CN221247328U - Handheld laser welding head and laser welding device - Google Patents

Abstract

The utility model belongs to the technical field of handheld welding devices, and particularly relates to a handheld laser welding head and a laser welding device. The hand-held laser welding head comprises a processing head body and a wire feeding tube. Wherein the processing head body is provided with a wire feeding pipe installation channel; the wire feeding pipe is arranged along the inner wall of the wire feeding pipe installation channel, and is arranged along the extension path of the processing head body, at least part of the wire feeding pipe is arranged inside the processing head body, and the integration of the welding head is improved. The whole volume of rifle head has been reduced to this scheme, in actual welding process, and processing head operation flexibility has promoted welding effect and production system efficiency greatly.

Description

Handheld laser welding head and laser welding device

Technical Field

The utility model belongs to the technical field of handheld welding devices, and particularly relates to a handheld laser welding head and a laser welding device.

Background

The laser welding is a high-quality welding process with high quality and high precision, and is widely applied to the fields of aerospace, automobiles, rail transit, ships and the like at present. Traditional laser welding device is comparatively huge, is used for workshop welding more. In recent years, with the development of miniaturized lasers, portable handheld laser welding devices have developed, further expanding the application range of laser welding technology.

In the use process of the handheld laser welding device, a gun head is generally matched with a laser and a wire feeder, and a bracket for fixing a wire feeding tube is required to be arranged on the surface of the gun head. The gun head is connected with the wire feeding pipe, the wire feeding bracket and other accessories, so that the whole volume of the gun head is enlarged, the flexibility of the gun head is limited in the actual welding process, and wires are easy to clamp when the wire feeding pipe is bent, so that the welding effect and the production system efficiency are seriously influenced.

Disclosure of utility model

The present utility model is directed to a hand-held laser welding head and a laser welding apparatus, which solve the above-mentioned problems.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hand-held laser welding head comprising:

The processing head body is provided with a wire feeding pipe installation channel;

and the wire feeding pipe is arranged in the wire feeding pipe installation channel and used for conveying welding wires, and the wire feeding pipe is arranged along the extension path of the processing head body.

In one embodiment, the laser welding head includes a drag reducing device disposed within the wire feed tube for guiding the welding wire.

In one embodiment, the drag reducing device is a linear bearing.

In one embodiment, the wire feed pipe has at least one bending region, the bending region being provided with at least one linear bearing.

In one embodiment, the direction of extension of the outlet end of the wire feed tube is at a predetermined angle to the direction of extension of the laser beam.

In one embodiment, the inner wall of the wire feeding pipe installation channel is provided with a clamping groove, and the wire feeding pipe is clamped in the clamping groove.

In one embodiment, a hand-held laser welding head includes a preform that connects a wire feed pipe and a processing head body.

In one embodiment, the hand-held laser welding head includes a nut, the inlet end of the wire feed pipe being threadably connected to the nut, the nut being disposed on the processing head body.

In one embodiment, the hand-held laser welding head comprises a handle and a wire feed tail pipe, wherein the handle is communicated with the processing head body, the wire feed tail pipe is detachably arranged in the handle, and the wire feed tail pipe is communicated with the wire feed pipe and extends out of the handle.

In one embodiment, the inner wall of the wire feed pipe mounting channel at the connection position of the handle and the processing head body is provided with an arc-shaped surface.

A laser welding device comprises the handheld laser welding head of the embodiment.

The utility model has at least the following beneficial effects:

The handheld laser welding head comprises a processing head body, a wire feeding pipe and a resistance reducing device. Wherein the processing head body is provided with a wire feeding pipe installation channel; the wire feeding pipe is arranged in the wire feeding pipe installation channel and is arranged along the extension path of the processing head body so as to promote the integration of the welding head. The whole volume of rifle head has been reduced to this scheme, in actual welding process, and processing head operation flexibility has promoted welding effect and production system efficiency greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an assembly of a wire feeder tube and a handle;

FIG. 2 is an enlarged detail view of D of FIG. 1;

FIG. 3 is a schematic view of an assembly of a wire feeder tube and a processing head body.

Wherein, each reference sign in the figure:

1. A processing head body; 103. a wire feeding pipe installation channel; 41. a wire feeding tube; 411. a welding wire; 42. a drag reduction device; 43. a clamping groove; 44. tabletting; 45. a handle; 46. a wire feeding tail pipe; 47. a nut; 33. a laser emitting assembly;

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 3, the hand-held laser welding head of the present application includes a processing head body 1, a wire feed pipe 41, and a drag reducing device 42. Wherein the processing head body 1 is provided with a wire feeding pipe mounting channel 103; the wire feeding tube 41 is provided along an inner wall of the wire feeding tube mounting passage 103 for feeding the welding wire. It will be appreciated that, in view of the smoothness of the wire output and the production cost, the front end of the wire feed pipe mounting passage 103 is disposed near the light output position of the processing head body 1, and the rear end is disposed at an upstream position of the optical path, that is, the wire feed pipe 41 is disposed along the extending path of the processing head body 1, to promote integration of the processing head body 1. And the wire feeding pipe 41 is at least partially arranged inside the processing head body 1 so as to promote the integration of the welding head. The whole volume of the gun head is reduced, the flexibility of the gun head is improved in the actual welding process, and the wire is not easy to clamp at the bending position of the wire feeding pipe, so that the welding effect and the production efficiency are greatly improved.

In one embodiment, a drag reducing device 42 is provided on the wire feed tube 41 for guiding drag reduction of the welding wire. Alternatively, the wire feed pipe 41 may be formed by splicing a plurality of sections of wire feed pipes, and the drag reducing device 42 is located between two adjacent wire feed pipes 41.

