CN114472026B

CN114472026B - Take spraying equipment of multi-angle adjusting structure

Info

Publication number: CN114472026B
Application number: CN202210204142.4A
Authority: CN
Inventors: 彭超
Original assignee: Huatu Technology Shenzhen Co ltd
Current assignee: Huatu Technology Shenzhen Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-11-11
Anticipated expiration: 2042-03-03
Also published as: CN114472026A

Abstract

The invention discloses spraying equipment with a multi-angle adjusting structure, which comprises a base, wherein the base is matched on a screw rod, a rotating table is arranged at the bottom end of the base, a mechanical arm is arranged on one side of the surface of the rotating table, a first matching hole is formed in the top end of the mechanical arm, a positioning column is matched in the first matching hole, a second matching hole is formed in the center of the positioning column, a pipeline sleeve is matched in the matching hole, one side of the positioning column extends out of the mechanical arm and is connected with a top seat, a first spraying mechanism is arranged in the middle of the wall surface of one side of the top seat, an annular matching groove is formed in the top seat outside the first spraying mechanism, a second spraying mechanism is arranged in the matching groove, a case is arranged on the other side of the surface of the rotating table, a swinging mechanism is arranged on the surface of the rotating table between the case and the mechanical arm, and the spraying equipment can be adjusted in multiple angles and directions, so that the omnibearing spraying of an automobile shell is realized.

Description

Take spraying equipment of multi-angle adjusting structure

Technical Field

The invention relates to the technical field of spraying in automobile production, in particular to spraying equipment with a multi-angle adjusting structure.

Background

The automobile spraying is an important step in the automobile production process and can be generally divided into two major parts, namely the surface treatment of metal before coating, namely a pretreatment technology; and the other is a coating construction process. The surface treatment mainly comprises the steps of removing oil stains, dust and rust on the surface of the workpiece, removing an old coating layer during repair operation and the like so as to improve the surface state of the workpiece. Including mechanical machining and chemical treatments of the workpiece surface, such as phosphating, oxidation and passivation, depending on the particular case.

With the continuous application of automobiles in the life of people, the types and the shapes of automobiles are also continuously changed, when the existing spraying equipment is used for spraying the vehicle shell, most of the existing spraying equipment is of a whole-row type nozzle combination structure, and the adjustable spraying angle is limited, so that the situation that the spraying is not uniformly carried out or is not uniform in certain hidden places of the automobile shell is caused, and the aesthetic feeling of the appearance of the automobile is influenced.

Therefore, it is necessary to design a spraying apparatus with a multi-angle adjusting structure.

Disclosure of Invention

Aiming at the technical defects, the invention provides the spraying equipment which can adjust a plurality of angles and directions, can change the shape of the spraying mechanism according to the actual spraying requirement, adapts to the spraying requirements of automobile shells with different specifications and sizes by changing the shape and realizes the omnibearing spraying of the automobile shells.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a take spraying equipment of multi-angle regulation structure, includes the base, the base cooperation is on the lead screw, be equipped with the revolving stage on the bottom of base, be equipped with the arm on one side of revolving stage surface, be equipped with first mating holes on the top of arm, the interior cooperation of first mating holes has the reference column, the center of reference column is equipped with the second mating holes, the interior cooperation of mating holes has the pipe sleeve, one side of reference column extends to the arm and is connected with the footstock outward, the middle part of footstock side wall is equipped with first spraying mechanism, be equipped with the cooperation groove of annular on the footstock in the first spraying mechanism outside, the cooperation inslot is equipped with second spraying mechanism, be equipped with quick-witted case on the opposite side on revolving stage surface, revolving stage between machine case and the arm is equipped with swing mechanism on the surface, the quick-witted incasement outside swing mechanism one side is equipped with the gear train, be equipped with first driving motor in the quick-witted case outside the gear train one side, be equipped with first drive gear train complex on first driving motor's the drive end, the quick-witted incasement of first driving motor top is equipped with electronic box and control box respectively.

