Metal door and window surface paint spraying device

Abstract

The invention discloses a metal door and window surface paint spraying device, and relates to the technical field of door and window paint spraying, according to the technical scheme, the metal door and window surface paint spraying device comprises a bottom plate, a vertical plate is fixedly connected to the top of the bottom plate, a shell is arranged at the top of the bottom plate, and four supporting rods are fixedly connected between the shell and the bottom plate; the rotating shaft I is embedded in the top of the shell, the bottom end of the rotating shaft I extends into the shell, the rotating shaft I is hollow, and a shell body is fixedly embedded in the rotating shaft I. The paint stirring device has the beneficial effects that the shell, the rotating shaft I, the rotating shaft II, the shifting rod, the net plate, the net shell, the spiral strip and other components are designed, and when the paint stirring device is used, paint can be stirred and mixed; therefore, the device has the function of preparing paint, paint does not need to be diluted, stirred and mixed manually before paint spraying, the labor intensity of workers can be reduced, the contact time of the workers and the paint can be shortened in the mixing process, the paint smell suction amount of the workers is reduced, and the paint spraying efficiency is improved. And the safety of workers can be effectively protected.

Description

Technical Field

[0001] The invention relates to the technical field of door and window painting, and in particular to a metal door and window surface painting device. Background Art

[0002] When doors and windows are in use, part of the surface will be exposed to the air. In order to avoid rust, it is necessary to paint the part exposed to the air, which requires the use of a paint spraying device; The existing paint spraying device is found to be incomplete in its function of preparing paint during use, so that the paint needs to be diluted, stirred and mixed manually before painting, thereby increasing the labor intensity of the manual labor, and therefore needs to be improved; For this reason, it is necessary to invent a metal door and window surface spraying device. Summary of the invention

[0003] To this end, the present invention provides a metal door and window surface painting device to solve the problems in the background technology.

[0004] In order to achieve the above object, the present invention provides the following technical solution: a metal door and window surface spray painting device, comprising: A bottom plate, a vertical plate is fixedly connected to the top of the bottom plate, a shell is provided on the top of the bottom plate, and four support rods are fixedly connected between the shell and the bottom plate; A rotating shaft 1 is embedded in the top of the shell, the bottom end of the rotating shaft 1 extends into the inside of the shell, the rotating shaft 1 is set to be hollow, a shell is fixedly embedded in the rotating shaft 1, mesh shells are provided on both sides of the shell, two levers are fixedly connected between the two mesh shells and the rotating shaft 1, mesh plates are slidably provided in the two mesh shells, moving rods are slidably embedded on both sides of the shell, and the outer ends of the two moving rods are respectively fixedly connected to the inner sides of the two mesh plates; An L-shaped plate is fixedly connected to the top of the shell, and a second rotating shaft is fixedly connected to the inner wall of the top of the L-shaped plate. The bottom end of the second rotating shaft passes through the top of the first rotating shaft and is connected to the inner wall of the bottom of the first rotating shaft. The second rotating shaft passes through the shell, and an elliptical wheel is fixedly sleeved on the outside of the second rotating shaft. Both sides of the elliptical wheel are slidably provided with convex plates, and the two convex plates are respectively fixedly connected to the inner ends of the two moving rods. The outsides of the two moving rods are sleeved with springs, and the two ends of the springs are respectively fixedly connected to the convex plates and the inner wall of the shell; A spiral blade is in sliding contact with the inner wall of the housing, and four stirring rods are fixedly connected between the spiral blade and the rotating shaft; A paint spraying assembly, which is used to spray paint evenly on the surface of doors and windows; A placement rack is used to bring the door and window close to the painting assembly and to turn the door and window over at the same time.

[0005] Preferably, a feed hopper is fixedly embedded on the top of the shell.

