A turnover mechanism for a rotary housing workpiece

Abstract

The application belongs to the field of industrial auxiliary equipment, and particularly relates to a turnover mechanism for a rotary shell workpiece, which comprises a translation unit, a turnover unit, a rotary positioner turntable and a rotary shell workpiece; the rotary shell workpiece is connected with the translation unit, the turnover unit is connected between the rotary positioner turntable and the translation unit; the rotary positioner turntable is a disc structure and is arranged on the ground; the translation unit and the turnover unit capable of cooperating with each other are arranged, the rotary shell workpiece is arranged on the translation unit, the position and the posture of the rotary shell workpiece can be stably adjusted through the translation unit and the turnover unit, the problems that the existing rotary shell workpiece positioner mechanism does not have the functions of adjusting the posture of the rotary shell workpiece and enabling the rotary shell workpiece to move on the positioner during use are solved, and the problem that the use of the user may be inconvenient is solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of industrial auxiliary equipment, and particularly relates to a turnover mechanism for a rotary shell workpiece. BACKGROUND

[0002] When a rotary shell workpiece, such as an aircraft radar cover, is subjected to automatic spraying repair, due to the large volume and mass and insufficient stability of the rotary shell workpiece, a robot must be involved in spraying operation with the participation of a positioner to perform vertical rotary spraying. Considering that the height of the rotary shell workpiece is too high, only horizontal transfer and vertical spraying can be selected. Considering that the workpiece cannot be manually displaced after turnover, the rotary shell workpiece needs to be quickly and stably docked with the positioner after turnover.

[0003] An existing shell turnover device is composed of a base, a lead screw driving unit, a lifting unit, a rotating unit and a control system. A lead screw driving motor drives the lead screw to rotate forward and backward, drives the lead screw mounting seat to slide on the base, and then drives two vertical support seats to move relatively or reversely on the base along the X-axis direction, so as to realize axial clamping and loosening of a special-shaped shell. A lifting driving motor drives the lead screw passing through the slider to slide up and down along the vertical slide rail on the vertical support seat, so as to adjust the height of the slider and the rotating unit on the vertical support seat. A rotating driving motor drives the driving gear to rotate, and at the same time drives the driven gear meshing with the driving gear to rotate, so as to transmit driving force to the three-jaw support assembly, and realize support and rotation of the shell.

[0004] However, the existing shell turnover device has a complicated structure, high maintenance cost in the later period, and the structure and function thereof cannot realize quick and stable turnover of the rotary shell workpiece, and cannot realize quick and stable docking with the positioner after turnover.

[0005] Therefore, how to simply and efficiently realize turnover of the rotary shell workpiece is a problem to be solved. SUMMARY

[0006] The present application aims to provide a turnover mechanism for a rotary shell workpiece to solve the problems of the existing rotary shell turnover device, such as complicated structure and high maintenance cost in the later period.

[0007] The technical scheme of the present application is a turnover mechanism for a rotary shell workpiece, which comprises a translation unit, a turnover unit and a rotary positioner turntable; the rotary shell workpiece is connected with the translation unit, the turnover unit is connected between the rotary positioner turntable and the translation unit, and the rotary positioner turntable is a disc structure and is arranged on the ground.

[0008] The translation unit comprises a flange plate, an adapter support, a sliding block, an adjusting lead screw, a lead screw fixing seat and a chain wheel mechanism reducer; the outer wall of the flange plate is uniformly distributed with a plurality of groups of hook bolts in the circumferential direction, and the rotary shell workpiece is connected with the flange plate through the hook bolts; the adapter support is horizontally arranged and arranged between the flange plate and the sliding block, and the adapter support is fixedly connected with the flange plate and the sliding block; the lower side of the sliding block is slidably connected with a sliding rail, and the sliding rail is connected with the turnover unit; the lead screw fixing seat has two groups and is connected with the turnover unit, the two ends of the adjusting lead screw are rotatably connected with the two groups of lead screw fixing seats, the middle part of the adjusting lead screw is threadedly connected with a lead screw nut support seat, and the lead screw nut support seat is fixedly connected with the adapter support; the chain wheel mechanism reducer is arranged on one side of the turnover unit, the different side walls of the chain wheel mechanism reducer are respectively provided with a reducer input shaft and a chain wheel box; one end of the chain wheel box away from the chain wheel mechanism reducer is connected with the adjusting lead screw; and the reducer input shaft is connected with a first power member.

