A kind of annular parts spraying equipment for aircraft engines

Abstract

The present invention discloses a kind of annular parts spraying equipment for aircraft engines, which relates to the field of parts spraying, including a support plate, the support plate is connected with a spray box of cylindrical structure, one side bottom surface opening of the spray box is provided and sealed with a sealing plate, the sealing plate is connected with a driving guide assembly that seals the sealing plate with the spray box, the driving guide assembly includes a hydraulic cylinder, the output of the hydraulic cylinder is connected to the sealing plate, the support plate is fixedly connected with a plurality of fixed cylinders, each fixed cylinder is sealed and slidably connected with a connecting rod, and each connecting rod is connected to the sealing plate. The advantage of the present invention is that, through the spray assembly provided, the guide ring can be sprayed on both sides, so that the problem of dead angle and affecting the spraying efficiency can be avoided during single-sided spraying, and at the same time, when the guide ring is moved and removed from the spray box, the paint in the storage box will be stirred, so that uniform stirring can be achieved, and the problem of paint condensation inside the storage box during long-term spraying can be avoided.

Description

Technical Field

[0001] The invention relates to the field of annular component spraying, and in particular to annular component spraying equipment for aircraft engines. Background Art

[0002] The guide ring is an annular part of an aircraft engine. Its purpose is to change the direction of the gas generated by the combustion of fuel and output it to the blades. Therefore, the guide ring needs to be resistant to high temperature and high pressure, and a strengthening layer needs to be sprayed on its surface.

[0003] Due to the structure of the guide ring Fig.12 As shown, the outer ring portion is a plurality of guide plates arranged in an annular manner, each of which is in an inclined state. Since the guide plates are in an inclined state, the single-sided spraying used in the prior art will easily result in a dead angle during spraying, so that the spraying needs to be adjusted continuously, which has a low efficiency. In addition, during long-term spraying, the paint is prone to unevenness. Based on this, the present invention designs an annular parts spraying equipment for aircraft engines. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a ring-shaped part spraying equipment for an aircraft engine.

[0005] A spraying device for annular parts of an aircraft engine, comprising:

[0006] Bracket plate;

[0007] A spray box with a cylindrical structure, the spray box is fixed on a bracket plate, a sealing plate is provided and sealedly connected to an opening on the bottom surface of one side of the spray box, the sealing plate is connected to a driving guide assembly that seals the sealing plate with the spray box, the sealing plate is connected to a mounting platform for mounting a guide ring, the opening of the spray box is matched with the outer diameter of the guide ring, an inner clamping part for fixing the guide ring is provided at the end of the mounting platform, the inner clamping part includes a truncated cone part rotatably connected to the mounting platform, an annular expandable expansion ring is connected to the outer side of the truncated cone part, and the expansion ring is matched with the inner wall of the guide ring;

[0008] A mobile grabbing assembly, wherein the mobile grabbing assembly is connected to the bracket plate, and the mobile grabbing assembly locates and grabs the guide ring and then moves to the sealing plate;

[0009] Storage tanks for storing paint;

[0010] The spray box is connected with a spray assembly for spraying both sides of the guide ring simultaneously.

[0011] In the above-mentioned annular parts spraying equipment for aircraft engines, the driving guide assembly includes a hydraulic cylinder, the output end of the hydraulic cylinder passes through the bracket plate and is fixedly connected to the sealing plate, the bracket plate is fixedly connected with a plurality of fixed cylinders, each of the fixed cylinders is sealed and slidably connected with a connecting rod, and each of the connecting rods passes through the bracket plate and is connected to the outside of the sealing plate.

[0012] In the above-mentioned annular parts spraying equipment for aircraft engines, the movable grasping assembly includes a linear module 1 arranged on a bracket plate, the linear module 1 includes a slide rail and a slider connected to the slide rail, the bottom of the slider is fixedly connected to a support arm, the other end of the support arm is connected to a mounting plate, the mounting plate is connected to a bracket table, and the four sides of the bracket table are respectively connected to linear modules 2, each of the linear modules 2 includes a track, a moving block and a control motor, each of the moving blocks is provided with a movable groove, each of the movable grooves is slidably connected to a claw, and each of the claws is connected to the inner wall of the movable groove through an elastic component.

