24 is sleeved outside the connecting shaft 23, a bearing is arranged at the joint of the connecting shaft 23 and the first side plate 24, the first side plate 24 is fixedly connected with a mounting plate 13, the first gear 22 is respectively meshed with the second rack 21 and the first rack 18, a first guide groove 25 is formed in the second limiting column 17, the mounting plate 13 is fixedly connected with a first guide block 26, the first guide block 26 is positioned in the first guide groove 25, the first guide block comprises a first guide plate 31 fixedly installed on the second side plate 10 and a second guide plate 30 respectively, two sides of the second guide plate 30 are fixedly installed on the second side plate 13 and are respectively connected with the second side plate 30 through a second guide plate 31, two side plates 30 fixedly arranged on the second side plate 30 and two sides of the second guide plate 30 are respectively, the second side plate 30 is fixedly connected with the second side plate 30, and the second side plate 30 is fixedly arranged on the second side plate 30 and the second side plate 30 through a second guide plate 31, and the second guide plate 30 is fixedly arranged on the second side plate 13, and the second side plate is fixedly connected with the second side plate 2, and the second side plate is provided with the second support plate, and the second support plate is provided with a support plate, and the support plate is provided;
when the top end of the first limit post 16 is positioned in the slot 11 and the second limit post 17 is separated from the limit ring 12, the sliding rotation assembly drives the first rotating shafts 7 to synchronously rotate, the first rotating shafts 7 drive the rotating plate 8 and the movable post 9 to rotate, the movable post 9 slides in the second rectangular ring 10, the mounting plate 13 moves circumferentially along with the movable post 9, the mounting plate 13 slides relative to the second rectangular ring 10, the second guide block 30 slides in the second guide groove 29, the design of the second side plate 27, the connecting plate 28, the second guide groove 29 and the second guide block 30 ensures that the mounting plate 13 slides smoothly relative to the second rectangular ring 10, the first movable plate 19 is driven to move downwards by the first hydraulic telescopic rod 20, the first movable plate 19 drives the first limit post 16 to move downwards by the first rack 18, the first limit post 16 can be separated from the slot 11, when the first rack 18 moves downwards, the first rack 18 drives the first gear 22 to rotate, the first gear 22 drives the second limiting post 17 to move upwards through the second rack 21, so that the top end of the second limiting post 17 is inserted into the limiting ring 12, the second limiting post 17 moves stably relative to the mounting plate 13 in the vertical direction through the design of the first guide groove 25 and the first guide block 26, when the top end of the first limiting post 16 is separated from the slot 11 and the top end of the second limiting post 17 is positioned in the limiting ring 12, the mounting plate 13 is fixed relative to the second rectangular ring 10 in the process of rotating the rotating plate 8 and the movable post 9 again, the movable post 9 drives the mounting plate 13 and the second rectangular ring 10 to slide horizontally relative to the sliding seat 6, the mounting plate 13 moves linearly, the first fixed plate 31 slides relative to the guide post 32, through the design of the first fixed plate 31, the guide post 32 and the support plate 33, so that the second rectangular ring 10 slides smoothly with respect to the sliding seat 6.
