A workbench for precision machining of aircraft wings

Abstract

The utility model discloses a workbench for precision machining of aircraft wings, including a workbench set on the ground through legs, a clamping mechanism set on the workbench, a drilling mechanism and a grinding mechanism set above the clamping mechanism, and a PLC controller set at the side end of the workbench; two parallel grooves are provided on the workbench, a drilling screw and a grinding screw are respectively set in the grooves, the drilling mechanism is slidably set on the drilling screw through a drilling bracket, the grinding mechanism is slidably set on the grinding screw through a grinding bracket, and a drilling translation motor connected to the drilling screw and a grinding translation motor connected to the grinding screw are set at the side end of the workbench. The utility model concentrates the drilling process and the grinding and polishing process on one workbench, firstly performs a drilling operation on the wing fixed on the workbench, and directly performs grinding after the drilling is completed, thereby shortening the wing circulation time, improving the efficiency of wing processing, and reducing the staffing.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft processing, and more specifically to a workbench for precision processing of aircraft wings. Background Art

[0002] Aircraft wings are wing-shaped objects installed on the side of an aircraft to provide lift for the aircraft. When processing aircraft wings, a series of processes such as drilling, grinding and polishing are required. However, in the processing of existing aircraft wings, these series of processes are operated separately. After the drilling operation is completed, the wing is moved to the next process for grinding and polishing. During the circulation process, the wing needs to be taken down from the previous process and then positioned to the next process for positioning and operation. It takes a lot of time to take and place the wing and position it. In addition, each process requires staff to operate, and the efficiency of wing processing is relatively low. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a workbench for precision machining of aircraft wings, which integrates the drilling and grinding and polishing processes together, eliminates the need for process transfer, shortens the machining time, and improves the machining efficiency.

[0004] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0005] A workbench for precision machining of aircraft wings, comprising a workbench set on the ground through legs, a clamping mechanism for clamping and fixing the wing is arranged on the workbench, a drilling mechanism for drilling holes in the wing and a grinding mechanism for grinding and polishing the wing are arranged above the clamping mechanism, and a PLC controller for controlling wing machining is arranged at the side end of the workbench; two parallel grooves are provided on the workbench, a drilling screw and a grinding screw are respectively arranged in the grooves, the drilling mechanism is slidably arranged on the drilling screw through a drilling bracket, the grinding mechanism is slidably arranged on the grinding screw through a grinding bracket, a drilling translation motor connected to the drilling screw for driving the drilling screw to rotate and a grinding translation motor connected to the grinding screw for driving the grinding screw to rotate are arranged at the side end of the workbench, and the input ends of the drilling translation motor and the grinding translation motor are respectively connected to the output end of the PLC controller.

[0006] To further optimize the technical solution, the clamping mechanism includes a plurality of support seats arranged on the workbench, the support seats are provided with bolts, and the bolts are provided with clamping blocks for pressing and fixing the wings on the support seats through nuts.

[0007] To further optimize the technical solution, the workbench is provided with a plurality of support blocks having the same height as the support seat and used to support the wing, and a hollow drilling support block located below the drilling position.

[0008] To further optimize the technical solution, a lower grinding cylinder is arranged on the workbench located inside the drilling support block, a grinding mounting seat is arranged at the end of the telescopic rod of the lower drilling cylinder, a grinding motor is arranged in the grinding mounting seat, a grinding head for grinding and polishing the lower part of the wing drilling hole is arranged on the motor shaft of the grinding motor, and the input ends of the lower grinding cylinder and the grinding motor are respectively connected to the output ends of the PLC controller.

[0009] To further optimize the technical solution, a drilling vertical movement cylinder is provided on the inner side of the top of the drilling bracket, a drilling mounting block is provided at the end of the telescopic rod of the drilling vertical movement cylinder, the drilling mechanism is provided below the drilling mounting block, and the input end of the drilling vertical movement cylinder is connected to the output end of the PLC controller.

[0010] To further optimize the technical solution, the drilling mechanism includes a drilling vertical cylinder arranged below the drilling mounting block, a drill bit is arranged at the end of the drilling telescopic rod below the drilling vertical cylinder through a drill bit mounting seat, a drilling motor for driving the drill bit to rotate is arranged in the drill bit mounting seat, and the input ends of the drilling vertical cylinder and the drilling motor are respectively connected to the output ends of the PLC controller.

