Steel drum spraying assembly line

Abstract

The invention relates to the technical field of spraying devices, and discloses a steel drum spraying assembly line which comprises a material distributing device, a turnover device, a flow dividing device and a spraying device which are sequentially arranged on a bottom plate. A material distributing rod rotationally connected to the first supporting vertical plate on one side is arranged in the middle of the conveying belt, a second conveying belt of the overturning device is perpendicular to the first conveying belt, the overturning device is used for overturning a horizontally-placed steel drum to be in a vertical state, and a flow distributing device is arranged at the end, away from the first conveying belt, of the second conveying belt. The automatic spraying device has the following advantages and effects that the whole assembly line is designed, automatic conveying and spraying are achieved, manual spraying is replaced, the labor force of manual operation is reduced, and the overall production efficiency is remarkably improved.

Description

Technical Field

[0001] The invention relates to the technical field of spraying devices, in particular to a steel drum spraying production line. Background Art

[0002] The steel drums produced by the factory are composed of a cylindrical barrel body and two upper and lower circular plates. In order to increase the service life of the steel drums, it is necessary to spray paint on the inside and outside of the steel drums. At present, many factories still use manual handheld spray guns for spraying. This method is time-consuming and labor-intensive, affecting the overall production efficiency. It is necessary to design a spraying line to automatically spray the inner and outer walls of the barrel body, bottom cover and top cover of the steel drum. Summary of the invention

[0003] The purpose of the present invention is to provide a steel drum spraying production line, which has the effect of automatic spraying and improving the overall production efficiency.

[0004] The above technical purpose of the present invention is achieved through the following technical scheme: it includes a dividing device, a turning device, a diverting device and a spraying device which are arranged on the bottom plate in sequence, the dividing device includes a conveyor belt 1 whose lower end is inclined toward the turning device, a dividing rod rotatably connected to a supporting vertical plate 1 on one side is arranged in the middle of the conveyor belt, the conveyor belt 2 of the turning device is perpendicular to the conveyor belt 1, the turning device is used to turn the horizontally placed steel drum into a vertical state, and a diverting device is arranged at the end of the conveyor belt 2 away from the conveyor belt 1, and spraying devices are arranged on both sides of the diverting device.

[0005] By adopting the above technical scheme, the dividing device separates multiple horizontally lying steel drums one by one and places them close to the flipping device. The flipping device flips the horizontally lying steel drums into a vertical state and places them on the conveyor belt 2 of the diverting device. The diverting device again sends the continuously conveyed steel drums into two identical spraying devices on both sides of the diverting device. In this way, the spraying devices on both sides can complete the spraying of the steel drums alternately, which significantly improves the spraying efficiency. The entire assembly line is designed to realize automated transportation and spraying, replacing manual spraying, reducing the labor of manual operation, and significantly improving the overall production efficiency.

[0006] The present invention is further configured as follows: the spraying device comprises an inner nozzle and an outer nozzle, the inner nozzle is arranged around the circumference of the bottom end of the driving rod one, the outer nozzle is 2 in number and are respectively located at the bottom end of the driving rod two, the driving rod one and the driving rod two are parallel, the top of the driving rod two is vertically fixed to the opposite two sides of the bottom surface of the rotating plate, the driving rod one passes through the center of the rotating plate and the limit block in the driving assembly that drives the driving rod one to rotate, the limit block is slidably connected to the slide rail supporting the vertical plate, the driving rod one is limited and rotatably connected to the limit block, the top of the driving rod one is vertically fixed with a card ball, the card ball is carded in a slide groove one on the inner side surface of the fixed arc plate, the fixed arc plate is located directly above the slide rail, the slide groove one comprises a connected groove section one and a groove section two, the groove section one is linearly located on one side of the fixed arc plate, the groove section two is arcuate and gradually moves away from the groove section one along the direction close to the rotating plate.

[0007] The present invention is further configured as follows: the driving assembly further comprises a connecting rod 1 hinged to the limit block, the other end of the connecting rod 1 is hinged to a connecting rod 2, and the other end of the connecting rod 2 is fixedly connected to the output shaft of the driving motor.

