CN218904963U - Bundling type porous nozzle and microsphere shot blasting machine thereof - Google Patents
Bundling type porous nozzle and microsphere shot blasting machine thereof Download PDFInfo
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- CN218904963U CN218904963U CN202223162997.XU CN202223162997U CN218904963U CN 218904963 U CN218904963 U CN 218904963U CN 202223162997 U CN202223162997 U CN 202223162997U CN 218904963 U CN218904963 U CN 218904963U
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Abstract
The utility model discloses a cluster porous nozzle and a microsphere shot blasting machine thereof, wherein the cluster porous nozzle comprises: the microsphere shot blasting machine comprises a nozzle body, wherein the nozzle body is provided with a through hole, the through hole comprises a feed inlet and a discharge outlet, the feed inlet is arranged at one end of the nozzle body, the discharge outlet is arranged at the other end of the nozzle body, and microsphere shot blasting can be performed along the through hole; one end of the first communication section is connected with the feeding port, and the first communication section is used for receiving microsphere shot blasting; one end of the second communication section is connected with the discharge port, the other end of the second communication section is connected with the first communication section, and the second communication section is used for spraying microsphere shot blasting; wherein, first intercommunication section forms Laval nozzle structure with the second intercommunication section. The utility model improves the shot blasting coverage rate and the shot blasting efficiency and the service life of the shot blasting nozzle under the same time by adopting the cluster porous nozzle which forms the Laval nozzle structure and is made of tungsten carbide.
Description
Technical Field
The utility model relates to the field of machining, in particular to a cluster-shaped porous nozzle and a microsphere shot blasting machine thereof.
Background
At present, a single-hole nozzle is adopted for sand blasting and shot blasting, the single-hole nozzle is simple in structure and single in fixing mode, and most of materials are boron carbide.
The service life of the boron carbide nozzle is lower, under the condition of long-term high-speed impact of shot blasting, chipping easily occurs, the process effect and the machining efficiency of shot blasting can be influenced due to the fact that fragments of the nozzle fall into circulating shot blasting, a large amount of shot blasting can collide with the wall of a nozzle hole at an inlet part due to a single nozzle outlet, the injection speed of the shot blasting is influenced, the nozzle inlet part is damaged, and the machining efficiency is influenced due to the fact that a nozzle head needs to be replaced frequently.
Accordingly, it is highly desirable to provide a nozzle and a peening machine thereof that are robust and have improved machining efficiency.
Disclosure of Invention
The utility model mainly aims to provide a cluster-shaped porous nozzle and a microsphere shot blasting machine thereof, and aims to solve the problems of lower service life and insufficient machining efficiency of the existing nozzle.
To achieve the above object, the present utility model proposes a cluster-shaped porous nozzle comprising:
the microsphere shot blasting machine comprises a nozzle body, wherein the nozzle body comprises a feed inlet and a discharge outlet, the feed inlet is arranged at one end of the nozzle body, the discharge outlet is arranged at the other end of the nozzle body, the feed inlet is connected with the discharge outlet through a through hole, and microsphere shot blasting can be performed along the through hole;
one end of the first communication section is connected with the feed inlet, and the first communication section is used for receiving microsphere shot blasting;
one end of the second communication section is connected with the discharge port, the other end of the second communication section is connected with the first communication section, and the second communication section is used for spraying microsphere shot blasting;
the first communication section and the second communication section form a Laval nozzle structure.
Preferably, the first communication section comprises an inlet end and a first communication end, the first communication end is connected with the inlet end, the inlet end is connected with the feeding port, and the inlet end can receive microsphere shot blasting.
Preferably, the second communication section includes an outlet end and a second communication end, the second communication end is connected with the first communication end, the outlet end is disposed at one end of the second communication section far away from the inlet end, and the outlet end can enable the microsphere shot blasting to be sprayed outwards.
Preferably, a narrow throat is formed at the joint of the first communication end and the second communication end, and the first communication section is folded from the inlet end to the narrow throat along the axial direction of the nozzle body so as to cluster microsphere shot blasting.
Preferably, the first communicating end includes a horizontal end and a furling end, the horizontal end is connected with the feeding port, one end of the furling end is connected with the horizontal end, one end of the furling end is connected with the narrow throat, the furling end furls from the horizontal end to the narrow throat along the axial direction of the nozzle body, and the furling end is used for increasing the injection rate of microsphere shot blasting.
Preferably, the second communication end is enlarged from the narrow throat toward the outlet end in the axial direction of the nozzle body to enable the microsphere peening to increase the peening rate.