[0013] In the above-mentioned annular parts spraying equipment for aircraft engines, the spraying assembly includes a spraying station 1 connected to a spray box, a plurality of spray heads 1 are arranged in a ring shape on the end face of the spraying station 1, the spraying station 1 is connected to a positioning shaft, the positioning shaft passes through the inner wall of the spraying station 1 and is connected to a drive motor, the drive motor is mounted on a bracket plate, the spraying station 1 is located above the positioning shaft and is connected to a feed pipe 1 and is connected to a storage box fixed on the top of the bracket plate through the feed pipe 1, the other end of the positioning shaft is provided with a locking assembly detachably connected to the truncated cone part, a spraying station 2 with an annular structure is connected in the sealing plate, a plurality of spray heads 2 are arranged in a ring shape on the spraying station 2, the spray heads 2 are arranged at intervals from the positioned guide ring, and the plurality of spray heads 1 and 2 are positioned opposite each other.

[0014] In the above-mentioned annular parts spraying equipment for aircraft engines, a material delivery channel is opened in the connecting rod, and the material delivery channel is connected to the interior of the spraying station 2 after extending to the sealing plate. Each of the fixed cylinders is connected to a material delivery pipe 2, and multiple material delivery pipes 2 are connected to a material storage box, and a stirring component for evenly mixing the paint is connected to the material storage box.

[0015] In the above-mentioned annular parts spraying equipment for aircraft engines, the stirring assembly includes two groups of stirring blades, each group of stirring blades is rotatably connected to the side wall of the storage box through a connecting shaft, and the connecting shaft is connected to a rotating component that drives the connecting shaft to rotate.

[0016] In the above-mentioned annular parts spraying equipment for aircraft engines, the rotating component includes two synchronous wheels, the two synchronous wheels are respectively connected to the connecting shafts, the two synchronous wheels are commonly connected to a synchronous belt, an opening is provided at the bottom of the storage box, the opening is connected to an inner recessed portion to seal the opening, the synchronous wheels and the synchronous belt are both arranged on the inner side of the inner recessed portion, the bottom of the synchronous belt is connected to a fixed block, the fixed block is fixedly connected to the slider, and the two connecting shafts pass through the side walls of the inner recessed portion and are connected to the synchronous wheels.

[0017] In the above-mentioned annular parts spraying equipment for aircraft engines, a hot drying pipe is connected to the upper and lower sides of the material storage box respectively. The hot drying pipe located on the lower side inputs dry hot air into the material storage box to dry the guide ring after spraying, and discharges it from the hot drying pipe on the upper side. Solenoid valves are provided at the connection between the two hot drying pipes and the material storage box.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1. Through the spraying assembly, the guide ring can be sprayed on both sides in a rotating manner, which can avoid the problem of dead angles and affecting the spraying efficiency when spraying on one side.

[0020] 2. By setting up a mobile grabbing component, the annular guide ring can be easily moved and positioned. After spraying, it can also be easily and quickly unloaded to improve processing efficiency.

[0021] 3. The mobile grabbing assembly is connected with a stirring assembly, which will stir the paint in the storage box when the guide ring is moved to the spray box for processing. This can achieve uniform stirring and avoid the problem of paint condensation inside the storage box during long-term spraying.

[0022] 4. The present invention is provided with a hot drying tube, so that after the spraying process is completed, the paint can be dried quickly by circulating the hot drying gas, thereby improving the processing efficiency and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The present invention is a schematic structural diagram of an annular parts spraying device for an aero-engine.

[0024] Figure 2 for Figure 1 Enlarged schematic diagram of part A.

[0025] Figure 3 This is a structural schematic diagram of a ring-shaped part spraying equipment for aircraft engines proposed by the present invention from a rear side perspective.

[0026] Figure 4The present invention is a schematic structural diagram of a driving guide assembly in a ring-shaped part spraying device for an aero-engine.

[0027] Figure 5 The present invention is a schematic structural diagram of a spray assembly in a ring-shaped part spraying device for an aero-engine.

[0028] Figure 6 The present invention is a schematic structural diagram of a mobile grabbing assembly in a ring-shaped part spraying device for an aero-engine.