The third embodiment is provided by fig. 1, fig. 2, fig. 4 and fig. 5 on the basis of the first embodiment, the sliding locking mechanism comprises guide plates 34 fixedly installed on two sides of a sliding seat 6 respectively, third guide grooves 35 are respectively formed in the inner walls of two sides of a first rectangular ring 5, the guide plates 34 are positioned in the third guide grooves 35, a second movable plate 36 is arranged above the sliding seat 6, the second movable plate 36 and the sliding seat 6 are connected through a second hydraulic telescopic rod 37, two pressing columns 38 are fixedly connected to the bottom of the second movable plate 36, the bottom of the pressing columns 38 is in contact with the top of the first rectangular ring 5, a worm gear 39 fixedly installed on the top of a first rotating shaft 7, a worm 40 meshed with the worm gear 39 is arranged above the sliding seat 6, a first supporting part 41 is sleeved outside the worm 40, a bearing is arranged at the joint of the worm 40 and the first supporting part 41, a second motor 45 is fixedly connected to the first rectangular ring 5, an output end of the second motor 45 is fixedly connected to the second supporting part 42, a second supporting part 42 is fixedly sleeved on the second supporting part 42, a second supporting part 42 is fixedly connected to the second supporting part of the second rectangular ring 42, a second supporting part 42 is fixedly sleeved outside the second supporting part 42 is fixedly arranged on the second supporting part 42, and the second supporting part is fixedly connected to the second supporting part 42, and the second supporting part 42 is fixedly arranged on the second supporting part 42, and is fixedly connected to the second supporting part 42, and is fixedly connected to the second supporting part, 42, and is arranged;
through the design of deflector 34 and third guide slot 35 to make slide holder 6 relative first rectangle ring 5 sliding connection, second hydraulic telescoping rod 37 drive second fly leaf 36 moves upwards, so that the bottom of pressing post 38 no longer presses first rectangle ring 5, can remove the fixed relation between first rectangle ring 5 and slide holder 6, the staff drives slide holder 6 and slides relative first rectangle ring 5, deflector 34 slides in third guide slot 35, when deflector 34 and slide holder 6 move to the default position, second hydraulic telescoping rod 37 drive second fly leaf 36 and press post 38 and move down, so that the bottom of pressing post 38 presses first rectangle ring 5, can make slide holder 6 fixed relative first rectangle ring 5, when slide holder 6 slides relative first rectangle ring 5, worm 40 slides on second pivot 42, and guide bar 44 slides in fourth guide slot 43, when needs to drive first pivot 7 rotatory, second pivot 42 is rotated to second motor 45 drive second pivot 42, second pivot 42 through guide bar 44 rotatory worm 40 drive worm 40 through the rotatory support shaft 46 of tilting of support shaft 46, can reduce through the tilting in the design in the tilting process.
In the fourth embodiment, as shown in fig. 4, fig. 6 and fig. 7, the sliding adjustment unit includes a sliding block 47 fixedly installed at the top of the movable column 9, a sliding groove 48 is formed on the rotating plate 8, the sliding block 47 is located in the sliding groove 48, a screw rod 49 in threaded connection is penetrated through the sliding block 47, both ends of the screw rod 49 penetrate through the rotating plate 8, a bearing is arranged at the joint of the screw rod 49 and the rotating plate 8, a first fixed disk 50 is fixedly connected on the screw rod 49, a plurality of limiting grooves 52 are formed on the first fixed disk 50, a third supporting part 53 is fixedly connected on the rotating plate 8, a third limiting column 51 penetrates through the third supporting part 53, one end of the third limiting column 51 is located in one corresponding limiting groove 52, the other end of the third limiting column 51 is fixedly connected with a second fixed disk 54, an extension spring 55 is sleeved outside the third limiting column 51, and both ends of the extension spring 55 are respectively fixedly connected with the second fixed disk 54 and the third supporting part 53;
the second fixed disc 54 is driven by the staff to move so that one end of the third limiting column 51 is separated from the limiting groove 52, the tension spring 55 is in a tension state, limitation on the position of the first fixed disc 50 is relieved, the first fixed disc 50 is driven by the staff to rotate, the screw rod 49 is driven by the first fixed disc 50 to rotate, the sliding block 47 is driven by the screw rod 49 to slide in the sliding groove 48, the position of the movable column 9 can be adjusted, after the position adjustment of the movable column 9 is finished, the second fixed disc 54 is loosened by the staff, the second fixed disc 54 and the third limiting column 51 are driven by the tension spring 55 to move so that one end of the third limiting column 51 is inserted into the corresponding limiting groove 52, the first fixed disc 50 can be fixed relative to the rotating plate 8, and rotation of the screw rod 49 and the first fixed disc 50 due to non-human factors is avoided.
In the fifth embodiment, as shown in fig. 1 and 3, the horizontal driving structure includes a second fixing plate 56 fixedly installed on the installation seat 1, the second fixing plate 56 is connected with the frame 2 through a third hydraulic telescopic rod 57, the lifting unit includes a bracket 58 fixedly installed on the lifting seat 4, the bracket 58 is connected with the top of the installation seat 1 through a fourth hydraulic telescopic rod 59, the rotator includes a rotating frame 60 fixedly installed on the first rectangular ring 5, a third rotating shaft 61 is fixedly connected to the rotating frame 60, the third rotating shaft 61 penetrates through the lifting seat 4, a bearing is arranged at the joint of the third rotating shaft 61 and the lifting seat 4, a second gear 62 is fixedly connected to the top end of the third rotating shaft 61, a third motor 63 is fixedly connected to the lifting seat 4, and a third gear 64 meshed with the second gear 62 is fixedly connected to the output end of the third motor 63;
the second fixing plate 56 and the mounting seat 1 are driven to move in the horizontal direction relative to the frame 2 through the third hydraulic telescopic rod 57, the position of the mounting seat 1 can be adjusted, the lifting seat 4 and the first rectangular ring 5 can be adjusted in the vertical direction through the fourth hydraulic telescopic rod 59, the height of the milling cutter 65 can be adjusted, the third gear 64 is driven to rotate through the third motor 63, the third gear 64 is driven to rotate through the second gear 62, the third rotating shaft 61 drives the rotating frame 60 to rotate the first rectangular ring 5, and the inclination angle of the first rectangular ring 5 can be changed.
