Preheating laser welding device

Abstract

The utility model discloses a preheating laser welding device, which relates to the technical field of laser welding devices, and adopts the technical scheme that the preheating laser welding device comprises a mounting table, a jacking air cylinder is fixedly arranged at the top of the mounting table, a sliding seat is mounted at the output end of the jacking air cylinder, a second Z sliding table is mounted on one side of the sliding seat, and a second XY sliding table is mounted at the bottom of the second Z sliding table; an angle adjusting mechanism is installed at the bottom of the second XY sliding table, a preheating laser unit is fixedly arranged at the bottom of the angle adjusting mechanism, a focal length adjusting sliding table is arranged on one side of the preheating laser unit, a first Z sliding table is installed on one side of the sliding seat, a first XY sliding table is installed at the bottom of the first Z sliding table, and a welding head is installed at the bottom of the first XY sliding table; the welding laser unit is installed on the top of the welding head, welding after solder ball melting is conducted on point positions of products is completed, preheating laser preheats the peripheries of the products in the welding process, it is ensured that tin can flow to the needed positions, the tin welding effect is achieved, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding devices, in particular to a preheating laser welding device. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. Laser welding is one of the important aspects of the application of laser material processing technology. The welding process is a heat conduction type, that is, the laser radiation heats the workpiece surface, and the surface heat diffuses to the inside through heat conduction. By controlling the laser pulse width, energy, peak power, repetition frequency and other parameters, the workpiece is melted to form a specific molten pool.

[0003] The existing laser welding device directly melts the tin material and welds it to the product without preheating, resulting in the tin material not being fully melted, and the welding effect cannot be achieved, which affects the welding efficiency. Utility Model Content

[0004] To this end, the utility model provides a preheating laser welding device to solve the problem that the tin material is not fully melted due to the lack of preheating treatment, the welding effect cannot be achieved, and the welding efficiency is affected.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preheating laser welding device, comprising a mounting table, a lifting cylinder is fixedly provided on the top of the mounting table, a sliding seat is installed on the output end of the lifting cylinder, a second Z slide is installed on one side of the sliding seat, a second XY slide is installed at the bottom of the second Z slide, an angle adjustment mechanism is installed at the bottom of the second XY slide, and a preheating laser unit is fixedly provided at the bottom of the angle adjustment mechanism.

[0006] Preferably, a focus adjustment slide is provided on one side of the preheating laser unit.

[0007] Preferably, a first Z slide is installed on one side of the sliding seat, a first XY slide is installed at the bottom of the first Z slide, a welding head is installed at the bottom of the first XY slide, and a welding laser unit is installed on the top of the welding head.

[0008] Preferably, a ball-distributing motor is installed on one side of the sliding seat.

[0009] Preferably, the mounting platform is slidably connected to the sliding seat.

[0010] The utility model embodiment has the following advantages:

[0011] After the solder balls are melted, the soldering is completed. During the soldering process, a preheating laser is used to preheat the periphery of the product to ensure that the tin can flow to the required position, achieve the effect of tin soldering, and improve soldering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0013] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0014] Figure 1 The utility model provides an overall structural schematic diagram.

[0015] In the figure: 1. Mounting table; 2. Lifting cylinder; 3. Sliding seat; 4. Ball dividing motor; 5. First XY slide; 6. Second XY slide; 7. Angle adjustment mechanism; 8. First Z slide; 9. Welding laser unit; 10. Welding head; 11. Preheating laser unit; 12. Focus adjustment slide; 13. Second Z slide. DETAILED DESCRIPTION

[0016] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] Refer to the attached Figure 1 The utility model provides a preheating laser welding device, comprising a mounting table 1, a lifting cylinder 2 is fixedly provided on the top of the mounting table 1, a sliding seat 3 is installed on the output end of the lifting cylinder 2, a second Z slide 13 is installed on one side of the sliding seat 3, a second XY slide 6 is installed on the bottom of the second Z slide 13, an angle adjustment mechanism 7 is installed on the bottom of the second XY slide 6, a preheating laser unit 11 is fixedly provided on the bottom of the angle adjustment mechanism 7, a focal length adjustment slide 12 is provided on one side of the preheating laser unit 11, and the mounting table 1 is slidably connected to the sliding seat 3;

