Casting paint spraying device

Abstract

The utility model discloses a casting paint spraying device. The casting paint spraying device comprises an ejector and a control device which are connected together, the ejector comprises an air pipe, a paint pipe, an atomizer, a sealing plate, a sliding sleeve, an atomizing ring, an ejection block and a connecting rod, the sliding sleeve is arranged at one end of the air pipe in a sleeving mode, the other end of the air pipe is connected with the control device, the paint pipe is arranged in the air pipe, the two ends of the paint pipe are connected with the control device and the sealing plate respectively, and the atomizer is connected to the end, close to the sealing plate, of the paint pipe. The spraying block is connected into one end of the atomization ring, the other end of the spraying block is connected with the sliding sleeve, a sealing cavity is formed in the spraying block, a spraying opening communicating with the sealing cavity is formed in one side of the spraying block, and the multiple connecting rods are connected to the sealing plate and located in the sealing cavity; the casting paint spraying device is simple in structure, convenient to use and practical, secondary atomization is carried out through the atomization ring, and the phenomenon that paint points appear on the surface of a casting and paint spraying is uneven due to the fact that paint atomized by an atomizer is attached to the spraying block and blows the casting along with high-pressure gas is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of casting spray painting, and in particular relates to a casting spray painting device. Background Art

[0002] After the casting is processed, it needs to be painted for surface treatment. The painting of the casting is generally done manually or by a robot. Due to the complex structure of the casting, it is necessary to arrange manual or mechanical work according to the production quantity. However, the nozzle of the existing spray gun can generally only spray directly, and the inner cavity structure of the casting is complex. The existing spray gun cannot meet the requirements of painting such a complex casting, especially on one side. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a casting painting device, which has a simple structure, is convenient and practical, and performs secondary atomization through an atomizing ring to prevent the paint atomized by the atomizer from adhering to the injection block and blowing the casting with high-pressure gas, resulting in uneven paint spots on the casting surface.

[0004] A casting painting device comprises an injector and a control device connected together; the injector comprises an air pipe, a paint pipe, an atomizer, a sealing plate, a sliding sleeve, an atomizing ring, an injection block and a connecting rod, the sliding sleeve is arranged on one end of the air pipe and the other end is connected to the control device, the paint pipe is arranged in the air pipe and the two ends are respectively connected to the control device and the sealing plate, the atomizer is connected to one end of the paint pipe close to the sealing plate, the injection block is connected in one end of the atomizing ring and the other end is connected to the sliding sleeve, a sealing cavity is arranged in the injection block and a nozzle connected to the sealing cavity is opened on one side, a plurality of connecting rods are connected to the sealing plate and are located in the sealing cavity, a limiting boss is arranged at one end of the air pipe close to the sealing plate; a joint is arranged on the air pipe.

[0005] Preferably, a sealing ring is provided between the sliding sleeve and the trachea.

[0006] Preferably, the control device includes a fixed block, an airtight ring and a gate valve, the fixed block is penetrated by a pull hole, one end of the paint tube passes through the pull hole and is connected to the gate valve, the fixed block is provided with a gate valve installation groove, and the gate valve is arranged on the gate valve installation groove.

[0007] Preferably, a pull tube is connected to the gate valve, a control cylinder is connected to the fixed block, a piston rod of the control cylinder is connected to the pull tube, and a quick connector is connected to the pull tube.

[0008] Preferably, the gate valve is a push valve or a solenoid valve.

[0009] Beneficial effects:

[0010] (1) The utility model provides a casting painting device, which has a simple structure, is convenient and practical. Secondary atomization is performed through an atomizing ring to prevent the paint atomized by the atomizer from adhering to the injection block and blowing the casting with high-pressure gas, resulting in uneven paint spots on the casting surface.

[0011] (2) The utility model provides a casting painting device, which controls the cylinder to adjust the displacement of the injection block and the atomizing circle, so that the injector can realize direct spraying and side spraying, so as to achieve more comprehensive and convenient painting of the casting and reduce the occurrence of painting dead corners. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a paint spraying device;

[0013] Figure 2 It is a structural schematic diagram of the control device;

[0014] Figure 3 It is a schematic diagram of the structure of the ejector;

[0015] 1-control cylinder, 2-injector, 21-air pipe, 22-paint pipe, 23-atomizer, 24-sealing plate, 25-sleeve, 26-sealing ring, 27-atomizing ring, 28-injection block, 29-sealing chamber, 210-nozzle, 211-connecting rod, 3-control device, 31-fixed block, 32-pull hole, 33-airtight ring, 34-gate valve, 35-pull pipe, 36-quick connector, 37-gate valve mounting groove. DETAILED DESCRIPTION

[0016] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.

