Spraying machine capable of spraying materials uniformly

Abstract

The invention relates to the technical field of spraying machines, and discloses a uniform spraying machine which comprises a base, two supporting plates, a top plate, a spraying frame, a stirring box, a feeding hopper, a purifying device, a stirring device, a uniform spraying device, a controller and the like. The bottom of the spraying frame is fixedly connected with the top of the base, and the bottom of the stirring box is fixedly connected with the top of the top plate; the purifying device is connected with the supporting plate, the stirring box and the top plate, the stirring device is connected with the stirring box and the purifying device, and the uniform spraying device is connected with the top plate and the stirring device. And the spraying pipe can be shaken left and right, so that the coating can be more uniformly distributed on the surface of the workpiece, and the problems of non-uniform coating thickness, spraying leakage or mottling and the like are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of spraying machines, in particular to a spraying machine capable of evenly spraying materials. Background Art

[0002] Paint spraying is widely used in industries such as automobiles, home appliances, construction, and metal processing. Among them, the metal processing industry pays particular attention to the uniformity of spraying, because a uniform coating can significantly improve the corrosion resistance of metal products and extend their service life.

[0003] Traditional spraying methods, such as manual brushing, etc., often fail to ensure uniform coating thickness due to factors such as the operator's skill level and the instability of the spraying environment, and are also prone to cause local accumulation and local material shortage. Therefore, a spraying machine with uniform spraying is proposed. Summary of the invention

[0004] The present invention aims to solve the technical problem of how to improve the uniformity of spraying during spraying work, and provides a spraying machine for uniform spraying.

[0005] The technical solution adopted by the present invention to solve its technical problem is: A spraying machine for uniform spraying comprises a base, two supporting plates, a top plate, a spraying frame, a stirring box, a feeding hopper, a purification device, a stirring device, a uniform spraying device and a controller.

[0006] The base is arranged horizontally and connected to the ground through four columns.

[0007] The two support plates are vertically symmetrically arranged above the base and arranged left and right. The bottoms of the two support plates are respectively fixedly connected to the top of the base.

[0008] The top plate is transversely arranged above the two supporting plates, the bottom of the top plate is fixedly connected to the tops of the two supporting plates respectively, and a groove is provided at the bottom of the top plate.

[0009] The material spraying frame is arranged horizontally above the base and between the two support plates, and the bottom of the material spraying frame is fixedly connected to the top of the base.

[0010] The mixing box is arranged horizontally above the top plate, and the bottom of the mixing box is fixedly connected to the top of the top plate.

[0011] The feed hopper is arranged on the upper part of the mixing box, the lower end of the feed hopper is communicated with the mixing box, and the upper end of the feed hopper is communicated with the outside.

[0012] The purification device is arranged above the base, and is connected to the support plate, the stirring box and the top plate.

[0013] The stirring device is arranged on the side of the stirring box and is located at the lower part of the purification device. The stirring device is connected with the stirring box and the purification device.

[0014] The uniform spraying device is arranged above the base and at the lower part of the stirring device. The uniform spraying device is connected with the top plate and the stirring device.

[0015] The controller is arranged at the front part of the base, the controller is fixedly connected to the base, and the controller is electrically connected to the purification device and the uniform spraying device respectively.

[0016] When using this equipment, the staff places the workpiece into the spray frame, and then pours the paint into the mixing box through the feed hopper. Then the staff starts the uniform spraying device and the purification device through the controller. The uniform spraying device sprays the paint evenly onto the surface of the workpiece, the purification device absorbs the odor generated during the spraying process, or some incompletely dissolved solid particle impurities in the paint, and the stirring device stirs the paint in the mixing box to prevent the paint from solidifying.

[0017] Furthermore, the purification device includes a wind tube, a drive motor, a fan, a dust hood, a dust pipe, a purification box, a filter, a first rotating shaft, a first bevel gear, a second bevel gear, a first gear, a turntable, an eccentric column, a connecting strip, two round rods, a brush plate, and a sliding strip.

[0018] The air duct is transversely arranged above the mixing box and is located on the side of the feed hopper, and the bottom of the air duct is fixedly connected to the top of the mixing box.

[0019] The drive motor is arranged on the side of the wind tube close to the feed hopper, the rotating shaft of the drive motor passes through the side of the wind tube horizontally, the drive motor is fixedly connected to the wind tube, and the rotating shaft of the drive motor is rotatably connected to the wind tube.

[0020] The fan is vertically arranged inside the air duct and sleeved on the outer side of the rotating shaft of the driving motor. The axis of the fan coincides with the axis of the rotating shaft of the driving motor. The fan is fixedly connected to the rotating shaft of the driving motor.

[0021] The dust hood is arranged vertically above the base and between the two support plates. The side of the dust hood is fixedly connected to the support plates, and one end of the dust hood is communicated with the outside.

[0022] The dust suction pipe is arranged on the side of the air duct close to the feed hopper, one end of the dust suction pipe is connected with the air duct, and the other end passes through the support plate and is connected with the other end of the dust suction cover.

[0023] The purification box is arranged above the top plate, and is located on the side of the mixing box away from the feed hopper, and the bottom of the purification box is fixedly connected to the mixing box.

[0024] The filter screen is transversely arranged inside the purification box, and the filter screen is fixedly connected to the inner wall of the purification box.

[0025] The first rotating shaft is vertically arranged on the upper part of the wind tube, the first rotating shaft vertically penetrates the top of the wind tube, and the first rotating shaft is rotatably connected with the wind tube.

[0026] The first bevel gear is vertically arranged inside the air cylinder, on the side of the fan close to the feed hopper, the axis of the first bevel gear coincides with the axis of the rotating shaft of the drive motor, and the first bevel gear is fixedly connected to the rotating shaft of the drive motor.

[0027] The second bevel gear is transversely arranged inside the wind tube and above the first bevel gear. The axis of the second bevel gear coincides with the axis of the first rotating shaft. The second bevel gear is fixedly connected to the first rotating shaft and meshes with the first bevel gear.

[0028] The first gear is transversely arranged above the wind tube and sleeved on the outer side of the first rotating shaft. The axis of the first gear coincides with the axis of the first rotating shaft, and the first gear is fixedly connected to the first rotating shaft.

[0029] The outer ring of the turntable is gear-shaped and is disposed transversely above the mixing box and on the side of the air cylinder away from the feed hopper. The turntable is rotatably connected to the mixing box through a rotating rod and meshes with the first gear.

[0030] The eccentric column is vertically arranged above the turntable, and the bottom of the eccentric column is fixedly connected to the top of the turntable.

[0031] The connecting strip is transversely arranged above the rotating disk, one end of the connecting strip is sleeved on the outer side of the eccentric column and is rotatably connected with the eccentric column.