[0029] Figure 7 The present invention provides a piping diagram of a hot drying tube in a ring-shaped part spraying device for an aero-engine.

[0030] Figure 8 A partial schematic diagram of a stirring assembly in a ring-shaped part spraying device for an aircraft engine proposed by the present invention.

[0031] Fig. 9 The present invention is a schematic diagram of the interior of a material storage box in a ring-shaped part spraying device for an aircraft engine.

[0032] Fig.10 The present invention is a schematic structural diagram of a material delivery channel in a ring-shaped part spraying device for an aero-engine.

[0033] Fig.11 The present invention is a schematic structural diagram of a mounting platform and an inner clamping part in a ring-shaped part spraying device for an aero-engine.

[0034] Fig.12 The present invention is a schematic structural diagram of a guide ring processed by a ring-shaped part spraying device for an aero-engine.

[0035] In the figure: 1 support plate, 2 spray box, 3 sealing plate, 31 mounting table, 32 inner clamping part, 321 round table part, 322 expansion ring, 4 drive guide assembly, 41 hydraulic cylinder, 42 fixed cylinder, 43 connecting rod, 5 mobile grab assembly, 51 slide rail, 52 slider, 53 support arm, 54 mounting plate, 55 support table, 56 track, 57 moving block, 58 control motor, 59 movable groove, 510 claw, 6 guide ring, 7 spray Coating assembly, 71 spraying station one, 72 nozzle one, 73 positioning shaft, 74 driving motor, 75 feeding channel, 76 feeding pipe one, 77 feeding pipe two, 78 spraying station two, 79 nozzle two, 8 storage box, 9 stirring assembly, 91 stirring blade, 92 connecting shaft, 93 rotating part, 931 synchronous wheel, 932 synchronous belt, 933 opening, 934 fixed block, 935 inner recess, 10 hot drying tube, 11 solenoid valve, 12 fixed frame. DETAILED DESCRIPTION

[0036] Reference Figure 1-12 A spraying device for annular parts of an aircraft engine comprises a support plate 1, the support plate 1 is connected to a spray box 2 with a cylindrical structure, a sealing plate 3 is provided on a bottom surface of one side of the spray box 2 and is sealed and connected thereto, the spray box is supported by a fixed frame 12, the sealing plate 3 is connected to a driving guide assembly 4 for sealingly matching the sealing plate 3 with the spray box 2, the driving guide assembly 4 comprises a hydraulic cylinder 41, the output end of the hydraulic cylinder 41 passes through the support plate 1 and is fixedly connected to the sealing plate 3, the support plate 1 is fixedly connected to a plurality of fixed cylinders 42, each of the fixed cylinders 42 is sealed and slidably connected to a connecting rod 43, each connecting rod 43 passes through the support plate 1 and is connected to the outer side of the sealing plate 3.

[0037] The sealing plate 3 is connected to a mounting platform 31 for mounting the guide ring 6, the opening of the spray box 2 matches the outer diameter of the guide ring 6, and an inner clamping part 32 for fixing the guide ring 6 is arranged at the end of the mounting platform 31, and the inner clamping part 32 includes a truncated cone part 321 rotatably connected to the mounting platform 31, one side of the truncated cone part 321 is rotatably connected to the mounting platform 31, and the other side of the truncated cone part 321 is arranged as a truncated cone with a wide left side and a narrow right side, so that the guide ring 6 can enter conveniently, and an annular expandable expansion ring 322 is connected to the outer side of the truncated cone part 321, and the expansion ring can use the principle of heating expansion to make the expansion ring 322 expand when heated to fix the guide ring 6, and can also choose to set the expansion ring 322 to expand outward and press the inner wall of the guide ring 6 under pressurized inflation, so as to fix the guide ring 6, so that the positioning of the guide ring 6 can be achieved after the sealing plate 3 enters the spray box 2;

