CN112620713A

CN112620713A - Intelligent aircraft skin hole-making production line

Info

Publication number: CN112620713A
Application number: CN202011531380.3A
Authority: CN
Inventors: 王玥; 金超宁; 袁磊; 杨光; 陈鸣晖; 吴先波
Original assignee: Nanchang Yanchang Electromechanical Technology Co ltd
Current assignee: Nanchang Yanchang Electromechanical Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-04-09

Abstract

The invention discloses an intelligent aircraft skin hole-making production line, wherein the telescopic ends of a first electric telescopic rod and a second electric telescopic rod are rotatably connected with a hinge seat arranged on the lower surface of a support plate, the bottom of one of the first electric telescopic rod and the second electric telescopic rod is rotatably connected with the hinge seat, a movable rod is arranged above the support plate, a transmission shaft rotates to drive the movable rod to move left and right along the central axis of a first sleeve, one end of the movable rod is fixedly connected with a fixed plate, the middle part of the fixed plate is rotatably connected with a rotating rod, the bottom end of the rotating rod is fixedly connected with a rotating plate, the lower surface of the rotating plate is symmetrically provided with a third electric telescopic rod and a laser emitter, the telescopic end of the third electric telescopic rod is fixedly connected with a rotary motor, and the output end of the rotary motor is, accurate drilling on the aircraft skin is realized.

Description

Intelligent aircraft skin hole-making production line

Technical Field

The invention belongs to the technical field of aircraft skin processing equipment, and particularly relates to an intelligent aircraft skin hole-making production line.

Background

In the assembly and manufacturing process of an airplane, a guide hole needs to be drilled in the airplane skin to rivet the skin and the framework, the drilling process generally occurs in the assembly stage, and the skin drilling is a relatively repetitive work. At present, most of the existing drilling devices for processing the aircraft skin can only vertically drill the aircraft skin and are difficult to adapt to the aircraft skin with a curved surface structure, and most of the drilling for the aircraft skin with the curved surface structure is completed manually, but the manual operation has high error rate, the precision of the manual drilling cannot be guaranteed, and the drilling efficiency is low, so that an intelligent aircraft skin hole-making production line is urgently needed to improve the drilling.

Disclosure of Invention

The invention aims to improve and innovate the defects and problems in the background art and provides an intelligent aircraft skin hole-making production line.

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent aircraft skin hole-making production line comprises a first electric telescopic rod and a second electric telescopic rod, wherein the telescopic ends of the first electric telescopic rod and the second electric telescopic rod are rotatably connected with a hinge base arranged on the lower surface of a support plate, the bottom of one of the first electric telescopic rod and the second electric telescopic rod is rotatably connected with the hinge base, a first support base and a second support base are respectively arranged at two ends of the upper surface of the support plate, the upper end of the first support base is rotatably connected with a transmission shaft, the transmission shaft is driven by a motor to rotate, one end of the transmission shaft, far away from the motor, is fixedly connected with a rotary rod, one end of the rotary rod, far away from the transmission shaft, is provided with a convex rod, the convex rod is in sliding fit with a transmission frame, one side of the transmission frame, far away from the first support base, is fixedly connected with, first sleeve installs on the second supporting seat, and the one end fixedly connected with fixed plate of driving frame is kept away from to the carriage release lever, the fixed plate middle part is rotated through the bearing and is connected with the dwang, dwang bottom fixedly connected with rotor plate, third electric telescopic handle and laser emitter are installed to rotor plate lower surface symmetry, third electric telescopic handle's flexible end fixedly connected with rotating electrical machines, anchor clamps fixedly connected with drill bit is passed through to rotating electrical machines's output, distance between the axis of drill bit and dwang equals the distance between the axis of laser generator and dwang, and the below of rotor plate is provided with the conveyer belt.

The bearing is arranged below the fixed plate, two ends of an outer ring of the bearing are fixedly connected with the fixed plate through upper connecting rods, and two ends of an inner ring of the bearing are fixedly connected with the rotating plate through lower connecting rods.