[0032] The two round rods are symmetrically arranged inside the purification box in a transverse manner, arranged front to back, and located above the filter screen. The two round rods are respectively fixedly connected to the inner wall of the purification box.

[0033] The brush plate is transversely arranged inside the purification box, and the front and rear parts of the brush plate are respectively sleeved on the outer sides of the two round rods, and the brush plate is respectively connected to the two round rods in a transverse sliding manner.

[0034] The sliding bar is horizontally arranged on the side of the purification box near the feed hopper. One end of the sliding bar horizontally penetrates the side of the purification box and is hinged to the connecting bar. The axis direction of the hinge is vertical. The other end of the sliding bar is fixedly connected to the brush plate.

[0035] When it is necessary to absorb odor or dust, the staff starts the drive motor through the controller. The rotating shaft of the drive motor drives the first bevel gear to rotate, and drives the fan to rotate. The rotation of the fan removes the odor generated during spraying.

[0036] The first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the first rotating shaft to rotate, the first rotating shaft drives the first gear to rotate, the first gear drives the rotating disk to rotate, the rotating disk drives the eccentric column to rotate, the eccentric column drives the connecting bar to move left, the connecting bar drives the sliding bar to move left, the sliding bar drives the first rack to move left, drives the brush plate to move left, the brush plate drives a number of bristles to move left, the bristles clean the surface of the filter to prevent the filter surface from being blocked. When the eccentric column drives the connecting bar to move right, the working process is the same as above, but the direction is opposite.

[0037] Furthermore, the top of the purification box is connected to the side of the air duct away from the feed hopper through the dust outlet pipe, and the lower part of the purification box is connected to the air port, and the air port is located below the filter screen.

[0038] This allows dust and odor to enter the purification box for purification and filtration, and then the air is discharged from the air port.

[0039] Furthermore, a plurality of bristles are fixedly connected to the bottom of the brush plate, and the plurality of bristles are in close contact with the upper surface of the filter screen.

[0040] This allows the bristles to effectively clean the filter and prevent it from getting clogged.

[0041] Furthermore, the stirring device includes a vertical plate, a stirring shaft, a plurality of stirring blades, a third bevel gear, a second rotating shaft, a fourth bevel gear, a second gear, and a first rack.

[0042] The vertical plate is vertically arranged inside the mixing box, located at the side of the mixing box close to the purification box, and the vertical plate is fixedly connected to the inner wall of the mixing box.

[0043] The stirring shaft is arranged inside the stirring box, and the stirring shaft horizontally penetrates the vertical plate and the side of the stirring box close to the feed hopper, and the stirring shaft is rotatably connected with the vertical plate and the stirring box.

[0044] A plurality of stirring blades are vertically arranged inside the stirring box, and are located on the side of the vertical plate close to the feed hopper. The plurality of stirring blades are respectively fixedly connected to the stirring shaft.

[0045] The third bevel gear is vertically arranged inside the mixing box, on the side of the vertical plate away from the feed hopper, the axis of the third bevel gear coincides with the axis of the mixing shaft, and the third bevel gear is fixedly connected to the mixing shaft.

[0046] The second rotating shaft is vertically arranged at the upper part of the mixing box, and is located on the side of the vertical plate away from the feed hopper. The second rotating shaft vertically penetrates the top of the mixing box, and the second rotating shaft is rotatably connected to the mixing box.

[0047] The fourth bevel gear is transversely arranged inside the mixing box and sleeved on the outside of the second rotating shaft. The axis of the fourth bevel gear coincides with the axis of the second rotating shaft. The fourth bevel gear is fixedly connected to the second rotating shaft and meshes with the third bevel gear.

[0048] The first rack is transversely arranged at the front part of the sliding bar, and the first rack is fixedly connected to the sliding bar.

[0049] The second gear is disposed transversely above the mixing box and sleeved on the outside of the second rotating shaft. The axis of the second gear coincides with the axis of the second rotating shaft. The second gear is fixedly connected to the second rotating shaft and meshes with the first rack.

[0050] When the paint needs to be stirred, the first rack drives the second gear to rotate forward, the second gear drives the second shaft to rotate forward, the second shaft drives the fourth bevel gear to rotate forward, the fourth bevel gear drives the third bevel gear to rotate forward, the third bevel gear drives the stirring shaft to rotate forward, the stirring shaft drives the fourth gear to rotate forward, and drives several stirring blades to rotate forward. The several stirring blades stir the paint to prevent the paint from solidifying.

[0051] Furthermore, a plurality of stirring blades are evenly distributed on the outer side of the stirring shaft.

[0052] Allow the stirring blade to stir the paint evenly.

[0053] Furthermore, a sealing strip is provided at the fixed connection between the vertical plate and the inner wall of the mixing box.

[0054] This prevents paint from overflowing through the vertical boards.

[0055] Furthermore, the uniform spraying device includes a threaded rod, a third gear, a fourth gear, a chain, a slider, a mounting block, a movable rod, three connecting rods, a spraying pipe, a mounting frame, a plurality of second racks, a fifth gear, and a liquid pump.

[0056] The threaded rod is transversely arranged at the lower part of the top plate and passes through the groove at the lower part of the top plate. The threaded rod transversely penetrates the side of the top plate close to the feed hopper, and the threaded rod is rotatably connected to the top plate.

[0057] The third gear is vertically arranged on the side of the top plate close to the feed hopper, and is sleeved on the outer side of the threaded rod. The axis of the third gear coincides with the axis of the threaded rod, and the third gear is fixedly connected to the threaded rod.

[0058] The fourth gear is vertically arranged directly above the third gear and sleeved on the outer side of the stirring shaft. The axis of the fourth gear coincides with the axis of the stirring shaft, and the fourth gear is fixedly connected to the stirring shaft.

[0059] The chain is arranged above the base and sleeved on the outer sides of the third gear and the fourth gear. The chain is meshed with the third gear and the fourth gear respectively.

[0060] The sliding block is arranged in a groove at the lower part of the top plate, and the upper part of the sliding block is sleeved on the outer side of the threaded rod and is threadedly connected with the threaded rod.

[0061] The mounting block is transversely arranged just below the sliding block, the top of the mounting block is fixedly connected to the bottom of the sliding block, and the lower part of the mounting block is provided with three sliding grooves.

[0062] The movable rod is transversely arranged at the lower part of the installation block, the movable rod transversely passes through three sliding grooves at the lower part of the installation block and penetrates the front part of the installation block, and the movable rod is rotatably connected with the installation block.

[0063] The three connecting rods are arranged at the lower part of the mounting block, respectively penetrate into the three sliding grooves at the lower part of the mounting block, and are respectively fixedly connected with the movable rods.

[0064] The spray pipe is transversely arranged below the three connecting rods, and the top of the spray pipe is fixedly connected to the bottom ends of the three connecting rods respectively.

