Self-adaptive adjustment welding head of laser welding machine

Abstract

The utility model relates to the field of laser welding, and discloses a self-adaptive adjusting laser welding machine welding head which comprises a laser generator, a laser welding head body is arranged at the bottom end of the laser generator, a connecting support is fixedly connected to the periphery of the laser welding head body, and an adjusting wheel is arranged at the bottom end of the connecting support. A connecting sliding sleeve is slidably connected to the periphery of the laser generator, rotating columns are fixedly connected to the left side and the right side of the connecting sliding sleeve, rotating sleeves are rotatably connected to the peripheries of the rotating columns, elastic assemblies are fixedly connected to the top ends of the rotating sleeves, and a connecting plate is fixedly connected to the top ends of the elastic assemblies. According to the laser welding device, the connecting support, the adjusting wheel, the rotating column and other structures are arranged, when a steel plate moves, the fluctuating position of the steel plate pushes the connecting support to rotate, the laser welding head rotates along with the fluctuating position of the steel plate, and therefore the connecting position is heated more evenly, the welding line quality is high, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding field especially relates to a laser welding machine welding head of adaptive adjustment. BACKGROUND

[0002] Laser welding is an advanced welding technology, it utilizes high energy density laser beam as heat source, the workpiece is heated to melting state quickly, then cools and solidifies, forms firm weld. This method has the advantages of fast welding speed, high efficiency, high weld quality, small heat affected zone, small deformation, can weld refractory materials and easy to realize automation production etc. In the field of automobile parts, microelectronics, powder metallurgy, biomedical and aerospace, laser welding technology has been widely applied, and has brought revolutionary changes to industrial production.

[0003] In order to conveniently weld the steel plate with undulation on the surface, a laser welding machine welding head of adaptive adjustment needs to be used.

[0004] The current laser welding machine welding head is usually directly arranged on the laser welding machine, when the laser welding machine is started, the steel plate to be welded is butt joint placed below the welding head for welding, but some steel plates have undulation on the surface, which causes that the welding head cannot always keep parallel with the connecting part during the welding process, so that the connecting part cannot be uniformly heated, the weld quality of the undulation is affected, and thus the quality of the welded product is affected, therefore, a laser welding machine welding head of adaptive adjustment is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a laser welding machine welding head of adaptive adjustment, aims at improving the problems that the welding head and the undulation of the steel plate cannot keep parallel in the prior art, and affecting the weld quality.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a laser welding machine welding head of adaptive adjustment, including laser generator, the bottom end of laser generator is provided with laser welding head, the outer periphery of laser welding head is fixedly connected with connecting support, the bottom end of connecting support is provided with adjusting wheel, the outer periphery of laser generator is slidably connected with connecting sliding sleeve, both sides of connecting sliding sleeve are fixedly connected with rotating column, the outer periphery of rotating column is rotatably connected with rotating sleeve, the top of rotating sleeve is fixedly connected with elastic component, the top of elastic component is fixedly connected with connecting plate, the inside of connecting plate is provided with sliding groove, the top of connecting sliding sleeve is provided with lifting assembly, the lifting assembly is used for driving laser generator up and down, the top of laser generator is provided with connecting line.

[0007] Further description of the above technical scheme:

[0008] The lifting assembly comprises a rotating support, the bottom end of the rotating support is fixedly connected to the top end of a connecting sliding sleeve, a worm is rotatably connected in the rotating support, a worm wheel is engaged to the left side of the worm, a threaded round block is fixedly connected in the worm wheel, a threaded sleeve is threadedly connected in the threaded round block, and the bottom end of the threaded sleeve is fixedly connected to the top end of a laser generator.

[0009] As a further description of the above technical solution:

[0010] The elastic assembly comprises a sliding column, the bottom end of the sliding column is fixedly connected to the top end of a rotating sleeve, the top end of the sliding column is elastically connected with a sliding sleeve through a limiting spring, and the top end of the sliding sleeve is fixedly connected to the top end inner wall of a sliding groove in a connecting plate.

[0011] As a further description of the above technical solution:

[0012] One end of the limiting spring is fixedly connected to the top end of the sliding column, the other end of the limiting spring is fixedly connected to the top end inner wall of the sliding sleeve, and the sliding column is slidably connected to the inside of the sliding sleeve.

[0013] As a further description of the above technical solution:

[0014] The rotating sleeve is slidably connected to the inside of the sliding groove.

[0015] As a further description of the above technical solution:

[0016] The front face of the worm is fixedly connected with a hand wheel.

[0017] As a further description of the above technical solution:

[0018] The bottom end of the threaded round block is rotatably connected to the top end of the connecting sliding sleeve, and the threaded sleeve is slidably connected to the top end of the connecting sliding sleeve.

[0019] As a further description of the above technical solution:

[0020] The threaded sleeve is slidably connected to the outside of the connecting wire.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a laser welding head, which comprises a connecting support, an adjusting wheel, a rotating column and the like.