[0011] To further optimize the technical solution, a grinding vertical movement cylinder is provided on the inner side of the top of the grinding bracket, a grinding mounting block is provided at the end of the telescopic rod of the grinding vertical movement cylinder, the grinding mechanism is provided below the grinding mounting block, and the input end of the grinding vertical movement cylinder is connected to the output end of the PLC controller.

[0012] To further optimize the technical solution, the grinding mechanism includes a grinding vertical cylinder arranged below the grinding mounting block, a grinding mounting seat is arranged at the end of the grinding telescopic rod below the grinding vertical cylinder, a grinding head is arranged below the grinding mounting seat through a U-shaped block, a grinding motor for driving the grinding head to rotate is arranged at the side end of the U-shaped block, and the input ends of the grinding vertical cylinder and the grinding motor are respectively connected to the output ends of the PLC controller.

[0013] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0014] The utility model provides a workbench for precision machining of aircraft wings, which integrates the drilling process and the grinding and polishing process on one workbench. The wing fixed on the workbench is firstly drilled, and then directly polished after the drilling is completed, without the need to disassemble the wing, thus shortening the wing circulation time, improving the efficiency of wing machining, and reducing the number of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2It is a top view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the drilling mechanism described in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the grinding and polishing mechanism described in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the drilling support block described in the utility model.

[0020] Among them: 1. workbench, 11. support legs, 2. clamping mechanism, 21. support seat, 22. clamping block, 23. nut, 24. support block, 25. bolt, 26. drilling support block, 27. groove, 28. lower grinding cylinder, 3. drilling bracket, 31. drilling screw, 32. drilling translation motor, 4. drilling mounting block, 41. drilling vertical cylinder, 5. drilling mechanism, 51. drilling vertical cylinder, 52. drilling telescopic rod, 53. drill mounting seat, 54. drill, 6. grinding bracket, 61. grinding screw, 62. grinding translation motor, 7. grinding mounting block, 71. grinding vertical cylinder, 8. grinding mechanism, 81. grinding vertical cylinder, 82. grinding mounting seat, 83. U-shaped block, 84. grinding head, 85. grinding motor, 9. PLC controller. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] A workbench for precision machining of aircraft wings, combined with Figures 1 to 5 As shown, the workbench 1 includes a workbench 1, which is set on the ground through legs 11. A clamping mechanism 2 is set on the workbench 1 for clamping and fixing the wing. A drilling mechanism 5 and a grinding mechanism 8 are set above the clamping mechanism 2. The drilling mechanism is used to drill the wing, and the grinding mechanism is used to grind and polish the wing after drilling. A PLC controller 9 is set at the side end of the workbench 1 for controlling the wing processing.

[0023] The clamping mechanism 2 includes a plurality of support seats 21 arranged on the workbench 1, on which bolts 25 are arranged, and on which nuts 23 are arranged clamping blocks 22. When fixing the wing, the wing is placed on the support seat, with the clamping block located above the wing. The nut is rotated downward to press the clamping block down to tighten and fix the wing.

[0024] A plurality of support blocks 24 are arranged on the workbench 1. The height of the support blocks 24 is the same as that of the support seat and is used to support the wing.

[0025] A drilling support block 26 is provided on the workbench 1 below the drilling location. The drilling support block 26 is a hollow structure. A lower grinding cylinder 28 is provided on the workbench 1 inside the drilling support block 26. A grinding mounting seat 82 is provided at the end of the telescopic rod of the lower drilling cylinder. A grinding motor 85 is provided in the grinding mounting seat. A grinding head 84 is provided on the motor shaft of the grinding motor for grinding and polishing the lower part of the wing drilling. The input ends of the lower grinding cylinder and the grinding motor are respectively connected to the output ends of the PLC controller.

