CN114950769A

CN114950769A - Thermal spraying system for coating

Info

Publication number: CN114950769A
Application number: CN202210898994.8A
Authority: CN
Inventors: 蔡旺; 韩以昌
Original assignee: Jingjiang Runxin Surface Engineering Technology Co ltd
Current assignee: Jingjiang Runxin Surface Engineering Technology Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-08-30
Anticipated expiration: 2042-07-28
Also published as: CN114950769B

Abstract

The invention belongs to the technical field of thermal spraying, and particularly discloses a thermal spraying system for a coating. This a thermal spraying system for coating includes the device body, it is fixed with the fixed plate to be located the middle part between the inner wall of device body, a plurality of openings have been seted up along the circumferencial direction equidistance at the top of fixed plate, the mounting groove has been seted up at the top of fixed plate, the inside of mounting groove is fixed with the motor, the output of motor extends to the below of fixed plate, be fixed with a plurality of branches along the circumferencial direction equidistance between the inner wall of device body, be fixed with the retainer plate between the one end of a plurality of branches, the retainer plate registrates on the surface of motor. According to the invention, the motor is started to drive the grinding block to grind the material, the rotating shaft is driven to rotate simultaneously by the motor so that the blades generate high-pressure airflow, the device body granulizes the material in a molten state, and finally the polishing disc is driven to polish the sprayed workpiece while the rotating shaft rotates, so that the integrated operation is realized.

Description

Thermal spraying system for coating

Technical Field

The invention relates to the technical field of thermal spraying, in particular to a thermal spraying system for a coating.

Background

Thermal spraying is to heat and melt a coating material, atomize the coating material into ultrafine particles by a high-speed airflow, and spray the ultrafine particles onto the surface of a workpiece at a high speed to form a coating. Different coating materials are selected according to requirements, and one or more performances of wear resistance, corrosion resistance, oxidation resistance, heat resistance and the like can be obtained.

At present, when a thermal spraying system is used, ground plastic particles are usually required to be placed in a melting device, and then a workpiece is sprayed under the working of spraying equipment.

We have therefore proposed a thermal spray system for coatings to address the problems set out above.

Disclosure of Invention

The invention aims to provide a thermal spraying system for coating, which aims to solve the problems that ground plastic particles are usually required to be placed in a melting device when the thermal spraying system is used at present, and then a workpiece is sprayed under the operation of spraying equipment, but the operation mode needs to be completed step by step, a plurality of pieces of equipment are adopted to work in a matching way, and the operation mode is not suitable for practical use.

In order to achieve the purpose, the invention adopts the following technical scheme: a thermal spraying system for a coating comprises a device body, wherein a fixing plate is fixed between the inner walls of the device body and positioned in the middle, a plurality of openings are formed in the top of the fixing plate at equal intervals along the circumferential direction, a mounting groove is formed in the top of the fixing plate, a motor is fixed inside the mounting groove, and the output end of the motor extends to the position below the fixing plate;

be fixed with a plurality of branches along the circumferencial direction equidistance between the inner wall of device body, be fixed with the retainer plate between the one end of a plurality of branches, the retainer plate registrates on the surface of motor, the bottom output of motor is fixed with the pivot, the output at motor top is fixed with driving pulley, the side mouth has been seted up to one side of device body, the ring channel has been seted up to the surface of device body, the inside of ring channel is provided with the stay, one side of stay is fixed with the grinding vessel, the inside of grinding vessel is provided with the abrasive brick, the top that the abrasive brick is located the middle part and is fixed with driven pulley, be connected with the belt between driving pulley and the driven pulley, the top of grinding vessel is fixed with annular deflector, one side slope of annular deflector extends to the inside of grinding vessel.

Preferably, a grinding support ring is fixed between the inner walls of the grinding cylinder, a gap is reserved between the inner walls of the grinding support ring and the outer surface of the grinding block, and the gap between the top of the grinding support ring and the top of the grinding block is gradually reduced from top to bottom.

Preferably, the bottom intercommunication of grinding vessel has the hot melt ware, and one side of hot melt ware is towards the one side of device body, and a plurality of thermovents have been seted up to the top equidistance of hot melt ware, and the spout has been seted up to the bottom of device body near rear edge department.

