CN214978490U - Novel laser cutting nozzle body - Google Patents
Novel laser cutting nozzle body Download PDFInfo
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- CN214978490U CN214978490U CN202120460755.5U CN202120460755U CN214978490U CN 214978490 U CN214978490 U CN 214978490U CN 202120460755 U CN202120460755 U CN 202120460755U CN 214978490 U CN214978490 U CN 214978490U
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Abstract
The utility model relates to the technical field of laser cutting, in particular to a novel laser cutting nozzle body, which comprises a nozzle, wherein the upper end of the nozzle is fixedly connected with a nozzle seat, the middle part of the nozzle seat is provided with a through hole, the inner wall of the through hole in the middle part of the nozzle seat is fixedly connected with a sealing plate, the inside of the nozzle is provided with a spray pipe, the lower end of the spray pipe penetrates through the bottom of the nozzle, the middle part of the sealing plate is provided with a through hole, the upper end of the spray pipe penetrates through the through hole and is fixedly connected with the sealing plate, and a heat dissipation cavity is arranged between the inside of the nozzle and the spray pipe. Can carry out cutting angle's fine setting to the nozzle, the practicality is higher.
Description
Technical Field
The utility model relates to a laser cutting technical field specifically is a novel laser cutting nozzle body.
Background
The laser processing technology refers to a process engineering of cutting, welding, marking, carving, surface treatment, micro-machining and the like on the surface of a material or a part by adopting a high-energy laser beam. The laser machining system is generally composed of at least four components, namely a laser, a light-conducting system, a laser machining head device and a machining table. The laser cutting nozzle and the connecting sleeve device are indispensable important components in a laser processing head device, and the design and the manufacturing quality of the laser cutting nozzle and the connecting sleeve device are very important to ensure that good processing quality is obtained. In particular, in the processing process, the nozzle assembly must ensure smooth blowing of high-pressure high-speed gas and stable operation of the capacitance type height sensor so as to prevent slag return and ensure smooth processing. Current laser cutting nozzle body is at the during operation, and its nozzle surface is in the laser jet environment for a long time, receives the damage very easily, reduces the life of nozzle, secondly, all is immovable after the installation of current nozzle body, can not carry out cutting angle's fine setting, and the practicality is not high, moreover, the inside temperature of nozzle is very high, but hardly dispels the heat, for this, the utility model provides a novel laser cutting nozzle body is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel laser cutting nozzle body to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel laser cutting nozzle body comprises a nozzle, wherein a nozzle seat is fixedly connected to the upper end of the nozzle, a through hole is formed in the middle of the nozzle seat, a sealing plate is fixedly connected to the inner wall of the through hole in the middle of the nozzle seat, a spray pipe is arranged inside the nozzle, the lower end of the spray pipe penetrates through the bottom of the nozzle, a through hole is formed in the middle of the sealing plate, the upper end of the spray pipe penetrates through the through hole and is fixedly connected with the sealing plate, a heat dissipation cavity is formed between the inside of the nozzle and the spray pipe, a connecting sleeve is arranged above the nozzle seat, a protective shell is fixedly connected to the side wall of the lower end of the connecting sleeve, the nozzle and the nozzle seat are located inside the protective shell, a rotating shaft is fixedly connected to the side wall of one upper end of the nozzle, a limiting groove is formed in the inner wall of one upper end of the protective shell, the other end of the rotating shaft is inserted into the limiting groove, and is rotatably connected with the protective shell, the other side wall of the upper end of the nozzle is fixedly connected with a driven gear, the other side wall of the upper end of the protective shell is provided with a through hole, the other side of the upper end of the protective shell is provided with a connecting rod, one end of the connecting rod penetrates through the through hole to be rotatably connected with the protective shell, one end of the connecting rod is fixedly connected with a driving gear, the driving gear is meshed with the driven gear, a laser beam inlet is arranged in the connecting sleeve, one side of the upper end of the laser beam inlet is fixedly connected with an oxygen inlet pipe, the laser beam inlet is communicated with the oxygen inlet pipe, the bottom of the laser beam inlet is fixedly connected with a connecting hose, the other end of the connecting hose is fixedly connected with the top end of the spray pipe, one side of the lower end of the connecting sleeve is fixedly connected with an air inlet pipe, one end of the air inlet pipe extends into the heat dissipation cavity, and the other side of the lower end of the connecting sleeve is fixedly connected with an air outlet pipe, one end of the air outlet pipe extends into the heat dissipation cavity, and the top of the connecting sleeve is fixedly connected with a threaded joint.
