CN209829324U

CN209829324U - Aircraft spraying device

Info

Publication number: CN209829324U
Application number: CN201921407822.6U
Authority: CN
Inventors: 董伟
Original assignee: Hainan Hna Stis Spraying Service Co Ltd
Current assignee: Hainan Hna Stis Spraying Service Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2019-12-24
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to an aircraft spraying device, which comprises a spray gun and a spray pipe, wherein the spray pipe is in threaded connection with the muzzle of the spray gun, a front pipe and a rear pipe are arranged in the spray pipe, a lantern ring is arranged in the spray pipe in a penetrating way, a hole groove is arranged above the spray pipe, the lantern ring is communicated with the outside of the spray pipe through the hole groove, the lantern ring is rotationally connected with the inner wall of the spray pipe, the front pipe and the rear pipe are communicated through the lantern ring, the lantern ring is rotationally connected with the front pipe and the rear pipe, the inner wall of the lantern ring is provided with a filter screen, a cavity is arranged in the rear pipe, the cavity is abutted against the filter screen, the top of the cavity is provided with an opening, the cavity is detachably connected with the inner wall of the rear pipe, the device can clean the spray gun in the spraying process, the spraying work process is not required to be, the working efficiency is improved, the backflow of large granular substances is reduced, and the blocking speed of the spray gun during re-spraying is slowed down.

Description

Aircraft spraying device

Technical Field

The utility model relates to a belong to aircraft spraying technical field, in particular to aircraft spraying device.

Background

The airplane spraying is an important link in the modern product manufacturing process, and comprises the procedures of surface treatment, large-area coverage of the airplane surface by paint or coating and the like, and the purposes of outline showing, protection, decoration, fire prevention and the like are achieved by designing a reasonable coating. By integrally spraying the airplane, the corrosion resistance of the airplane can be effectively enhanced, the integral structure of the airplane is effectively protected, and the safety performance of the airplane is improved. When spraying the aircraft, the spray gun need be used usually, and paint or coating is not pure, contains partial impurity or large particulate matter, and these particulate matters cause the jam to the spray gun easily, seriously influences spraying work, and traditional spray gun passes through filter equipment and completely cuts off the particulate matter in the filter screen outside, dismantles the filter screen after waiting to spray to clean again, but so appear drawback: 1. the filter screen cannot be cleaned in the spraying process; 2. dismantle the filter screen and clear up when, need stop spraying work, paint or coating in the spray gun flow back to the storage bucket along the inlet pipe in, the filter screen can be passed to backward flow in-process paint or coating, carry the most particulate matter backward flow to the storage bucket in under the effect of mobility secretly, so paint or coating reduce in a large number because of using, but the particulate matter is most still remain in the storage bucket, when continuing to carry out the spraying, carry the particulate matter to the spray gun in more easily, the jam speed of spray gun has been accelerated greatly, seriously influence spraying work.

Disclosure of Invention

Therefore, the utility model provides an aircraft spraying device can clear up the spray gun at the in-process of spraying, need not pause spraying work and influences the work progress, has practiced thrift a large amount of operating time, has improved work efficiency, has reduced the backward flow of large granule material simultaneously, has slowed down the jam speed of spray gun when spraying again.

The technical scheme of the utility model is realized like this:

the utility model provides an aircraft spraying device, including spray gun and spray tube, the spray tube with the muzzle department threaded connection of spray gun, be equipped with front tube and back tube in the spray tube, wear to be equipped with the lantern ring in the spray tube, the spray tube top is equipped with the hole groove, the lantern ring passes through the hole groove with the outside intercommunication of spray tube, the lantern ring with the inner wall of spray tube rotates to be connected, front tube and back tube pass through the lantern ring intercommunication, the lantern ring with front tube and back tube are the rotation and connect, lantern ring inner wall is equipped with the filter screen, be equipped with the cavity in the back tube, the cavity with the filter screen butt, the cavity top is equipped with the opening, the cavity with the connection can be dismantled to the inner wall of back tube.

Preferably, a flow channel is arranged inside the spray gun, a feeding port is arranged at the bottom of the spray gun, the feeding port is communicated with the bottom of the flow channel, and the flow channel is communicated with the rear pipe.

Preferably, the bottom of the spray gun is provided with an air inlet, the air inlet is positioned behind the feeding port, and the air inlet is communicated with the top of the flow channel.

