CN215846386U

CN215846386U - Nozzle of laser cutting machine

Info

Publication number: CN215846386U
Application number: CN202121137727.6U
Authority: CN
Inventors: 侯永存
Original assignee: Dalian Jinborui Steel Wood Furniture Co ltd
Current assignee: Dalian Jinborui Steel Wood Furniture Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-02-18
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to the field of auxiliary devices of laser cutting machines, in particular to a nozzle of a laser cutting machine, which comprises a nozzle arranged on a cutting head through a communicating hole, wherein the nozzle is divided into a spraying part and a connecting part; an auxiliary cylinder is sleeved outside the connecting part, auxiliary holes are formed in the circumferential side wall of the auxiliary cylinder, the number of the auxiliary holes is four, and the axes of the four auxiliary holes are coplanar; auxiliary depressions are arranged at positions of the connecting part corresponding to the auxiliary holes, the cross sections of the auxiliary depressions are arranged in a square shape, auxiliary magnets are fixedly connected to the bottoms of the auxiliary depressions, insertion holes are formed in the positions of the inner walls of the connecting holes corresponding to the auxiliary holes, the axes of the insertion holes are collinear with the axes of the corresponding auxiliary holes, and the ends, far away from the auxiliary holes, of the insertion holes penetrate through the cutting head; the inserting rod is inserted into each inserting hole, so that the effect of convenience in disassembly after the nozzle is heated and expanded is achieved.

Description

Nozzle of laser cutting machine

Technical Field

The utility model relates to the technical field of auxiliary devices of laser cutting machines, in particular to a nozzle of a laser cutting machine.

Background

The laser cutting machine replaces the traditional mechanical knife with invisible light beams, has the characteristics of high precision, quick cutting, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, and can gradually improve or replace the traditional metal cutting process equipment.

At present, the structure of a laser cutting machine generally comprises a cutting head, wherein a communicating hole is formed in the cutting head, a nozzle is connected with the communicating hole through threads, when the cutting head is used for cutting, laser is emitted out from the cutting head, the nozzle blows air to a cutting part, and metal vaporized by laser irradiation on a workpiece is enabled to be rapidly separated from the workpiece to achieve a cutting function.

The above prior art has the following disadvantages:

when the cutting head need be changed at the in-process nozzle of work, because the cutting head can produce certain heat, back on heat transfer to the nozzle, the whole emergence inflation of nozzle leads to the screw thread card in nozzle and the intercommunicating pore to die for the nozzle can't in time take off, change, has reduced the convenience that the nozzle used, has reduced laser cutting machine's cutting efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nozzle of a laser cutting machine, which achieves the effect of convenient disassembly after the nozzle is heated and expanded so as to solve the problems in the background technology.

In order to achieve the technical purpose and achieve the technical effects, the utility model is realized by the following technical scheme:

a nozzle of a laser cutting machine comprises a nozzle which is arranged on a cutting head through a communication hole, wherein the nozzle is divided into a conical spraying part and a cylindrical connecting part, the connecting part is positioned in the communication hole, and the spraying part is positioned outside the communication hole; an auxiliary cylinder is sleeved outside the connecting part, the outer wall of the auxiliary cylinder is abutted against the inner wall of the communicating hole, the inner wall of the auxiliary cylinder is fixedly connected with the outer wall of the connecting part, auxiliary holes are formed in the circumferential side wall of the auxiliary cylinder, four auxiliary holes are formed in the number of the auxiliary holes, and the axes of the four auxiliary holes are coplanar; auxiliary depressions are arranged at positions of the connecting part corresponding to the auxiliary holes, the cross sections of the auxiliary depressions are arranged in a square shape, auxiliary magnets are fixedly connected to the bottoms of the auxiliary depressions, insertion holes are formed in the positions of the inner walls of the connecting holes corresponding to the auxiliary holes, the axes of the insertion holes are collinear with the axes of the corresponding auxiliary holes, and the ends, far away from the auxiliary holes, of the insertion holes penetrate through the cutting head; an inserting rod is inserted into each inserting hole, and the inserting rod is made of iron materials; every peg graft and run through and insert the supplementary sunken of correspondence behind corresponding spliced eye and the auxiliary hole, every peg graft insert the supplementary magnetite butt of back and corresponding in the supplementary sunken of correspondence, the one end that every peg graft kept away from the supplementary magnetite of correspondence all is located the cutting head outside.

