CN112705389B

CN112705389B - Automatic paint spraying device for round pipe parts

Info

Publication number: CN112705389B
Application number: CN202011507885.6A
Authority: CN
Inventors: 丁雨; 苗百春; 冷芳; 姚世霖; 梁焕
Original assignee: Dalian Ocean University
Current assignee: Dalian Ocean University
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2022-03-22
Anticipated expiration: 2040-12-18
Also published as: CN112705389A

Abstract

The utility model provides an automatic paint spraying apparatus of pipe class spare part, box including the rectangle, the right-hand member has the piston cylinder in the box, piston cylinder left end face has first through-hole, square pipe of connection in the first through-hole, square pipe is gone up and is had first cavity, there is the second drum the box outside, the third drum is connected to the second drum, there is the sixth through-hole third drum outer end, connect the second pivot in the sixth through-hole, first cavity left end intercommunication paint spraying apparatus, first cavity can provide paint for paint spraying apparatus, square pipe left end and first confession lacquer union coupling. The invention solves the problem that the paint spraying is difficult inside the slender circular tube, so that the slender circular tube can also have the function of internal corrosion prevention in the using process, meanwhile, the first paint supply tube is pulled by manpower in the paint spraying process, so that the paint spraying power of the device is provided, the device does not need to be connected with an external power supply when in field paint spraying, and the thickness and the speed of the paint spraying can be controlled according to the corrosion prevention requirement by adjusting the angle between the second rotating shaft and the length direction of the circular tube.

Description

Automatic paint spraying device for round pipe parts

Technical Field

The invention belongs to the field of circular tube paint spraying devices, and particularly relates to an automatic paint spraying device for circular tube parts.

Background

Many times, because anticorrosive demand, we need to carry out the paint spraying to the inside of pipe, but if need carry out inside paint spraying to slender pipe, it can't accomplish inside paint spraying work to reuse traditional paint spraying apparatus again, so it is urgent need to have a device that can carry out inside paint spraying to slender pipe.

Disclosure of Invention

The invention provides an automatic paint spraying device for round pipe parts, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

an automatic paint spraying device for round pipe parts comprises a rectangular box body, wherein a piston cylinder is arranged at the right end in the box body, the open end of the piston cylinder is fixedly connected with the right end face in the box body in a sealing manner, a first through hole is formed in the left end face of the piston cylinder, a left piston and a right piston are installed in the piston cylinder in a matched manner, a square pipe is connected in the first through hole in an inserting manner, the right end of the square pipe is fixedly connected with the piston in a sealing manner, the left end face of the piston is fixedly connected with the left end of the piston cylinder through a first spring, a second through hole is formed in the left side face of the piston and corresponds to the square pipe, a first check valve is installed in the second through hole in a matched manner, a plurality of third through holes which are uniformly distributed in an annular manner are formed in the circumferential side face of the piston and correspond to the right side of the piston, second check valves are installed in the third through holes in a matched manner, first cavities which correspond to the third through hoses and are communicated with the right end of the corresponding first cavities, and fourth through holes are formed in the corresponding to the four side faces of the upper side face, the upper side face and the lower side of the box body, the square tubes are fixedly connected with rectangular plates corresponding to the fourth through holes, the four rectangular plates are all vertical to the left and right sides of the box body, the rectangular plates are all vertical to corresponding sides of the upper, lower, front and rear sides of the box body, racks are fixedly arranged on the sides of the rectangular plates close to the corresponding fourth through holes, first cylinders are arranged between the rectangular plates and the corresponding fourth through holes, the axes of the first cylinders are vertical to the surfaces of the corresponding rectangular plates, first rotating shafts are rotatably connected in the first cylinders through bearings, first ratchets are fixedly arranged on the first rotating shafts corresponding to the first cylinders, the inner sides of the first cylinders are hinged and connected with the first ratchets corresponding to the first ratchets, first torsional springs are arranged on the hinged positions in a matched mode, the first ratchets are matched with the first ratchets, the outer side surfaces of the first cylinders are fixedly provided with gear rings and wire wheels, the gear rings are meshed with the corresponding racks, elastic ropes are wound on the wire wheels, and one ends of the elastic ropes are fixedly connected with the wire wheels, the other end of the elastic rope is fixedly connected with the left end face in the box body, the adjacent ends of the adjacent first rotating shafts are rotatably connected through the same L-shaped support, the L-shaped supports are fixedly connected with the box body, a first bevel gear is installed on the first rotating shaft in a matched mode, a telescopic transmission shaft is arranged in a fourth through hole, a second bevel gear is fixedly installed at one end of the telescopic transmission shaft, the first bevel gear is meshed with the second bevel gear, a second cylinder is arranged at the outer side of the box body corresponding to the fourth through hole, a third cylinder is connected in an inserted mode in the second cylinder, the second cylinder and the third cylinder are coaxial with the corresponding fourth through hole, one end, close to the box body, of the third cylinder is fixedly connected with the inner side face of the second cylinder through a second spring, a lantern ring is fixedly installed at the outer side of the second cylinder, the lantern ring is in contact fit with the corresponding side face of the box body, a plurality of fifth through holes which are uniformly distributed in an annular mode are formed in the side face, corresponding to the lantern ring, threaded blind holes are formed in the corresponding to the fifth through holes in the side face of the box body, a bolt is inserted and connected in the fifth through hole, the bolt is matched with the corresponding threaded blind hole, the inner side surface of the second cylinder is provided with a guide groove along the length direction, a slide block is matched and installed in the guide groove and fixedly connected with the corresponding third cylinder, the outer end of the third cylinder is provided with a sixth through hole which penetrates along the diameter direction, the sixth through hole is rotatably connected with the same second rotating shaft, the other end of the telescopic transmission shaft is fixedly provided with a third bevel gear, the second rotating shaft is fixedly provided with a fourth bevel gear, the third bevel gear is meshed with the fourth bevel gear, two ends of the second rotating shaft are fixedly provided with anti-skid rollers, the second rotating shaft is sleeved with a fourth cylinder which is fixedly connected with the third cylinder, a second ratchet wheel is fixedly installed at the position of the second rotating shaft corresponding to the fourth cylinder, the inner side surface of the fourth cylinder is hinged and connected with a plurality of second ratchets, a second torsion spring is installed at the hinged position, and the second ratchet wheel is matched with the second cylinder, the seventh through-hole is seted up to the left end face corresponding side pipe department in the box, side pipe left end and seventh through-hole plug-in connection, first cavity left end intercommunication has paint spraying apparatus, first cavity can provide paint for paint spraying apparatus, side pipe left end passes through rotary joint and is connected with first confession lacquer pipe seal demountable, telescopic transmission shaft pot head has first annular plate, first annular plate inner circle rotates with telescopic transmission shaft to be connected, first annular plate outer lane and second drum medial surface fixed connection, telescopic transmission shaft pot head has the second annular plate, second annular plate inner circle rotates with telescopic transmission shaft to be connected, second annular plate outer lane and third drum medial surface fixed connection.