A further scheme is that an arc-shaped sliding groove is formed in the upper surface of the fixing plate and is a semicircular groove, a second sleeve is fixedly connected to one side of the upper end of the rotating rod through a straight rod, a stop rod is arranged in the second sleeve, and the stop rod is in sliding fit with the arc-shaped sliding groove.

The utility model provides a further scheme is, the through-hole has been seted up to arc spout both ends bottom, through-hole and backstop pole bottom looks adaptation, second sleeve upper end internally mounted has the screw thread piece, and backstop pole upper end is the threaded rod, and the backstop pole lower extreme is smooth pole, backstop pole upper end outward flange and the threaded block inward flange threaded connection of screw thread, and the backstop board is installed to backstop pole lower extreme outward flange, and last limiting plate and lower limiting plate are installed to the inside interval of second sleeve lower extreme, the backstop board removes between last limiting plate and the lower limiting plate, and when backstop board lower surface and lower limiting plate contact, backstop pole bottom is arranged in the through-hole, and when backstop board upper surface and last limiting plate lower surface contact, backstop.

The further scheme is that the upper limiting plate, the lower limiting plate and the stop plate are all annular plates.

The further proposal is that the upper end of the rotating rod is fixedly connected with a rocker.

The further proposal is that the upper end of the stop rod is fixedly connected with a rotating nut.

Compared with the prior art, the invention has the beneficial effects that:

(1) the support plate is driven to rotate by the telescopic action of the first electric telescopic rod, the second electric telescopic rod, the hinge seat and the support plate, so that the aim of changing the inclination angle of the support plate and the horizontal plane is fulfilled, and the inclination angles of the laser emitter and the drill bit relative to the horizontal plane are changed due to the fact that the support plate, the laser emitter and the drill bit are mutually linked, so that the laser emitter and the drill bit are adaptive to the airplane skin with a curved surface structure;

(2) the transmission shaft is driven to rotate by the motor, the rotating rod is driven to rotate by the transmission shaft, the protruding rod is driven to do circular motion by the rotating rod, the transmission frame cannot do circular motion under the limiting action of the first sleeve and moves left and right along the central axis of the first sleeve, and the moving rod integrated with the transmission frame can drive the laser generator and the drill bit to move left and right, so that the purpose of drilling at different positions of the aircraft skin is achieved;

(3) after the drilling position is accurately positioned by laser emitted by a laser emitter, the rocker is held by a hand to rotate the rotating rod by 180 degrees, the stop rod rotates from one end of the arc-shaped sliding groove to the other end of the arc-shaped sliding groove, so that the drill bit replaces the position of the laser generator, the third electric telescopic rod drives the drill bit to move downwards along laser rays, and the rotating motor drives the drill bit to rotate, so that the operation of accurately drilling on the aircraft skin is completed;

(4) through the mutual cooperation of arc circular slot, through-hole, backstop pole, dwang, screw thread piece, second sleeve, realize that the dwang can only clockwise and 180 purposes of anticlockwise rotation for the accurate position of replacing laser emitter of drill bit, the dwang rotates simultaneously can fix after the both ends of arc circular slot, further realizes the drill bit to aircraft skin's stable drilling.

Drawings

FIG. 1 is a schematic view of a horizontal structure of a support plate according to the present invention;

FIG. 2 is a schematic structural view of the support plate of the present invention in an inclined state;

FIG. 3 is a schematic side view of the structure of FIG. 1 from A-A;

FIG. 4 is a schematic cross-sectional view of a second sleeve according to the present invention;

FIG. 5 is a schematic view of a fixing plate according to the present invention;

reference numerals: first electric telescopic handle 1, hinge seat 2, second electric telescopic handle 3, conveyer belt 4, backup pad 5, first supporting seat 6, transmission shaft 7, rotary rod 8, driving frame 9, nose bar 10, carriage release lever 11, first sleeve 12, second supporting seat 13, lower connecting rod 14, upper connecting rod 15, rocker 16, dwang 17, fixed plate 18, bearing 19, third electric telescopic handle 20, rotating electrical machines 21, drill bit 22, laser emitter 23, rotor plate 24, second sleeve 25, backstop board 26, thread block 27, swivel nut 28, backstop pole 29, go up the spacing board 30, lower limiting plate 31, arc spout 32, through-hole 33.