[0065] The installation frame is transversely arranged above the base, located at the front side of the installation block, and sleeved on the outer side of the movable rod. The installation frame is fixedly connected to the two support plates respectively.

[0066] A plurality of second racks are transversely arranged inside the installation frame and are staggered in an up-and-down manner. The plurality of second racks are respectively fixedly connected to the inner wall of the installation frame.

[0067] The fifth gear is vertically arranged inside the installation frame and sleeved on the outside of the movable rod. The axis of the fifth gear coincides with the axis of the movable rod. The fifth gear is fixedly connected to the movable rod and meshes with a plurality of second racks respectively.

[0068] The liquid pump is arranged at the front part of the top plate, the liquid pump is fixedly connected to the front part of the top plate, the liquid pump is communicated with the stirring box through the liquid pumping pipe, and is communicated with the material spraying pipe through the liquid outlet pipe.

[0069] When spraying, the staff starts the liquid extraction pump through the controller, and the liquid extraction pump extracts the paint in the mixing box. The paint passes through the liquid extraction pipe, the liquid extraction pump, and the liquid outlet pipe in turn into the spray pipe, and then is sprayed out from the nozzle at the bottom of the spray pipe.

[0070] The fourth gear drives the chain to rotate forward, the chain drives the third gear to rotate forward, the third gear drives the threaded rod to rotate forward, the threaded rod's forward rotation drives the slider to move right, the slider drives the mounting block to move right, the mounting block drives the movable rod to move right, the movable rod drives the fifth gear to move right, drives the three connecting rods to move right, the three connecting rods drive the spray pipe to move right, the spray pipe moves right to spray the workpiece comprehensively.

[0071] The fifth gear is meshed with several second racks that are staggered up and down, so that the fifth gear can swing left and right. The fifth gear drives the movable rod to swing, the movable rod drives the three connecting rods to swing, and the three connecting rods drive the spray pipe to swing. The shaking of the spray pipe can make the paint more evenly distributed on the surface of the workpiece, avoiding problems such as uneven coating thickness, spray leakage or mottled coating.

[0072] Furthermore, a plurality of nozzles are provided at the lower part of the injection pipe.

[0073] The paint is sprayed onto the workpiece from several nozzles.

[0074] Furthermore, the three slide grooves at the bottom of the mounting block are semicircular slide grooves.

[0075] The three connecting rods can swing left and right, thereby driving the spray pipe to swing left and right to achieve uniform spraying.

[0076] Beneficial effects of the present invention: 1. The present invention provides a mounting block, a spray pipe, three connecting rods, a mounting frame, a second rack and other structures, so that when the spray pipe moves horizontally to spray the workpiece, the spray pipe can be shaken left and right, so that the paint can be more evenly distributed on the surface of the workpiece, avoiding problems such as uneven coating thickness, spray leakage or mottled.

[0077] 2. The present invention provides a purification box, a wind tube, a dust hood, a dust tube and other structures, so that the odor generated during spraying, or some incompletely dissolved solid particle impurities in the paint, when they are sprayed out and dispersed in the air, can be sucked away by the dust hood under the drive of the wind tube, thereby preventing impact on the environment.

[0078] 3. The present invention provides a stirring box, a stirring shaft, a stirring blade and other structures, so that the paint can be stirred continuously before spraying, thereby preventing the paint from solidifying and affecting the spraying work. BRIEF DESCRIPTION OF THE DRAWINGS

[0079] Figure 1 It is a schematic diagram of the front cross-sectional structure of the spraying machine for uniform spraying; Figure 2 It is a schematic diagram of the side cross-sectional structure of the mounting block of the spraying machine for uniform spraying; Figure 3 It is a schematic diagram of the cross-sectional structure of the purification box of the spraying machine for uniform spraying; Description of reference numerals: 1, base; 2, support plate; 3, top plate; 4, spray frame; 5, mixing box; 6, air duct; 7, driving motor; 8, fan; 9, dust cover; 10, dust pipe; 11, purification box; 12, filter; 13, first rotating shaft; 14, first bevel gear; 15, second bevel gear; 16, first gear; 17, turntable; 18, eccentric column; 19, connecting bar; 20, round rod; 21, brush plate; 22, sliding bar; 23, vertical plate; 24 , stirring shaft; 25, stirring blade; 26, third bevel gear; 27, second rotating shaft; 28, fourth bevel gear; 29, second gear; 30, first rack; 31, threaded rod; 32, third gear; 33, fourth gear; 34, chain; 35, slider; 36, mounting block; 37, movable rod; 38, connecting rod; 39, spray pipe; 40, mounting frame; 41, second rack; 42, fifth gear; 43, feed hopper; 44, liquid pump; 45, controller. DETAILED DESCRIPTION

[0080] The concept and technical effects of the present invention will be clearly and completely described below in conjunction with embodiments to fully understand the purpose, features and effects of the present invention.

[0081] like Figure 1-3 As shown, the technical solution adopted by the present invention to solve its technical problem is: A spraying machine for uniform spraying includes a base 1, two support plates 2, a top plate 3, a spraying frame 4, a stirring box 5, a feed hopper 43, a purification device, a stirring device, a uniform spraying device, and a controller 45.

[0082] The base 1 is arranged horizontally and connected to the ground through four columns.

[0083] The two support plates 2 are vertically symmetrically arranged above the base 1 and arranged left and right. The bottoms of the two support plates 2 are fixedly connected to the top of the base 1 respectively.

[0084] The top plate 3 is transversely arranged above the two support plates 2 , the bottom of the top plate 3 is fixedly connected to the tops of the two support plates 2 , and a groove is provided at the bottom of the top plate 3 .

[0085] The spraying frame 4 is disposed transversely above the base 1 and between the two support plates 2 , and the bottom of the spraying frame 4 is fixedly connected to the top of the base 1 .

[0086] The mixing box 5 is disposed transversely above the top plate 3 , and the bottom of the mixing box 5 is fixedly connected to the top of the top plate 3 .

[0087] The feed hopper 43 is disposed on the upper portion of the mixing box 5 , the lower end of the feed hopper 43 is communicated with the mixing box 5 , and the upper end of the feed hopper 43 is communicated with the outside.

[0088] The purification device is arranged above the base 1 , and is connected to the support plate 2 , to the stirring box 5 , and to the top plate 3 .

[0089] The stirring device is arranged on the side of the stirring box 5 and is located at the lower part of the purification device. The stirring device is connected to the stirring box 5 and is connected to the purification device.

[0090] The uniform spraying device is arranged above the base 1 and is located below the stirring device. The uniform spraying device is connected to the top plate 3 and connected to the stirring device.

[0091] The controller 45 is disposed at the front of the base 1 , and the controller 45 is fixedly connected to the base 1 . The controller 45 is electrically connected to the purification device and the uniform spraying device respectively.