[0038] The bracket plate 1 is connected with a movable grabbing assembly 5, which moves the guide ring 6 to the inner clamping part 32 on the sealing plate 3 after positioning and grabbing the guide ring 6. The movable grabbing assembly 5 includes a linear module 1 arranged on the bracket plate 1, and the linear module 1 includes a slide rail 51 and a slider 52 connected to the slide rail 51. The bottom of the slider 52 is fixedly connected with a support arm 53, and the other end of the support arm 53 is connected with a mounting plate 54. The mounting plate 54 is connected with a bracket table 55. The four sides of the bracket table 55 are respectively connected with linear modules 2, each of which includes a track 56, a moving block 57 and a control motor 58. Each moving block 57 is provided with a movable groove 59, and each movable groove 59 is slidably connected with a claw 510, and each claw 510 is connected to the inner wall of the movable groove 59 through an elastic component. In this way, the outer side of the guide ring 6 is fixed by four claws 510 in a "cross" structure.

[0039] A spray assembly 7 for simultaneously spraying both sides of the guide ring 6 is connected to the spray box 2. The spray assembly 7 includes a spray station 71 connected to the spray box 2. The end surface of the spray station 71 is annularly provided with a plurality of spray heads 72. A positioning shaft 73 is connected to the center of the spray station 71. The positioning shaft 73 passes through the spray station 71 and is rotatably connected to the spray station 71. At the same time, one end of the positioning shaft 73 is connected to a driving motor 74, which is mounted on the bracket plate 1. The other end of the positioning shaft 73 is connected to a locking assembly. The locking assembly is detachably connected to the truncated cone portion 321. In this way, when the locking assembly is connected to the truncated cone portion 321, the truncated cone portion 321 and the guide ring 6 can be driven to rotate by the driving motor 74. The locking assembly can specifically use an electromagnetic clutch. The spray station 71 is located above the positioning shaft 73 and is provided with a feed pipe 76. The other end of the feed pipe 76 is connected to the side of the storage box 8 fixed on the top of the bracket plate 1 for introducing paint. When the sealing plate 3 is connected to a spraying station 2 78 with an annular structure, the spraying station 2 78 is provided with a plurality of nozzles 2 79 in a ring shape. The nozzles 2 79 are spaced apart from the positioned guide ring 6, and the plurality of nozzles 1 72 and nozzles 2 79 are positioned opposite to each other, so that the effect of spraying on both sides can be achieved through the nozzles 1 72 and nozzles 2 79 respectively, and the expansion part 32 is connected to the driving motor 74, so that the guide ring 6 is rotated, and the nozzles 1 72 and nozzles 2 79 fixed on both sides perform rotational spraying on the guide ring 6, thereby improving the spraying range, and the upper and lower sides of the storage box 8 are respectively connected with a hot drying pipe 10, and the hot drying pipe 10 on the lower side inputs dry hot air into the storage box 8 to dry the sprayed guide ring 6, and discharges it from the hot drying pipe 10 on the upper side, and the connection between the two hot drying pipes 10 and the storage box 8 is provided with an electromagnetic valve 11, and the circulating hot drying gas is input into the spray box 2 through the hot drying pipe 10, thereby quickly realizing the drying of the coating.

[0040] A feed channel 75 is provided in the connecting rod 43, and the feed channel 75 is connected to the interior of the second spraying station 78 after extending to the sealing plate 3. Each fixed cylinder 42 is connected to a feed pipe 77. Multiple feed pipes 77 and a feed pipe 76 are connected to a storage box 8 fixed on the top of the bracket plate 1. A stirring assembly 9 for evenly mixing the paint is connected to the storage box 8. The stirring assembly 9 includes two groups of stirring blades 91, and each group of stirring blades 91 is rotatably connected to the side wall of the storage box 8 through a connecting shaft 92. The connecting shaft 92 is connected to a rotating component 93 for driving the connecting shaft 92 to rotate. The rotating component 93 includes two synchronous wheels 931, and the two synchronous wheels 931 are respectively connected to the connecting shaft 92, and the two synchronous wheels 931 are commonly connected to The synchronous belt 932 and the storage box 8 are provided with an opening 933 at the bottom, and the opening 933 is connected to an inner recess 935 to seal the opening 933. The synchronous wheel 931 and the synchronous belt 932 are both arranged on the inner side of the inner recess 935. The bottom of the synchronous belt 932 is connected to a fixed block 934, and the fixed block 934 is fixedly connected to the slider 52. In this way, when the mobile grabbing assembly 5 moves back and forth to realize the loading and unloading of the guide ring 6, it can be said that the function of driving the synchronous belt 932 to move is realized. The two connecting shafts 92 both pass through the side walls of the inner recess 935 and are connected to the synchronous wheel 931. In this way, the movement of the synchronous belt 932 will drive the two connecting shafts 92 to rotate, thereby realizing the stirring work of the stirring blade 91 on the paint in the storage box 8.

