Rudder cabin plasma spraying device

Abstract

The utility model discloses a rudder cabin plasma spraying device which comprises a base, a six-axis mechanical arm is fixedly connected to the top of one end of the base, a powder feeding mechanism is fixedly connected to the top of the other end of the base, a connecting plate is installed on a flange at the front end of the six-axis mechanical arm through screws, and a plasma spraying gun is fixedly connected to the bottom of the connecting plate. A connecting frame is fixedly connected to the bottom of the plasma spray gun, a cooling spray head is arranged on the inner side of the connecting frame, two symmetrically-arranged connecting shafts are fixedly connected to the outer side of the cooling spray head, the connecting shafts are rotationally connected to the inner side of the connecting frame, a first motor is fixedly connected to the outer side of the connecting frame, and the output end of the first motor is connected with one connecting shaft. The powder feeding mechanism comprises a box body, and a powder barrel is mounted at the top in the box body. According to the spraying device, a sprayed position can be cooled through the cooling spray head, so that a spraying layer can be quickly shaped, dust particles or sundries are prevented from being adsorbed, the performance of the coating is improved, and the service life of the coating is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plasma spraying, specifically to a rudder chamber plasma spraying device. BACKGROUND

[0002] As an advanced surface treatment technology, plasma spraying technology has the advantages of good coating quality, high bonding strength and the ability to prepare various high-performance coatings, and is widely used in the fields of aerospace, ships, automobiles and the like. By applying plasma spraying technology to the surface treatment of rudder chamber components, the wear resistance, corrosion resistance and fatigue resistance of the rudder chamber can be significantly improved, thereby prolonging its service life.

[0003] At present, the existing plasma spraying equipment has a long cooling time for the sprayed layer after spraying, and the unsolidified sprayed layer is prone to adsorb some dust and impurities, thereby affecting the performance of the coating and reducing the service life of the coating. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a rudder chamber plasma spraying device to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rudder chamber plasma spraying device, comprising a base, the top of one end of the base is fixedly connected with a six-axis mechanical arm, the top of the other end of the base is fixedly connected with a powder feeding mechanism, a connecting plate is installed at the front flange of the six-axis mechanical arm through screws, the bottom of the connecting plate is fixedly connected with a plasma spray gun, the bottom of the plasma spray gun is fixedly connected with a connecting frame, a cooling nozzle is arranged on the inner side of the connecting frame, the outer side of the cooling nozzle is fixedly connected with two symmetrically arranged connecting shafts, the connecting shafts are rotatably connected to the inner side of the connecting frame, and the outer side of the connecting frame is fixedly connected with a first motor, the output end of the first motor is connected with one of the connecting shafts.

[0006] As a further preferred embodiment of the present technical solution, the powder feeding mechanism comprises a box body, a powder bucket is installed on the top of the inside of the box body, a discharge pipe is communicated with the bottom of the powder bucket, a shell is communicated with one end of the discharge pipe, and a discharge pipe is communicated with the bottom of the shell.

[0007] As a further preferred embodiment of the present technical solution, a second motor is fixedly connected to the top of the powder bucket, a stirring blade is fixedly connected to the output end of the second motor, a third motor is fixedly connected to the outer side of the shell, and an auxiliary discharge plate is fixedly connected to the output end of the third motor.

[0008] As a further preferred embodiment of the present technical solution, a fan is fixedly connected inside the box body, the input end of the fan is communicated with the outside of the box body, and a powder feeding pipe is communicated with the output end of the fan.

[0009] As a further preferred of the technical solution, the inside of the box is fixedly connected with a cold air machine, an input end of the cold air machine is communicated with the powder feeding pipe, and an output end of the cold air machine is communicated with the air outlet pipe.

[0010] As a further preferred of the technical solution, one end of the powder feeding pipe is communicated with a first hose, one end of the first hose is communicated with an input end of the plasma torch, one end of the air outlet pipe is communicated with a second hose, and one end of the second hose is communicated with an input end of the cooling nozzle.

[0011] As a further preferred of the technical solution, the bottom of the base is fixedly connected with universal wheels at four corners, and one end of the base is fixedly connected with a pushing handrail.

