Spraying device for steel structure anticorrosive paint

Abstract

The invention relates to the technical field of spraying equipment, and particularly discloses a steel structure anticorrosive paint spraying device which comprises two roller conveyors and a spraying device, the two roller conveyors are oppositely arranged end to end, and the spraying device is arranged between the two roller conveyors. The spraying device comprises a base, a material distribution circular ring, a rotary drum, a spray head, a flexible material pipe, a main material pipe, a coating source and a power mechanism, the base is arranged between the two roller conveyors, the material distribution circular ring is fixed to the base through a support, the material distribution circular ring is provided with an annular inner cavity, and the rotary drum is arranged in the inner cavity. A feeding hole and a plurality of discharging holes which are communicated with an inner cavity of the material distribution ring are formed in the outer circumferential surface of the material distribution ring, the rotary drum is rotatably mounted in the material distribution ring, spray heads of which the number corresponds to that of the discharging holes are connected to the inner circumferential surface of the rotary drum, and the spray heads are connected with the discharging holes through flexible material pipes respectively; the device is ingenious in structure and capable of spraying paint in a reciprocating rotating mode.

Description

Technical Field

[0001] The invention relates to the technical field of spraying equipment, and in particular to a spraying device for anti-corrosion coating of steel structures. Background Art

[0002] Before the steel structure is put into use, it needs to pass through the spraying line to cover one or more layers of anti-corrosion paint on its surface. The existing spraying line generally includes two roller conveyors and a reciprocating spraying device. The two roller conveyors are arranged at intervals from head to tail, and the reciprocating spraying device is arranged between the two roller conveyors. The reciprocating spraying device includes a plurality of nozzles arranged correspondingly up and down, and the plurality of nozzles can reciprocate along the width direction of the roller conveyors. During spraying, the two roller conveyors convey the steel structure through the reciprocating spraying device, and the plurality of nozzles arranged up and down reciprocate to spray paint on the surface of the steel structure. The spraying line of the above structure is widely used, but in actual operation, the plurality of nozzles are arranged up and down, and the spraying effect on the horizontal side of the steel structure is poor, especially when the steel structure has a certain height, which needs to be improved. Summary of the invention

[0003] In order to solve the problems mentioned in the background technology, the purpose of the present invention is to provide a spraying device for anti-corrosion coating of steel structure.

[0004] In order to achieve the above object, the technical solution of the present invention is:

[0005] A spraying device for anti-corrosion coating of steel structure, comprising two roller conveyors and a spraying device, wherein the two roller conveyors are arranged head to tail opposite to each other, and the spraying device is arranged between the two roller conveyors, and the spraying device comprises a base, a material distribution ring, a rotating drum, a nozzle, a flexible material pipe, a main material pipe, a coating source and a power mechanism, wherein the base is fixedly arranged between the two roller conveyors, and the material distribution ring is fixed to the base through a bracket, and the axial direction of the material distribution ring is parallel to the transmission direction of the roller conveyors, and the material distribution ring has an annular inner cavity, and the outer peripheral surface of the material distribution ring has a A feed port and a plurality of discharge ports which are connected to the inner cavity thereof are provided, the plurality of discharge ports are evenly arranged around the circumference of the material distribution ring, the feed port is connected to the coating source through the main material pipe, the rotating drum is coaxially installed in the material distribution ring, the inner circumferential surface of the rotating drum is connected with nozzles corresponding to the number of the discharge ports, the plurality of nozzles are evenly arranged around the circumference of the rotating drum, the nozzles point to the axis of the rotating drum, the plurality of nozzles are respectively connected to the plurality of discharge ports through the flexible material pipe, and the power mechanism is installed on the base and is used to drive the rotating drum to reciprocate.

[0006] Furthermore, the power device includes a motor, a ring gear and a gear, the rotating drum is gap-fitted in the cloth ring, one axial end of the rotating drum is connected to a connecting ring, the ring gear is detachably connected to the connecting ring, the motor is fixed to the base through a machine base, the gear is fixed to the main shaft of the motor, the ring gear is meshed with the gear, the outer side of the rotating drum is sleeved with an anti-slip ring, and the cloth ring is clamped between the ring gear and the anti-slip ring.

[0007] Furthermore, connecting tubes corresponding to the number of the discharge ports are penetrated through the circumferential surface of the rotating drum, and a number of the connecting tubes are evenly arranged around the circumference of the rotating drum, and the connecting tubes point to the axis of the rotating drum. The ends of the connecting tubes located outside the rotating drum are respectively connected to the several discharge ports through the flexible material pipes, and the ends of the connecting tubes located inside the rotating drum are respectively connected to the nozzles.

[0008] The beneficial effects of the present invention are as follows: by driving the drum to rotate reciprocatingly through a power mechanism, a plurality of nozzles can evenly spray the steel structure parts passing through the drum, and there are no dead angles for spraying, thus avoiding the problem of uneven spraying; the structure of the entire device is cleverly designed and can be assembled using readily available parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is a perspective view of an embodiment of the present invention;

[0010] Figure 2 is a cross-sectional view of an embodiment of the present invention;

[0011] Figure 3 1 is an exploded view of the spraying device in an embodiment of the present invention.

[0012] Explanation of the accompanying drawing numbers: 1. Roller conveyor, 2. Base, 21. Bracket, 22. Machine base, 3. Cloth ring, 31. Inner cavity, 32. Feed port, 33. Discharge port, 4. Rotating drum, 41. Connecting ring, 42. Anti-slip ring, 43. Connecting pipe, 5. Nozzle, 6. Flexible material pipe, 7. Main material pipe, 8. Motor, 9. Gear ring, 10. Gear. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the protection scope of the present invention.