[0009] Preferably, the turnover unit comprises a movable flap, an auxiliary support rod, a rotary support rod, a movable push rod and a push rod seat; the movable flap is of a rectangular structure, and the top of the movable flap is connected with the lead screw fixing seat and the sliding rail; the auxiliary support rod is arranged on the rotary positioner turntable, the rotary support rod has two groups and is arranged on one side of the movable flap, a rotary support base is arranged between the rotary support rod and the movable flap, the rotary support rod and the movable flap are detachably connected through a quick release pin in the rotary support base, and the quick release pin is hinged in the rotary support base; the movable flap can be flipped up and down along the two groups of rotary support rods; the movable push rod and the push rod seat are arranged on the side of the movable flap away from the rotary support rod, the movable push rod is arranged obliquely, the lower end of the movable push rod is hinged to the rotary positioner turntable, the upper end of the movable push rod is hinged to the push rod seat, and the push rod seat is fixedly connected to the side wall of the movable flap; and the movable push rod can be extended and retracted to drive the movable flap to flip.

[0010] Preferably, the auxiliary support rod has two groups and is diagonally arranged along the two sides of the movable flap, the auxiliary support rod is horizontally arranged in a normal state, the top of the auxiliary support rod is provided with a quick clamp, and the end of the auxiliary support rod is provided with an auxiliary support base connected with the rotary positioner turntable; the auxiliary support base can drive the auxiliary support rod to flip to a vertical or horizontal state and be fixed; and the quick clamp can clamp and support the flipped movable flap when the auxiliary support rod is in the vertical state.

[0011] Preferably, the side wall of the movable push rod is provided with a push rod input shaft, and the push rod input shaft is connected with a second power member.

[0012] Preferably, the first power member and the second power member are both pneumatic wrenches.

[0013] Preferably, the side wall of the movable flap is provided with a scale.

[0014] Preferably, the auxiliary support base comprises a seat body, a hinged rod and an adjusting bolt; the seat body is fixed on the rotary positioner turntable, the hinged rod is hingedly connected to the seat body and the hinged rod is fixedly connected with the auxiliary support rod, and the adjusting bolt is coaxially threadedly connected to the hinged rod.

[0015] Preferably, a right-angle seat is arranged on the side wall of the movable flap, and the right-angle seat is detachably connected with a frame on a tool car device of the rotary shell workpiece.

[0016] The turnover mechanism for the rotary shell workpiece provided in the application can stably adjust the position and posture of the rotary shell workpiece through the translation unit and the turnover unit which can cooperate with each other, and solves the problems that the existing rotary shell workpiece positioner does not have the function of adjusting the posture of the rotary shell workpiece and moving the rotary shell workpiece on the positioner, and the use of the user is inconvenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions provided in the application, the drawings will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the application.

[0018] Figure 1 is a schematic diagram of the overall structure of the application;

[0019] Figure 2 is a schematic diagram of the sliding block and sliding rail connection structure of the application;

[0020] Figure 3 is a schematic diagram of the turnover unit of the application;

[0021] Figure 4 is a schematic diagram of the left side cross section of the rotary shell workpiece.

[0022] 1, hook bolt; 2, flange plate; 3, adapter support; 4, right-angle seat; 5, sliding block; 6, sliding rail; 7, adjusting screw; 8, screw fixed seat; 9, movable flap; 10, quick fixture; 11, rotary support rod; 12, auxiliary support rod; 13, movable push rod; 14, push rod input shaft; 15, rotary support base; 16, auxiliary support base; 17, rotary positioner turntable; 18, screw nut support seat; 19, push rod seat; 20, reducer input shaft; 21, chain wheel mechanism reducer; 22, chain wheel box; 23, rotary shell workpiece. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0024] A turnover mechanism for a rotary shell workpiece, comprising a translation unit, a turnover unit and a rotary positioner turntable 17. Figures 1-4 The rotary shell workpiece 23 is connected to the translation unit, the turnover unit is connected between the rotary positioner turntable 17 and the translation unit, and the rotary positioner turntable 17 is a disc structure and is arranged on the ground.