[0018] In this embodiment, the position of the preheating laser unit 11 on the product is adjusted by another set of second XY slide 6 and second Z slide 13, and the angle position is adjusted by angle adjustment mechanism 7 to reach the position of the preheating laser in two directions of 45° and 55°. Finally, the preheating laser is tilted relative to the product, and the focal length of the preheating laser is adjusted by focal length adjustment slide 12 to reach the required focal length. The welding head 10 reaches the predetermined welding position by adjusting the lifting cylinder 2 and the sliding seat 3;

[0019] Among them, in order to achieve the purpose of welding, the present device adopts the following technical solutions: a first Z slide 8 is installed on one side of the sliding seat 3, a first XY slide 5 is installed at the bottom of the first Z slide 8, a welding head 10 is installed at the bottom of the first XY slide 5, and a welding laser unit 9 is installed on the top of the welding head 10. The relative positions of the welding laser unit 9 and the welding head 10 are adjusted by the first XY slide 5 and the first Z slide 8 to melt the tin ball. The welding laser unit 9 starts to emit light to melt the tin ball on the welding head 10 onto the product, and the molten tin will be scattered within a predetermined range of the product to achieve the welding effect;

[0020] In order to achieve the purpose of ball separation, the device is implemented by the following technical solution: a ball separation motor 4 is installed on one side of the sliding seat 3, and the ball separation is performed by the ball separation motor 4.

[0021] The use process of the utility model is as follows: when using the utility model, the welding laser unit 9 and the preheating laser unit 11 are moved to the position of the product to be welded, the welding head 10 reaches the predetermined welding position through the adjustment of the lifting cylinder 2 and the sliding seat 3, the product position is vertically aligned, the relative position of the welding laser unit 9 and the welding head 10 is adjusted by the first XY slide 5 and the first Z slide 8 to melt the tin ball, and then the position of the preheating laser unit 11 on the product is adjusted by another group of second XY slides 6 and second Z slides 13. The angle position is adjusted by the angle adjustment mechanism 7 to reach the position of the preheating laser in two directions of 45° and 55°. Finally, the preheating laser is tilted relative to the product. The focal length of the preheating laser is achieved by the focal length adjustment slide 12 to achieve the required focal length. In the welding process, the preheating laser unit 11 first emits light to the product. After a certain period of time, the welding laser unit 9 starts to emit light to melt the tin ball on the welding head 10 onto the product, and the molten tin will be scattered within the predetermined range of the product to achieve the welding effect.

[0022] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A preheating laser welding device, comprising a mounting table (1), characterized in that: A lifting cylinder (2) is fixedly provided on the top of the mounting platform (1); a sliding seat (3) is installed on the output end of the lifting cylinder (2); a second Z slide (13) is installed on one side of the sliding seat (3); a second XY slide (6) is installed at the bottom of the second Z slide (13); an angle adjustment mechanism (7) is installed at the bottom of the second XY slide (6); and a preheating laser unit (11) is fixedly provided at the bottom of the angle adjustment mechanism (7).

2. A preheating laser welding device according to claim 1, characterized in that: A focus adjustment slide (12) is provided on one side of the preheating laser unit (11).

3. A preheating laser welding device according to claim 1, characterized in that: A first Z slide (8) is installed on one side of the sliding seat (3), a first XY slide (5) is installed at the bottom of the first Z slide (8), a welding head (10) is installed at the bottom of the first XY slide (5), and a welding laser unit (9) is installed on the top of the welding head (10).

4. A preheating laser welding device according to claim 1, characterized in that: A ball-distributing motor (4) is installed on one side of the sliding seat (3).

5. The preheating laser welding device according to claim 1, characterized in that: The mounting platform (1) is slidably connected to the sliding seat (3).

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