Preferably, the cluster-shaped porous nozzle comprises a flow pipeline, the flow pipeline is arranged in the nozzle body, one end of the flow pipeline is connected with the first communication section, the other end of the flow pipeline is connected with the second communication section, and the flow pipeline is used for increasing the flow property and the flow velocity of the microsphere shot blasting.
Preferably, the number of the flow channels is plural, and the plurality of the flow channels are folded from the first communication section to the second communication section around the axial direction of the nozzle body, so as to cluster the microsphere shot and increase the flow of the microsphere shot through the flow channels.
Preferably, the cluster-shaped porous nozzle is made of tungsten carbide.
The utility model also includes a microsphere peening machine comprising:
the system comprises a shot blasting machine body, a control device and a control device, wherein the shot blasting machine body comprises a spray pipe, the spray pipe is arranged on the shot blasting machine body, and the shot blasting machine body is used for spraying microsphere shot blasting;
the cluster-shaped porous nozzle according to the technical scheme, wherein the first communication section is connected with the spray pipe, the spray pipe is used for conveying microsphere shot blasting, and the cluster-shaped porous nozzle is used for ejecting microsphere shot blasting after cluster.
The utility model improves the shot blasting coverage rate and the shot blasting efficiency and the service life of the shot blasting nozzle under the same time by adopting the cluster porous nozzle which forms the Laval nozzle structure and is made of tungsten carbide.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a cluster-shaped porous nozzle according to the present embodiment;
fig. 2 is a schematic plan view of a cluster-shaped porous nozzle according to the present embodiment;
FIG. 3 isbase:Sub>A schematic view of the A-A cross-sectional structure of the cluster-type porous nozzle in FIG. 2.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 1000 | Bundling type |
10 | |
| 11 | Feed |
12 | |
| 20 | |
21 | |
| 22 | |
221 | |
| 222 | Folding end | 30 | A second communicating |
| 31 | Outlet end | 32 | A |
| 40 | Flow-through pipeline |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1 to 3, the present utility model proposes a cluster-shaped porous nozzle 1000, the cluster-shaped porous nozzle 1000 comprising:
the microsphere shot blasting machine comprises a nozzle body 10, wherein the nozzle body 10 comprises a feed inlet 11 and a discharge outlet 12, the feed inlet 11 is arranged at one end of the nozzle body 10, the discharge outlet 12 is arranged at the other end of the nozzle body 10, the feed inlet 11 is connected with the discharge outlet 12 through a through hole, and microsphere shot blasting can be performed along the through hole;
the first communication section 20, one end of the first communication section 20 is connected with the feed inlet 11, and the first communication section 20 is used for receiving microsphere shot blasting;
the second communication section 30, one end of the second communication section 30 is connected with the discharge port 12, the other end of the second communication section 30 is connected with the first communication section 20, and the second communication section 30 is used for spraying microsphere shot blasting;
wherein the first communication section 20 and the second communication section 30 form a laval nozzle structure.
In detail, in the present embodiment, the axial length of the first communication section 20 is greater than that of the second communication section 30, and the diameter of the first communication section 20 gradually decreases from the feed inlet 11 to the discharge outlet 12, and the diameter of the second communication section 30 gradually increases from the feed inlet 11 to the discharge outlet 12, so that the flow velocity at the small section is large and the flow velocity at the large section is small when the shot is ejected by the high-pressure gas, and the flow velocity is fast due to the gradually decreasing section of the first communication section 20, and the flow velocity is greater than the threshold value, so that the shot-blasting of the microspheres continues to accelerate in the gradually expanding second communication section 30, thereby obtaining a cluster-type microsphere shot-blasting beam, and contributing to the improvement of the processing rate.
As shown in fig. 1-2, the first communication section 20 includes an inlet end 21 and a first communication end 22, the first communication end 22 is connected to the inlet end 21, the inlet end 21 is connected to the feed inlet 11, and the inlet end 21 is capable of receiving microsphere shot.
In detail, in this embodiment, the inlet end 21 can be clamped with other devices outside, so that the cluster-shaped porous nozzle 1000 can have the ejection source power and the shot of the microsphere shot blasting, the feed inlet 11 is flush with the nozzle body 10, the inlet end 21 is concavely arranged in the nozzle body 10 and is shrunk in angle, the feed inlet 11 is used for indicating the connection direction, the inlet end 21 is used for connecting the nozzle pipe, so that the nozzle pipe of the shot blasting machine can be connected with the cluster-shaped porous nozzle 1000 through the inlet end 21, and the microsphere shot blasting is ejected.
As shown in fig. 3, the second communication section 30 includes an outlet end 31 and a second communication end 32, the second communication end 32 is connected to the first communication end 22, the outlet end 31 is disposed at an end of the second communication section 30 far from the inlet end 21, and the outlet end 31 can make the microsphere shot-blasting be sprayed outwards.