Preferably, be located the middle part between the inner wall of device body and be fixed with the water conservancy diversion cover, the butt joint groove has been seted up at the top of device body, and the pivot slides and runs through to the bottom of device body, and the surface of pivot is fixed with a plurality of blades along the circumferencial direction equidistance, and a plurality of blades all are located the bottom of water conservancy diversion cover.

Preferably, be close to bottom edge between the inner wall of device body and seted up a plurality of side openings, a plurality of side openings all run through to the outside of device body, and the external fixed surface of device body has the guide plate, and the lopsidedness downwardly extending of guide plate, hexagonal groove have been seted up to the bottom of pivot.

Preferably, the inside block in hexagonal groove has the hexagonal fixture block, and the bottom of hexagonal fixture block extends to the bottom of pivot, and the bottom of hexagonal fixture block is fixed with the screw post, and the bottom of screw post is fixed with the mill.

Preferably, the outer surface of pivot is close to bottom edge and has registrated the lock sleeve, and threaded connection between the outer surface of lock sleeve and screw thread post, a plurality of openings all run through to the bottom of fixed plate, and one side of hot melt ware extends to directly over a plurality of side openings.

Preferably, the bottom of the polishing disc extends to the bottom of the device body, the openings are right opposite to the inclined plane at the top of the flow guide sleeve, a plurality of flow channels are formed in the outer surface of the device body, and the flow channels are correspondingly arranged inside the side holes.

Preferably, the grinding disc is used for grinding and polishing the outer surface of the sprayed workpiece so as to partially scrape the coating which is not hardened yet, and part of the air flow reflected from the bottom surface of the guide plate can impact the periphery of the grinding disc so as to clean the particles on the grinding disc in time.

Compared with the prior art, the invention has the beneficial effects that:

1. when the grinding device is used, the motor is started firstly, the driven belt wheel is driven to rotate through the driving belt wheel and the belt under the rotation of the motor, so that the grinding block can be driven to rotate, in addition, the top of the driven belt wheel is connected with an external butt joint device during actual use, so that the grinding block can be supported, then, materials are placed in the grinding cylinder, and as a gap is reserved between the inner wall of the grinding support ring in the grinding cylinder and the outer surface of the grinding block, and the gap between the top of the grinding support ring and the top of the grinding block is gradually reduced from top to bottom, the materials can be gradually ground and refined and finally flow into the interior of the hot melter;

2. the motor rotates and simultaneously drives the rotating shaft to rotate, high-pressure airflow is generated through the blades in the rotating process of the rotating shaft, and when the device is actually used, the blades adopt turbine blades, so that the airflow in the device body can be discharged at a high speed, the airflow flows out of the device body through the side holes, the airflow can be guided under the action of the flow channel and the guide plate, and when the material in a molten state flows out of the nozzle of the hot melter, the material is granulated and sprayed under the blowing of the high-pressure airflow, so that the hot spraying is realized;

3. drive the grinding disk when pivot pivoted and rotate, can polish the polishing to the work piece surface after the spraying, through the butt joint of lock sleeve and screw thread post when butt joint grinding disk, make things convenient for people to dismantle, and through the mutual block in hexagonal fixture block and hexagonal groove when the butt joint, thereby can prevent that the grinding disk from producing relative rotation when rotating and between the pivot, when in-service use, need set up annular deflector at the top of grinding vessel, and extend to the inside of grinding vessel with the inboard slope of annular deflector, can lead the material when the inside packing material of grinding vessel, and can also prevent that the inside material of grinding vessel from splashing away.

Drawings

FIG. 1 is a top perspective view of a thermal spray system for coating in accordance with the present invention;

FIG. 2 is a side perspective view of a thermal spray system for coating in accordance with the present invention;

FIG. 3 is a perspective cross-sectional view of a thermal spray system for coating in accordance with the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

fig. 5 is an enlarged view at B of fig. 3 according to the present invention.

