Drilling and tapping integrated equipment for metal shell of low-altitude aircraft

Abstract

The low-altitude aircraft metal shell drilling and tapping integrated equipment comprises a machining platform, a positioning mechanism, a self-adaptive clamping mechanism, a cleaning mechanism, a position adjusting mechanism and a drilling and tapping mechanism, and positioning supports in the positioning mechanism are evenly arranged at the bottom of the machining platform; according to the machine shell machining device, a machine shell placed on the machining platform is preliminarily positioned through the positioning mechanism, then the machine shell is fixed through the self-adaptive clamping mechanism, manual participation is not needed, meanwhile, the downward pressing angle of the jacking and pressing support can be conveniently adjusted, the machine shell machining device can adapt to the machining process of machine shells of different curved surface structures, and the practicability of the device is improved; the cleaning mechanism is used for cleaning the surface of the machine shell, residual chippings are swept away, and the labor intensity of workers is reduced; the external air cylinders evenly distributed on the rotating frame are used for supporting the clamping air cylinders, the clamping air cylinders are used for fixing drill bits and screw taps of different specifications, automatic tool changing can be achieved in the machining process, and the machining efficiency of equipment is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft shell processing equipment, in particular to an integrated drilling and tapping equipment for a metal casing of a low-altitude aircraft. Background Art

[0002] Low-altitude aircraft refer to aircraft that fly at relatively low altitudes. They can be used to monitor crop health, soil conditions, irrigation needs, etc., helping farmers increase yields and reduce resource waste. At the same time, low-altitude aircraft can be used to monitor forest fires, marine pollution, wildlife protection, etc., providing timely data support for environmental protection work, playing an increasingly important role in modern society. The metal shell of the aircraft provides the aircraft with the necessary structural strength to ensure that it can withstand various forces during flight, such as aerodynamic pressure, vibration and impact. In the process of metal shell processing, equipment is needed to drill and tap the shell to meet the later assembly requirements. There are drilling and tapping equipment for low-altitude aircraft metal casings that can basically meet daily use needs, but the clamping structure of the equipment is simple, and manual clamping and fixing are required before drilling and tapping. At the same time, due to the limitation of the casing shape, the clamping angle needs to be debugged on site, affecting the practicability of the equipment; at the same time, in order to prevent the drilling debris from scratching the product during the tapping process, the debris needs to be cleaned between the two steps, increasing the labor intensity of the staff; and the drill bit and tap installed on the drilling and tapping output end need to be replaced during the processing, affecting the processing efficiency of the equipment; therefore, it is necessary to design an integrated drilling and tapping equipment for low-altitude aircraft metal casings. Summary of the invention

[0003] The purpose of the present invention is to provide an integrated drilling and tapping device for a metal casing of a low-altitude aircraft to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a low-altitude aircraft metal casing drilling and tapping integrated equipment, including a processing platform, a positioning mechanism, an adaptive clamping mechanism, a bottom support, a cleaning mechanism, a position adjustment mechanism and a drilling and tapping mechanism, the bottom of the processing platform is evenly provided with positioning brackets in the positioning mechanism, the positioning bracket is provided with a positioning cylinder, one side of the positioning cylinder is fixedly connected with a rotating motor in the adaptive clamping mechanism, the rotating motor fixes the bottom of the sliding block, and the output end of the rotating motor passes through the sliding block and is fixedly connected to the bottom of the pressing cylinder, the output end of the pressing cylinder is fixedly connected with the pressing bracket, the pressing bracket is slidably connected with a supporting ball, and the supporting ball A top pressure bracket is provided at the bottom end, and the first bracket in the cleaning mechanism is symmetrically provided at the bottom of the processing platform, a first cylinder is provided on the first bracket, the first cylinder is fixed to the bottom of the second bracket, a second cylinder is provided on the second bracket, the second cylinder is fixed on one side of the bottom of the connecting bracket, and a third cylinder is embedded and installed in a groove symmetrically opened on the connecting bracket; the lifting motor in the position adjustment mechanism is symmetrically provided at the four corners of the bottom of the processing platform, the output end of the lifting motor is fixedly connected to a lifting screw rod, a connecting block is provided on the lifting screw rod, the connecting block is symmetrically fixed on the lifting frame, the lifting frame is slidably connected to a sliding bracket, and the sliding bracket is slidably connected to a connecting plate in the drilling and tapping mechanism.

