CN218170011U - Nozzle of sand blasting machine - Google Patents
Nozzle of sand blasting machine Download PDFInfo
- Publication number
- CN218170011U CN218170011U CN202222709243.5U CN202222709243U CN218170011U CN 218170011 U CN218170011 U CN 218170011U CN 202222709243 U CN202222709243 U CN 202222709243U CN 218170011 U CN218170011 U CN 218170011U
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- air guide
- guide bush
- seat shell
- air
- pipe
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Abstract
The utility model discloses a nozzle of a sand blasting machine, which relates to the technical field of sand blasting machines and comprises a seat shell and an air guide bush; a seat shell: an air inlet spray pipe is arranged in the inner cavity, an end cover is fixed on the outer side of the upper end of the air inlet spray pipe, the end cover is sealed at one end of the seat shell, and a feeding pipe is arranged in the middle of the end cover; air guide bush: the seat shell cavity at the lower side of the air guide bush is communicated with the feeding pipe through a spiral groove on the air guide bush; the gas inlet nozzle is characterized by further comprising an outlet pipe, wherein the outlet pipe is arranged at the other end of the end cover, and the outlet pipe and the gas inlet nozzle are coaxial. The nozzle of the sand blasting machine is beneficial to realizing the grinding material and the air flow and mixing, improves the acceleration efficiency, reduces the abrasion of the inner wall and prolongs the service life.
Description
Technical Field
The utility model relates to a sand blasting machine technical field specifically is a sand blasting machine spout.
Background
Sandblasters are a category of air delivery machines. The method is characterized in that a powdery particle (with the diameter of 1-4 mm) material is conveyed from one place to another place in a pipeline by utilizing compressed air, and in the process of converting kinetic energy into potential energy, the surface of an object is flushed by sand grains moving at high speed, so that the effect of improving the surface quality of the object is achieved. The suction dry sand blasting machine uses compressed air as power, forms negative pressure in the spray gun through high-speed movement of air flow, sucks abrasive materials into the spray gun through a sand conveying pipe, ejects the abrasive materials through the nozzle, and ejects the abrasive materials to a surface to be processed, so that the expected processing purpose is achieved. In a suction type dry sand blasting machine, compressed air is not only supply power but also jet flow acceleration power, abrasive and air flow mixing is completed in a nozzle of the dry sand blasting machine, a single included angle is formed in an abrasive path and an air flow path of the conventional sand blasting machine, the abrasive and the air flow are not mixed uniformly, and excessive abrasion of an inner wall is easily caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a sand blasting machine spout, be favorable to realizing abrasive material and air current and mixing, improved efficiency with higher speed, reduce the wearing and tearing of inner wall simultaneously, prolonged life, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a nozzle of a sand blasting machine comprises a seat shell and an air guide bushing;
seat shell: an air inlet spray pipe is arranged in the inner cavity, an end cover is fixed on the outer side of the upper end of the air inlet spray pipe, the end cover is sealed at one end of the seat shell, and a feeding pipe is arranged in the middle of the end cover;
air guide bush: the seat shell cavity at the lower side of the air guide bush is communicated with the feeding pipe through a spiral groove on the air guide bush;
wherein: the gas inlet nozzle is characterized by further comprising an outlet pipe, wherein the outlet pipe is arranged at the other end of the end cover, and the outlet pipe and the gas inlet nozzle are coaxial.
Furthermore, an inner hole is formed in the middle of the air guide bushing, the spiral groove is formed in the outer wall of the air guide bushing, and the lower end of the spiral groove is communicated with the inner hole through a connecting hole. The grinding materials are sucked below the air guide bush through the spiral groove, and the grinding materials enter spirally to reduce the included angle between the grinding materials and the air inlet path, so that the grinding materials are favorably diffused and mixed with air flow.
Furthermore, a stop ring is fixed on the outer wall of the top end of the air inlet spray pipe, the stop ring is clamped on the upper side of the air guide bushing, and the outer wall of the inner side end of the air inlet spray pipe contracts to form a conical end. The conical end plays a role in guiding, and is beneficial to mixing of the abrasive material and the air flow towards the center.