As above automatic paint spraying apparatus of pipe class spare part, first confession lacquer pipe coil on the runner, the runner both ends are rotated and are connected the stand, the side that a stand is connected with the runner corresponds the axis department of runner and sets up the twelfth through-hole, rotate in the twelfth through-hole and connect the third pivot, third pivot one end and runner fixed connection, the first spur gear of third pivot other end fixed mounting, the side fixed mounting motor of runner is kept away from to a stand, fixed mounting second spur gear on the motor output shaft, first spur gear and second spur gear meshing.

The automatic paint spraying device for round pipe parts comprises a rotating wheel, a first blind hole is formed in the circumferential side surface of the rotating wheel, a second blind hole is formed in the side surface, connected with a stand column, of the rotating wheel, the first blind hole is communicated with the second blind hole, the second blind hole and the rotating wheel are coaxial, a ninth through hole is formed in the side surface, connected with the rotating wheel, of the stand column, corresponding to the second blind hole, an air supply pipe is sleeved outside the first paint supply pipe, a plurality of uniformly distributed vent holes are formed in the outer side surface of the air supply pipe, one end of the first paint supply pipe and one end of the air supply pipe penetrate through the first blind hole and are inserted into the second blind hole, a sealed box body is fixedly connected to the outer end of the ninth through hole, a tenth through hole is formed in the side surface, close to the stand column, of the box body, corresponding to the ninth through hole, an eleventh through hole is formed in the side surface, far away from the stand column, a first hard pipe and a second hard pipe are arranged in the ninth through hole, the second hard tube sleeve is arranged on the outer side of the first hard tube and coaxial with the center, one end of the first hard tube is fixedly connected with one end of the first paint supply tube in a sealing mode, the other end of the first hard tube is rotatably connected with the eleventh through hole in a sealing mode, one end of the second hard tube is fixedly connected with one end of the air supply tube in a sealing mode, the other end of the air supply tube is sealed, the other end of the second hard tube is rotatably connected with the tenth through hole in a sealing mode, an air pump is fixedly mounted on one stand column and communicated with the box body through the air tube, and the outer end of the eleventh through hole is fixedly connected with the second paint supply tube.

As above automatic paint spraying apparatus of pipe class spare part, paint spraying apparatus include the annular piece, square outside of the tube left end fixed mounting annular piece, set up annular second cavity around square tube in the annular piece, first cavity left end and second cavity intercommunication, set up the eighth through-hole of a plurality of annular equipartitions on the circumference side of second cavity, the circumference side of annular piece corresponds the equal sealed fixed connection L type pipe of eighth through-hole department, the cooperation is installed a plurality of paint shower nozzles on the L type pipe.

According to the automatic paint spraying device for the round pipe parts, the elastic telescopic rods are fixedly arranged on the right sides of the upper side, the lower side, the front side and the rear side of the box body, correspond to the second cylinder, and the movable ends of the elastic telescopic rods are connected with the universal wheels in a rotating mode.

