Aircraft skin drilling and riveting device

Abstract

The present invention discloses an aircraft skin drilling and riveting processing device, comprising a base, the upper surface of which is fixedly connected with a left skin bracket, four driving motors, a right skin bracket and a skin shaft in sequence from left to right, the output shafts of the four driving motors are fixedly connected with studs, the outer surfaces of the four studs are threadedly connected with a rivet gun bracket, and the top ends of the four studs are threadedly connected with double-ear nuts. The skin drilling and riveting processing device ensures that the countersink depth of each through hole is equal by setting the height between the drilling motor and the countersinking motor and the upper surface of the skin, thereby ensuring the concave-convex degree of the rivet on the skin, and the distance between the upper surface of the left skin bracket, the top iron and the right skin bracket and the surface of the base and the distance between the skin and the opposite surface of the base are set, so that the head height and diameter of each rivet are equal during the riveting process, thereby ensuring the consistency of the flatness of the rivet on the skin during the entire riveting process.

Description

Technical Field

[0001] The invention relates to the technical field of aerospace automation, and in particular to an aircraft skin drilling and riveting processing device. Background Art

[0002] At present, the riveting and drilling of aircraft skins are mostly done manually. Because of the high error rate of manual operation in the riveting process of aircraft skins, and the different proficiency of each person in operation, the consistency of the flatness of the rivets in the riveting process is relatively poor, which greatly increases the expenditure of labor costs, is inconvenient to use, and is not conducive to promotion and use. Summary of the invention

[0003] In view of the above problems, the present invention provides an aircraft skin drilling and riveting processing device, which ensures that the countersink depth of each through hole is equal by setting the height between the drilling motor and the countersink motor and the upper surface of the skin, and ensures the flatness of the rivet on the skin by setting the distance between the upper surface of the left skin bracket, the top iron and the right skin bracket to the base surface and the distance between the opposite surfaces of the skin and the base.

[0004] To achieve the above object, the present invention provides the following technical solution: an aircraft skin drilling and riveting processing device, characterized in that it comprises: a base and a skin, a skin conveying device and a power control module are arranged on the base, and a riveting head module and a drilling countersink module are arranged in sequence from left to right above the skin conveying device;

[0005] One end of the skin is inserted into the roller along the upper surface of the right skin bracket of the skin conveying device and extends to the left skin bracket. The skin moves to the left under the action of the roller, and the drilling motor of the drilling countersinking module drills a through hole in the skin. The countersinking motor of the drilling countersinking module countersinks the first through hole, and the rivet gun of the pressure riveting pier head module presses the countersink, and the top iron of the pressure riveting pier head module presses the pier head.

[0006] Furthermore, the skin conveying device further comprises: a skin shaft, a servo motor and a transmission belt a;

[0007] The upper surface of the base is fixedly connected with a left skin bracket, a right skin bracket and a skin shaft in sequence from left to right; the right skin bracket is rotationally connected to the servo motor through a transmission belt a.

[0008] Furthermore, the drilling and countersinking module further comprises: a driving frame, a driving box, a transmission belt b, a half gear, a driving box bracket and an elliptical gear;

[0009] A driving frame is arranged above the skin, a driving box is set on the top of the driving frame, the rear side of the driving box is fixedly connected to the base through a driving box bracket, a transmission is arranged on the rear side of the driving box, and the driving frame is rotationally connected to the driving wheel through a half gear, and the driving wheel is rotationally connected to the right skin bracket through a transmission belt b;

[0010] The left and right ends of the driving frame are respectively fixedly connected with a countersinking motor and a drilling motor, and the top end of the driving frame is fixedly connected with an elliptical gear.

[0011] Furthermore, the distance between the axes of the drilling motor and the countersinking motor matches the distance between each through hole on the skin.

