Aircraft shell paint spraying device

Abstract

The invention relates to the technical field of aircraft shell paint spraying, and discloses an aircraft shell paint spraying device which is characterized in that a supporting turntable is matched with a guide groove seat to mount and support a clamping bracket, and transverse movement and lifting supporting adjustment of the bracket can be realized while integral rotary supporting of a bracket structure is realized; the pneumatic clamping jaw is installed and supported through the ball head support so that multi-angle supporting adjustment of the pneumatic clamping jaw can be achieved, locking and limiting of the pneumatic clamping jaw at any supporting angle can be achieved in cooperation with jacking, pressing and locking of the limiting bolt column, and during clamping, the shell can be stably clamped and supported through clamping and supporting of the pneumatic clamping jaw and reinforcing ribs on the inner side of the bottom face of the shell. The shell paint spraying quality and machining efficiency can be effectively improved while the shell clamping operation difficulty is reduced, a multi-spray-head switching type paint spraying structure is adopted, rapid work switching of paint spraying heads can be achieved, paint spraying machining of multiple work faces of the upper portion of the shell can be achieved through work switching of the multiple sets of paint spraying heads, and the work flexibility of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aircraft shell painting technology, in particular to an aircraft shell painting device. BACKGROUND

[0002] With the rapid development of the aerospace industry, the surface quality requirements of the aircraft shell are increasingly stringent. In the production process of aircraft such as airplanes and helicopters, high-quality painting of the shell is a crucial process, which not only concerns the appearance quality of the aircraft, but also directly affects the aerodynamic performance, corrosion resistance and service life of the aircraft.

[0003] For the structure of the aircraft shell, in order to meet the aerodynamic shape and functional needs of the aircraft, the shell of the aircraft is mostly a complex irregular curved surface structure. The existing painting device clamping head is mostly fixed. Due to the irregular structure characteristics of the shell edge and surface, it is difficult to find a suitable force support point when clamping and supporting. There are problems such as high clamping difficulty, poor support stability, and shielding of the painting surface, which leads to high difficulty and low efficiency of the irregular aircraft shell processing. Therefore, an aircraft shell painting device is proposed. SUMMARY

[0004] The purpose of the present application is to provide an aircraft shell painting device to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: an aircraft shell painting device, comprising a painting mechanism for aircraft shell painting processing and a clamping mechanism, the painting mechanism is used for painting work of the shell workpiece, the painting mechanism comprises a groove rail support, a lead screw drive motor, a multi-axis mechanical arm, a multi-head spray seat, a drive cylinder and a paint supply communication seat, the multi-axis mechanical arm is driven by the lead screw drive motor and slidably installed on the upper part of the groove rail support, the multi-head spray seat is connected and installed with the rotating head part of the multi-axis mechanical arm, the upper part of the multi-head spray seat is provided with a plurality of paint spraying heads, and the paint supply communication seat is coaxially movably installed on the rear part of the multi-head spray seat by the drive cylinder; The clamping mechanism is used for clamping and supporting the shell workpiece, and the clamping mechanism comprises a rotary disc support, a supporting rotary disc, a rotary disc drive motor, a guide groove seat, a sliding support, a lifting support, a ball head support and a pneumatic clamping jaw, the supporting rotary disc is rotatably installed on the upper part of the rotary disc support by the rotary disc drive motor, the sliding support and the lifting support are slidably installed on the upper part of the supporting rotary disc through the guide groove seat, and the pneumatic clamping jaw is supported and installed on the upper part of the lifting support through the ball head support.

[0006] As preferred, the upper portion of the groove rail support horizontally supports the installation bottom surface, and the upper portion of the groove rail support is provided with support groove rails arranged in pairs, and the two groups of support groove rails are fixedly installed on both sides of the upper portion of the groove rail support in parallel.

[0007] As preferred, the lower portion of the base portion of the multi-axis mechanical arm is fixedly installed with guide rail seats on both sides, and the multi-axis mechanical arm is slidably supported and installed on the upper portion of the support groove rail through the guide rail seats.

