CN217859479U

CN217859479U - Anti-splashing laser welding copper nozzle

Info

Publication number: CN217859479U
Application number: CN202221937026.5U
Authority: CN
Inventors: 胡中伟; 胡献中; 杨乾国
Original assignee: Henan Kempson Laser Technology Co ltd
Current assignee: Henan Kempson Laser Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-22
Anticipated expiration: 2032-07-26

Abstract

The utility model provides an anti-splashing laser welding copper nozzle, the copper nozzle is hollow cylinder shape, one end of the copper nozzle is connected with a welding gun, a baffle is embedded in the copper nozzle, a first through hole is arranged at the center position of the surface of the baffle, a second through hole and a third through hole are arranged on the surface of the baffle, a plurality of second through holes and a plurality of third through holes are arranged around the first through hole; the aperture of the second through hole and the aperture of the third through hole are smaller than the first through hole, the second through hole and the third through hole are inclined holes and incline towards the inner wall direction of the copper nozzle, and the inclination directions of the second through hole and the third through hole are opposite. The protective gas passes through the second through hole and the third through hole and is output in a spiral shape, vortex airflow is formed, fine particles are effectively prevented from entering, and the lens is protected and the service life of the lens is prolonged.

Description

Anti-splashing laser welding copper nozzle

Technical Field

The utility model relates to a welding machine technical field especially relates to a prevent laser welding copper nozzle that splashes.

Background

The conventional laser welding copper nozzle is of a hollow cylindrical structure (CN 211490047U) or a U-shaped opening (CN 216912499U) is formed in one end of a cylindrical copper nozzle tube, so that splashes easily enter the laser welding copper nozzle during welding operation and damage protective lenses. It is therefore desirable to design a splash-proof laser welding copper nozzle that avoids damage to the protective lens.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an avoid the protection lens damage, prolong protection lens life's laser welding copper mouth of preventing splashing.

The technical scheme of the utility model is realized like this: the utility model provides an anti-splashing laser welding copper nozzle, which is hollow cylindrical, one end of the copper nozzle is connected with a welding gun, a baffle is embedded in the copper nozzle, a first through hole is arranged at the central position of the surface of the baffle, a second through hole and a third through hole are also arranged on the surface of the baffle, a plurality of second through holes and a plurality of third through holes are arranged around the first through hole; the aperture of the second through hole and the aperture of the third through hole are smaller than that of the first through hole, the second through hole and the third through hole are inclined holes and incline towards the inner wall direction of the copper nozzle, the inclination directions of the second through hole and the third through hole are opposite, and the protective gas passes through the second through hole and the third through hole and is output in a spiral shape to form vortex airflow.

On the basis of the technical scheme, preferably, the axes of the second through hole and the third through hole and the axis of the copper nozzle are 10-40 degrees.

On the basis of the above technical solution, preferably, the plurality of second through holes and the plurality of third through holes are axially arranged on the surface of the baffle, and the plurality of second through holes and the plurality of third through holes are arranged at intervals.

On the basis of the above technical solution, preferably, the plurality of second through holes and the plurality of third through holes are respectively arranged in a linear shape and located on two opposite sides of the first through hole.

On the basis of the above technical solution, preferably, the plurality of second through holes are all inclined to the direction of the third through hole, and the plurality of third through holes are all inclined to the direction of the second through hole.

On the basis of the above technical scheme, preferably, the cross section of the first through hole is oblong, and the second through hole and the third through hole are respectively located on two sides of the first through hole along the length direction of the first through hole.

On the basis of the technical scheme, the baffle is preferably positioned at one end, close to the welding gun, of the copper nozzle, the inner diameter of the copper nozzle is gradually reduced, and the inner diameter of the copper nozzle, close to one end of the welding gun, is larger.

On the basis of the technical scheme, preferably, the outer part of one end, close to the welding gun, of the copper nozzle is provided with an external thread, and the copper nozzle is in threaded connection with the welding gun through the external thread.

On the basis of above technical scheme, it is preferred, the one end that welder was kept away from to the copper nozzle is equipped with the bulge, the bulge is equipped with the welding wire and perforates, the welding wire is perforated and is set up in the copper nozzle outer wall, the welding wire perforation sets up to copper nozzle axis direction slope.