Preferably, the nozzle is a conical structure, the nozzle holder is a circular disc with a truncated cone-shaped through hole in the center, and the diameter of the nozzle holder is larger than that of the upper end of the nozzle.
Preferably, the protective housing is of a hollow cylindrical structure, a through hole is formed in the middle of the bottom end of the protective housing, and the bottom end of the spray pipe is located right above the through hole.
Preferably, the rotating shaft and the driven gear are symmetrically distributed on two sides of the upper end of the nozzle, and the rotating shaft and the driven gear are located on the same horizontal line.
Preferably, the laser beam inlet is positioned right above the spray pipe, the oxygen inlet pipe is positioned above the air outlet pipe, and the air inlet pipe and the air outlet pipe are symmetrically distributed on two sides of the connecting sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the protective shell is arranged outside the nozzle, the nozzle is isolated from the external severe working environment, damage to the nozzle is reduced, the service life of the nozzle body is prolonged, the driven gear is arranged on one side of the nozzle, the connecting rod is arranged on one side of the protective shell, the driving gear is arranged at one end of the connecting rod, the driven gear is driven to rotate by rotating the driving gear, fine adjustment of the cutting angle of the nozzle can be achieved, and the practicability is high;
2. the spray pipe is arranged inside the nozzle, laser beams entering the connecting sleeve are mixed with oxygen and then enter the spray pipe, and the mixture is sprayed out through the spray pipe, so that workpieces are cut, a heat dissipation cavity is formed between the nozzle and the spray pipe, the air inlet pipe and the air outlet pipe are respectively arranged on two sides of the connecting sleeve, and the spray pipe is discharged again and circulates in a reciprocating mode to dissipate heat inside the nozzle through air in the heat dissipation cavity inside the nozzle during working.
Drawings
FIG. 1 is a schematic view of the structure of a laser cutting nozzle body according to the present invention;
fig. 2 is a schematic view of the connection structure between the nozzle and the driving gear according to the present invention.
In the figure: the device comprises a nozzle 1, a nozzle holder 2, a sealing plate 3, a heat dissipation cavity 4, a spray pipe 5, a connecting sleeve 6, a protective shell 7, a rotating shaft 8, a limiting groove 9, a driven gear 10, a connecting rod 11, a driving gear 12, a laser beam inlet 13, an oxygen inlet pipe 14, a connecting hose 15, an air inlet pipe 16, an air outlet pipe 17 and a threaded joint 18.
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 to 2, the present invention provides a technical solution: a novel laser cutting nozzle body comprises a nozzle 1, a nozzle seat 2 is fixedly connected to the upper end of the nozzle 1, a through hole is formed in the middle of the nozzle seat 2, the nozzle 1 is of a conical structure, the nozzle seat 2 is of a disc with a truncated cone-shaped through hole in the center, the diameter of the nozzle seat 2 is larger than that of the upper end of the nozzle 1, a sealing plate 3 is fixedly connected to the inner wall of the through hole in the middle of the nozzle seat 2, a spray pipe 5 is arranged inside the nozzle 1, the lower end of the spray pipe 5 penetrates through the bottom of the nozzle 1, a through hole is formed in the middle of the sealing plate 3, the upper end of the spray pipe 5 penetrates through the through hole and is fixedly connected with the sealing plate 3, a heat dissipation cavity 4 is arranged between the inside of the nozzle 1 and the spray pipe 5, a connecting sleeve 6 is arranged above the nozzle seat 2, a protective shell 7 is fixedly connected to the side wall of the lower end of the connecting sleeve 6, the protective shell 7 is of a hollow cylindrical structure, and a through hole is formed in the middle of the bottom end of the protective shell 7, the bottom end of the spray pipe 5 is positioned right above the through hole, the nozzle 1 and the nozzle seat 2 are positioned inside the protective shell 7, the nozzle 1 is isolated from the external severe working environment, the damage to the nozzle 1 is reduced, the service life of the nozzle body is prolonged, the side wall of one side of the upper end of the nozzle 1 is fixedly connected with a rotating shaft 8, the inner wall of one side of the upper end of the protective shell 7 is provided with a limiting groove 9, the other end of the rotating shaft 8 is inserted into the limiting groove 9, the rotating shaft 8 is rotatably connected with the protective shell 7, the side wall of the other side of the upper end of the nozzle 1 is fixedly connected with a driven gear 10, the rotating shaft 8 and the driven gear 10 are