Preferably, inlay on the inner wall of auxiliary hole and have a plurality of balls that increase friction, a plurality of balls that increase friction are the ring form array, and every ball that increases friction all butts on the circumference lateral wall of grafting pole.

Preferably, each friction increasing ball is made of high-temperature resistant rubber.

Preferably, each insertion rod is fixedly connected with an auxiliary rod on the end outside the cutting head, the auxiliary rod is perpendicular to the insertion rod, and the end face size of the auxiliary rod is equal to that of the insertion rod.

Preferably, the cutting head is provided with a forced groove at the position abutting against the jetting part, the end of the forced groove far away from the jetting part penetrates through the surface of the cutting head abutting against the jetting part, the width of the forced groove is equal to that of the insertion rod, the depth of the forced groove is equal to that of the insertion rod, and the length of the forced groove is shorter than that of the insertion rod.

Preferably, the end of the auxiliary cylinder close to the injection part is fixedly connected with an auxiliary disc, one side of the auxiliary disc is abutted against the injection part, the other side of the auxiliary disc is abutted against the cutting head, and the auxiliary disc is made of iron.

The utility model has the beneficial effects that:

when the nozzle is fixed, supplementary magnetite is to the adsorption of grafting pole for the relative position of grafting pole and supplementary magnetite is fixed, and the grafting pole is located supplementary sunken again, can retrain the relative position relation of nozzle and intercommunicating pore, and simultaneously, the quantity of grafting pole is provided with four groups, thereby can be with fixed effect evenly distributed around the connecting portion of nozzle, and, the fixed effect of grafting pole to the shower nozzle can further be improved to the stiction of the increase ball that sets up in the auxiliary hole and grafting pole. The technical barrier that the spray head can only be in threaded connection in the communicating hole is changed through the matching of the insertion rod, the auxiliary hole, the auxiliary magnet, the auxiliary recess and the insertion hole. When the nozzle need be changed, the workman directly extracts four peg graft poles, and the shower nozzle loses the inherent restraint power of intercommunicating pore, and the workman can directly extract the nozzle from the intercommunicating pore, reaches the effect convenient to detach after the nozzle is heated the inflation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view showing four bayonet rods.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a cutting head; 11. a communicating hole; 2. a nozzle; 21. a connecting portion; 22. an injection section; 3. an auxiliary cylinder; 31. An auxiliary hole; 311. friction increasing balls; 32. auxiliary depressions; 33. an auxiliary magnet; 34. inserting holes; 4. a plug rod; 41. an auxiliary lever; 5. a forcing groove; 6. an auxiliary disk.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a nozzle of a laser cutting machine includes a nozzle 2 mounted on a cutting head 1 through a communication hole 11, the nozzle 2 being divided into a conical spray portion 22 and a cylindrical connection portion 21, the connection portion 21 being located in the communication hole 11, the spray portion 22 being located outside the communication hole 11; the connecting portion 21 outside cover is equipped with supplementary section of thick bamboo 3, and the outer wall and the intercommunicating pore 11 inner wall butt of supplementary section of thick bamboo 3, the inner wall of supplementary section of thick bamboo 3 and the outer wall fixed connection of connecting portion 21, the end fixedly connected with auxiliary disc 6 that supplementary section of thick bamboo 3 is close to injection portion 22, and auxiliary disc 6 one side and injection portion 22 butt, opposite side and 1 butt of cutting head, auxiliary disc 6 chooseing for use the auxiliary disc 6 that iron made, and supplementary section of thick bamboo 3 is the supplementary section of thick bamboo 3 of steel material. The expansion degree of the auxiliary cylinder 3 after being heated is lower than that of the connection portion 21, so that the connection portion 21 of the nozzle 2 can be restrained, and the nozzle 2 can be more easily pulled out of the communication hole 11 after being heated again.