[0012] Furthermore, the pressure riveting pier head module also includes: a slide rail, a conveying pipe, a slide rail bracket, a brake box, a hand brake, a brake line, a hand brake bracket, an air pipe, a double-ear nut, a triangular bracket rivet gun bracket, a stud and a drive motor;

[0013] The output shafts of the four driving motors are all fixedly connected with studs, the outer surfaces of the four studs are threadedly connected with rivet gun brackets, and the top ends of the four studs are threadedly connected with double-ear nuts, a through hole is opened in the middle of the rivet gun bracket, and a rivet gun is fixedly connected in the through hole;

[0014] The front and rear ends of the rivet gun are fixedly connected to the rivet gun bracket through a triangular bracket, a brake box is fixedly connected to the rear side of the middle part of the rivet gun bracket, the output end of the brake box is connected to the input end of the rivet gun through an air pipe, the left and right ends of the rivet gun bracket are fixedly connected to the hand brake bracket, and the inner side of the hand brake bracket is fixedly connected to the hand brake;

[0015] The output end of the hand brake is connected to the input end of the brake box through a brake line, the right side surface of the rivet gun bracket is fixedly connected to a slide rail bracket, the right end surface of the slide rail bracket is fixedly connected to a slide rail, and the top end of the slide rail is fixedly connected to a conveying pipe, and the lower surface of the rivet gun bracket is fixedly connected to a top iron.

[0016] Furthermore, an air nozzle is fixedly connected to the top of the rivet gun, a spring limit plate is fixedly connected to the middle and lower part of the inner side of the rivet gun, a through hole is opened in the middle of the upper surface of the spring limit plate, a rivet clamp is provided at the bottom of the rivet gun, and a spring is fixedly connected between the rivet clamp and the opposite surface of the spring limit plate.

[0017] Furthermore, the distance between the upper surface of the left skin bracket, the top iron and the right skin bracket and the upper surface of the base is adapted to the distance between the opposite surfaces of the skin and the base.

[0018] The present invention has the following beneficial effects:

[0019] Compared with the prior art, the present invention provides an aircraft skin drilling and riveting processing device, which has the following beneficial effects:

[0020] 1. The present invention ensures that the countersink depth of each through hole is equal by setting the height between the drilling motor and the countersink motor and the upper surface of the skin, thereby ensuring the concave-convex degree of the rivet on the skin;

[0021] 2. The present invention sets the distance between the upper surface of the left skin bracket, the top iron and the right skin bracket to the base surface and the distance between the opposite surfaces of the skin and the base, so that the head height and diameter of each rivet are equal during the riveting process, thereby ensuring the consistency of the flatness of the rivet on the skin during the entire riveting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural breakdown diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the present invention;

[0024] Figure 3 It is a partial schematic diagram of the structure of the present invention;

[0025] Figure 4 It is a partial enlarged view of the structure of the present invention.

[0026] In the figure: 1-base; 2-drive frame; 201-drilling motor; 202-countersinking motor; 203-elliptical gear; 3-skin shaft; 4-drive box; 5-servo motor; 6-drive belt a; 7-drive belt b; 8-half gear; 9-drive box bracket; 10-slide rail; 11-delivery pipe; 12-slide rail bracket; 13-brake box; 14-rivet gun; 141-air nozzle; 142-spring limit plate; 143-rivet card; 144-spring; 15-hand brake; 16-brake line; 17-hand brake bracket; 18-air pipe; 19-double-ear nut; 20-triangular bracket; 21-rivet gun bracket; 22-stud; 23-drive motor; 24-left skin bracket; 25-top iron; 26-skin; 27-right skin bracket. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the present invention provides a technical solution: an aircraft skin drilling and riveting processing device, comprising a base 1, the upper surface of the base 1 is fixedly connected with a left skin bracket 24, four drive motors 23, a right skin bracket 27 and a skin shaft 3 in sequence from left to right;