[0026] Two parallel grooves 27 are provided on the workbench 1, and a drilling screw 31 and a grinding screw 61 are respectively arranged in the two grooves. The drilling mechanism 5 is slidably set on the drilling screw through the drilling bracket 3, and the grinding mechanism 8 is slidably set on the grinding screw through the grinding bracket 6. A drilling translation motor 32 and a grinding translation motor 62 are arranged on the side end of the workbench 1. The drilling translation motor is connected to the drilling screw to drive the drilling screw to rotate, so as to realize the translation of the drilling mechanism on the workbench. The grinding translation motor is connected to the grinding screw to drive the grinding screw to rotate, so as to realize the translation of the grinding mechanism on the workbench. The input ends of the drilling translation motor and the grinding translation motor are respectively connected to the output ends of the PLC controller.

[0027] A drilling vertical movement cylinder 41 is arranged inside the top of the drilling bracket 3, a drilling mounting block 4 is arranged at the end of the telescopic rod of the drilling vertical movement cylinder, a drilling mechanism 5 is arranged below the drilling mounting block, and the input end of the drilling vertical movement cylinder is connected to the output end of the PLC controller. The drilling mounting block is driven to move forward and backward by the drilling vertical movement cylinder, thereby realizing the vertical movement of the drilling mechanism.

[0028] The drilling mechanism 5 includes a drilling vertical cylinder 51 arranged below the drilling mounting block 4, a drilling bit 54 is arranged at the end of the drilling telescopic rod 52 below the drilling vertical cylinder 51 through a drill bit mounting seat 53, a drilling motor is arranged in the drill bit mounting seat 53 to drive the drill bit to rotate, and the input ends of the drilling vertical cylinder and the drilling motor are respectively connected to the output end of the PLC controller. The drilling motor drives the drill bit to rotate to drill holes in the wing. During the drilling process, the drilling vertical cylinder drives the drill bit to move downward to achieve the drilling operation on the wing. During the drilling process, the lower grinding cylinder inside the lower drilling support block is retracted to prevent the drill bit from drilling into the lower grinding head and causing damage to the drill bit and the grinding head. After the drilling is completed, the lower grinding cylinder moves upward to grind and polish the lower part of the hole.

[0029] A polishing vertical movement cylinder 71 is arranged inside the top of the polishing bracket 6, a polishing mounting block 7 is arranged at the end of the telescopic rod of the polishing vertical movement cylinder, a polishing mechanism 8 is arranged below the polishing mounting block, and the input end of the polishing vertical movement cylinder is connected to the output end of the PLC controller. The polishing mounting block is driven to move forward and backward by the polishing vertical movement cylinder, thereby realizing the vertical movement of the polishing mechanism.

[0030] The grinding mechanism includes a grinding vertical cylinder 81 arranged below the grinding mounting block 7, a grinding mounting seat 82 is arranged at the end of the grinding telescopic rod below the grinding vertical cylinder 81, a grinding head 84 is arranged below the grinding mounting seat 82 through a U-shaped block 83, a grinding motor 85 is arranged at the side end of the U-shaped block 83, and the grinding motor is used to drive the grinding head to rotate. The input ends of the grinding vertical cylinder and the grinding motor are respectively connected to the output end of the PLC controller. After the drilling is completed, the grinding vertical cylinder drives the grinding head to move downward, and when it contacts the wing surface, the grinding motor drives the grinding head to rotate to grind and polish the upper part of the hole.

[0031] When processing an aircraft wing, the utility model fixes the wing to be processed on a workbench by a clamping mechanism. After the fixing is completed, the PLC controller drives the drilling mechanism to move left and right and front and back on the workbench, so that the drill bit of the drilling mechanism is located above the drilling position, and the drilling vertical cylinder and the drilling motor are actuated to perform drilling operations on the wing. After the drilling is completed, the drilling mechanism moves to the edge of the workbench to facilitate the grinding mechanism to grind and polish the drilling position. The PLC controller drives the grinding mechanism to move above the drilling position, and the drilling vertical cylinder drives the grinding head to move down to the wing position. At the same time, the lower grinding cylinder moves up to move the lower grinding head up to the wing position. At this time, the upper and lower grinding motors rotate at the same time, and the upper and lower parts of the drilling position are grinded and polished at the same time, thereby improving the efficiency of wing processing.

