CN114888726A - High-pressure sand blasting machine nozzle structure of high-chromium wear-resistant cast iron - Google Patents
High-pressure sand blasting machine nozzle structure of high-chromium wear-resistant cast iron Download PDFInfo
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- CN114888726A CN114888726A CN202210681382.3A CN202210681382A CN114888726A CN 114888726 A CN114888726 A CN 114888726A CN 202210681382 A CN202210681382 A CN 202210681382A CN 114888726 A CN114888726 A CN 114888726A
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- nozzle
- sand
- spray gun
- sand flow
- sand blasting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a high-chromium wear-resistant cast iron nozzle structure of a high-pressure sand blasting machine, which comprises a hollow nozzle body, wherein one end of the nozzle body is a spray gun body connecting end, and the other end of the nozzle body is a nozzle operating end; the outer side face of the connecting end of the spray gun body is provided with connecting threads, the length of the connecting end of the spray gun body is set to be 25MM, and the length of the operating end of the nozzle is set to be 85 MM. The invention can make the nozzle extend into the hole to perform sand blasting by lengthening the operation end of the nozzle, and has concentrated beam flow and good sand blasting quality. The sand flow guiding part is set to be a trapezoidal sand flow guiding part with the cross section gradually reduced from outside to inside, the sand flow high-speed flowing part is set to be a strip-shaped sand flow high-speed flowing part with the rectangular cross section, so that sand flow can conveniently enter the nozzle and can be subjected to beam flow, and the sand blasting efficiency is high because the beam flow is not dispersed; because of adopting high chromium wear-resistant cast iron material, the nozzle has good wear-resistant characteristic, and adopts investment casting molding, the cost of the nozzle is low, the price is cheap, and the use cost is reduced.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a high-chromium wear-resistant cast iron nozzle structure of a high-pressure sand blasting machine.
Background
The nozzle of the high-pressure sand blasting machine is a main accessory on the high-pressure sand blasting machine and is a consumable wearing part. The accessory of the high-pressure sand blasting machine on the current market is made of hard alloy, is high in hardness and durable, but the length of the nozzle is too short, so that the requirement on sand blasting of special products cannot be met. For some products needing sand blasting, the short nozzle disperses the sprayed sand flow, so that the requirement of sand blasting on specific areas cannot be met, and the dispersed sand flow easily causes the condition that the areas without sand blasting are damaged and damaged. In addition, the nozzle is short, the jet flow is easy to disperse, the sand flow force of sand blasting is dispersed, and the sand blasting efficiency is reduced. Thirdly, the nozzle is required to be made of wear-resistant material, the wear consumption is very high due to the over-high pressure sand flow in the inner cavity of the nozzle, and even the hard alloy nozzle is worn quickly and is expensive.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the high-pressure sand blasting machine nozzle structure of the high-chromium wear-resistant cast iron has the advantages of good sand blasting quality, high sand blasting efficiency and low use cost.
The technical scheme of the invention is as follows: a high-pressure sand blasting machine nozzle structure of high-chromium wear-resistant cast iron comprises a hollow nozzle body, wherein one end of the nozzle body is a spray gun body connecting end, and the other end of the nozzle body is a nozzle operating end; the outer side face of the connecting end of the spray gun body is provided with connecting threads, the length of the connecting end of the spray gun body is set to be 25MM, and the length of the operating end of the nozzle is set to be 85 MM.
The nozzle structure of the high-pressure sand blasting machine is applied to the technical scheme, wherein the hollow part of the nozzle body comprises a sand flow guide part and a sand flow high-speed flowing part; the sand flow guide part is arranged at the connecting end of the spray gun body.
Be applied to above-mentioned each technical scheme, high-pressure sand blasting machine nozzle structure in, the sand flow guide part sets up to the trapezoidal sand flow guide part that a cross-section outside-in reduces gradually, the high-speed portion that flows of sand flow sets up to the high-speed portion that flows of strip sand flow that a cross-section is the rectangle.
Be applied to above-mentioned each technical scheme, high pressure sand blasting machine nozzle structure in, the spray gun body link lateral surface still is provided with the spanner screens.
Be applied to above-mentioned each technical scheme, high pressure sand blasting machine nozzle structure in, the nozzle body adopts high chromium cast iron material to make.
Be applied to above-mentioned each technical scheme, high pressure sand blasting machine nozzle structure in, the nozzle body adopts the investment precision casting forming process to make.
The invention has the beneficial effects that:
according to the invention, the length of the nozzle operation end is set to be 85MM, and the nozzle operation end is lengthened, so that the nozzle operation end can extend into the hole for sand blasting, the beam is concentrated, and the sand blasting quality is good. Moreover, the sand flow guide part is set to be a trapezoidal sand flow guide part with the cross section gradually reduced from outside to inside, and the sand flow high-speed flowing part is set to be a strip-shaped sand flow high-speed flowing part with the rectangular cross section, so that sand flow can conveniently enter the nozzle and can be subjected to beam flow, and the beam flow is not dispersed, so that the sand blasting efficiency is high; and because the high-chromium wear-resistant cast iron material is adopted, the nozzle has good wear-resistant characteristic and is formed by adopting investment casting, the cost of the nozzle is low, the price is low, and the use cost is reduced.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
The embodiment provides a high-chromium wear-resistant cast iron nozzle structure of a high-pressure sand blasting machine, and as shown in fig. 1 and fig. 2, the high-pressure sand blasting machine nozzle structure comprises a hollow nozzle body, wherein one end of the nozzle body is a spray gun body connecting end 10, and the other end of the nozzle body is a nozzle operating end 20; the outer side face of the connecting end of the spray gun body is provided with a connecting thread 11 and a wrench clamping position 12, the length of the connecting end 10 of the spray gun body is set to be 25MM, and the length of the operating end 20 of the spray nozzle is set to be 85 MM.