[0092] When using this equipment, the staff places the workpiece into the spray frame 4, and then pours the paint into the mixing box 5 through the feed hopper 43. Then the staff starts the uniform spraying device and the purification device through the controller 45. The uniform spraying device sprays the paint evenly onto the surface of the workpiece, the purification device absorbs the odor generated during the spraying process, or some incompletely dissolved solid particle impurities that may be contained in the paint, and the stirring device stirs the paint in the mixing box 5 to prevent the paint from solidifying.

[0093] The purification device includes a wind tube 6, a driving motor 7, a fan 8, a dust cover 9, a dust pipe 10, a purification box 11, a filter 12, a first rotating shaft 13, a first bevel gear 14, a second bevel gear 15, a first gear 16, a turntable 17, an eccentric column 18, a connecting strip 19, two round rods 20, a brush plate 21, and a sliding strip 22.

[0094] The air duct 6 is transversely arranged above the mixing box 5 and is located on the side of the feed hopper 43 . The bottom of the air duct 6 is fixedly connected to the top of the mixing box 5 .

[0095] The drive motor 7 is arranged on the side of the wind cylinder 6 close to the feed hopper 43, and the rotating shaft of the drive motor 7 transversely passes through the side of the wind cylinder 6. The drive motor 7 is fixedly connected to the wind cylinder 6, and the rotating shaft of the drive motor 7 is rotatably connected to the wind cylinder 6.

[0096] The fan 8 is vertically arranged inside the air duct 6 and sleeved on the outer side of the rotating shaft of the driving motor 7. The axis of the fan 8 coincides with the axis of the rotating shaft of the driving motor 7. The fan 8 is fixedly connected to the rotating shaft of the driving motor 7.

[0097] The dust hood 9 is arranged vertically above the base 1 and between the two support plates 2. The side of the dust hood 9 is fixedly connected to the support plates 2, and one end of the dust hood 9 is connected to the outside.

[0098] The dust suction pipe 10 is arranged on the side of the air cylinder 6 close to the feed hopper 43 , one end of the dust suction pipe 10 is connected to the air cylinder 6 , and the other end passes through the support plate 2 and is connected to the other end of the dust suction cover 9 .

[0099] The purification box 11 is disposed above the top plate 3 , and is located on the side of the mixing box 5 away from the feed hopper 43 . The bottom of the purification box 11 is fixedly connected to the mixing box 5 .

[0100] The filter screen 12 is transversely disposed inside the purification box 11 , and the filter screen 12 is fixedly connected to the inner wall of the purification box 11 .

[0101] The first rotating shaft 13 is vertically arranged at the upper part of the wind tube 6 , and the first rotating shaft 13 vertically penetrates the top of the wind tube 6 , and the first rotating shaft 13 is rotatably connected to the wind tube 6 .

[0102] The first bevel gear 14 is vertically arranged inside the air cylinder 6 , and is located on the side of the fan 8 close to the feed hopper 43 . The axis of the first bevel gear 14 coincides with the axis of the rotating shaft of the drive motor 7 , and the first bevel gear 14 is fixedly connected to the rotating shaft of the drive motor 7 .

[0103] The second bevel gear 15 is transversely arranged inside the wind tube 6 and above the first bevel gear 14 . The axis of the second bevel gear 15 coincides with the axis of the first rotating shaft 13 . The second bevel gear 15 is fixedly connected to the first rotating shaft 13 and meshes with the first bevel gear 14 .

[0104] The first gear 16 is disposed transversely above the wind tube 6 and sleeved on the outer side of the first rotating shaft 13 . The axis of the first gear 16 coincides with the axis of the first rotating shaft 13 , and the first gear 16 is fixedly connected to the first rotating shaft 13 .

[0105] The outer ring of the turntable 17 is gear-shaped and is disposed transversely above the mixing box 5 and on the side of the air cylinder 6 away from the feed hopper 43 . The turntable 17 is rotatably connected to the mixing box 5 via a rotating rod and meshes with the first gear 16 .

[0106] The eccentric column 18 is vertically arranged above the rotating disk 17 , and the bottom of the eccentric column 18 is fixedly connected to the top of the rotating disk 17 .

[0107] The connecting bar 19 is transversely disposed above the rotating disk 17 , and one end of the connecting bar 19 is sleeved on the outer side of the eccentric column 18 and is rotatably connected to the eccentric column 18 .

[0108] The two round rods 20 are symmetrically disposed inside the purification box 11 , arranged front to back, and are located above the filter screen 12 . The two round rods 20 are fixedly connected to the inner wall of the purification box 11 , respectively.

[0109] The brush plate 21 is transversely arranged inside the purification box 11 , and the front and rear parts of the brush plate 21 are respectively sleeved on the outer sides of the two round rods 20 , and the brush plate 21 is respectively connected to the two round rods 20 in a transverse sliding manner.

[0110] The sliding bar 22 is horizontally arranged on the side of the purification box 11 close to the feed hopper 43. One end of the sliding bar 22 horizontally penetrates the side of the purification box 11 and is hinged to the connecting bar 19. The axis direction of the hinge is vertical. The other end of the sliding bar 22 is fixedly connected to the brush plate 21.

[0111] When it is necessary to absorb odor or dust, the staff starts the drive motor 7 through the controller 45, and the rotating shaft of the drive motor 7 drives the first bevel gear 14 to rotate, and drives the fan 8 to rotate. The rotation of the fan 8 removes the odor generated during the spraying.

[0112] The first bevel gear 14 drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the first rotating shaft 13 to rotate, the first rotating shaft 13 drives the first gear 16 to rotate, the first gear 16 drives the rotating disk 17 to rotate, the rotating disk 17 drives the eccentric column 18 to rotate, the eccentric column 18 drives the connecting bar 19 to move left, the connecting bar 19 drives the sliding bar 22 to move left, the sliding bar 22 drives the first rack 30 to move left, drives the brush plate 21 to move left, the brush plate 21 drives a number of bristles to move left, the number of bristles clean the surface of the filter screen 12 to prevent the surface of the filter screen 12 from being blocked. When the eccentric column 18 drives the connecting bar 19 to move right, the working process is the same as above, but the direction is opposite.

[0113] The top of the purification box 11 is connected to the side of the air cylinder 6 away from the feed hopper 43 through the dust outlet pipe, and the lower part of the purification box 11 is connected to the air port, and the air port is located below the filter screen 12.

[0114] Dust and odor can enter the purification box 11 for purification and filtration, and then the air is discharged from the air port.

[0115] A plurality of bristles are fixedly connected to the bottom of the brush plate 21 , and the bristles are in close contact with the upper surface of the filter screen 12 .

[0116] The bristles can effectively clean the filter screen 12 to prevent the filter screen 12 from being blocked.