Preferably, the spray gun bottom is equipped with the trigger, the trigger is located the rear of air inlet, the runner rear is equipped with the inner chamber, the inner chamber is equipped with thimble assembly, thimble assembly with inner chamber sliding connection, thimble assembly passes the runner and with the inner wall sliding connection of runner, thimble assembly with the pan feeding mouth with the air inlet butt, the trigger passes the spray gun with thimble assembly connects.

Preferably, the thimble assembly includes the thimble, the tip of thimble is equipped with the shutoff head, the shutoff head is located in the runner, the shutoff head with the inner wall sliding connection of runner, the thimble middle part is equipped with the regulation ball, the upper end of trigger is equipped with the recess, the trigger passes through the recess cover is established on the thimble, the trigger is located regulation ball the place ahead, the trigger with adjust the ball butt, the tail end of thimble pass through reset spring with the inner chamber is connected.

Preferably, an atomizing nozzle is arranged at the outlet of the spray pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an aircraft spraying device, which comprises a spray gun and a spray pipe, wherein the spray pipe is in threaded connection with the muzzle of the spray gun, the spray pipe can be screwed out through rotation, the spray pipe is convenient to clean, a front pipe and a rear pipe are arranged in the spray pipe, a lantern ring is arranged in the spray pipe in a penetrating way, a hole groove is arranged above the spray pipe, the lantern ring is communicated with the outside of the spray pipe through the hole groove, the lantern ring is rotationally connected with the inner wall of the spray pipe, the front pipe and the rear pipe are communicated through the lantern ring, the lantern ring is rotationally connected with the front pipe and the rear pipe, the front pipe and the rear pipe are both fixedly connected with the inner wall of the spray pipe, part of the ring body of the lantern ring is positioned outside the spray pipe, the lantern ring can be controlled to rotate on the basis that the front pipe and the rear pipe are fixed through poking by fingers, the, the filter screen filters paint or coating, large granular substances are intercepted on the filter screen, a cavity is arranged in the rear pipe, the cavity is abutted against the filter screen, an opening is formed in the top of the cavity, the top of the cavity is open and the inside of the cavity is hollow, when the large granular substances on the filter screen are accumulated too much to cause blockage, the lantern ring is rotated clockwise through the outside, the lantern ring drives the filter screen to rotate clockwise, the outer wall of the cavity cuts the surface of the filter screen, the large granular substances on the filter screen are cut down into the cavity through the opening, the cavity cleans the large granular substances on the filter screen and stores the large granular substances in the cavity, the filter screen can be cleaned in the spraying process, the spraying work does not need to be suspended to influence the working process, a large amount of working time is saved, and the working efficiency is improved, simultaneously large granular material stores in the cavity, simultaneously the existence of cavity has reduced the punishment in advance area of filter screen has improved the power of carrying of coating, when stopping the spraying, has reduced the possibility that large granular material accompanies in paint or the coating backward flow feedshoe, has reduced the concentration of large granular material in the feedshoe, when having slowed down the re-spraying greatly the jam speed of spray gun, the cavity with the connection can be dismantled to the inner wall of back pipe, only need after the spraying work is ended the spray tube is rotatory to be twisted out, will again the cavity tear out the washing can, easy operation, convenient to use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the front tube, the rear tube and the sleeve ring of the present invention;

fig. 3 shows a trigger according to the present invention. The structure schematic diagram of the thimble and the adjusting ball.

