Automatic spraying equipment for valves

Abstract

The utility model discloses automatic spraying equipment for a valve, which comprises a case, a rotating column rotationally connected to the case, a pneumatic chuck connected to the rotating column, a housing buckled on the periphery of the pneumatic chuck on the case, an outer wall spraying mechanism mounted on one side of the housing and used for spraying the outer wall of the valve, and a vertical first cylinder mounted on the top of the housing, the telescopic end of the first air cylinder is connected with a first inner wall spraying mechanism, a first open hole is formed in the other side of the housing, a sleeve is fixed in the first open hole, a second air cylinder is installed on the portion, below the sleeve, of the housing, and the telescopic end of the second air cylinder is connected with a second inner wall spraying mechanism. And after the vertical inner wall of the valve body is sprayed, the transverse inner wall of the valve body is sprayed through the second inner wall spraying mechanism, the spraying range is widened, and therefore comprehensive spraying of the outer wall and the inner wall is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying equipment, in particular to an automatic valve spraying equipment. Background Technique

[0002] A valve is a mechanical device that controls the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. A valve is a basic component in a pipeline system. The valve sealing pair consists of a valve seat and a closing member, and relies on the two precisely machined sealing surfaces on the valve seat and the closing member to be in close contact or the sealing surface to be plastically deformed under pressure to achieve sealing. It is the main part to ensure the reliable operation of the valve. As Figure 2 shown, it is a schematic diagram of the valve body in a valve. When manufacturing the valve body, it is necessary to spray anti-corrosion paint on its inner wall and outer wall to improve the anti-corrosion performance.

[0003] However, the current valve body spraying device has the following problems: (1) Generally, it can only spray the outer wall. When spraying the inner wall, the valve body needs to be moved to the inner wall spraying device, resulting in low spraying efficiency; (2) Since the valve body has a vertical inner wall and a horizontal inner wall, and the current spraying device generally can only spray the inner wall in one direction, resulting in a small spraying area and low spraying efficiency. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an automatic valve spraying equipment to solve the problems mentioned in the above background technique.

[0005] To solve the above technical problems, the utility model provides the following technical solutions:

[0006] An automatic valve spraying equipment includes a chassis. A rotating column is rotatably connected to the chassis. A driving mechanism for driving the rotating column to rotate is arranged in the chassis. A pneumatic chuck is connected to the rotating column. A transparent cover is buckled on the periphery of the pneumatic chuck on the chassis. An outer wall spraying mechanism for spraying the outer wall of the valve is installed on one side of the cover. A vertical first air cylinder is installed on the top of the cover. The telescopic end of the first air cylinder is connected with a first inner wall spraying mechanism. A first opening is formed on the other side of the cover. A sleeve is fixed in the first opening. A second air cylinder is installed under the sleeve on the cover. The telescopic end of the second air cylinder is connected with a second inner wall spraying mechanism. The vertical surface of the inner wall of the valve is sprayed by the first inner wall spraying mechanism, and the horizontal surface of the inner wall of the valve is sprayed by the second inner wall spraying mechanism; A paint storage tank is installed on one side of the chassis. A paint conveying main pipe is connected to the paint storage tank through a pump body. A first paint conveying branch pipe, a second paint conveying branch pipe and a third paint conveying branch pipe are connected to the paint conveying main pipe. The first inner wall spraying mechanism is connected with the first paint conveying branch pipe, the outer wall spraying mechanism is connected with the second paint conveying branch pipe, and the second inner wall spraying mechanism is connected with the third paint conveying branch pipe.

[0007] Preferably, the driving mechanism includes a first motor installed in the chassis, a first transmission shaft connected to the first motor through a coupling, a first main gear connected to the first transmission shaft, and a first sub-gear connected to the rotating column. The first main gear meshes with the first sub-gear.

[0008] In the above technical solution, when the first motor is started, the rotating column is driven to rotate through the cooperation of the first main gear and the first sub-gear, thereby driving the pneumatic chuck to rotate.

[0009] Preferably, the outer wall spraying mechanism includes a first vertical pipe installed on the housing, and a plurality of first branch pipes connected to the first pipe. The first branch pipes extend into the housing, and a first nozzle is installed at the extended end. The upper end of the first pipe is connected to the second paint delivery branch pipe.

[0010] In the above technical solution, the outer wall of the valve body can be sprayed through a plurality of vertical first nozzles. At the same time, the rotating column is driven to rotate, driving the valve body to rotate, so that the outer wall of the valve body can be comprehensively sprayed.