Further, the cooperation post on the revolving stage bottom runs through the below of base, be equipped with second driving motor on the lateral wall of base bottom, the first drive teeth of a cogwheel of a plurality of are provided with in the winding on the bottom outer wall of cooperation post, second driving motor's drive end just is equipped with second drive gear up, the transmission of the last teeth of a cogwheel and the first drive teeth of a cogwheel intermeshing of second drive gear, second driving motor respectively with electronic box and control box electric connection.

Further, first spraying mechanism includes first electric pump and first nozzle, first electric pump sets up the middle part in footstock one side, first nozzle sets up on the output port of first electric pump, be equipped with first coating pipeline on the input port of first electric pump, first coating pipeline runs through a lateral wall face of footstock and stretches into to the pipe sleeve in, first electric pump respectively with electronic box and control box electric connection, first nozzle respectively with electronic box and control box electric connection.

Further, the second spraying mechanism is matched in the matching groove in a C-shaped manner, the second spraying mechanism comprises a first connecting plate, a second electric pump, a second nozzle, a first connecting arm, a second connecting arm, a first swing motor and a second swing motor, a protective shell is arranged on one side wall surface of the first connecting plate, the second electric pump is arranged on the protective shell, a first swing motor fixing seat is arranged on the other side wall surface of the first connecting plate, the first swing motor is arranged on the swing motor fixing seat, one end of the first connecting arm is connected to the inner wall of one side of the protective shell through a rotating shaft, a driving end of the swing motor sequentially penetrates through the first connecting plate and the protective shell and is connected with the rotating shaft on one end of the first connecting arm, an opening is formed in the protective shell on the outer side of the first connecting arm, and the first connecting arm extends out of the opening, the tail end of a first connecting arm positioned outside the opening is connected to one side wall surface of a second connecting plate through a rotating shaft, at least two second swing motor fixing seats are arranged on one side of the second connecting plate, the second swing motors are arranged on the second swing motor fixing seats, a third driving gear is arranged on the driving end of each second swing motor, a plurality of second driving gear teeth are arranged on the wall surface of the first connecting arm close to the side of each second swing motor, the second driving gear teeth are semicircular on the wall surface of one end of the first connecting arm, the third driving gear is in meshing transmission with the second driving gear teeth, a second nozzle is arranged on an output port of a second electric pump, a second coating conveying pipeline is arranged on an input port of the second electric pump, and the first coating conveying pipeline penetrates through one side wall surface of the top seat and extends into the pipeline sleeve, the one end of second linking arm is connected on the another lateral wall face of second connecting plate through the pivot, is close to be equipped with a plurality of third drive teeth of a cogwheel, a plurality of on the second linking arm wall face of second swing motor side the third drive teeth of a cogwheel are semicircle form on second linking arm one end wall, third drive gear and the meshing transmission of third drive teeth of a cogwheel, the other end of second linking arm is connected on adjacent second connecting plate through the pivot, second electric pump, first swing motor and second swing motor all with electronic box electric connection, second electric pump, first swing motor and second swing motor all with control box electric connection, the second nozzle respectively with electronic box and control box electric connection.

Further, be equipped with the through-hole on the footstock wall outside the cooperation groove one side, be equipped with the cylinder fixing base on the footstock inner wall outside the through-hole one side, be equipped with the cylinder on the cylinder fixing base, be equipped with the fixed block that two upper and lower positions correspond on the footstock inner wall of through-hole one side at least, two be equipped with first connecting plate between the fixed block, the upper and lower both ends of first connecting plate are connected on the fixed block through the pivot, be equipped with the third connecting plate on one side wall of first connecting plate, be equipped with the spout on the third connecting plate, be equipped with the joint on the drive end of cylinder, the upper and lower both ends that connect all are equipped with the traveller, the traveller cooperation is in the spout, the cylinder respectively with electronic box and control box electric connection.