[0023] 2. The utility model discloses, through set up worm wheel, worm, threaded column etc. structure, rotate hand wheel makes worm drive worm wheel rotation, the rotation of worm wheel worm is bigger, can more delicate adjustment threaded column's rotation, thereby can accurate adjustment the height of connecting support, can adapt to different thickness's steel sheet, and the applicability is wider. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole front view schematic drawing of the laser welding machine welding head of the self -adaptation adjustment that the utility model proposes;

[0025] Figure 2 It is the connecting plate front section view schematic drawing of the laser welding machine welding head of the self -adaptation adjustment that the utility model proposes;

[0026] Figure 3 It is the connecting sliding sleeve front section view schematic drawing of the laser welding machine welding head of the self -adaptation adjustment that the utility model proposes;

[0027] Figure 4 It is the connecting sliding sleeve top surface schematic drawing of the laser welding machine welding head of the self -adaptation adjustment that the utility model proposes.

[0028] LEGEND:

[0029] 1, laser generator;2, laser welding head;3, connecting support;4, adjusting wheel;5, connecting sliding sleeve;6, rotating column;7, rotating sleeve;8, sliding column;9, limit spring;10, sliding sleeve;11, connecting plate;12, sliding groove;13, connecting line;14, threaded sleeve;15, threaded round block;16, worm wheel;17, worm;18, rotating support;19, hand wheel. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] REFERENCE Figures 1-2The utility model provides an embodiment: a kind of self-adapting laser welding machine welding head, including the laser generator 1 for generating laser, laser generator 1 bottom end is provided with laser welding head 2, laser welding head 2 can gather and emit out, to reach the effect of welding, laser welding head 2 outer periphery is fixedly connected with the connecting support 3 of connection support function, connecting support 3 is set as A letter type, adjusting wheel 4 is provided at the bottom of connecting support 3, adjusting wheel 4 is provided with four groups, annular equidistance is arranged at the four corners of connecting support 3, laser generator 1 outer periphery is slidably connected with connecting sliding sleeve 5, connecting sliding sleeve 5 limits that laser generator 1 can only slide up and down on the inner wall of connecting sliding sleeve 5, connecting sliding sleeve 5 left and right sides are fixedly connected with rotating column 6, rotating column 6 outer periphery is rotatably connected with rotating sleeve 7, rotating sleeve 7 can reduce the rotating friction of rotating column 6, rotating sleeve 7 top end is fixedly connected with elastic component.

[0032] Referring to Figures 1-2 , elastic component includes the sliding column 8 of fixed connection, sliding column 8 bottom end is fixedly connected at the top of rotating sleeve 7, sliding column 8 top end is elastically connected with sliding sleeve 10 by limit spring 9, when sliding column 8 is not under stress, limit spring 9 will push sliding column 8 movement downward, limit spring 9 one end is fixedly connected at the top of sliding column 8, limit spring 9 other end is fixedly connected on the inner wall on the top of sliding sleeve 10, sliding column 8 outer periphery is slidably connected in the inside of sliding sleeve 10, sliding sleeve 10 limits that sliding column 8 can only slide up and down on the inner wall of sliding sleeve 10, elastic component top end is fixedly connected with the connecting plate 11 of fixed connection, connecting plate 11 is connected with laser welding machine by bolt, sliding groove 12 is set in the inside of connecting plate 11, sliding sleeve 10 top end is fixedly connected on the inner wall on the top of sliding groove 12 in the inside of connecting plate 11, rotating sleeve 7 outer periphery is slidably connected in the inside of sliding groove 12, sliding groove 12 limits that rotating sleeve 7 can only slide up and down on the inner wall of sliding groove 12, connecting sliding sleeve 5 top end is provided with lifting assembly, lifting assembly is used to drive laser generator 1 up and down, laser generator 1 top end is provided with connecting line 13, connecting line 13 is connected with laser welding machine, for conveying the energy required by laser generator 1.

[0033] Referring to Figures 3-4The lifting assembly comprises a rotating support 18 fixedly connected at the top end of the connecting sliding sleeve 5, a worm 17 rotatably connected inside the rotating support 18, a hand wheel 19 fixedly connected to the front face of the worm 17 for facilitating rotation, a worm wheel 16 engaged with the left side of the worm 17, the worm 17 being capable of slowly rotating the worm wheel 16, a threaded round block 15 fixedly connected inside the worm wheel 16, the threaded round block 15 being rotatably connected at the top end of the connecting sliding sleeve 5, a threaded sleeve 14 threadedly connected inside the threaded round block 15, the threaded round block 15 being capable of driving the threaded sleeve 14 to move up and down, the threaded sleeve 14 being perpendicularly and slidably connected at the top end of the connecting sliding sleeve 5, the threaded sleeve 14 being fixedly connected at the top end of the laser generator 1, and the threaded sleeve 14 being slidably connected at the outer periphery of the connecting wire 13 to protect the connecting wire 13 and drive the connecting wire 13 to move up and down by driving the laser generator 1 to move up and down.

