A welding device for an aircraft wing support frame

Abstract

The present invention relates to a welding device for an aircraft wing support frame, which includes a conveying device arranged on a floor. A first vertical plate and a second vertical plate are fixed on the floor. A reciprocating mechanism is arranged between the first vertical plate and the second vertical plate. A transverse connecting plate is arranged on the reciprocating mechanism. A lifting mechanism is arranged on the bottom surface of the transverse connecting plate. A pressing plate is arranged on the lifting mechanism. A plurality of toolings for placing the wing support frames are arranged at equal intervals on the conveying device. Through holes corresponding to the positions of the corresponding welding points on the wing support frame are formed on the pressing plate. A welding torch corresponding to the through holes is arranged on the pressing plate. A plurality of nozzles are arranged on both the first vertical plate and the second vertical plate. The nozzles are communicated with a pump impeller through pipelines. The reciprocating mechanism is in transmission connection with the pump impeller. This kind of welding device for an aircraft wing support frame realizes welding operations without stopping, thereby improving the welding efficiency of the wing support frame. Moreover, it blows air to clean the wing support frame to be welded, and at the same time, it also blows air to clean and cool the welded wing support frame.

Description

Technical Field

[0001] The present invention relates to the field of aircraft component processing, and specifically to a welding device for an aircraft wing support frame. Background Art

[0002] The wing support frame is the core structural part of the wing. After assembly and welding, it forms an overall structure to support other structural components on the wing and maintain the flight stability of the aircraft during takeoff. When welding the wing support frame, it is necessary to assemble the support frame on the corresponding tooling and weld the welding points. However, the current welding efficiency of the wing support frame is low, and it is also necessary to clean and cool the wing support frame before and after welding. In view of this, we propose a welding device for an aircraft wing support frame. Summary of the Invention

[0003] The purpose of the present invention is to provide a welding device for an aircraft wing support frame to solve the problems raised in the above background art. To achieve the above purpose, the present invention provides the following technical solution: A welding device for an aircraft wing support frame includes a conveying device arranged on a platform. On the platform, a first vertical plate and a second vertical plate are fixed. A reciprocating mechanism is arranged between the first vertical plate and the second vertical plate, and a transverse connecting plate is arranged on the reciprocating mechanism. A lifting mechanism is arranged on the bottom surface of the transverse connecting plate, and a pressing plate is arranged on the lifting mechanism. A plurality of toolings for placing the wing support frame are arranged at equal intervals on the conveying device, and through holes corresponding to the welding points on the wing support frame are formed on the pressing plate. A support corresponding to the through hole is fixed on the pressing plate, and a welding torch is arranged on the support;

[0004] A plurality of nozzles are arranged on both the first vertical plate and the second vertical plate, and the nozzles are communicated with a pump wheel through pipelines. The reciprocating mechanism is in transmission connection with the pump wheel.

[0005] Preferably, the reciprocating mechanism includes two parallel screw rods. One end of each screw rod is rotatably connected to the second vertical plate in a fixed-axis manner, and the other end penetrates and is rotatably connected to the first vertical plate in a fixed-axis manner. The two screw rods are in transmission connection through a belt pulley assembly. A motor is fixed on the platform, and the motor is in transmission connection with one of the screw rods. One of the screw rods is in transmission connection with the impeller shaft of the pump wheel.

[0006] Preferably, a first flow dividing pipe and a second flow dividing pipe are respectively fixed to the lower ends of the first vertical plate and the second vertical plate, and a plurality of nozzles are fixed and communicated with both the first flow dividing pipe and the second flow dividing pipe. An air pipe is fixed and communicated with the circumferential wall of the pump wheel, and the air outlet end of the air pipe is connected to the first flow dividing pipe and the second flow dividing pipe. The conveying device drives the tooling to pass under the nozzles.

[0007] Preferably, sliding sleeves are fixed to both ends of the transverse connecting plate. The two sliding sleeves are respectively sleeved and slidably connected to the two screw rods, and the sliding sleeves are connected to the first vertical plate through second springs.

