CN211564883U - Hand-held type laser welding head - Google Patents
Hand-held type laser welding head Download PDFInfo
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- CN211564883U CN211564883U CN201922174255.0U CN201922174255U CN211564883U CN 211564883 U CN211564883 U CN 211564883U CN 201922174255 U CN201922174255 U CN 201922174255U CN 211564883 U CN211564883 U CN 211564883U
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Abstract
The utility model provides a hand-held type laser welding head, including optical fiber splice, laser incident portion, the adapter, laser outgoing portion and speculum, optical fiber splice connects laser incident portion, inside laser incident channel and the laser outgoing passageway of being provided with respectively of laser incident portion and laser outgoing portion, the inside cavity of adapter, laser incident portion, adapter and laser outgoing portion communicate in proper order, the speculum is fixed at the adapter inner wall, laser jets out through the laser outgoing passageway in optical fiber splice gets into laser incident passageway and after the speculum reflection, be provided with the heat dissipation tooth on the adapter outer wall. The utility model discloses simple structure, convenient operation safety, it is effectual to weld.
Description
Technical Field
The utility model relates to a laser welding technical field especially relates to a hand-held type laser welder head.
Background
Laser welding is a laser processing technology widely applied to various industries, such as aerospace, automobile manufacturing, home decoration and the like, but most of the existing common laser welding devices have the defects that the existing common laser welding devices are offline laser welding, namely, the welding devices are required to be arranged on a workbench for operation, and the welding devices are inconvenient to move, so that the application of the laser welding technology in the aspects of online processing, online maintenance, online rescue and the like is limited.
At present, a handheld laser welding head also appears in the market, the handheld laser welding head comprises an optical fiber connector, a focusing assembly and a laser emitting assembly, a laser generator is connected with the optical fiber connector, and laser is emitted out through the laser emitting assembly after being focused by the focusing assembly. However, the laser incident direction and the laser emitting direction of the above handheld laser welding head are in a straight line, which is inconvenient to extend into the corner of the object to be welded for welding and is inconvenient to grasp. Aiming at the problems, the laser welding machine is further improved in design, a laser incidence part and a laser emitting part which are arranged to form a certain included angle are arranged, a reflector is arranged at the connecting part of the laser incidence part and the laser emitting part, laser enters the laser incidence part through an optical fiber connector, is emitted from the laser emitting part after being reflected by the reflector, and is used for welding workpieces. Therefore, the handheld laser welding head is integrally bent, can extend into a corner part for welding, and is convenient to grasp. However, practical use shows that the reflector part easily absorbs laser heat and conducts high temperature to the laser incident part of the handheld part, so that protective gloves must be worn after long-term use, otherwise, the high temperature easily scalds hands.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hand-held type laser welding head prevents that the heat from scalding the staff in speculum department gathering.
The technical scheme of the utility model is realized like this: the utility model provides a hand-held type laser welder head, including optical fiber splice, laser incident portion, adapter, laser outgoing portion and speculum, optical fiber splice connects laser incident portion, laser incident portion and laser outgoing portion are inside to be provided with laser incident channel and laser outgoing channel respectively, the inside cavity of adapter, laser incident portion, adapter and laser outgoing portion communicate in proper order, the speculum is fixed at the adapter inner wall, and laser jets out through the laser outgoing channel in optical fiber splice gets into laser incident channel and through the speculum reflection back, be provided with the heat dissipation tooth on the adapter outer wall.
On the basis of above technical scheme, it is preferred, the adapter still includes return bend and apron, the return bend both ends communicate with laser incident portion and laser outgoing portion respectively, the return bend corner is provided with the opening, the detachable lid of apron is established at the opening part, the speculum is fixed at the apron inboardly, the apron outside is provided with the heat dissipation tooth.
Further, preferably, the cover plate is connected to the elbow by bolts.
On the basis of the above technical solution, preferably, the handheld laser welding head further includes an annular connecting seat and a nozzle, the annular connecting seat is communicated and fixed with the laser emitting portion, and the nozzle passes through the annular connecting seat and is connected with the annular connecting seat in a sliding manner.
Furthermore, preferably, the handheld laser welding head further comprises a positioning bolt, a through hole is formed in the side wall of the annular connecting seat, the positioning bolt penetrates through the through hole and is in threaded connection with the annular connecting seat, and the end of the positioning bolt abuts against the nozzle.
On the basis of the above technical solution, preferably, the handheld laser welding head further includes a handle, the handle and the laser incident portion are arranged side by side and fixed, at least two water passing ports are provided at one end of the handle, at least two cooling water channels are provided inside the handle, the at least two water passing ports are respectively communicated with the at least two cooling water channels, and the ends of the at least two cooling water channels far away from the water passing ports are communicated with each other.