[0117] The stirring device includes a vertical plate 23 , a stirring shaft 24 , a plurality of stirring blades 25 , a third bevel gear 26 , a second rotating shaft 27 , a fourth bevel gear 28 , a second gear 29 , and a first rack 30 .

[0118] The vertical plate 23 is vertically arranged inside the mixing box 5 , and is located at the side of the mixing box 5 close to the purification box 11 . The vertical plate 23 is fixedly connected to the inner wall of the mixing box 5 .

[0119] The stirring shaft 24 is disposed inside the stirring box 5 . The stirring shaft 24 transversely penetrates the vertical plate 23 and the side of the stirring box 5 close to the feed hopper 43 . The stirring shaft 24 is rotatably connected to the vertical plate 23 and the stirring box 5 .

[0120] A plurality of stirring blades 25 are vertically arranged inside the stirring box 5 , and are located on the side of the vertical plate 23 close to the feed hopper 43 . The plurality of stirring blades 25 are fixedly connected to the stirring shaft 24 , respectively.

[0121] The third bevel gear 26 is vertically arranged inside the mixing box 5 , on the side of the vertical plate 23 away from the feed hopper 43 , the axis of the third bevel gear 26 coincides with the axis of the mixing shaft 24 , and the third bevel gear 26 is fixedly connected to the mixing shaft 24 .

[0122] The second rotating shaft 27 is vertically arranged at the upper part of the mixing box 5 , and is located on the side of the vertical plate 23 away from the feed hopper 43 . The second rotating shaft 27 vertically penetrates the top of the mixing box 5 , and the second rotating shaft 27 is rotatably connected to the mixing box 5 .

[0123] The fourth bevel gear 28 is transversely arranged inside the mixing box 5 and sleeved on the outer side of the second rotating shaft 27 . The axis of the fourth bevel gear 28 coincides with the axis of the second rotating shaft 27 . The fourth bevel gear 28 is fixedly connected to the second rotating shaft 27 and meshes with the third bevel gear 26 .

[0124] The first rack 30 is transversely disposed in front of the sliding bar 22 , and the first rack 30 is fixedly connected to the sliding bar 22 .

[0125] The second gear 29 is disposed transversely above the mixing box 5 and sleeved on the outer side of the second rotating shaft 27 . The axis of the second gear 29 coincides with the axis of the second rotating shaft 27 . The second gear 29 is fixedly connected to the second rotating shaft 27 and meshes with the first rack 30 .

[0126] When the paint needs to be stirred, the first rack 30 drives the second gear 29 to rotate forward, the second gear 29 drives the second shaft 27 to rotate forward, the second shaft 27 drives the fourth bevel gear 28 to rotate forward, the fourth bevel gear 28 drives the third bevel gear 26 to rotate forward, the third bevel gear 26 drives the stirring shaft 24 to rotate forward, the stirring shaft 24 drives the fourth gear 33 to rotate forward, and drives the plurality of stirring blades 25 to rotate forward, and the plurality of stirring blades 25 stir the paint to prevent the paint from solidifying.

[0127] A plurality of stirring blades 25 are evenly distributed on the outer side of the stirring shaft 24 .

[0128] The stirring blade 25 can stir the paint evenly.

[0129] A sealing strip is provided at the fixed connection between the vertical plate 23 and the inner wall of the mixing box 5 .

[0130] This prevents the paint from overflowing through the vertical plate 23 .

[0131] The uniform spraying device includes a threaded rod 31 , a third gear 32 , a fourth gear 33 , a chain 34 , a slider 35 , a mounting block 36 , a movable rod 37 , three connecting rods 38 , a spraying pipe 39 , a mounting frame 40 , a plurality of second racks 41 , a fifth gear 42 , and a liquid pump 44 .

[0132] The threaded rod 31 is transversely arranged at the lower part of the top plate 3 and passes through the groove at the lower part of the top plate 3 . The threaded rod 31 transversely penetrates the side of the top plate 3 close to the feed hopper 43 . The threaded rod 31 is rotatably connected to the top plate 3 .

[0133] The third gear 32 is vertically arranged on the side of the top plate 3 close to the feed hopper 43 and sleeved on the outer side of the threaded rod 31 . The axis of the third gear 32 coincides with the axis of the threaded rod 31 , and the third gear 32 is fixedly connected to the threaded rod 31 .

[0134] The fourth gear 33 is vertically arranged directly above the third gear 32 and sleeved on the outer side of the stirring shaft 24 . The axis of the fourth gear 33 coincides with the axis of the stirring shaft 24 , and the fourth gear 33 is fixedly connected to the stirring shaft 24 .

[0135] The chain 34 is disposed above the base 1 and sleeved on the outer sides of the third gear 32 and the fourth gear 33 . The chain 34 is meshed with the third gear 32 and the fourth gear 33 , respectively.

[0136] The slider 35 is disposed in a groove at the lower portion of the top plate 3 , and the upper portion of the slider 35 is sleeved on the outer side of the threaded rod 31 and is threadedly connected to the threaded rod 31 .

[0137] The mounting block 36 is transversely disposed just below the sliding block 35 , the top of the mounting block 36 is fixedly connected to the bottom of the sliding block 35 , and the bottom of the mounting block 36 has three sliding grooves.

[0138] The movable rod 37 is transversely arranged at the lower part of the mounting block 36 , and the movable rod 37 transversely passes through the three slide slots at the lower part of the mounting block 36 and penetrates the front part of the mounting block 36 . The movable rod 37 is rotatably connected to the mounting block 36 .

[0139] Three connecting rods 38 are disposed at the lower portion of the mounting block 36 , respectively pass through three sliding grooves at the lower portion of the mounting block 36 , and are respectively fixedly connected to the movable rods 37 .

[0140] The spray pipe 39 is transversely arranged below the three connecting rods 38 , and the top of the spray pipe 39 is fixedly connected to the bottom ends of the three connecting rods 38 respectively.

[0141] The mounting frame 40 is disposed transversely above the base 1 , in front of the mounting block 36 , and sleeved on the outer side of the movable rod 37 . The mounting frame 40 is fixedly connected to the two support plates 2 , respectively.

[0142] A plurality of second racks 41 are transversely disposed inside the installation frame 40 and are staggered in an up-and-down manner. The plurality of second racks 41 are fixedly connected to the inner wall of the installation frame 40 , respectively.

[0143] The fifth gear 42 is vertically arranged inside the mounting frame 40 and sleeved on the outside of the movable rod 37. The axis of the fifth gear 42 coincides with the axis of the movable rod 37. The fifth gear 42 is fixedly connected to the movable rod 37, and the fifth gear 42 is respectively meshed with a plurality of second racks 41.

[0144] The liquid pump 44 is arranged at the front part of the top plate 3, and the liquid pump 44 is fixedly connected to the front part of the top plate 3. The liquid pump 44 is connected to the stirring box 5 through a liquid pumping pipe, and is connected to the spraying pipe 39 through a liquid outlet pipe.