[0005] As a further technical solution of the present invention, the positioning mechanism consists of a positioning bracket, a positioning cylinder, a side cylinder and a positioning column. The side cylinder is fixed on one side of the rotating motor, and the output end of the side cylinder is fixedly connected to the positioning column.

[0006] As a further technical solution of the present invention, the adaptive clamping mechanism is composed of a mounting ring, a rotating motor, a sliding block, a downward pressure cylinder, a downward pressure bracket, a supporting ball, a top pressure bracket, an adaptive cylinder and a push frame, and the sliding block is slidably connected between the processing platforms.

[0007] As a further technical solution of the present invention, a mounting ring is provided on the downward pressing bracket, and an adapting cylinder is fixedly sleeved in a groove evenly provided on the mounting ring, and an output end of the adapting cylinder is fixedly connected to a pushing frame.

[0008] As a further technical solution of the present invention, the cleaning mechanism consists of a first bracket, a first cylinder, a second bracket, a second cylinder, a connecting bracket, a third cylinder, a third bracket, a transmission motor and a cleaning wheel, and the second bracket is slidably connected to the bottom support.

[0009] As a further technical solution of the present invention, the output end of the third cylinder is fixedly connected to the third bracket, and the third bracket is fixedly connected to the output end of the transmission motor, and the transmission motor is embedded in the grooves opened on both sides of the cleaning wheel.

[0010] As a further technical solution of the present invention, the position adjustment mechanism is composed of a lifting motor, a lifting screw, a connecting block, a lifting frame, a sliding cylinder, a sliding bracket, a top cylinder and a lifting cylinder. The connecting block is connected to the lifting screw through a ball nut embedded inside.

[0011] As a further technical solution of the present invention, a sliding cylinder is provided on the symmetrically installed guide rails in the lifting frame, the sliding cylinder is symmetrically fixed on the sliding bracket, and a top cylinder is slidably connected to the sliding bracket.

[0012] As a further technical solution of the present invention, the drilling and tapping mechanism is composed of a connecting plate, a connecting table, a rotating frame, an output motor, a central cylinder, a bottom cylinder, an external cylinder and a clamping cylinder. The connecting plate is symmetrically installed on both sides of the sliding cylinder, and one side of the connecting plate is fixedly connected to a lifting cylinder, and the output end of the lifting cylinder is fixed on the connecting table.

[0013] As a further technical solution of the present invention, an output motor is fixedly connected to the top center of the connecting platform, and the output end of the output motor passes through the rotating frame and is fixedly connected to the rotating frame, a center cylinder is fixedly connected to the groove opened on the top of the rotating frame, a bottom cylinder is fixedly connected to the bottom of the grooves evenly opened on the side walls of the rotating frame, the output end of the bottom cylinder is fixedly connected to an external cylinder, and the output end of the external cylinder is fixedly connected to a clamping cylinder.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the integrated drilling and tapping equipment for the metal casing of a low-altitude aircraft utilizes the arranged positioning cylinder to drive the rotating motor, the sliding block and the side cylinder to slide along the processing platform, adjusts the position of the side cylinder and the positioning column, and at the same time, the side cylinder drives the positioning column to move upward, and the casing placed on the processing platform is initially positioned by the positioning columns evenly distributed on both sides, and then the adapting cylinder adjusts the orientation angle of the top pressure bracket through the push frame, cooperates with the downward pressure cylinder to drive the downward pressure bracket to press down, and the push frame is pressed on the casing to complete the fixing process, and the clamping and fixing process does not require manual participation, and at the same time The downward pressing angle of the top pressing bracket can be adjusted conveniently, and the processing process of the casing with different curved surface structures can be adapted, thereby improving the practicability of the equipment. The second bracket is driven to slide along the first bracket by the first cylinder, and the connecting bracket is driven to slide along the first bracket by the second cylinder to adjust the horizontal position of the third bracket. The height position of the third bracket is adjusted by the third cylinder at the same time, and the cleaning wheel is driven to rotate with the transmission motor to clean the surface of the casing and remove the debris left in the drilling process, thereby reducing the labor intensity of the staff. The clamping cylinder is supported by the external cylinders evenly distributed on the rotating frame, and the clamping cylinder is used to Drills and taps of different specifications are fixed. When drilling or tapping, the external cylinder of the corresponding specifications is connected to drive the clamping cylinder to move to the center of the rotating frame. At the same time, the bottom cylinder drives the external cylinder downward. When the drill and tap move to the center of the rotating frame, the bottom cylinder drives the external cylinder to move upward, and then the center cylinder fixes the drill and tap. At the same time, the clamping cylinder releases the fixation of the drill and tap. Then the bottom cylinder and the external cylinder drive the clamping cylinder to return to their original position. After returning to their original position, the output motor drives the drill and tap to rotate through the rotating frame and cooperates with the position adjustment mechanism to adjust the processing position to perform drilling or tapping operations on the casing. When changing the tool, the bottom cylinder drives the external cylinder to adjust the position of the clamping cylinder to clamp the tool at the center. At the same time, the center cylinder releases the control of the tool. Then the external cylinder of the corresponding specification drives the clamping cylinder to move to the center of the rotating frame. At the same time, the bottom cylinder drives the external cylinder to move downward. When the drill bit and tap move to the center of the rotating frame, the bottom cylinder drives the external cylinder to move upward. Then the center cylinder fixes the drill bit and tap. At the same time, the clamping cylinder releases the fixation of the drill bit and tap. Then the bottom cylinder and the external cylinder drive the clamping cylinder to return to its position, automatically completing the tool change process and ensuring the processing efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0016] Figure 2 for Figure 1 A partial enlarged view of the middle A area;