Furthermore, the first connecting plate is pushed out of the through hole under the driving of the air cylinder and is perpendicular to one side wall surface of the top seat, the spraying directions of the nozzles are in the same direction, and the second spraying mechanism is in a straight line shape, an arc shape or a broken line shape.

Further, be equipped with the third driving motor fixing base on the arm of footstock below, be equipped with third driving motor on the third driving motor fixing base, the opposite side that the arm was run through to third driving motor's drive end is equipped with fourth drive gear, be equipped with driven gear through the pivot on the outer arm of fourth drive gear one side, the border department circumference of footstock lateral wall face is equipped with a plurality of fourth drive gear teeth, driven gear respectively with fourth drive gear and fourth drive gear tooth meshing transmission.

Further, swing mechanism includes drive chain and drive gear, one side of arm bottom is equipped with the arm fixing base outward, one side of arm bottom is connected with the arm fixing base through the pivot, one side of arm bottom is the arcwall face, one side flange of arm bottom is close to be equipped with the semicircle board on the flange of case side, the border department of semicircle board is equipped with the fifth drive teeth of a cogwheel, a plurality of the fifth drive teeth of a cogwheel are the arcwall form on the semicircle board, be equipped with the locating plate that is the arcwall form on the outer revolving stage surface of semicircle board one side, be equipped with the drive chain cooperation piece that is the arcwall form on one side wall of locating plate, the drive chain cover is established on the outside of drive chain cooperation piece, there is a plurality of spacing piece on one side wall of drive chain cooperation piece through the screw fixation, the border of spacing piece is the outside of drive chain, the revolving stage outside locating plate one side is equipped with the drive gear fixing base on the surface, drive gear connects on the fixing base through the pivot, drive gear on the drive gear teeth of a cogwheel respectively with drive chain and gear train, the drive chain meshes with drive chain drive gear train teeth of a cogwheel and drive.

The beneficial effects of the invention are as follows:

the mechanical arm can be driven to rotate through the rotating table, so that the directions of the mechanical arm and the top seat are adjusted, and the spraying direction is further adjusted; the second spraying mechanism can be arranged on the top seat to form an annular spraying structure, and can also extend out of the top seat according to actual spraying requirements to form spraying structures with different shapes in a shape changing manner, and the spraying requirements of automobile shells with different specifications and sizes are met through shape changing; the third driving motor drives the top seat to rotate, so that the direction of the second spraying mechanism is adjusted when the second spraying mechanism extends out of the top seat; the swinging control of the mechanical arm can be realized through the swinging mechanism, so that the spraying directions of the first spraying mechanism and the second spraying mechanism are adjusted; the equipment can realize the all-dimensional spraying of the automobile shell in the automobile production process, and has a novel structure.

Drawings

Fig. 1 is a schematic structural view of one side of the spraying device.

Fig. 2 is another external structure diagram of the spraying device.

Fig. 3 is a top view of the spray device.

Fig. 4 is a schematic view of the internal structure of the top seat.

Fig. 5 is a schematic structural view of one side of the second spray mechanism.

Fig. 6 is a schematic structural view of the other side of the second spraying mechanism.

Fig. 7 is a schematic structural view of the second connecting arm cooperating with the third driving gear.

Fig. 8 is a schematic structural view of the transmission chain fitted on the positioning plate.