The numerical control machining process for the aircraft wide rib type part, which is provided by the embodiment, uses the numerical control machining vertical milling machine for the aircraft wide rib type part, and comprises the following steps of:
step one: the frame 2 is placed at a preset processing position, an airplane wide rib part needing boring is placed below the first rectangular ring 5, a worker drives the sliding seat 6 to slide relative to the first rectangular ring 5 according to the interval between two adjacent parts needing boring, and after the position of the sliding seat 6 is adjusted, the position of the sliding seat 6 is limited through a sliding locking mechanism, so that the sliding seat 6 is fixedly locked relative to the first rectangular ring 5;
step two: according to the diameter of the boring to be processed, the movable column 9 is driven to slide relative to the rotary plate 8 through the sliding adjusting unit, and the distance between the movable column 9 and the first rotary shaft 7 is changed;
step three: after the position of the movable column 9 is adjusted, the lifting seat 4 is driven to move downwards through the lifting unit so as to enable the milling cutter 65 to move downwards to a preset position, and the first motor 14 drives the milling cutter 65 to rotate;
step four: the sliding rotating assembly drives a plurality of first rotating shafts 7 to synchronously rotate, the first rotating shafts 7 drive the rotating plates 8 and the movable columns 9 to rotate, the movable columns 9 slide in the second rectangular rings 10, and the movable columns 9 drive the mounting plates 13, the first motors 14 and the milling cutters 65 to do circular motion through the first limiting columns 16;
step five: boring is performed by the rotating milling cutter 65, and when the milling cutter 65 rotates once, machining of a plurality of drilled holes can be completed simultaneously.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A vertical milling machine for numerical control machining of aircraft wide rib parts is characterized in that: including mount pad (1) and frame (2), mount pad (1) runs through frame (2), mount pad (1) and frame (2) are connected through horizontal drive structure, through-hole (3) have been seted up on mount pad (1), be equipped with lift seat (4) in through-hole (3), lift seat (4) and mount pad (1) are connected through the elevating unit, the below of mount pad (1) is equipped with first rectangle ring (5), be equipped with on lift seat (4) and be used for driving the rotatory gyrator of first rectangle ring (5), be equipped with a plurality of sliding seat (6) in first rectangle ring (5), sliding seat (6) and first rectangle ring (5) are connected through sliding locking mechanism, it has first pivot (7) to run through on sliding seat (6), the junction of first pivot (7) and sliding seat (6) is equipped with the bearing, be equipped with on first rectangle ring (5) and be used for driving the synchronous rotatory slip rotating assembly of a plurality of first pivot (7), the bottom fixedly connected with rotor plate (8) of first pivot (7), the bottom of first rectangle ring (8) is equipped with rotor plate (9), the bottom of rotor plate (8) is equipped with movable column (9) and movable column (9) through movable column (10), the second rectangular ring (10) is connected with the sliding seat (6) through a first guide unit, the bottom end of the movable column (9) is provided with a slot (11), two sides of the second rectangular ring (10) are fixedly connected with a limiting ring (12) respectively, the bottom of the second rectangular ring (10) is provided with a mounting plate (13), the mounting plate (13) is connected with the second rectangular ring (10) through the second guide unit, a first motor (14) is arranged below the mounting plate (13), the output end of the first motor (14) is provided with a milling cutter (65), the first motor (14) is connected with the mounting plate (13) through a connecting column (15), a first limiting column (16) is arranged in the slot (11), a second limiting column (17) is arranged below the limiting ring (12), and the first limiting column (16) and the second limiting column (17) penetrate through the mounting plate (13), and an anisotropic meshing driving assembly for driving the first limiting column (16) and the second limiting column (17) to move in the vertical direction in an anisotropic manner is arranged on the mounting plate (13);
