CN217809620U

CN217809620U - Atomizing device for bone plasma spraying

Info

Publication number: CN217809620U
Application number: CN202220239460.XU
Authority: CN
Inventors: 张朝勇
Original assignee: Ruibaishun Coating Technology Suzhou Co ltd
Current assignee: Ruibaishun Coating Technology Suzhou Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-11-15
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses an atomizing device for bone plasma spraying relates to bone plasma spraying technical field, specifically is an atomizing device for bone plasma spraying, including the atomizing body, atomizing nozzle has been cup jointed in the inside activity of the atomizing body, the orifice has been seted up to atomizing nozzle's left end, install mechanical seal structure between atomizing nozzle and the atomizing body, atomizing nozzle's right side fixedly connected with axostylus axostyle, the right-hand member fixedly connected with impeller of axostylus axostyle, the air inlet has been seted up on the right side of the atomizing body. This atomizing device for bone plasma spraying sets up the impeller through the right side at atomizing nozzle, and at the in-process that carries out the spraying, utilizes plasma flame to flow to blow the impeller and rotate, lies in that the impeller drives atomizing nozzle high-speed rotatory, makes spun coating produce outside centrifugal force when leaving the orifice, makes spraying material outwards scatter in the form of parabola, has improved spraying material's atomization effect.

Description

Atomizing device for bone plasma spraying

Technical Field

The utility model relates to a skeleton plasma spraying technical field specifically is an atomizing device for skeleton plasma spraying.

Background

Plasma spraying is a technology for strengthening and modifying the surface of a material, and can enable the surface of a matrix to have the performances of wear resistance, corrosion resistance, high-temperature oxidation resistance, electric insulation, heat insulation, radiation protection, wear reduction, sealing and the like. The plasma spraying technique is a method of heating a material such as ceramics, alloys, metals, etc. to a molten or semi-molten state by using a plasma arc driven by a direct current as a heat source, and spraying the material at a high speed onto the surface of a workpiece to be pretreated to form a firmly adhered surface layer. Plasma spraying is also useful for medical applications, where a coating of tens of microns is sprayed onto the surface of an artificial bone as a means to strengthen the artificial bone and enhance its affinity.

The plasma spraying is to use high-temperature plasma gas to blow a spraying material, an electric arc heats and ionizes introduced working gas into high-temperature plasma, plasma flame is formed, the spraying material is sent into the flame by powder sending gas to be melted, the flame flow accelerates to obtain the speed higher than 150m/s, and the spraying material is sprayed onto a base material to form a film.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a bone is atomizing device for plasma spraying has solved the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a bone is atomizing device for plasma spraying, includes the atomizing body, atomizing nozzle has been cup jointed in the inside activity of the atomizing body, the orifice has been seted up to atomizing nozzle's left end, install mechanical seal structure between atomizing nozzle and the atomizing body, atomizing nozzle's right side fixedly connected with axostylus axostyle, the right-hand member fixedly connected with impeller of axostylus axostyle, the air inlet has been seted up on atomizing body's right side, fixedly connected with coating blowing tube in the inside of the atomizing body.

Optionally, the number of orifice has six and about atomizing nozzle central symmetry distribution, atomizing nozzle's left end fixedly connected with nozzle guard, nozzle guard is the horn mouth form.

Optionally, a bearing is fixedly sleeved outside the atomizing nozzle, the outer surface of the bearing is fixedly sleeved inside the atomizing body, and the inner ring and the outer ring of the bearing can rotate freely.

Optionally, the mechanical seal structure includes a locking ring, the locking ring is fixedly sleeved outside the atomizing nozzle, a spring is fixedly mounted on the right side of the locking ring, a movable ring is fixedly mounted on the right side of the spring, and a stationary ring is movably mounted on the right side of the movable ring.

Optionally, the spring and the movable ring are movably sleeved outside the atomizing nozzle, a sealing ring is fixedly mounted on the inner side of the movable ring, the sealing ring is movably sleeved outside the atomizing nozzle, the stationary ring is movably sleeved outside the atomizing nozzle, and the outer surface of the stationary ring is fixedly mounted on the inner wall of the atomizing body.

Optionally, the bottom of the paint blowing pipe is fixedly connected with a paint nozzle, the paint nozzle extends into the atomizing nozzle, and the paint nozzle is located on the left side of the impeller.