[0017] Example 1

[0018] like Figures 1 to 3As shown; a casting painting device, including an injector 2 and a control device 3 connected together; the injector 2 includes an air pipe 21, a paint pipe 22, an atomizer 23, a sealing plate 24, a sleeve 25, an atomizing ring 27, an injection block 28 and a connecting rod 211, the sleeve 25 is sleeved on one end of the air pipe 21 and the other end is connected to the control device 3, the paint pipe 22 is arranged in the air pipe 21 and the two ends are respectively connected to the control device 3 and the sealing plate 24, the atomizer 23 is connected to one end of the paint pipe 22 close to the sealing plate 24, the injection block 28 is connected to one end of the atomizing ring 27 and the other end is connected to the sleeve 25, a sealed cavity 29 is arranged in the injection block 28 and a nozzle 210 connected to the sealed cavity 29 is opened on one side, and a plurality of connecting rods 211 are connected in the sealed cavity 29. On the sealing plate 24 and located in the sealing cavity 29, a limiting boss is provided at one end of the air pipe 21 close to the sealing plate 24; a joint is provided on the air pipe 21; a sealing ring 26 is provided between the sleeve 25 and the air pipe 21; the control device 3 includes a fixed block 31, an airtight ring 33 and a gate valve 34, a pull hole 32 is passed through the fixed block 31, one end of the paint tube 22 passes through the pull hole 32 and is connected to the gate valve 34, a gate valve mounting groove 37 is opened on the fixed block 31, and the gate valve 34 is arranged on the gate valve mounting groove 37; a pull pipe 35 is connected to the gate valve 34, and a control cylinder 1 is connected to the fixed block 31, the piston rod of the control cylinder 1 is connected to the pull pipe 35, and a quick connector 36 is connected to the pull pipe 35; the gate valve 34 is a push valve or a solenoid valve.

[0019] The paint liquid is introduced into the paint pipe 22 through the quick connector 36, and then the paint liquid is atomized and sprayed into the air pipe 21 by the atomizer 23. At the same time, the high-pressure gas is introduced into the air pipe 21 through the connector.

[0020] During direct injection, the control cylinder 1 is turned on, and the pull tube 35 is driven to move by the control cylinder 1. The pull tube 35 drives the gate valve 34, the paint tube 22, the sealing plate 24 and the connecting rod 211 to move in sequence. When the connecting rod 211 moves, it contacts the inner wall of the sealing chamber 29, so that the injection block 28 moves along with it. The injection block 28 simultaneously drives the atomizing ring 27 and the sliding sleeve 25 to move until the injection block 28 contacts the air pipe 21, so that the high-pressure gas and the atomized paint liquid are mixed and enter the sealing chamber 29 and the nozzle 210, and are sprayed out from the nozzle 210;

[0021] During side spraying, the pull tube 35 is driven to move by controlling the cylinder 1, and the pull tube 35 drives the gate valve 34, the paint tube 22, the sealing plate 24 and the connecting rod 211 to move in turn. The sealing plate 24 moves to contact the inner wall of the sealing chamber 29 and seals the nozzle 210. At the same time, the sealing plate 24 drives the injection block 28, the atomizing ring 27 and the sliding sleeve 25 to move, so that the sliding sleeve 25 moves to contact the limiting boss, so that the high-pressure gas and the atomized paint liquid are mixed and sprayed out through the atomizing ring 27.

[0022] When the robot controls the spray painting, the solenoid valve is used to control the paint to enter the air pipe 21, and the side spraying or direct spraying of the paint is controlled by controlling the cylinder 1; when the paint is sprayed manually, the press valve is used to control the paint to enter the air pipe 21.

[0023] The specific embodiments of the present invention are described in detail above, but they are only examples, and the present invention is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modification and substitution of the present invention is also within the scope of the present invention. Therefore, the equivalent transformation and modification made without departing from the spirit and scope of the present invention are all within the scope of the present invention.

Claims

1. A casting painting device, characterized in that: The invention comprises an injector (2) and a control device (3) connected together; the injector (2) comprises an air pipe (21), a paint pipe (22), an atomizer (23), a sealing plate (24), a sleeve (25), an atomizing ring (27), an injection block (28) and a connecting rod (211); the sleeve (25) is sleeved on one end of the air pipe (21) and the other end is connected to the control device (3); the paint pipe (22) is arranged in the air pipe (21) and the two ends are respectively connected to the control device (3) and the sealing plate (24); the atomizer (23) The spray block (28) is connected to one end of the paint tube (22) near the sealing plate (24); the spray block (28) is connected to one end of the atomizing ring (27) and the other end is connected to the sliding sleeve (25); a sealing cavity (29) is arranged in the spray block (28) and a nozzle (210) connected to the sealing cavity (29) is opened on one side; a plurality of connecting rods (211) are connected to the sealing plate (24) and are located in the sealing cavity (29); a limiting boss is arranged at one end of the air pipe (21) near the sealing plate (24); and a joint is arranged on the air pipe (21).

2. A casting painting device as claimed in claim 1, characterized in that: A sealing ring (26) is provided between the sliding sleeve (25) and the air pipe (21).

3. A casting painting device as claimed in claim 1 or 2, characterized in that: The control device (3) comprises a fixed block (31), an airtight ring (33) and a gate valve (34); a pull hole (32) passes through the fixed block (31); one end of the paint tube (22) passes through the pull hole (32) and is connected to the gate valve (34); a gate valve mounting groove (37) is provided on the fixed block (31); and the gate valve (34) is arranged on the gate valve mounting groove (37).

4. A casting painting device as claimed in claim 3, characterized in that: The gate valve (34) is connected to a pull tube (35), the fixed block (31) is connected to a control cylinder (1), the piston rod of the control cylinder (1) is connected to the pull tube (35), and the pull tube (35) is connected to a quick connector (36).

5. A casting painting device as claimed in claim 4, characterized in that: The gate valve (34) is a push valve or a solenoid valve.

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