[0034] When it is desired to keep the laser welding head 2 and the connecting seam as parallel as possible, the connecting part of the two steel plates is placed at the bottom of the laser welding head 2, and the adjusting wheel 4 is brought into contact with the steel plate, the laser generator 1 is turned on, and the steel plate is pushed forward, the steel plate moves forward, the laser emitted by the laser welding head 2 welds the connecting part, and at the same time, the undulations on the surface of the steel plate drive the front end of the connecting support 3 to be raised by the adjusting wheel 4, the connecting support 3 drives the laser generator 1 to rotate and move upward, the connecting support 3 drives the connecting sliding sleeve 5 to rotate and move upward, the connecting sliding sleeve 5 drives the rotating column 6 to rotate inside the rotating sleeve 7, and at the same time, the rotating column 6 drives the rotating sleeve 7 to move upward, the rotating sleeve 7 drives the sliding column 8 to move upward inside the sliding sleeve 10, the sliding column 8 compresses the limiting spring 9, and the laser welding head 2 rotates along the surface of the steel plate, so that the connecting part is heated more uniformly, and the weld quality is higher. When it is desired to adjust the height of the rotating support 18, the steel plate is placed on the laser welding machine, the hand wheel 19 is rotated, the hand wheel 19 drives the worm 17 to rotate, the worm 17 drives the worm wheel 16 to rotate, the worm wheel 16 drives the threaded round block 15 to rotate, the threaded round block 15 drives the threaded sleeve 14 to move downward, the threaded sleeve 14 drives the laser generator 1 to move downward, the laser generator 1 drives the connecting support 3 to move downward, and the connecting support 3 drives the adjusting wheel 4 to move downward, so that the adjusting wheel 4 is in contact with the top surface of the steel plate, thereby enabling the laser welding head 2 to weld steel plates of different thicknesses.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A self-adjusting laser welding head of a laser welding machine, comprising a laser generator (1), characterized in that: The laser generator (1) bottom end is provided with laser welding head (2), the laser welding head (2) outer periphery fixedly connected with connecting bracket (3), the connecting bracket (3) bottom end is provided with adjusting wheel (4), the laser generator (1) outer periphery slidingly connected with connecting sliding sleeve (5), the connecting sliding sleeve (5) left and right sides are both fixedly connected with rotating column (6), the rotating column (6) outer periphery rotationally connected with rotating sleeve (7), the rotating sleeve (7) top end fixedly connected with elastic component, the elastic component top end fixedly connected with connecting plate (11), the connecting plate (11) inside is provided with sliding slot (12), the connecting sliding sleeve (5) top end is provided with lifting assembly, the lifting assembly is used to drive laser generator (1) up and down, the laser generator (1) top end is provided with connecting line (13).

2. The self-adjusting laser welder horn of claim 1, wherein: The lifting assembly includes rotating bracket (18), the rotating bracket (18) bottom end is fixedly connected at the top of connecting sliding sleeve (5), the rotating bracket (18) is rotatably connected with worm (17) in the inside, the worm (17) left side is engaged with worm wheel (16), the worm wheel (16) is fixedly connected with threaded round block (15) in the inside, the threaded round block (15) is screwedly connected with threaded sleeve (14) in the inside, the threaded sleeve (14) bottom end is fixedly connected at the top of laser generator (1).

3. The self-adjusting laser welder horn of claim 1, wherein: The elastic component includes sliding column (8), the sliding column (8) bottom end is fixedly connected at the top of rotating sleeve (7), the sliding column (8) top end is elastically connected with sliding sleeve (10) through limiting spring (9), the sliding sleeve (10) top end is fixedly connected on the top inner wall of sliding slot (12) in the connecting plate (11) inside.

4. The self-adjusting laser welder horn of claim 3, wherein: One end of the limiting spring (9) is fixedly connected at the top of the sliding column (8), the other end of the limiting spring (9) is fixedly connected on the top inner wall of the sliding sleeve (10), the sliding column (8) is slidingly connected in the sliding sleeve (10).

5. The self-adjusting laser welder horn of claim 1, wherein: The rotating sleeve (7) is slidingly connected in the sliding slot (12).

6. The self-adjusting laser welder horn of claim 2, wherein: The worm (17) is fixedly connected with hand wheel (19) on the front face.

7. The self-adjusting laser welder horn of claim 2, wherein: The threaded round block (15) bottom end is rotatably connected at the top of connecting sliding sleeve (5), the threaded sleeve (14) is slidingly connected at the top of connecting sliding sleeve (5) and penetrates the outer periphery.

8. The self-adjusting laser welder horn of claim 2, wherein: The threaded sleeve (14) is slidingly connected in the outer periphery of connecting line (13).

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