[0008] As preferred, the screw rod driving motor is fixedly installed on the rear portion of the groove rail support through a support, a transmission screw rod is rotatably installed on the middle portion of the groove rail support through a support, the transmission screw rod is drivingly installed on the driving output shaft end of the transmission portion of the screw rod driving motor through a shaft sleeve, the lower portion of the base portion of the multi-axis mechanical arm is fixedly installed with a driving screw seat, and the middle portion of the transmission screw rod is threadedly installed in the middle portion screw hole of the driving screw seat.

[0009] As preferred, the multi-head spray seat is fixedly installed on the rotating head portion of the multi-axis mechanical arm through a bolt fastening, a plurality of paint spraying heads are fixedly installed on the front portion of the multi-head spray seat in a circumferential and uniform manner, the rear portion of the driving cylinder body is fixedly installed with an installation end seat, the installation end seat is fixedly installed on the rear end seat portion of the rotating head portion of the multi-axis mechanical arm through a bolt fastening, the paint supply communication seat is fixedly installed on the cylinder rod end of the driving cylinder body, the middle portion of the rotating head portion of the multi-axis mechanical arm is provided with a guide through groove, and the paint supply communication seat is slidably and fitly installed in the guide through groove.

[0010] As preferred, the rear portion of the multi-head spray seat is provided with a butt joint end corresponding to the paint spraying head, the front end of the paint supply communication seat is provided with a butt joint insertion hole corresponding to the butt joint end, the butt joint end is plug-in installed in the butt joint insertion hole during work, and the rear lower side of the paint supply communication seat is provided with a paint liquid supply pipe which is in communication with the butt joint insertion hole on the opposite side thereof through a straight pipe.

[0011] As preferred, the rotary disc support is horizontally supported and installed on the upper portion of the ground, the support rotary disc is fixedly and rotatably installed on the upper portion of the rotary disc support, the rotary disc driving motor is fixedly installed on the edge seat upper portion of the rotary disc support through a support, the driving output shaft end of the transmission portion of the rotary disc driving motor is fixedly installed with a driving gear, the lower edge portion of the support rotary disc is provided with a driving gear slot, and the driving gear is meshingly and drivingly installed on the lower edge portion of the support rotary disc through the driving gear slot.

[0012] As preferred, the guide groove seats are fixedly installed on the upper portion of the support rotary disc, a plurality of guide groove seats are provided, the bottom portion of the guide groove seat is fixedly installed with a guide sliding block, the guide sliding block is slidably and fitly installed in the notch portion of the upper portion of the guide groove seat, and the upper portion of the guide sliding block is installed with a first fastening knob.

[0013] As preferred, the front part of the upper part of the sliding support is provided with a lifting guide groove, the lifting support is installed in sliding fit with the front part of the sliding support through the cooperation of the groove block and the lifting guide groove, the front part of the upper part of the sliding support is provided with a second fastening knob, the upper part of the lifting support is fixedly installed with a transverse movement groove seat, the rear part of the ball head support is installed in sliding fit with the sliding groove part of the transverse movement groove seat through the cooperation of the groove block, and the rear part of the ball head support is provided with a third fastening knob.

[0014] As preferred, the upper part of the ball head support is installed in fit support with a ball head end seat through a ball head groove seat, the cylinder seat part of the pneumatic clamping jaw is fixedly installed with a support column part of the ball head end seat, the lower part of the support part of the ball head support is provided with an installation screw hole, the inner side of the installation screw hole is installed with a limiting bolt column, the end part of the limiting bolt column is provided with a limiting head seat, and the limiting head seat is installed in abutting pressure with the ball head part of the ball head end seat after installation.

[0015] Compared with the prior art, the above technical scheme has the following technical effects: 1. The paint spraying device adopts a rotary table support type clamping installation structure, and the clamping support is installed and supported by the support rotary disc cooperating with the guide groove seat, so that the clamping support can be transversely moved and lifted and supported for adjustment while realizing overall rotary support of the support structure, thereby improving the shell installation positioning precision and operation convenience.