[0145] When spraying, the staff starts the liquid extraction pump 44 through the controller 45, and the liquid extraction pump 44 extracts the paint in the mixing box 5. The paint passes through the liquid extraction pipe, the liquid extraction pump 44, and the liquid outlet pipe in sequence into the spray pipe 39, and then is sprayed out from the nozzle at the lower part of the spray pipe 39.

[0146] The fourth gear 33 drives the chain 34 to rotate forward, the chain 34 drives the third gear 32 to rotate forward, the third gear 32 drives the threaded rod 31 to rotate forward, the threaded rod 31 rotates forward and drives the slider 35 to move right, the slider 35 drives the mounting block 36 to move right, the mounting block 36 drives the movable rod 37 to move right, the movable rod 37 drives the fifth gear 42 to move right, drives the three connecting rods 38 to move right, the three connecting rods 38 drive the spray pipe 39 to move right, the spray pipe 39 moves right to spray the workpiece comprehensively.

[0147] The fifth gear 42 is meshed with a number of second racks 41 that are staggered up and down, so that the fifth gear 42 can swing left and right. The fifth gear 42 drives the movable rod 37 to swing, the movable rod 37 drives the three connecting rods 38 to swing, and the three connecting rods 38 drive the spray pipe 39 to swing. The swing of the spray pipe 39 can make the paint more evenly distributed on the surface of the workpiece, avoiding problems such as uneven coating thickness, spray leakage or mottled.

[0148] The bottom of the injection pipe 39 is provided with a plurality of nozzles.

[0149] The paint is sprayed onto the workpiece from several nozzles.

[0150] The three slide grooves at the lower part of the mounting block 36 are semicircular slide grooves.

[0151] The three connecting rods 38 can swing left and right, thereby driving the spraying pipe 39 to swing left and right, thereby achieving uniform spraying.

[0152] Working principle: When using this equipment to spray a workpiece, the staff places the workpiece into the spray frame 4, and then the staff pours the paint into the mixing box 5 through the feed hopper 43. Then the staff starts the liquid extraction pump 44 and the drive motor 7 through the controller 45. The liquid extraction pump 44 extracts the paint in the mixing box 5. The paint passes through the liquid extraction pipe, the liquid extraction pump 44, and the liquid outlet pipe in turn into the spray pipe 39, and then is sprayed out from the nozzle at the bottom of the spray pipe 39.

[0153] The driving motor 7 works, and the rotating shaft of the driving motor 7 drives the first bevel gear 14 to rotate, and drives the fan 8 to rotate. The rotation of the fan 8 makes the odor generated during spraying, or some incompletely dissolved solid particle impurities that may be contained in the paint, pass through the dust hood 9, the dust suction pipe 10, the air cylinder 6, and the dust outlet pipe in sequence, enter the purification box 11, and then after being filtered by the filter screen 12, the air is discharged from the air port at the lower part of the purification box 11.

[0154] When the rotating shaft of the driving motor 7 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the first rotating shaft 13 to rotate, the first rotating shaft 13 drives the first gear 16 to rotate, the first gear 16 drives the turntable 17 to rotate, the turntable 17 drives the eccentric column 18 to rotate, the eccentric column 18 drives the connecting bar 19 to move left, the connecting bar 19 drives the sliding bar 22 to move left, the sliding bar 22 drives the first rack 30 to move left, drives the brush plate 21 to move left, the brush plate 21 drives a number of bristles to move left, and the a number of bristles clean the surface of the filter screen 12 to prevent the surface of the filter screen 12 from being blocked.

[0155] When the sliding bar 22 drives the first rack 30 to move left, the first rack 30 drives the second gear 29 to rotate forward, the second gear 29 drives the second rotating shaft 27 to rotate forward, the second rotating shaft 27 drives the fourth bevel gear 28 to rotate forward, the fourth bevel gear 28 drives the third bevel gear 26 to rotate forward, the third bevel gear 26 drives the stirring shaft 24 to rotate forward, the stirring shaft 24 drives the fourth gear 33 to rotate forward, and drives the plurality of stirring blades 25 to rotate forward, and the plurality of stirring blades 25 stir the paint to prevent the paint from solidifying.

[0156] When the stirring shaft 24 drives the fourth gear 33 to rotate forward, the fourth gear 33 drives the chain 34 to rotate forward, the chain 34 drives the third gear 32 to rotate forward, the third gear 32 drives the threaded rod 31 to rotate forward, the threaded rod 31 rotates forward and drives the slider 35 to move right, the slider 35 drives the mounting block 36 to move right, the mounting block 36 drives the movable rod 37 to move right, the movable rod 37 drives the fifth gear 42 to move right, drives the three connecting rods 38 to move right, the three connecting rods 38 drive the spray pipe 39 to move right, the spray pipe 39 moves right to spray the workpiece comprehensively.

[0157] When the movable rod 37 drives the fifth gear 42 to move right, the fifth gear 42 meshes with a number of second racks 41 that are staggered up and down, so that the fifth gear 42 can swing left and right. The fifth gear 42 drives the movable rod 37 to swing, the movable rod 37 drives the three connecting rods 38 to swing, and the three connecting rods 38 drive the spray pipe 39 to swing. The swing of the spray pipe 39 can make the paint more evenly distributed on the surface of the workpiece, avoiding problems such as uneven coating thickness, spray leakage or mottled coating.

[0158] When the eccentric column 18 drives the connecting bar 19 to move right, the first rack 30 drives the second gear 29 to rotate in the opposite direction, the second gear 29 drives the second rotating shaft 27 to rotate in the opposite direction, the second rotating shaft 27 drives the fourth bevel gear 28 to rotate in the opposite direction, the fourth bevel gear 28 drives the third bevel gear 26 to rotate in the opposite direction, the third bevel gear 26 drives the stirring shaft 24 to rotate in the opposite direction, the stirring shaft 24 drives the fourth gear 33 to rotate in the opposite direction, and drives the plurality of stirring blades 25 to rotate in the opposite direction, and the plurality of stirring blades 25 stir the paint to prevent the paint from solidifying.

[0159] When the stirring shaft 24 drives the fourth gear 33 to rotate reversely, the fourth gear 33 drives the chain 34 to rotate reversely, the chain 34 drives the third gear 32 to rotate reversely, the third gear 32 drives the threaded rod 31 to rotate reversely, the threaded rod 31 rotates forward and drives the slider 35 to move left, the slider 35 drives the mounting block 36 to move left, the mounting block 36 drives the movable rod 37 to move left, the movable rod 37 drives the fifth gear 42 to move left, drives the three connecting rods 38 to move left, the three connecting rods 38 drive the spray pipe 39 to move left, the spray pipe 39 moves left to fully spray the workpiece again.

