Laser welding wire and laser center alignment structure

Abstract

The utility model discloses a welding wire and laser center aligning structure for laser welding, relates to the field of laser welding, solves the problem that the position of a welding wire part is difficult to adjust for follow-up efficient welding according to the requirements of the position and specification of a welding seam in the conventional device, and adopts the following scheme that the welding wire and laser center aligning structure comprises a laser welding head, a main body of the clamping assembly is a clamping sleeve, a fixing table is fixedly installed at the top of the clamping sleeve, the fixing table is slidably sleeved with a sliding table, and a wire feeding assembly is assembled on the top side of the sliding table; a welding wire part is arranged in the wire feeding assembly; according to the welding wire and laser center alignment structure for laser welding, through the arrangement of a wire feeding assembly in a clamping assembly on the top side of a laser welding head, a wire feeding pipe can be pressed on the inner side of a pipe groove in the wire feeding assembly by screwing an adjusting bolt, the position of a welding wire part at the front end of the wire feeding pipe is synchronously adjusted, and therefore the contact position of the welding wire part and laser at the front end of the laser welding head is adjusted; and the precise welding effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a laser welding wire and laser center alignment structure. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a high energy density laser beam as a heat source;

[0003] After searching, the application with patent application number CN202221840823.1 discloses a laser welding device, which includes a laser welding main machine, which has a laser welding head for emitting welding laser; a welding wire feeding device, which includes a welding wire feeding head, a welding wire inserted in the center hole of the welding wire feeding head, and a driving mechanism for driving the welding wire to pass out of the wire outlet of the welding wire feeding head; a connecting device, which includes a connecting seat connected to the laser welding head and a rotating assembly connected to the connecting seat and connected to the welding wire feeding head; an angle fixer, which has a connecting part connected to the laser welding head and a clamping part integrally formed with the connecting part, the welding wire feeding head is connected to the clamping part, and the clamping part is configured to make the extension line of the center line of the wire outlet of the welding wire feeding head pass through the laser focus of the laser welding head;

[0004] The above application document achieves the limitation of the welding wire by setting the clamping part, but does not set the corresponding adjustment mechanism, which makes it difficult to adjust the position of the center of the welding wire according to the required weld position and specifications, so as to ensure the accuracy and effect of welding.

[0005] Therefore, we proposed a laser welding structure in which the welding wire is aligned with the laser center. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a laser welding wire and laser center alignment structure, which solves the problem that the prior device is difficult to adjust the position of the welding wire according to the requirements of the weld position and specifications for subsequent efficient welding.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a laser welding wire and laser center alignment structure, including a laser welding head and a wire feeding tube and a welding wire part obliquely upward therefrom;

[0008] The laser welding head is equipped with a clamping assembly, the main body of the clamping assembly is a clamping sleeve, a fixed table is fixedly installed on the top of the clamping sleeve, a sliding table is slidably mounted on the fixed table, and a wire feeding assembly is installed on the top side of the sliding table;

[0009] The wire feeding assembly is provided with a tube groove, a wire feeding tube is slidably mounted in the tube groove, a welding wire portion is mounted in the wire feeding tube, an adjusting bolt connected to the tube groove is provided on the top side of the wire feeding assembly, and the bottom end of the adjusting bolt is tightly attached to the top side of the wire feeding tube.

[0010] Preferably, the wire feeding assembly is an oblique L-shaped block, and an external fastening screw hole and an arc groove are provided at the handle of the wire feeding assembly.

[0011] Preferably, a wire feeding slot matching the thickness of the wire feeding assembly is provided on the top side of the sliding table, and two groups of third bolt holes connected to the wire feeding slot are provided on the side wall of the sliding table, an external fastening bolt is threadedly mounted in the third bolt hole and the external fastening screw hole on the left side, and an internal fastening bolt is installed between the third bolt hole and the arc groove on the right side.

[0012] Preferably, the clamping sleeve is composed of two groups of arc-shaped plates, and the bottom ends of the two groups of arc-shaped plates are assembled by fastening screws.

[0013] Preferably, the fixed platform is an L-shaped seat, and the bottom side of the sliding platform is provided with an L-shaped groove matching the shape of the fixed platform.

[0014] Preferably, the outer thread sleeve of the fixed platform is provided with a first fastening bolt, and the outer end of the first fastening bolt is tightly attached to the outer wall of the sliding platform.

[0015] Preferably, two groups of second bolt holes are provided on the rear side wall of the fixed platform, a bolt groove located outside the second bolt holes is provided on the bottom side of the sliding platform, and a second fastening bolt threadedly mounted inside the second bolt hole is provided in the bolt groove.