[0006] Preferably, a stabilizing block is fixedly connected to the inner wall of the top of the shell, and the stabilizing block is sleeved on the outside of the rotating shaft 1. A flexible rubber sleeve is fixedly connected between the two moving rods and the shell. The rotating shaft 1 is connected to the shell and the stabilizing block through a sealed bearing, and the rotating shaft 2 is connected to the rotating shaft 1 through a sealed bearing.

[0007] Preferably, the paint spraying assembly includes a movable plate, which is in sliding contact with one side of the vertical plate, and a pipe 1 is fixedly connected to one side of the movable plate, and three nozzles 1 and two nozzles 2 are fixedly embedded on the pipe 1, and the three nozzles 1 are located inside the two nozzles 2, and the three nozzles 1 are each provided with an electromagnetic valve, and the three nozzles 1 are each fixedly connected to a connecting frame, and the three connecting frames are each fixedly connected to an ultrasonic sensor, and the three ultrasonic sensors are electrically connected to the three electromagnetic valves, respectively.

[0008] Preferably, a support block is fixedly connected to the other side of the vertical plate, a reciprocating screw is embedded in the support block, the bottom end of the reciprocating screw is connected to the base plate, a sliding seat is provided on the outside of the reciprocating screw, the sliding seat is connected to the reciprocating screw through a ball screw pair, a sliding groove is opened on the vertical plate, the sliding seat is fixedly connected to one side of the movable plate, the sliding seat passes through the sliding groove and is in sliding contact with the sliding groove, a limiting rod is fixedly connected between the support block and the base plate, the limiting rod passes through the sliding seat and is in sliding contact with the sliding seat, and the reciprocating screw is connected to the support block and the base plate through a bearing.

[0009] Preferably, a pump body is fixedly connected to the top of the base plate, a pipe 2 is fixedly connected between the pump body and the outer shell, a switch valve is provided on the outside of the pipe 2, a pipe 3 is fixedly connected to the discharge port of the pump body, two hoses are fixedly connected between the pipe 3 and the pipe 1, connecting blocks are provided on the outside of the two hoses, and the two connecting blocks are fixedly connected to the top of the base plate.

[0010] Preferably, a motor is fixedly connected to the top of the L-shaped plate, and the motor output shaft is fixedly connected to a rotating shaft three, one end of the rotating shaft three is connected to the vertical plate, and two bevel gears one are sleeved on the outside of the rotating shaft three, and the two bevel gears one are connected to the rotating shaft three through a one-way bearing, and one side of the two bevel gears one is provided with a bevel gear two meshingly connected thereto, and the two bevel gears two are fixedly sleeved on the outside of the rotating shaft one and the reciprocating screw, respectively, and the rotating shaft three is connected to the vertical plate through a bearing.

[0011] Preferably, the placement rack includes a base plate slidably arranged on the bottom plate, a rotating block is embedded on the base plate, a carrying plate is fixedly connected to the top of the rotating block, two vertical poles are fixedly connected to the top of the carrying plate, two screws are provided on the two vertical poles and the screws are connected to the vertical poles by threads, a door and window body is provided on the inner sides of the four screws, rubber blocks are fixedly connected to the inner ends of the four screws, the four rubber blocks are in contact with the door and window body, two electric push rods are fixedly connected to the top of the base plate, and one end of the two electric push rods is fixedly connected to one side of the base plate.

[0012] Preferably, two positioning rods are fixedly connected to the top of the base plate, both of which pass through the base plate and are in sliding contact with it, and the cross-sections of the two positioning rods are set to be T-shaped. A through groove is opened on the base plate, and the rotating block passes through the through groove. A first gear is sleeved on the bottom end of the rotating block, and the first gear is connected to the rotating block through a one-way bearing. A toothed plate is fixedly connected to the bottom of the base plate, and the rotating block is connected to the base plate through a damping bearing.

[0013] Preferably, two first supporting legs and two second supporting legs are fixedly connected to the bottom of the base plate.