In detail, the discharge port 12 is flush with the nozzle body 10, the outlet end 31 is concavely arranged in the nozzle body 10, and the outlet end 31 is of a conical structure extending inwards towards the axis of the nozzle body 10 at an included angle, so as to perform two-stage acceleration on the fluid entering the Laval nozzle, ensure that the microsphere shot blasting passing through the nozzle body 10 can be ejected in parallel, and improve the controllability.
As shown in fig. 3, the junction of the first communication end 22 and the second communication end 32 forms a narrow throat, and the first communication section 20 is folded from the inlet end 21 toward the narrow throat along the axial direction of the nozzle body 10 for focusing the microsphere shot.
In detail, in the present embodiment, the inlet 21 is a conical structure extending from the inlet 11 to the outlet 12 into the nozzle body 10, the outlet 31 is a conical structure extending from the outlet 12 to the inlet 11 into the nozzle body 10, and the narrow throat is a junction between the inlet 21 and the outlet 31, and is used for focusing the microsphere shot blasting and enabling the microsphere shot blasting passing through the narrow throat to perform two-stage acceleration.
As shown in fig. 3, the first communicating end 22 includes a horizontal end 221 and a converging end 222, the horizontal end 221 is connected with the feed inlet 11, one end of the converging end 222 is connected with the horizontal end 221, one end of the converging end 222 is connected with the narrow throat, the converging end 222 is converging from the horizontal end 221 to the narrow throat along the axial direction of the nozzle body 10, and the converging end 222 is used for increasing the injection rate of the microsphere shot blasting.
In detail, in the present embodiment, the horizontal end 221 is used to connect with the nozzle, and can wrap at least part of the nozzle, so as to prevent the nozzle from separating from the horizontal end 221, and the cross-sectional area of the converging end 222 is continuously reduced, so as to satisfy the expansion acceleration characteristic and increase the ejection rate of the microsphere shot blasting.
As shown in fig. 3, the second communication end 32 is enlarged from a narrow throat toward the outlet end 31 in the axial direction of the nozzle body 10 to enable the bead blasting to increase the blasting rate.
In detail, in a laval tube, the one-dimensional constant isentropic flow velocity in the converging channel can only be continuously varied to a certain value, i.e. M (mach number) =1, which is a critical state, which is a set of velocities in the converging channel after which the flow velocity cannot be increased or reduced, called flow choking, and if the channel is expanded after a critical section, the flow can be converted from sonic flow to supersonic flow when the downstream physical boundary condition at the channel outlet section meets a certain requirement.
In the present embodiment, the first communication section 20 is a converging pipe, the second communication section 30 is a diverging pipe, and the converging-diverging pipe is referred to as a laval pipe structure, so the second communication end 32 has a characteristic of increasing the ejection rate of the microsphere shot.
As shown in fig. 3, the cluster-shaped porous nozzle 1000 includes a flow channel 40, wherein the flow channel 40 is disposed in the nozzle body 10, one end of the flow channel 40 is connected to the first communication section 20, the other end of the flow channel 40 is connected to the second communication section 30, and the flow channel 40 is used for increasing the flow property and the flow velocity of the microsphere shot.
In detail, in the present embodiment, the flow conduit 40 is disposed through the nozzle body 10, one end of the flow conduit 40 is connected to the first communication section 20, the other end is connected to the second communication section 30, and the flow conduit converges from one end of the first communication section 20 to the second communication end 32 along the axial direction of the nozzle body 10, so as to increase the flow and the flow velocity of the microsphere shot.
As shown in fig. 3, the number of the flow channels 40 is plural, and the flow channels 40 are gathered from the first communication section 20 toward the second communication section 30 around the axial direction of the nozzle body 10 to cluster the microsphere shot and increase the flow of the microsphere shot through the flow channels 40.
In detail, in the present embodiment, the number of the flow ducts 40 is four, the four flow ducts 40 are respectively provided to penetrate the first communicating section 20 and the second communicating section 30 in the nozzle body 10, and the four flow ducts 40 are provided at 0 °, 90 °, 180 °, 270 ° on the cross section of the nozzle body 10, that is, at four vertices of the nozzle body 10, up, down, left, right, and so on, so that the passability can be enhanced.
The cluster-shaped porous nozzle 1000 is made of tungsten carbide.
In detail, the tungsten carbide material has stable chemical properties, has hardness similar to that of diamond and good thermal conductivity, and the hardness of the tungsten carbide material is rarely reduced along with the increase of the working temperature, so that the working life of the cluster-shaped porous nozzle 1000 can be effectively prolonged.