The utility model discloses a laser welding copper nozzle that prevents splashing has following beneficial effect for prior art: the baffle is added to the welding copper nozzle, the first through hole in the middle of the baffle reduces the aperture of the laser through hole, and large-particle splashes are effectively prevented from entering the laser through hole; a plurality of second through-holes and third through-hole incline to opposite direction, and when protective gas passed second through-hole and third through-hole, be spiral whirlwind form output, effectively blocked the entering of tiny particulate matter, first through-hole, second through-hole and third through-hole have played the effect of duplicate protection lens, have prolonged the life of protection lens.

Drawings

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

Fig. 1 is a perspective view of the anti-spatter laser welding copper nozzle of the present invention;

fig. 2 is a front view of the anti-spatter laser welding copper nozzle of the present invention;

FIG. 3 is a cross-sectional view taken along direction A of FIG. 2;

FIG. 4 is a cross-sectional view taken along direction B of FIG. 2;

FIG. 5 is a cross-sectional view taken along line C of FIG. 2;

FIG. 6 is a front view of a splash-proof laser welded copper nozzle according to an embodiment;

FIG. 7 is a front view of a laser welded copper nozzle of an embodiment that is resistant to splattering;

fig. 8 is the utility model discloses the result of use picture of the laser welding copper nozzle that prevents splashing.

In the figure, 1-copper nozzle, 2-baffle, 3-first through hole, 4-second through hole, 5-third through hole, 6-external thread, 7-bulge, 8-welding wire perforation and 9-protective lens.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 all belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper end", "lower end", "tail end", "left and right", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more

As shown in fig. 1, with reference to fig. 2-8, the copper nozzle 1 of the present invention is installed on the head of the welding gun for protecting the head of the welding gun. The copper nozzle 1 is hollow and cylindrical, one end of the copper nozzle 1 is connected with a welding gun, a baffle 2 is embedded in the copper nozzle 1, and a first through hole 3 is formed in the center of the surface of the baffle 2 and used for allowing laser and protective gas to pass through and playing a role in blocking large-particle splashes from entering; the surface of the baffle 2 is also provided with a plurality of second through holes 4 and a plurality of third through holes 5, and the plurality of second through holes 4 and the plurality of third through holes 5 are arranged around the first through hole 3; the aperture of second through-hole 4 and third through-hole 5 all is less than first through-hole 3, and second through-hole 4 and third through-hole 5 are the inclined hole, and all inclines to the inner wall direction of copper mouth 1, and the incline direction of second through-hole 4 and third through-hole 5 is opposite, and protective gas is the heliciform output when passing second through-hole 4 and third through-hole 5, forms the swirl air current, has effectively blocked the entering of fine particles.

In a specific embodiment, in order to form the swirling air flow, the axes of the second through hole 4 and the third through hole 5 are 10-40 degrees, preferably 15 degrees with the axis of the copper nozzle 1.

In a specific embodiment, the second through holes 4 and the third through holes 5 are arranged in various ways, and may be arranged in a ring shape or a line shape, and the second through holes 4 and the third through holes 5 may be arranged at intervals or separately.

In the first embodiment, as shown in fig. 6, three second through holes 4 and three third through holes 5 are axially disposed on the surface of the baffle plate 2, and the plurality of second through holes 4 and the plurality of third through holes 5 are disposed at intervals.

In the second embodiment, as shown in fig. 2-4, three second through holes 4 and three third through holes 5 are respectively arranged in a linear shape and are located on two opposite sides of the first through hole 3.

In a specific embodiment, the inclination angles of the second through hole 4 and the third through hole 5 are diversified, and the second through hole 4 and the third through hole 5 can be inclined towards the axis direction of the copper nozzle or the inner wall direction of the copper nozzle, and the inclination directions of the second through hole 4 and the third through hole 5 are determined to be opposite to each other no matter how the inclination angles are inclined.

In the third embodiment, as shown in fig. 7, three second through holes 4 are arranged in a linear manner and located at one side of the first through hole 3, and three third through holes 5 are arranged in a linear manner and located at one side of the first through hole 3 away from the second through hole 4; the second through hole 4 is inclined toward the third through hole 5, and the third through hole 5 is inclined toward the second through hole 4.

In a specific embodiment, the cross section of the first through hole 3 is an oblong, the second through hole 4 and the third through hole 5 are respectively located on two sides of the first through hole 3 along the length direction thereof, and the oblong first through hole 3 can increase the flow rate of the shielding gas.