[0017] Figure 3 for Figure 1A partial enlarged view of the middle B area;

[0018] Figure 4 It is a three-dimensional diagram of the local structure of the present invention;

[0019] Figure 5 It is a three-dimensional diagram of a part of the structure of the present invention;

[0020] Figure 6 It is a schematic diagram of the assembly position of the central cylinder of the present invention;

[0021] Figure 7 It is a schematic diagram of the assembly position of the rotating frame in the present invention;

[0022] In the figure: 1. Processing platform; 2. Positioning mechanism; 3. Adaptive clamping mechanism; 4. Bottom support; 5. Cleaning mechanism; 6. Position adjustment mechanism; 7. Drilling and tapping mechanism; 21. Positioning bracket; 22. Positioning cylinder; 23. Side cylinder; 24. Positioning column; 30. Mounting ring; 31. Rotating motor; 32. Sliding block; 34. Pressing cylinder; 35. Pressing bracket; 36. Support ball; 37. Pressing bracket; 38. Adaptive cylinder; 39. Pushing bracket; 51. First bracket; 52. First cylinder; 53 , second bracket; 54, second cylinder; 55, connecting bracket; 56, third cylinder; 57, third bracket; 58, transmission motor; 59, cleaning wheel; 61, lifting motor; 62, lifting screw rod; 63, connecting block; 64, lifting frame; 65, sliding cylinder; 66, sliding bracket; 67, top cylinder; 69, lifting cylinder; 71, connecting plate; 72, connecting table; 73, rotating frame; 74, output motor; 75, center cylinder; 76, bottom cylinder; 77, external cylinder; 78, clamping cylinder. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Please see attached Figure 1 -Attached Figure 7An embodiment of the present invention is as follows: a low-altitude aircraft metal casing drilling and tapping integrated equipment, comprising a processing platform 1, a positioning mechanism 2, an adaptive clamping mechanism 3, a bottom support 4, a cleaning mechanism 5, a position adjustment mechanism 6 and a drilling and tapping mechanism 7. The bottom of the processing platform 1 is evenly provided with positioning brackets 21 in the positioning mechanism 2, and a positioning cylinder 22 is provided in the positioning bracket 21. A rotating motor 31 in the adaptive clamping mechanism 3 is fixedly connected to one side of the positioning cylinder 22. The rotating motor 31 fixes the bottom of the sliding block 32, and the output end of the rotating motor 31 passes through the sliding block 32 and is fixedly connected to the bottom of the pressing cylinder 34. The output end of the pressing cylinder 34 is fixedly connected to the pressing bracket 21. The bottom of the processing platform 1 is symmetrically provided with a first bracket 51 in the cleaning mechanism 5, and a first cylinder 52 is arranged on the first bracket 51. The first cylinder 52 is fixed to the bottom of the second bracket 53. The second bracket 53 is provided with a second cylinder 54. The second cylinder 54 is fixed to one side of the bottom of the connecting bracket 55. A third cylinder 56 is embedded and installed in a groove symmetrically opened on the connecting bracket 55. The four corners of the bottom of the processing platform 1 are symmetrically provided with a lifting motor 61 in the position adjustment mechanism 6. The output end of the lifting motor 61 is fixedly connected to a lifting screw 62. The lifting screw 6 2 is provided with a connecting block 63, the connecting block 63 is symmetrically fixed on the lifting frame 64, the lifting frame 64 is slidably connected with a sliding bracket 66, and the sliding