[0029] The output shafts of the four driving motors 23 are all fixedly connected with studs 22, the outer surfaces of the four studs 22 are threadedly connected with the rivet gun bracket 21, and the top ends of the four studs 22 are threadedly connected with double-ear nuts 19, a through hole is provided in the middle of the rivet gun bracket 21, and the rivet gun 14 is fixedly connected in the through hole, the top end of the rivet gun 14 is fixedly connected with an air nozzle 141, and the middle and lower parts of the inner side of the rivet gun 14 are fixedly connected with a spring limiting plate 142, and a through hole is provided in the middle of the upper surface of the spring limiting plate 142, a rivet clamp 143 is provided at the bottom of the rivet gun 14, and a spring 144 is fixedly connected between the opposite surfaces of the rivet clamp 143 and the spring limiting plate 142, when the through hole reaches the bottom of the rivet gun 14, the rivet gun 14 is inflated, and at this time, the pressure inside the rivet gun 14 is greater than the elastic force of the spring 144, the rivet clamp 143 moves downward, and when the pressure inside the rivet gun 14 is less than When the elastic force of the spring 144 is released, the rivet clamp 143 moves upward, thereby repeatedly striking and extruding the rivet, and a pier head is formed under the action of the top iron 25. The front and rear ends of the rivet gun 14 are fixedly connected to the rivet gun bracket 21 through the triangular bracket 20. The rear side of the middle part of the rivet gun bracket 21 is fixedly connected with the brake box 13. The output end of the brake box 13 is connected to the input end of the rivet gun 14 through the air pipe 18. The left and right ends of the rivet gun bracket 21 are fixedly connected with the hand brake bracket 17. The inner side of the hand brake bracket 17 is fixedly connected with the hand brake 15, and the output end of the hand brake 15 is connected to the input end of the brake box 13 through the brake line 16. The right side surface of the rivet gun bracket 21 is fixedly connected with the slide rail bracket 12, the right end surface of the slide rail bracket 12 is fixedly connected with the slide rail 10, and the top of the slide rail 10 is fixedly connected with the conveying pipe 11, and the lower surface of the rivet gun bracket 21 is fixedly connected with the top iron 25;

[0030] The power control device includes a control switch and an external power plug, the external power plug is electrically connected to the control switch, the control switch is electrically connected to the servo motor 5, the four drive motors 23, the drilling motor 201, and the countersinking motor 202 respectively, the mechanical operation is controlled by the switch, the automation degree of the equipment is improved, the work efficiency is increased, and the economic benefits are improved, the control program is written in the PLC controller of the power control device according to the needs, and the control panel of the power control device is operated to control the equipment when in use, and the whole working process is automatically controlled by the power control device;

[0031] A right skin 26 is arranged on the upper surfaces of the right skin bracket 27, the top iron 25 and the left skin bracket 24, and a driving frame 2 is arranged above the skin 26, and a countersinking motor 202 and a drilling motor 201 are fixedly connected to the left and right ends of the driving frame 2 respectively, and the distance between the axis of the drilling motor 201 and the countersinking motor 202 is adapted to the distance between each through hole on the skin 26 to ensure the consistency of rivet forming when the processing is completed, and an elliptical gear 203 is fixedly connected to the top of the driving frame 2 to realize the repeated up and down linear motion of the driving frame 2, a driving box 4 is set on the top of the driving frame 2, and the rear side of the driving box 4 is fixedly connected to the base 1 through the driving box bracket 9, and a transmission is arranged on the rear side of the driving box 4, and the driving frame 2 is rotationally connected with the transmission wheel through the half gear 8, the transmission wheel is rotationally connected with the right skin bracket 27 through the transmission belt b7, and the right skin bracket 27 is rotationally connected with the servo motor 5 through the transmission belt a6, the distance between the upper surface of the left skin bracket 24, the top iron 25 and the right skin bracket 27 and the upper surface of the base 1 is adapted to the distance between the skin 26 and the opposite surface of the base 1, so that the head height and diameter of each rivet are equal during the riveting process, thereby ensuring the consistency of the flatness of the rivet on the skin during the entire riveting process, thereby solving the problem of a high error rate in manual operation and relatively poor consistency of the flatness of the rivet during the riveting process due to the different operating proficiency of each person.