[0041] When the present invention is in use, the plurality of claws 510 are moved to the loading position by the slide rail 51 and the slider 52 in the mobile grabbing assembly 5, and then the moving block 57 is moved on the track 56 to achieve contraction, so as to position the guide ring 6, and then the mobile grabbing assembly 5 is moved to the position of the sealing plate 3 under the guidance of the slide rail 51. At this time, the sealing plate 3 is retreated to the outside of the spray box 2 under the action of the hydraulic cylinder 41, and the moving space of the mobile grabbing assembly 5 is made available, and then the hydraulic cylinder 41 drives the sealing plate 3 forward, so that the expansion part 32 cooperates with the guide ring 6, and expands and fixes the guide ring 6. Flow ring 6, then the hydraulic cylinder 41 drives the sealing plate 3 and the fixed guide ring 6 to retreat, so that the mobile grabbing assembly 5 can return to the initial position, the hydraulic cylinder 41 drives the sealing plate 3 forward and cooperates with the spray box 2, and starts the drive motor 74, so that the positioning shaft connected to the drive motor 74 is locked and connected with the frustum part 321 in the expansion part 32 through the locking assembly, so as to rotate, while the spraying station 1 71 and the spraying station 2 78 on both sides are in a stationary state, so the nozzle 1 72 and the nozzle 2 79 on both sides will do the rotation spraying work to avoid the problem of dead point failure to spray.

[0042] When the mobile grabbing assembly 5 moves back and forth, the fixed block 934 connected to the slider 52 will drive the synchronous belt 932 to move, and the movement of the synchronous belt 932 will drive the synchronous wheels 931 on both sides to rotate at the same time, and the synchronous wheels 931 will drive the connecting shaft 92 and the stirring blades 91 to rotate, thereby realizing the stirring of the paint in the storage box 8 and achieving uniform spraying of the paint.

[0043] During the process of spraying and unloading, the hydraulic cylinder 41 first withdraws the sealing plate 3, then moves the mobile grabbing assembly 5 to the loading position, and then the hydraulic cylinder 41 moves forward to send the guide ring 6 into cooperation with the multiple claws 510 in the mobile grabbing assembly 5, and then releases the expansion ring 322 and the inner support fixation of the guide ring 6, and then the hydraulic cylinder 41 continues to retract the sealing plate 3 to make room for the mobile grabbing assembly 5 to move and unload, and finally the mobile grabbing assembly 5 moves the guide ring 6 to the initial loading position, unloads in situ, and completes the processing.