[0008] By adopting the above technical solution, when the steel drum in a vertical state with both ends open is conveyed to the spraying device, it stops under the driving rod 1, and then the output motor is started to drive the connecting rod 2 to rotate, and the driving connecting rod 1 drives the limit block to slide in the slide rail supporting the vertical plate. Since the driving rod 1 is connected to the limit block in a limited rotation, when the limit block slides toward the steel drum, the card ball on the top of the driving rod 1 first slides in the groove section 1 in the slide groove 1, so that the driving rod 1 and the driving rod 2 descend, and at this time, the driving rod 1 and the driving rod 2 descend at the same time. Close to the steel drum, with the further rotation of connecting rod 2, the limit block further descends and slides, and the card ball slides in groove section 2, that is, driving rod 2 realizes rotation. At this time, driving rod 1 extends into the steel drum while rotating inside the steel drum. At this time, the inner nozzle is aimed at the inner wall of the steel drum for spraying. At the same time, the rotation of driving rod 1 drives the rotating plate to rotate, that is, driving rod 2 also descends and rotates at the same time, and the outer nozzle is aimed at the outer wall of the steel drum for spraying. The lifting and rotating spraying improves the spraying efficiency, ensures that the spraying inside and outside the steel drum is completed, and ensures the spraying effect.

[0009] The present invention is further configured as follows: the dividing rod is U-shaped, the dividing rod is rotatably connected to a supporting vertical plate, the two cross bars of the dividing rod include an upper long cross bar and a lower short cross bar, and the ends of the long cross bar and the short cross bar are both provided with dividing plates, the two dividing plates are arranged facing each other, and the bottom surface of the short cross bar is in contact with the cam plate.

[0010] By adopting the above technical solution, when multiple horizontally placed steel drums approach the turning device on the conveyor belt, the cam plate rotates, and when its convex part rotates to lift the short horizontal bar below, the long horizontal bar rises, and the steel drums located between the two dividing plates are released and slide close to the turning device. As the cam plate rotates again, the short horizontal bar falls, and the steel drums blocked by the short horizontal bar slide to the dividing plate near the long horizontal bar, thereby realizing the one-by-one material distribution of the steel drums, and the single loading and subsequent single turning are coordinated to realize the complete assembly line operation.

[0011] The present invention is further configured as follows: the flipping device includes two clamping cylinders relatively arranged on both sides of the clamping plate, the clamping plate is fixed to one end of the clamping rod, the clamping rod is rotatably connected to the supporting vertical plate two, and the other end is snap-connected and slidably connected to the slide groove two of the supporting vertical plate two, the slide groove two includes an arc segment one and a straight line segment two and a straight line segment three connected to the two ends of the arc segment, the central angle of the circle corresponding to the arc segment one is a right angle, the straight line segment two and the straight line segment three are respectively acute angles with the arc segment one and the two are right angles, a rotating bar is rotatably connected to the supporting vertical plate two, a bar hole is arranged on the rotating bar, and the short bar at the end of the clamping rod passes through the bar hole and is snap-connected and slidably connected to the slide groove two.

[0012] By adopting the above technical solution, when the horizontally placed steel drum is at one end of the conveyor belt, the clamping rod rotates, and when the clamping rod rotates to the straight segment three of the conveyor belt two close to the diverter device in the chute two, since the straight segment three is a vertical straight segment, the clamping cylinder descends to clamp the horizontal steel drum on the conveyor belt, and then the clamping rod further rotates along the straight segment three, the arc segment one and the straight segment two. Since the straight segment two is a horizontal straight segment, the horizontally placed steel drum is finally flipped to a vertical state and placed on the conveyor belt two of the diverter device, in preparation for the subsequent spraying of the inside and outside of the steel drum. The arrangement of the bar holes on the rotating bar provides space for the clamping rod to slide in the straight segment two and the straight segment three.

[0013] The present invention is further configured as follows: the diversion device includes limit rods arranged on opposite sides of the second conveyor belt, the two ends of the conveyor belt close to the spraying device are rotatably connected with a diversion arc plate, and an incomplete gear one and an incomplete gear two are fixed on the upper and lower sides of the rotating shaft fixed to the end of the diversion arc plate, the incomplete gear one and the incomplete gear two are both externally meshed with the incomplete gear three, there are two toothed parts on the incomplete gear three, and the incomplete gear three is coaxially fixedly connected to the output shaft of the diversion motor.

