CN211465169U - Handheld laser welder head that sways - Google Patents
Handheld laser welder head that sways Download PDFInfo
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- CN211465169U CN211465169U CN201922279983.8U CN201922279983U CN211465169U CN 211465169 U CN211465169 U CN 211465169U CN 201922279983 U CN201922279983 U CN 201922279983U CN 211465169 U CN211465169 U CN 211465169U
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Abstract
The utility model discloses a hand-held swinging laser welding head, belonging to the technical field of laser welding, comprising a collimation unit and a reflection unit, wherein the collimation unit is horizontally arranged, and the emergent end of the reflection unit is bent downwards and forms an included angle with the collimation unit; the collimation unit comprises a collimation handle and a collimation lens, anti-skid convex edges are uniformly arranged on the outer contour of the collimation handle, and the bottom end face of the collimation handle is arched upwards to form a finger-belly arc attaching part; the reflecting unit comprises a laser welding head cavity and a reflecting lens, the laser welding head cavity is provided with three communicated cavities which are respectively an incident cavity connected with the collimating unit, a laser reflecting cavity for mounting the reflecting lens and an emergent cavity for emitting laser, the tail end of the reflecting lens is provided with a swing motor, and the swing motor is fixedly mounted on the laser welding head cavity. Through setting up anti-skidding bead and pointing abdomen circular arc laminating portion, the operator of being convenient for grips to set up the angle of rocking motor control reflection lens, realize the regulation of welding seam size.
Description
Technical Field
The utility model relates to a laser welding technical field, in particular to handheld laser welder head that sways.
Background
A hand-held laser welding head is a laser external optical path device, is associated with a laser through an optical fiber, and is subjected to collimation and focusing adjustment by an internal optical lens and monitoring and operation by a control system. The handheld laser welding head on the market is in a straight cylinder shape, but the welding head is inconvenient to hold due to the fact that the weight of the welding head is large, and the size of a welding line cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a handheld laser welder head that sways for solve the technical problem that grips that welder head weight leads to greatly inconvenient and can't adjust the welding seam size in laser welding.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a hand-held swinging laser welding head comprises a collimation unit and a reflection unit, and is characterized in that: the collimation unit is horizontally arranged, and the emergent end of the reflection unit is bent downwards and forms an included angle with the collimation unit;
the collimating unit comprises a collimating handle and a collimating lens, the collimating lens is internally arranged in the collimating handle, anti-slip convex ribs are uniformly arranged on the outer contour of the collimating handle, and the bottom end surface of the collimating handle is arched upwards to form a finger-belly arc attaching part;
the reflecting unit comprises a laser welding head cavity and a reflecting lens, the laser welding head cavity is provided with three communicated cavities which are respectively an incident cavity connected with the collimating unit, a laser reflecting cavity for mounting the reflecting lens and an emergent cavity for emitting laser, the tail end of the reflecting lens far away from the laser welding head cavity is provided with a swing motor, and the swing motor is fixedly mounted on the laser welding head cavity through a motor end cover.
Preferably, the end face of the collimating lens is annularly provided with a first sealing groove, a first sealing ring is arranged in the sealing groove, and the end face of the collimating lens is connected with the laser welding head cavity to form a sealing area.
Preferably, the outer end face of the top of the laser welding head cavity is provided with a lightening groove, the tail end of the laser welding head cavity, which is close to the laser reflection hole cavity, is provided with a second sealing groove, a second sealing ring is arranged between the swing motor and the laser reflection hole cavity in a jacking mode, and the second sealing ring is arranged in the second sealing groove.
Preferably, the laser welding head further comprises a focusing unit and a light-emitting welding nozzle which are sequentially connected to the emergent end of the reflecting unit, the focusing unit comprises a focusing piece connected with the cavity of the laser welding head and a focusing mirror installed on the focusing piece, the focusing mirror is located on the end face, close to the cavity of the laser welding head, of the focusing piece, a third sealing groove is formed in the end face, and a third sealing ring is installed in the third sealing groove.
Preferably, a cavity is arranged in the focusing part, the focusing unit further comprises a protective spectacle frame transversely installed in the cavity and a protective lens installed on the protective spectacle frame, a fourth sealing groove is formed in the end face where the protective lens is installed, and a fourth sealing ring is arranged in the fourth sealing groove.
Preferably, the light-emitting welding tip comprises a connecting block connected with the end of the focusing piece far away from the focusing lens and a welding tip in the shape of an inverted cone.
By adopting the technical scheme, the collimating unit is horizontally arranged, the emergent end of the reflecting unit is bent downwards and forms an included angle with the collimating unit, and the traditional straight-cylinder structure is changed; through setting up anti-skidding bead and indicate abdomen circular arc laminating portion, the operator of being convenient for grips, simultaneously through setting up the angle of rocking motor control reflection lens, adjusts the light path of laser, and then the size of adjustment welding seam.