Referring to fig. 1-3, the circumferential side wall of the auxiliary cylinder 3 is provided with four auxiliary holes 31, and the axes of the four auxiliary holes 31 are coplanar and perpendicular to the axis of the connecting portion 21. The axes of the four auxiliary holes 31 form a cross-like pattern. The connecting portion 21 is provided with supplementary sunken 32 with the position department that every auxiliary hole 31 corresponds, and supplementary sunken 32 cross-section is square setting, and supplementary sunken 32's bottom fixedly connected with assists magnetite 33, and supplementary magnetite 33 chooses for use strong magnet as supplementary magnetite 33. Inserting holes 34 are formed in the positions, corresponding to the auxiliary holes 31, of the inner walls of the connecting holes, the axial lines of the inserting holes 34 are collinear with the axial lines of the corresponding auxiliary holes 31, and the ends, far away from the auxiliary holes 31, of the inserting holes 34 penetrate through the cutting head 1; each inserting rod 4 is inserted into each inserting hole 34, and each inserting rod 4 is made of iron materials; every peg 4 runs through and inserts corresponding supplementary sunken 32 behind corresponding peg 34 and the auxiliary hole 31, every peg 4 inserts the supplementary magnetite 33 butt that corresponds in the supplementary sunken 32 that corresponds back and corresponds, every peg 4 is kept away from the one end of the supplementary magnetite 33 that corresponds and all is located the cutting head 1 outside, every peg 4 is located fixedly connected with auxiliary rod 41 on the end in cutting head 1 outside, auxiliary rod 41 is perpendicular to peg 4, the terminal surface size of auxiliary rod 41 equals with peg 4's terminal surface size.

Referring to fig. 1 to 3, a plurality of friction increasing balls 311 are embedded on the inner wall of the auxiliary hole 31, and each friction increasing ball 311 is made of a high temperature resistant rubber material. The friction increasing balls 311 are in an annular array, and each friction increasing ball 311 abuts against the circumferential side wall of the insertion rod 4. Through a plurality of frictional force that increase between ball 311 and the inserted link 4 for inserted link 4 can be more stable fix in supplementary hole 31, thereby make the fixed effect between inserted link 4 and the supplementary magnetite 33 obtain promoting, and then improved inserted link 4 to the fixed effect of nozzle 2, further improvement the stability of nozzle 2 after inserted link 4 is fixed.

Referring to fig. 1-3, a forcing groove 5 is formed at the position where the cutting head 1 abuts against the jetting part 22, the end of the forcing groove 5 far away from the jetting part 22 penetrates through the surface where the cutting head 1 abuts against the jetting part 22, the width of the forcing groove 5 is equal to the width of the insertion rod 4, the depth of the forcing groove 5 is equal to the width of the insertion rod 4, and the length of the forcing groove 5 is shorter than the length of the insertion rod 4. The forced groove 5 is arranged to enable a worker to take one of the plug-in bars 4 to be inserted into the forced groove 5 after all the plug-in bars 4 are pulled out, and then pry the nozzle 2 out of the communication hole 11 in a lever mode, so that convenience is further provided for the worker to replace the nozzle 2.

One specific application of this embodiment is:

when installing nozzle 2, the workman inserts nozzle 2 in the intercommunicating pore 11, and then aim at spliced eye 34 with four auxiliary holes 31 one by one, then, the workman inserts spliced pole 4 one by one in spliced eye 34, when spliced eye 34 runs through auxiliary hole 31, increase friction ball 311 receives the extrusion and takes place elastic deformation, spliced eye 34 inserts and supports with supplementary magnetite 33 after supplementary sunken 32 in, supplementary magnetite 33 attracts spliced pole 4, four spliced poles 4 are all inserted the back, the relative position of nozzle 2 and cutting head 1 is fixed, accomplish the installation of nozzle 2.