[0011] Preferably, the first inner wall spraying mechanism includes a first mounting plate installed at the telescopic end of the first cylinder, a second vertical pipe connected to the first mounting plate, a plurality of second nozzles installed on the second pipe, and a first hose connected to the second pipe. A second opening is provided in the upper part of the housing. The first hose passes through the second opening and is connected to the first paint delivery branch pipe. The extension line of the second pipe is located at the center of the pneumatic chuck.

[0012] In the above technical solution, control the first cylinder to extend, drive the second pipe to enter the valve body from the vertical pipe orifice, and through a plurality of second nozzles, and then cooperate with the rotation of the valve body, the vertical inner wall of the valve body can be comprehensively sprayed.

[0013] Preferably, the second inner wall spraying mechanism includes a third pipe slidably connected to the sleeve, a plurality of third nozzles connected to the inner end of the third pipe, and a second hose connected to the outer end of the third pipe through a rotary joint. The second hose is connected to the third paint delivery branch pipe. The second inner wall spraying mechanism further includes an L-shaped plate connected to the telescopic end of the second cylinder, a second motor installed on the L-shaped plate, a second transmission shaft connected to the second motor through a coupling, a second main gear connected to the second transmission shaft, a second sub-gear connected to the third pipe. The second main gear meshes with the second sub-gear, and the outer end of the third pipe is rotatably connected to the L-shaped plate.

[0014] In the above technical solution, after the outer wall and the vertical inner wall of the valve body are sprayed, control the second cylinder to extend, drive the third pipe to insert into the horizontal pipe orifice of the valve body, and then start the second motor. Through the cooperation of the second main gear and the second sub-gear, drive the third pipe to rotate, so as to comprehensively spray the horizontal inner wall of the valve body through the third nozzles.

[0015] Preferably, control valves are installed on the first paint delivery branch pipe, the second paint delivery branch pipe, and the third paint delivery branch pipe.

[0016] In the above technical solution, the opening and closing of the first paint delivery branch pipe, the second paint delivery branch pipe, and the third paint delivery branch pipe can be respectively controlled by three control valves.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] (1) The valve body is fixed by a pneumatic chuck, and the rotating column is driven to rotate by a driving mechanism, driving the pneumatic chuck and the valve body to rotate, so as to comprehensively spray the outer wall of the valve body through the outer wall spraying mechanism. After the spraying is completed, the vertical inner wall of the valve body is sprayed by the first inner wall spraying mechanism, improving the spraying efficiency.

[0019] (2) After the vertical inner wall of the valve body is sprayed, the horizontal inner wall of the valve body is sprayed by the second inner wall spraying mechanism, increasing the spraying range, so as to achieve comprehensive spraying of the outer wall and the inner wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the present utility model;

[0021] Figure 2 is a schematic diagram of the valve body;

[0022] In the figure: 1 - chassis, 2 - rotating column, 3 - pneumatic chuck, 4 - housing, 5 - first cylinder, 6 - sleeve, 7 - second cylinder, 8 - paint storage tank, 9 - pump body, 10 - paint delivery main pipe, 11 - first paint delivery branch pipe, 12 - second paint delivery branch pipe, 13 - third paint delivery branch pipe, 14 - first motor, 15 - first main gear, 16 - first sub - gear, 17 - first pipe, 18 - first branch pipe, 19 - first nozzle, 21 - first mounting plate, 22 - second pipe, 23 - second nozzle, 24 - first hose, 25 - third pipe, 26 - third nozzle, 27 - rotary joint, 28 - second hose, 29 - L - shaped plate, 30 - second motor, 31 - second main gear, 32 - second sub - gear, 33 - control valve, 34 - valve body. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] Please refer to Figure 1 Figure 1 , a valve automatic spraying device, including a chassis 1, a rotating column 2 is rotatably connected to the chassis 1, and a driving mechanism for driving the rotation of the rotating column is provided in the chassis 1. Specifically, the driving mechanism includes a first motor 14 installed in the chassis, a first transmission shaft connected to the first motor through a coupling, a first main gear 15 connected to the first transmission shaft, and a first sub-gear 16 connected to the rotating column. The first main gear 15 meshes with the first sub-gear 16. Starting the first motor 14, through the cooperation of the first main gear 15 and the first sub-gear 16, the rotating column 2 is driven to rotate.