In the drawing, a base 1, a rotating platform 2, a mechanical arm 3, a positioning column 4, a pipeline sleeve 5, a top seat 6, a matching groove 7, a cabinet 8, a gear set 9, a first driving motor 10, a first driving gear 11, an electric cabinet 12, a control cabinet 13, a second driving motor 14, a first driving gear 15, a second driving gear 16, a first electric pump 17, a first nozzle 18, a first paint delivery pipeline 19, a first connecting plate 20, a second connecting plate 21, a second electric pump 22, a second nozzle 23, a first connecting arm 24, a second connecting arm 25, a first swing motor 26, a second swing motor 27, a protective shell 28, an opening 29, a third driving gear 30, a second driving gear 31, a second paint delivery pipeline 32, a third driving gear 33, a through hole 34, an air cylinder 35, a fixed block 36, a third connecting plate 37, a joint 38, a sliding column 39, a third driving motor 40, a fourth gear driving gear 41, a driven gear 42, a fourth driving gear 43, a transmission gear 44, a transmission gear 45, a convex plate chain 46, a semi-circular plate 47, a fifth connecting plate 47, a fifth driving plate 48, a limiting plate 48, a driving plate 50, a limiting piece 50 and a limiting piece 52 are arranged on a screw.

Detailed Description

As shown in fig. 1 to 8, a spraying apparatus with a multi-angle adjusting structure includes a base 1, the base 1 is fitted on a screw rod 52, a rotary table 2 is arranged at the bottom end of the base 1, a mechanical arm 3 is arranged on one side of the surface of the rotary table 2, a first matching hole is arranged on the top end of the mechanical arm 3, a positioning column 4 is fitted in the first matching hole, a second matching hole is arranged at the center of the positioning column 4, a pipe sleeve 5 is fitted in the matching hole, one side of the positioning column 4 extends out of the mechanical arm 3 and is connected with a top base 6, a first spraying mechanism is arranged in the middle of one side wall surface of the top base 6, an annular matching groove 7 is arranged on the top base 6 outside the first spraying mechanism, a second spraying mechanism is arranged in the matching groove 7, a case 8 is arranged on the other side of the surface of the rotary table 2, a swinging mechanism is arranged on the surface of the rotary table 2 between the case 8 and the mechanical arm 3, a gear set 9 is arranged in the case 8 outside one side of the swinging mechanism, a first driving motor case 8 outside one side of the gear set 9 is provided with a first driving motor 10, and a first driving gear set 11 and a first driving gear set 12 are arranged above the first driving motor control case 12.

The cooperation post on 2 bottoms of revolving stage runs through the below to base 1, be equipped with second driving motor 14 on the lateral wall of 1 bottom of base, the bottom outer wall of cooperation post is gone up the surrounding and is provided with the first drive teeth of a cogwheel 15 of a plurality of, the drive end of second driving motor 14 just is equipped with second drive gear 16 up, the teeth of a cogwheel on the second drive gear 16 and the transmission of 15 intermeshing of the first drive teeth of a cogwheel, second driving motor 14 respectively with electronic box 12 and control box 13 electric connection.

First spraying mechanism includes first electric pump 17 and first nozzle 18, first electric pump 17 sets up the middle part in footstock 6 one side, first nozzle 18 sets up on the output port of first electric pump 17, be equipped with first coating pipeline 19 on the input port of first electric pump 17, first coating pipeline 19 runs through a lateral wall face of footstock 6 and stretches into to the conduit sleeve 5 in, first electric pump 17 respectively with electronic box 12 and control box 13 electric connection, first nozzle 18 respectively with electronic box 12 and control box 13 electric connection.