In a specific embodiment, the baffle 2 is positioned at one end of the copper nozzle 1 close to the welding gun, so that the lens can be better protected; the internal diameter of the copper nozzle 1 is gradually reduced, the internal diameter of the copper nozzle 1 close to one end of the welding gun is larger, the impact force generated when the protective gas passes through the copper nozzle is increased, the copper nozzle is prevented from adhering welding slag, and meanwhile, the welding slag is prevented from entering the copper nozzle 1.

In a specific embodiment, an external thread 6 is arranged on the outer portion of one end, close to the welding gun, of the copper nozzle 1, and the copper nozzle 1 is in threaded connection with the welding gun through the external thread 6.

In a specific embodiment, a protruding portion 7 is arranged at one end, away from a welding gun, of the copper nozzle 1, the protruding portion 7 is located outside the copper nozzle 1 and is provided with a welding wire through hole 8 for a welding wire to pass through, and the welding wire through hole 8 is obliquely arranged towards the axis direction of the copper nozzle 1, so that welding is facilitated.

The principle of the utility model is that: copper nozzle 1 threaded mounting is in the rifle head of welder, laser passes from first through-hole 3 of copper nozzle 1, shielding gas partly passes from first through-hole 3, partly pass from second through-hole 4 and third through-hole 5 in addition, because second through-hole 4 and third through-hole 5 slope to opposite direction, make shielding gas pass second through-hole 4 and third through-hole 5 back, at the inside vortex air current that forms of copper nozzle 1, avoid tiny particulate matter to get into inside the welder, damage protection lens 9, the life of protection lens 9 has effectively been prolonged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent laser welding copper mouth that splashes, copper mouth (1) are cylindric for the cavity, and the one end and the welder of copper mouth (1) are connected its characterized in that: a baffle (2) is embedded in the copper nozzle (1), a first through hole (3) is formed in the center of the surface of the baffle (2), a plurality of second through holes (4) and a plurality of third through holes (5) are formed in the surface of the baffle (2), and the plurality of second through holes (4) and the plurality of third through holes (5) are formed around the first through hole (3); the aperture of the second through hole (4) and the aperture of the third through hole (5) are smaller than the first through hole (3), the second through hole (4) and the third through hole (5) are inclined holes and incline towards the inner wall direction of the copper nozzle (1), the inclination directions of the second through hole (4) and the third through hole (5) are opposite, and protective gas passes through the second through hole (4) and the third through hole (5) to be output in a spiral shape to form vortex airflow.

2. The splattering-resistant laser-welded copper nozzle according to claim 1, characterized in that: the axes of the second through hole (4) and the third through hole (5) and the axis of the copper nozzle (1) are 10-40 degrees.

3. The splattering-resistant laser-welded copper nozzle according to claim 1, characterized in that: the second through holes (4) and the third through holes (5) are axially arranged on the surface of the baffle (2), and the second through holes (4) and the third through holes (5) are arranged at intervals.

4. The splattering-resistant laser-welded copper nozzle according to claim 1, characterized in that: the second through holes (4) and the third through holes (5) are respectively arranged in a linear shape and are positioned on two opposite sides of the first through holes (3).

5. The splattering-preventing laser-welded copper nozzle of claim 4, wherein: the second through holes (4) are inclined towards the third through holes (5), and the third through holes (5) are inclined towards the second through holes (4).

6. The splattering-resistant laser-welded copper nozzle according to claim 4, wherein: the cross section of the first through hole (3) is oblong, and the second through hole (4) and the third through hole (5) are respectively positioned at two sides of the first through hole (3) along the length direction of the first through hole.

7. The splattering-resistant laser-welded copper nozzle according to claim 1, characterized in that: baffle (2) are located copper mouth (1) and are close to the one end of welder, copper mouth (1) internal diameter diminishes gradually, and copper mouth (1) internal diameter that is close to welder one end is great.

8. The splattering-preventing laser-welded copper nozzle of claim 1, wherein: the welding gun is characterized in that an external thread (6) is arranged on the outer portion, close to one end of the welding gun, of the copper nozzle (1), and the copper nozzle (1) is connected with the welding gun through the external thread (6).

9. The splattering-resistant laser-welded copper nozzle according to claim 1, characterized in that: copper mouth (1) keep away from welder's one end and be equipped with bulge (7), the bulge is equipped with welding wire perforation (8), welding wire perforation (8) set up in copper mouth (1) outer wall, welding wire perforation (8) set up to copper mouth (1) axis direction slope.