The invention has the advantages that: when the paint spraying device works, the bolt is firstly unscrewed, the positions of the second cylinder and the third cylinder are adjusted, so that the angle between the second rotating shaft and the round pipe in the length direction is adjusted (for example, the angle is adjusted to be 45 degrees as shown in figure 6), then the bolt is screwed, then the third cylinder is extruded into the second cylinder, the second spring is compressed, one end of the device connected with the first paint supply pipe faces outwards and is placed into the round pipe, under the action of the second spring, the roller can tightly abut against the inner side surface of the round pipe and generate higher friction force, under the action of the sliding block and the guide groove, the second cylinder and the third cylinder cannot relatively rotate, then the first paint supply pipe is pulled, under the action of the second ratchet wheel and the second ratchet wheel, the second rotating shaft and the roller cannot rotate, the box body can stop in the round pipe, so that the square pipe and the piston move leftwards, the pressure on the right side of the piston in the piston cylinder is reduced, and paint in the first paint supply pipe can pass through the square pipe, The second through hole and the first check valve are sucked into the piston cylinder, the first spring is compressed, when the square tube moves leftwards, the rectangular plate and the rack also move leftwards, the gear ring drives the first cylinder and the wire wheel to rotate, the first rotating shaft cannot rotate under the action of the first ratchet wheel and the first ratchet, the elastic rope can be stretched and wound on the wire wheel, then the pulling force on the first paint supply tube is reduced, under the action of the elastic rope, the wire wheel, the first cylinder and the gear ring rotate reversely, under the action of the rack, the rectangular plate can move rightwards, the square tube, the piston and the first paint supply tube are driven to move rightwards relative to the piston cylinder, the first spring contracts, so that the paint in the piston cylinder is extruded, the paint in the piston cylinder can enter the paint spraying device through the third through hole, the second check valve and the first cavity, the paint is sprayed on the inner side of the circular tube by the paint spraying device, when the wire wheel rotates reversely, under the action of the first ratchet wheel and the first ratchet, the first rotating shaft and the first bevel gear are driven to rotate by the first cylinder, under the matching action of the first bevel gear and the second bevel gear, the telescopic transmission shaft rotates, through the transmission of the third bevel gear and the fourth bevel gear and the action of the second ratchet wheel and the second ratchet, the second rotating shaft rotates, the roller rolls, so that the device spirally rotates and advances in the circular pipe, meanwhile, the paint spraying device also spirally rotates and advances in the circular pipe, so that paint is uniformly sprayed on the inner side of the circular pipe, the first paint supply pipe is always in a tensioned state in the process, the circular operation is carried out according to the above, the paint spraying can be carried out on the inner part of the circular pipe, after the device moves to the other end of the circular pipe, the paint spraying is completed, the device is taken out of the circular pipe, the first paint supply pipe is detached from the device, and then the first paint supply pipe is supported at the two ends of the circular pipe, the first paint supply pipe is straightened so as to avoid influencing the paint sprayed inside the round pipe, and then the device can replace the first paint supply pipe to spray paint on other round pipes; the invention solves the problem that the paint is difficult to spray inside the slender circular tube, so that the slender circular tube can also have the function of internal corrosion prevention in the using process, the service life of the slender circular tube is prolonged, meanwhile, the first paint supply tube is pulled by manpower in the paint spraying process, so that the paint spraying power of the device is provided, so that the device does not need to be connected with an external power supply when in field paint spraying, the use is convenient, and the convenience of the circular tube paint spraying is improved, in addition, the invention can also adjust the angle between the second rotating shaft and the length direction of the circular tube, the larger the included angle is, the faster the speed of the device in the length direction in the circular tube is, the thinner the paint spraying thickness is, the faster the paint spraying speed is, the smaller the included angle is, the slower the speed of the device in the length direction in the circular tube is, the thicker the paint spraying thickness is, the paint spraying speed is slowed down, so that the paint spraying thickness and the speed can be controlled according to the corrosion prevention requirement, so that the paint spraying cost can be saved, the paint spraying time can be effectively shortened, and the paint spraying efficiency of the round pipe is improved.