[0014] The beneficial effects of the present invention are: 1. The present invention designs the housing, the first rotating shaft, the second rotating shaft, the lever, the mesh plate, the mesh shell, the spiral strip and other components, and the paint can be stirred and mixed when in use, so that the device has the function of preparing paint, so that there is no need to manually dilute, stir and mix the paint before spraying, which can reduce the labor intensity of the manual labor, and during mixing, it can also reduce the contact time between the manual labor and the paint, thereby reducing the amount of manual labor to inhale the paint smell, which can effectively protect the safety of the manual labor; 2. The present invention designs a paint spraying assembly, and the motor can rotate the reciprocating screw to move the sliding seat and the moving plate up and down, thereby causing the nozzle 1 and the nozzle 2 to move up and down continuously, so that the paint can be evenly sprayed on the surface of the door and window body during painting; 3. The present invention designs a placement rack, which can not only make the door and window main body close to nozzle one and nozzle two when spraying paint, but also can turn the door and window main body over when in use, so that after painting one side of the door and window main body, the other side can be sprayed with paint, and there is no need to manually turn the door and window main body over in the middle, which can reduce the labor intensity of manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0017] Figure 1 A schematic diagram of the overall structure provided by the present invention; Figure 2 The present invention provides Figure 1 A in the enlarged view; Figure 3 A front cross-sectional view provided by the present invention; Figure 4 The present invention provides Figure 3 The enlarged view of point B in the figure; Figure 5 The present invention provides Figure 3 The enlarged view of point C in the figure; Figure 6 The present invention provides Figure 3 The enlarged view of D in the figure; Figure 7 A rear perspective view provided by the present invention; Figure 8 The present invention provides Figure 7 The enlarged view of point E in the figure; Fig. 9 A three-dimensional diagram of the components including the rotating shaft 1, the lattice shell, and the spiral strips provided by the present invention; Fig.10 The present invention provides Fig. 9 Exploded stereogram; Fig.11 The present invention provides Fig.10 The enlarged view of F in the figure; Fig.12 A bottom-up stereogram provided by the present invention; In the figure: 1, bottom plate; 2, vertical plate; 3, outer shell; 4, support rod; 5, rotating shaft 1; 6, shell; 7, mesh shell; 8, lever; 9, mesh plate; 10, moving rod; 11, L-shaped plate; 12, rotating shaft 2; 13, elliptical wheel; 14, convex plate; 15, spring; 16, spiral sheet; 17, stirring rod; 18, feeding hopper; 19, stabilizing block; 20, flexible rubber sleeve; 21, moving plate; 22, pipeline 1; 23, nozzle 1; 24, nozzle 2; 25, solenoid valve; 26, connecting frame; 27, ultrasonic sensor; 28, supporting block ; 29. ​​Reciprocating screw; 30. Sliding seat; 31. Limit rod; 32. Pump body; 33. Pipeline 2; 34. Switch valve; 35. Pipeline 3; 36. Hose; 37. Connecting block; 38. Motor; 39. Rotating shaft 3; 40. Bevel gear 1; 41. Bevel gear 2; 42. Base plate; 43. Rotating block; 44. Load-bearing plate; 45. Vertical pole; 46. Screw; 47. Door and window body; 48. Rubber block; 49. Electric push rod; 50. Positioning rod; 51. First gear; 52. Tooth plate; 53. Support leg 1; 54. Support leg 2. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] Refer to the attached Figure 1 -Attached Fig.12 The present invention provides a metal door and window surface painting device, comprising: A bottom plate 1, a vertical plate 2 is fixedly connected to the top of the bottom plate 1, a shell 3 is provided on the top of the bottom plate 1, and four support rods 4 are fixedly connected between the shell 3 and the bottom plate 1; A rotating shaft 5 is embedded in the top of the outer shell 3, and the bottom end of the rotating shaft 5 extends into the inner part of the outer shell 3. The rotating shaft 5 is set to be hollow, and a shell 6 is fixedly embedded on the rotating shaft 5. Both sides of the shell 6 are provided with mesh shells 7. Two levers 8 are fixedly connected between the two mesh shells 7 and the rotating shaft 5. Mesh plates 9 are slidably provided in the two mesh shells 7. Moving rods 10 are slidably embedded on both sides of the shell 6. The outer ends of the two moving rods 10 are respectively fixedly connected to the inner sides of the two mesh plates 9; An L-shaped plate 11 is fixedly connected to the top of the housing 3. A second shaft 12 is fixedly connected to the inner wall of the top of the L-shaped plate 11. The bottom end of the second shaft 12 passes through the top of the first shaft 5 and is connected to the inner wall of the bottom of the first shaft 5. The second shaft 12 passes through the housing 6. An elliptical wheel 13 is fixedly sleeved on the outside of the second shaft 12. Both sides of the elliptical wheel 13 are slidably provided with convex plates 14. The two convex plates 14 are respectively fixedly connected to the inner ends of the two moving rods 10. The two moving rods 10 are both sleeved with springs 15, and the two ends of the springs 15 are respectively fixedly connected to the convex plates 14 and the inner wall of the housing 6; The spiral piece 16 is in sliding contact with the inner wall of the housing 3, and four stirring rods 17 are fixedly connected between the spiral piece 16 and the rotating shaft 5; A paint spraying assembly, which is used to spray paint evenly on the surface of doors and windows; A placement rack, which is used to bring the doors and windows close to the painting assembly and turn them over at the same time; A feed hopper 18 is fixedly embedded on the top of the housing 3; In this embodiment, the housing 3, the rotating shaft 1 5, the rotating shaft 2 12, the lever 8, the mesh plate 9, the mesh shell 7, the spiral strip and other components are designed, and the paint can be stirred and mixed when used, so that the device has the function of preparing paint, so that there is no need to manually dilute and stir the paint before spraying, which can reduce the labor intensity of manual labor; Among them, in order to achieve the purpose of supporting the rotating shaft 1 5, the present device adopts the following technical solutions: a stabilizing block 19 is fixedly connected to the inner wall of the top of the shell 3, and the stabilizing block 19 is sleeved on the outside of the rotating shaft 1 5. A flexible rubber sleeve 20 is fixedly connected between the two moving rods 10 and the shell 6. The rotating shaft 1 5 is connected to the shell 3 and the stabilizing block 19 through a sealed bearing, and the rotating shaft 2 12 is connected to the rotating shaft 1 5 through a sealed bearing. The stabilizing block 19 can support the rotating shaft 1 5; Among them, in order to achieve the purpose of uniform paint spraying, the present device is implemented by the following technical scheme: the paint spraying component includes a moving plate 21, the moving plate 21 is in sliding contact with one side of the vertical plate 2, one side of the moving plate 21 is fixedly connected with a pipe 22, three nozzles 1 23 and two nozzles 24 are fixedly embedded on the pipe 22, the three nozzles 1 23 are located on the inner side of the two nozzles 24, the three nozzles 1 23 are each provided with an electromagnetic valve 25, the three nozzles 1 23 are each fixedly connected with a connecting frame 26, the three connecting frames 26 are each fixedly connected with an ultrasonic sensor 27, the three ultrasonic sensors 27 are respectively electrically connected to the three electromagnetic valves 25, a support block 28 is fixedly connected to the other side of the vertical plate 2, a reciprocating screw 29 is embedded on the support block 28, the bottom end of the reciprocating screw 29 is connected to the bottom plate 1, the reciprocating screw 29 is externally sleeved with a sliding seat 30, the sliding seat 30 The reciprocating screw 29 is connected through a ball screw pair, a slide groove is provided on the vertical plate 2, a sliding seat 30 is fixedly connected to