Furthermore, preferably, an air inlet is further formed in one end of the handle, an air inlet channel is further formed in the handle, one end of the air inlet channel is communicated with the air inlet, the other end of the air inlet channel is communicated with the laser emitting channel, and protective gas enters from the air inlet, penetrates through the air inlet channel, blows to the laser emitting channel and then is sprayed out.
On the basis of the above technical scheme, preferably, a switch button is arranged on the side wall of the handle.
The utility model discloses a hand-held type laser welder head has following beneficial effect for prior art:
(1) the heat dissipation teeth are arranged to dissipate heat of the laser reflection part, so that high temperature is prevented from being conducted to the handheld laser incidence part to scald hands;
(2) the water cooling channel and the protective gas channel are arranged at the handle part of the laser welding head, so that the laser incidence part, the laser emission part and the nozzle can be further cooled, potential safety hazards to operators caused by overhigh temperature in the use process of the welding head are prevented, a good protection effect is achieved, and a good welding effect can be guaranteed;
(3) whole device simple structure, the gripping of being convenient for cools off the cooling to each part in the soldered connection, has improved the security in the soldered connection operation process.
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 an isometric view of a hand-held laser welding head of the present invention;
fig. 2 is a cross-sectional view of the hand-held laser welding head of the present invention;
fig. 3 is a cross-sectional view of the handle of the hand-held laser welding head of the present invention.
The device comprises an optical fiber connector 1, a laser incident part 2, a laser conversion adapter 3, a laser emergent part 4, a reflector 5, an annular connecting seat 6, a nozzle 7, a positioning bolt 8, a handle 9, a switch button 10, a laser incident channel 21, a heat dissipation tooth 31, a bent pipe 32, a cover plate 33, a laser emergent channel 41, a water through port 91, a cooling water channel 92, an air inlet 93 and an air inlet channel 94.
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.
As shown in fig. 1, 2 and 3, the hand-held laser welding head of the present invention comprises an optical fiber connector 1, a laser incident portion 2, an adapter 3, a laser emitting portion 4 and a reflector 5, the optical fiber connector 1 is connected with a laser incidence part 2, a laser incidence channel 21 and a laser emitting channel 41 are respectively arranged inside the laser incidence part 2 and the laser emitting part 4, the adapter 3 is hollow, the laser incidence part 2, the adapter 3 and the laser emitting part 4 are communicated in sequence, the reflector 5 is fixed on the inner wall of the adapter 3, the laser enters the laser incidence channel 21 through the optical fiber connector 1 and is emitted through the laser emitting channel 41 after being reflected by the reflector 5, the heat dissipation teeth 31 are arranged on the outer wall of the adapter 3, can ventilate the heat dissipation to adapter position, prevent that the heat from gathering in adapter department, scald operating personnel's hand to can prevent that the speculum from warping or exploding because of the high temperature.
Further, adapter 3 can also include return bend 32 and apron 33, return bend 32 both ends communicate with laser incident portion 2 and laser outgoing portion 4 respectively, and return bend 32 corner is provided with the opening, the detachable lid of apron 33 is established at the opening part, speculum 5 is fixed at apron 33 inboardly, the apron 33 outside is provided with heat dissipation tooth 31, makes heat dissipation tooth 31 and speculum 5 homoenergetic dismantled like this and washs or change.
Further, the cover plate 33 is connected to the elbow 32 by bolts.
The utility model discloses a hand-held type laser welding head can include annular connecting seat 6 and nozzle 7, annular connecting seat 6 communicates each other and fixed with laser emitting part 4, and nozzle 7 passes annular connecting seat 6 and sliding connection with it.
Furthermore, the handheld laser welding head can further comprise a positioning bolt 8, a through hole is formed in the side wall of the annular connecting seat 6, the positioning bolt 8 penetrates through the through hole and is in threaded connection with the annular connecting seat 6, the end portion of the positioning bolt 8 abuts against the nozzle 7, and the nozzle 7 is telescopic in the annular connecting seat 6, so that the welding head can more accurately position the welding position.
The utility model discloses a hand-held type laser welding head can also include handle 9, handle 9 sets up side by side and fixes with laser incidence portion 2, 9 one end of handle is provided with two at least water service ports 91, 9 inside at least two cooling water channel 92 that are provided with of handle, two at least water service ports 91 are linked together with two at least cooling water channel 92 respectively, two at least cooling water channel 91 communicate with each other in the one end of keeping away from water service port 92. The cooling water can enter through one of the cooling water channels and flow out from the other cooling water channel, so that the water circulation cooling inside the handle is realized, and a good cooling effect is achieved on the laser incident part and the adapter of the butt joint.
Further, an air inlet 93 is further formed in one end of the handle 9, an air inlet channel 94 is further formed in the handle 9, one end of the air inlet channel 94 is communicated with the air inlet 93, the other end of the air inlet channel 94 is communicated with the laser emitting channel 41, and protective gas enters from the air inlet 93, passes through the air inlet channel 94, blows to the laser emitting channel 41 and then is sprayed out.