symmetrically distributed on two sides of the upper end of the nozzle 1, the rotating shaft 8 and the driven gear 10 are positioned on the same horizontal line, the side wall of the other side of the upper end of the protective shell 7 is provided with a through hole, the other side of the upper end of the protective shell 7 is provided with a connecting rod 11, one end of the connecting rod 11 penetrates through the through hole to be rotatably connected with the protective shell 7, one end of the connecting rod 11 is fixedly connected with a driving gear 12, the driving gear 12 is meshed with a driven gear 10, the driven gear 10 is driven to rotate by rotating the driving gear 12, fine adjustment of a cutting angle of the nozzle 1 can be carried out, the practicability is higher, a laser beam inlet 13 is arranged inside the connecting sleeve 6, an oxygen inlet pipe 14 is fixedly connected to one side of the upper end of the laser beam inlet 13, the laser beam inlet 13 is communicated with the oxygen inlet pipe 14, a connecting hose 15 is fixedly connected to the bottom of the laser beam inlet 13, the other end of the connecting hose 15 is fixedly connected with the top end of the spray pipe 5, a laser beam entering from the connecting sleeve 6 is mixed with oxygen and then enters the spray pipe 5, the mixture is sprayed out through the spray pipe 5, a workpiece is cut, an air inlet pipe 16 is fixedly connected to one side of the lower end of the connecting sleeve 6, one end of the air inlet pipe 16 extends into the heat dissipation cavity 4, and an air outlet pipe 17 is fixedly connected to the other side of the lower end of the connecting sleeve 6, one end of an air outlet pipe 17 extends into the heat dissipation cavity 4, when the air jet nozzle works, air passes through the heat dissipation cavity 4 in the nozzle 1 and is discharged again, the heat dissipation is carried out on the interior of the nozzle 1, a laser beam inlet 13 is positioned right above a jet pipe 5, an oxygen inlet pipe 14 is positioned above the air outlet pipe 17, the air inlet pipe 16 and the air outlet pipe 17 are symmetrically distributed on two sides of a connecting sleeve 6, the top of the connecting sleeve 6 is fixedly connected with a threaded joint 18, when the air jet nozzle is used, the whole nozzle body is firstly installed on a machine through the threaded joint 18, one end of the oxygen inlet pipe 14 is connected with an oxygen supply machine, then a connecting rod 11 is rotated, so that a driving gear 12 drives a driven gear 10 to rotate, the nozzle 1 in a protective shell 7 is adjusted, after the adjustment is carried out, laser is introduced into the laser beam inlet 13, meanwhile, oxygen begins to be introduced, the two are mixed and then ejected through the jet pipe 5, the workpiece is cut, meanwhile, air passes through the air inlet pipe 16 into the heat dissipation cavity 4, and is exhausted from the air outlet pipe 17, and the reciprocating circulation is carried out to dissipate heat inside the nozzle 1.
The working principle is as follows: when the novel laser cutting nozzle body is used, the whole nozzle body is firstly installed on a machine through a threaded connector 18, one end of an oxygen inlet pipe 14 is connected with an oxygen supply machine, a connecting rod 11 is rotated again, a driving gear 12 drives a driven gear 10 to rotate, a nozzle 1 inside a protective shell 7 is adjusted, laser is introduced into a laser beam inlet 13 after the adjustment is completed, oxygen starts to be introduced simultaneously, the two are mixed and then sprayed out through a spray pipe 5 to cut a workpiece, meanwhile, air passes through a heat dissipation cavity 4 through an air inlet pipe 16 and then is discharged from an air outlet pipe 17, and the reciprocating circulation is performed to dissipate heat inside the nozzle 1; the novel laser cutting nozzle body is provided with the protective shell 7 outside the nozzle 1, the nozzle 1 is isolated from the external severe working environment, the damage to the nozzle 1 is reduced, the service life of the nozzle body is prolonged, the driven gear 10 is arranged on one side of the nozzle 1, the connecting rod 11 is arranged on one side of the protective shell 7, the driving gear 12 is arranged at one end of the connecting rod 11, the driven gear 10 is driven to rotate by rotating the driving gear 12, the fine adjustment of the cutting angle of the nozzle 1 can be carried out, the practicability is higher, the spray pipe 5 is arranged inside the nozzle 1, a laser beam entering from the connecting sleeve 6 is mixed with oxygen and then enters the spray pipe 5, the laser beam is sprayed out through the spray pipe 5, thereby a workpiece is cut, the heat dissipation cavity 4 is formed between the nozzle 1 and the spray pipe 5, the air inlet pipe 16 and the air outlet pipe 17 are respectively arranged on the two sides of the connecting sleeve 6, and air passes through