Detailed Description

The technical scheme of the invention is further described in detail with reference to the accompanying drawings 1-5.

Referring to the attached drawings 1-2, an intelligent aircraft skin hole-making production line comprises a first electric telescopic rod 1 and a second electric telescopic rod 3, the telescopic ends of the first electric telescopic rod 1 and the second electric telescopic rod 3 are respectively connected with a hinge seat 2 installed on the lower surface of a supporting plate 5 in a rotating mode, the bottom of one of the first electric telescopic rod 1 and the second electric telescopic rod 3 is connected with the hinge seat 2 in a rotating mode, when the first electric telescopic rod 1 and the second electric telescopic rod 3 stretch simultaneously, the effect of adjusting the height of the supporting plate 5 can be achieved, and when the first electric telescopic rod 1 stretches independently, the effect of adjusting the inclination angle of the supporting plate 5 relative to the horizontal plane can be achieved. First supporting seat 6 and second supporting seat 13 are installed respectively at 5 upper surface both ends of backup pad, 6 upper ends of first supporting seat are rotated and are connected with transmission shaft 7, transmission shaft 7 is rotatory by motor drive, and the one end fixedly connected with rotary rod 8 of motor is kept away from to transmission shaft 7, the one end that transmission shaft 7 was kept away from to rotary rod 8 is provided with nose bar 10, nose bar 10 sliding fit has driving frame 9, one side fixedly connected with carriage release lever 11 of first supporting seat 6 is kept away from to driving frame 9, the inward flange sliding connection of 11 outward flanges of carriage release lever and first sleeve 12, first sleeve 12 is installed on second supporting seat 13. After motor drive transmission shaft 7 is rotatory, transmission shaft 7 drives rotary rod 8 rotatory, rotary rod 8 drives protruding pole 10 and is the circular arc motion, under first sleeve 12 limiting displacement, circular arc motion can not be done to driving frame 9, remove about along the axis of first sleeve 12, and remove about the carriage release lever 11 integrative with driving frame 9 can drive laser generator 23 and drill bit 22, thereby realize the purpose in aircraft skin different position drilling, the motor is stopped after simultaneously, protruding pole 10 blocks driving frame 9, carriage release lever 11 will fix, realize drill bit 22 is to aircraft skin's stable drilling.

Referring to fig. 3 to 5, in this embodiment, a fixed plate 18 is fixedly connected to one end of the moving rod 11, which is far away from the transmission frame 9, the middle of the fixed plate 18 is rotatably connected to a rotating rod 17 through a bearing, a rotating plate 24 is fixedly connected to the bottom end of the rotating rod 17, a third electric telescopic rod 20 and a laser emitter 23 are symmetrically installed on the lower surface of the rotating plate 24, a rotating motor 21 is fixedly connected to a telescopic end of the third electric telescopic rod 20, an output end of the rotating motor 21 is fixedly connected to a drill bit 22 through a clamp, a distance between the drill bit 22 and a central axis of the rotating rod 17 is equal to a distance between a laser generator 23 and the central axis of the rotating rod 17, after a drilling position on an aircraft skin is accurately positioned by laser emitted from the laser emitter 23, the rotating rod 17 is rotated by 180 degrees, the drill bit 22 can be made to replace the position of the laser generator 23 for the purpose of accurately drilling the aircraft skin. Below the turning plate 24, a conveyor belt 4 is arranged, on which conveyor belt 4 an aircraft skin to be drilled is placed, which aircraft skin can be moved with the conveyor belt 4 below the drill bit 22.

Referring to fig. 3, in this embodiment, a bearing 19 is disposed below the fixed plate 18, two ends of an outer ring of the bearing 19 are fixedly connected to the fixed plate 18 through an upper connecting rod 15, two ends of an inner ring of the bearing 19 are fixedly connected to the rotating plate 24 through a lower connecting rod 14, and the bearing 19 plays a role of bearing the weight of the rotating plate 24, and at the same time, does not limit the rotating rod 17 from driving the rotating plate 24 to rotate.