The utility model also provides a microsphere shot blasting machine, which comprises a shot blasting machine body, wherein the shot blasting machine body comprises a spray pipe, the spray pipe is arranged on the shot blasting machine body, and the shot blasting machine body is used for spraying microsphere shot blasting; the cluster-type porous nozzle 1000 according to any one of the above embodiments, wherein the first communication section 20 is connected to a nozzle pipe for delivering microsphere shot, and the cluster-type porous nozzle 1000 is used for ejecting microsphere shot after cluster.
In combination with all the embodiments, the utility model realizes the improvement of shot blasting coverage rate and shot blasting efficiency and the service life of the shot blasting nozzle under the same time by adopting the cluster porous nozzle which forms a Laval nozzle structure and is made of tungsten carbide.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A cluster-type porous nozzle, comprising:
the microsphere shot blasting machine comprises a nozzle body, wherein the nozzle body comprises a feed inlet and a discharge outlet, the feed inlet is arranged at one end of the nozzle body, the discharge outlet is arranged at the other end of the nozzle body, the feed inlet is connected with the discharge outlet through a through hole, and microsphere shot blasting can be performed along the through hole;
one end of the first communication section is connected with the feed inlet, and the first communication section is used for receiving microsphere shot blasting;
one end of the second communication section is connected with the discharge port, the other end of the second communication section is connected with the first communication section, and the second communication section is used for spraying microsphere shot blasting;
the first communication section and the second communication section form a Laval nozzle structure.
2. The bundled shaped porous nozzle as claimed in claim 1, wherein the first communication section comprises an inlet end and a first communication end, the first communication end being connected to the inlet end, the inlet end being connected to the feed inlet, the inlet end being capable of receiving microsphere bead blasting.
3. The bundled shaped porous nozzle as claimed in claim 2, wherein the second communication section includes an outlet end and a second communication end, the second communication end being connected to the first communication end, the outlet end being disposed at an end of the second communication section remote from the inlet end, the outlet end being capable of causing the bead blasting to be outwardly ejected.
4. A cluster-type multi-hole nozzle as set forth in claim 3, wherein a junction of said first communicating end and said second communicating end forms a narrow throat, and said first communicating section is gathered from an inlet end toward said narrow throat in an axial direction of said nozzle body for cluster-ball peening.
5. The bundled shaped porous nozzle as claimed in claim 4, wherein the first communication end comprises a horizontal end and a converging end, the horizontal end is connected with the feed inlet, one end of the converging end is connected with the horizontal end, one end of the converging end is connected with the narrow throat, the converging end is converging from the horizontal end to the narrow throat along an axial direction of the nozzle body, and the converging end is used for increasing an injection rate of microsphere shot blasting.
6. The bundled shaped porous nozzle as claimed in claim 5, wherein the second communication end is enlarged from the narrow throat toward the outlet end in an axial direction of the nozzle body for enabling microsphere peening to increase a peen rate.
7. The bundled porous nozzle as claimed in claim 1, wherein the bundled porous nozzle comprises a flow conduit disposed within the nozzle body, one end of the flow conduit being connected to the first communication section, the other end of the flow conduit being connected to the second communication section, the flow conduit being configured to increase the flow and flow rate of the microsphere bead blasting.
8. The bundled shaped porous nozzle as claimed in claim 7, wherein the number of the flow channels is plural, and the plural flow channels are gathered from the first communication section toward the second communication section around the axial direction of the nozzle body for bundling the microsphere bead blasting and increasing the flow of the microsphere bead blasting through the flow channels.
9. The bundled shaped porous nozzle as claimed in claim 1, wherein a material of the bundled shaped porous nozzle is tungsten carbide.
10. A microsphere bead blaster comprising:
the system comprises a shot blasting machine body, a control device and a control device, wherein the shot blasting machine body comprises a spray pipe, the spray pipe is arranged on the shot blasting machine body, and the shot blasting machine body is used for spraying microsphere shot blasting;
the cluster-type porous nozzle of any one of claims 1 to 9, wherein the first communication section is connected to the nozzle pipe for delivering microsphere peening, the cluster-type porous nozzle being configured to post-cluster blast microsphere peening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162997.XU CN218904963U (en) | 2022-11-28 | 2022-11-28 | Bundling type porous nozzle and microsphere shot blasting machine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162997.XU CN218904963U (en) | 2022-11-28 | 2022-11-28 | Bundling type porous nozzle and microsphere shot blasting machine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218904963U true CN218904963U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223162997.XU Active CN218904963U (en) | 2022-11-28 | 2022-11-28 | Bundling type porous nozzle and microsphere shot blasting machine thereof |
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| Country | Link |
|---|---|
| CN (1) | CN218904963U (en) |
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- 2022-11-28 CN CN202223162997.XU patent/CN218904963U/en active Active
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