[0016] 2. The shell clamping support adopts a ball head support type installation structure, the pneumatic clamping jaw is installed and supported by the ball head support, the pneumatic clamping jaw can be adjusted at multiple angles, the limiting bolt column is locked by abutting pressure, the pneumatic clamping jaw can be locked and positioned at any supporting angle, the shell can be stably clamped and supported by the clamping and supporting of the pneumatic clamping jaw and the inner reinforcing rib of the shell bottom surface during clamping, the process does not need complicated fulcrum searching and does not occupy the paint spraying work surface on the upper part of the shell, thereby reducing the shell clamping operation difficulty and effectively improving the shell paint spraying quality and processing efficiency.

[0017] 3. The paint spraying structure adopts a multi-nozzle switching type, a plurality of groups of paint spraying heads are connected and installed by a multi-head spraying seat installed on the rotary head part of the multi-axis mechanical arm, a paint supply communication seat is driven and installed by a driving cylinder body at the rear part of the multi-head spraying seat, the paint spraying head can be quickly switched by driving the paint supply communication seat to move backward and cooperating with the rotary switching of the multi-head spraying seat during work, manual shutdown and replacement are not needed, the processing efficiency of the device is improved, and the paint spraying processing of various work surfaces on the upper part of the shell can be realized by the switching of the plurality of groups of paint spraying heads, thereby improving the work flexibility of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall installation front side structure of the present application. Figure 2 It is a schematic diagram of the overall installation rear side structure of the present application. Figure 3 It is a schematic diagram of the multi-head spray seat working installation structure of the present application. Figure 4 It is a schematic diagram of the multi-head spray seat butt joint installation front side structure of the present application. Figure 5 It is a schematic diagram of the multi-head spray seat butt joint installation rear side structure of the present application. Figure 6 It is a schematic diagram of the clamping mechanism three-dimensional structure of the present application. Figure 7 It is a schematic diagram of the support turntable working installation structure of the present application. Figure 8 It is a schematic diagram of the pneumatic clamping jaw working installation upper side structure of the present application. Figure 9 It is a schematic diagram of the pneumatic clamping jaw working installation lower side structure of the present application. Figure 10 It is a schematic diagram of the ball head support partial section structure of the present application.

[0020] Explanation of reference numerals: 1, groove rail support; 2, screw rod driving motor; 3, multi-axis mechanical arm; 4, multi-head spray seat; 5, driving cylinder body; 6, paint supply communication seat; 7, transmission screw rod; 8, butt joint end; 9, butt joint jack; 10, paint supply pipe; 11, turntable support; 12, support turntable; 13, turntable driving motor; 14, guide groove seat; 15, sliding support; 16, lifting support; 17, ball head support; 18, pneumatic clamping jaw; 19, guide sliding block; 20, first fastening knob; 21, second fastening knob; 22, third fastening knob; 23, ball head end seat; 24, limiting bolt column; 25, driving gear; 26, driving gear slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a 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 work fall within the scope of the present application.

[0022] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the specification are only used to understand and read the disclosed content by those skilled in the art, and are not used to limit the defined conditions in which the present application can be implemented, and therefore do not have technical substantive significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content.