[0008] Preferably, a chute is formed on the inner wall of the sliding sleeve, a slider is slidably connected in the chute, and a thread groove adapted to the external thread on the screw rod is formed on the side of the slider facing the screw rod. A first cylinder is fixed on the outer peripheral wall of the sliding sleeve, a push rod is fixedly connected to the side of the slider away from the screw rod, and the push rod penetrates through the side wall of the sliding sleeve and is fixedly connected to the piston rod end of the first cylinder.

[0009] Preferably, a downwardly disposed suspension rod is fixed to the bottom surface of the transverse connecting plate, and the lower end of the suspension rod is sleeved and slidably connected to a first sliding cylinder. The lower end of the suspension rod is connected to the lower end of the first sliding cylinder through a first spring. An arc-shaped plate is fixed to one side of the circumferential wall of the lower end of the first sliding cylinder facing the running direction of the conveying device, and a first touch switch is fixed to the inner arc surface of the arc-shaped plate. A shifting rod corresponding to the tooling is fixed on the conveying device, and the shifting rod is in abutting contact with the first touch switch.

[0010] Preferably, a wedge-shaped block is fixed to the circumferential wall of the first sliding cylinder, and the wedge surface of the wedge-shaped block is disposed downward. A jacking rod is fixed to the base platform, and the jacking rod is in abutting contact with and relatively slides on the wedge surface.

[0011] Preferably, the lifting mechanism includes a second cylinder fixed to the bottom surface of the transverse connecting plate. The piston rod of the second cylinder is disposed downward. A second sliding cylinder is fixed to the upper surface of the pressing plate, and a sliding plate is slidably connected inside the second sliding cylinder. The lower end of the piston rod of the second cylinder is fixedly connected to the sliding plate. A second touch switch is fixed to the lower end inside the second sliding cylinder. The sliding plate is connected to the pressing plate through a third spring.

[0012] Preferably, a vertically upwardly disposed sliding rod is fixed to the upper surface of the pressing plate, and a tooth groove is formed on the circumferential wall of the sliding rod. A guiding sleeve is fixed to the bottom surface of the transverse connecting plate and is disposed vertically downward. The sliding rod is inserted and slidably connected inside the guiding sleeve. A third cylinder is fixed to the lower end of the outer side wall of the guiding sleeve, and a locking rod penetrates through and is slidably connected to the outer side wall of the guiding sleeve. The piston rod end of the third cylinder is fixedly connected to the locking rod, and teeth are formed at the end of the locking rod pointing inside the guiding sleeve.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] In the present invention, through the reciprocating mechanism and the lifting mechanism, the welding torch runs synchronously with the tooling when welding the wing support frame, so as to realize the welding operation without stopping the vehicle, thereby improving the welding efficiency of the wing support frame. Moreover, after the welding is completed, the welding torch automatically resets, and during the reset process, the wing support frame to be welded is blown and cleaned, and at the same time, the welded wing support frame is also blown and cleaned and cooled. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic cross-sectional structure diagram of the general assembly of the present invention Figure 1 ;

[0016] Figure 2 isFigure 1 Schematic enlarged structure diagram at position A in

[0017] Figure 3 is Figure 1 Schematic cross-sectional structure diagram of B-B in

[0018] Figure 4 Schematic cross-sectional mechanism diagram of the sliding sleeve in the present invention;

[0019] Figure 5 is the schematic cross-sectional structure of the overall assembly of the present invention Figure 2 .