Furthermore, the inner wall of seat shell is fixed with the stationary blade, the stationary blade corresponds with the clearance of inlet pipe, the screw hole in stationary blade middle part passes through bolted connection with the screw in end cover middle part. The seat shell is connected with the end cover through a bolt, and is convenient to detach and replace.
Further, the inner hole comprises a straight wall section and an involute section, the involute section is close to the outlet pipe, and the inner side end of the air inlet spray pipe extends to the outer side of the involute section. The connecting hole is positioned on the gradually-opened section, so that the processing is convenient, and the grinding material can enter the inner hole conveniently.
Furthermore, the air guide sleeve further comprises a support ring, wherein the support ring is fixed on the inner wall of the seat shell and is supported at the lower end of the air guide bush. The support ring defines the position of the air guide bushing.
Compared with the prior art, the beneficial effects of the utility model are that: this sand blasting machine spout has following benefit:
1. the nozzle of the sand blasting machine is beneficial to realizing the mixing of the abrasive and the air flow, improves the acceleration efficiency, reduces the abrasion of the inner wall and prolongs the service life;
2. the grinding materials are sucked below the air guide bush through the spiral groove, and the grinding materials enter spirally to reduce the included angle between the grinding materials and the air inlet path, so that the grinding materials are favorably diffused and mixed with air flow;
3. the connecting hole is positioned on the gradually-opened section, so that the processing is convenient, and the grinding material can enter the inner hole conveniently.
Drawings
FIG. 1 is a schematic view of the overall axial structure of the present invention;
FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the structure of the air guide bushing and the air inlet nozzle assembly of the present invention;
fig. 4 is a schematic structural view of the air guide bush of the present invention.
In the figure: the air guide structure comprises a base shell 1, an air guide bushing 2, a spiral groove 201, a connecting hole 202, an inner hole 203, an air inlet spray pipe 3, a stop ring 301, a cone end 302, an end cover 4, a feed pipe 5, an outlet pipe 6, a fixing piece 7, a bolt 8, a straight wall section 9, a gradually opened section 10 and a support ring 11.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment provides a technical solution: a nozzle of a sand blasting machine comprises a seat shell 1 and an air guide bush 2;
seat shell 1: an air inlet spray pipe 3 is arranged in the inner cavity, an end cover 4 is fixed on the outer side of the upper end of the air inlet spray pipe 3, the end cover 4 is sealed at one end of the seat shell 1, and a feeding pipe 5 is arranged in the middle of the end cover 4;
an air guide bush 2: the cavity of the seat shell 1 at the lower side of the air guide bush 2 is communicated with the feeding pipe 5 through a spiral groove 201 on the air guide bush 2;
an inner hole 203 is formed in the middle of the air guide bush 2, the spiral groove 201 is formed in the outer wall of the air guide bush 2, and the lower end of the spiral groove 201 is communicated with the inner hole 203 through a connecting hole 202;
the grinding materials are sucked below the air guide bush 2 through the spiral groove 201, and the grinding materials enter spirally to reduce the included angle between the grinding materials and an air inlet path, so that the grinding materials are favorably diffused and mixed with air flow;
the inner hole 203 comprises a straight wall section 9 and an involute section 10, the involute section 10 is close to the outlet pipe 6, and the inner side end of the air inlet spray pipe 3 extends to the outer side of the involute section 10;
the connecting hole 202 is positioned on the gradually-opened section 10, so that the processing is convenient, and the grinding materials can enter the inner hole conveniently;
a stop ring 301 is fixed on the outer wall of the top end of the air inlet spray pipe 3, the stop ring 301 is clamped on the upper side of the air guide bush 2, and the outer wall of the inner side end of the air inlet spray pipe 3 is contracted to form a conical end 302;
the conical end 302 plays a role in guiding, so that the abrasive is favorably mixed with the air flow towards the center;
a fixing piece 7 is fixed on the inner wall of the seat shell 1, the fixing piece 7 corresponds to the gap of the feeding pipe 5, and a threaded hole in the middle of the fixing piece 7 is connected with a threaded hole in the middle of the end cover 4 through a bolt 8;
the seat shell is connected with the end cover through a bolt, so that the seat shell is convenient to disassemble and replace;
wherein: the gas inlet nozzle also comprises an outlet pipe 6, wherein the outlet pipe 6 is arranged at the other end of the end cover 4, and the outlet pipe 6 and the gas inlet nozzle 3 are coaxial; the mixed grinding material is accelerated to be sprayed out through an outlet pipe 6;
and a support ring 11, wherein the support ring 11 is fixed on the inner wall of the seat shell 1, the support ring 11 is supported at the lower end of the air guide bush 2, and the support ring 11 limits the position of the air guide bush 2.