The second spraying mechanism is in a C-shaped form and is fitted in the fitting groove 7, the second spraying mechanism comprises a first connecting plate 20, a second connecting plate 21, a second electric pump 22, a second nozzle 23, a first connecting arm 24, a second connecting arm 25, a first swing motor 26 and a second swing motor 27, a protective shell 28 is arranged on one side wall surface of the first connecting plate 20, the second electric pump 22 is arranged on the protective shell 28, a first swing motor fixing seat is arranged on the other side wall surface of the first connecting plate 20, the first swing motor 26 is arranged on the swing motor fixing seat, one end of the first connecting arm 24 is connected to the inner wall of one side of the protective shell 28 through a rotating shaft, the driving end of the swing motor sequentially penetrates through the first connecting plate 20 and the protective shell 28 and is connected with a rotating shaft on one end of the first connecting arm 24, the protective shell 28 on the outer side of the first connecting arm 24 is provided with an opening 29, the first connecting arm 24 extends out of the opening 29, the end of the first connecting arm 24, the second connecting arm 24 is provided with a plurality of swing motor driving gear teeth 31, a plurality of second swinging motor driving gear teeth 31 are arranged on one side wall surface of the second connecting arm 30, a plurality of the second connecting arm 30, the second swing motor 30, the second connecting arm 30 is arranged on the second connecting arm 30, the second swing motor 30, the second connecting arm 30, the second swing motor driving gear teeth is engaged with a plurality of the second swinging motor driving gear teeth of the second swinging motor 31, and is arranged on the second connecting arm, and is engaged with a plurality of the second swinging motor driving gear teeth of the second connecting arm 22, first coating pipeline 19 runs through a lateral wall face of footstock 6 and stretches into in the conduit sleeve 5, the one end of second linking arm 25 is connected on another lateral wall face of second connecting plate 21 through the pivot, is close to be equipped with a plurality of third drive teeth of a cogwheel 33, a plurality of on the second linking arm 25 wall of second swing motor 27 side third drive teeth of a cogwheel 33 is semicircle form on second linking arm 25 end wall face, third drive gear 30 and the meshing transmission of third drive teeth of a cogwheel 33, the other end of second linking arm 25 is connected on adjacent second connecting plate 21 through the pivot, second electric pump 22, first swing motor 26 and second swing motor 27 all with electronic box 12 electric connection, second electric pump 22, first swing motor 26 and second swing motor 27 all with control box 13 electric connection, second nozzle 23 respectively with electronic box 12 and control box 13 electric connection.

Be equipped with through-hole 34 on the 6 walls of footstock outside the cooperation groove 7 one side, be equipped with the cylinder fixing base on the 6 inner walls of footstock outside through-hole 34 one side, be equipped with cylinder 35 on the cylinder fixing base, be equipped with two fixed blocks 36 that the position corresponds about at least on the 6 inner walls of footstock of through-hole 34 one side, two be equipped with first connecting plate 20 between the fixed block 36, the upper and lower both ends of first connecting plate 20 are connected on fixed block 36 through the pivot, be equipped with third connecting plate 37 on one side wall of first connecting plate 20, be equipped with the spout on the third connecting plate 37, be equipped with on the drive end of cylinder 35 and connect 38, the upper and lower both ends that connect 38 all are equipped with traveller 39, traveller 39 cooperates in the spout, cylinder 35 respectively with electronic box 12 and control box 13 electric connection.

The first connecting plate 20 is pushed out of the through hole 34 by the driving of the cylinder 35 and is perpendicular to one side wall surface of the top seat 6, the spraying directions of the nozzles are in the same direction, and the second spraying mechanism is in a straight line shape, an arc shape or a broken line shape.

Be equipped with third driving motor fixing base on the arm 3 of footstock 6 below, be equipped with third driving motor 40 on the third driving motor fixing base, the opposite side that the arm 3 was run through to third driving motor 40's drive end is equipped with fourth driving gear 41, be equipped with driven gear 42 through the pivot on the arm 3 outside the fourth driving gear 41 one side, the border department circumference of 6 lateral wall of footstock is equipped with a plurality of fourth drive wheel tooth 43, driven gear 42 meshes the transmission with fourth driving gear 41 and fourth drive wheel tooth 43 respectively.