Drawings

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

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view taken along line A of FIG. 1; FIG. 3 is a schematic structural view of the rotor; FIG. 4 is an enlarged view of a portion I of FIG. 1; FIG. 5 is a partial enlarged view of section II of FIG. 2; fig. 6 is a state diagram of the present invention in use.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An automatic paint spraying device for round pipe parts comprises a rectangular box body 1, a piston cylinder 2 is arranged at the inner right end of the box body 1, the open end of the piston cylinder 2 is fixedly connected with the inner right end face of the box body 1 in a sealing manner, a first through hole 3 is formed in the left end face of the piston cylinder 2, a left piston 4 and a right piston 4 are installed in the piston cylinder 2 in a matching manner, a square pipe 5 is connected in the first through hole 3 in an inserting manner, the right end of the square pipe 5 is fixedly connected with the piston 4 in a sealing manner, the left end face of the piston 4 is fixedly connected with the left end face of the piston cylinder 2 through a first spring, a second through hole 6 is formed in the position, corresponding to the square pipe 5, of the left side face of the piston 4, a first check valve 7 is installed in the second through hole 6 in a matching manner, a plurality of third through holes 8 which are uniformly distributed in an annular manner are formed in the circumferential side face of the piston cylinder 2, second check valves 9 are installed in the positions of the third through holes 8 in a matching manner, first cavity 10 corresponding to the third through holes 8 one to one is formed in the square pipe 5, the third through holes 8 are communicated with the right end of the corresponding first cavity 10 through hoses 11, the square pipes 5 corresponding to the upper, lower, front and rear sides of the box body 1 are provided with fourth through holes 12, the square pipes 5 corresponding to the fourth through holes 12 are fixedly connected with rectangular plates 13, the four rectangular plates 13 are perpendicular to the left and right sides of the box body 1, the rectangular plates 13 are perpendicular to the corresponding sides of the upper, lower, front and rear sides of the box body 1, the sides of the rectangular plates 13 close to the corresponding fourth through holes 12 are fixedly provided with racks 14, first cylinders 15 are arranged between the rectangular plates 13 and the corresponding fourth through holes 12, the axes of the first cylinders 15 are perpendicular to the surfaces of the corresponding rectangular plates 13, the first cylinders 15 are rotatably connected with first rotating shafts 16 through bearings, the first ratchets 17 are fixedly arranged at the positions of the first rotating shafts 16 corresponding to the first cylinders 15, the first ratchets 18 are hinged and connected to the inner sides of the first cylinders 15 corresponding to the first ratchets 17, the hinged part is matched and provided with a first torsion spring, a first ratchet wheel 17 is matched with a first ratchet 18, the outer side surface of a first cylinder 15 is fixedly provided with a gear ring 19 and a wire wheel 20, the gear ring 19 is meshed with a corresponding rack 14, an elastic rope 33 is wound on the wire wheel 20, one end of the elastic rope 33 is fixedly connected with the wire wheel 20, the other end of the elastic rope 20 is fixedly connected with the left end surface in the box body 1, the adjacent ends of adjacent first rotating shafts 16 are rotatably connected through a same L-shaped support 21, the L-shaped supports 21 are fixedly connected with the box body 1, the first rotating shafts 16 are matched and provided with first bevel gears 22, fourth through holes 12 are provided with telescopic transmission shafts 23, one ends of the telescopic transmission shafts 23 are fixedly provided with second bevel gears 24, the first bevel gears 22 are meshed with the second bevel gears 24, the outer side of the box body 1 corresponding to the fourth through holes 12 are provided with second cylinders 25, the second cylinders 25 are connected with third cylinders 26 in an inserting way, the second cylinder 25 and the third cylinder 26 are coaxial with the corresponding fourth through hole 12, one end of the third cylinder 26 close to the box body 1 is fixedly connected with the inner side surface of the second cylinder 25 through a second spring, a lantern ring 27 is fixedly installed on the outer side of the second cylinder 25, the lantern ring 27 is in contact fit with the corresponding side surface of the box body 1, a plurality of fifth through holes 28 which are uniformly distributed in a ring shape are formed on the side surface of the lantern ring 27 in contact with the box body 1, threaded blind holes 29 are formed on the side surface of the box body 1 corresponding to the fifth through holes 28, bolts 30 are inserted into the fifth through holes 28, the bolts 30 are matched with the corresponding threaded blind holes 29, a guide groove 31 along the length direction is formed on the inner side surface of the second cylinder 25, a slide block 32 is installed in the guide groove 31 in a matching manner, the slide block 32 is fixedly connected with the corresponding third cylinder 26, a sixth through hole 34 which penetrates along the diameter direction is formed on the outer end of the third cylinder 26, the same second rotating shaft 35 is rotatably connected in the sixth through hole 34, a third bevel gear 36 is fixedly arranged at the other end of the telescopic transmission shaft 23, a fourth bevel gear 37 is fixedly arranged on the second rotating shaft 35, the third bevel gear 36 is meshed with the fourth bevel gear 37, anti-skid rollers 38 are fixedly arranged at both ends of the second rotating shaft 35, a fourth cylinder 39 is sleeved on the second rotating shaft 35, the fourth cylinder 39 is fixedly connected with the third cylinder 26, a second ratchet wheel 40 is fixedly arranged at the position of the second rotating shaft 35 corresponding to the fourth cylinder 39, a plurality of second ratchet teeth 41 are hinged and connected with the inner side surface of the fourth cylinder 39, a second torsion spring is arranged at the hinged position, the second ratchet wheel 40 is matched with the second ratchet teeth 41, a seventh through hole 42 is arranged at the position of the left end surface of the box body 1 corresponding to the square pipe 5, the left end of the square pipe 5 is spliced and connected with the seventh through hole 42, a paint spraying device 80 is communicated with the left end of the first cavity body 10, the first cavity body 10 can provide paint for the paint spraying device 80, the left end of the square pipe 5 is detachably connected with the first paint supply pipe 48 through a rotary joint in a sealing manner, one end of the telescopic transmission shaft 23 is sleeved with a first annular plate 70, the inner ring of the first annular plate 70 is rotatably connected with the telescopic transmission shaft 23, the outer ring of the first annular plate 70 is fixedly connected with the inner side surface of the second cylinder 25, the other end of the telescopic transmission shaft 23 is sleeved with a second annular plate 71, the inner ring of the second annular plate 71 is rotatably connected with the telescopic transmission shaft 23, and the outer ring of the second annular plate 71 is fixedly connected with the inner side surface of the third cylinder 26. When the invention works, firstly the bolt 30 is unscrewed, the positions of the second cylinder 25 and the third cylinder 26 are adjusted, so that the angle between the second rotating shaft 35 and the length direction of the round tube is adjusted (for example, the angle is adjusted to 45 degrees as shown in figure 6), then the bolt 30 is screwed, then the third cylinder 26 is extruded into the second cylinder 25, the second spring is compressed, one end of the device connected with the first paint supply tube 48 is outwards put into the round tube, under the action of the second spring, the roller 38 can be tightly pressed against the inner side surface of the round tube and generate higher friction force, under the action of the sliding block 32 and the guide groove 31, the second cylinder 25 and the third cylinder 26 can not relatively rotate, then the first paint supply tube 48 is pulled, under the action of the second ratchet 40 and the second ratchet 41, the second rotating shaft 35 and the roller 38 can not rotate, the box body 1 can be stopped in the round tube, so that the square tube 5 and the piston 4 move leftwards, the pressure on the right side of the piston 4 in the piston cylinder 2 is reduced, paint in the first paint supply pipe 48 is sucked into the piston cylinder 2 through the square pipe 5, the second through hole 6 and the first check valve 7, the first spring is compressed, when the square pipe 5 moves leftwards, the rectangular plate 5 and the rack 14 also move leftwards, the gear ring 19 drives the first cylinder 15 and the reel 20 to rotate, under the action of the first ratchet wheel 17 and the first ratchet 18, the first rotating shaft 16 cannot rotate, the elastic rope 33 can be stretched and wound on the reel 20, then the pulling force on the first paint supply pipe 48 is reduced, under the action of the elastic rope 33, the reel 20, the first cylinder 15 and the gear ring 19 rotate reversely, under the action of the rack 14, the rectangular plate 13 can move rightwards, the square pipe 5, the piston 4 and the first paint supply pipe 48 are driven to move rightwards relative to the piston cylinder 2, the first spring is contracted, so that the paint in the piston cylinder 2 is extruded, the paint in the piston cylinder 2 enters the paint spraying device 80 through the third through hole 8, the second check valve 9 and the first cavity 10, the paint is sprayed on the inner side of the circular tube by the paint spraying device 80, the first rotating shaft 16 and the first bevel gear 22 are driven to rotate through the first cylinder 15 under the action of the first ratchet wheel 17 and the first ratchet 18 when the wire wheel 20 rotates reversely, the telescopic transmission shaft 23 rotates under the matching action of the first bevel gear 22 and the second bevel gear 24, the second rotating shaft 35 rotates under the action of the third bevel gear 36 and the fourth bevel gear 37 and the action of the second ratchet wheel 40 and the second ratchet 41, the roller 38 rolls, so that the device rotates spirally and advances in the circular tube, meanwhile, the paint spraying device 80 also rotates spirally and advances in the circular tube, so that the paint is uniformly sprayed on the inner side of the circular tube, and the first paint supply tube 48 is always tensioned during the process, the circular pipe can be painted by the aid of the circular operation, when the device moves to the other end of the circular pipe, the painting is finished, the device is taken out of the circular pipe, the first paint supply pipe 48 is detached from the device, the first paint supply pipe 48 is supported at two ends of the circular pipe, the first paint supply pipe 48 is straightened, paint sprayed inside the circular pipe is prevented from being affected, and the device can be used for replacing the first paint supply pipe 48 to paint other circular pipes; the invention solves the problem of difficult paint spraying inside the slender circular tube, so that the slender circular tube can also have the function of internal corrosion prevention in the using process, the service life of the slender circular tube is prolonged, meanwhile, the invention adopts manpower to pull the first paint supply tube 48 in the paint spraying process, thereby providing the paint spraying power of the device, so that the device does not need to be connected with an external power supply when in field paint spraying, the use is convenient, and the convenience of the circular tube paint spraying is improved, and the invention can also adjust the angle between the second rotating shaft 35 and the length direction of the circular tube, the larger the included angle is, the faster the speed of the device in the length direction in the circular tube is, the thinner the paint spraying thickness is, the faster the paint spraying speed is, the smaller the included angle is, the slower the speed of the device in the length direction in the circular tube is, the thicker the paint spraying thickness is, the paint spraying speed is slowed down, thereby the paint spraying thickness and the speed can be controlled according to the corrosion prevention requirement, thereby not only saving the paint spraying cost, the paint spraying time can be effectively shortened, and the paint spraying efficiency of the round pipe is improved.

