Laser welding device

Abstract

The utility model discloses a laser welding device, and belongs to the technical field of laser equipment. The laser welding device comprises a laser welding gun body, an adjusting box is arranged at the bottom of the laser welding gun body, a sliding groove is formed in the bottom of the adjusting box, the laser welding device further comprises a threaded rod rotationally arranged in the adjusting box, and the two ends of the threaded rod are rotationally connected with the side walls of the two ends of the adjusting box correspondingly; one end of the threaded rod penetrates through the adjusting box and extends out of the adjusting box, and the threaded rod is in threaded connection with two adjusting plates. The threaded rod is matched with the adjusting plate, so that the wire feeding pipe and the wire guiding pipe can be adjusted left and right, the position between a welding wire and a laser beam of a welding gun is adjusted, and the problems of poor welding wire heating effect and low welding efficiency caused by left-right deviation are solved; the adjustment can be carried out in time according to actual conditions when welding work is carried out, welding does not need to be suspended, and using is very convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser equipment technical field especially relates to a laser welding device. BACKGROUND

[0002] The laser welding gun is a kind of equipment using laser beam to weld, and laser beam can be accurately controlled, so that the welding point is small, and heat-affected zone is small, which meets the welding of micro parts and high-precision requirements.The laser welding gun is usually equipped with welding wire and wire feeder, and its working principle is that wire feeder cooperates with the wire feeding pipe and guide pipe on the welding gun to continuously feed welding wire to the position below the gun head, aligns the head of welding wire with the weld position, and laser energy is gathered on the welding wire below the gun head, when laser beam irradiates the surface of welding wire, it will interact with material, produce heat effect, so that material is locally heated and melted, and the melted welding wire gathers at the weld to form a molten pool, along with the movement of laser beam along the predetermined track, the molten pool moves and cools and solidifies, so as to form a firm welded joint between materials.

[0003] The wire feeder continuously feeds welding wire outward, and the welding wire is continuously output to the position below the gun head of the welding gun along the wire feeding pipe and guide pipe, so that the welding gun can continuously work, and the wire feeding mechanism can be adjusted in angle up and down to facilitate adjusting the gun head of the welding gun, to ensure that the laser beam of the welding gun can be aligned with the welding wire.

[0004] The existing laser welding gun can adjust the angle of wire feeding mechanism up and down during welding process, and then adjust the angle between welding wire and laser beam, but cannot be adjusted left and right, when welding wire appears bending or left and right inclination, and there is horizontal deviation between welding wire and laser beam, it cannot be adjusted immediately according to actual situation, so that welding wire cannot always keep in the best heating area of laser beam, which will cause poor heating effect and slow welding efficiency, so there is inconvenience in use. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that welding wire cannot be adjusted left and right in prior art, and provides a laser welding device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of laser welding device, including laser welding gun body, laser welding gun body bottom is provided with adjusting box, the bottom of adjusting box is provided with sliding slot, further including: threaded rod rotationally arranged in adjusting box, wherein the both ends of threaded rod are rotationally connected with the both end side walls of adjusting box, one end of threaded rod penetrates adjusting box and extends to the outside of adjusting box, two adjusting plates are threadedly connected on threaded rod;Fixed shaft is fixedly connected between the two adjusting plates, fixed shaft is sleeved with fixing piece, fixing piece is provided with wire feeding pipe, wire feeding pipe is provided with guide tube.

[0008] In order to facilitate the rotation of the threaded rod, preferably, the threaded rod is sleeved with a bearing.

[0009] In order to facilitate the fixation of the bearing and reduce the friction between the threaded rod and the adjusting box during rotation, further, the bearing penetrates one end of the side wall of the adjusting box, and the outer ring of the bearing is fixedly connected with the side wall of the adjusting box, and the threaded rod extends to the outside of the adjusting box through the bearing.

[0010] In order to facilitate the rotation operation of the threaded rod during use, preferably, the end of the threaded rod outside the adjusting box is fixedly connected with a knob.