Swing mechanism includes drive chain 44 and drive gear 45, one side peripheral hardware of 3 bottoms of arm has the arm fixing base, one side of 3 bottoms of arm is connected with the arm fixing base through the pivot, one side of 3 bottoms of arm is the arcwall face, one side flange 46 of 3 bottoms of arm is close to be equipped with half-round plate 47 on the flange 46 of quick-witted case 8 side, the border department of half-round plate 47 is equipped with a plurality of fifth drive teeth of a cogwheel 48, a plurality of fifth drive teeth of a cogwheel 48 are the arcwall form on half-

round plate

47, 2 outer revolving stage of half-round plate 47 one side are equipped with the locating plate 49 that is the arcwall form on the surface, be equipped with the drive chain cooperation piece 50 that is the arcwall form on one side wall of locating plate 49, drive chain 44 cover is established on the outside of drive chain cooperation piece 50, there is a plurality of spacing piece 51 through the fixed screw on one side wall of drive chain cooperation piece 50, the border of spacing piece 51 is the outside of

drive chain

44, 49 one side is equipped with the drive gear train tooth on the surface and is equipped with the drive chain 44 meshing respectively, drive chain 44 meshes with the drive chain tooth and the fifth drive gear set 48.

The screw rod 52 is connected with a transmission device (not shown) in the outside, so as to drive the base 1 to move in the X-axis direction, and further drive the whole spraying equipment to move; the electric box 12 and the control box 13 are connected with a power supply (not shown in the figure) and a console (not shown in the figure) in the outside to transmit electric energy and control commands; the paint is conveyed by connecting the first paint conveying pipeline 19 and the second paint conveying pipeline 32 with a paint storage device (not shown in the figure) in the outside; the paint is drawn into the first and

second nozzles

18 and 23 by the first and second

electric pumps

17 and 22, and sprayed onto the vehicle exterior through the first and

second nozzles

18 and 23.

The second driving gear 16 is driven to rotate by the second driving motor 14, and the rotating table 2 is driven to rotate by the rotation of the second driving gear 16, so that the mechanical arm 3 and the top seat 6 rotate by taking the Z axis as a rotating center, and the spraying directions of the first spraying mechanism and the second spraying mechanism are adjusted.

When the second spraying mechanism is matched in the matching groove 7 in a C-shaped manner, the spraying equipment takes the top seat 6 as a main spraying working point, and the spraying equipment works in a mode of carrying out single spraying or a plurality of spraying combinations by using spray heads on the first spraying mechanism and the second spraying mechanism; the top seat 6 is driven by the mechanical arm 3 to move on a plane formed by YZ shafts, and the top seat 6 can be driven by the rotating table 2 to have multi-angle adjustment capability, so that the spraying work of the automobile shell can be completed from multiple angles.

The first connecting plate 20 is pushed through the air cylinder 35, so that the first connecting plate 20 swings outwards by taking a rotating shaft on the fixed block 36 as a center, and the first spraying mechanism swings outwards integrally; when the cylinder 35 pushes the first connecting plate 20, the sliding column 39 slides in the sliding groove, so that the driving end of the cylinder 35 can drive the first connecting plate 20 to be turned outwards; when the first spraying mechanism is perpendicular to one side wall surface of the top base 6, the first swing motor 26 drives the first connecting arm 24 to swing, so that the position of the second nozzle 23 close to the through hole 34 on the YZ axis plane is adjusted, the spraying angle is adjusted, meanwhile, the second swing motor 27 can drive the second driving gear 16 and the third driving gear 30 to rotate, and the transmission action of the second driving gear 16 and the third driving gear 30 and the second driving gear 31 and the third driving gear 33 on the first connecting arm 24 drives the rest of the second nozzles 23 to adjust the position of the YZ axis plane; the second spraying mechanism can form a whole shape of a straight line, an arc or a broken line by adjusting the position of the second nozzle 23 on a YZ axis plane, thereby being suitable for different automobile production spraying requirements.

Drive fourth drive gear 41 through third driving motor 40 and rotate, fourth drive gear 41 drives driven gear 42 and rotates, and driven gear 42 rotates and drives the 6 integral rotations of footstock to during second spraying mechanism stretches out 6 outsides of footstock, drive second spraying mechanism and use the center of footstock 6 to rotate as the rotation axis, thereby adjust the spraying angle of second spraying mechanism.