[0016] The utility model provides a laser welding wire and laser center alignment structure, which has the following beneficial effects:

[0017] 1. The laser welding wire and laser center alignment structure, through the setting of the wire feeding assembly in the clamping assembly on the top side of the laser welding head, can press the wire feeding tube to the inner side of the tube groove in the wire feeding assembly by tightening the adjusting bolt, and synchronously adjust the position of the welding wire part at the front end of the wire feeding tube, thereby adjusting the contact position between the welding wire part and the laser at the front end of the laser welding head, so as to achieve the effect of precise welding, and solve the problem that the existing device is difficult to adjust the position of the welding wire part according to the requirements of the weld position and specifications for subsequent efficient welding;

[0018] 2. The laser welding wire and laser center alignment structure, through the setting of the sliding set between the fixed table and the sliding table, can use the first fastening bolt to adjust the lateral position of the sliding table, and then use the second fastening bolt to press the position of the sliding table to limit its stability, so as to ensure the center position of the welding wire after adjustment, so that it is on the same center plane with the laser, and ensure the accuracy of welding;

[0019] 3. The laser welding wire and laser center alignment structure, through the setting of the sliding table and the wire feeding assembly rotating set, can rotate the axial position of the wire feeding assembly with the external fastening bolt as the axis point, so as to adjust the height of the outer end of the welding wire part and the distance between it and the laser at the outer end of the laser welding head, further ensuring the welding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the clamping assembly of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the wire feeding assembly of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the wire feeding assembly of the utility model when it is disassembled.

[0024] In the figure: 1. laser welding head; 2. clamping assembly; 21. clamping sleeve; 22. fixing table; 221. first fastening bolt; 222. second bolt hole; 23. sliding table; 231. bolt groove; 232. second fastening bolt; 233. wire feeding slot; 234. second bolt hole; 3. wire feeding assembly; 31. outer fastening bolt; 32. inner fastening bolt; 33. outer fastening screw hole; 34. arc groove; 35. adjusting bolt; 36. adjusting screw hole; 37. pipe groove; 4. wire feeding tube; 5. welding wire part. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4The embodiment of the utility model provides a technical solution: a laser welding wire and laser center alignment structure, comprising a laser welding head 1 and a wire feeding tube 4 and a welding wire part 5 obliquely upward thereof; a clamping assembly 2 is mounted on the laser welding head 1, the main body of the clamping assembly 2 is a clamping sleeve 21, a fixed table 22 is fixedly installed on the top of the clamping sleeve 21, a sliding table 23 is slidably mounted on the fixed table 22, and a wire feeding assembly 3 is mounted on the top side of the sliding table 23; a tube groove 37 is provided in the wire feeding assembly 3, a wire feeding tube 4 is slidably mounted in the tube groove 37, a welding wire part 5 is mounted in the wire feeding tube 4, an adjusting bolt 35 connected to the tube groove 37 is provided on the top side of the wire feeding assembly 3, and the bottom end of the adjusting bolt 35 is tightly attached to the top side of the wire feeding tube 4; the wire feeding assembly 3 is an oblique L-shaped block, and an external fastening screw hole 33 and an arc groove 34 are provided at the handle of the wire feeding assembly 3.

[0027] Among them, the laser welding wire and the laser center alignment structure, through the setting of the wire feeding assembly 3 in the top side clamping assembly 2 of the laser welding head 1, can press the wire feeding tube 4 to the inner side of the tube groove 37 in the wire feeding assembly 3 by tightening the adjusting bolt 35, and synchronously adjust the position of the welding wire part 5 at the front end of the wire feeding tube 4, thereby adjusting its contact position with the laser at the front end of the laser welding head 1, achieving the effect of precise welding, and solving the problem that the existing device is difficult to adjust the position of the welding wire part 5 according to the requirements of the weld position and specifications for subsequent efficient welding.

[0028] Embodiment 2:

[0029] A wire feeding slot 233 matching the thickness of the wire feeding assembly 3 is provided on the top side of the sliding platform 23, and two sets of third bolt holes 234 communicating with the wire feeding slot 233 are provided on the side wall of the sliding platform 23. An outer fastening bolt 31 is threadedly sleeved in the left third bolt hole 234 and the outer fastening screw hole 33, and an inner fastening bolt 32 is installed between the right third bolt hole 234 and the arc groove 34.

[0030] Among them, the laser welding wire and laser center alignment structure, through the setting of the sliding table 23 and the wire feeding assembly 3 rotating set, can rotate the axial position of the wire feeding assembly 3 with the external fastening bolt 31 as the axis point, thereby adjusting the height of the outer end of the welding wire part 5 and the distance between it and the laser at the outer end of the laser welding head 1, further ensuring the welding accuracy.