[0023] Embodiment one Please refer to Figures 1-10 The present application provides a technical solution: a paint spraying device for an aircraft shell, comprising a paint spraying mechanism and a clamping mechanism for paint spraying processing of the aircraft shell, in particular: The paint spraying mechanism is used for paint spraying work of the shell workpiece, and the paint spraying mechanism comprises a groove rail support 1, a lead screw driving motor 2, a multi-axis mechanical arm 3, a multi-head spray seat 4, a driving cylinder body 5 and a paint supply communication seat 6. The multi-axis mechanical arm 3 is driven by the lead screw driving motor 2 to slide and install on the upper part of the groove rail support 1. Specifically, as shown in the accompanying Figure 1 , the groove rail support 1 supports and installs the upper part of the bottom surface horizontally. In order to facilitate the guiding and supporting of the multi-axis mechanical arm 3, a supporting groove rail is arranged on the upper part of the groove rail support 1. The supporting groove rail is arranged in pairs, and the two groups of supporting groove rails are fixedly installed on the upper part of the groove rail support 1 on both sides in parallel. The bottom seat part of the multi-axis mechanical arm 3 is fixedly installed with guide rail seats on both sides of the lower part. The multi-axis mechanical arm 3 is slidingly supported and installed on the upper part of the supporting groove rail through the guide rail seats. The lead screw driving motor 2 is used for displacement driving of the multi-axis mechanical arm 3. The lead screw driving motor 2 is fixedly installed on the rear part of the groove rail support 1 through a support. In order to facilitate the driving transmission of the multi-axis mechanical arm 3, as shown in the accompanying Figure 2 , a transmission lead screw 7 is fixedly installed on the middle part of the groove rail support 1 through a bracket. The driving side of the lead screw driving motor 2 is provided with a speed reducer. The shaft end of the lead screw driving motor 2 is fixedly installed with the driving input shaft end of the speed reducer. The transmission lead screw 7 is transmissionally installed with the driving output shaft end of the speed reducer through a shaft sleeve. The lower part of the bottom seat part of the multi-axis mechanical arm 3 is fixedly installed with a driving screw seat. The middle part of the transmission lead screw 7 is screwingly installed with the middle part screw hole of the driving screw seat. The upper part of the multi-head spray seat 4 is provided with a paint spraying head.

[0024] Clamping Mechanism: The clamping mechanism is used for clamping and supporting the shell workpiece. The clamping mechanism includes a turntable support 11, a supporting turntable 12, a turntable drive motor 13, a guide slot seat 14, a sliding support 15, a lifting support 16, a ball head support 17, and pneumatic grippers 18. The supporting turntable 12 is driven to rotate by the turntable drive motor 13 and is mounted on the upper part of the turntable support 11. Specifically, see attached... Figure 7 As shown, the turntable support 11 is horizontally supported and installed on the upper part of the ground. The turntable 12 is fixedly and rotatably supported and installed on the upper part of the turntable support 11. The turntable drive motor 13 is used to drive the rotation of the turntable 12. The turntable drive motor 13 is fixedly installed on the upper part of the side seat of the turntable support 11 by a bracket. In order to improve the stability of the drive transmission, a reducer is provided on the drive side of the turntable drive motor 13. The drive output shaft end of the reducer is fixedly installed with a drive gear 25. The lower part of the turntable 12 is provided with a drive tooth groove 26. The drive gear 25 is meshed with the lower part of the turntable 12 through the drive tooth groove 26. The sliding support 15 and the lifting support 16 are slidably installed on the upper part of the turntable 12 by a guide groove seat 14. Specifically, see attached... Figure 6 As shown, the guide slot seat 14 is fixedly installed on the upper part of the support turntable 12. Four guide slot seats 14 are provided. A guide slider 19 is fixedly installed on the bottom of the guide slot seat 14. The guide slider 19 is slidably fitted into the slot at the upper part of the guide slot seat 14. To facilitate the locking limit of the guide slot seat 14 after adjustment, a first fastening knob 20 is installed on the upper part of the guide slider 19, as shown in the attached figure. Figure 9 As shown, to facilitate the guiding and supporting installation of the lifting support 16, a lifting guide groove is provided at the front of the upper support of the sliding support 15. The lifting support 16 is slidably fitted into the front of the sliding support 15 through the cooperation of the groove block and the lifting guide groove. To lock and limit the adjusted lifting support 16, a second fastening knob 21 is provided at the front of the upper support of the sliding support 15. To facilitate the lateral adjustment of the ball joint support 17, a lateral sliding groove seat is fixedly installed on the upper part of the lifting support 16. The rear of the ball joint support 17 is connected to the lateral sliding groove seat through the groove block. The sliding groove part is installed in a sliding fit. In order to achieve the locking limit of the ball head support 17 after adjustment, a third fastening knob 22 is provided at the rear of the ball head support 17. The clamping and installation structure of the turntable bracket is adopted. The support turntable 12 and the guide groove seat 14 are used to install and support the clamping bracket. While realizing the overall rotation support of the bracket structure, the lateral movement and lifting support adjustment of the bracket can be realized, which is conducive to improving the installation positioning accuracy and operation convenience of the shell. The pneumatic gripper 18 is supported and installed on the upper part of the lifting support 16 through the ball head support 17.