[0032] When in use, the user places the skin 26 on the skin shaft 3, inserts one end of the skin 26 into the roller along the upper surface of the right skin bracket 27, starts the servo motor 5, and makes the skin move to the left under the action of the roller. When it moves to the bottom of the drilling motor 201, the drive frame 2 moves downward to punch a through hole in the skin 26. Under the action of the right skin bracket 27, the skin 26 continues to move to the left, and the drive frame 2 moves upward at the same time. When the first through hole is about to reach the bottom of the countersinking motor 202, the drive frame 2 moves downward to countersink the first through hole. When the countersunk through hole reaches the bottom of the slide rail 10, the rivet falls into the through hole. As the skin moves, the first through hole reaches the bottom of the rivet gun 14, and the rivet gun 14 is inflated. At this time, the pressure inside the rivet gun 14 increases, causing the rivet clamp 143 to move downward, thereby knocking and extruding the rivet, and under the action of the top iron 25, a pier head is formed.

[0033] In summary, the skin drilling and riveting processing device ensures that the countersink depth of each through hole is equal by setting the height between the drilling motor 201 and the countersink motor 202 and the upper surface of the skin, thereby ensuring the degree of protrusion and depression of the rivet on the skin, and by setting the distance between the upper surface of the left skin bracket 24, the top iron 25 and the right skin bracket 27 to the surface of the base 1 and the distance between the skin 26 and the opposite surfaces of the base 1, the height and diameter of the head of each rivet are made equal during the riveting process, thereby ensuring the consistency of the flatness of the rivet on the skin during the entire riveting process.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aircraft skin drilling and riveting device, characterized in that: include: A base (1) and a skin (26), wherein a skin conveying device and a power control module are arranged on the base (1), and a riveting pier module and a drilling countersink module are arranged in sequence from left to right above the skin conveying device; One end of the skin (26) is inserted into the roller along the upper surface of the right skin bracket (27) of the skin conveying device and extends to the left skin bracket (24). The skin (26) moves to the left under the action of the roller. The drilling motor (201) of the drilling countersinking module drills a through hole in the skin (26). The countersinking motor (202) of the drilling countersinking module countersinks the first through hole. The rivet gun (14) of the pressure riveting pier head module pressure rivets the countersink. The top iron (25) of the pressure riveting pier head module pressure rivets the pier head. The skin transmission device further comprises: a skin shaft (3), a servo motor (5) and a transmission belt a (6); the upper surface of the base (1) is fixedly connected with a left skin bracket (24), a right skin bracket (27) and the skin shaft (3) in sequence from left to right; the right skin bracket (27) is rotationally connected to the servo motor (5) via the transmission belt a (6); The drilling countersink module further comprises: a drive frame (2), a drive box (4), a transmission belt b (7), a half gear (8), a drive box bracket (9) and an elliptical gear (203); a drive frame (2) is arranged above the skin (26); a drive box (4) is hooked to the top end of the drive frame (2); a rear side of the drive box (4) is fixedly connected to the base (1) via the drive box bracket (9); a transmission is arranged on the rear side of the drive box (4); the drive frame (2) is rotationally connected to the transmission wheel via the half gear (8); the transmission wheel is rotationally connected to the right skin bracket (27) via the transmission belt b (7); the left and right ends of the drive frame (2) are respectively fixedly connected to the countersink motor (202) and the drilling motor (201); and the top end of the drive frame (2) is fixedly connected to the elliptical gear (203); The pressure riveting pier head module further comprises: a slide rail (10), a conveying pipe (11), a slide rail bracket (12), a brake box (13), a hand brake (15), a brake line (16), a hand brake bracket (17), an air pipe (18), a double-ear nut (19), a triangular bracket (20), a rivet gun bracket (21), a stud (22) and a driving motor (23); the output shafts of the four driving motors (23) are all fixedly connected with the studs (22); the outer surfaces of the four studs (22) are threadedly connected with the rivet gun bracket (21); the top ends of the four studs (22) are threadedly connected with the double-ear nut (19); a through hole is opened in the middle of