The utility model provides a skeleton is atomizing device for plasma spraying possesses following beneficial effect:

1. this atomizing device for bone plasma spraying sets up the impeller through the right side at atomizing nozzle, and at the in-process that carries out the spraying, utilizes plasma flame to flow to blow the impeller and rotate, lies in that the impeller drives atomizing nozzle high-speed rotatory, makes spun coating produce outside centrifugal force when leaving the orifice, makes spraying material outwards scatter in the form of parabola, has improved spraying material's atomization effect.

2. This atomizing device for bone plasma spraying, through at the installation bearing between the atomizing body and atomizing nozzle, make and become rolling friction by sliding friction between the atomizing body and the atomizing nozzle, reduce the frictional force between the atomizing body and the atomizing nozzle, avoid atomizing nozzle to take place wearing and tearing, through set up mechanical seal structure between the atomizing body and atomizing nozzle, utilize the spring to promote the rotating ring and remove right, make the laminating that the rotating ring is inseparable with quiet ring together, can seal the gap between the atomizing body and the atomizing nozzle, avoid the plasma gas and the spraying material of the internal portion of atomizing to spill from the gap between the atomizing body and the atomizing nozzle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the atomizing body of the present invention;

fig. 3 is a schematic structural view of the half-section of the present invention.

In the figure: 1. an atomizing body; 2. an atomizing nozzle; 3. spraying a hole; 4. a nozzle shroud; 5. a bearing; 6. a locking ring; 7. a spring; 8. a moving ring; 9. a seal ring; 10. a stationary ring; 11. a shaft lever; 12. an impeller; 13. an air inlet; 14. a paint blowing pipe; 15. and (4) a paint nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a skeleton is atomizing device for plasma spraying, including the atomizing body 1, atomizing nozzle 2 has been cup jointed in the inside activity of the atomizing body 1, orifice 3 has been seted up to atomizing nozzle 2's left end, orifice 3's quantity has six and about atomizing nozzle 2 central symmetry distribution, through designing into the central symmetry structure with orifice 3, fall into the less spray material of stranded with the great spray material of one, make spray material can spray to spraying all around simultaneously, be favorable to spray material's dispersion atomizing, atomizing nozzle 2's left end fixedly connected with nozzle guard 4, nozzle guard 4 is the horn mouth form, through setting up nozzle guard 4, nozzle guard 4 can restrict spray material's spray regime, avoid spray material to spray outside the scope.

Referring to fig. 2 to 3, the bearing 5 is fixedly sleeved outside the atomizing nozzle 2, the outer surface of the bearing 5 is fixedly sleeved inside the atomizing body 1, the inner ring and the outer ring of the bearing 5 can rotate freely, and the bearing 5 is installed between the atomizing body 1 and the atomizing nozzle 2, so that the sliding friction between the atomizing body 1 and the atomizing nozzle 2 is changed into rolling friction, the friction between the atomizing body 1 and the atomizing nozzle 2 is reduced, and the atomizing nozzle 2 is prevented from being worn.

Referring to fig. 2 to 3, a mechanical sealing structure is installed between an atomizing nozzle 2 and an atomizing body 1, the mechanical sealing structure includes a locking ring 6, the locking ring 6 is fixedly sleeved outside the atomizing nozzle 2, a spring 7 is fixedly installed on the right side of the locking ring 6, by setting the spring 7, right thrust is given to the moving ring 8 by the spring 7, the moving ring 8 can be made to cling to the surface of the stationary ring 10, sealing effect between the moving ring 8 and the stationary ring 10 is improved, the moving ring 8 is fixedly installed on the right side of the spring 7, the spring 7 and the moving ring 8 are movably sleeved outside the atomizing nozzle 2, a sealing ring 9 is fixedly installed on the inner side of the moving ring 8, the sealing ring 9 is movably sleeved outside the atomizing nozzle 2, by setting the sealing ring 9, the sealing ring 9 is in interference fit with the outside of the atomizing nozzle 2, sealing performance between the atomizing nozzle 2 and the moving ring 8 can be improved, the stationary ring 10 is movably installed on the right side of the moving ring 8, the moving ring 8 and the stationary ring 10 are used in cooperation with the stationary ring 10, the moving ring 8 and the stationary ring 10 are tightly pasted together, a gap between the atomizing body 1 and the atomizing nozzle 2 can be sealed, a gap between the atomizing nozzle 1 and the atomizing nozzle 2 can be prevented from leaking from the outer surface of plasma gas spraying material on the atomizing body 1, and the atomizing nozzle 2, and the outer surface of the atomizing nozzle, and the atomizing nozzle 10, and the atomizing nozzle 2, and the atomizing nozzle, and the outer surface of the atomizing body 1, and the atomizing nozzle 2, and the atomizing nozzle are prevented from leaking from the outer surface of the atomizing nozzle 2, and the atomizing nozzle, and the outer surface of the atomizing nozzle, and the atomizing nozzle 2.

