CN218517916U - Air-cooled handheld laser welding gun - Google Patents
Air-cooled handheld laser welding gun Download PDFInfo
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- CN218517916U CN218517916U CN202123287518.2U CN202123287518U CN218517916U CN 218517916 U CN218517916 U CN 218517916U CN 202123287518 U CN202123287518 U CN 202123287518U CN 218517916 U CN218517916 U CN 218517916U
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Abstract
An air-cooled handheld laser welding gun comprising: the laser device comprises a main body, a laser channel and a laser processing unit, wherein the laser channel is formed inside the main body; the tail end of the main body is connected with a laser; the head end of the main body is connected with a welding head; the optical transmission assembly is arranged in the laser channel; laser is transmitted from the tail end of the laser channel to the head end of the laser channel through the optical propagation assembly; the laser device comprises a main body and is characterized in that a gas channel is further formed in the main body, the gas channel is located on the periphery of the laser channel, an adjustable protective gas nozzle is arranged on a gas outlet of the gas channel, and gas is exhausted through the protective gas nozzle. The gas channel is arranged on the periphery of the laser channel, and the compressed cooling gas flows through the gas channel, so that heat generated on the main body is taken away, and the gas can also serve as protective gas to protect the performance of a welding seam, and the service life of a product is prolonged; compared with the traditional water-cooling heat dissipation mode, the air-cooling heat dissipation mode avoids the risk of dew condensation and water leakage caused by water cooling.
Description
Technical Field
The utility model belongs to the technical field of laser welder, especially, relate to a laser welder is handed to air-cooled.
Background
The laser welding technology is a welding mode using a high-energy laser beam as a heat source, and is one of important aspects of the application of the laser material processing technology. When small-batch irregular welding seams are welded, a large-scale welding machine tool is inconvenient to weld, and a handheld laser welding gun is needed to weld workpieces at the moment. Hand-held type laser welder generally includes the welder main part, and the cavity front end is provided with laser outlet and soldered connection, and the cavity rear end is provided with laser instrument connecting device, and the inside water-cooling mode cooling that generally adopts of cavity is provided with the protection gas spout alone at the cavity front end. This results in the need for both gas and liquid passages in the entire device, and the risk of water leakage or condensation during liquid cooling, which can result in a shortened life of the welding head. For low power laser welding, the heat generation is not so large, so that water cooling can be replaced by air cooling, and the gas for cooling can also serve as shielding gas.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide an air-cooled handheld laser welding gun, and the problem is solved.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided an air-cooled hand-held laser welding gun comprising:
the laser device comprises a main body, a laser channel and a laser processing unit, wherein the laser channel is formed inside the main body; the tail end of the main body is connected with a laser; the head end of the main body is connected with a welding head;
the optical transmission assembly is arranged in the laser channel; laser is transmitted from the tail end of the laser channel to the head end of the laser channel through the optical propagation assembly;
the laser device comprises a main body, wherein a gas channel is further formed in the main body, the gas channel is located on the periphery of the laser channel, an adjustable protective gas nozzle is arranged on a gas outlet of the gas channel, and gas is exhausted through the protective gas nozzle.
In one embodiment, the tail end of the body is provided with a laser attachment device for attaching a laser.
In one embodiment, the main body is provided with a control handle for controlling the light emission of the laser, and the control handle is positioned at the rear part of the main body.
In one embodiment, the optical propagation assembly comprises a collimating mirror, a reflecting mirror and a focusing mirror which are sequentially arranged in the laser channel at intervals along the laser propagation direction; the installation positions of the collimating mirror and the reflecting mirror can be exchanged.
In one embodiment, a protective lens is further arranged in the laser channel and is positioned at the light outlet opening of the laser channel.
In one embodiment, the gas inlet of the gas channel is located at the trailing end of the body; the gas outlet of the gas channel is positioned at the head end of the main body.
In one embodiment, the main body is further provided with an adjusting unit, and the shielding gas nozzle is adjustably arranged on the gas outlet of the gas channel through the adjusting unit.
In one embodiment, the adjusting unit adjusts the position of the exhaust port of the shielding gas nozzle so that the gas is aligned with the position of the focusing point of the laser.
The beneficial effect of this application lies in: the gas channel is arranged at the periphery of the laser channel, and the compressed cooling gas flows through the gas channel, so that heat generated on the main body is taken away, and the gas can also serve as protective gas to protect the performance of a welding seam, thereby prolonging the service life of the product; compared with the traditional water-cooling heat dissipation mode, the air-cooling heat dissipation mode avoids the risk of dew condensation and water leakage caused by water cooling.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an air-cooled handheld laser welding gun according to an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
1. control handle 2 and laser connecting device
3. Body 4, collimating mirror
5. Reflecting mirror 6, gas channel
7. Focusing mirror 8, soldered connection
9. Adjusting unit 10 and protective gas nozzle
11. Light path 61, air inlet
62. And an air outlet.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, an embodiment of the present application provides an air-cooled handheld laser welding gun, including:
the main body 3 is internally provided with a laser channel; the tail end of the main body 3 is connected with a laser (not shown); the head end of the main body 3 is connected with a welding head 8; optionally, the laser includes, but is not limited to, a fiber laser.