[0014] By adopting the above technical scheme, when the diversion motor rotates, when the incomplete gear three rotates clockwise, when its first toothed part meshes with the incomplete gear one, the incomplete gear one rotates counterclockwise, and the diversion arc plate rotates counterclockwise toward the spraying device on one side, and then the toothless part of the incomplete gear three rotates, and the diversion arc plate is stationary. With further rotation, the second toothed part meshes with the incomplete gear two, the incomplete gear two rotates clockwise, and the diversion arc plate returns to its original position clockwise. With further rotation, the first toothed part meshes with the incomplete gear two, the incomplete gear two rotates clockwise, and the diversion arc plate rotates clockwise toward the spraying device on the other side. With the rotation of the incomplete gear three again, the second toothed part meshes with the incomplete gear one, and the diversion arc plate rotates counterclockwise back to its original position, so that the two steel barrels are respectively sent to the spraying devices on both sides, and the diversion device is arranged to cooperate with the two spraying devices to improve the spraying efficiency.

[0015] The present invention is further configured as follows: an outer sleeve of the driving rod located below the rotating plate is provided with a connecting plate that is limited in rotation and connected thereto; the bottom of the connecting plate is connected to a pressure plate via a spring; the bottom surface of the pressure plate is provided with an inwardly concave annular groove; a through arc strip is provided around the periphery of the pressure plate; the two driving rods are slidably connected in the corresponding arc strips.

[0016] By adopting the above technical scheme, when the rotating plate descends, the connecting plate descends, the pressure plate descends, and the annular groove on the bottom of the pressure plate first contacts with the top of the steel drum and fixes it, thereby improving the stability of the steel drum and avoiding the shaking of the steel drum during spraying. As the rotating plate further descends, the pressure plate does not move, and the spring between the pressure plate and the connecting plate is compressed to ensure that the connecting plate descends smoothly. At the same time, an arc strip is arranged on the pressure plate, which can play a certain limiting role on the driving rod, thereby ensuring that it avoids the spraying effect on the outside of the steel drum.

[0017] The present invention is further configured as follows: the two outer nozzles are arranged facing each other, and the inner nozzle is arranged toward the axis away from the first driving rod.

[0018] By adopting the above technical solution, the outer nozzle avoids spraying on the outside of the steel drum, and the inner nozzle sprays on the inner wall of the steel drum.

[0019] The present invention is further configured as follows: a recovery box is provided in a support seat below three conveyor belts of each of the spraying devices.

[0020] By adopting the above technical solution, the recovery box is used to recover the spraying liquid flowing down during the spraying process.

[0021] The present invention is further configured as follows: the clamping rod is coaxially fixedly connected to the output shaft of the stepping motor.

[0022] The beneficial effects of the present invention are as follows: the material dividing device separates a plurality of horizontally placed steel drums one by one and places them close to the flipping device; the flipping device flips the horizontally lying steel drums into a vertical state and places them on the second conveyor belt of the diverting device; the diverting device again sends the continuously transported steel drums into two identical spraying devices on both sides of the diverting device respectively, so that the spraying devices on both sides can complete the spraying of the steel drums alternately, which significantly improves the spraying efficiency; the entire assembly line is designed to realize automated transportation and spraying, replacing manual spraying, reducing the labor of manual operation, and significantly improving the overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a structural schematic diagram of the spraying device in the present invention.

[0026] Figure 3 yes Figure 2 Another side structural diagram of .

[0027] Figure 4 yes Figure 3 Schematic diagram of the explosion structure.

[0028] Figure 5 yes Figure 4 Another side structural diagram of .

[0029] Figure 6 It is a structural schematic diagram of the material distributing device in the invention.

[0030] Figure 7 It is a schematic diagram of the structure of the flipping device in the invention.

[0031] Figure 8 It is a structural schematic diagram of the diversion device in the invention

[0032] In the figure, 1, material distribution device; 101, conveyor belt 1; 102, material distribution rod; 103, support vertical plate 1; 104, material distribution plate; 105, cam plate; 2, flip device; 201, conveyor belt 2; 202, clamping cylinder; 203, clamping rod; 204, support vertical plate 2; 205, slide 2; 206, rotating bar; 3, flow distribution device; 301, limit rod; 302, flow distribution arc plate; 303, incomplete gear 1; 304, incomplete gear 2; 305, incomplete gear 3; 306, diverter motor; 4, spraying device; 401, inner nozzle; 402, outer nozzle; 403, drive rod one; 404, drive rod two; 405, rotating plate; 406, limit block; 407, card ball; 408, fixed arc plate; 409, slide groove one; 410, slide rail; 411, connecting rod one; 412, connecting rod two; 413, driving motor; 5, connecting plate; 6, spring; 7, pressure plate; 8, arc strip; 9, conveyor belt three; 10, recycling box; 11, stepper motor. DETAILED DESCRIPTION