Alternatively, the drag reducing device 42 may be built into the interior of the wire feeder tube with a higher degree of integration.

In one embodiment, drag reducing device 42 is a linear bearing or ball bearing or like structure.

In one embodiment, the bent region of the wire feed tube 41 is provided with at least one drag reduction device to reduce drag on the welding wire, ensure smooth passage of the welding wire during use, and ensure a welding effect.

In one embodiment, the direction of extension of the outlet end of the wire feed tube 41 is at a predetermined angle to the direction of extension of the laser beam to ensure that the welding wire is sufficiently melted by heat.

Optionally, in order to further raise the overall volume of the welding head, the preset included angle is preferably 0-60 degrees, for example, 60 degrees, 30 degrees, or 10 degrees.

In one embodiment, referring to fig. 3, a clamping groove 43 is formed on an arc-shaped inner wall of the wire feeding tube mounting channel 103, and the wire feeding tube 41 is clamped in the clamping groove 43 to prevent the wire feeding tube 41 from sliding in a shifting manner under the driving of the welding wire 411, so as to affect the wire feeding speed and the welding effect.

In one embodiment, the hand-held laser welding head includes a press piece 44, the press piece 44 connecting the wire feed pipe 41 and the processing head body 1 to secure the wire feed pipe 41 inside the clamping groove 43.

In one embodiment, the hand-held laser welding head includes a nut 47, the inlet end of the wire feed pipe 41 being threadably connected to the nut 47, the nut 47 being provided to the processing head body 1.

In one embodiment, the hand-held laser welding head includes a wire feed tail tube 46, the processing head body 1 includes a main body 48 and a handle 45 in communication, the wire feed tail tube 46 is removably disposed within the handle 45, and the wire feed tail tube 46 is in communication with the wire feed tube 41 and extends out of the handle 45.

In one embodiment, the inner wall of the feeder tube mounting channel 103 at the point where the handle 45 and the body 48 are connected is configured as an arcuate surface. The wire feed pipe 41 is attached along any one of the arcuate surfaces of the processing head body.

Alternatively, the wire feeding tube 41 may be configured as a deformed conduit that is expanded or contracted by force, and may be a mesh structure or a spiral structure.

Alternatively, the wire feeding tube 41 is disposed in sequence along the inner wall of the wire feeding tube mounting passage 103 for feeding the welding wire 411. The drag reducing device 42 is disposed between two adjacent wire feed tubes 41 for guiding the welding wire 411. It will be appreciated that the drag reducing device 42 is connected to the channels in the feeder tube 41, base 13 and adapter 14 to form a complete wire exit channel.

Optionally, the wire feeding tube 41 is partially built in the processing head body 1 to form a hollow structure.

In the present application, the wire feed pipe mounting passage 103 is formed in the processing head body 1, and the passage disposed between the inner portions 12 may be formed in the outer case of the processing head body 1.

Optionally, in other embodiments, the wire feeding tube mounting channel 103 is a guide groove structure formed on the outer wall of the processing head body 1, and the wire feeding tube 41 is fixed on the processing head body 1 by arranging the decorative outer cover, so that welding wires with more sizes can be compatible, the universality of the structure is improved, and the convenience of replacing the welding wires is improved. The corresponding decorative outer cover can be quickly disassembled and assembled by adopting structures such as buckles or elastic buckles.

The air supply wire assembly is creatively integrated in the processing head body 1, so that the problem of space structure limitation caused by a paraxial wire supply structure is avoided, and the application range of the processing head is wider.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A hand-held laser welding head, comprising:

A processing head body (1) provided with a wire feeding pipe mounting channel (103);

And the wire feeding pipe (41) is arranged in the wire feeding pipe installation channel (103) and is used for conveying welding wires, and the wire feeding pipe (41) is arranged along the extension path of the processing head body (1).

2. The hand-held laser welding head according to claim 1, characterized in that the welding head comprises a drag reducing device (42) arranged on a wire feed pipe (41) for guiding the welding wire.

3. The hand-held laser welding head according to claim 2, characterized in that the wire feed pipe (41) has at least one bending region, which is provided with at least one of the drag reducing devices (42).

4. The hand-held laser welding head according to claim 1, characterized in that the direction of extension of the outlet end of the wire feed pipe (41) and the direction of extension of the laser beam form a preset angle.

5. The hand-held laser welding head according to claim 1, wherein the inner wall of the wire feed pipe mounting channel (103) is provided with a clamping groove (43), and the wire feed pipe (41) is clamped in the clamping groove (43).

6. The hand-held laser welding head according to claim 1, characterized in that the hand-held laser welding head comprises a press piece (44), the press piece (44) connecting the wire feed pipe (41) and the machining head body (1).

7. The hand-held laser welding head according to claim 1, characterized in that it comprises a nut (47), the inlet end of the wire feed pipe (41) being screwed with the nut (47), the nut (47) being provided in the machining head body (1).

8. The hand-held laser welding head according to claim 1, characterized in that the hand-held laser welding head comprises a wire feeding tail pipe (46), the processing head body (1) comprises a handle (45) and a main body (48) which are connected, the wire feeding tail pipe (46) is detachably arranged in the handle (45), and the wire feeding tail pipe (46) is communicated with the wire feeding pipe (41) and extends out of the handle (45).

9. The hand-held laser welding head according to claim 1, characterized in that the wire feed pipe (41) extends along an arcuate surface of either side of the processing head body (1).

10. A laser welding apparatus comprising a hand-held laser welding head according to any one of claims 1 to 9.