CN218169067U - Handheld laser welding head laser emitting assembly - Google Patents
Handheld laser welding head laser emitting assembly Download PDFInfo
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- CN218169067U CN218169067U CN202221371403.3U CN202221371403U CN218169067U CN 218169067 U CN218169067 U CN 218169067U CN 202221371403 U CN202221371403 U CN 202221371403U CN 218169067 U CN218169067 U CN 218169067U
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- laser welding
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Abstract
The utility model discloses a hand-held laser welding head laser emitting component, which comprises a nozzle and a nozzle seat, and also comprises a telescopic pipe used for connecting the nozzle and the nozzle seat, and a connecting pipe used for connecting the nozzle seat and a hand-held laser welding head laser emitting part and protecting a hand-held laser welding head focusing protective lens; the telescopic pipe and the connecting pipe are respectively a stepped metal pipe with a large pipe diameter at one end and a small pipe diameter at one end, the large pipe diameter end of the telescopic pipe is correspondingly connected with the nozzle, the small pipe diameter end is correspondingly connected with the nozzle seat, the large pipe diameter end of the connecting pipe is correspondingly connected with the laser emitting part of the handheld laser welding head, and the small pipe diameter end is correspondingly connected with the nozzle seat. The utility model has the advantages that: different welding condition requirements can be met; the pollution of the return air flow (namely smoke dust) entering the welding head to the focusing protective lens can be effectively slowed down or reduced, and the light output power is reduced or the protective lens is damaged.
Description
Technical Field
The utility model relates to a hand-held type laser welder head field, specific saying so relates to a hand-held type laser welder head laser outgoing subassembly.
Background
The nozzle, the nozzle holder and the laser emitting part of the conventional hand-held laser welding head are usually directly communicated, and the connecting mode usually has the following problems: (1) The distance between the nozzle and the nozzle seat is fixed and nonadjustable, and the device can not be suitable for various different welding working condition requirements; (2) In the welding process, when the protective gas is blown too little or no gas is blown, smoke dust enters the handheld laser welding head through the nozzle and quickly contacts with the focusing protective lens in the laser emitting part of the handheld laser welding head, so that the focusing protective lens is polluted, and the light emitting efficiency is reduced or the protective lens is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hand-held type laser welder head laser outgoing subassembly for solve the problem among the background art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hand-held laser welding head laser emitting assembly comprises a nozzle, a nozzle seat, a telescopic pipe used for connecting the nozzle and the nozzle seat, and a connecting pipe used for connecting the nozzle seat and a hand-held laser welding head laser emitting part and protecting a focusing protective lens of the hand-held laser welding head;
the telescopic pipe and the connecting pipe are respectively a stepped metal pipe with a large pipe diameter at one end and a small pipe diameter at the other end, the large pipe diameter end of the telescopic pipe is correspondingly connected with the nozzle, the small pipe diameter end of the telescopic pipe is correspondingly connected with the nozzle seat, the large pipe diameter end of the connecting pipe is correspondingly connected with the laser emergent part of the handheld laser welding head, and the small pipe diameter end of the connecting pipe is correspondingly connected with the nozzle seat.
Furthermore, the large-diameter end of the telescopic pipe is correspondingly in threaded fit connection with the nozzle, and the small-diameter end of the telescopic pipe is correspondingly in locked fit connection with the nozzle holder through a spring locking piece;
the large-diameter end of the connecting pipe is correspondingly matched with the laser emitting part of the handheld laser welding head in an inserted manner, and the small-diameter end of the connecting pipe is correspondingly connected with the nozzle base in a threaded fit manner.
Further, spring locking piece contains spring locking mouth and spring locking cap, spring locking mouth cover is established flexible pipe is close to one of nozzle holder and serves, and spring locking mouth one end is inserted and is established in the nozzle holder, and the other end exposes and establishes outside the nozzle holder, spring locking cap one end activity cover is established spring locking mouth, other end thread bush are established on the nozzle holder.
Further, the nozzle seat further comprises an isolation and heat insulation pad, and the isolation and heat insulation pad is movably sleeved on one end, close to the connecting pipe, of the nozzle seat.
Furthermore, a plurality of first screw holes are formed in one end, close to the connecting pipe, of the nozzle seat; a plurality of second screw holes are formed in the isolation and heat insulation pad, and each first screw hole is aligned with one corresponding second screw hole.
Further, an electrode conduction gap is further formed in the isolation and heat insulation pad and used for penetrating and communicating the nozzle seat with a conducting electrode of the laser generator.