When the nozzle 2 needs to be disassembled, a worker holds the auxiliary rod 41 to directly pull out the insertion rods 4, after the four insertion rods 4 are pulled out, the worker selects the auxiliary rod 41 on one insertion rod 4 to put into the forced groove 5, then, the auxiliary rod 41 is deeply inserted into the lower part of the auxiliary disc 6, and the nozzle 2 is pried out of the communication hole 11 by taking the connecting position between the auxiliary rod 41 and the insertion rod 4 as a fulcrum. Then, the worker holds the pryed portion of the nozzle 2 and pulls out the nozzle 2 from the communication hole 11. In sum, through the steps, the effect of convenient disassembly after the nozzle 2 is heated and expanded is achieved.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.

Claims

1. A laser cutting machine nozzle, includes nozzle (2) installed on cutting head (1) through communicating hole (11), its characterized in that: the nozzle (2) is divided into a conical spraying part (22) and a cylindrical connecting part (21), the connecting part (21) is positioned in the communicating hole (11), and the spraying part (22) is positioned outside the communicating hole (11); an auxiliary barrel (3) is sleeved on the outer side of the connecting part (21), the outer wall of the auxiliary barrel (3) is abutted to the inner wall of the communicating hole (11), the inner wall of the auxiliary barrel (3) is fixedly connected with the outer wall of the connecting part (21), auxiliary holes (31) are formed in the circumferential side wall of the auxiliary barrel (3), the number of the auxiliary holes (31) is four, and the axes of the four auxiliary holes (31) are coplanar; auxiliary depressions (32) are arranged at positions of the connecting part (21) corresponding to the auxiliary holes (31), the cross sections of the auxiliary depressions (32) are arranged in a square shape, auxiliary magnets (33) are fixedly connected to the bottoms of the auxiliary depressions (32), insertion holes (34) are formed in positions of the inner wall of the connecting hole corresponding to the auxiliary holes (31), the axes of the insertion holes (34) are collinear with the axes of the corresponding auxiliary holes (31), and the ends, far away from the auxiliary holes (31), of the insertion holes (34) penetrate through the cutting head (1); each inserting-connecting hole (34) is inserted with an inserting-connecting rod (4), and the inserting-connecting rod (4) is made of iron materials; each plug rod (4) penetrates through the corresponding plug hole (34) and the corresponding auxiliary hole (31) and then is inserted into the corresponding auxiliary recess (32), each plug rod (4) is inserted into the corresponding auxiliary recess (32) and then abuts against the corresponding auxiliary magnet (33), and one end, far away from the corresponding auxiliary magnet (33), of each plug rod (4) is located on the outer side of the cutting head (1).

2. The laser cutting machine nozzle according to claim 1, characterized in that: a plurality of friction increasing balls (311) are embedded on the inner wall of the auxiliary hole (31), the friction increasing balls (311) are in an annular array, and each friction increasing ball (311) abuts against the circumferential side wall of the insertion rod (4).

3. The laser cutting machine nozzle according to claim 2, characterized in that: each friction increasing ball (311) is made of high-temperature resistant rubber materials.

4. The laser cutting machine nozzle according to claim 1, characterized in that: each insertion rod (4) is fixedly connected with an auxiliary rod (41) on the end head positioned on the outer side of the cutting head (1), the auxiliary rod (41) is perpendicular to the insertion rod (4), and the end face size of the auxiliary rod (41) is equal to that of the insertion rod (4).

5. The laser cutting machine nozzle according to claim 2, characterized in that: the cutting head is characterized in that a forced groove (5) is formed in the position, abutted against the ejection part (22), of the cutting head (1), the end, far away from the ejection part (22), of the forced groove (5) penetrates through the abutted face of the cutting head (1) and the ejection part (22), the width of the forced groove (5) is equal to that of the insertion rod (4), the depth of the forced groove (5) is equal to that of the insertion rod (4), and the length of the forced groove (5) is shorter than that of the insertion rod (4).

6. The laser cutting machine nozzle according to claim 1, characterized in that: the end fixedly connected with auxiliary disc (6) that auxiliary cylinder (3) are close to injection portion (22), auxiliary disc (6) one side and injection portion (22) butt, the opposite side and cutting head (1) butt, auxiliary disc (6) that auxiliary disc (6) chooseed iron and made for use.