[0031] Embodiment 3:

[0032] The clamping sleeve 21 is composed of two groups of arc-shaped plates, and the bottom ends of the two groups of arc-shaped plates are assembled by fastening screws; the fixed platform 22 is an L-shaped seat, and the bottom side of the sliding platform 23 is provided with an L-shaped groove adapted to the shape of the fixed platform 22; the outer side of the fixed platform 22 is threadedly sleeved with a first fastening bolt 221, and the outer end of the first fastening bolt 221 is tightly attached to the outer wall of the sliding platform 23; two groups of second bolt holes 222 are opened on the rear side wall of the fixed platform 22, and the bottom side of the sliding platform 23 is provided with a bolt groove 231 located outside the second bolt hole 222, and the bolt groove 231 is provided with a second fastening bolt 232 threadedly sleeved on the inner side of the second bolt hole 222;

[0033] Among them, the laser welding wire and laser center alignment structure, through the setting of the sliding table 23 and the wire feeding assembly 3 rotating set, can rotate the axial position of the wire feeding assembly 3 with the external fastening bolt 31 as the axis point, thereby adjusting the height of the outer end of the welding wire part 5 and the distance between it and the laser at the outer end of the laser welding head 1, further ensuring the welding accuracy.

[0034] The working principle and use process of the utility model are as follows: before the device is required to work, the sliding distance between the fixed platform 22 and the sliding platform 23 is pre-adjusted so that the welding wire portion 5 and the laser in the laser welding head 1 are in the same vertical plane, and the first fastening bolt 221 and the second fastening bolt 232 are tightened to limit their positions, and then the angle of the wire feeding assembly 3 is rotated to synchronously adjust the height of the outer end of the welding wire portion 5 on the wire feeding assembly 3 and the distance between it and the laser column of the laser welding head 1, and then the adjusted position is limited by the outer fastening bolt 31, and finally the wire feeding tube 4 in the sliding sleeve wire feeding assembly 3 is adjusted to adjust the specific height of its outer end, and then the specific length of the welding wire exposed at the outer end of the welding wire portion 5 is adjusted, and finally the position of the wire feeding tube 4 is limited by the adjusting screw hole 36, so as to achieve the effect of adjusting the position of the welding wire and ensure the accuracy of subsequent welding.

[0035] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A laser welding wire and laser center alignment structure, comprising a laser welding head (1) and a wire feeding tube (4) and a welding wire part (5) obliquely upward thereof; Features: The laser welding head (1) is equipped with a clamping assembly (2), the main body of the clamping assembly (2) is a clamping sleeve (21), a fixed platform (22) is fixedly installed on the top of the clamping sleeve (21), a sliding platform (23) is slidably mounted on the fixed platform (22), and a wire feeding assembly (3) is installed on the top side of the sliding platform (23); The wire feeding assembly (3) is provided with a tube groove (37), a wire feeding tube (4) is slidably mounted in the tube groove (37), a welding wire portion (5) is mounted in the wire feeding tube (4), an adjusting bolt (35) connected to the tube groove (37) is provided on the top side of the wire feeding assembly (3), and the bottom end of the adjusting bolt (35) is tightly attached to the top side of the wire feeding tube (4).

2. A laser welding wire and laser center alignment structure according to claim 1, characterized in that: The wire feeding assembly (3) is an oblique L-shaped block, and an external fastening screw hole (33) and an arc groove (34) are provided at the handle of the wire feeding assembly (3).

3. A laser welding wire and laser center alignment structure according to claim 1, characterized in that: The top side of the sliding platform (23) is provided with a wire feeding slot (233) adapted to the thickness of the wire feeding assembly (3), and the side wall of the sliding platform (23) is provided with two groups of third bolt holes (234) connected to the wire feeding slot (233), the third bolt hole (234) on the left and the external fastening screw hole (33) are threadedly sleeved with an external fastening bolt (31), and an internal fastening bolt (32) is installed between the third bolt hole (234) on the right and the arc groove (34).

4. The laser welding wire and laser center alignment structure according to claim 1, characterized in that: The clamping sleeve (21) is composed of two groups of arc-shaped plates, and the bottom ends of the two groups of arc-shaped plates are assembled by fastening screws.

5. The laser welding wire and laser center alignment structure according to claim 1, characterized in that: The fixed platform (22) is an L-shaped seat, and the bottom side of the sliding platform (23) is provided with an L-shaped groove matching the shape of the fixed platform (22).

6. The laser welding wire and laser center alignment structure according to claim 1, characterized in that: The outer side of the fixed platform (22) is threadedly sleeved with a first fastening bolt (221), and the outer end of the first fastening bolt (221) is tightly attached to the outer wall of the sliding platform (23).

7. The laser welding wire and laser center alignment structure according to claim 1, characterized in that: Two groups of second bolt holes (222) are provided on the rear side wall of the fixed platform (22), a bolt groove (231) located outside the second bolt hole (222) is provided on the bottom side of the sliding platform (23), and a second fastening bolt (232) threadedly mounted inside the second bolt hole (222) is provided in the bolt groove (231).

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