Continuing to refer to fig. 3-5, in this embodiment, arc chute 32 has been seted up to fixed plate 18 upper surface, arc chute 32 is the half slot, dwang 17 upper end one side is through straight-bar fixedly connected with second sleeve 25, be provided with backstop pole 29 in the second sleeve 25, backstop pole 29 and arc chute 32 sliding fit through setting up the half slot for dwang 17 can only clockwise and anticlockwise rotation 180.

Referring to fig. 4 to 5, in this embodiment, through holes 33 are formed in the bottoms of the two ends of the arc chute 32, the through holes 33 are adapted to the bottoms of the stop rods 29, the threaded block 27 is installed at the upper end of the second sleeve 25, the threaded rod is installed at the upper end of the stop rod 29, the smooth rod is installed at the lower end of the stop rod 29, the outer edge of the upper end of the stop rod 29 is in threaded connection with the inner edge of the threaded block 27, the stop plate 26 is installed at the outer edge of the lower end of the stop rod 29, the upper limit plate 30 and the lower limit plate 31 are installed inside the lower end of the second sleeve 25 at intervals, the stop plate 26 moves between the upper limit plate 30 and the lower limit plate 31, when the lower surface of the stop plate 26 contacts with the lower limit plate 31, the bottom end of the stop rod 29 is located in the through hole 33, the; when the upper surface of the stop plate 26 contacts with the lower surface of the upper limit plate 30, the bottom end of the stop rod 29 is positioned in the arc-shaped sliding groove 32, and the stop rod 29 does not block the rotation of the rotating rod 17, so that the positions of the drill 22 and the laser generator 23 can be interchanged.

In the present embodiment, the upper limiting plate 30, the lower limiting plate 31 and the stopper plate 26 are all annular plates.

Referring to fig. 3 to 4, in the present embodiment, a rocker 16 is fixedly connected to an upper end of the rotating rod 17, and the rotating rod 17 is conveniently rotated by holding the rocker 16; a rotating nut 28 is fixedly connected to the upper end of the stop rod 29, and the stop rod 29 is conveniently rotated by the rotating nut 28.