Specifically, as shown in the drawing, the first paint supplying pipe 48 according to the embodiment is wound on the rotating wheel 49, two ends of the rotating wheel 49 are rotatably connected with the upright post 50, a twelfth through hole 72 is formed in a side surface of the upright post 50 connected with the rotating wheel 49, which corresponds to an axis of the rotating wheel 49, a third rotating shaft 73 is rotatably connected in the twelfth through hole 72, one end of the third rotating shaft is fixedly connected with the rotating wheel 49, a first straight gear 74 is fixedly installed at the other end of the third rotating shaft 73, a motor 75 is fixedly installed on a side surface of the upright post 50 away from the rotating wheel 49, a second straight gear 76 is fixedly installed on an output shaft of the motor 75, and the first straight gear 74 is meshed with the second straight gear 76. The during operation of motor 75, through second spur gear 76, first spur gear 74, the transmission of third pivot 73, it rotates to drive runner 49, thereby can replace the manpower with first confession lacquer pipe 48 back pulling, later 75 reversals of motor will be first confession lacquer pipe 48 toward the intraductal transport of circle, first confession lacquer pipe 48 of this in-process remains throughout by taut state, make first confession lacquer pipe 48 can not hang down naturally and touch the paint in the circle, with this cycle work, the manpower has been saved, the work efficiency of the spray painter has been improved, and runner 49 can also deposit first confession lacquer pipe 48, the convenience of device has been improved.