[0020] In the figure: 1, floor; 2, conveying equipment; 3, tooling; 4, lever; 5, first vertical plate; 6, screw; 7, sliding sleeve; 8, first cylinder; 9, horizontal connecting plate; 10, pressing plate; 11, through hole; 12, bracket; 13, welding torch; 14, second cylinder; 15, wedge block; 16, ejector rod; 17, first sliding cylinder; 18, suspension rod; 19, first spring; 20, arc plate; 21, second vertical plate; 22, pulley assembly; 23, motor; 24, first touch switch; 25, second spring; 26, guide sleeve; 27, sliding rod; 28, third cylinder; 29, locking rod; 30, second sliding cylinder; 31, sliding plate; 32, third spring; 33, second touch switch; 34, push-pull rod; 35, slider; 36, chute; 37, pump wheel; 38, air pipe; 39, first shunt pipe; 40, second shunt pipe; 41, nozzle. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1 to 5 , the present invention provides a technical solution: A welding device for an aircraft wing support frame, including a conveying device 2 arranged on a floor 1, a first vertical plate 5 and a second vertical plate 21 are fixed on the floor 1, a reciprocating mechanism is arranged between the first vertical plate 5 and the second vertical plate 21, and a horizontal connecting plate 9 is arranged on the reciprocating mechanism. A lifting mechanism is arranged on the bottom surface of the horizontal connecting plate 9, a pressing plate 10 is arranged on the lifting mechanism, a plurality of toolings 3 for placing the wing support frame are arranged at equal intervals on the conveying device 2, and through holes 11 corresponding to the positions of the corresponding welding points on the wing support frame are opened on the pressing plate 10. A bracket 12 corresponding to the through hole is fixed on the pressing plate 10, and a welding torch 13 is arranged on the bracket 12;

[0023] A plurality of nozzles 41 are provided on both the vertical plate one 5 and the vertical plate two 21, and the nozzles 41 are communicated with the pump impeller 37 through pipelines, and the reciprocating mechanism is in transmission connection with the pump impeller 37.

[0024] In this embodiment, the reciprocating mechanism includes two parallelly arranged screw rods 6. One end of the screw rod 6 is rotatably connected to the vertical plate two 21 in a fixed-axis manner, and the other end penetrates and is rotatably connected to the vertical plate one 5 in a fixed-axis manner. The two screw rods 6 are in transmission connection through a belt pulley assembly 22. A motor 23 is fixed on the platform 1, and the motor 23 is in transmission connection with one of the screw rods 6. One of the screw rods 6 is in transmission connection with the impeller shaft of the pump impeller 37. The lower ends of the vertical plate one 5 and the vertical plate two 21 are respectively fixedly connected with a first shunt pipe 39 and a second shunt pipe 40, and a plurality of nozzles 41 are fixedly connected and communicated on both the first shunt pipe 39 and the second shunt pipe 40. An air pipe 38 is fixedly connected and communicated on the peripheral wall of the pump impeller 37, and the air outlet end of the air pipe 38 is connected and communicated with the first shunt pipe 39 and the second shunt pipe 40. The conveying device 2 drives the tooling 3 to pass under the nozzles 41.

[0025] In this embodiment, sliding sleeves 7 are fixed at both ends of the horizontal connecting plate 9. The two sliding sleeves 7 are respectively sleeved and slidably connected on the two screw rods 6. The sliding sleeves 7 are connected to the vertical plate one 5 through springs two 25. A sliding groove 36 is formed on the inner wall of the sliding sleeve 7. A sliding block 35 is slidably connected in the sliding groove 36, and a thread groove adapted to the external thread on the screw rod 6 is formed on the side of the sliding block 35 facing the screw rod 6. A first cylinder 8 is fixed on the outer peripheral wall of the sliding sleeve 7. A push-pull rod 34 is fixedly connected to the side of the sliding block 35 away from the screw rod 6, and the push-pull rod 34 penetrates the side wall of the sliding sleeve 7 and is fixedly connected to the piston rod end of the first cylinder 8.