bracket 66 is slidably connected with a connecting plate 71 in the drilling and tapping mechanism 7; the positioning mechanism 2 is composed of a positioning bracket 21, a positioning cylinder 22, a side cylinder 23 and a positioning column 24, the side cylinder 23 is fixed on one side of the rotating motor 31, and the output end of the side cylinder 23 is fixedly connected with the positioning column 24; the adaptive clamping mechanism 3 is composed of a mounting ring 30, a rotating motor 31, a sliding block 32, a pressing cylinder 34, a pressing bracket 35, a supporting ball 36, a pressing bracket 37, an adaptive cylinder 38 and a pushing frame 39, and the sliding block 32 is slidably connected to The processing platform 1 is provided between the processing platforms; the mounting ring 30 is provided on the pressing bracket 35, and the adapting cylinder 38 is fixedly sleeved in the grooves uniformly provided on the mounting ring 30, and the output end of the adapting cylinder 38 is fixedly connected to the pushing bracket 39; the cleaning mechanism 5 is composed of a first bracket 51, a first cylinder 52, a second bracket 53, a second cylinder 54, a connecting bracket 55, a third cylinder 56, a third bracket 57, a transmission motor 58 and a cleaning wheel 59, and the second bracket 53 is slidably connected to the bottom support 4; the output end of the third cylinder 56 is fixedly connected to the third bracket 57, and the third bracket 57 is fixedly connected to the output end of the transmission motor 58, and the transmission motor 58 is embedded and installed in the grooves provided on both sides of the cleaning wheel 59;The position adjustment mechanism 6 is composed of a lifting motor 61, a lifting screw 62, a connecting block 63, a lifting frame 64, a sliding cylinder 65, a sliding bracket 66, a top cylinder 67 and a lifting cylinder 69. The connecting block 63 is connected to the lifting screw 62 through an internally embedded ball nut; a sliding cylinder 65 is provided on the guide rail symmetrically installed in the lifting frame 64, and the sliding cylinder 65 is symmetrically fixed on the sliding bracket 66, and the top cylinder 67 is slidably connected in the sliding bracket 66; the drilling and tapping mechanism 7 is composed of a connecting plate 71, a connecting table 72, a rotating frame 73, an output motor 74, a central cylinder 75, a bottom cylinder 76, an external cylinder 77 and a clamping cylinder 78. The connecting plate 71 is symmetrically installed on both sides of the sliding cylinder 65. A lifting cylinder 69 is fixedly connected to one side of the connecting plate 71, and the output end of the lifting cylinder 69 is fixed to the connecting platform 72; an output motor 74 is fixedly connected to the top center of the connecting platform 72, and the output end of the output motor 74 passes through the rotating frame 73 and is fixedly connected to the rotating frame 73, a center cylinder 75 is fixedly connected to the groove opened on the top of the rotating frame 73, and a bottom cylinder 76 is fixedly connected to the bottom of the groove evenly opened on the side wall of the rotating frame 73, and the output end of the bottom cylinder 76 is fixedly connected to the external cylinder 77, and the output end of the external cylinder 77 is fixedly connected to the clamping cylinder 78, and the bottom cylinder 76 is used to adjust the height position of the non-working tool on the clamping cylinder 78 to avoid affecting the rotating drill and tap during the working process. ;