Wherein, connecting thread 11 is used for the nozzle body to be connected with the sand blasting machine, specifically, the nozzle body passes through connecting thread 11 and sand blasting machine's spray gun body threaded connection, wherein, connecting thread 11 sets up to the external screw thread, when connecting, with its twist spray gun body the internal thread can, and, when twisting the spray gun body with the nozzle body, can use the spanner to twist into the operation through spanner screens 12, and, when dismantling, also can use the spanner to twist out the operation through spanner screens 12, it is simple and easy convenient to operate.
As shown in fig. 1, the hollow of the nozzle body includes a sand flow guide portion 13 and a sand flow high-speed flow portion 21; the sand flow guide part 13 is arranged at the connecting end 10 of the spray gun body; the sand flow guiding part 13 is a trapezoidal sand flow guiding part with the cross section gradually decreasing from outside to inside; the sand flow high-speed flowing part 21 is a strip-shaped sand flow high-speed flowing part with a rectangular cross section; so, through trapezoidal sand flow guide part, can make things convenient for behind the sand flow gets into the nozzle body to enter into the high-speed portion that flows of strip sand flow and carry out high-speed flow, the sandblast is efficient.
In addition, the nozzle body is made of high-chromium cast iron material; and the nozzle body is manufactured by adopting an investment precision casting molding process, and the investment precision casting molding is a mode with the lowest manufacturing cost, so that the manufacturing cost is lower.
So, this embodiment high pressure sand blasting machine nozzle structure, its nozzle operation end extension 70MM on original basis has retrained the sand flow, can stretch into downthehole etc. and carry out the operation sandblast, has protected the product surface of operation, has improved the operating efficiency, has guaranteed the kinetic energy of sand flow. And, through setting up the wrench screens, make things convenient for the nozzle to twist into the spray gun body and connect. Through trapezoidal sand flow guide part and the high-speed portion that flows of strip sand flow, make things convenient for the sand flow to get into the nozzle body after, carry out high-speed flow. The high-chromium wear-resistant cast iron is adopted, because the inner hole is internally provided with high-speed flowing sand flow, such as corundum, steel shots and the like, the high-chromium wear-resistant cast iron is designed for reducing wear and improving wear resistance, and has good wear resistance. In addition, the investment precision casting molding is adopted, which is a mode with the lowest manufacturing cost.
Therefore, the length of the nozzle operation end is set to be 85MM, the nozzle operation end is lengthened, the nozzle operation end can extend into the hole to perform sand blasting, the beam is concentrated, and the sand blasting quality is good. The sand flow guiding part is set to be a trapezoidal sand flow guiding part with the cross section gradually reduced from outside to inside, and the sand flow high-speed flowing part is set to be a strip-shaped sand flow high-speed flowing part with the rectangular cross section, so that sand flow can conveniently enter the nozzle and can be subjected to beam flow, and the sand blasting efficiency is high because the beam flow is not dispersed; and because the high-chromium wear-resistant cast iron material is adopted, the nozzle has good wear-resistant characteristic and is formed by adopting investment casting, the cost of the nozzle is low, the price is low, and the use cost is reduced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high pressure sand blasting machine nozzle structure of wear-resisting cast iron of high chromium which characterized in that:
the spray gun comprises a hollow spray nozzle body, wherein one end of the spray nozzle body is a spray gun body connecting end, and the other end of the spray nozzle body is a spray nozzle operation end; the outer side face of the connecting end of the spray gun body is provided with connecting threads, the length of the connecting end of the spray gun body is set to be 25MM, and the length of the operating end of the nozzle is set to be 85 MM.
2. The high pressure sander nozzle structure of claim 1, wherein: the hollow part of the nozzle body comprises a sand flow guide part and a sand flow high-speed flowing part; the sand flow guide part is arranged at the connecting end of the spray gun body.
3. The high pressure sander nozzle structure of claim 2, wherein: the sand flow guide part is a trapezoidal sand flow guide part with a section gradually reduced from outside to inside; the sand flow high-speed flowing part is a strip-shaped sand flow high-speed flowing part with a rectangular cross section.
4. The high pressure sander nozzle structure of claim 3, wherein: the lateral surface of the connecting end of the spray gun body is also provided with a wrench clamping position.
5. The high pressure sander nozzle structure of claim 4, wherein: the nozzle body is made of high-chromium cast iron material.
6. The high pressure sander nozzle structure of claim 5, wherein: the nozzle body is manufactured by adopting an investment precision casting molding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210681382.3A CN114888726A (en) | 2022-06-16 | 2022-06-16 | High-pressure sand blasting machine nozzle structure of high-chromium wear-resistant cast iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210681382.3A CN114888726A (en) | 2022-06-16 | 2022-06-16 | High-pressure sand blasting machine nozzle structure of high-chromium wear-resistant cast iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114888726A true CN114888726A (en) | 2022-08-12 |
Family
ID=82727807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210681382.3A Pending CN114888726A (en) | 2022-06-16 | 2022-06-16 | High-pressure sand blasting machine nozzle structure of high-chromium wear-resistant cast iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114888726A (en) |
-
2022
- 2022-06-16 CN CN202210681382.3A patent/CN114888726A/en active Pending
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