[0026] In this embodiment, a hanging rod 18 is fixed on the bottom surface of the horizontal connecting plate 9 and extends downward. The lower end of the hanging rod 18 is sleeved and slidably connected with a first sliding cylinder 17. The lower end of the hanging rod 18 is connected to the lower end of the first sliding cylinder 17 through a spring one 19. An arc-shaped plate 20 is fixed on the side of the lower end peripheral wall of the first sliding cylinder 17 facing the running direction of the conveying device, and a first touch switch 24 is fixed on the inner arc surface of the arc-shaped plate 20. A shifting rod 4 corresponding to the tooling 3 is fixed on the conveying device 2, and the shifting rod 4 is in abutting contact with the first touch switch 24. A wedge-shaped block 15 is fixed on the peripheral wall of the first sliding cylinder 17, and the wedge-shaped surface of the wedge-shaped block 15 faces downward. A top rod 16 is fixed on the platform 1, and the top rod 16 is in abutting contact with and relatively slides on the wedge-shaped surface.

[0027] In this embodiment, the lifting mechanism includes a second cylinder 14 fixed to the bottom surface of the horizontal connecting plate 9. The piston rod of the second cylinder 14 is arranged downward. A second sliding cylinder 30 is fixed to the upper surface of the pressing plate 10. A sliding plate 31 is slidably connected inside the second sliding cylinder 30. The lower end of the piston rod of the second cylinder 14 is fixedly connected to the sliding plate 31. A second touch switch 33 is fixed to the lower end inside the second sliding cylinder 30. The sliding plate 31 is connected to the pressing plate 10 through a third spring 32. A vertical sliding rod 27 is fixed to the upper surface of the pressing plate 10. A tooth groove is formed on the peripheral wall of the sliding rod 27. A guide sleeve 26 is fixed to the bottom surface of the horizontal connecting plate 9 and arranged vertically downward. The sliding rod 27 is inserted and slidably connected inside the guide sleeve 26. A third cylinder 28 is fixed to the lower end of the outer side wall of the guide sleeve 26. A locking rod 29 penetrates and is slidably connected to the outer side wall of the guide sleeve 26. The piston rod end of the third cylinder 28 is fixedly connected to the locking rod 29. A tooth is formed at the end of the locking rod 29 pointing to the inside of the guide sleeve 26.

[0028] Working principle and advantages of the present invention: When the welding device for the aircraft wing support frame is in use, the working process is as follows:

[0029] As Figure 1 , Figure 3 and Figure 5 shown, place the wing support frame assembly to be welded on the tooling 3. Control the conveying device 2 through the controller to drive the tooling 3 and the wing support frame assembly thereon to approach the horizontal connecting plate 9. When the corresponding lever 4 of the tooling 3 abuts against the first touch switch 24 on the inner wall of the arc-shaped plate 20, the first touch switch 24 transmits the contact signal of the lever 4 to the controller. The controller controls the second cylinder 14 to work, so that the second cylinder 14 drives the pressing plate 10 to move downward. When the pressing plate 10 abuts against the wing support frame assembly on the tooling 3 and presses the wing support assembly tightly, and each through hole 11 corresponds to each welding point position. As Figure 2 shown, at this time, the sliding plate 31 continues to be pushed by the second cylinder 14 to compress the third spring 32. When the sliding plate 31 abuts against the second touch switch 33, the second touch switch 33 transmits the contact signal of the sliding plate 31 to the controller. The controller controls the second cylinder 14 to stop working. At the same time, the controller controls the third cylinder 28 to work, so that the piston rod of the third cylinder 28 pushes the locking rod 29 to approach the sliding rod 27, and the tooth on the locking rod 29 engages with the tooth groove on the sliding rod 27 to lock the sliding rod 27 and the guide sleeve 26, thereby maintaining the pressing stability of the pressing plate 10 on the wing support assembly and preventing the components at the welding point position from being misaligned during welding. At the same time, the controller also controls the welding torch 13 to weld the welding point position.