In the figure:

1. a device body; 2. a butt joint groove; 3. an annular groove; 4. a locking sheet; 5. a grinding cylinder; 6. a hot melter; 7. a heat dissipation port; 8. an annular guide plate; 9. a driven pulley; 10. a belt; 11. a driving pulley; 12. a side port; 13. a spout; 14. a baffle; 15. grinding disc; 16. a threaded post; 17. a hexagonal fixture block; 18. a locking sleeve; 19. a fixing plate; 20. an opening; 21. a stationary ring; 22. a strut; 23. mounting grooves; 24. a motor; 25. grinding blocks; 26. a hexagonal groove; 27. a blade; 28. side holes; 29. a flow channel; 30. grinding the support ring; 31. a flow guide sleeve; 32. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a thermal spraying system for a coating comprises a device body 1, a fixing plate 19 is fixed at the middle position between the inner walls of the device body 1, a plurality of openings 20 are equidistantly arranged along the circumferential direction at the top of the fixing plate 19, a mounting groove 23 is arranged at the top of the fixing plate 19, a motor 24 is fixed inside the mounting groove 23, the output end of the motor 24 extends to the lower part of the fixing plate 19, a plurality of supporting rods 22 are equidistantly fixed along the circumferential direction between the inner walls of the device body 1, a fixing ring 21 is fixed between one ends of the supporting rods 22, the fixing ring 21 is sleeved on the outer surface of the motor 24, a rotating shaft 32 is fixed at the bottom output end of the motor 24, a driving belt wheel 11 is fixed at the output end of the top of the motor 24, a side opening 12 is arranged at one side of the device body 1, an annular groove 3 is arranged on the outer surface of the device body 1, a locking sheet 4 is arranged inside the annular groove 3, a grinding cylinder 5 is fixed at one side of the locking sheet 4, the inside of grinding vessel 5 is provided with grinding block 25, and the top of grinding block 25 is located the middle part and is fixed with driven pulley 9, is connected with belt 10 between driving pulley 11 and the driven pulley 9, and the top of grinding vessel 5 is fixed with annular deflector 8, and the slope of one side of annular deflector 8 extends to the inside of grinding vessel 5.

The effect that its reached is, when using, at first the starter motor 24, drive driven pulley 9 through driving pulley 11 and belt 10 and rotate under the rotation of motor 24, thereby can drive grinding block 25 and rotate, and driven pulley 9's top is connected with outside interfacing apparatus when in actual use, thereby can support grinding block 25, then place the material in the inside of grinding vessel 5, owing to leave the clearance between the inner wall of grinding support ring 30 and the surface of grinding block 25 in the inside of grinding vessel 5, and the clearance between grinding support ring 30 top and the grinding block 25 top reduces from last to down gradually, so can grind the material progressively and refine, flow into the inside of hot melt ware 6 at last.

As shown in fig. 2-5, a grinding support ring 30 is fixed between the inner walls of the grinding cylinder 5, a gap is left between the inner wall of the grinding support ring 30 and the outer surface of the grinding block 25, the gap between the top of the grinding support ring 30 and the top of the grinding block 25 is gradually reduced from top to bottom, the bottom of the grinding cylinder 5 is communicated with a hot melter 6, one side of the hot melter 6 faces one side of the device body 1, a plurality of heat dissipation ports 7 are equidistantly formed at the top of the hot melter 6, a nozzle 13 is formed at the bottom of the device body 1 near the rear side edge, a flow guide sleeve 31 is fixed at the middle position between the inner walls of the device body 1, a butt-joint groove 2 is formed at the top of the device body 1, a rotating shaft 32 slidably penetrates through the bottom of the device body 1, a plurality of blades 27 are equidistantly fixed on the outer surface of the rotating shaft 32 along the circumferential direction, the plurality of blades 27 are all located at the bottom of the flow guide sleeve 31, a plurality of side holes 28 are formed between the inner walls of the device body 1 near the bottom edge, the side holes 28 penetrate through the outer side of the device body 1, the guide plate 14 is fixed on the outer surface of the device body 1, one side of the guide plate 14 extends downwards in an inclined mode, and the bottom of the rotating shaft 32 is provided with a hexagonal groove 26.

The effect that it reaches is, drive pivot 32 and rotate when motor 24 rotates, at pivot 32 pivoted in-process through blade 27 production high-pressure draught, in the time of practical use, blade 27 adopts turbine blade, so can make the inside air current of device body 1 discharge at a high speed, the air current flows out the inside of device body 1 through side opening 28, under the effect of runner 29 and guide plate 14, can lead the air current, when the material of molten state flows out from the inside of hot melt ware 6 spout 13, with the material granulation blowout under the blowing of high-pressure draught, thereby realize hot spraying.