The utility model discloses a hand-held type laser welding head's can also be provided with shift knob 10 on the 9 lateral walls of handle, control laser welding operation process.
The utility model discloses a hand-held type soldered connection simple structure, the gripping of being convenient for carries out cooling through setting up each part among heat dissipation tooth, the water-cooling part butt welded joint, has improved the security of soldered connection in the actual operation process.
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 (8)
1. The utility model provides a hand-held type laser welder head, its includes optical fiber connector (1), laser incident portion (2), adapter (3), laser outgoing portion (4) and speculum (5), laser incident portion (2) is connected in optical fiber connector (1), laser incident portion (2) and laser outgoing portion (4) are inside to be provided with laser incident channel (21) and laser outgoing channel (41) respectively, adapter (3) inside cavity, laser incident portion (2), adapter (3) and laser outgoing portion (4) communicate in proper order, speculum (5) are fixed at adapter (3) inner wall, and laser jets out through laser outgoing channel (41) in optical fiber connector (1) entering laser incident channel (21) and after speculum (5) reflection, its characterized in that: and heat dissipation teeth (31) are arranged on the outer wall of the adapter (3).
2. The hand-held laser welding head of claim 1 wherein: adapter (3) still includes return bend (32) and apron (33), return bend (32) both ends communicate with laser incident portion (2) and laser outgoing portion (4) respectively, return bend (32) corner is provided with the opening, the detachable lid of apron (33) is established at the opening part, speculum (5) are fixed and are lapped (33) inboardly, apron (33) outside is provided with heat dissipation tooth (31).
3. The hand-held laser welding head of claim 2 wherein: the cover plate (33) is connected with the elbow pipe (32) through a bolt.
4. The hand-held laser welding head of claim 1 wherein: the laser emitting device is characterized by further comprising an annular connecting seat (6) and a nozzle (7), wherein the annular connecting seat (6) is communicated and fixed with the laser emitting part (4), and the nozzle (7) penetrates through the annular connecting seat (6) and is connected with the annular connecting seat in a sliding mode.
5. The hand-held laser welding head of claim 4 wherein: the nozzle is characterized by further comprising a positioning bolt (8), a through hole is formed in the side wall of the annular connecting seat (6), the positioning bolt (8) penetrates through the through hole and is in threaded connection with the annular connecting seat (6), and the end part of the positioning bolt (8) is abutted to the nozzle (7).
6. The hand-held laser welding head of claim 1 wherein: still include handle (9), handle (9) and laser incident portion (2) set up side by side and fix, handle (9) one end is provided with two at least water service ports (91), handle (9) inside is provided with two at least cooling water passageway (92), two at least water service ports (91) respectively with two at least cooling water passageway (92) are linked together, two at least cooling water passageway (92) communicate with each other in the one end of keeping away from water service port (91).
7. The hand-held laser welding head of claim 6 wherein: handle (9) one end still is provided with air inlet (93), handle (9) inside still is provided with inlet channel (94), inlet channel (94) one end is linked together with air inlet (93), and the other end intercommunication laser outgoing passageway (41), and protective gas follows inlet port (93) get into and pass inlet channel (94) and blow to laser outgoing passageway (41) and outside blowout backward.
8. The hand-held laser welding head of claim 6 wherein: the side wall of the handle (9) is provided with a switch button (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922174255.0U CN211564883U (en) | 2019-12-07 | 2019-12-07 | Hand-held type laser welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922174255.0U CN211564883U (en) | 2019-12-07 | 2019-12-07 | Hand-held type laser welding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211564883U true CN211564883U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922174255.0U Active CN211564883U (en) | 2019-12-07 | 2019-12-07 | Hand-held type laser welding head |
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| CN (1) | CN211564883U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346486A (en) * | 2021-12-28 | 2022-04-15 | 苏州创鑫激光科技有限公司 | Gun barrel seat for laser processing equipment |
| CN114346419A (en) * | 2021-09-10 | 2022-04-15 | 苏州创鑫激光科技有限公司 | Laser processing apparatus |
| CN114346487A (en) * | 2021-09-10 | 2022-04-15 | 苏州创鑫激光科技有限公司 | Gas conveying gas path system for laser processing equipment |
-
2019
- 2019-12-07 CN CN201922174255.0U patent/CN211564883U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346419A (en) * | 2021-09-10 | 2022-04-15 | 苏州创鑫激光科技有限公司 | Laser processing apparatus |
| CN114346487A (en) * | 2021-09-10 | 2022-04-15 | 苏州创鑫激光科技有限公司 | Gas conveying gas path system for laser processing equipment |
| CN114346486A (en) * | 2021-12-28 | 2022-04-15 | 苏州创鑫激光科技有限公司 | Gun barrel seat for laser processing equipment |
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