The first driving gear 11 is driven to rotate by the first driving motor 10, the gear set 9 is driven to rotate by the first driving gear 11, the gear set 9 drives the transmission gear 45 to rotate, the transmission gear 45 drives the transmission chain 44 to move, when the transmission chain 44 moves, the transmission chain 44 drives the mechanical arm 3 to swing by taking the bottom end of the mechanical arm 3 close to the side of the mechanical arm fixing seat as a swinging axis through the fifth driving gear tooth 48, and the spraying angles of the first spraying mechanism and the second spraying mechanism on the top seat 6 are adjusted.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A spraying device with a multi-angle adjusting structure comprises a base and is characterized in that the base is matched on a screw rod, a rotating table is arranged at the bottom end of the base, a mechanical arm is arranged on one side of the surface of the rotating table, a first matching hole is formed in the top end of the mechanical arm, a positioning column is matched in the first matching hole, a second matching hole is formed in the center of the positioning column, a pipeline sleeve is matched in the matching hole, one side of the positioning column extends out of the mechanical arm and is connected with a top seat, a first spraying mechanism is arranged in the middle of the wall surface of one side of the top seat, an annular matching groove is formed in the top seat outside the first spraying mechanism, a second spraying mechanism is arranged in the matching groove, a case is arranged on the other side of the surface of the rotating table, a swinging mechanism is arranged on the surface of the rotating table between the case and the mechanical arm, and a gear set is arranged in the case outside one side of the swinging mechanism, a first driving motor is arranged in a case outside one side of the gear set, a first driving gear matched with the gear set is arranged on a driving end of the first driving motor, an electric box and a control box are respectively arranged in the case above the first driving motor, the second spraying mechanism is matched in a matching groove in a C shape, the second spraying mechanism comprises a first connecting plate, a second electric pump, a second nozzle, a first connecting arm, a second connecting arm, a first swing motor and a second swing motor, a protective shell is arranged on one side wall surface of the first connecting plate, the second electric pump is arranged on the protective shell, a first swing motor fixing seat is arranged on the other side wall surface of the first connecting plate, the first swing motor is arranged on the swing motor fixing seat, one end of the first connecting arm is connected to the inner wall of one side of the protective shell through a rotating shaft, the driving end of the swing motor sequentially penetrates through the first connecting plate and the protective shell and is connected with a rotating shaft at one end of the first connecting arm, the protective shell at the outer side of the first connecting arm is provided with an opening, the first connecting arm extends out of the opening, the tail end of the first connecting arm positioned outside the opening is connected with one side wall surface of the second connecting plate through the rotating shaft, at least two second swing motor fixing seats are arranged on one side of the second connecting plate, the second swing motor is arranged on the second swing motor fixing seats, a third driving gear is arranged on the driving end of the second swing motor, a plurality of second driving gear teeth are arranged on the wall surface of the first connecting arm close to the side of the second swing motor, the plurality of second driving gear teeth are semicircular on the wall surface at one end of the first connecting arm, and the third driving gear is meshed with the second driving gear teeth for transmission, the second nozzle is arranged on an output port of the second electric pump, a second coating conveying pipeline is arranged on an input port of the second electric pump, one end of a second connecting arm is connected to the other side wall surface of the second connecting plate through a rotating shaft, a plurality of third driving gear teeth are arranged on the wall surface of the second connecting arm close to the side of the second swing motor, the plurality of third driving gear teeth are semicircular on one end wall surface of the second connecting arm, the third driving gear is in meshing transmission with the third driving gear teeth, the other end of the second connecting arm is connected to an adjacent second connecting plate through a rotating shaft, the second electric pump, the first swing motor and the second swing motor are all electrically connected with the electric box, the second electric pump, the first swing motor and the second swing motor are all electrically connected with the control box, the second nozzle is respectively electrically connected with the electric box and the control box, the utility model discloses a pneumatic spraying device, including cooperation groove one side, be equipped with the through-hole on the footstock wall outside cooperation groove one side, be equipped with the cylinder fixing base on the footstock inner wall outside through-hole one side, be equipped with two fixed blocks that the position corresponds from top to bottom on the footstock inner wall of through-hole one side at least, two be equipped with first connecting plate between the fixed block, the upper and lower both ends of first connecting plate are connected on the fixed block through the pivot, be equipped with the third connecting plate on one side wall of first connecting plate, be equipped with the spout on the third connecting plate, be equipped with the joint on the drive end of cylinder, the upper and lower both ends of joint all are equipped with the traveller, the traveller cooperation is in the spout, the cylinder respectively with electronic box and control box electric connection, one side wall of through-hole outside and perpendicular to the through-hole is released to first connecting plate under the drive of cylinder, the spraying direction of nozzle is in the equidirectional orientation, second spraying mechanism is sharp, arc or broken line form.