[0025] The translation unit comprises a flange plate 2, an adapter bracket 3, a sliding block 5, an adjusting lead screw 7, a lead screw fixing seat 8 and a chain wheel mechanism reducer 21. The outer wall of the flange plate 2 is uniformly distributed with a plurality of groups of hook bolts 1 in the circumferential direction, and the rotary shell workpiece 23 is connected to the flange plate 2 through the hook bolts 1. The adapter bracket 3 is horizontally arranged and arranged between the flange plate 2 and the sliding block 5, and the adapter bracket 3 is fixedly connected with the flange plate 2 and the sliding block 5; the lower portion of the sliding block 5 is slidingly fitted with a sliding rail 6, and the sliding rail 6 is connected to the turnover unit; the lead screw fixing seat 8 has two groups and is connected to the turnover unit, the two ends of the adjusting lead screw 7 are rotatably connected to the two groups of lead screw fixing seats 8, the middle portion of the adjusting lead screw 7 is threadedly connected with a lead screw nut support seat 18, and the lead screw nut support seat 18 is fixedly connected with the adapter bracket 3. The chain wheel mechanism reducer 21 is arranged on one side of the turnover unit, and the chain wheel mechanism reducer 21 is provided with a reducer input shaft 20 and a chain wheel box 22 on different side walls. The reducer input shaft 20 is connected to the first power element, the chain wheel box 22 is a general element in the art, and the inside is provided with a chain and sprocket assembly, which will not be described in detail; the end of the chain wheel box 22 away from the chain wheel mechanism reducer 21 is connected to the adjusting lead screw 7; and the reducer input shaft 20 is connected to the first power element.

[0026] When it is necessary to move the rotary shell workpiece 23 horizontally, power is input through the first power element, the adjusting lead screw 7 is driven to rotate through the reducer input shaft 20, the chain wheel mechanism reducer 21 and the chain wheel box 22, the lead screw fixing seat 8 and the flange plate 2 are moved by the rotation of the adjusting lead screw 7, and thus the movement of the rotary shell workpiece 23 is completed. During the movement, the sliding block 5 supports the rotary shell workpiece 23 to prevent deflection.

[0027] Preferably, the turnover unit comprises a movable flap 9, an auxiliary support rod 12, a rotating support rod 11, a movable push rod 13 and a push rod base 19. The movable flap 9 is rectangular in structure, and the top of the movable flap 9 is connected with the screw rod fixing base 8 and the slide rail 6; the auxiliary support rod 12 is arranged on the rotating positioner turntable 17, and there are two groups of auxiliary support rods 12 arranged diagonally along the two sides of the movable flap 9. The auxiliary support rods 12 are horizontally arranged in normal state, and the top of the auxiliary support rods 12 is provided with a quick clamp 10, and the end is provided with an auxiliary support base 16 connected with the rotating positioner turntable 17; there are two groups of rotating support rods 11 arranged on one side of the movable flap 9, and a rotating support base 15 is arranged between the rotating support rods 11 and the movable flap 9. The rotating support rods 11 and the movable flap 9 are detachably connected through quick release pins in the rotating support base 15, and the quick release pins are hinged in the rotating support base 15. The movable flap 9 can be turned up and down along the two groups of rotating support rods 11.

[0028] The movable push rod 13 and the push rod base 19 are arranged on the side of the movable flap 9 away from the rotating support rod 11. The movable push rod 13 is arranged obliquely, and the lower end of the movable push rod 13 is hinged with the rotating positioner turntable 17, and the upper end is hinged with the push rod base 19. The push rod base 19 is fixedly connected with the side wall of the movable flap 9. The movable push rod 13 can be extended and retracted to drive the movable flap 9 to turn over; the auxiliary support base 16 can drive the auxiliary support rod 12 to turn over to the vertical or horizontal state and be fixed; the quick clamp 10 can clamp and support the turned over movable flap 9 when the auxiliary support rod 12 is in the vertical state. The movable push rod 13 is internally provided with a transmission structure such as a ball screw, which is a finished product. After being powered, the movable push rod 13 can be extended and retracted. The push rod input shaft 14 is arranged on the side wall of the movable push rod 13, and the second power member is connected with the push rod input shaft 14. The second power member can drive the push rod input shaft 14 to extend and retract, thereby driving the movable flap 9 to turn over.

[0029] The quick clamp 10 is a finished product.

[0030] Preferably, a scale is arranged on the movable flap 9. By controlling the slide block 5 to move to a specified scale position, the rotary shell workpiece 23 can be controlled to reach the same rotation axis position as the rotating positioner turntable 17.

[0031] Preferably, the first power member and the second power member are both pneumatic wrenches.