Drawings
Fig. 1 is a front view of a welding head according to an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
FIG. 3 is a perspective view of a welding head according to an embodiment of the present invention;
FIG. 4 is an exploded view of the welding head according to an embodiment of the present invention;
fig. 5 is a side view of a collimating unit in an embodiment of the present invention;
fig. 6 is a perspective view of an embodiment of the collimating unit of the present invention;
fig. 7 is a perspective view of the laser welding head cavity in one direction according to the embodiment of the present invention;
fig. 8 is a perspective view of the laser welding head cavity in another direction according to the embodiment of the present invention;
fig. 9 is an exploded view of the focusing unit according to the embodiment of the present invention.
In the figure, 1-collimation unit, 11-collimation handle, 12-collimation lens, 13-anti-slip convex edge, 14-finger belly arc joint part, 15-first sealing groove, 2-reflection unit, 21-laser welding head cavity, 22-reflection lens, 23-incidence hole cavity, 24-laser reflection hole cavity, 25-emission hole cavity, 26-swing motor, 27-motor end cover, 28-lightening groove, 29-second sealing groove, 3-focusing unit, 31-focusing piece, 32-focusing lens, 33-third sealing groove, 34-containing cavity, 35-protective lens frame, 36-protective lens, 37-fourth sealing groove, 4-light-emitting welding nozzle, 41-connecting block and 42-welding nozzle.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-8, the utility model provides a hand-held swinging laser welding head, which comprises a collimation unit 1 and a reflection unit 2, wherein the collimation unit 1 is horizontally arranged, and the emergent end of the reflection unit 2 is bent downwards and forms an included angle with the collimation unit 1;
the collimating unit 1 comprises a collimating handle 11 and collimating lenses 12, the collimating lenses 12 are internally installed in the collimating handle 11, and dust can be prevented from entering the collimating lenses 12 in a mode of internally installing the collimating lenses 12, so that the mirror surfaces of the collimating lenses 12 are blurred, and the light emitting effect is further influenced. In addition, anti-slip ribs 13 are uniformly arranged on the outer contour of the collimation handle 11, and the bottom end face of the collimation handle 11 is arched upwards to form a finger-belly arc attaching part 14;
the reflection unit 2 comprises a laser welding head cavity 21 and a reflection lens 22, the laser welding head cavity 21 is provided with three communicated cavities, namely an incident cavity 23 connected with the collimation unit 1, a laser reflection cavity 24 for installing the reflection lens 22 and an emergent cavity 25 for emitting laser, the tail end of the reflection lens 22 far away from the laser welding head cavity 21 is provided with a swing motor 26, and the swing motor 26 is fixedly arranged on the laser welding head cavity 21 through a motor end cover 27;
the swing motor 26 is connected to the mirror 22 and configured to drive the mirror 22 to swing, the mirror 22 is swung at a fast frequency by the swing motor 26, and the controller is connected to the swing motor 26 and controls a rotation angle of the swing motor 26, where the controller is a known product.
Compared with the existing welding head, the collimating unit 1 is horizontally arranged, the emergent end of the reflecting unit 2 is bent downwards, and an included angle is formed between the emergent end and the collimating unit 1, so that the traditional straight-cylinder structure is changed; by arranging the anti-slip convex rib 13 and the finger-web arc fitting part 14, the operator can conveniently hold the finger-web arc fitting part, and simultaneously, the angle of the reflecting lens 22 is controlled by arranging the swing motor 26, the light path of laser is adjusted, and the size of a welding seam is adjusted.
Furthermore, a first sealing groove 15 is formed in the end face of the collimating lens 12 in the circumferential direction, a first sealing ring is arranged in the sealing groove, and the end face of the collimating lens 12 is connected with the laser welding head cavity 21 to form a sealing area.
Further, it has the heavy groove 28 of subtracting to open on the outer terminal surface in laser welding head cavity 21 top, avoids the utility model discloses a laser welding head's weight is too big, and the operator grips the operation for a long time, and fatigue is felt to appear easily. The end of the laser welding head cavity 21 close to the laser reflection hole cavity 24 is provided with a second sealing groove 29, and a second sealing ring is arranged between the swing motor 26 and the laser reflection hole cavity 24 in a propping manner and is arranged in the second sealing groove 29.
Further, as shown in fig. 9, the laser welding head further includes a focusing unit 3 and a light-emitting welding tip 4 sequentially connected to the exit end of the reflection unit 2, the focusing unit 3 includes a focusing member 31 connected to the laser welding head cavity 21 and a focusing mirror 32 installed on the focusing member 31, the focusing mirror 32 is located on the end surface of the focusing member 31 close to the laser welding head cavity 21, a third sealing groove 33 is formed in the end surface, and a third sealing ring is installed in the third sealing groove 33.
Further, a cavity 34 is provided in the focusing element 31, the focusing unit 3 further includes a protective lens frame 35 horizontally installed in the cavity 34 and a protective lens 36 installed on the protective lens frame 35, a fourth sealing groove 37 is provided on an end surface where the protective lens 36 is installed, and a fourth sealing ring is provided in the fourth sealing groove 37.