[0012] The utility model provides a rudder warehouse plasma spraying device, has the following beneficial effect: the utility model discloses a cold air machine and powder feeding mechanism cooperation, can transport cold air to cooling nozzle place, passes through the angle of cooling nozzle again, makes cooling nozzle to be able to cool the position after spraying, makes the spraying layer be able to quick setting, prevents adsorbing dust particle or sundries, improves the performance of coating, prolongs the service life of coating. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model;

[0014] Figure 2 It is plasma torch structure schematic diagram of the utility model;

[0015] Figure 3 It is box structure schematic diagram of the utility model;

[0016] Figure 4 It is powder bucket structure schematic diagram of the utility model;

[0017] In the drawing: 1, base;2, six-axis mechanical arm;3, connecting plate;4, plasma torch;5, connecting frame;6, cooling nozzle;7, box;8, powder bucket;9, first hose;10, second hose;11, first motor;12, connecting shaft;13, second motor;14, blanking pipe;15, shell;16, discharge pipe;17, third motor;18, fan;19, powder feeding pipe;20, cold air machine;21, air outlet pipe;22, stirring blade;23, auxiliary blanking plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0019] The utility model provides technical scheme: such as Figure 1 AndFigure 2 As shown in the embodiment, a rudder warehouse plasma spraying device includes a base 1, the top of one end of the base 1 is fixedly connected with a six-axis mechanical arm 2, the top of the other end of the base 1 is fixedly connected with a powder feeding mechanism, a connecting plate 3 is installed at the front flange of the six-axis mechanical arm 2 through screws, the bottom of the connecting plate 3 is fixedly connected with a plasma spray gun 4, the bottom of the plasma spray gun 4 is fixedly connected with a connecting frame 5, a cooling nozzle 6 is arranged on the inner side of the connecting frame 5, the outer side of the cooling nozzle 6 is fixedly connected with two symmetrically arranged connecting shafts 12, the connecting shafts 12 are rotatably connected to the inner side of the connecting frame 5, and the outer side of the connecting frame 5 is fixedly connected with a first motor 11, the output end of the first motor 11 is connected with one of the connecting shafts 12, when the first motor 11 operates, the output end thereof drives the connecting shaft 12 to rotate in the connecting frame 5, thereby driving the cooling nozzle 6 to rotate, so as to adjust the angle of the cooling nozzle 6, so that the cooling nozzle 6 can cool the position after spraying to make the sprayed layer quickly set.

[0020] The bottom of the base 1 is fixedly connected with universal wheels at four corners, and one end of the base 1 is fixedly connected with a pushing handrail, which is matched with the universal wheels and the pushing handrail, so as to facilitate the movement of the base 1 inside the warehouse by the staff.

[0021] As shown in the embodiment, Figure 1 , Figure 3 and Figure 4 , the powder feeding mechanism includes a box body 7, a powder bucket 8 is installed at the top of the inside of the box body 7, a discharging pipe 16 is communicated with the bottom of the powder bucket 8, a shell 15 is communicated with one end of the discharging pipe 14, and the bottom of the shell 15 is communicated with the discharging pipe 16.

[0022] The top of the powder bucket 8 is fixedly connected with a second motor 13, the output end of the second motor 13 is fixedly connected with a stirring blade 22, the outer side of the shell 15 is fixedly connected with a third motor 17, and the output end of the third motor 17 is fixedly connected with an auxiliary discharging plate 23, when the second motor 13 operates, the output end thereof drives the stirring blade 22 to rotate, thereby stirring the spraying powder in the powder bucket 8, so as to prevent the spraying powder from being deposited and accumulated to block the discharging pipe 14, when the third motor 17 operates, the output end thereof drives the auxiliary discharging plate 23 to rotate, the powder falls into the inner side of the auxiliary discharging plate 23, and is conveyed into the discharging pipe 16 through the rotation of the auxiliary discharging plate 23, so as to achieve the purpose of uniform discharging, and secondly, the rotation speed of the third motor 17 can be adjusted to adjust the discharging speed and the discharging amount.

[0023] The inside of the box body 7 is fixedly connected with a fan 18, the input end of the fan 18 is communicated with the outside of the box body 7, the output end of the fan 18 is communicated with a powder feeding pipe 19, and a filter screen is installed in the input end of the fan 18 to filter the external air.

[0024] The inside of the box 7 is fixedly connected with a cold air blower 20, the input end of the cold air blower 20 is communicated with the powder feeding pipe 19, and the output end of the cold air blower 20 is communicated with an air outlet pipe 21.

[0025] One end of the powder feeding pipe 19 is communicated with a first hose 9, one end of the first hose 9 is communicated with the input end of the plasma torch 4, one end of the air outlet pipe 21 is communicated with a second hose 10, and one end of the second hose 10 is communicated with the input end of the cooling nozzle 6.

[0026] When the fan 18 is running, air is drawn from the outside, and then the air is input into the powder feeding pipe 19; the spraying powder falling into the powder feeding pipe 19 from the discharge pipe 16 is conveyed into the first hose 9 by the air, and then into the plasma torch 4 through the first hose 9; the electric arc in the plasma torch 4 heats the introduced working gas into high-temperature plasma, and then the working gas is sprayed from the nozzle to form a plasma flame; the powder is sent into the flame by the powder feeding gas and is melted, and then is sprayed onto the surface of the rudder chamber to form a film; during the running of the fan 18, part of the air enters the cold air blower 20, the cold air blower 20 cools the air, and then the cold air is conveyed into the second hose 10 through the air outlet pipe 21; finally, the cold air is sprayed from the cooling nozzle 6 to cool and lower the temperature of the sprayed surface of the rudder chamber, so that the spraying layer is quickly shaped.