[0032] Preferably, the auxiliary support base 16 comprises a seat body, a hinged rod and an adjusting bolt. The seat body is fixed on the rotary positioner turntable 17, the hinged rod is hingedly connected to the seat body and fixedly connected with the auxiliary support rod 12, and the adjusting bolt is coaxially screwed on the hinged rod; by loosening the adjusting bolt, the auxiliary support rod 12 can be turned from horizontal to vertical state, and then the quick clamp 10 on the side wall of the auxiliary support rod 12 can clamp and support the movable flap 9; after the spraying is completed, the auxiliary support rod 12 is turned to the horizontal state again through the adjusting bolt, and the next spraying is waited.

[0033] Preferably, a right-angle seat 4 is arranged on the side wall of the movable flap 9, and the right-angle seat 4 is detachably connected with the frame of the rotary shell workpiece 23 tooling trolley device, so that the movable flap 9 can be fixed at a specified angle. Specifically, the right-angle seat 4 is a double-ear structure, and the right-angle seat 4 is connected with the frame of the rotary shell workpiece 23 tooling trolley device through a quick-release pin.

[0034] The overall working process is as follows:

[0035] The rotary shell workpiece 23 tooling trolley device is moved to a specified position, the push rod seat 19 is fixed on the movable flap 9, the quick-release pin connecting the rotary support rod 11 and the rotary support base 15 is inserted, the quick-release pin connecting the frame of the rotary shell workpiece 23 tooling trolley device and the right-angle seat 4 is removed, then the frame part of the rotary shell workpiece 23 tooling trolley device is withdrawn, the user drives the movable push rod 13 by driving the push rod input shaft 14 of the movable push rod 13, thereby driving the movable flap 9 to turn over, and when one side of the movable flap 9 turns over to abut against the rotary positioner turntable 17, the rotary shell workpiece 23 is turned over from the horizontal position to the vertical position.

[0036] After the position is fixed, the first power element drives the reducer input shaft 20 first, the chain wheel mechanism in the chain wheel box 22 is driven by the chain wheel mechanism reducer 21, the adjusting lead screw 7 is driven to rotate, thereby driving the sliding block 5 to move on the sliding rail 6, and finally the position change of the rotary shell workpiece 23 can be realized, thereby safely determining the same rotary axis position of the rotary shell workpiece 23 and the rotary positioner turntable 17, and ensuring the accuracy in the automatic spraying process; then the user places the auxiliary support rod 12 in the vertical state, opens the quick clamp 10, and clamps and supports the movable flap 9.

[0037] After the automatic spraying work is finished, the frame part of the rotary shell workpiece 23 fixture vehicle device is pushed back, the quick fixture 10 is closed, the auxiliary support rod 12 is placed to the horizontal state, the push rod input shaft 14 of the movable push rod 13 is driven, so that the rotary shell workpiece 23 can be turned from the vertical position to the horizontal position, the right-angle seat 4 is installed and fastened with the frame part by the quick-release pin; finally, the connection between the push rod seat 19 and the push rod is removed, the connection between the rotary support rod 11 and the rotary support base 15 is removed, and the turning process is finished.

[0038] In summary, the present application sets up the translation unit and the turnover unit which can cooperate with each other, sets up the rotary shell workpiece on the translation unit, and can stably adjust the position and posture of the rotary shell workpiece through the translation unit and the turnover unit, solves the problems that the existing rotary shell workpiece position changing mechanism does not have the function of adjusting the posture of the rotary shell workpiece and moving the rotary shell workpiece on the position changing machine, and the use of the user may be inconvenient.