the heat dissipation cavity 4 inside the nozzle 1 during working, and then discharged and circulated to dissipate heat inside the nozzle 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A novel laser cutting nozzle body, includes nozzle (1), its characterized in that: the upper end of the nozzle (1) is fixedly connected with a nozzle seat (2), the middle of the nozzle seat (2) is provided with a through hole, the inner wall of the through hole in the middle of the nozzle seat (2) is fixedly connected with a sealing plate (3), a spray pipe (5) is arranged in the nozzle (1), the lower end of the spray pipe (5) penetrates through the bottom of the nozzle (1), the middle of the sealing plate (3) is provided with a through hole, the upper end of the spray pipe (5) penetrates through the through hole and is fixedly connected with the sealing plate (3), a heat dissipation cavity (4) is arranged between the interior of the nozzle (1) and the spray pipe (5), a connecting sleeve (6) is arranged above the nozzle seat (2), the side wall at the lower end of the connecting sleeve (6) is fixedly connected with a protective shell (7), the nozzle (1) and the nozzle seat (2) are positioned in the protective shell (7), and the side wall at one side of the upper end of the nozzle (1) is fixedly connected with a rotating shaft (8), a limiting groove (9) is formed in the inner wall of one side of the upper end of the protective shell (7), the other end of the rotating shaft (8) is inserted into the limiting groove (9), the rotating shaft (8) is rotatably connected with the protective shell (7), a driven gear (10) is fixedly connected to the side wall of the other side of the upper end of the nozzle (1), a through hole is formed in the side wall of the other side of the upper end of the protective shell (7), a connecting rod (11) is arranged on the other side of the upper end of the protective shell (7), one end of the connecting rod (11) penetrates through the through hole to be rotatably connected with the protective shell (7), a driving gear (12) is fixedly connected to one end of the connecting rod (11), the driving gear (12) is meshed with the driven gear (10), a laser beam inlet (13) is formed in the connecting sleeve (6), and an oxygen inlet pipe (14) is fixedly connected to one side of the upper end of the laser beam inlet (13), laser beam import (13) link up with oxygen intake pipe (14) mutually, the bottom fixedly connected with coupling hose (15) of laser beam import (13), the other end of coupling hose (15) and the top fixed connection of spray tube (5), lower extreme one side fixedly connected with air intake pipe (16) of adapter sleeve (6), the inside in heat dissipation chamber (4) is stretched into to the one end of air intake pipe (16), the lower extreme opposite side fixedly connected with air outlet duct (17) of adapter sleeve (6), the inside in heat dissipation chamber (4) is stretched into to the one end of air outlet duct (17), the top fixedly connected with screwed joint (18) of adapter sleeve (6).
2. The novel laser cutting nozzle body of claim 1, wherein: the nozzle (1) is of a conical structure, the nozzle seat (2) is a disc with a truncated cone-shaped through hole in the center, and the diameter of the nozzle seat (2) is larger than that of the upper end of the nozzle (1).
3. The novel laser cutting nozzle body of claim 1, wherein: the protective housing (7) is of a hollow cylinder structure, a through hole is formed in the middle of the bottom end of the protective housing (7), and the bottom end of the spray pipe (5) is located right above the through hole.
4. The novel laser cutting nozzle body of claim 1, wherein: the rotating shaft (8) and the driven gear (10) are symmetrically distributed on two sides of the upper end of the nozzle (1), and the rotating shaft (8) and the driven gear (10) are located on the same horizontal line.
5. The novel laser cutting nozzle body of claim 1, wherein: the laser beam inlet (13) is positioned right above the spray pipe (5), the oxygen inlet pipe (14) is positioned above the air outlet pipe (17), and the air inlet pipe (16) and the air outlet pipe (17) are symmetrically distributed on two sides of the connecting sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460755.5U CN214978490U (en) | 2021-03-03 | 2021-03-03 | Novel laser cutting nozzle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120460755.5U CN214978490U (en) | 2021-03-03 | 2021-03-03 | Novel laser cutting nozzle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214978490U true CN214978490U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120460755.5U Active CN214978490U (en) | 2021-03-03 | 2021-03-03 | Novel laser cutting nozzle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214978490U (en) |
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2021
- 2021-03-03 CN CN202120460755.5U patent/CN214978490U/en active Active
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