The working principle of the invention is that the aircraft skin to be drilled is placed on the conveyor belt 4, the aircraft skin moves along with the conveyor belt 4, and after the aircraft skin moves below the laser emitter 23, the first electric telescopic rod 1 and the second electric telescopic rod 3 are mutually matched, so that the effect of adjusting the inclination angle of the supporting plate 5 can be achieved; because the supporting plate 5, the laser emitter 23 and the drill bit 22 are mutually linked, the inclination angles of the laser emitter 23 and the drill bit 22 relative to the horizontal plane are also adjusted, so that the laser emitter 23 and the drill bit 22 can better adapt to the curved surface shape of the aircraft skin; meanwhile, the motor drives the transmission shaft 7 to rotate, the transmission shaft 7 drives the rotary rod 8 to rotate, and the rotary rod 8 drives the moving rod 11 to move left and right, namely, the laser generator 23 and the drill bit 22 are driven to move left and right, so that the aim of drilling holes in different positions of the aircraft skin is fulfilled; after the laser that laser emitter 23 sent is to the drilling position location, swivel nut 28 is rotated, make backstop 29 bottom be located arc spout 32, remove backstop 29 to the pivoted restriction of bull stick 17, handheld rocker 16 will dwang 17 rotatory 180, namely rotate the other end with backstop 29 from the one end of arc spout, make drill bit 22 replace the position of laser generator 23, then swivel nut 28 rotates again, make backstop 29 bottom be located through-hole 33, dwang 17 will be fixed, realize drill bit 22 and stabilize the drilling, then start third electric telescopic handle 20 and rotating electrical machines 21, third electric telescopic handle 20 drives drill bit 22 and moves down along laser ray, rotating electrical machines 21 drives drill bit 22 rotatory, accomplish the operation of accurate drilling on the aircraft skin.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an intelligent aircraft skin system hole production line, includes first electric telescopic handle (1) and second electric telescopic handle (3), its characterized in that: the telescopic ends of the first electric telescopic rod (1) and the second electric telescopic rod (3) are rotatably connected with the hinge seat (2) arranged on the lower surface of the support plate (5), the bottom of one of the first electric telescopic rod (1) and the second electric telescopic rod (3) is rotatably connected with the hinge seat (2), the two ends of the upper surface of the support plate (5) are respectively provided with a first support seat (6) and a second support seat (13), the upper end of the first support seat (6) is rotatably connected with a transmission shaft (7), the transmission shaft (7) is driven by a motor to rotate, one end of the transmission shaft (7) far away from the motor is fixedly connected with a rotary rod (8), one end of the rotary rod (8) far away from the transmission shaft (7) is provided with a convex rod (10), the convex rod (10) is slidably matched with a transmission frame (9), one side of the transmission frame (9) far away from the first support seat (6) is fixedly connected with, the inner edge sliding connection of the outer edge of the moving rod (11) and the first sleeve (12), the first sleeve (12) is installed on the second supporting seat (13), one end fixedly connected with fixing plate (18) of the transmission frame (9) is far away from the moving rod (11), the middle part of the fixing plate (18) is rotatably connected with a rotating rod (17) through a bearing, the bottom end of the rotating rod (17) is fixedly connected with a rotating plate (24), a third electric telescopic rod (20) and a laser emitter (23) are symmetrically installed on the lower surface of the rotating plate (24), a rotating motor (21) is fixedly connected with the telescopic end of the third electric telescopic rod (20), a drill bit (22) is fixedly connected with the output end of the rotating motor (21) through a clamp, and the distance between the central axes of the drill bit (22) and the rotating rod (17) is equal to the distance between the central axes of the laser generator (, a conveyor belt (4) is arranged below the rotating plate (24).

2. The intelligent aircraft skin hole-making production line of claim 1, wherein: the bearing (19) is arranged below the fixed plate (18), two ends of an outer ring of the bearing (19) are fixedly connected with the fixed plate (18) through the upper connecting rod (15), and two ends of an inner ring of the bearing (19) are fixedly connected with the rotating plate (24) through the lower connecting rod (14).

3. The intelligent aircraft skin hole-making production line of claim 1, wherein: arc spout (32) have been seted up to fixed plate (18) upper surface, arc spout (32) are the half slot, dwang (17) upper end one side is through straight-bar fixedly connected with second sleeve (25), be provided with backstop pole (29) in second sleeve (25), backstop pole (29) and arc spout (32) sliding fit.

4. The intelligent aircraft skin hole-making production line of claim 3, wherein: through-hole (33) has been seted up to arc spout (32) both ends bottom, through-hole (33) and backstop pole (29) bottom looks adaptation, second sleeve (25) upper end internally mounted has screw block (27), backstop pole (29) upper end is the threaded rod, backstop pole (29) lower extreme is smooth rod, backstop pole (29) upper end outward flange and screw block (27) inward flange threaded connection, backstop board (26) are installed to backstop pole (29) lower extreme outward flange, second sleeve (25) lower extreme internal interval is installed and is gone up spacing board (30) and lower spacing board (31), backstop board (26) move between last limiting board (30) and lower spacing board (31), contact with lower spacing board (31) when backstop board (26) lower surface, backstop pole (29) bottom is arranged in through-hole (33), contact with upper spacing board (30) lower surface when backstop board (26) upper surface, the bottom end of the stop rod (29) is positioned in the arc-shaped sliding chute (32).

5. The intelligent aircraft skin hole-making production line of claim 4, wherein: the upper limiting plate (30), the lower limiting plate (31) and the stop plate (26) are all annular plates.

6. The intelligent aircraft skin hole-making production line of claim 1, wherein: the upper end of the rotating rod (17) is fixedly connected with a rocker (16).

7. The intelligent aircraft skin hole-making production line of claim 3, wherein: the upper end of the stop rod (29) is fixedly connected with a rotating nut (28).