[0027] The utility model provides a kind of rudder chamber plasma spraying device, and the specific working principle is as follows: the orientation of plasma torch 4 is adjusted by six-axis mechanical arm 2, then first motor 11 is started, and its output end will drive connecting shaft 12 to rotate in connecting frame 5, and then drive cooling nozzle 6 to rotate, to adjust the angle of cooling nozzle 6, so that cooling nozzle 6 can cool and lower the temperature of the position after spraying, then second motor 13 and third motor 17 are started, second motor 13 drives stirring blade 22 to rotate, and then stirs the spraying powder in powder bucket 8, so that powder flows, third motor 17 will drive auxiliary discharge plate 23 to rotate, and powder will drop into the inside of auxiliary discharge plate 23, and then is conveyed into discharge pipe 16 by auxiliary discharge plate 23, then fan 18 is started, and it draws air from the outside, and then the air is input into powder feeding pipe 19; the spraying powder falling into powder feeding pipe 19 from discharge pipe 16 is conveyed into first hose 9 by air, and then into plasma torch 4 through first hose 9; the electric arc in plasma torch 4 heats the introduced working gas into high-temperature plasma, and then the working gas is sprayed from the nozzle to form a plasma flame; the powder is sent into the flame by the powder feeding gas and is melted, and then is sprayed onto the surface of the rudder chamber to form a film; during the running of the fan 18, part of the air enters the cold air blower 20, the cold air blower 20 cools the air, and then the cold air is conveyed into the second hose 10 through the air outlet pipe 21; finally, the cold air is sprayed from the cooling nozzle 6 to cool and lower the temperature of the sprayed surface of the rudder chamber, so that the spraying layer is quickly shaped.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rudder bay plasma spraying device comprising a base (1), characterised in that: The top of one end of the base (1) is fixedly connected with a six-axis mechanical arm (2), the top of the other end of the base (1) is fixedly connected with a powder feeding mechanism, a connecting plate (3) is installed at the front flange of the six-axis mechanical arm (2) through screws, the bottom of the connecting plate (3) is fixedly connected with a plasma torch (4), the bottom of the plasma torch (4) is fixedly connected with a connecting frame (5), the inner side of the connecting frame (5) is provided with a cooling nozzle (6), the outer side of the cooling nozzle (6) is fixedly connected with two symmetrically arranged connecting shafts (12), the connecting shafts (12) are rotatably connected to the inner side of the connecting frame (5), and the outer side of the connecting frame (5) is fixedly connected with a first motor (11), and the output end of the first motor (11) is connected with one of the connecting shafts (12).

2. A rudder bay plasma spraying apparatus according to claim 1, wherein: The powder feeding mechanism comprises a box body (7), a powder tank (8) is installed at the top of the inside of the box body (7), a discharge pipe (14) is communicated with the bottom of the powder tank (8), a shell (15) is communicated with one end of the discharge pipe (14), and a discharge pipe (16) is communicated with the bottom of the shell (15).

3. A boat bay plasma spraying apparatus as defined in claim 2, wherein: The top of the powder tank (8) is fixedly connected with a second motor (13), the output end of the second motor (13) is fixedly connected with a stirring blade (22), the outer side of the shell (15) is fixedly connected with a third motor (17), and the output end of the third motor (17) is fixedly connected with an auxiliary discharge plate (23).

4. A boat bay plasma spraying apparatus as defined in claim 2, wherein: The inside of the box body (7) is fixedly connected with a fan (18), the input end of the fan (18) is communicated with the outside of the box body (7), and the output end of the fan (18) is communicated with a powder feeding pipe (19).

5. A boat bay plasma spraying apparatus as defined in claim 4, wherein: The inside of the box body (7) is fixedly connected with a cold air blower (20), the input end of the cold air blower (20) is communicated with the powder feeding pipe (19), and the output end of the cold air blower (20) is communicated with an air outlet pipe (21).

6. A boat bay plasma spraying apparatus as defined in claim 5, wherein: One end of the powder feeding pipe (19) is communicated with a first hose (9), one end of the first hose (9) is communicated with the input end of the plasma torch (4), one end of the air outlet pipe (21) is communicated with a second hose (10), and one end of the second hose (10) is communicated with the input end of the cooling nozzle (6).

7. A boat bay plasma spraying apparatus as defined in claim 1, wherein: The bottom of the base (1) is fixedly connected with universal wheels at four corners, and one end of the base (1) is fixedly connected with a pushing handrail.

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