[0044] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A spraying device for annular parts of an aircraft engine, characterized in that: include: Support plate (1); A spray box (2) of cylindrical structure, the spray box (2) being fixed on a support plate (1), a sealing plate (3) being provided and sealingly connected to an opening on the bottom surface of one side of the spray box (2), the sealing plate (3) being connected to a driving guide assembly (4) for sealingly matching the sealing plate (3) with the spray box (2), the sealing plate (3) being connected to a mounting platform (31), the opening of the spray box (2) matching the outer diameter of a guide ring (6), an inner clamping portion (32) for fixing the guide ring (6) being provided at the end of the mounting platform (31), the inner clamping portion (32) comprising a truncated cone portion (321) rotatably connected to the mounting platform (31), an annular expandable expansion ring (322) being connected to the outer side of the truncated cone portion (321), the expansion ring (322) being matched and connected to the inner wall of the guide ring (6) by internal expansion; A movable grabbing assembly (5), the movable grabbing assembly (5) being connected to the support plate (1), the movable grabbing assembly (5) positioning and grabbing the guide ring (6) and then moving to the inner clamping portion (32) on the sealing plate (3) and cooperating therewith; A storage box (8) for storing the paint; The spray box (2) is connected to a spray assembly (7) for spraying both sides of the guide ring (6) simultaneously; The driving guide assembly (4) comprises a hydraulic cylinder (41), the output end of the hydraulic cylinder (41) passes through the support plate (1) and is fixedly connected to the sealing plate (3), the support plate (1) is fixedly connected to a plurality of fixed cylinders (42), each of the fixed cylinders (42) is sealed and slidably connected to a connecting rod (43), and each of the connecting rods (43) passes through the support plate (1) and is connected to the outer side of the sealing plate (3); The mobile grabbing assembly (5) comprises a linear module 1 arranged on a support plate (1), the linear module 1 comprising a slide rail (51) and a slider (52) connected to the slide rail (51), the bottom of the slider (52) being fixedly connected to a support arm (53), the other end of the support arm (53) being connected to a mounting plate (54), the mounting plate (54) being connected to a support platform (55), the four sides of the support platform (55) being respectively connected to linear modules 2, each of the linear modules 2 comprising a rail (56), a moving block (57) and a control motor (58), each of the moving blocks (57) being provided with a movable groove (59), each of the movable grooves (59) being slidably connected to a claw (510), and each of the claws (510) being connected to the inner wall of the movable groove (59) via an elastic component; The spraying assembly (7) comprises a spraying station (71) connected to the spraying box (2); a plurality of spray heads (72) are arranged in an annular shape on the end surface of the spraying station (71); the spraying station (71) is connected to a positioning shaft (73); the positioning shaft (73) passes through the inner wall of the spraying station (71) and is connected to a drive motor (74); the drive motor (74) is mounted on the support plate (1); the spraying station (71) is located above the positioning shaft (73) and is connected to a feed pipe (76) ) and is connected to a material storage box (8) fixed on the top of the bracket plate (1) through a material delivery pipe (76); the other end of the positioning shaft (73) is provided with a locking assembly detachably connected to the truncated table portion (321); a spraying station (78) of an annular structure is connected to the sealing plate (3); the spraying station (78) is provided with a plurality of spray heads (79) arranged in an annular manner; the spray heads (79) are arranged at intervals with the positioned guide ring (6); and the plurality of spray heads (72) and the spray heads (79) are positioned opposite each other.

2. The annular parts spraying equipment for aircraft engines according to claim 1 is characterized in that: The connecting rod (43) is provided with a material delivery channel (75), the material delivery channel (75) extending to the sealing plate and communicating with the interior of the second spraying station, each of the fixed cylinders (42) is connected to a second material delivery pipe (77), a plurality of the second material delivery pipes (77) are connected to a material storage box (8), and a stirring assembly (9) for uniformly mixing the paint is connected to the material storage box (8).

3. The annular parts spraying equipment for aircraft engines according to claim 2, characterized in that: The stirring assembly (9) comprises two groups of stirring blades (91), each group of stirring blades (91) being rotatably connected to the side wall of the material storage box (8) via a connecting shaft (92), and the connecting shaft (92) is connected to a rotating component (93) for driving the connecting shaft (92) to rotate.

4. The annular parts spraying equipment for aircraft engines according to claim 3 is characterized in that: The rotating component (93) comprises two synchronous wheels (931), the two synchronous wheels (931) are respectively connected to the connecting shaft (92), the two synchronous wheels (931) are commonly connected to a synchronous belt (932), the bottom of the material storage box (8) is provided with an opening (933), the opening (933) is connected to an inner recess (935) to seal the opening (933), the synchronous wheels (931) and the synchronous belt (932) are both arranged on the inner side of the inner recess (935), the bottom of the synchronous belt (932) is connected to a fixed block (934), the fixed block (934) is fixedly connected to the slider (52), and the two connecting shafts (92) pass through the side wall of the inner recess (935) and are connected to the synchronous wheels (931).

5. According to claim 1, a spraying device for annular parts for aircraft engines, the upper and lower sides of the material storage box (8) are respectively connected to a hot drying pipe (10), the hot drying pipe (10) located at the lower side inputs dry hot air into the material storage box (8) to dry the sprayed guide ring (6), and discharges it from the hot drying pipe (10) on the upper side, and electromagnetic valves (11) are provided at the connection between the two hot drying pipes (10) and the material storage box (8).

Images