[0025] Example 2 Unlike Embodiment 1, the multi-head spray gun 4 is connected and installed to the rotating head of the multi-axis robotic arm 3. The upper part of the multi-head spray gun 4 is equipped with multiple spray heads, as detailed in the attached diagram. Figure 3As shown, the multi-head spray seat 4 is fixedly installed with the rotating head of the multi-axis mechanical arm 3 through bolt fastening, and four groups of paint spray heads are uniformly fixedly installed on the front of the multi-head spray seat 4 in a circumferential manner. The paint supply communication seat 6 is coaxially movably installed on the rear of the multi-head spray seat 4 through the driving of the driving cylinder body 5. Specifically, as shown in the accompanying Figure 4 As shown, the driving cylinder body 5 can be a pneumatic cylinder body. In order to facilitate the support installation of the driving cylinder body 5, an installation end seat is fixedly installed on the rear of the driving cylinder body 5. The installation end seat is fixedly installed with the rear end seat of the rotating head of the multi-axis mechanical arm 3 through bolt fastening. The paint supply communication seat 6 is fixedly installed with the cylinder rod end of the driving cylinder body 5. The middle part of the rotating head of the multi-axis mechanical arm 3 is provided with a guide through slot. The paint supply communication seat 6 is slidably and fitly installed with the guide through slot, so as to realize the telescopic sliding guide of the paint supply communication seat 6.

[0026] In order to realize the paint supply communication, as shown in the accompanying Figure 5 As shown, the rear of the multi-head spray seat 4 is provided with a butt joint end 8 corresponding to the paint spray head. The front end of the paint supply communication seat 6 is provided with a butt joint socket 9 corresponding to the butt joint end 8. The rear lower side of the paint supply communication seat 6 is provided with a paint liquid supply pipe 10. The paint liquid supply pipe 10 is connected with the butt joint socket 9 on the opposite side through a straight pipe. Figure 4 As shown, the butt joint socket 9 is provided with four groups. Only the butt joint socket 9 on the bottom side is provided with a communication. The remaining three groups are closed. During work, the butt joint end 8 is inserted and installed with the butt joint socket 9. The multi-spray head switching type paint spraying structure is used. The multi-head spray seat 4 installed with the rotating head of the multi-axis mechanical arm 3 is connected and installed with the multiple paint spray heads. The paint supply communication seat 6 is movably installed on the rear of the multi-head spray seat 4 through the driving of the driving cylinder body 5. During work, the paint supply communication seat 6 is driven to move backward by the driving cylinder body 5 to cooperate with the rotation of the multi-head spray seat 4, so as to realize the quick work switching of the paint spray head. Manual shutdown and replacement are not required, which is beneficial to the improvement of the processing efficiency of the device. Through the work switching of the multiple paint spray heads, the paint spraying processing of multiple work surfaces on the upper part of the shell can be realized, which is beneficial to the improvement of the work flexibility of the device.

[0027] Example three Different from example one and example two, the pneumatic clamping jaw 18 is a clamping jaw structure driven by a pneumatic cylinder body. The pneumatic clamping jaw 18 is supported and installed on the upper part of the lifting support 16 through the ball head support 17. Specifically, as shown in the accompanying Figure 10As shown, the upper part of the ball head support 17 is installed with a ball head end seat 23 through ball head groove seat fitting support, the cylinder seat part of the pneumatic clamp jaw 18 is fixedly installed with the support part of the ball head end seat 23, in order to realize the locking and limiting of the ball head end seat 23 after adjustment, the mounting screw hole is penetrated and arranged in the lower part of the support part of the ball head support 17, the limit pin 24 is installed in the inner side of the mounting screw hole, the end part of the limit pin 24 is provided with a limit head seat, and the limit head seat is installed in pressure contact with the ball head part of the ball head end seat 23 after installation. The ball head support type installation structure is adopted, the pneumatic clamp jaw 18 is installed and supported by the ball head support 17, the multi-angle support adjustment of the pneumatic clamp jaw 18 can be realized, the pressing locking of the limit pin 24 can realize the locking and limiting of the arbitrary support angle of the pneumatic clamp jaw 18, and the shell can be stably clamped and supported by the clamping and supporting of the pneumatic clamp jaw 18 and the inner side reinforcing rib of the shell bottom surface during clamping. The process does not need to find the support point complicatedly and does not occupy the paint spraying work surface of the upper part of the shell, which can effectively improve the shell paint spraying quality and processing efficiency while reducing the shell clamping operation difficulty.