Claims

1. A workbench for precision machining of aircraft wings, characterized in that: The invention comprises a workbench (1) arranged on the ground via supporting legs (11); a clamping mechanism (2) for clamping and fixing the wing is arranged on the workbench (1); a drilling mechanism (5) for drilling holes in the wing and a grinding mechanism (8) for grinding and polishing the wing are arranged above the clamping mechanism (2); a PLC controller (9) for controlling wing processing is arranged at the side end of the workbench (1); two parallel grooves (27) are provided on the workbench (1), and drilling screws (31) are respectively arranged in the grooves. and a grinding screw (61), the drilling mechanism (5) is slidably arranged on the drilling screw (31) through the drilling bracket (3), the grinding mechanism (8) is slidably arranged on the grinding screw (61) through the grinding bracket (6), the side end of the workbench (1) is provided with a drilling translation motor (32) connected to the drilling screw for driving the drilling screw to rotate and a grinding translation motor (62) connected to the grinding screw for driving the grinding screw to rotate, and the input ends of the drilling translation motor and the grinding translation motor are respectively connected to the output end of the PLC controller (9).

2. The workbench for precision machining of aircraft wings according to claim 1, characterized in that: The clamping mechanism (2) comprises a plurality of support seats (21) arranged on the workbench (1), the support seats (21) being provided with bolts (25), and the bolts (25) being provided with clamping blocks (22) for pressing and fixing the wings on the support seats via nuts (23).

3. The workbench for precision machining of aircraft wings according to claim 2, characterized in that: The workbench (1) is provided with a plurality of support blocks (24) having the same height as the support seat (21) and used for supporting the wing, and a hollow drilling support block (26) located below the drilling position.

4. The workbench for precision machining of aircraft wings according to claim 3, characterized in that: A lower grinding cylinder (28) is arranged on a workbench (1) located inside a drilling support block (26); a grinding mounting seat (82) is arranged at the end of a telescopic rod of the lower drilling cylinder; a grinding motor (85) is arranged in the grinding mounting seat; a grinding head (84) for grinding and polishing the lower part of the wing drilling hole is arranged on the motor shaft of the grinding motor; and input ends of the lower grinding cylinder and the grinding motor are respectively connected to output ends of a PLC controller.

5. The workbench for precision machining of aircraft wings according to claim 1, characterized in that: A drilling vertical movement cylinder (41) is arranged on the inner side of the top end of the drilling support (3), a drilling mounting block (4) is arranged at the end of the telescopic rod of the drilling vertical movement cylinder, a drilling mechanism (5) is arranged below the drilling mounting block, and the input end of the drilling vertical movement cylinder is connected to the output end of the PLC controller.

6. The workbench for precision machining of aircraft wings according to claim 5, characterized in that: The drilling mechanism (5) comprises a drilling vertical cylinder (51) arranged below the drilling mounting block (4); a drilling bit (54) is arranged at the end of a drilling telescopic rod (52) below the drilling vertical cylinder (51) via a drill bit mounting seat (53); a drilling motor for driving the drill bit to rotate is arranged in the drill bit mounting seat (53); and input ends of the drilling vertical cylinder and the drilling motor are respectively connected to output ends of a PLC controller.

7. The workbench for precision machining of aircraft wings according to claim 1, characterized in that: A grinding vertical movement cylinder (71) is arranged on the inner side of the top end of the grinding bracket (6), a grinding mounting block (7) is arranged on the end of the telescopic rod of the grinding vertical movement cylinder, a grinding mechanism (8) is arranged below the grinding mounting block, and the input end of the grinding vertical movement cylinder is connected to the output end of the PLC controller.

8. The workbench for precision machining of aircraft wings according to claim 7, characterized in that: The grinding mechanism (8) comprises a grinding vertical cylinder (81) arranged below the grinding mounting block (7); a grinding mounting seat (82) is arranged at the end of the grinding telescopic rod below the grinding vertical cylinder (81); a grinding head (84) is arranged below the grinding mounting seat (82) through a U-shaped block (83); a grinding motor (85) for driving the grinding head to rotate is arranged at the side end of the U-shaped block (83); and the input ends of the grinding vertical cylinder and the grinding motor are respectively connected to the output end of the PLC controller.

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