[0160] When the movable rod 37 drives the fifth gear 42 to move left, the fifth gear 42 meshes with a number of second racks 41 that are staggered up and down, so that the fifth gear 42 can swing left and right. The fifth gear 42 drives the movable rod 37 to swing, the movable rod 37 drives the three connecting rods 38 to swing, and the three connecting rods 38 drive the spray pipe 39 to swing. The swing of the spray pipe 39 can make the paint more evenly distributed on the surface of the workpiece, avoiding problems such as uneven coating thickness, spray leakage or mottled coating.

[0161] The above embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative work shall all fall within the scope of protection of the present invention.

Claims

1. A spraying machine for uniform spraying, characterized in that: It comprises a base (1), two support plates (2), a top plate (3), a spraying frame (4), a stirring box (5), a feed hopper (43), a purification device, a stirring device, a uniform spraying device, and a controller (45); The base (1) is arranged horizontally and connected to the ground via four columns; The two support plates (2) are vertically symmetrically arranged above the base (1) and arranged left and right, and the bottoms of the two support plates (2) are respectively fixedly connected to the top of the base (1); The top plate (3) is laterally arranged above the two support plates (2), the bottom of the top plate (3) is fixedly connected to the tops of the two support plates (2) respectively, and the bottom of the top plate (3) has a groove; The spraying frame (4) is arranged horizontally above the base (1) and between the two support plates (2); the bottom of the spraying frame (4) is fixedly connected to the top of the base (1); The mixing box (5) is arranged transversely above the top plate (3), and the bottom of the mixing box (5) is fixedly connected to the top of the top plate (3); The feed hopper (43) is arranged at the upper part of the mixing box (5), the lower end of the feed hopper (43) is connected to the mixing box (5), and the upper end is connected to the outside; The purification device is arranged above the base (1), and is connected to the support plate (2), to the stirring box (5), and to the top plate (3); The stirring device is arranged on the side of the stirring box (5) and is located at the bottom of the purification device. The stirring device is connected to the stirring box (5) and is connected to the purification device. The uniform spraying device is arranged above the base (1) and below the stirring device. The uniform spraying device is connected to the top plate (3) and connected to the stirring device. The controller (45) is arranged at the front part of the base (1), the controller (45) is fixedly connected to the base (1), and the controller (45) is electrically connected to the purification device and the uniform spraying device respectively.

2. A spraying machine for uniform spraying according to claim 1, characterized in that The purification device comprises a wind tube (6), a driving motor (7), a fan (8), a dust cover (9), a dust pipe (10), a purification box (11), a filter (12), a first rotating shaft (13), a first bevel gear (14), a second bevel gear (15), a first gear (16), a rotating disk (17), an eccentric column (18), a connecting bar (19), two round rods (20), a brush plate (21), and a sliding bar (22); The air cylinder (6) is arranged transversely above the mixing box (5) and is located on the side of the feed hopper (43), and the bottom of the air cylinder (6) is fixedly connected to the top of the mixing box (5); The drive motor (7) is arranged on the side of the wind tube (6) close to the feed hopper (43), the rotating shaft of the drive motor (7) passes through the side of the wind tube (6) transversely, the drive motor (7) is fixedly connected to the wind tube (6), and the rotating shaft of the drive motor (7) is rotatably connected to the wind tube (6); The fan (8) is vertically arranged inside the wind tube (6) and sleeved on the outside of the rotating shaft of the driving motor (7); the axis of the fan (8) coincides with the axis of the rotating shaft of the driving motor (7); and the fan (8) is fixedly connected to the rotating shaft of the driving motor (7); The dust hood (9) is arranged vertically above the base (1) and between the two support plates (2); the side of the dust hood (9) is fixedly connected to the support plate (2); and one end of the dust hood (9) is in communication with the outside world; The dust suction pipe (10) is arranged on the side of the air cylinder (6) close to the feed hopper (43), one end of the dust suction pipe (10) is connected to the air cylinder (6), and the other end passes through the support plate (2) and is connected to the other end of the dust suction cover (9); The purification box (11) is arranged above the top plate (3) and is located on the side of the mixing box (5) away from the feed hopper (43), and the bottom of the purification box (11) is fixedly connected to the mixing box (5); The filter screen (12) is transversely arranged inside the purification box (11), and the filter screen (12) is fixedly connected to the inner wall of the purification box (11); The first rotating shaft (13) is vertically arranged on the upper part of the wind tube (6), the first rotating shaft (13) vertically penetrates the top of the wind tube (6), and the first rotating shaft (13) is rotatably connected to the wind tube (6); The first bevel gear (14) is vertically arranged inside the air cylinder (6) and is located on the side of the fan (8) close to the feed hopper (43). The axis of the first bevel gear (14) coincides with the axis of the rotating shaft of the drive motor (7). The first bevel gear (14) is fixedly connected to the rotating shaft of the drive motor (7). The second bevel gear (15) is transversely arranged inside the wind tube (6) and is located above the first bevel gear (14); the axis of the second bevel gear (15) coincides with the axis of the first rotating shaft (13); the second bevel gear (15) is fixedly connected to the first rotating shaft (13) and meshes with the first bevel gear (14); The first gear (16) is arranged horizontally above the wind tube (6) and sleeved on the outer side of the first rotating shaft (13); the axis of the first gear (16) coincides with the axis of the first rotating shaft (13); and the first gear (16) is fixedly connected to the first rotating shaft (13); The outer ring of the rotating disk (17) is gear-shaped and is disposed transversely above the mixing box (5) and on the side of the air cylinder (6) away from the feed hopper (43). The rotating disk (17) is rotatably connected to the mixing box (5) via a rotating rod and is meshed with the first gear (16); The eccentric column (18) is vertically arranged above the rotating disk (17), and the bottom of the eccentric column (18) is fixedly connected to the top of the rotating disk (17); The connecting bar (19) is transversely arranged above the rotating disk (17), one end of the connecting bar (19) is sleeved on the outside of the eccentric column (18) and is rotatably connected to the eccentric column (18); The two round rods (20) are symmetrically arranged in the interior of the purification box (11) in a transverse manner, arranged in a front-to-back manner, and are located above the filter screen (12). The two round rods (20) are respectively fixedly connected to the inner wall of the purification box (11); The brush plate (21) is transversely arranged inside the purification box (11), and the front and rear parts of the brush plate (21) are respectively sleeved on the outer sides of the two round rods (20), and the brush plate (21) is respectively connected to the two round rods (20) in a transverse sliding manner; The sliding bar (22) is transversely arranged on the side of the purification box (11) close to the feed hopper (43), one end of the sliding bar (22) transversely passes through the side of the purification box (11) and is hinged to the connecting bar (19), the axis direction of the hinge is vertical, and the other end of the sliding bar (22) is fixedly connected to the brush plate (21).