[0025] Working principle: When in use, the positioning cylinder 22 is used to drive the rotating motor 31, the sliding block 32 and the side cylinder 23 to slide along the processing platform 1, and the positions of the side cylinder 23 and the positioning column 24 are adjusted. At the same time, the side cylinder 23 drives the positioning column 24 to move up, and the casing placed on the processing platform 1 is initially positioned through the positioning columns 24 evenly distributed on both sides. Then, the adapting cylinder 38 adjusts the orientation angle of the top pressure bracket 37 through the push frame 39, and cooperates with the downward pressure cylinder 34 to drive the downward pressure bracket 35 to press down, and the push frame 39 is pressed on the casing to complete the fixing process. The clamping and fixing process does not require manual participation, and it is also convenient to adjust the downward pressure angle of the top pressure bracket 37, which can adapt to different curves. The processing process of the casing with a surface structure improves the practicability of the equipment; the first cylinder 52 is used to drive the second bracket 53 to slide along the first bracket 51, and the second cylinder 54 drives the connecting bracket 55 to slide along the first bracket 51 to adjust the horizontal position of the third bracket 57. At the same time, the third cylinder 56 adjusts the height position of the third bracket 57, and cooperates with the transmission motor 58 to drive the cleaning wheel 59 to rotate to clean the surface of the casing and remove the debris remaining in the drilling process, thereby reducing the labor intensity of the staff; the external cylinders 77 evenly distributed on the rotating frame 73 are used to support the clamping cylinder 78, and the clamping cylinder 78 is used to fix drill bits and taps of different specifications for fixing When drilling or tapping is performed, the external cylinder 77 of the corresponding specification is connected to drive the clamping cylinder 78 to move toward the center of the rotating frame 73, and at the same time, the bottom cylinder 76 drives the external cylinder 77 to move downward. When the drill bit and the tap move to the center of the rotating frame 73, the bottom cylinder 76 drives the external cylinder 77 to move upward, and then the center cylinder 75 fixes the drill bit and the tap, and at the same time, the clamping cylinder 78 releases the fixation of the drill bit and the tap, and then the bottom cylinder 76 and the external cylinder 77 drive the clamping cylinder 78 to return to their original positions. After returning to their original positions, the output motor 74 drives the drill bit and the tap to rotate through the rotating frame 73 and cooperates with the position adjustment mechanism 6 to adjust the processing position. Drilling or tapping operations are performed on the casing. When replacing the tool, the bottom cylinder 76 is used The bottom cylinder 76 drives the external cylinder 77 to adjust the position of the clamping cylinder 78 to clamp the tool at the center. At the same time, the center cylinder 75 releases the control of the tool. Then the external cylinder 77 of the corresponding specification drives the clamping cylinder 78 to move toward the center of the rotating frame 73. At the same time, the bottom cylinder 76 drives the external cylinder 77 to move downward. When the drill bit and the tap move to the center of the rotating frame 73, the bottom cylinder 76 drives the external cylinder 77 to move upward. Then the center cylinder 75 fixes the drill bit and the tap. At the same time, the clamping cylinder 78 releases the fixation of the drill bit and the tap. Subsequently, the bottom cylinder 76 and the external cylinder 77 drive the clamping cylinder 78 to return to their original position, automatically completing the tool changing process and ensuring the processing efficiency of the equipment.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A low-altitude aircraft metal casing drilling and tapping integrated equipment, comprising a processing platform (1), a positioning mechanism (2), an adaptive clamping mechanism (3), a bottom support (4), a cleaning mechanism (5), a position adjustment mechanism (6) and a drilling and tapping mechanism (7), characterized in that: The bottom of the processing platform (1) is evenly provided with a positioning bracket (21) in the positioning mechanism (2), a positioning cylinder (22) is provided in the positioning bracket (21), a rotating motor (31) in the adaptive clamping mechanism (3) is fixedly connected to one side of the positioning cylinder (22), the rotating motor (31) is fixed to the bottom of the sliding block (32), and the output end of the rotating motor (31) passes through the sliding block (32) and is fixedly connected to the bottom of the pressing cylinder (34), the output end of the pressing cylinder (34) is fixedly connected to the pressing bracket (35), a supporting ball (36) is slidably connected in the pressing bracket (35), and a top pressing bracket (37) is provided at the bottom end of the supporting ball (36), and a first bracket (51) in the cleaning mechanism (5) is symmetrically provided at the bottom of the processing platform (1), and a second bracket (51) is provided on the first bracket (51). A cylinder (52), the first cylinder (52) is fixed at the bottom of the second bracket (53), the second bracket (53) is provided with a second cylinder (54), the second cylinder (54) is fixed on one side of the bottom of the connecting bracket (55), and a third cylinder (56) is embedded and installed in a groove symmetrically provided on the connecting bracket (55); the lifting motor (61) in the position adjustment mechanism (6) is symmetrically arranged at the four corners of the bottom of the processing platform (1), the output end of the lifting motor (61) is fixedly connected with a lifting screw rod (62), the lifting screw rod (62) is provided with a connecting block (63), the connecting block (63) is symmetrically fixed on the lifting frame (64), the lifting frame (64) is slidably connected with a sliding bracket (66), and the sliding bracket (66) is slidably connected with a connecting plate (71) in the drilling and tapping mechanism (7).

2. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 1, characterized in that: The positioning mechanism (2) is composed of a positioning bracket (21), a positioning cylinder (22), a side cylinder (23) and a positioning column (24); the side cylinder (23) is fixed on one side of the rotating motor (31); and the output end of the side cylinder (23) is fixedly connected to the positioning column (24).

3. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 1, characterized in that: The adaptive clamping mechanism (3) is composed of a mounting ring (30), a rotating motor (31), a sliding block (32), a downward pressure cylinder (34), a downward pressure bracket (35), a supporting ball (36), a top pressure bracket (37), an adaptive cylinder (38) and a push bracket (39), and the sliding block (32) is slidably connected between the processing platforms (1).

4. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 3, characterized in that: The pressing bracket (35) is provided with a mounting ring (30), and an adapting cylinder (38) is fixedly sleeved in a groove evenly provided on the mounting ring (30), and an output end of the adapting cylinder (38) is fixedly connected to a pushing frame (39).

5. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 1, characterized in that: The cleaning mechanism (5) is composed of a first bracket (51), a first cylinder (52), a second bracket (53), a second cylinder (54), a connecting bracket (55), a third cylinder (56), a third bracket (57), a transmission motor (58) and a cleaning wheel (59); the second bracket (53) is slidably connected to the bottom support (4).

6. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 5, characterized in that: The output end of the third cylinder (56) is fixedly connected to a third bracket (57), and the third bracket (57) is fixedly connected to the output end of a transmission motor (58), and the transmission motor (58) is embedded in grooves provided on both sides of the cleaning wheel (59).

7. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 1, characterized in that: The position adjustment mechanism (6) is composed of a lifting motor (61), a lifting screw (62), a connecting block (63), a lifting frame (64), a sliding cylinder (65), a sliding bracket (66), a top cylinder (67) and a lifting cylinder (69); the connecting block (63) is connected to the lifting screw (62) through a ball nut embedded inside.

8. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 7, characterized in that: A sliding cylinder (65) is arranged on the guide rails symmetrically installed in the lifting frame (64), and the sliding cylinder (65) is symmetrically fixed on a sliding bracket (66), and a top cylinder (67) is slidably connected in the sliding bracket (66).

9. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 1, characterized in that: The drilling and tapping mechanism (7) is composed of a connecting plate (71), a connecting platform (72), a rotating frame (73), an output motor (74), a central cylinder (75), a bottom cylinder (76), an external cylinder (77) and a clamping cylinder (78). The connecting plate (71) is symmetrically mounted on both sides of the sliding cylinder (65). One side of the connecting plate (71) is fixedly connected to a lifting cylinder (69), and the output end of the lifting cylinder (69) is fixed on the connecting platform (72).

10. The low-altitude aircraft metal casing drilling and tapping integrated equipment according to claim 9, characterized in that: An output motor (74) is fixedly connected to the center of the top of the connecting platform (72), and the output end of the output motor (74) passes through the rotating frame (73) and is fixedly connected to the rotating frame (73). A center cylinder (75) is fixedly connected to a groove opened on the top of the rotating frame (73), and a bottom cylinder (76) is fixedly connected to the bottom of grooves evenly opened on the side wall of the rotating frame (73). The output end of the bottom cylinder (76) is fixedly connected to an external cylinder (77), and the output end of the external cylinder (77) is fixedly connected to a clamping cylinder (78).

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