[0028] Working principle or structural principle: when working, the planar support position of the sliding support 15 is adjusted by sliding according to the size and shape characteristics of the shell workpiece and is locked and limited by the first fastening knob 20, then the installation position of the lifting support 16 is adjusted by sliding and is locked and limited by the second fastening knob 21, then the appropriate support structure is selected on the bottom surface part of the shell workpiece, then the support position and angle of the pneumatic clamp jaw 18 are adjusted and locked and limited, the reinforcing rib part of the bottom surface of the shell workpiece is clamped and supported by the clamp jaw part of the pneumatic clamp jaw 18, and the clamping and supporting installation of the other two groups of pneumatic clamp jaws 18 is completed in the same way. The clamping and installation work of the shell workpiece is completed. When processing, the outer shell workpiece work surface scanning positioning is completed by scanning, then the multi-axis mechanical arm 3 is driven to move to the paint spraying area by the screw rod driving motor 2 cooperating with the transmission screw rod 7, and the paint spraying head is moved to the paint spraying positioning place by the multi-axis mechanical arm 3, the paint spraying preparation work is completed, then the paint spraying head is driven to displace in space by the multi-axis mechanical arm 3 according to the scanning programming data, and the paint spraying processing of the work surface on the outer shell workpiece is completed by cooperating with the rotation displacement of the supporting turntable 12. During the process, when special work surface paint spraying is performed, after the multi-head spray seat 4 moves out of the processing area, the paint supply communication seat 6 is driven to move backward and separate from the rear butt joint end 8 of the multi-head spray seat 4 by the driving cylinder body 5, then the multi-head spray seat 4 is rotated and driven by the rotating head part of the multi-axis mechanical arm 3, the butt joint positioning of the rear butt joint end 8 of the corresponding paint spraying head and the end butt joint socket 9 of the paint supply communication seat 6 is completed by rotating at a fixed angle, then the corresponding paint spraying head is butt jointed and communicated by driving the paint supply communication seat 6 to move forward and reset by the driving cylinder body 5, then the multi-axis mechanical arm 3 moves the paint spraying head to the processing area to perform paint spraying processing again. The multi-spray head switching type paint spraying structure is adopted, the paint spraying head can be quickly switched during work by driving the paint supply communication seat 6 to move backward by the driving cylinder body 5 and cooperating with the rotation displacement of the multi-head spray seat 4, manual shutdown and replacement are not required, which is beneficial to improving the processing efficiency of the device.