[0033] The technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Embodiment, a steel drum spraying line, such as Figure 1-8 As shown, it includes a material distribution device 1, a turning device 2, a diverting device 3 and a spraying device 4 which are sequentially arranged on the bottom plate. The material distribution device 1 includes a conveyor belt 101 with a lower end inclined toward the turning device 2. A material distribution rod 102 which is rotatably connected to a supporting vertical plate 103 on one side is arranged in the middle of the conveyor belt. The conveyor belt 201 of the turning device 2 is perpendicular to the conveyor belt 101. The turning device 2 is used to turn the horizontally placed steel drum into a vertical state. The end of the conveyor belt 201 away from the conveyor belt 101 is provided with a diverting device 3. Spraying devices 4 are arranged on both sides of the diverting device 3. The dividing device 1 separates the multiple horizontally lying steel drums one by one and places them close to the flipping device 2. The flipping device 2 flips the horizontally lying steel drums into a vertical state and places them on the conveyor belt 201 of the diverting device 3. The diverting device 3 again sends the continuously conveyed steel drums into two identical spraying devices 4 on both sides of the diverting device 3, so that the spraying devices 4 on both sides can complete the spraying of the steel drums alternately, which significantly improves the spraying efficiency. The entire assembly line is designed to realize automated transportation and spraying, replace manual spraying, reduce the labor of manual operation, and significantly improve the overall production efficiency.

[0035] Furthermore, the spraying device 4 includes an inner nozzle 401 and an outer nozzle 402, wherein the inner nozzle 401 is provided with a plurality of inner nozzles around the circumference of the bottom end of the driving rod 1 403, and the number of the outer nozzles 402 is 2, which are respectively located at the bottom ends of the driving rod 2 404, the driving rod 1 403 and the driving rod 2 404 are parallel, and the top of the driving rod 2 404 is vertically fixed to the opposite sides of the bottom surface of the rotating plate 405, the driving rod 1 403 passes through the center of the rotating plate 405 and the limit block 406 in the driving assembly for driving the driving rod 1 403 to rotate, the limit block 406 is slidably connected to the slide rail 410 supporting the vertical plate, and the driving rod 1 403 is limited and rotated and connected to the limit block In the positioning block 406, a card ball 407 is vertically fixed on the top of the driving rod 1 403, and the card ball 407 is clamped in a slide groove 1 409 on the inner side of the fixed arc plate 408. The fixed arc plate 408 is located directly above the slide rail 410. The slide groove 1 409 includes a connected groove section 1 and a groove section 2. The groove section 1 is located in a straight line on one side of the fixed arc plate 408, and the groove section 2 is an arc and gradually moves away from the groove section 1 in the direction close to the rotating plate 405. The driving component also includes a connecting rod 1 411 hinged to the limiting block 406, and the other end of the connecting rod 1 411 is hinged to the connecting rod 2 412. The other end of the connecting rod 2 412 is fixed to the output shaft of the driving motor 413. When the steel drum in a vertical state with openings at both ends is conveyed to the spraying device 4, it stops under the driving rod 1 403, and then the output motor is started to drive the connecting rod 2 412 to rotate, and the driving connecting rod 1 drives the limit block 406 to slide in the slide rail 410 supporting the vertical plate. Since the driving rod 1 403 is connected to the limit block 406 in a limited rotation, when the limit block 406 slides toward the steel drum, the card ball 407 at the top of the driving rod 1 403 first slides in the groove section 1 in the slide groove 1 409, so that the driving rod 1 403 and the driving rod 2 404 descend. At this time, the driving rod 1 403 and the driving rod 2 404 are simultaneously When the connecting rod 412 is further rotated, the limit block 406 further descends and slides. At this time, the card ball 407 slides in the groove section 2, that is, the driving rod 404 is rotated. At this time, the driving rod 1 403 extends into the steel drum while rotating inside the steel drum. At this time, the inner nozzle 401 is aimed at the inner wall of the steel drum for spraying. At the same time, the rotation of the driving rod 1 403 drives the rotating plate 405 to rotate, that is, the driving rod 2 404 also descends and rotates at the same time, then the outer nozzle 402 is aimed at the outer wall of the steel drum for spraying. The lifting and rotating spraying improves the spraying efficiency, ensures that the spraying inside and outside the steel drum is completed, and ensures the spraying effect.