As shown in fig. 2-5, hexagonal clamping block 17 is clamped inside hexagonal groove 26, the bottom of hexagonal clamping block 17 extends to the bottom of rotating shaft 32, threaded post 16 is fixed to the bottom of hexagonal clamping block 17, polishing disc 15 is fixed to the bottom of threaded post 16, locking sleeve 18 is sleeved on the outer surface of rotating shaft 32 close to the bottom edge, threaded connection is formed between the outer surfaces of locking sleeve 18 and threaded post 16, a plurality of openings 20 all run through the bottom of fixing plate 19, one side of hot melting device 6 extends to the position right above a plurality of side holes 28, the bottom of polishing disc 15 extends to the bottom of device body 1, a plurality of openings 20 are right opposite to the top inclined plane of flow guide sleeve 31, a plurality of flow channels 29 are opened on the outer surface of device body 1, and a plurality of flow channels 29 all correspondingly run through the inside of side holes 28.

The effect that its reached does, drive the mill 15 rotation when pivot 32 pivoted, can polish the polishing to the work piece surface after the spraying, through the butt joint of lock sleeve 18 with screw thread post 16 when butt joint mill 15, make things convenient for people to dismantle, and through the mutual block of hexagonal fixture block 17 with hexagonal groove 26 when the butt joint, thereby can prevent that mill 15 from producing relative rotation when rotating with pivot 32 between, mill 15 can polish the polishing to the work piece surface after the spraying, with strike off the local to the coating that has not hardened yet, thereby improve and polish and strike off efficiency, and the part can dash the periphery of beating mill 15 in order to clear up the particle bits on the mill 15 in time from the air current that guide plate 14 bottom surface was reflected back.

When in actual use, need set up annular deflector 8 at the top of grinding vessel 5 to the inboard slope of annular deflector 8 extends to the inside of grinding vessel 5, leads the material when filling the material to the inside of grinding vessel 5, and can also prevent that the material of the inside grinding of grinding vessel 5 from splashing away.

The use method and the working principle of the device are as follows: when in use, the motor 24 is firstly started, the driven pulley 9 is driven to rotate by the rotation of the motor 24 through the driving pulley 11 and the belt 10, so that the grinding block 25 can be driven to rotate, and the top of the driven pulley 9 is connected with an external butting device in actual use, so that the grinding block 25 can be supported, then the material is placed in the grinding cylinder 5, because a gap is reserved between the inner wall of the grinding support ring 30 in the grinding cylinder 5 and the outer surface of the grinding block 25, and the gap between the top of the grinding support ring 30 and the top of the grinding block 25 is gradually reduced from top to bottom, the material can be gradually ground and refined, finally, the hot melt flows into the inside of the grinding device 6, the motor 24 drives the rotating shaft 32 to rotate, high-pressure airflow can be generated by the blades 27 in the rotating process of the rotating shaft 32, and the blades 27 adopt turbine blades when in actual use, so can make the inside air current of device body 1 discharge at a high speed, the air current passes through the inside of side opening 28 outflow device body 1, under the effect of runner 29 and guide plate 14, can lead the air current, when the material of molten condition flows from the inside of hot melt ware 6 spout 13, with material granulation blowout under high-pressure gas stream's blowing, thereby realize hot spraying, drive the mill 15 and rotate when pivot 32 pivoted, can polish the polishing to the work piece surface after the spraying, with carrying out local scraping to the coating that has not hardened yet, thereby improve and strike off efficiency of polishing, and the part can be washed the periphery of beating mill 15 in order to clear up the particle bits on the mill 15 in time from the air current that the guide plate 14 bottom surface was reflected back. Through the butt joint of lock sleeve 18 with screw post 16 when butt joint polishing dish 15, make things convenient for people to dismantle, and through the mutual block of hexagonal fixture block 17 with hexagonal groove 26 when the butt joint, thereby can prevent that polishing dish 15 from producing relative rotation when rotating with pivot 32, when in actual use, need set up annular deflector 8 at the top of grinding vessel 5, and the inboard slope of annular deflector 8 extends to the inside of grinding vessel 5, can lead the material when the inside packing material of grinding vessel 5, and can also prevent that the inside material of grinding vessel 5 from splashing away.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A thermal spraying system for a coating is characterized by comprising a device body (1), wherein a fixing plate (19) is fixed between the inner walls of the device body (1) and positioned in the middle, a plurality of openings (20) are formed in the top of the fixing plate (19) at equal intervals along the circumferential direction, a mounting groove (23) is formed in the top of the fixing plate (19), a motor (24) is fixed inside the mounting groove (23), and the output end of the motor (24) extends to the position below the fixing plate (19); a plurality of supporting rods (22) are fixed between the inner walls of a device body (1) at equal intervals along the circumferential direction, a fixing ring (21) is fixed between one ends of the supporting rods (22), the fixing ring (21) is sleeved on the outer surface of a motor (24), a rotating shaft (32) is fixed at the output end of the bottom of the motor (24), a driving pulley (11) is fixed at the output end of the top of the motor (24), a side opening (12) is formed in one side of the device body (1), an annular groove (3) is formed in the outer surface of the device body (1), a locking sheet (4) is arranged inside the annular groove (3), a grinding cylinder (5) is fixed at one side of the locking sheet (4), a grinding block (25) is arranged inside the grinding cylinder (5), a driven pulley (9) is fixed at the middle position of the top of the grinding block (25), and a belt (10) is connected between the driving pulley (11) and the driven pulley (9), an annular guide plate (8) is fixed at the top of the grinding cylinder (5), and one side of the annular guide plate (8) extends to the inside of the grinding cylinder (5) in an inclined mode.