one side of the movable plate 21, the sliding seat 30 penetrates the slide groove and slides in contact with it, a limit rod 31 is fixedly connected between the support block 28 and the bottom plate 1, the limit rod 31 penetrates the sliding seat 30 and slides in contact with it, the reciprocating screw 29 is connected to the support block 28 and the bottom plate 1 through a bearing, a pump body 32 is fixedly connected to the top of the bottom plate 1, a pipe 2 33 is fixedly connected between the pump body 32 and the shell 3, a switch valve 34 is arranged outside the pipe 2 33, a pipe 35 is fixedly connected to the discharge port of the pump body 32, two hoses 36 are fixedly connected between the pipe 35 and the pipe 1 22, the two hoses 36 are both sleeved with a connecting block 37 outside, and the two connecting blocks 37 are fixedly connected to the top of the bottom plate 1, and the paint spraying assembly can make the paint sprayed evenly on the surface of the doors and windows; Among them, in order to achieve the purpose of transmission, the device adopts the following technical solutions: the top of the L-shaped plate 11 is fixedly connected with a motor 38, the output shaft of the motor 38 is fixedly connected with a rotating shaft 39, one end of the rotating shaft 39 is connected to the vertical plate 2, and the outer sleeve of the rotating shaft 39 is provided with two bevel gears 1 40, and the two bevel gears 1 40 are connected to the rotating shaft 39 through a one-way bearing, and one side of the two bevel gears 1 40 is provided with a bevel gear 2 41 meshingly connected therewith, and the two bevel gears 2 41 are fixedly sleeved on the outside of the rotating shaft 1 5 and the reciprocating screw 29 respectively, and the rotating shaft 3 39 is connected to the vertical plate 2 through a bearing. The design of the motor 38, the rotating shaft 3 39, the bevel gear 1 40, the bevel gear 2 41 and other components can control the rotating shaft 1 5 and the reciprocating screw 29 to rotate in turn; In order to achieve the purpose of bringing the door and window main body 47 close to the nozzle 1 23 and the nozzle 2 24 and turning over the door and window main body 47, the device adopts the following technical solution: the placement frame includes a base plate 42 slidably arranged on the bottom plate 1, a rotating block 43 is embedded on the base plate 42, a bearing plate 44 is fixedly connected to the top of the rotating block 43, two vertical rods 45 are fixedly connected to the top of the bearing plate 44, two vertical rods 45 are each provided with two screws 46, and the screws 46 are connected to the vertical rods 45 by threads, the inner sides of the four screws 46 are provided with door and window main bodies 47, the inner ends of the four screws 46 are fixedly connected with rubber blocks 48, and the four rubber blocks 48 are in contact with the door and window main body 47 , two electric push rods 49 are fixedly connected to the top of the bottom plate 1, one end of the two electric push rods 49 is fixedly connected to one side of the base plate 42, two positioning rods 50 are fixedly connected to the top of the bottom plate 1, the two positioning rods 50 pass through the base plate 42 and are in sliding contact with it, the cross-sections of the two positioning rods 50 are both set to T-shaped, a through slot is opened on the bottom plate 1, the rotating block 43 passes through the through slot, the bottom end of the rotating block 43 is sleeved with a first gear 51, the first gear 51 is connected to the rotating block 43 through a one-way bearing, a toothed plate 52 is fixedly connected to the bottom of the bottom plate 1, and the rotating block 43 is connected to the base plate 42 through a damping bearing. The placement rack can not only make the doors and windows close to the paint spraying assembly, but also turn the doors and windows over; Among them, in order to achieve the purpose of support, the present device is implemented by the following technical solution: two support legs 53 and two support legs 54 are fixedly connected to the bottom of the base plate 1, and the support legs 53 and 54 can support the entire device.