In the figure, 1 spray gun, 2 spray pipe, 3 front pipe, 4 rear pipe, 5 lantern rings, 6 hole grooves, 7 filter screens, 8 cavities, 9 openings, 10 flow channels, 11 feeding ports, 12 air inlets, 13 triggers, 14 inner cavities, 15 thimbles, 16 plugging heads, 17 adjusting balls, 18 grooves, 19 return springs and 20 atomizing nozzles.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the present invention provides an aircraft spraying device, including a spray gun 1 and a spray pipe 2, the spray pipe 2 is in threaded connection with a muzzle of the spray gun 1, the spray pipe 2 can be screwed out by rotating, so as to facilitate cleaning of the spray pipe 2, a front pipe 3 and a rear pipe 4 are arranged in the spray pipe 2, a sleeve ring 5 is arranged in the spray pipe 2, a hole groove 6 is arranged above the spray pipe 2, the sleeve ring 5 is communicated with the outside of the spray pipe 2 through the hole groove 6, the sleeve ring 5 is rotationally connected with the inner wall of the spray pipe 2, the front pipe 3 and the rear pipe 4 are communicated through the sleeve ring 5, the sleeve ring 5 is rotationally connected with the front pipe 3 and the rear pipe 4, the joint of the sleeve ring 5 and the front pipe 3 and the rear pipe 4 can improve the sealing performance through a sealing ring, the front pipe 3 and the rear pipe 4 are both fixedly connected with the inner wall of the spray pipe 2, the partial ring body of the lantern ring 5 is positioned on the outer side of the spray pipe 2, the lantern ring 5 can be controlled to rotate on the basis that the front pipe 3 and the rear pipe 4 are fixed through stirring by fingers, a filter screen 7 is arranged on the inner wall of the lantern ring 5, the filter screen 7 filters paint or coating, large granular substances are intercepted on the filter screen 7, a cavity 8 is arranged in the rear pipe 4, the cavity 8 is abutted to the filter screen 7, an opening 9 is formed in the top of the cavity 8, the top of the cavity 8 is open and the inside of the cavity is hollow, the cross section of the cavity 8 is a fan-shaped structure of one fourth of the cross section of the filter screen 7, the cavity 8 and the center of the filter screen 7 are located at the same position, when the large granular substances on the filter screen 7 are accumulated too much to cause blockage, the lantern ring 5 rotates clockwise through the outside, the outer wall of the cavity 8 cuts the surface of the filter screen 7, large granular substances on the filter screen 7 are cut down into the cavity 8 through the opening 9, the cavity 8 cleans the large granular substances on the filter screen 7 and stores the large granular substances in the cavity 8, the filter screen 7 can be cleaned in the spraying process, the spraying work is not required to be suspended to influence the working process, a large amount of working time is saved, the working efficiency is improved, meanwhile, the large granular substances are stored in the cavity 8, the material passing area of the filter screen 7 is reduced due to the existence of the cavity 8, the conveying power of the coating is improved, when the spraying is stopped, the possibility that the large granular substances flow back into a feeding barrel along with the paint or the coating is greatly reduced, the density of the large granular substances in the feeding barrel is reduced, and the blocking speed of the spray gun 1 is greatly slowed down during the re-spraying, the cavity 8 and the inner wall of the rear pipe 4 are detachably connected, the spray pipe 2 is rotated and screwed out after spraying operation is finished, and then the cavity 8 is disassembled and cleaned, so that the spraying device is simple to operate and convenient to use.

Specifically, 1 inside runner 10 that is equipped with of spray gun, 1 bottom of spray gun is equipped with pan feeding mouth 11, pan feeding mouth 11 with the bottom intercommunication of runner 10, runner 10 with back pipe 4 intercommunication, through 11 external feeding equipment of pan feeding mouth can be right spray gun 1 carries out the feed of paint or coating, and paint or coating passes through runner 10 gets into back pipe 4, passes through supply with after the filter screen 7 filters the front tube 3 carries out the spraying operation.

Specifically, the bottom of the spray gun 1 is provided with an air inlet 12, the air inlet 12 is located behind the feeding port 11, the air inlet 12 is communicated with the top of the flow channel 10, and the air inlet 12 adjusts air pressure entering the flow channel 10 through external air pumps and other pressurizing devices to apply power to paint or coating.

Specifically, 1 bottom of spray gun is equipped with trigger 13, trigger 13 is located the rear of air inlet 12, 10 rear of runner is equipped with inner chamber 14, inner chamber 14 is equipped with thimble assembly, thimble assembly with 14 sliding connection of inner chamber, thimble assembly passes runner 10 and with the inner wall sliding connection of runner 10, thimble assembly with pan feeding mouth 11 with air inlet 12 butt, trigger 13 passes spray gun 1 with thimble assembly connects, presses trigger 13, trigger 13 drives the thimble assembly to the rear of inner chamber 14 slides, pan feeding mouth 11 with air inlet 12 is opened, through runner 10 to paint and compressed air are carried to spray tube 2, the spraying work begins.

Specifically, the thimble assembly includes a thimble 15, a blocking head 16 is arranged at the end of the thimble 15, the blocking head 16 is located in the flow channel 10, the blocking head 16 abuts against the feed inlet 11 and the air inlet 12, an inner wall of the flow channel 10 is slidably connected, the blocking head 16 is arranged at the middle of the thimble 15 and is provided with an adjusting ball 17, a groove 18 is arranged at the upper end of the trigger 13, the trigger 13 is sleeved on the thimble 15 through the groove 18, the trigger 13 is located in front of the adjusting ball 17, the trigger 13 abuts against the adjusting ball 17, the tail end of the thimble 15 is connected with the inner cavity 14 through a return spring 19, the trigger 13 is pressed, the trigger 13 moves backwards to drive the adjusting ball 17 and the thimble 15 to move backwards, the thimble 15 drives the blocking head 16 to move backwards, the feed inlet 11 and the air inlet 12 are opened, paint and air can enter the flow channel 10, the trigger 13 is loosened, the reset spring 19 drives the ejector pin, the adjusting ball 17 and the blocking head 16 to move forwards, the adjusting ball 17 pushes the trigger 13 to reset forwards, and the blocking head 16 blocks the feeding port 11 and the air inlet 12 again to stop spraying.