the anisotropic meshing driving assembly comprises a first rack (18) fixedly arranged at the bottom end of a first limiting column (16), a first movable plate (19) is fixedly connected to the bottom end of the first rack (18), the first movable plate (19) is connected with a mounting plate (13) through a first hydraulic telescopic rod (20), a second rack (21) is fixedly connected to the bottom end of a second limiting column (17), a first gear (22) is arranged on one side, close to the first rack (18), of the second rack (21), a connecting shaft (23) fixedly connected to the first gear (22) is penetrated on the first gear (22), a first side plate (24) is sleeved outside the connecting shaft (23), a bearing is arranged at the joint of the connecting shaft (23) and the first side plate (24), the first side plate (24) is fixedly connected with the mounting plate (13), the first gear (22) is meshed with the second rack (21) and the first rack (18) respectively, a first guide groove (25) is formed in the second limiting column (17), a first guide block (26) is fixedly connected to the mounting plate (13), and the first guide block (26) is located in the first guide groove (25);
the first guide unit comprises first fixing plates (31) which are respectively and fixedly arranged at two sides of the second rectangular ring (10), guide columns (32) penetrate through the first fixing plates (31), and two ends of each guide column (32) are respectively connected with the sliding seat (6) through support plates (33);
the second guide unit comprises second side plates (27) symmetrically arranged on two sides of the mounting plate (13), the second side plates (27) are connected with the second rectangular ring (10) through connecting plates (28), second guide grooves (29) are formed in the second side plates (27), second guide blocks (30) are arranged in the second guide grooves (29), and the second guide blocks (30) are fixedly connected with the mounting plate (13);
the sliding locking mechanism comprises guide plates (34) which are respectively and fixedly arranged on two sides of the sliding seat (6), wherein third guide grooves (35) are respectively formed in the inner walls of two sides of the first rectangular ring (5), the guide plates (34) are positioned in the third guide grooves (35), a second movable plate (36) is arranged above the sliding seat (6), the second movable plate (36) is connected with the sliding seat (6) through a second hydraulic telescopic rod (37), two pressing columns (38) are fixedly connected to the bottom of the second movable plate (36), and the bottoms of the pressing columns (38) are contacted with the top of the first rectangular ring (5);
the sliding rotating assembly comprises a worm wheel (39) fixedly arranged at the top end of a first rotating shaft (7), a worm (40) meshed with the worm wheel (39) is arranged above a sliding seat (6), a first supporting part (41) is sleeved outside the worm (40), a bearing is arranged at the joint of the worm (40) and the first supporting part (41), the first supporting part (41) is fixedly connected with the sliding seat (6), a second motor (45) is fixedly connected to a first rectangular ring (5), the output end of the second motor (45) is fixedly connected with a second rotating shaft (42), the worm (40) is sleeved outside the second rotating shaft (42), a fourth guide groove (43) is formed in the second rotating shaft (42), a guide bar (44) is fixedly connected to the worm (40), a second supporting part (46) is sleeved outside the second rotating shaft (42), a bearing is arranged at the joint of the second rotating shaft (42) and the second supporting part (46), and the second rotating shaft (46) is fixedly connected with the first rectangular ring (5);
the sliding adjustment unit comprises a sliding block (47) fixedly mounted at the top of a movable column (9), a sliding groove (48) is formed in a rotating plate (8), the sliding block (47) is located in the sliding groove (48), a screw rod (49) in threaded connection is penetrated through the sliding block (47), two ends of the screw rod (49) penetrate through the rotating plate (8), a bearing is arranged at the joint of the screw rod (49) and the rotating plate (8), a first fixed disk (50) is fixedly connected to the screw rod (49), a plurality of limit grooves (52) are formed in the first fixed disk (50), a third supporting portion (53) is fixedly connected to the rotating plate (8), a third limit column (51) penetrates through the third supporting portion (53), one end of the third limit column (51) is located in one corresponding limit groove (52), a second fixed disk (54) is fixedly connected to the other end of the third limit column (51), a tension spring (55) is sleeved outside the third limit column (51), and two ends of the tension spring (55) are fixedly connected with the second fixed disk (54) and the third supporting portion (53).
2. The vertical milling machine for numerical control machining of aircraft wide rib parts according to claim 1, wherein the vertical milling machine is characterized in that: the horizontal driving structure comprises a second fixing plate (56) fixedly arranged on the mounting seat (1), the second fixing plate (56) is connected with the frame (2) through a third hydraulic telescopic rod (57), the lifting unit comprises a bracket (58) fixedly arranged on the lifting seat (4), and the bracket (58) is connected with the top of the mounting seat (1) through a fourth hydraulic telescopic rod (59).