Referring to fig. 2 to 3, a shaft 11 is fixedly connected to the right side of the atomizing nozzle 2, an impeller 12 is fixedly connected to the right end of the shaft 11, an air inlet 13 is formed in the right side of the atomizing body 1, the impeller 12 is arranged to blow the impeller 12 to rotate by plasma flame flow, the impeller 12 drives the atomizing nozzle 2 to rotate at a high speed, the sprayed coating generates an outward centrifugal force when leaving the spray orifice 3, the spray material is dispersed outward in a parabolic form, and the atomizing effect of the spray material is improved.

Referring to fig. 3, a paint blowing pipe 14 is fixedly connected to the inside of the atomizing body 1, a paint nozzle 15 is fixedly connected to the bottom of the paint blowing pipe 14, the paint nozzle 15 extends into the atomizing nozzle 2, the paint nozzle 15 is located on the left side of the impeller 12, and the paint nozzle 15 is designed on the left side of the impeller 12, so that the sprayed paint is prevented from adhering to the surface of the impeller 12, and the influence on the impeller 12 is reduced.

In summary, when the bone plasma spraying atomizing device is used, the electric arc heats and ionizes the introduced working gas into high-temperature plasma to form plasma flame, then the plasma flame is blown into the atomizing body 1 through the air inlet 13, meanwhile, the spraying material is blown out from the coating material blowing pipe 14 to the coating material nozzle 15, the impeller 12 is blown by the plasma flame to rotate, the atomizing nozzle 2 rotates at a high speed, then the spraying material is melted by the plasma flame, and the melted spraying material is sprayed out from the spray hole 3 to be dispersed outwards in a parabolic form, so that the atomizing effect of the spraying material is improved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bone is atomizing device for plasma spraying, includes the atomizing body (1), its characterized in that: atomizing nozzle (2) has been cup jointed in the inside activity of the atomizing body (1), orifice (3) have been seted up to the left end of atomizing nozzle (2), install mechanical seal structure between atomizing nozzle (2) and the atomizing body (1), the right side fixedly connected with axostylus axostyle (11) of atomizing nozzle (2), right-hand member fixedly connected with impeller (12) of axostylus axostyle (11), air inlet (13) have been seted up on the right side of the atomizing body (1), fixedly connected with coating blows pipe (14) in the inside of the atomizing body (1).

2. The bone plasma spray apparatus of claim 1, wherein: the quantity of orifice (3) has six and about atomizing nozzle (2) central symmetry distribution, the left end fixedly connected with nozzle guard (4) of atomizing nozzle (2), nozzle guard (4) are horn mouth form.

3. The bone plasma spray apparatus of claim 1, wherein: the outside of atomizing nozzle (2) is fixed to be cup jointed bearing (5), the fixed inside of cup jointing in atomizing body (1) of surface of bearing (5), the outer lane can free rotation in bearing (5).

4. The bone plasma spray apparatus of claim 1, wherein: mechanical seal structure includes lock ring (6), lock ring (6) are fixed cup joints in the outside of atomizing nozzle (2), the right side fixed mounting of lock ring (6) has spring (7), the right side fixed mounting of spring (7) has rotating ring (8), the right side movable mounting of rotating ring (8) has quiet ring (10).

5. The bone plasma spray apparatus of claim 4, wherein: spring (7) and rotating ring (8) activity are cup jointed in the outside of atomizing nozzle (2), the inboard fixed mounting of rotating ring (8) has sealing washer (9), the outside at atomizing nozzle (2) is cup jointed in sealing washer (9) activity, the outside at atomizing nozzle (2) is cup jointed in quiet ring (10) activity, the outer fixed surface of quiet ring (10) is installed on the inner wall of the atomizing body (1).

6. The bone plasma spray apparatus of claim 1, wherein: the bottom of the paint blowing pipe (14) is fixedly connected with a paint nozzle (15), the paint nozzle (15) extends into the atomizing nozzle (2), and the paint nozzle (15) is positioned on the left side of the impeller (12).