[0026]

[0026] A pneumatic chuck 3 is connected to the rotating column 2. The pneumatic chuck 3 is a prior art and will not be described in detail in this application. A transparent cover 4 is buckled on the outer periphery of the pneumatic chuck on the chassis 1. An outer wall spraying mechanism for spraying the outer wall of the valve is installed on one side of the cover 4. A vertical first cylinder 5 is installed on the top of the cover 4. The telescopic end of the first cylinder 5 is connected to a first inner wall spraying mechanism. A first opening is provided on the other side of the cover 4, and a sleeve 6 is fixed in the first opening. A second cylinder 7 is installed under the sleeve on the cover 4. The telescopic end of the second cylinder 7 is connected to a second inner wall spraying mechanism. The vertical surface of the inner wall of the valve is sprayed by the first inner wall spraying mechanism, and the horizontal surface of the inner wall of the valve is sprayed by the second inner wall spraying mechanism; A paint storage tank 8 is installed on one side of the chassis 1. A paint delivery main pipe 10 is connected to the paint storage tank 8 through a pump body 9. The paint delivery main pipe 10 is connected to a first paint delivery branch pipe 11, a second paint delivery branch pipe 12, and a third paint delivery branch pipe 13. Control valves 33 are installed on the first paint delivery branch pipe 11, the second paint delivery branch pipe 12, and the third paint delivery branch pipe 13.

[0027] The outer wall spraying mechanism includes a first vertical pipe 17 installed on the cover and a number of first branch pipes 18 connected to the first pipe. The first branch pipes 18 extend into the cover 4, and a first nozzle 19 is installed at the extended end. The upper end of the first pipe 17 is connected to the second paint delivery branch pipe 13. The outer wall of the valve body can be sprayed through a number of vertical first nozzles. At the same time, the rotating column is driven to rotate, driving the valve body to rotate, so that the outer wall of the valve body can be sprayed comprehensively.

[0028] The first inner wall spraying mechanism includes a first mounting plate 21 installed at the telescopic end of a first cylinder, a vertical second pipe 22 connected to the first mounting plate, a number of second nozzles 23 installed on the second pipe, and a first hose 24 connected to the second pipe. A second opening is provided at the upper part of the housing 4. The first hose 24 passes through the second opening and is connected to the first paint delivery branch pipe 11. The extension line of the second pipe 22 is located at the center of the circle of the pneumatic chuck 3. When the pneumatic chuck fixes the valve body, the vertical inner cavity of the valve body can be aligned with the second pipe so that the second pipe can enter the valve body. Control the first cylinder to extend, drive the second pipe to enter the valve body from the vertical pipe orifice, and through a number of second nozzles, and then cooperate with the rotation of the valve body, the vertical inner wall of the valve body can be comprehensively sprayed.

[0029] The second inner wall spraying mechanism includes a third pipe 25 slidably connected inside a sleeve, a number of third nozzles 26 connected to the inner end of the third pipe, and a second hose 28 connected to the outer end of the third pipe through a rotary joint 27. The second hose 28 is connected to the third paint delivery branch pipe 13. The second inner wall spraying mechanism further includes an L-shaped plate 29 connected to the telescopic end of a second cylinder, a second motor 30 installed on the L-shaped plate, a second transmission shaft connected to the second motor through a coupling, a second main gear 31 connected to the second transmission shaft, a second sub-gear 32 connected to the third pipe, the second main gear 31 meshes with the second sub-gear 32, and the outer end of the third pipe 25 is rotatably connected to the L-shaped plate 29. When the outer wall and the vertical inner wall of the valve body are sprayed, control the second cylinder to extend, drive the third pipe to insert into the horizontal pipe orifice of the valve body, and then start the second motor. Through the cooperation of the second main gear and the second sub-gear, drive the third pipe to rotate, so as to comprehensively spray the horizontal inner wall of the valve body through the third nozzles.

[0030] The working principle of this embodiment is as follows: Fix the valve body 34 through the pneumatic chuck 3, then control the first cylinder 5 to extend, drive the second pipe 22 to enter from the vertical pipe orifice of the valve body, and then open the control valves 33 on the first paint delivery branch pipe 11 and the second paint delivery branch pipe 12, spray the outer wall of the valve body through a number of vertical first nozzles 19, spray the vertical inner wall of the valve body through a number of second nozzles 23, and at the same time drive the rotating column 2 to rotate, drive the valve body 34 to rotate, then the outer wall and the vertical inner wall of the valve body can be comprehensively sprayed. When the spraying of the outer wall and the vertical inner wall is completed, the rotating column 2 stops rotating, the first cylinder 5 contracts, so that the second pipe 22 leaves the valve body, then control the second cylinder 7 to extend, drive the third pipe 25 to insert into the horizontal pipe orifice of the valve body, then open the control valve on the third paint delivery branch pipe 13, and start the second motor 30, drive the third pipe 25 to rotate, so as to comprehensively spray the horizontal inner wall of the valve body through the third nozzles 26.