Further, the light-emitting welding tip 4 comprises a connecting block 41 connected with the end of the focusing member 31 far away from the focusing lens 32 and a welding tip 42 in the shape of an inverted cone.
In this embodiment, the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring are arranged, so that the welding head has a compact structure and good sealing performance.
The laser in this embodiment is emitted from an optical fiber, the laser enters the collimating unit 1, passes through the inner cavity of the collimating handle 11 in the collimating unit 1, enters the focusing treatment of the collimating lens 12, emits the laser, enters the incident hole cavity 23 in the laser welding head cavity 21 from the collimating unit 1, enters the emergent hole cavity 25 after being reflected by the reflecting lens 22 installed in the laser reflecting hole cavity 24 from the incident hole cavity 23, passes through the focusing lens 32 and the protective lens 36 of the focusing unit 3 in sequence from the laser welding head cavity 21, and finally emits through the welding tip 42, thereby welding a welding product.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. A hand-held rocking laser welding head comprising a collimating unit (1) and a reflecting unit (2), characterized in that: the collimation unit (1) is horizontally arranged, and the emergent end of the reflection unit (2) is bent downwards and forms an included angle with the collimation unit (1);
the collimating unit (1) comprises a collimating handle (11) and collimating lenses (12), the collimating lenses (12) are arranged in the collimating handle (11), anti-skidding convex ribs (13) are uniformly arranged on the outer contour of the collimating handle (11), and the bottom end surfaces of the collimating handle (11) are arched upwards to form finger-belly arc attaching parts (14);
the reflection unit (2) comprises a laser welding head cavity (21) and a reflection lens (22), the laser welding head cavity (21) is provided with three communicated holes which are respectively an incident hole (23) connected with the collimation unit (1), a laser reflection hole (24) provided with the reflection lens (22) and an emergent hole (25) from which laser is emitted, the tail end of the reflection lens (22) far away from the laser welding head cavity (21) is provided with a swing motor (26), and the swing motor (26) is fixedly arranged on the laser welding head cavity (21) through a motor end cover (27).
2. The hand-held rocking laser welding head of claim 1, wherein: the end face of the collimating lens (12) is annularly provided with a first sealing groove (15), a first sealing ring is arranged in the sealing groove, and the end face of the collimating lens (12) is connected with the laser welding head cavity (21) to form a sealing area.
3. The hand-held rocking laser welding head of claim 1, wherein: a lightening groove (28) is formed in the outer end face of the top of the laser welding head cavity (21), a second sealing groove (29) is formed in the tail end, close to the laser reflection hole cavity (24), of the laser welding head cavity (21), a second sealing ring is arranged between the swing motor (26) and the laser reflection hole cavity (24) in a jacking mode, and the second sealing ring is arranged in the second sealing groove (29).
4. The hand-held rocking laser welding head of claim 1, wherein: the laser welder head still including connect gradually focusing unit (3) and the light-emitting welding nozzle (4) of reflection unit (2) exit end, focusing unit (3) include with focusing piece (31) that laser welder head cavity (21) are connected and install focusing mirror (32) on focusing piece (31), focusing mirror (32) are located focusing piece (31) and are close to on the terminal surface of laser welder head cavity (21), be equipped with third seal groove (33) on the terminal surface, the installation is by the third sealing washer in third seal groove (33).
5. The hand-held rocking laser welding head of claim 4, wherein: the focusing unit (3) further comprises a protective mirror bracket (35) transversely installed in the accommodating cavity (34) and a protective lens (36) installed on the protective mirror bracket (35), a fourth sealing groove (37) is formed in the end face where the protective lens (36) is installed, and a fourth sealing ring is arranged in the fourth sealing groove (37).
6. The hand-held rocking laser welding head of claim 4, wherein: the light-emitting welding tip (4) comprises a connecting block (41) connected with the tail end of the focusing piece (31) far away from the focusing lens (32) and a welding tip (42) in an inverted cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279983.8U CN211465169U (en) | 2019-12-16 | 2019-12-16 | Handheld laser welder head that sways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279983.8U CN211465169U (en) | 2019-12-16 | 2019-12-16 | Handheld laser welder head that sways |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211465169U true CN211465169U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922279983.8U Active CN211465169U (en) | 2019-12-16 | 2019-12-16 | Handheld laser welder head that sways |
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| Country | Link |
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| CN (1) | CN211465169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828442A (en) * | 2021-01-18 | 2021-05-25 | 湖北大学 | Handheld laser welding head with variable swing frequency and amplitude |
-
2019
- 2019-12-16 CN CN201922279983.8U patent/CN211465169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828442A (en) * | 2021-01-18 | 2021-05-25 | 湖北大学 | Handheld laser welding head with variable swing frequency and amplitude |
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