Compared with the prior art, the utility model has the advantages that: (1) The nozzle is communicated with the nozzle seat by adopting the telescopic pipe, so that the distance between the nozzle and the nozzle seat can be well adjusted, and different welding working condition requirements are met; (2) The inner pipe walls of the telescopic pipe and the connecting pipe are designed in a stepped manner, the wall attachment effect characteristic is well utilized, the pollution of backflow airflow (namely smoke dust) entering the welding head to a focusing protective lens positioned in a laser emergent part of the welding head is slowed down or reduced, and the problems of light-emitting power reduction or protective lens damage and the like are effectively avoided.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is a schematic diagram of the explosion structure of the present invention;
FIG. 3 is a top view of FIG. 1;
FIG. 4 isbase:Sub>A sectional view A-A of FIG. 3;
fig. 5 is a schematic view showing the flow of the mainstream gas and the backflow gas inside the handheld laser welding head laser emitting group when the handheld laser welding head laser emitting group of the present invention is in use;
fig. 6 shows an exemplary application of the laser emitting assembly of the handheld laser welding head of the present invention;
FIG. 7 is a cross-sectional view of FIG. 6;
description of the reference numerals: 1. a nozzle; 2. a telescopic pipe; 3. a spring locking member; 4. a nozzle holder; 5. a connecting pipe; 6. an insulating mat; 7. a first screw hole; 8. a second screw hole; 9. an electrode conduction gap; 10. a laser emitting part of the handheld laser welding head; 11. a hand-held laser welding head focusing protective lens;
in FIG. 5: the solid arrow line indicates the main flow direction (i.e., laser emission direction), and the dotted arrow line indicates the return flow direction (i.e., return gas);
in fig. 7: the dotted arrow line indicates the laser emission direction, and the dotted arrow line indicates the shielding gas emission direction.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 4, the laser emitting assembly of the handheld laser welding head provided by the present invention comprises a nozzle 1, a nozzle holder 4, a telescopic pipe 2 for connecting the nozzle 1 and the nozzle holder 4, and a connecting pipe 5 for connecting the nozzle holder 4 and a laser emitting portion 10 of the handheld laser welding head and protecting a focusing protection mirror 11 of the handheld laser welding head; the telescopic pipe 2 and the connecting pipe 5 are respectively a stepped metal pipe with a large pipe diameter at one end and a small pipe diameter at the other end, the large pipe diameter end of the telescopic pipe 2 is correspondingly connected with the nozzle 1, the small pipe diameter end is correspondingly connected with the nozzle seat 4, the large pipe diameter end of the connecting pipe 5 is correspondingly connected with the laser emitting part of the handheld laser welding head, and the small pipe diameter end is correspondingly connected with the nozzle seat 4.
The utility model discloses in, it is big to set flexible pipe 2 and connecting pipe 5 one end pipe diameter, the cascaded tubular metal resonator structure that the one end pipe diameter is little, its purpose utilizes the wall effect (also called the coanda effect or coanda effect), let the backward flow air current (being the smoke and dust) in flexible pipe 2 and the connecting pipe 5 flow along with the pipe wall, to prevent that it from causing the influence and causing the pollution to focusing protective glass 11 to mainstream air current (being the protective gas), and then influence protective glass luminous power, lead to welding quality to descend.
As an embodiment of the present invention: referring to fig. 1 to 7, the large-diameter end of the telescopic pipe 2 is connected with the nozzle 1 in a threaded fit manner, and the small-diameter end is connected with the nozzle holder 4 in a locking fit manner through a spring locking piece 3; the large-diameter end of the connecting pipe 5 is correspondingly connected with the laser emitting part 10 of the handheld laser welding head in a plug-in matching mode, and the small-diameter end of the connecting pipe is correspondingly connected with the nozzle seat 4 in a thread matching mode; the telescopic pipe 2 can be retracted back and forth in the nozzle holder 4 according to actual needs to meet different welding work requirements, and the size and length of the connecting pipe 5 can be selected according to actual needs, so that pollution of dirt doped in backflow airflow (namely smoke generated by welding) to the focusing protective lens 11 is reduced, and the light output power is reduced.
As an embodiment of the present invention: referring to fig. 1 to 7, the spring locking member 3 includes a spring locking mouth 3.1 and a spring locking cap 3.2; wherein, the spring locking nozzle 3.1 is sleeved on one end of the telescopic pipe 2 close to the nozzle seat 4, one end is inserted in the nozzle seat 4, the other end is exposed out of the nozzle seat 4, one end of the spring locking cap 3.2 is movably sleeved on the spring locking nozzle 3.1, and the other end is sleeved on the nozzle seat 4 by screw thread; the spring locking piece 3 is used for facilitating the quick combination or the quick disassembly of the telescopic pipe 2 and the nozzle holder 4.