The optical transmission assembly is arranged in the laser channel; the laser is transmitted to the head end of the laser channel from the tail end of the laser channel through the optical transmission assembly;
wherein, still seted up gas channel 6 on the main part 3, gas channel 6 is located the periphery of laser channel, and optionally, gas channel 6 encircles around the laser channel. And an adjustable protective gas nozzle 10 is arranged on the gas outlet of the gas channel 6, and the gas is discharged through the protective gas nozzle 10. The gas channel 6 is arranged at the periphery of the laser channel, and the compressed cooling gas flows through the gas channel 6, so that the heat generated on the main body 3 is taken away, and the performance of protecting the welding line by the protective gas can be realized, and the service life of the product is prolonged; compared with the traditional water-cooling heat dissipation mode, the air-cooling heat dissipation mode avoids the risk of dew condensation and water leakage caused by water cooling.
Exemplary gas compositions include, but are not limited to, high purity nitrogen, oxygen, and the like.
The tail end of the main body 3 is provided with a laser connecting device 2 for connecting a laser. Alternatively, the laser attachment means may be a threaded or snap-fit arrangement, or other attachment arrangement.
The main body 3 is provided with a control handle 1 for controlling the light emission of the laser, and the control handle 1 is positioned at the rear part of the main body 3. The control handle 1 is pressed to control the laser operation.
In one embodiment, the optical transmission assembly comprises a collimating mirror 4, a reflecting mirror 5 and a focusing mirror 7 which are sequentially arranged in the laser channel at intervals along the laser transmission direction; the installation positions of the collimating mirror 4 and the reflecting mirror 5 can be changed.
Illustratively, the collimating mirror 4 is located at the end of the laser channel close to the main body 3, and the reflecting mirror 5 is located at the corner of the laser channel; the focusing mirror 7 is positioned in the laser channel near the head end of the main body 3. Laser emitted by the laser is collimated by the collimating lens 4 and then emitted to the reflecting mirror 5, the reflecting mirror 5 emits the laser to the focusing lens 7, the focusing lens 7 focuses the laser and emits the laser from the head end of the laser channel, and the light path 11 of the whole laser is shown in fig. 1.
And a protective glass 12 is also arranged in the laser channel, and the protective glass 12 is positioned at the light outlet opening of the laser channel. The protective glass 12 is a transparent optical glass, and the protective glass 12 prevents impurities from entering the laser channel.
The gas inlet 61 of the gas channel 6 is located at the tail end of the main body 3; the gas outlet 62 of the gas channel 6 is located at the head end of the body 3. It will be appreciated that the gas channels 6 are provided throughout the body 3, i.e. a larger area is available for carrying away heat. Alternatively, the air inlet 61 may be one or more.
The main body 3 is further provided with an adjusting unit 9, and the shielding gas nozzle 10 is adjustably arranged on the gas outlet 62 of the gas channel 6 through the adjusting unit 9. The gas outlet position of the protective gas nozzle 10 is adjusted by the adjusting unit 9, so that the gas is further utilized and is aligned with the focus position of the laser, and the blown gas at the laser processing point is cooled.
Alternatively, the adjustment unit 9 may be an adjustment rope structure, or other adjustable structure.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. An air-cooled hand-held laser welding gun, comprising:
the laser device comprises a main body, a laser channel and a laser processing unit, wherein the laser channel is formed inside the main body; the tail end of the main body is connected with a laser; the head end of the main body is connected with a welding head;
the optical transmission assembly is arranged in the laser channel; laser is transmitted from the tail end of the laser channel to the head end of the laser channel through the optical propagation assembly;
the laser device comprises a main body, wherein a gas channel is further formed in the main body, the gas channel is located on the periphery of the laser channel, an adjustable protective gas nozzle is arranged on a gas outlet of the gas channel, and gas is exhausted through the protective gas nozzle.
2. The air-cooled hand-held laser welding gun of claim 1, wherein: the tail end of the main body is provided with a laser connecting device for connecting a laser.
3. The air-cooled hand-held laser welding gun of claim 1, wherein: the main part is provided with a control handle for controlling the light emission of the laser, and the control handle is positioned at the rear part of the main part.
4. The air-cooled hand-held laser welding gun of claim 1, wherein: the optical transmission assembly comprises a collimating mirror, a reflecting mirror and a focusing mirror which are sequentially arranged in the laser channel at intervals along the laser transmission direction; the installation positions of the collimating mirror and the reflecting mirror can be exchanged.
5. The air-cooled hand-held laser welding gun of claim 1, wherein: and a protective glass is further arranged in the laser channel and is positioned at the light outlet opening of the laser channel.
6. The air-cooled hand-held laser welding gun of claim 1, wherein: the gas inlet of the gas channel is positioned at the tail end of the main body; the gas outlet of the gas channel is positioned at the head end of the main body.
7. The air-cooled hand-held laser welding gun of claim 1, wherein: the main body is further provided with an adjusting unit, and the protective gas nozzle is adjustably arranged on the gas outlet of the gas channel through the adjusting unit.
8. The air-cooled hand-held laser welding gun of claim 7, wherein: the adjusting unit adjusts the position of an exhaust port of the protective gas nozzle, so that the gas is aligned to the position of the focusing point of the laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287518.2U CN218517916U (en) | 2021-12-24 | 2021-12-24 | Air-cooled handheld laser welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287518.2U CN218517916U (en) | 2021-12-24 | 2021-12-24 | Air-cooled handheld laser welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218517916U true CN218517916U (en) | 2023-02-24 |
Family
ID=85236873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123287518.2U Active CN218517916U (en) | 2021-12-24 | 2021-12-24 | Air-cooled handheld laser welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218517916U (en) |
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2021
- 2021-12-24 CN CN202123287518.2U patent/CN218517916U/en active Active
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