[0031] It should be noted that the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic valve spraying device, characterized in that: It includes a chassis (1), on which a rotating column (2) is rotatably connected. There is a driving mechanism for driving the rotation of the rotating column in the chassis (1). An air chuck (3) is connected to the rotating column (2). A transparent cover (4) is buckled on the chassis (1) around the air chuck. On one side of the cover (4), there is an outer wall spraying mechanism for spraying the outer wall of the valve. On the top of the cover (4), a vertical first cylinder (5) is installed. The telescopic end of the first cylinder (5) is connected with a first inner wall spraying mechanism. On the other side of the cover (4), a first opening is provided, and a sleeve (6) is fixed in the first opening. On the cover (4) below the sleeve, a second cylinder (7) is installed. The telescopic end of the second cylinder (7) is connected with a second inner wall spraying mechanism. The vertical surface of the inner wall of the valve is sprayed by the first inner wall spraying mechanism, and the horizontal surface of the inner wall of the valve is sprayed by the second inner wall spraying mechanism; On one side of the chassis (1), a paint storage tank (8) is installed. The paint storage tank (8) is connected with a main paint conveying pipe (10) through a pump body (9). The main paint conveying pipe (10) is connected with a first paint conveying branch pipe (11), a second paint conveying branch pipe (12) and a third paint conveying branch pipe (13). The first inner wall spraying mechanism is connected with the first paint conveying branch pipe (11), the outer wall spraying mechanism is connected with the second paint conveying branch pipe (12), and the second inner wall spraying mechanism is connected with the third paint conveying branch pipe (13).

2. The automatic valve spraying equipment according to claim 1, characterized in that: The driving mechanism includes a first motor (14) installed in the chassis, a first transmission shaft connected to the first motor through a coupling, a first main gear (15) connected to the first transmission shaft, and a first sub-gear (16) connected to the rotating column. The first main gear (15) meshes with the first sub-gear (16).

3. The automatic valve spraying equipment according to claim 2, characterized in that: The outer wall spraying mechanism includes a first vertical pipe (17) installed on the cover and a number of first branch pipes (18) connected to the first pipe. The first branch pipes (18) extend into the cover (4), and the extended ends are installed with first nozzles (19). The upper end of the first pipe (17) is connected with the second paint conveying branch pipe (12).

4. The automatic valve spraying equipment according to claim 3, characterized in that: The first inner wall spraying mechanism includes a first mounting plate (21) installed at the telescopic end of the first cylinder, a second vertical pipe (22) connected to the first mounting plate, a number of second nozzles (23) installed on the second pipe, and a first flexible pipe (24) connected to the second pipe. A second opening is provided in the upper part of the cover (4). The first flexible pipe (24) passes through the second opening and is connected with the first paint conveying branch pipe (11). The extension line of the second pipe (22) is located at the center of the circle of the air chuck (3).

5. The automatic valve spraying device according to claim 4, characterized in that: The second inner wall spraying mechanism includes a third pipeline (25) slidably connected inside the sleeve, a plurality of third nozzles (26) connected to the inner end of the third pipeline, a second hose (28) connected to the outer end of the third pipeline through a rotary joint (27), and the second hose (28) is connected to the third paint delivery branch pipe (13). The second inner wall spraying mechanism further includes an L-shaped plate (29) connected to the telescopic end of the second cylinder, a second motor (30) installed on the L-shaped plate, a second transmission shaft connected to the second motor through a coupling, a second main gear (31) connected to the second transmission shaft, a second sub-gear (32) connected to the third pipeline, the second main gear (31) meshes with the second sub-gear (32), and the outer end of the third pipeline (25) is rotatably connected to the L-shaped plate (29).

6. The automatic valve spraying equipment according to claim 5, characterized in that: Control valves (33) are installed on the first paint delivery branch pipe (11), the second paint delivery branch pipe (12), and the third paint delivery branch pipe (13).

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