[0039] Finally, it should be noted that: the present application discloses the embodiment in the drawing, only relates to the structure involved in the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0040] Finally: the above only for the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A roll-over mechanism for use in turning a shell workpiece, characterised in that: The rotating shell workpiece (23) is connected with the translation unit, the turnover unit is connected between the rotating positioner turntable (17) and the translation unit, and the rotating positioner turntable (17) is a disc structure and is arranged on the ground. The translation unit comprises a flange plate (2), an adapter support (3), a sliding block (5), an adjusting lead screw (7), a lead screw fixing seat (8) and a chain wheel mechanism reducer (21); a plurality of groups of hook bolts (1) are uniformly distributed on the outer wall of the flange plate (2) in the circumferential direction, and the rotating shell workpiece (23) is connected with the flange plate (2) through the hook bolts (1); the adapter support (3) is horizontally arranged between the flange plate (2) and the sliding block (5), and the adapter support (3) is fixedly connected with the flange plate (2) and the sliding block (5); the lower portion of the sliding block (5) is slidably connected with a sliding rail (6), and the sliding rail (6) is connected with the turnover unit; the two groups of lead screw fixing seats (8) are connected with the turnover unit, the two ends of the adjusting lead screw (7) are rotatably connected with the two groups of lead screw fixing seats (8), the middle portion of the adjusting lead screw (7) is threadedly connected with a lead screw nut support seat (18), the lead screw nut support seat (18) is fixedly connected with the adapter support (3), and the chain wheel mechanism reducer (21) is arranged on one side of the turnover unit; the chain wheel mechanism reducer (21) is provided with a reducer input shaft (20) and a chain wheel box (22) on different side walls; one end of the chain wheel box (22) away from the chain wheel mechanism reducer (21) is connected with the adjusting lead screw (7); and the reducer input shaft (20) is connected with a first power member. The turnover unit comprises a movable flap (9), an auxiliary support rod (12), a rotating support rod (11), a movable push rod (13) and a push rod seat (19); the movable flap (9) is in a rectangular structure, the top of the movable flap (9) is connected with the lead screw fixing seat (8) and the sliding rail (6); the auxiliary support rod (12) is arranged on the rotating positioner turntable (17), the two groups of rotating support rods (11) are arranged on one side of the movable flap (9), the rotating support rods (11) and the movable flap (9) are connected through a rotating support base (15), the movable flap (9) can be turned up and down along the two groups of rotating support rods (11), the movable push rod (13) and the push rod seat (19) are arranged on the side of the movable flap (9) away from the rotating support rods (11), the movable push rod (13) is arranged in an inclined manner, the lower end of the movable push rod (13) is hinged to the rotating positioner turntable (17), the upper end of the movable push rod (13) is hinged to the push rod seat (19), the push rod seat (19) is fixedly connected to the side wall of the movable flap (9), and the movable push rod (13) can be telescopically moved to drive the movable flap (9) to turn over.

2. The roll-over mechanism for a rotary shell workpiece of claim 1 wherein: The auxiliary support rods (12) are provided in two groups diagonally along the two sides of the movable flap (9), and are horizontally arranged in normal state, and the top of the auxiliary support rod (12) is provided with a quick clamp (10), and the end is provided with an auxiliary support base (16) connected with the rotating positioner turntable (17); the auxiliary support base (16) can drive the auxiliary support rod (12) to be turned to a vertical or horizontal state and be fixed; the quick clamp (10) can clamp and support the turned movable flap (9) when the auxiliary support rod (12) is in a vertical state.

3. The roll-over mechanism for a rotary shell workpiece of claim 1 wherein: A push rod input shaft (14) is arranged on the side wall of the movable push rod (13), and the push rod input shaft (14) is connected with the second power member.

4. The roll-over mechanism for a rotary housing workpiece of claim 3, wherein: The first power member and the second power member are both pneumatic wrenches.

5. The roll-over mechanism for a rotary housing workpiece of claim 2 wherein: A scale is arranged on the side wall of the movable flap (9).

6. The roll-over mechanism for a rotary housing workpiece of claim 2, wherein: The auxiliary support base (16) comprises a seat body, a hinged rod and an adjusting bolt; the seat body is fixed on the rotating positioner turntable (17), the hinged rod is hingedly connected to the seat body and the hinged rod is fixedly connected with the auxiliary support rod (12), and the adjusting bolt is coaxially and threadedly connected to the hinged rod.

7. The roll-over mechanism for a rotary housing workpiece of claim 1 wherein: A right-angle seat (4) is arranged on the side wall of the movable flap (9), and the right-angle seat (4) is detachably connected with a frame of a tool vehicle device of the rotary shell workpiece (23). The auxiliary support rods (12) are provided in two groups diagonally along the two sides of the movable flap (9), and are horizontally arranged in normal state, and the top of the auxiliary support rod (12) is provided with a quick clamp (10), and the end is provided with an auxiliary support base (16) connected with the rotating positioner turntable (17); the auxiliary support base (16) can drive the auxiliary support rod (12) to be turned to a vertical or horizontal state and be fixed; the quick clamp (10) can clamp and support the turned movable flap (9) when the auxiliary support rod (12) is in a vertical state.

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