2. A thermal spray system for coatings as claimed in claim 1, characterized in that: a grinding support ring (30) is fixed between the inner walls of the grinding cylinder (5), a gap is reserved between the inner wall of the grinding support ring (30) and the outer surface of the grinding block (25), and the gap between the top of the grinding support ring (30) and the top of the grinding block (25) is gradually reduced from top to bottom.

3. A thermal spray system for coatings as claimed in claim 2, characterized in that: the bottom intercommunication of grinding vessel (5) has hot melt ware (6), and one side of hot melt ware (6) is towards one side of device body (1), and a plurality of thermovents (7) have been seted up to the top equidistance of hot melt ware (6), and spout (13) have been seted up to the bottom of device body (1) near rear edge department.

4. A thermal spray system for coatings as claimed in claim 3, characterized in that: the middle part of the inner wall of the device body (1) is fixed with a flow guide sleeve (31), the top of the device body (1) is provided with a butt joint groove (2), the rotating shaft (32) penetrates through the bottom of the device body (1) in a sliding mode, the outer surface of the rotating shaft (32) is fixed with a plurality of blades (27) at equal intervals along the circumferential direction, and the blades (27) are located at the bottom of the flow guide sleeve (31).

5. A thermal spray system for coatings according to claim 4, characterized in that: a plurality of side holes (28) are formed in the position, close to the edge of the bottom, between the inner wall of the device body (1), the side holes (28) penetrate through the outer side of the device body (1), a guide plate (14) is fixed to the outer surface of the device body (1), one side of the guide plate (14) extends downwards in an inclined mode, and a hexagonal groove (26) is formed in the bottom of the rotating shaft (32).

6. A thermal spray system for coatings as claimed in claim 5, characterized in that: a hexagonal fixture block (17) is clamped inside the hexagonal groove (26), the bottom of the hexagonal fixture block (17) extends to the bottom of the rotating shaft (32), a threaded column (16) is fixed at the bottom of the hexagonal fixture block (17), and a polishing disc (15) is fixed at the bottom of the threaded column (16).

7. A thermal spray system for coatings as claimed in claim 6, characterized in that: the outer surface of the rotating shaft (32) is sleeved with a locking sleeve (18) close to the edge of the bottom, the locking sleeve (18) is in threaded connection with the outer surface of the threaded column (16), the plurality of openings (20) penetrate through the bottom of the fixing plate (19), and one side of the hot melting device (6) extends right above the plurality of side holes (28).

8. A thermal spray system for coatings as claimed in claim 7, characterized in that: the bottom of polishing dish (15) extends to the bottom of device body (1), and a plurality of openings (20) are just to water conservancy diversion cover (31) top inclined plane, and a plurality of runners (29) have been seted up to the surface of device body (1), and a plurality of runners (29) all correspond the inside of running through to side opening (28).

9. A thermal spray system for coatings as claimed in claim 8, characterized in that: the polishing disc (15) is used for polishing the outer surface of the sprayed workpiece so as to partially scrape the coating which is not hardened yet, and part of air flow reflected from the bottom surface of the guide plate (14) can impact the periphery of the polishing disc (15) so as to clean particles on the polishing disc (15) in time.