[0036] Furthermore, the dividing rod 102 is U-shaped, and the dividing rod 102 is rotatably connected to the supporting vertical plate 103. The two cross bars of the dividing rod 102 include a long cross bar on the top and a short cross bar on the bottom. The ends of the long cross bar and the short cross bar are provided with dividing plates 104. The two dividing plates 104 are arranged opposite to each other, and the bottom surface of the short cross bar is in contact with the cam plate 105. When a plurality of horizontally placed steel barrels approach the turning device 2 on the conveyor belt 101, when the cam plate 105 rotates, when its convex part rotates to lift the horizontal short bar below, the long cross bar rises, and the steel barrel located between the two dividing plates 104 is released and slides close to the turning device 2. As the cam plate 105 rotates again, the short cross bar falls, and the steel barrel blocked by the short cross bar slides to the dividing plate 104 near the long cross bar, thereby realizing the one-by-one material distribution of the steel barrels, and the single loading and subsequent single turning are coordinated to realize the complete assembly line operation.

[0037] Furthermore, the flipping device 2 includes two clamping cylinders 202 relatively arranged on both sides of the clamping plate, the clamping plate is fixed to one end of the clamping rod 203, the clamping rod 203 is coaxially fixedly connected to the output shaft of the stepping motor 11, the clamping rod 203 is rotatably connected to the supporting vertical plate 204, and the other end is snap-connected and slidably connected to the slide groove 205 of the supporting vertical plate 204, the slide groove 205 includes an arc segment 1 and a straight line segment 2 and a straight line segment 3 connected to the two ends of the arc segment, the center angle of the circle corresponding to the arc segment 1 is a right angle, the straight line segment 2 and the straight line segment 3 are respectively acute angles with the arc segment 1 and the two are at right angles, a rotating bar 206 is rotatably connected to the supporting vertical plate 204, and a bar hole is set on the rotating bar 206, and a short bar at the end of the clamping rod 203 passes through the bar hole and is snap-connected and slidably connected to In the second slide 205, when the horizontally placed steel barrel is at the end of the conveyor belt 101, the clamping rod 203 rotates. When the clamping rod 203 rotates to the straight line segment 3 of the conveyor belt 201 close to the diverter device 3 in the second slide 205, since the straight line segment 3 is a vertical straight line segment, the clamping cylinder 202 descends to clamp the horizontal steel barrel on the conveyor belt 101, and then the clamping rod 203 further rotates along the straight line segment 3, the arc segment 1 and the straight line segment 2. Since the straight line segment 2 is a horizontal straight line segment, the horizontally placed steel barrel is finally flipped to a vertical state and placed on the conveyor belt 201 of the diverter device 3, in preparation for the subsequent spraying of the inside and outside of the steel barrel, the bar hole on the rotating bar 206 is set to provide space for the clamping rod 203 to slide in the straight line segment 2 and the straight line segment 3.

[0038] Furthermore, the diverter device 3 includes a conveyor belt 201, a limit rod 301 arranged on opposite sides of the conveyor belt 201, and a diverter arc plate 302 is rotatably connected to the end of the conveyor belt 201 near the spraying device 4. An incomplete gear 1 303 and an incomplete gear 2 304 are fixed on both upper and lower sides of the rotating shaft fixed to the end of the diverter arc plate 302. The incomplete gear 1 303 and the incomplete gear 2 304 are both externally meshed with the incomplete gear 3 305. There are two toothed parts on the incomplete gear 3 305. The incomplete gear 3 305 is coaxially fixedly connected with the output shaft of the diverter motor 306. When the diverter motor 306 rotates, when the incomplete gear 3 305 rotates clockwise, when the first toothed part thereof meshes with the incomplete gear 1 303, the incomplete gear 1 303 rotates counterclockwise, and the diverter arc plate 302 It rotates counterclockwise toward the spraying device 4 on one side, and then the toothless part of the incomplete gear three 305 rotates, and the diverter arc plate 302 is stationary. With further rotation, the second toothed part meshes with the incomplete gear two 304, and the incomplete gear two 304 rotates clockwise, and the diverter arc plate 302 returns to its original position clockwise. With further rotation, the first toothed part meshes with the incomplete gear two 304, and the incomplete gear two 304 rotates clockwise, and the diverter arc plate 302 rotates clockwise toward the spraying device 4 on the other side. With the rotation of the incomplete gear three 305 again, the second toothed part meshes with the incomplete gear one 303, and the diverter arc plate 302 rotates counterclockwise back to its original position, thereby delivering the two steel barrels into the spraying devices 4 on both sides respectively. The diverter device 3 is arranged to cooperate with the two spraying devices 4 to improve the spraying efficiency.