The utility model provides a pair of sand blasting machine spout's theory of operation as follows:
the feeding pipe 5 is connected with an abrasive pipe of the sand blasting machine, the air inlet spray pipe 3 is connected with an external air compressor, air flow is sprayed to the outlet pipe 6 through the air inlet spray pipe 3, the inner cavity of the seat shell 1 is lowered, abrasive is sucked in through the feeding pipe 5 and the spiral groove 201, is cut into the inner hole 203 through the connecting hole 202, is mixed with straight air flow, and is sprayed out from the outlet pipe 6 after being accelerated.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.
Claims (6)
1. The utility model provides a sand blasting machine spout which characterized in that: comprises a seat shell (1) and an air guide bush (2);
seat shell (1): an air inlet spray pipe (3) is arranged in the inner cavity, an end cover (4) is fixed on the outer side of the upper end of the air inlet spray pipe (3), the end cover (4) is sealed at one end of the seat shell (1), and a feeding pipe (5) is arranged in the middle of the end cover (4);
air guide bush (2): the air guide sleeve is sleeved on the outer side of the air inlet spray pipe (3), and a cavity of the seat shell (1) at the lower side of the air guide bush (2) is communicated with the feeding pipe (5) through a spiral groove (201) on the air guide bush (2);
wherein: the gas inlet nozzle is characterized by further comprising an outlet pipe (6), wherein the outlet pipe (6) is arranged at the other end of the end cover (4), and the outlet pipe (6) and the gas inlet nozzle (3) are coaxial.
2. A sander spout according to claim 1 wherein: the middle part of the air guide bush (2) is provided with an inner hole (203), the spiral groove (201) is arranged on the outer wall of the air guide bush (2), and the lower end of the spiral groove (201) is communicated with the inner hole (203) through the connecting hole (202).
3. A sander spout according to claim 1, characterized in that: the air inlet device is characterized in that a stop ring (301) is fixed on the outer wall of the top end of the air inlet spray pipe (3), the stop ring (301) is clamped on the upper side of the air guide bushing (2), and the outer wall of the inner side end of the air inlet spray pipe (3) is contracted to form a conical end (302).
4. A sander spout according to claim 1 wherein: the inner wall of seat shell (1) is fixed with stationary blade (7), stationary blade (7) correspond with the clearance of inlet pipe (5), the screw hole at stationary blade (7) middle part passes through bolt (8) with the screw in end cover (4) middle part and is connected.
5. A sander spout according to claim 2, characterized in that: the hole (203) is including straight wall section (9) and gradual opening section (10), gradual opening section (10) are close to outlet pipe (6), the medial extremity of admitting air spray tube (3) extends to the outside of gradual opening section (10).
6. A sander spout according to claim 1 wherein: the air guide sleeve is characterized by further comprising a support ring (11), wherein the support ring (11) is fixed on the inner wall of the seat shell (1), and the support ring (11) is supported at the lower end of the air guide bush (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709243.5U CN218170011U (en) | 2022-10-14 | 2022-10-14 | Nozzle of sand blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709243.5U CN218170011U (en) | 2022-10-14 | 2022-10-14 | Nozzle of sand blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218170011U true CN218170011U (en) | 2022-12-30 |
Family
ID=84606597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222709243.5U Active CN218170011U (en) | 2022-10-14 | 2022-10-14 | Nozzle of sand blasting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218170011U (en) |
-
2022
- 2022-10-14 CN CN202222709243.5U patent/CN218170011U/en active Active
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