[0014] like Figure 1-Figure 3As shown, a spraying device for anti-corrosion coating of steel structure includes two roller conveyors 1 and a spraying device. The two roller conveyors 1 are arranged head to tail opposite to each other, and the spraying device is arranged between the two roller conveyors 1. The spraying device includes a base 2, a material distribution ring 3, a rotating drum 4, a nozzle 5, a flexible material pipe 6, a main material pipe 7, a coating source and a power mechanism. The base 2 is fixedly arranged between the two roller conveyors 1, and a bracket 21 is fixedly installed on the base 2. A material distribution ring 3 is fixedly installed on the top of the bracket 21. The axial direction of the material distribution ring 3 is parallel to the transmission direction of the roller conveyor 1. The material distribution ring 3 has an annular inner cavity 31. A feed port 32 and a plurality of discharge ports 33 connected to the inner cavity 31 are arranged on the outer peripheral surface of the material distribution ring 3. The plurality of discharge ports 33 are evenly arranged around the circumference of the material distribution ring 3. The feed port 32 is connected to the coating source (not shown in the figure) through the main material pipe 7. The rotating drum 4 is installed in the material distribution ring 3. , a plurality of connecting pipes 43 are provided in the circumference of the rotating drum 4, and the number of the connecting pipes 43 corresponds to the number of the discharge ports 33. The plurality of connecting pipes 43 are evenly arranged around the circumference of the rotating drum 4, and each connecting pipe 43 points to the axis of the rotating drum 4. One end of the plurality of connecting pipes 43 located outside the rotating drum 4 is connected to the plurality of discharge ports 33 through a flexible material pipe 6, and one end of the plurality of connecting pipes 43 located inside the rotating drum 4 is connected to a nozzle 5, respectively. The power device comprises a motor 8, a gear ring 9 and a gear 10. A connecting ring 41 is connected to the rear end of the rotating drum 4, and a gear ring 9 is connected to the connecting ring 41 through a plurality of bolts. The motor 8 is fixed to the base 2 through a machine base 22. A gear 10 is fixed to the main shaft of the motor 8, and the gear ring 9 is meshed with the bottom of the gear 10. An anti-slip ring 42 is sleeved on the outside of the rotating drum 4, and the cloth ring 3 is sandwiched between the gear ring 9 and the anti-slip ring 42. The steel structure transmitted by the roller conveyor 1 can pass through the rotating drum 4.

[0015] During actual spraying, the motor 8 drives the drum 4 to rotate back and forth, so that the plurality of nozzles 5 can evenly spray the steel structure passing through the drum 4, without any dead angles for spraying, thus avoiding the problem of uneven spraying.

[0016] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. All modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spraying device for anti-corrosion coating of steel structure, comprising two roller conveyors (1) and a spraying device, wherein the two roller conveyors (1) are arranged head to tail opposite to each other, and the spraying device is arranged between the two roller conveyors (1), characterized in that: The spraying device comprises a base (2), a material distribution ring (3), a rotating drum (4), a nozzle (5), a flexible material pipe (6), a main material pipe (7), a coating material source and a power mechanism. The base (2) is fixedly arranged between the two roller conveyors (1). The material distribution ring (3) is fixed to the base (2) via a bracket (21). The axial direction of the material distribution ring (3) is parallel to the transmission direction of the roller conveyors (1). The material distribution ring (3) has an annular inner cavity (31). The outer circumferential surface of the material distribution ring (3) is provided with a feed port (32) and a plurality of discharge ports (33) which are connected to the inner cavity (31). The plurality of discharge ports (33) are connected to the inner cavity (31). ) are evenly arranged around the circumference of the material distribution ring (3), the feed port (32) is connected to the coating source through the main material pipe (7), the rotating drum (4) is coaxially rotatably installed in the material distribution ring (3), and the inner circumference of the rotating drum (4) is connected with nozzles (5) corresponding to the number of the discharge ports (33), a plurality of the nozzles (5) are evenly arranged around the circumference of the rotating drum (4), the nozzles (5) point to the axis of the rotating drum (4), and a plurality of the nozzles (5) are respectively connected to a plurality of the discharge ports (33) through the flexible material pipe (6), and the power mechanism is installed on the base (2) and is used to drive the rotating drum (4) to reciprocate.

2. A spraying device for anti-corrosion coating of steel structure according to claim 1, characterized in that: The power device comprises a motor (8), a gear ring (9) and a gear (10); the rotating drum (4) is loosely fitted in the cloth ring (3); one axial end of the rotating drum (4) is connected to a connecting ring (41); the connecting ring (41) is detachably connected to the gear ring (9); the motor (8) is fixed to the base (2) via a machine base (22); the gear (10) is fixed to the main shaft of the motor (8); the gear ring (9) is meshed with the gear (10); an anti-slip ring (42) is sleeved on the outside of the rotating drum (4); and the cloth ring (3) is sandwiched between the gear ring (9) and the anti-slip ring (42).

3. A spraying device for anti-corrosion coating of steel structure according to claim 1, characterized in that: A number of connecting pipes (43) corresponding to the number of the discharge ports (33) are provided in the circumferential surface of the rotating drum (4), and a plurality of the connecting pipes (43) are evenly arranged around the circumference of the rotating drum (4). The connecting pipes (43) point to the axis of the rotating drum (4), and one end of the plurality of connecting pipes (43) located outside the rotating drum (4) is connected to the plurality of discharge ports (33) through the flexible material pipe (6), and one end of the plurality of connecting pipes (43) located inside the rotating drum (4) is connected to the nozzles (5).

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