[0039] Furthermore, the driving rod 403 located below the rotating plate 405 is provided with a limiting rotation connection on the outer sleeve of the driving rod 1 403, and the bottom of the connecting plate 5 is connected to the pressure plate 7 through a spring 6. The bottom surface of the pressure plate 7 is provided with a concave annular groove, and the periphery of the pressure plate 7 is provided with a through arc strip 8. The two driving rods 404 are slidably connected in the corresponding arc strip 8. When the rotating plate 405 descends, the connecting plate 5 descends, and the pressure plate 7 descends. The annular groove on the bottom surface of the pressure plate 7 first contacts the top of the steel barrel and fixes it, thereby improving the stability of the steel barrel and avoiding shaking of the steel barrel during spraying. As the rotating plate 405 further descends, the pressure plate 7 does not move, and the spring 6 between the pressure plate 7 and the connecting plate 5 is compressed to ensure that the connecting plate 5 descends smoothly. At the same time, the arc strip 8 is provided on the pressure plate 7, which can play a certain limiting role on the driving rod and ensure that it avoids the spraying effect on the outside of the steel barrel.

[0040] Furthermore, the two outer nozzles 402 are arranged facing each other, and the inner nozzle 401 is arranged towards the axis core away from the driving rod 403. The outer nozzle 402 avoids spraying on the outside of the steel barrel, and the inner nozzle 401 sprays on the inner wall of the steel barrel.

[0041] Furthermore, a recovery box 10 is provided in the support seat below the conveyor belt 3 9 of each spraying device 4, and the recovery box 10 is provided for recovering the spraying liquid flowing down during the spraying process.

[0042] Working principle of a steel drum spraying line:

[0043] The dividing device 1 separates multiple horizontally lying steel barrels one by one and places them close to the flipping device 2. The flipping device 2 flips the horizontally lying steel barrels into a vertical state and places them on the conveyor belt 201 of the diverting device 3. The diverting device 3 again sends the continuously conveyed steel barrels into two identical spraying devices 4 on both sides of the diverting device 3. In this way, the spraying devices 4 on both sides can complete the spraying of the steel barrels in an alternating manner, which significantly improves the spraying efficiency. The entire assembly line is designed to realize automated transportation and spraying, replacing manual spraying, reducing the labor of manual operation, and significantly improving the overall production efficiency.

Claims

1. A steel drum spraying line, characterized by: The invention comprises a material distribution device (1), a turning device (2), a diverting device (3) and a spraying device (4) which are arranged on a bottom plate in sequence. The material distribution device (1) comprises a conveyor belt (101) whose lower end is inclined toward the turning device (2). A material distribution rod (102) which is rotatably connected to a supporting vertical plate (103) on one side is arranged in the middle of the conveyor belt. The conveyor belt (201) of the turning device (2) is perpendicular to the conveyor belt (101). The turning device (2) is used to turn a horizontally placed steel drum into a vertical state. A diverting device (3) is arranged at the end of the conveyor belt (201) away from the conveyor belt (101). Spraying devices (4) are arranged on both sides of the diverting device (3).