As an embodiment of the present invention: referring to fig. 1 to 7, an insulating pad 6 is further included, and the insulating pad 6 is movably sleeved on an end of the nozzle holder 4 close to the connecting pipe 5.
As an embodiment of the present invention: referring to fig. 1 and 2, a plurality of first screw holes 7 are further formed at one end of the nozzle holder 4 close to the connecting pipe 5; a plurality of second screw holes 8 are also formed in the insulating pad 6, and each first screw hole 7 is aligned with one second screw hole 8 correspondingly; the first screw hole 7 and the second screw hole 8 are formed to fix the nozzle holder 4 and the insulating spacer 6 to the laser emitting part 10 of the handheld laser welding head by screws.
As an embodiment of the present invention: referring to fig. 2, an electrode conduction gap 9 is further formed on the insulating pad 6, and the electrode conduction gap 9 is used for penetrating an electric contact electrode (not shown) for connecting the nozzle holder 4 and the laser generator.
Finally, the above description is only the embodiments of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a hand-held type laser welding head laser outgoing assembly, contains nozzle (1) and nozzle holder (4), its characterized in that: the device also comprises a telescopic pipe (2) used for connecting the nozzle (1) and the nozzle seat (4) and a connecting pipe (5) used for connecting the nozzle seat (4) and the laser emitting part of the handheld laser welding head and protecting the focusing protective lens of the handheld laser welding head;
the telescopic pipe (2) and the connecting pipe (5) are respectively a stepped metal pipe with a large pipe diameter at one end and a small pipe diameter at one end, the large pipe diameter end of the telescopic pipe (2) is correspondingly connected with the nozzle (1), the small pipe diameter end is correspondingly connected with the nozzle seat (4), the large pipe diameter end of the connecting pipe (5) is correspondingly connected with the laser emitting part of the handheld laser welding head, and the small pipe diameter end is correspondingly connected with the nozzle seat (4).
2. The hand-held laser welding head laser exit assembly of claim 1 wherein: the large-diameter end of the telescopic pipe (2) is correspondingly in threaded fit connection with the nozzle (1), and the small-diameter end of the telescopic pipe is correspondingly in locking fit connection with the nozzle seat (4) through a spring locking piece (3);
the large-diameter end of the connecting pipe (5) is correspondingly matched with the laser emitting part of the handheld laser welding head in an inserting manner, and the small-diameter end of the connecting pipe is correspondingly connected with the nozzle seat (4) in a threaded fit manner.
3. The hand-held laser welding head laser exit assembly of claim 2 wherein: spring locking piece (3) contain spring locking mouth (3.1) and spring locking cap (3.2), spring locking mouth (3.1) cover is established one of flexible pipe (2) near nozzle holder (4) is served, and spring locking mouth (3.1) one end is inserted and is established in nozzle holder (4), and the other end dew is established outside nozzle holder (4), spring locking cap (3.2) one end activity cover is established spring locking mouth (3.1), other end thread bush is established nozzle holder (4) are last.
4. The hand-held laser welding head laser emitting assembly of claim 1, wherein: the nozzle seat structure further comprises an isolation and heat insulation pad (6), and the isolation and heat insulation pad (6) is movably sleeved on one end, close to the connecting pipe (5), of the nozzle seat (4).
5. The hand-held laser welding head laser exit assembly of claim 4 wherein: a plurality of first screw holes (7) are formed in one end, close to the connecting pipe (5), of the nozzle seat (4); a plurality of second screw holes (8) are also formed in the isolation and heat insulation pad (6), and each first screw hole (7) is correspondingly aligned with one second screw hole (8).
6. The hand-held laser welding head laser exit assembly of claim 5 wherein: an electrode conduction gap (9) is further formed in the isolation heat insulation pad (6), and the electrode conduction gap (9) is used for penetrating and communicating the nozzle seat (4) and a contact electrode of the laser generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221371403.3U CN218169067U (en) | 2022-06-02 | 2022-06-02 | Handheld laser welding head laser emitting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221371403.3U CN218169067U (en) | 2022-06-02 | 2022-06-02 | Handheld laser welding head laser emitting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218169067U true CN218169067U (en) | 2022-12-30 |
Family
ID=84609797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221371403.3U Active CN218169067U (en) | 2022-06-02 | 2022-06-02 | Handheld laser welding head laser emitting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218169067U (en) |
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2022
- 2022-06-02 CN CN202221371403.3U patent/CN218169067U/en active Active
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