[0030] As described above, while the lever 4 is in abutting contact with the arc-shaped plate 20, a thrust is given to the arc-shaped plate 20, so that the arc-shaped plate 20 drives the cross-connecting plate 9 to move synchronously with the tooling 3 through the first sliding cylinder 17 and the suspension rod 18. Furthermore, the cross-connecting plate 9 drives the sliding sleeve 7 to slide on the screw rod 6 and compresses the second spring 25, so that the second spring 25 obtains a restoring force. The reaction force exerted by the second spring 25 on the sliding sleeve 7 enables the lever 4 to stably abut against the arc-shaped plate 20, thereby realizing the welding operation without stopping the vehicle, and thus improving the welding efficiency of the wing support frame.

[0031] After the wedge surface of the wedge block 15 is in abutting contact with the ejector rod 16, the first sliding cylinder 17 moves upward on the suspension rod 18 under the reaction force of the ejector rod 16, so that the arc-shaped plate 20 is separated from the lever 4. At this time, the first touch switch 24 is not in contact with the lever 4. At this time, the welding is completed, and the controller controls the welding torch 13 to stop working. At the same time, the controller controls the second cylinder 14 and the third cylinder 28 to work, so that the third cylinder 28 drives the locking rod 29 away from the sliding rod 27 to release the locking of the sliding rod 27. The second cylinder 14 drives the sliding plate 31 to move upward and away from the second touch switch 33, so that the sliding plate 31 drives the pressing plate 10 to move upward and reset through the third spring 32. And the controller controls the first cylinder 8 and the motor 23 to work, as Figure 4 shown, so that the first cylinder 8 pushes the slider 35 close to the screw rod 6 through the push-pull rod 34, and the thread groove on the slider 35 engages with the external thread on the screw rod 6, thereby preventing the restoring force of the second spring 25 from pushing the sliding sleeve 7 to oscillate reciprocally on the screw rod 6. At the same time, the motor 23 drives the screw rod 6 to rotate, so that the screw rod 6 drives the sliding sleeve 7 to reset uniformly through screw thread transmission.

[0032] As described above, while the screw rod 6 is rotating, the pump wheel 37 is driven to work, so that the pump wheel 37 conveys air into the first shunt pipe 39 and the second shunt pipe 40 through the air pipe 38. Thus, the air in the second shunt pipe 40 is ejected through each nozzle 41 thereon to blow and clean the wing support frame to be welded. The air in the first shunt pipe 39 is ejected through each nozzle 41 thereon to blow and clean and cool the welded wing support frame.