the rivet gun bracket (21), and a rivet gun (14) is fixedly connected in the through hole; the front and rear ends of the rivet gun (14) are connected to the triangular bracket (20) through the triangular bracket (20). The rivet gun bracket (21) is fixedly connected, the rear side of the middle part of the rivet gun bracket (21) is fixedly connected with a brake box (13), the output end of the brake box (13) is connected to the input end of the rivet gun (14) through an air pipe (18), the left and right ends of the rivet gun bracket (21) are fixedly connected with a hand brake bracket (17), and the inner side of the hand brake bracket (17) is fixedly connected with a hand brake (15); the output end of the hand brake (15) is connected to the input end of the brake box (13) through a brake line (16), the right side surface of the rivet gun bracket (21) is fixedly connected with a slide rail bracket (12), the right end surface of the slide rail bracket (12) is fixedly connected with a slide rail (10), and the top end of the slide rail (10) is fixedly connected with a conveying pipe (11), and the lower surface of the rivet gun bracket (21) is fixedly connected with a top iron (25); The top of the rivet gun (14) is fixedly connected to an air nozzle (141), the middle and lower part of the inner side of the rivet gun (14) is fixedly connected to a spring limit plate (142), a through hole is provided in the middle of the upper surface of the spring limit plate (142), a rivet clamp (143) is provided at the bottom of the rivet gun (14), and a spring (144) is fixedly connected between the rivet clamp (143) and the opposite surface of the spring limit plate (142); The power control device comprises a control switch and an external power plug, the external power plug is electrically connected to the control switch, the control switch is electrically connected to the servo motor (5), four drive motors (23), a drilling motor (201), and a countersinking motor (202), respectively, the mechanical operation is controlled by the switch, and the automation degree of the equipment is improved. A control program is written in a PLC controller of the power control device, and the control panel of the power control device is operated to control the equipment during use, and the entire working process is automatically controlled by the power control device; The skin (26) is placed on the skin shaft (3), and one end of the skin (26) is inserted into the roller along the upper surface of the right skin bracket (27). The servo motor (5) is started to make the skin move to the left under the action of the roller. When the skin moves to the bottom of the drilling motor (201), the drive frame (2) moves downward to punch a through hole in the skin (26). Under the action of the right skin bracket (27), the skin (26) continues to move to the left, and the drive frame (2) moves upward at the same time. When the first through hole is about to reach the bottom of the countersinking motor (202), the drive frame (2) moves downward to countersink the first through hole. When the countersunk through hole reaches the bottom of the slide rail (10), the rivet falls into the through hole. As the skin moves, the first through hole reaches the rivet gun (14). The rivet gun (14) is inflated below the rivet gun (14), and the pressure inside the rivet gun (14) increases, causing the rivet clamp (143) to move downward, thereby striking and squeezing the rivet, and forming a pier head under the action of the top iron (25); by setting the height between the drilling motor (201) and the countersinking motor (202) and the upper surface of the skin, the countersinking depth of each through hole is ensured to be equal, thereby ensuring the degree of concavity and convexity of the rivet on the skin; by setting the distance between the upper surface of the left skin bracket (24), the top iron (25) and the right skin bracket (27) and the surface of the base (1) and the distance between the opposite surfaces of the skin (26) and the base (1), the pier head height and diameter of each rivet are equal during the riveting process, thereby ensuring the consistency of the flatness of the rivet on the skin during the entire riveting process.

2. The aircraft skin drilling and riveting device according to claim 1, characterized in that: The distance between the axis centers of the drilling motor (201) and the countersinking motor (202) matches the distance between each through hole on the skin (26).

3. The aircraft skin drilling and riveting device according to claim 1, characterized in that: The distance between the upper surfaces of the left skin support (24), the top iron (25) and the right skin support (27) and the upper surface of the base (1) matches the distance between the opposite surfaces of the skin (26) and the base (1).

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