[0011] In order to facilitate the back and forth sliding of the adjusting plate in the adjusting box, preferably, the adjusting plate comprises a plate body and a protrusion fixedly connected to the top end of the plate body, and the size of the protrusion matches the sliding slot.

[0012] In order to facilitate the horizontal movement of the adjusting plate on the threaded rod along the setting direction of the threaded rod, further, a threaded sleeve is provided on the protrusion, the outer ring of the threaded sleeve is fixedly connected with the protrusion, and the adjusting plate is threadedly connected with the threaded rod through the threaded sleeve.

[0013] Compared with the prior art, the utility model provides a kind of laser welding device, with the following beneficial effects:

[0014] 1、In the utility model, the wire feeding pipe box guide tube can be adjusted horizontally left and right, so in the use process, in addition to the welding wire can be adjusted up and down based on the prior art, the welding wire can also be adjusted left and right, so that the welding wire can be in the best heating area of laser beam, and the welding efficiency is improved;

[0015] 2、In the utility model, when adjusting the wire feeding pipe and the guide tube left and right, it is not necessary to disassemble, and welding work can not be paused, and it can be adjusted in time according to actual situation during welding process, which is very convenient to use.

[0016] The part not involved in the device is same as or can be realized by the prior art, the welding wire pipe and the wire guide pipe can be adjusted left and right, and the position between the welding wire and the laser beam of the welding gun is adjusted, the problems of poor welding wire heating effect and low welding efficiency caused by left and right deviation are avoided, meanwhile, the adjustment can be adjusted in time according to the actual situation during the welding work, welding does not need to be paused, and the device is very convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of overall structure schematic diagram of laser welding device;

[0018] Figure 2 The utility model provides a kind of adjusting box, threaded rod and adjusting plate connecting structure schematic diagram of laser welding device of the utility model;

[0019] Figure 3 The utility model provides a kind of adjusting box schematic diagram of laser welding device;

[0020] Figure 4 The utility model provides a kind of adjusting plate structure schematic diagram of laser welding device;

[0021] Figure 5 It is the schematic diagram of prior laser welding gun structure.

[0022] In the drawing: 1, laser welding gun body;2, adjusting box;201, sliding groove;3, bearing;4, threaded rod;401, knob;5, threaded sleeve;6, adjusting plate;601, convex part;7, fixed shaft;8, fixed piece;9, welding wire pipe;10, wire guide pipe. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0025] Embodiment:

[0026] Reference Figure 1 -Figure 4 The utility model provides a laser welding device, including laser welding gun body 1, laser welding gun body 1 bottom is provided with the adjusting box 2, still include: the threaded rod 4 of rotation setting in the adjusting box 2, wherein, the both ends of threaded rod 4 are rotatedly connected with the both end side wall of adjusting box 2, and one end of threaded rod 4 penetrates adjusting box 2 and extends to the outside of adjusting box 2, the bottom of adjusting box 2 is provided with the sliding slot 201, and two adjusting plates 6 are screw connected on threaded rod 4, and adjusting plate 6 includes the plate body and the convex part 601 of fixedly connected at the top of plate body, and the size of convex part 601 is matched with sliding slot 201, and threaded sleeve 5 is penetrated on convex part 601, and the outer ring of threaded sleeve 5 is fixedly connected with convex part 601, and adjusting plate 6 is screw connected with threaded rod 4 through threaded sleeve 5.When threaded rod 4 rotates around the axis, adjusting plate 6 cannot rotate synchronously due to the limitation of sliding slot 201, at this moment, based on the screw pair principle, adjusting plate 6 will move horizontally along the axial direction of threaded rod 4 when threaded rod 4 rotates around the axis due to the screw engagement relationship between adjusting plate 6 and threaded rod 4.

[0027] Wherein, the fixed shaft 7 of fixedly connected between two adjusting plates 6, the fixed part 8 of sleeveing of fixed shaft 7, the wire feeding pipe 9 of being provided with on fixed part 8, the wire guide pipe 10 of being provided with on wire feeding pipe 9, and wire feeding pipe 9 and wire guide pipe 10 are all the prior art of laser welding gun, and here is not repeated, because wire feeding pipe 9 is installed between two adjusting plates 6 through fixed shaft 7, so it will move synchronously with two adjusting plates 6.