[0020] The use process of the present invention is as follows: the raw materials for preparing the paint are added into the housing 3 through the feed hopper 18, and then the motor 38 is controlled to rotate forward, and the forward rotation of the motor 38 drives the rotating shaft 3 39 to rotate. Since the two bevel gears 1 40 are connected to the rotating shaft 3 39 through a one-way bearing, when the motor 38 rotates forward, the bevel gear 1 40 on the left rotates, and the bevel gear 1 40 on the right does not rotate. The rotation of the bevel gear 1 40 on the left drives the bevel gear 2 41 on the left to rotate, so that the rotating shaft 1 5 can be rotated, and the rotation of the rotating shaft 1 5 drives the lever 8, the housing 6, the mesh shell 7, the mesh plate 9, the stirring rod 17 and the spiral strip to rotate, so that the paint can be stirred and mixed, so that the device has the function of preparing the paint, so that there is no need to manually dilute, stir and mix the paint before spraying; When the spiral strips are stirred and mixed, the paint on the inner wall of the shell 3 can be scraped off by the rotation of the spiral strips to avoid the paint from adhering for a long time and causing insufficient mixing of the paint. At the same time, when the rotating shaft 15 rotates to rotate the shell 6, the mesh plate 9 and other components of the mesh plate 9, the two convex plates 14 will rotate along the elliptical wheel 13, and then under the action of the two springs 15, the two moving rods 10 can be continuously extended and moved during rotation, thereby causing the mesh plate 9 to continuously move left and right in the mesh shell 7, which can have the effect of breaking up the paint, so that the quality of the stirring and mixing can be increased during the stirring and mixing, and the phenomenon of caking in the paint can also be avoided. After the paint is prepared, the door and window body 47 is placed on the carrying plate 44, and then the screws 46 on the front and rear sides are rotated to make the four rubber blocks 48 contact with the door and window body 47, so that the door and window body 47 can be clamped and fixed, and then the two electric push rods 49 are controlled to work to make the base plate 42, the carrying plate 44 and the door and window body 47 and other components move to the left, so that the door and window body 47 can be close to the nozzle 1 23 and the nozzle 2 24, and then the switch valve 34 is opened, and then the pump body 32 is controlled to work, and then under the action of the pipeline 2 33, the pipeline 35 and the two hoses 36, the paint can enter the pipeline 1 22, and then be sprayed from the three nozzles 1 23 and the two nozzles 24, and then the motor 38 is controlled to reverse. The same principle is that the right bevel gear 1 40 rotates, the left bevel gear 1 40 does not rotate, and the right bevel gear 1 40 rotates to drive the right bevel gear 2 41 to rotate The reciprocating screw 29 rotates, and the rotation of the reciprocating screw 29 drives the sliding seat 30 to move up and down continuously, thereby causing the moving plate 21 to move up and down continuously, so that the pipe 1 22, the nozzle 1 23 and the nozzle 2 24 can be continuously moved up and down, thereby causing the paint to be evenly sprayed on the surface of the door and window body 47, wherein the middle part of the door and window body 47 is hollow, and when spraying, it is necessary to prevent the three nozzles 1 23 from discharging materials. Since three ultrasonic sensors 27 are designed on the three nozzles 1 23, when the nozzle 1 23 moves up and down, it can be detected whether there is an object on the right side of the nozzle 1 23, and when there is no object, the ultrasonic sensor 27 can control the solenoid valve 25 to work, and then the solenoid valve 25 is closed, so that the paint will not be sprayed out from the nozzle 1 23, on the contrary, when there is an object, the solenoid valve 25 will be opened, and then the paint can be sprayed out from the nozzle 1 23; When one side of the door and window main body 47 is sprayed, the two electric push rods 49 are controlled to make the base plate 42, the rotating block 43, the first gear 51, the bearing plate 44 and the door and window main body 47 move to the right. When moving to the right, the first gear 51 will mesh with the tooth plate 52, so that the rotating block 43 can rotate, and the rotating block 43 rotates to drive the bearing plate 44 and the door and window main body 47 to rotate. Since the length of the tooth plate 52 just makes the rotating block 43 rotate half a circle, the door and window main body 47 can be turned over when moving to the right. After the turning over is completed, the electric push rod 49 is controlled to make the door and window main body 47 move to the left, so that the other side of the door and window main body 47 can be close to nozzle 1 23 and nozzle 2 24, and then the same principle is used for painting, wherein the first gear 51 is connected to the rotating block 43 through a one-way bearing, so when moving to the right, the rotation of the first gear 51 can make the rotating block 43 rotate, and when moving to the left, it will not make the rotating block 43 rotate, thereby avoiding the door and window main body 47 from rotating when moving to the left.