[0033] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0034] In the description of the present invention, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A welding device for an aircraft wing support frame, comprising a conveying device (2) arranged on a platform (1), characterized in that: A vertical plate 1 (5) and a vertical plate 2 (21) are fixed on the platform (1), a reciprocating mechanism is arranged between the vertical plate 1 (5) and the vertical plate 2 (21), and a cross-connecting plate (9) is arranged on the reciprocating mechanism, a lifting mechanism is arranged on the bottom surface of the cross-connecting plate (9), and a pressing plate (10) is arranged on the lifting mechanism, a plurality of toolings (3) for placing wing support frames are arranged at equal intervals on the conveying device (2), and a through hole (11) corresponding to a welding point position on the wing support frame is opened on the pressing plate (10), a bracket (12) corresponding to the through hole is fixed on the pressing plate (10), and a welding gun (13) is arranged on the bracket (12); A plurality of nozzles (41) are provided on each of the vertical plate 1 (5) and the vertical plate 2 (21), and the nozzles (41) are connected to the pump wheel (37) through pipelines, and the reciprocating mechanism is drivingly connected to the pump wheel (37); The reciprocating mechanism comprises two screw rods (6) arranged parallel to each other, one end of the screw rods (6) is connected to the second vertical plate (21) in a fixed-axis rotational manner, and the other end passes through and is connected to the first vertical plate (5) in a fixed-axis rotational manner, the two screw rods (6) are connected in transmission via a pulley assembly (22), a motor (23) is fixed on the platform (1), and the motor (23) is connected in transmission to one of the screw rods (6), one of the screw rods (6) is connected in transmission to the impeller shaft of the pump wheel (37), and the cross connecting plate (9) is connected in a fixed-axis rotational manner. Slide sleeves (7) are fixed at both ends, and the two slide sleeves (7) are respectively sleeved and slidably connected to the two screw rods (6). The slide sleeve (7) is connected to the vertical plate (5) through the spring (25). A slide groove (36) is provided on the inner wall of the slide sleeve (7). A slider (35) is slidably connected in the slide groove (36). The slider (35) is provided with a thread groove matching the external thread on the screw rod (6) on the side facing the screw rod (6). A cylinder (8) is fixed on the outer peripheral wall of the slide sleeve (7). One side of the back screw (6) of the slider (35) is fixedly connected to the push-pull rod (34), and the push-pull rod (34) passes through the side wall of the sliding sleeve (7) and is fixedly connected to the piston rod end of the cylinder (8). The bottom surface of the cross-connecting plate (9) is fixed with a downwardly arranged suspension rod (18), and the lower end of the suspension rod (18) is sleeved and slidably connected to the slide cylinder (17). The lower end of the suspension rod (18) is connected to the lower end of the slide cylinder (17) through a spring (19), and the lower end peripheral wall of the slide cylinder (17) faces the transport device. An arc-shaped plate (20) is fixed on one side of the travel direction, and a touch switch (24) is fixed on the inner arc surface of the arc-shaped plate (20); a lever (4) corresponding to the tooling (3) is fixed on the conveying device (2), and the lever (4) is in abutment contact with the touch switch (24); a wedge block (15) is fixed on the peripheral wall of the slide cylinder (17), and the wedge surface of the wedge block (15) is arranged downward; a push rod (16) is fixed on the platform (1), and the push rod (16) is in abutment contact with the wedge surface and slides relatively.

2. A welding device for an aircraft wing support frame according to claim 1, characterized in that: The lower ends of the vertical plate 1 (5) and the vertical plate 2 (21) are respectively fixedly connected with a diverter pipe 1 (39) and a diverter pipe 2 (40), and the diverter pipe 1 (39) and the diverter pipe 2 (40) are both fixedly connected with a plurality of nozzles (41). The peripheral wall of the pump wheel (37) is fixedly connected with an air pipe (38), and the air outlet end of the air pipe (38) is connected with the diverter pipe 1 (39) and the diverter pipe 2 (40). The conveying device (2) drives the tooling (3) to pass through below the nozzles (41).

3. A welding device for an aircraft wing support frame according to claim 1, characterized in that: The lifting mechanism comprises a second cylinder (14) fixed to the bottom surface of the cross-connecting plate (9), the piston rod of the second cylinder (14) being arranged downward, a second slide cylinder (30) being fixed to the upper surface of the pressing plate (10), and the interior of the second slide cylinder (30) being slidably connected to a slide plate (31), the lower end of the piston rod of the second cylinder (14) being fixedly connected to the slide plate (31), the inner lower end of the second slide cylinder (30) being fixedly connected to a touch switch (33), and the slide plate (31) being connected to the pressing plate (10) via a third spring (32).

4. A welding device for an aircraft wing support frame according to claim 3, characterized in that: A slide bar (27) arranged vertically upward is fixed on the upper surface of the pressure plate (10), and a tooth groove is provided on the peripheral wall of the slide bar (27); a guide sleeve (26) arranged vertically downward is fixed on the bottom surface of the cross-connecting plate (9), and the slide bar (27) is inserted and slidably connected in the guide sleeve (26); a cylinder three (28) is fixed at the lower end of the outer wall of the guide sleeve (26), and a locking rod (29) passes through and is slidably connected to the outer wall of the guide sleeve (26); the piston rod end of the cylinder three (28) is fixedly connected to the locking rod (29), and a tooth is provided on the end of the locking rod (29) pointing to the inside of the guide sleeve (26).

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