[0028] In addition, referring to Figure 2 And Figure 3 The bearing 3 of sleeveing of threaded rod 4. The end side wall of bearing 3 penetrates adjusting box 2, and the outer ring of bearing 3 is fixedly connected with the side wall of adjusting box 2, and threaded rod 4 extends to the outside of adjusting box 2 through bearing 3. The knob 401 of fixedly connected of threaded rod 4 located at the end of adjusting box 2 outside. When rotating knob 401, threaded rod 4 rotates synchronously with knob 401, because the outer ring of bearing 3 is fixedly connected with adjusting box 2, the inner ring of bearing 3 is sleeveing on threaded rod 4, and the inside of bearing 3 usually contains rolling elements such as ball or roller, and these rolling elements roll between the inner and outer rings, so as to greatly reduce the frictional resistance, so that it is more easy and labor-saving to rotate, and it can also be easily operated in the welding process.

[0029] The working principle is as follows: when welding is carried out by using the laser welding device in the utility model, first, the up-down angle of the wire feeding pipe 9 and the wire guide pipe 10 is adjusted, which is prior art and will not be repeated here; then, according to the angle between the welding wire and the laser beam of the laser welding gun body 1, the knob 401 is rotated, the knob 401 drives the threaded rod 4 to rotate synchronously, the two adjusting plates 6 installed on the threaded rod 4 move horizontally along the axial direction of the threaded rod 4, and the wire feeding pipe 9 and the wire guide pipe 10 are driven to move horizontally by the fixing member 8, so that the welding wire outside the pipe opening of the wire guide pipe 10 is adjusted left and right, when the adjustment is to the appropriate position, welding is started, and in the use process, if the welding wire deviates left and right, the knob 401 can be rotated left and right to make fine adjustment, so that the welding wire can be ensured to be located in the best heating area of the laser beam at all times, so that the heating effect is ensured and the welding efficiency is improved.

[0030] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A laser welding device, comprising a laser welding gun body (1), the bottom of the laser welding gun body (1) is provided with an adjusting box (2), the bottom of the adjusting box (2) is provided with a sliding groove (201), characterized in that, Also include: Rotary threaded rod (4) arranged in the adjusting box (2), Wherein, the two ends of the threaded rod (4) are respectively connected with the two end side walls of the adjusting box (2), one end of the threaded rod (4) penetrates the adjusting box (2) and extends to the outside of the adjusting box (2), and two adjusting plates (6) are threadedly connected on the threaded rod (4); The fixed shaft (7) is fixedly connected between the two adjusting plates (6), Wherein, the fixed shaft (7) is sleeved with a fixing piece (8), the fixing piece (8) is provided with a wire feeding pipe (9), and the wire feeding pipe (9) is provided with a wire guide pipe (10).

2. A laser welding apparatus according to claim 1, wherein The threaded rod (4) is sleeved with a bearing (3).

3. A laser welding apparatus according to claim 2, wherein The bearing (3) penetrates one end side wall of the adjusting box (2), and the outer ring of the bearing (3) is fixedly connected with the side wall of the adjusting box (2), and the threaded rod (4) extends to the outside of the adjusting box (2) through the bearing (3).

4. The laser welding apparatus of claim 1, wherein The end of the threaded rod (4) outside the adjusting box (2) is fixedly connected with a knob (401).

5. The laser welding apparatus of claim 1, wherein The adjusting plate (6) comprises a plate body and a convex portion (601) fixedly connected to the top end of the plate body, and the size of the convex portion (601) matches the sliding groove (201).

6. A laser welding apparatus according to claim 5, wherein The threaded sleeve (5) is provided on the convex portion (601), the outer ring of the threaded sleeve (5) is fixedly connected with the convex portion (601), and the adjusting plate (6) is threadedly connected with the threaded rod (4) through the threaded sleeve (5).

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