[0021] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention by using the above technical solutions or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention belongs to the scope of protection claimed by the present invention.

Claims

1. A metal door and window surface spray painting device, characterized in that: include: A bottom plate (1), the top of the bottom plate (1) being fixedly connected to a vertical plate (2), a shell (3) being provided on the top of the bottom plate (1), and four support rods (4) being fixedly connected between the shell (3) and the bottom plate (1); A rotating shaft (5) is embedded in the top of the outer shell (3), the bottom end of the rotating shaft (5) extends into the inner part of the outer shell (3), the rotating shaft (5) is arranged to be hollow, a shell (6) is fixedly embedded in the rotating shaft (5), mesh shells (7) are provided on both sides of the shell (6), two levers (8) are fixedly connected between the two mesh shells (7) and the rotating shaft (5), mesh plates (9) are slidably provided in the two mesh shells (7), moving rods (10) are slidably embedded on both sides of the shell (6), and the outer ends of the two moving rods (10) are respectively fixedly connected to the inner sides of the two mesh plates (9); An L-shaped plate (11) is fixedly connected to the top of the housing (3); the inner wall of the top of the L-shaped plate (11) is fixedly connected to a second rotating shaft (12); the bottom end of the second rotating shaft (12) passes through the top of the first rotating shaft (5) and is connected to the inner wall of the bottom of the first rotating shaft (5); the second rotating shaft (12) passes through the housing (6); an elliptical wheel (13) is fixedly sleeved on the outside of the second rotating shaft (12); convex plates (14) are slidably provided on both sides of the elliptical wheel (13); the two convex plates (14) are respectively fixedly connected to the inner ends of the two moving rods (10); the two moving rods (10) are respectively sleeved with a spring (15); and the two ends of the spring (15) are respectively fixedly connected to the convex plate (14) and the inner wall of the housing (6); A spiral blade (16) which is in sliding contact with the inner wall of the housing (3), and four stirring rods (17) are fixedly connected between the spiral blade (16) and the first rotating shaft (5); A paint spraying assembly, which is used to spray paint evenly on the surface of doors and windows; A placement rack is used to bring the door and window close to the painting assembly and to flip the door and window over at the same time.

2. A metal door and window surface spraying device according to claim 1, characterized in that: A feed hopper (18) is fixedly embedded on the top of the shell (3).

3. A metal door and window surface spraying device according to claim 1, characterized in that: A stabilizing block (19) is fixedly connected to the inner wall of the top of the shell (3), and the stabilizing block (19) is sleeved on the outside of the first rotating shaft (5). A flexible rubber sleeve (20) is fixedly connected between the two moving rods (10) and the shell (6). The first rotating shaft (5) is connected to the shell (3) and the stabilizing block (19) via a sealed bearing, and the second rotating shaft (12) is connected to the first rotating shaft (5) via a sealed bearing.

4. A metal door and window surface spraying device according to claim 1, characterized in that: The paint spraying assembly comprises a movable plate (21), the movable plate (21) being in sliding contact with one side of the vertical plate (2), the movable plate (21) being fixedly connected to one side of a pipe (22), three nozzles (23) and two nozzles (24) being fixedly embedded on the pipe (22), the three nozzles (23) being located inside the two nozzles (24), the three nozzles (23) being provided with solenoid valves (25), the three nozzles (23) being fixedly connected to a connecting frame (26), the three connecting frames (26) being fixedly connected to an ultrasonic sensor (27), and the three ultrasonic sensors (27) being electrically connected to the three solenoid valves (25) respectively.