Specifically, as shown in the figures, a first blind hole 51 is formed on a circumferential side surface of the rotating wheel 49 according to the embodiment, a second blind hole 52 is formed on a side surface of the rotating wheel 49 connected to a vertical column 50, the first blind hole 51 is communicated with the second blind hole 52, the second blind hole 52 is coaxial with the rotating wheel 49, a ninth through hole 53 is formed at a position, corresponding to the second blind hole 52, of a side surface of the vertical column 50 connected to the rotating wheel 49, an air supply pipe 54 is sleeved outside the first paint supply pipe 48, a plurality of uniformly distributed vent holes 55 are formed on an outer side surface of the air supply pipe 54, one end of the first paint supply pipe 48 and one end of the air supply pipe 54 both penetrate through the first blind hole 51 and are inserted into the second blind hole 52, a sealed box body 56 is fixedly connected at an outer end of the vertical column 50 corresponding to the ninth through hole 53, a tenth through hole 57 is formed at a position, corresponding to the side surface of the box body 56 close to the vertical column 50, an eleventh through hole 58 is formed at a position, corresponding to the side surface of the box body 56 far away from the vertical column 50 corresponding to the ninth through hole 53, set up first hard tube 59 in the ninth through-hole 53, second hard tube 60 cover is in first hard tube 59 outside and with the axle center, first hard tube 59 one end and the sealed fixed connection of first confession lacquer pipe 48 one end, the sealed rotation of first hard tube 59 other end and eleventh through-hole 58 is connected, second hard tube 60 one end and the sealed fixed connection of air supply pipe 54 one end, the air supply pipe 54 other end is sealed, the second hard tube 60 other end and the sealed rotation of tenth through-hole 57 are connected, fixed mounting has air pump 61 on a stand 50, air pump 61 passes through trachea 62 and box body 56 intercommunication, eleventh through-hole 58 outer end fixed connection second confession lacquer pipe 63. The device is when spraying paint in the geminate transistors, need incessantly insert first confession lacquer pipe 48 and air supply pipe 54 in the pipe, thereby runner 49 needs rotate, when runner 49 rotates, first confession lacquer pipe 48 one end and air supply pipe 54 one end also can rotate, thereby make first hard tube 59 and second hard tube 60 rotate, paint can be through second confession lacquer pipe 63 this moment, eleventh through-hole 58, first hard tube 59 gets into first confession lacquer pipe 48, in the paint spraying process, first confession lacquer pipe 48 and the air supply pipe 54 that is arranged in the pipe can be straightened and hang at the pipe inboardly, air pump 61 supplies air to air supply pipe 54 this moment, the air can pass through box body 56, second hard tube 60, air supply pipe 54, air vent 55 blowout, thereby can blow to the position of having sprayed paint in the pipe, the solidification rate of paint is accelerated, the efficiency of spraying paint is improved.

Further, as shown in the figure, the paint spraying device 80 described in this embodiment includes a ring block 81, the ring block 81 is fixedly installed at the left end of the outer side of the square pipe 5, an annular second cavity 82 is formed in the ring block 81 around the square pipe 5, the left end of the first cavity 10 is communicated with the second cavity 82, a plurality of eighth through holes 83 uniformly distributed in an annular shape are formed in the circumferential side surface of the second cavity 82, the circumferential side surface of the ring block 81 corresponds to the eighth through holes 83 and is fixedly connected with the L-shaped pipe 84 in a sealing manner, and a plurality of paint spray heads 85 are installed on the L-shaped pipe 84 in a matching manner. When spraying paint, paint can enter into second cavity 82 from first cavity 10 in, later reachs the paint shower nozzle through eighth through-hole 83, L type pipe 84 again to can spout paint inboard at the pipe, when spraying paint again, paint spraying apparatus 80 still can rotate along with square pipe 5, thereby can evenly spray paint to the pipe inboard, has improved the effect of spraying paint.