3. A spraying machine for uniform spraying according to claim 2, characterized in that The top of the purification box (11) is connected to the side of the air duct (6) away from the feed hopper (43) through a dust outlet pipe, and the lower part of the purification box (11) is connected to the air port, and the air port is located below the filter screen (12).

4. A spraying machine for uniform spraying according to claim 2, characterized in that A plurality of bristles are fixedly connected to the bottom of the brush plate (21), and the plurality of bristles are in close contact with the upper surface of the filter screen (12).

5. A spraying machine for uniform spraying according to claim 2, characterized in that The stirring device comprises a vertical plate (23), a stirring shaft (24), a plurality of stirring blades (25), a third bevel gear (26), a second rotating shaft (27), a fourth bevel gear (28), a second gear (29), and a first rack (30); The vertical plate (23) is vertically arranged inside the mixing box (5), located at the side of the mixing box (5) close to the purification box (11), and the vertical plate (23) is fixedly connected to the inner wall of the mixing box (5); The stirring shaft (24) is arranged inside the stirring box (5), and the stirring shaft (24) transversely penetrates the vertical plate (23) and the side of the stirring box (5) close to the feed hopper (43), and the stirring shaft (24) is rotatably connected to the vertical plate (23) and the stirring box (5); A plurality of stirring blades (25) are vertically arranged inside the stirring box (5), and are located on the side of the vertical plate (23) close to the feed hopper (43). The plurality of stirring blades (25) are respectively fixedly connected to the stirring shaft (24); The third bevel gear (26) is vertically arranged inside the mixing box (5), and is located on the side of the vertical plate (23) away from the feed hopper (43). The axis of the third bevel gear (26) coincides with the axis of the mixing shaft (24), and the third bevel gear (26) is fixedly connected to the mixing shaft (24); The second rotating shaft (27) is vertically arranged at the upper part of the mixing box (5), and is located on the side of the vertical plate (23) away from the feed hopper (43). The second rotating shaft (27) vertically penetrates the top of the mixing box (5). The second rotating shaft (27) is rotatably connected to the mixing box (5); The fourth bevel gear (28) is transversely arranged inside the mixing box (5) and sleeved on the outer side of the second rotating shaft (27). The axis of the fourth bevel gear (28) coincides with the axis of the second rotating shaft (27). The fourth bevel gear (28) is fixedly connected to the second rotating shaft (27) and meshes with the third bevel gear (26). The first rack (30) is transversely arranged at the front of the sliding bar (22), and the first rack (30) is fixedly connected to the sliding bar (22); The second gear (29) is arranged horizontally above the mixing box (5) and is sleeved on the outer side of the second rotating shaft (27). The axis of the second gear (29) coincides with the axis of the second rotating shaft (27). The second gear (29) is fixedly connected to the second rotating shaft (27) and meshes with the first rack (30).

6. A spraying machine for uniform spraying of materials according to claim 5, characterized in that A plurality of stirring blades (25) are evenly distributed on the outer side of the stirring shaft (24).

7. A spraying machine for uniform spraying according to claim 5, characterized in that A sealing strip is provided at the fixed connection between the vertical plate (23) and the inner wall of the mixing box (5).

8. A spraying machine for uniform spraying according to claim 5, characterized in that The uniform spraying device comprises a threaded rod (31), a third gear (32), a fourth gear (33), a chain (34), a slider (35), a mounting block (36), a movable rod (37), three connecting rods (38), a spraying pipe (39), a mounting frame (40), a plurality of second racks (41), a fifth gear (42), and a liquid pump (44); The threaded rod (31) is transversely arranged at the lower part of the top plate (3) and passes through the groove at the lower part of the top plate (3). The threaded rod (31) transversely penetrates the side of the top plate (3) close to the feed hopper (43). The threaded rod (31) is rotatably connected to the top plate (3); The third gear (32) is vertically arranged on the side of the top plate (3) close to the feed hopper (43), and is sleeved on the outer side of the threaded rod (31). The axis of the third gear (32) coincides with the axis of the threaded rod (31), and the third gear (32) is fixedly connected to the threaded rod (31); The fourth gear (33) is vertically arranged directly above the third gear (32) and sleeved on the outer side of the stirring shaft (24); the axis of the fourth gear (33) coincides with the axis of the stirring shaft (24); and the fourth gear (33) is fixedly connected to the stirring shaft (24); The chain (34) is arranged above the base (1) and sleeved on the outer sides of the third gear (32) and the fourth gear (33), and the chain (34) is meshed with the third gear (32) and the fourth gear (33) respectively; The slider (35) is arranged in a groove at the lower part of the top plate (3); the upper part of the slider (35) is sleeved on the outer side of the threaded rod (31) and is threadedly connected to the threaded rod (31); The mounting block (36) is transversely arranged directly below the sliding block (35), the top of the mounting block (36) is fixedly connected to the bottom of the sliding block (35), and the lower part of the mounting block (36) has three sliding grooves; The movable rod (37) is transversely arranged at the lower part of the mounting block (36), the movable rod (37) transversely passes through three sliding grooves at the lower part of the mounting block (36) and penetrates the front part of the mounting block (36), and the movable rod (37) is rotatably connected to the mounting block (36); The three connecting rods (38) are arranged at the lower part of the mounting block (36), respectively pass through the three sliding grooves at the lower part of the mounting block (36), and are respectively fixedly connected to the movable rods (37); The spray pipe (39) is transversely arranged below the three connecting rods (38), and the top of the spray pipe (39) is fixedly connected to the bottom ends of the three connecting rods (38) respectively; The installation frame (40) is transversely arranged above the base (1), located in front of the installation block (36), and sleeved on the outside of the movable rod (37). The installation frame (40) is fixedly connected to the two support plates (2) respectively. A plurality of the second racks (41) are transversely arranged inside the installation frame (40) and are staggered up and down, and the plurality of the second racks (41) are respectively fixedly connected to the inner wall of the installation frame (40); The fifth gear (42) is vertically arranged inside the installation frame (40) and sleeved on the outer side of the movable rod (37). The axis of the fifth gear (42) coincides with the axis of the movable rod (37). The fifth gear (42) is fixedly connected to the movable rod (37), and the fifth gear (42) is respectively meshed with a plurality of the second racks (41). The liquid pump (44) is arranged at the front part of the top plate (3), and the liquid pump (44) is fixedly connected to the front part of the top plate (3). The liquid pump (44) is connected to the stirring box (5) through a liquid pumping pipe, and is connected to the spraying pipe (39) through a liquid outlet pipe.

9. A spraying machine for uniform spraying according to claim 8, characterized in that The lower part of the injection pipe (39) is provided with a plurality of injection ports.

10. A spraying machine for uniform spraying according to claim 8, characterized in that The three slide grooves at the lower part of the mounting block (36) are semicircular slide grooves.

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