5. A metal door and window surface spraying device according to claim 4, characterized in that: A support block (28) is fixedly connected to the other side of the vertical plate (2), a reciprocating screw (29) is embedded in the support block (28), the bottom end of the reciprocating screw (29) is connected to the bottom plate (1), a sliding seat (30) is sleeved on the outside of the reciprocating screw (29), the sliding seat (30) and the reciprocating screw (29) are connected via a ball screw pair, a sliding groove is provided on the vertical plate (2), the sliding seat (30) is fixedly connected to one side of the movable plate (21), the sliding seat (30) passes through the sliding groove and is in sliding contact with the movable plate (21), a limiting rod (31) is fixedly connected between the support block (28) and the bottom plate (1), the limiting rod (31) passes through the sliding seat (30) and is in sliding contact with the movable plate (21), and the reciprocating screw (29) is connected to the support block (28) and the bottom plate (1) via a bearing.

6. A metal door and window surface spraying device according to claim 5, characterized in that: A pump body (32) is fixedly connected to the top of the bottom plate (1); a second pipe (33) is fixedly connected between the pump body (32) and the housing (3); a switch valve (34) is provided outside the second pipe (33); a third pipe (35) is fixedly connected to the discharge port of the pump body (32); two hoses (36) are fixedly connected between the third pipe (35) and the first pipe (22); connecting blocks (37) are sleeved outside the two hoses (36); and the two connecting blocks (37) are fixedly connected to the top of the bottom plate (1).

7. The metal door and window surface spray painting device according to claim 1, characterized in that: A motor (38) is fixedly connected to the top of the L-shaped plate (11); the output shaft of the motor (38) is fixedly connected to a rotating shaft three (39); one end of the rotating shaft three (39) is connected to the vertical plate (2); two bevel gears one (40) are sleeved on the outside of the rotating shaft three (39); the two bevel gears one (40) are connected to the rotating shaft three (39) via a one-way bearing; one side of the two bevel gears one (40) is provided with a bevel gear two (41) meshingly connected thereto; the two bevel gears two (41) are fixedly sleeved on the outside of the rotating shaft one (5) and the reciprocating screw (29), respectively; and the rotating shaft three (39) is connected to the vertical plate (2) via a bearing.

8. The metal door and window surface painting device according to claim 1, characterized in that: The placement rack comprises a base plate (42) slidably arranged on a bottom plate (1); a rotating block (43) is embedded on the base plate (42); a bearing plate (44) is fixedly connected to the top of the rotating block (43); two vertical rods (45) are fixedly connected to the top of the bearing plate (44); two screw rods (46) are provided on each of the two vertical rods (45); the screw rods (46) and the vertical rods (45) are connected to the vertical rods (45) by threads; a door and window body (47) is provided on the inner side of the four screw rods (46); rubber blocks (48) are fixedly connected to the inner ends of the four screw rods (46); the four rubber blocks (48) are in contact with the door and window body (47); two electric push rods (49) are fixedly connected to the top of the base plate (1); one end of each of the two electric push rods (49) is fixedly connected to one side of the base plate (42).

9. A metal door and window surface spray painting device according to claim 8, characterized in that: Two positioning rods (50) are fixedly connected to the top of the bottom plate (1), and the two positioning rods (50) both penetrate the base plate (42) and are in sliding contact therewith. The cross-sections of the two positioning rods (50) are both arranged in a T-shape. A through slot is provided on the bottom plate (1), and the rotating block (43) penetrates the through slot. A first gear (51) is sleeved on the bottom end of the rotating block (43), and the first gear (51) is connected to the rotating block (43) via a one-way bearing. A toothed plate (52) is fixedly connected to the bottom of the bottom plate (1), and the rotating block (43) is connected to the base plate (42) via a damping bearing.

10. The metal door and window surface spray painting device according to claim 1, characterized in that: The bottom of the base plate (1) is fixedly connected with two first supporting legs (53) and two second supporting legs (54).

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