Furthermore, as shown in the figure, the elastic telescopic rods 77 are fixedly installed on the right sides of the upper, lower, front, and rear sides of the box body 1 corresponding to the second cylinder 25, and the movable ends of the elastic telescopic rods 77 are rotatably connected with the universal wheels 78. The universal wheels 78 can support the device in the circular tube, so that the device is more stable when working in the circular tube, and the working stability of the device is improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an automatic paint spraying apparatus of pipe class spare part which characterized in that: comprises a rectangular box body (1), a piston cylinder (2) is arranged at the inner right end of the box body (1), the open end of the piston cylinder (2) is fixedly connected with the inner right end surface of the box body (1) in a sealing manner, a first through hole (3) is formed in the left end surface of the piston cylinder (2), a piston (4) moving left and right is arranged in the piston cylinder (2) in a matching manner, a square pipe (5) is spliced in the first through hole (3), the right end of the square pipe (5) is fixedly connected with the piston (4) in a sealing manner, the left end surface of the piston (4) is fixedly connected with the left end of the piston cylinder (2) through a first spring, a second through hole (6) is formed in the left side surface of the piston (4) corresponding to the square pipe (5), a first check valve (7) is arranged in the second through hole (6) in a matching manner, a plurality of third through holes (8) uniformly distributed in an annular manner are formed in the circumferential side surface of the piston cylinder (2) corresponding to the right side surface of the piston (4), and second check valves (9) are arranged in a matching manner, the square tube (5) is provided with first cavities (10) which are in one-to-one correspondence with the third through holes (8), the third through holes (8) are communicated with the right end of the corresponding first cavity (10) through hoses (11), the square tube (5) is provided with fourth through holes (12) at positions corresponding to the square tube (5) at the upper, lower, front and rear sides of the box body (1), the square tube (5) is fixedly connected with rectangular plates (13) at positions corresponding to the fourth through holes (12), the four rectangular plates (13) are vertical to the left and right sides of the box body (1), the rectangular plates (13) are vertical to the corresponding sides of the upper, lower, front and rear sides of the box body (1), racks (14) are fixedly arranged on the sides of the rectangular plates (13) close to the corresponding fourth through holes (12), first cylinders (15) are arranged between the rectangular plates (13) and the corresponding fourth through holes (12), the axes of the first cylinders (15) are vertical to the surfaces of the corresponding rectangular plates (13), the first rotating shafts (16) are rotatably connected in the first cylinders (15) through bearings, first ratchet wheels (17) are fixedly arranged at positions, corresponding to the first cylinders (15), of the first rotating shafts (16), first ratchet wheels (18) are hinged at positions, corresponding to the first ratchet wheels (17), of the inner sides of the first cylinders (15), first torsion springs are arranged at the hinged positions in a matched mode, the first ratchet wheels (17) are matched with the first ratchet wheels (18), gear rings (19) and wire wheels (20) are fixedly arranged on the outer side faces of the first cylinders (15), the gear rings (19) are meshed with corresponding racks (14), elastic ropes (33) are wound on the wire wheels (20), one ends of the elastic ropes (33) are fixedly connected with the wire wheels (20), the other ends of the elastic ropes (20) are fixedly connected with the inner left end face of the box body (1), adjacent ends of the first rotating shafts (16) are rotatably connected through the same L-shaped support (21), and the L-shaped support (21) are fixedly connected with the box body (1), a first bevel gear (22) is installed on the first rotating shaft (16) in a matching mode, a telescopic transmission shaft (23) is arranged in the fourth through hole (12), a second bevel gear (24) is fixedly installed at one end of the telescopic transmission shaft (23), the first bevel gear (22) is meshed with the second bevel gear (24), second cylinders (25) are arranged on the outer side of the box body (1) corresponding to the fourth through hole (12), third cylinders (26) are connected in an inserting mode in the second cylinders (25), the second cylinders (25) and the third cylinders (26) are coaxial with the corresponding fourth through holes (12), one end, close to the box body (1), of each third cylinder (26) is fixedly connected with the inner side face of each second cylinder (25) through a second spring, lantern rings (27) are fixedly installed on the outer side of each second cylinder (25), the lantern rings (27) are matched with the corresponding side faces of the box body (1) in a contacting mode, and a plurality of annular and uniformly distributed fifth through holes (28) are formed in the side faces, where the lantern rings (27) are contacted with the box body (1), the side surface of the box body (1) corresponding to the lantern ring (27) is provided with a threaded blind hole (29) corresponding to the fifth through hole (28), a bolt (30) is inserted and connected in the fifth through hole (28), the bolt (30) is matched with the corresponding threaded blind hole (29), the inner side surface of the second cylinder (25) is provided with a guide groove (31) along the length direction, a slide block (32) is installed in the guide groove (31) in a matching way, the slide block (32) is fixedly connected with a corresponding third cylinder (26), the outer end of the third cylinder (26) is provided with a sixth through hole (34) penetrating along the diameter direction, the sixth through hole (34) is rotatably connected with the same second rotating shaft (35), the other end of the telescopic transmission shaft (23) is fixedly provided with a third bevel gear (36), the second rotating shaft (35) is fixedly provided with a fourth bevel gear (37), the third bevel gear (36) is engaged with the fourth bevel gear (37), and the two ends of the second rotating shaft (35) are fixedly provided with anti-skid rollers (38), a fourth cylinder (39) is sleeved on the second rotating shaft (35), the fourth cylinder (39) is fixedly connected with the third cylinder (26), a second ratchet wheel (40) is fixedly installed at the position, corresponding to the fourth cylinder (39), of the second rotating shaft (35), the inner side surface of the fourth cylinder (39) is hinged with a plurality of second ratchet teeth (41), a second torsion spring is installed at the hinged position, the second ratchet wheel (40) is matched with the second ratchet teeth (41), a seventh through hole (42) is formed in the position, corresponding to the square pipe (5), of the left end surface in the box body (1), the left end of the square pipe (5) is connected with the seventh through hole (42) in an inserting mode, a paint spraying device (80) is communicated with the left end of the first cavity (10), the first cavity (10) can provide paint for the paint spraying device (80), the left end of the square pipe (5) is connected with the first paint supplying pipe (48) in a sealing and detachable mode through a rotating joint, a first annular plate (70) is sleeved at one end of the telescopic transmission shaft (23), the inner ring of the first annular plate (70) is rotatably connected with the telescopic transmission shaft (23), the outer ring of the first annular plate (70) is fixedly connected with the inner side face of the second cylinder (25), the other end of the telescopic transmission shaft (23) is sleeved with a second annular plate (71), the inner ring of the second annular plate (71) is rotatably connected with the telescopic transmission shaft (23), and the outer ring of the second annular plate (71) is fixedly connected with the inner side face of the third cylinder (26).