[0029] In summary, the paint spraying device adopts a rotary table support type clamping installation structure, the clamping support is installed and supported by the supporting turntable 12 cooperating with the guide groove seat 14, the lateral movement and lifting support adjustment of the support can be realized while the overall rotation support of the support structure is realized, which is beneficial to improving the installation positioning accuracy and operation convenience of the outer shell, and the ball head support type installation structure is adopted for the clamping and support of the outer shell, the multi-angle support adjustment of the pneumatic clamping jaw 18 can be realized by installing and supporting the pneumatic clamping jaw 18 by the ball head support 17, the locking and limiting of the arbitrary support angle of the pneumatic clamping jaw 18 can be realized by cooperating with the top pressure locking of the limiting bolt column 24, the outer shell can be stably clamped and supported by the clamping and support of the pneumatic clamping jaw 18 and the inner reinforcing rib of the outer shell bottom surface during clamping, the complex fulcrum finding process is not required and the paint spraying work surface on the upper part of the outer shell is not occupied, which can effectively improve the paint spraying quality and processing efficiency of the outer shell while reducing the clamping operation difficulty of the outer shell. The multi-spray head switching type paint spraying structure is adopted, a plurality of paint spraying heads are connected and installed by the multi-head spray seat 4 installed on the rotating head part of the multi-axis mechanical arm 3, and the paint supply communication seat 6 is driven to move backward by the driving cylinder body 5, the paint spraying head can be quickly switched during work by driving the paint supply communication seat 6 to move backward by the driving cylinder body 5 and cooperating with the rotation displacement of the multi-head spray seat 4, manual shutdown and replacement are not required, which is beneficial to improving the processing efficiency of the device, and the work switching of the plurality of paint spraying heads can realize the paint spraying processing of the various work surfaces on the upper part of the outer shell, which is beneficial to improving the work flexibility of the device.

[0030] It will be appreciated by those skilled in the art that features of the various embodiments and / or claims of the present application can be combined or / and integrated, even if such combinations or integrations are not expressly disclosed in the present application. In particular, features of the various embodiments and / or claims of the present application can be combined or / and integrated in any number of ways, without departing from the spirit and scope of the present application. All such combinations and / or integrations are within the scope of the present application.

Claims

1. An aircraft fuselage painting apparatus comprising a painting mechanism and a clamping mechanism for painting processing of an aircraft fuselage, characterized in that, The paint spraying mechanism is used for paint spraying work of the shell workpiece, and comprises a groove rail support (1), a screw rod driving motor (2), a multi-axis mechanical arm (3), a multi-head spraying seat (4), a driving cylinder body (5) and a paint supply communication seat (6). The multi-axis mechanical arm (3) is driven by the screw rod driving motor (2) to be slidingly installed on the upper portion of the groove rail support (1). The multi-head spraying seat (4) is connected and installed with the rotating head portion of the multi-axis mechanical arm (3). The upper portion of the multi-head spraying seat (4) is provided with a plurality of paint spraying heads. The paint supply communication seat (6) is coaxially and movably installed at the rear portion of the multi-head spraying seat (4) by the driving cylinder body (5). The clamping mechanism is used for clamping and supporting the shell workpiece, and comprises a rotating disc support (11), a supporting rotating disc (12), a rotating disc driving motor (13), a guide groove seat (14), a sliding support (15), a lifting support (16), a ball head support (17) and a pneumatic clamping jaw (18). The supporting rotating disc (12) is rotatably installed on the upper portion of the rotating disc support (11) by the rotating disc driving motor (13). The sliding support (15) and the lifting support (16) are slidingly installed on the upper portion of the supporting rotating disc (12) by the guide groove seat (14). The pneumatic clamping jaw (18) is supported and installed on the upper portion of the lifting support (16) by the ball head support (17).

2. A paint spraying device for an aircraft shell as claimed in claim 1, wherein, The groove rail support (1) is horizontally supported and installed on the upper portion of the bottom surface. The upper portion of the groove rail support (1) is provided with supporting groove rails. The supporting groove rails are arranged in pairs. Two groups of the supporting groove rails are fixedly installed on the two sides of the upper portion of the groove rail support (1) in parallel.

3. A paint spraying device for an aircraft shell as claimed in claim 2, wherein, The base portion of the multi-axis mechanical arm (3) is slidingly supported and installed on the upper portion of the supporting groove rail by the guide rail seat.

4. A paint spraying device for an aircraft shell as claimed in claim 3, wherein, The screw rod driving motor (2) is fixedly installed on the rear edge portion of the groove rail support (1) by the support. The transmission screw rod (7) is rotatably installed on the middle portion of the groove rail support (1) by the support. The transmission screw rod (7) is drivingly installed on the driving output shaft end of the transmission portion of the screw rod driving motor (2) through the shaft sleeve. The lower portion of the base portion of the multi-axis mechanical arm (3) is fixedly installed with a driving screw seat. The middle portion of the transmission screw rod (7) is screwingly installed in the middle portion screw hole of the driving screw seat.