3. The vertical milling machine for numerical control machining of aircraft wide rib parts according to claim 1, wherein the vertical milling machine is characterized in that: the rotary fixator comprises a rotary frame (60) fixedly mounted on a first rectangular ring (5), a third rotary shaft (61) is fixedly connected to the rotary frame (60), the third rotary shaft (61) penetrates through a lifting seat (4), a bearing is arranged at the joint of the third rotary shaft (61) and the lifting seat (4), a second gear (62) is fixedly connected to the top end of the third rotary shaft (61), a third motor (63) is fixedly connected to the lifting seat (4), and a third gear (64) meshed with the second gear (62) is fixedly connected to the output end of the third motor (63).
4. A numerical control machining process for an aircraft wide rib part, which is characterized by using the numerical control machining vertical milling machine for the aircraft wide rib part according to claim 1, and comprising the following steps of: the method comprises the following steps:
step one: the frame (2) is placed at a preset processing position, aircraft wide rib parts needing boring are placed below the first rectangular ring (5), a worker drives the sliding seat (6) to slide relative to the first rectangular ring (5) according to the interval between two adjacent aircraft wide rib parts needing boring, and after the position of the sliding seat (6) is adjusted, the position of the sliding seat (6) is limited through the sliding locking mechanism, so that the sliding seat (6) is fixedly locked relative to the first rectangular ring (5);
step two: according to the diameter of the boring to be processed, the movable column (9) is driven to slide relative to the rotary plate (8) through the sliding adjusting unit, and the distance between the movable column (9) and the first rotary shaft (7) is changed;
step three: after the position of the movable column (9) is adjusted, the lifting seat (4) is driven to move downwards through the lifting unit so as to enable the milling cutter (65) to move downwards to a preset position, and the first motor (14) drives the milling cutter (65) to rotate;
step four: the sliding rotating assembly drives a plurality of first rotating shafts (7) to synchronously rotate, the first rotating shafts (7) drive the rotating plates (8) and the movable columns (9) to rotate, the movable columns (9) slide in the second rectangular rings (10), and the movable columns (9) drive the mounting plates (13), the first motors (14) and the milling cutters (65) to do circular motion through the first limiting columns (16);
step five: boring is performed by the rotating milling cutter (65), and when the milling cutter (65) rotates for one circle, machining of a plurality of drilled holes can be completed simultaneously.
CN202311012128.5A 2023-08-11 2023-08-11 Numerical control machining vertical milling machine and process for airplane wide rib parts Active CN116727732B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067695A (en) * 1996-10-11 2000-05-30 Noran S.L. Double arm vertical miller
KR101873173B1 (en) * 2017-12-19 2018-07-02 김정술 Complex milling machines
CN207887947U (en) * 2018-01-25 2018-09-21 温岭市科锐数控设备有限公司 A kind of multi-head milling machine
CN109663958A (en) * 2017-10-13 2019-04-23 大族激光科技产业集团股份有限公司 A kind of multiaxis PCB molding machine
CN210208799U (en) * 2019-07-02 2020-03-31 兰州交通大学 Multi-head milling machine tool
CN113199069A (en) * 2021-05-07 2021-08-03 长沙市熊亮机电设备有限公司 Motorcycle accessory milling device capable of carrying out arc detection on parts
CN114257170A (en) * 2022-02-28 2022-03-29 江苏格林保尔新能源有限公司 Self-cleaning photovoltaic assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067695A (en) * 1996-10-11 2000-05-30 Noran S.L. Double arm vertical miller
CN109663958A (en) * 2017-10-13 2019-04-23 大族激光科技产业集团股份有限公司 A kind of multiaxis PCB molding machine
KR101873173B1 (en) * 2017-12-19 2018-07-02 김정술 Complex milling machines
CN207887947U (en) * 2018-01-25 2018-09-21 温岭市科锐数控设备有限公司 A kind of multi-head milling machine
CN210208799U (en) * 2019-07-02 2020-03-31 兰州交通大学 Multi-head milling machine tool
CN113199069A (en) * 2021-05-07 2021-08-03 长沙市熊亮机电设备有限公司 Motorcycle accessory milling device capable of carrying out arc detection on parts
CN114257170A (en) * 2022-02-28 2022-03-29 江苏格林保尔新能源有限公司 Self-cleaning photovoltaic assembly

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