2. The automatic painting device for round pipe parts according to claim 1, characterized in that: first confession lacquer pipe (48) convolute on runner (49), runner (49) both ends are rotated and are connected stand (50), the axis department that the side that stand (50) and runner (49) are connected corresponds runner (49) sets up twelfth through-hole (72), rotation connection third pivot (73) in twelfth through-hole (72), third pivot one end and runner (49) fixed connection, third pivot (73) other end fixed mounting first spur gear (74), side fixed mounting motor (75) of runner (49) are kept away from in stand (50), fixed mounting second spur gear (76) on motor (75) output shaft, first spur gear (74) and second spur gear (76) meshing.

3. The automatic painting device for round pipe parts according to claim 2, characterized in that: the side surface of the circumference of the rotating wheel (49) is provided with a first blind hole (51), the side surface of the rotating wheel (49) connected with an upright post (50) is provided with a second blind hole (52), the first blind hole (51) is communicated with the second blind hole (52), the second blind hole (52) is coaxial with the rotating wheel (49), the side surface of the upright post (50) connected with the rotating wheel (49) is provided with a ninth through hole (53) corresponding to the second blind hole (52), the outer side of the first paint supply pipe (48) is sleeved with an air supply pipe (54), the outer side surface of the air supply pipe (54) is provided with a plurality of uniformly distributed vent holes (55), one end of the first paint supply pipe (48) and one end of the air supply pipe (54) both penetrate through the first blind hole (51) and are inserted into the second blind hole (52), the outer end of the upright post (50) corresponding to the ninth through hole (53) is fixedly connected with a sealed box body (56), the side surface of the box body (56) close to the upright post (50) is provided with a tenth through hole (57) corresponding to the ninth through hole (53), an eleventh through hole (58) is arranged on the side surface of the box body (56) far away from the upright post (50) corresponding to the ninth through hole (53), a first hard tube (59) is arranged in the ninth through hole (53), second hard tube (60), second hard tube (60) cover is in first hard tube (59) outside and with the axle center, first hard tube (59) one end and the sealed fixed connection of first confession lacquer pipe (48) one end, first hard tube (59) other end and eleventh through-hole (58) sealed rotation are connected, second hard tube (60) one end and the sealed fixed connection of air supply pipe (54) one end, air supply pipe (54) other end is sealed, the second hard tube (60) other end and tenth through-hole (57) sealed rotation are connected, fixed mounting has air pump (61) on stand (50), air pump (61) pass through trachea (62) and box body (56) intercommunication, eleventh through-hole (58) outer end fixed connection second confession lacquer pipe (63).

4. The automatic painting device for round pipe parts according to claim 1, characterized in that: paint spraying apparatus (80) including annular piece (81), square pipe (5) outside left end fixed mounting annular piece (81), set up annular second cavity (82) around square pipe (5) in annular piece (81), first cavity (10) left end and second cavity (82) intercommunication, set up eighth through-hole (83) of a plurality of annular equipartitions on the circumference side of second cavity (82), the circumference side of annular piece (81) corresponds eight through-hole (83) and locates all sealed fixed connection L type pipe (84), a plurality of paint shower nozzles (85) are installed in the cooperation on L type pipe (84).

5. The automatic painting device for round pipe parts according to claim 1, characterized in that: four sides of box (1) front and back all around correspond equal fixed mounting elasticity telescopic link (77) in right side of second drum (25), elasticity telescopic link (77) expansion end all rotates and connects universal wheel (78).