5. A device for painting the exterior of an aircraft as defined in claim 4, wherein The multi-head spraying seat (4) is fixedly installed with the rotating head portion of the multi-axis mechanical arm (3) by the bolt fastening. A plurality of the paint spraying heads are fixedly installed on the front portion of the multi-head spraying seat (4) in a circumferential and uniform manner. The rear portion of the driving cylinder body (5) is fixedly installed with an installation end seat. The installation end seat is fixedly installed with the rear end seat portion of the rotating head portion of the multi-axis mechanical arm (3) by the bolt fastening. The paint supply communication seat (6) is fixedly installed with the cylinder rod end of the driving cylinder body (5). The middle portion of the rotating head portion of the multi-axis mechanical arm (3) is provided with a guide through groove. The paint supply communication seat (6) is slidingly and fitly installed in the guide through groove.

6. A device for painting the exterior of an aircraft as defined in claim 5, wherein The rear part of the multi-head spray seat (4) is provided with a butt joint end (8) corresponding to the spray head, the front end of the paint supply communication seat (6) is provided with a butt joint socket (9) corresponding to the butt joint end (8), the butt joint end (8) is inserted and installed with the butt joint socket (9) during work, the rear part of the paint supply communication seat (6) is provided with a paint supply pipe (10) on the lower side, and the paint supply pipe (10) is connected with the butt joint socket (9) on the opposite side through a straight pipe.

7. A paint spraying device for an aircraft shell as claimed in claim 1, wherein, The upper part of the rotary disc support (11) is horizontally supported and installed on the ground, the support rotary disc (12) is pivotally supported and installed on the upper part of the rotary disc support (11), the rotary disc driving motor (13) is fixedly installed on the side seat upper part of the rotary disc support (11) through a support, and the driving output shaft end of the transmission part of the rotary disc driving motor (13) is fixedly installed with a driving gear (25). The lower edge part of the support rotary disc (12) is provided with a driving gear slot (26), and the driving gear (25) is meshingly and transmissionally installed with the lower edge part of the support rotary disc (12) through the driving gear slot (26).

8. A device for painting the exterior of an aircraft as defined in claim 7, wherein The guide groove seat (14) is fixedly installed on the upper part of the support rotary disc (12), a plurality of guide groove seats (14) are arranged, the bottom of the guide groove seat (14) is fixedly installed with a guide sliding block (19), the guide sliding block (19) is slidingly and matchingly installed with the notch part of the upper part of the guide groove seat (14), and the upper part of the guide sliding block (19) is installed with a first fastening knob (20).

9. A device for painting the exterior of an aircraft as defined in claim 8, wherein The upper part of the sliding support (15) is provided with a lifting guide groove on the front part of the support, the lifting support (16) is slidingly and matchingly installed with the front part of the support of the sliding support (15) through the cooperation of the groove block and the lifting guide groove, the upper part of the sliding support (15) is provided with a second fastening knob (21) on the front part of the support, the lifting support (16) is fixedly installed with a transverse movement groove seat on the upper part, the rear part of the ball head support (17) is slidingly and matchingly installed with the sliding groove part of the transverse movement groove seat through the groove block, and the rear part of the ball head support (17) is provided with a third fastening knob (22).

10. A device for painting the exterior of an aircraft as defined in claim 9, wherein The upper part of the ball head support (17) is slidingly and matchingly supported and installed with a ball head end seat (23) through a ball head groove seat, the cylinder seat part of the pneumatic clamping jaw (18) is fixedly installed with the support column part of the ball head end seat (23), the support part of the ball head support (17) is provided with an installation screw hole penetratingly arranged on the lower part, the inner side of the installation screw hole is installed with a limiting bolt column (24), the end part of the limiting bolt column (24) is provided with a limiting head seat, and the limiting head seat is abuttingly and tightly installed with the ball head part of the ball head end seat (23) after installation.

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