2. The steel drum spraying line according to claim 1 is characterized in that: The spraying device (4) comprises an inner spray head (401) and an outer spray head (402), wherein a plurality of the inner spray heads (401) are arranged around the circumference of the bottom end of the driving rod 1 (403), and the number of the outer spray heads (402) is 2, which are respectively located at the bottom end of the driving rod 2 (404), the driving rod 1 (403) and the driving rod 2 (404) are parallel, and the top of the driving rod 2 (404) is vertically fixed to the opposite sides of the bottom surface of the rotating plate (405), the driving rod 1 (403) passes through the center of the rotating plate (405) and the limit block (406) in the driving assembly that drives the driving rod 1 (403) to rotate, and the limit block (406) 6) is slidably connected to a slide rail (410) supporting a vertical plate, the driving rod 1 (403) is limitedly rotatably connected to a limit block (406), a clamping ball (407) is vertically fixed to the top of the driving rod 1 (403), and the clamping ball (407) is clamped in a slide groove 1 (409) on the inner side of a fixed arc plate (408), the fixed arc plate (408) is located directly above the slide rail (410), and the slide groove 1 (409) includes a connected groove section 1 and a groove section 2, the groove section 1 is linearly located on one side of the fixed arc plate (408), and the groove section 2 is an arc and gradually moves away from the groove section 1 along the direction close to the rotating plate (405).

3. The steel drum spraying line according to claim 2 is characterized in that: The driving assembly also includes a connecting rod 1 (411) hinged to the limit block (406), the other end of the connecting rod 1 (411) is hinged to the connecting rod 2 (412), and the other end of the connecting rod 2 (412) is fixedly connected to the output shaft of the driving motor (413).

4. The steel drum spraying line according to claim 3 is characterized in that: The dividing rod (102) is U-shaped and is rotatably connected to a supporting vertical plate (103). The two cross bars of the dividing rod (102) include an upper long cross bar and a lower short cross bar. The ends of the long cross bar and the short cross bar are both provided with dividing plates (104). The two dividing plates (104) are arranged facing each other, and the bottom surface of the short cross bar is in contact with the cam plate (105).

5. The steel drum spraying line according to claim 4 is characterized in that: The flip device (2) comprises two clamping cylinders (202) arranged on both sides of the clamping plate, the clamping plate is fixed to one end of the clamping rod (203), the clamping rod (203) is rotatably connected to the second supporting vertical plate (204), and the other end is snap-connected and slidably connected to the second slide groove (205) of the second supporting vertical plate (204), the second slide groove (205) comprises an arc segment 1 and a straight line segment 2 and a straight line segment 3 connected to the two ends of the arc segment, the center angle of the circle corresponding to the arc segment 1 is a right angle, the straight line segment 2 and the straight line segment 3 are respectively acute angles with the arc segment 1 and the two are at right angles, a rotating bar (206) is rotatably connected to the second supporting vertical plate (204), the rotating bar (206) is provided with a bar hole, and the short bar at the end of the clamping rod (203) passes through the bar hole and is snap-connected and slidably connected to the second slide groove (205).

6. The steel drum spraying line according to claim 5 is characterized by: The diversion device (3) includes a limit rod (301) arranged on opposite sides of the second conveyor belt (201); the end of the second conveyor belt (201) close to the spraying device (4) is rotatably connected to a diversion arc plate (302); an incomplete gear one (303) and an incomplete gear two (304) are fixed on the upper and lower sides of the rotating shaft fixed to the end of the diversion arc plate (302); the incomplete gear one (303) and the incomplete gear two (304) are both externally meshed with the incomplete gear three (305); there are two toothed parts on the incomplete gear three (305); the incomplete gear three (305) is coaxially fixedly connected to the output shaft of the diversion motor (306).

7. The steel drum spraying line according to claim 6 is characterized by: The driving rod 1 (403) located below the rotating plate (405) is provided with a connecting plate (5) on its outer surface for limiting rotation, and the bottom of the connecting plate (5) is connected to a pressure plate (7) via a spring (6). The bottom surface of the pressure plate (7) is provided with an inwardly concave annular groove, and the periphery of the pressure plate (7) is provided with a through arc strip (8), and the two driving rods 2 (404) are slidably connected to the corresponding arc strips (8).

8. The steel drum spraying line according to claim 7 is characterized by: The two outer nozzles (402) are arranged facing each other, and the inner nozzle (401) is arranged towards the axis away from the first driving rod (403).

9. The steel drum spraying line according to claim 8, characterized in that: A recovery box (10) is provided in the support seat below the conveyor belt three (9) of each spraying device (4).

10. The steel drum spraying line according to claim 9, characterized in that: The clamping rod (203) is coaxially fixedly connected to the output shaft of the stepping motor (11).

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