Specifically, the exit of spray tube 2 is equipped with atomizer 20, through atomizer 20 sprays again after atomizing paint or coating, improves the homogeneity of spraying, atomizer 20 adopts current adjustable's atomizer 20, selects different mode according to the required spraying atomization effect of difference, improves the application scope and the practical function of this device greatly.

The working principle is as follows:

the utility model provides an aircraft spraying device, will the pan feeding mouth 11 inserts feeding equipment, will the air inlet 12 inserts the air pump, presses the trigger 13 and drives thimble 15 and shutoff head 16 move backward, opens pan feeding mouth 11 and air inlet 12, and coating passes through under the holding of atmospheric pressure runner 10 and gets into back tube 4, filter screen 7 is right the coating filters, and large granule material is intercepted on filter screen 7, when the large granule material on filter screen 7 piles up too much and causes the jam, through rotating clockwise from the outside lantern ring 5 drive filter screen 7 rotates, cavity 8 cuts the surface of filter screen 7, will the large granule material on the filter screen 7 through the opening 9 fall to inside cavity 8, filter screen 7 obtains timely clearance, closes external feeding equipment and air pump after the spraying work is over, the coating in the spray pipe 2 flows back into the charging bucket through the flow channel 10 again, the trigger 13 is loosened, the trigger 13, the ejector pin and the blocking head 16 are reset through the reset spring 19, the blocking head 16 blocks the feeding port 11 and the air inlet 12 again, after the feeding equipment and the air pump are removed, the spray pipe 2 is rotated and screwed out, and then the cavity 8 is detached and cleaned.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an aircraft spraying device, a serial communication port, including spray gun and spray tube, the spray tube with the muzzle department threaded connection of spray gun, be equipped with head tube and back tube in the spray tube, wear to be equipped with the lantern ring in the spray tube, the spray tube top is equipped with the hole groove, the lantern ring passes through the hole groove with the outside intercommunication of spray tube, the lantern ring with the inner wall of spray tube rotates to be connected, head tube and back tube pass through the lantern ring intercommunication, the lantern ring with head tube and back tube are rotation connection, lantern ring inner wall is equipped with the filter screen, be equipped with the cavity in the back tube, the cavity with the filter screen butt, the cavity top is equipped with the opening, the cavity with the connection can be dismantled to the inner wall of back tube.

2. An aircraft spraying device according to claim 1, wherein a flow passage is provided inside the spray gun, a feed inlet is provided at the bottom of the spray gun, the feed inlet is communicated with the bottom of the flow passage, and the flow passage is communicated with the rear pipe.

3. An aircraft spray coating device according to claim 2 wherein the spray gun is provided with an air inlet at its base, said air inlet being located rearwardly of said inlet opening, said air inlet communicating with the top of said flow passage.

4. An aircraft spraying device according to claim 3, wherein a trigger is arranged at the bottom of the spray gun and located behind the air inlet, an inner cavity is arranged behind the flow channel, an ejector pin assembly is arranged in the inner cavity and is slidably connected with the inner cavity, the ejector pin assembly penetrates through the flow channel and is slidably connected with the inner wall of the flow channel, the ejector pin assembly is abutted against the material inlet and the air inlet, and the trigger penetrates through the spray gun and is connected with the ejector pin assembly.

5. The aircraft spraying device according to claim 4, wherein the ejector pin assembly comprises an ejector pin, a blocking head is arranged at the end of the ejector pin and located in the flow passage, the blocking head is slidably connected with the inner wall of the flow passage, an adjusting ball is arranged in the middle of the ejector pin, a groove is formed in the upper end of the trigger, the trigger is sleeved on the ejector pin through the groove, the trigger is located in front of the adjusting ball and abutted against the adjusting ball, and the tail end of the ejector pin is connected with the inner cavity through a return spring.

6. An aircraft spray coating device according to claim 1 wherein an atomiser head is provided at the outlet of the nozzle.