2. The spraying equipment with the multi-angle adjusting structure as claimed in claim 1, wherein a matching column on the bottom end of the rotating table penetrates below the base, a second driving motor is arranged on a side wall of the bottom end of the base, a plurality of first driving gear teeth are arranged on an outer wall of the bottom end of the matching column in a surrounding mode, a driving end of the second driving motor faces upwards and is provided with a second driving gear, gear teeth on the second driving gear are in meshed transmission with the first driving gear teeth, and the second driving motor is electrically connected with the electric box and the control box respectively.

3. The spraying equipment with the multi-angle adjusting structure as claimed in claim 1, wherein the first spraying mechanism comprises a first electric pump and a first nozzle, the first electric pump is arranged in the middle of one side of the top seat, the first nozzle is arranged on an output port of the first electric pump, a first paint conveying pipeline is arranged on an input port of the first electric pump, the first paint conveying pipeline penetrates through a side wall surface of the top seat and extends into the pipeline sleeve, the first electric pump is respectively electrically connected with the electric box and the control box, and the first nozzle is respectively electrically connected with the electric box and the control box.

4. The spraying equipment with the multi-angle adjusting structure according to claim 1, wherein a third driving motor fixing seat is arranged on the mechanical arm below the top seat, a third driving motor is arranged on the third driving motor fixing seat, the driving end of the third driving motor penetrates through the other side of the mechanical arm and is provided with a fourth driving gear, a driven gear is arranged on the mechanical arm outside one side of the fourth driving gear through a rotating shaft, a plurality of fourth driving gear teeth are circumferentially arranged at the edge of the wall surface on one side of the top seat, and the driven gear is in meshing transmission with the fourth driving gear and the fourth driving gear teeth respectively.

5. The spraying equipment with the multi-angle adjusting structure according to claim 1, wherein the swinging mechanism comprises a transmission chain and a transmission gear, a mechanical arm fixing seat is arranged outside one side of the bottom end of the mechanical arm, one side of the bottom end of the mechanical arm is connected with the mechanical arm fixing seat through a rotating shaft, one side of the bottom end of the mechanical arm is an arc-shaped surface, a convex plate on one side of the bottom end of the mechanical arm is close to a semicircular plate arranged on the convex plate on the side of the machine box, a plurality of fifth driving gear teeth and a plurality of fifth driving gear teeth are arranged at the edge of the semicircular plate, a positioning plate in an arc shape is arranged on the surface of a rotating table outside one side of the semicircular plate, a transmission chain matching block in an arc shape is arranged on one side wall surface of the positioning plate, the transmission chain is sleeved on the outer side of the transmission chain matching block, a plurality of limiting pieces are fixed on one side wall surface of the transmission chain matching block through screws, the edge of the limiting pieces is the outer side of the transmission chain, a transmission chain is meshed with the fixing seat on the surface of the transmission chain, the rotating table outside one side of the positioning plate, the fixing seat is provided with the transmission chain, the transmission gear teeth, the transmission chain matching block is connected with the transmission gear and meshed with the transmission chain fixing seat through the transmission gear set, and the transmission chain, and the transmission gear set is respectively meshed with the transmission chain.