CN217913405U

CN217913405U - Laser welding machine

Info

Publication number: CN217913405U
Application number: CN202221332618.4U
Authority: CN
Inventors: 周建喜
Original assignee: Foshan Nanhai Yingjiwei Aluminum Building Material Co ltd
Current assignee: Foshan Nanhai Yingjiwei Aluminum Building Material Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-29
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a laser welding machine, it has the upper and lower, control and the fore-and-aft direction of mutual quadrature, include: the welding gun is provided with a welding port, and the welding port is arranged downwards; the air blower is provided with an air outlet which is arranged downwards, and the air outlet is arranged adjacent to the welding port. Before welding, the air blower discharges quantitative air through the air outlet, so that the surface of a workpiece to be processed is cleaned, and the tendency of air holes is reduced; in addition, after welding, the air blower can also discharge quantitative air through the air outlet so as to blow air in the liquid molten pool, so that directional auxiliary air flow is formed in the liquid molten pool, and the generation of air holes is reduced; and because the air outlet and the welding port are adjacent and are arranged downwards, the air blower can synchronously realize the air outlet operation during welding, and the generation of air holes is reduced as far as possible before the molten material is solidified.

Description

Laser welding machine

Technical Field

The utility model relates to a welded field, especially a laser welding machine.

Background

The laser welding principle is as follows: the active medium is excited by a specific method to oscillate back and forth in the resonant cavity and further converted into an excited radiation beam, when the beam and the workpiece are contacted with each other, the energy of the beam is absorbed by the workpiece, and when the temperature reaches the melting point of the material, the welding can be carried out.

However, in actual welding, bubbles are likely to occur at the welding position, which results in poor interface stability in welding.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a laser welding machine is provided to solve a problem in the prior art.

The utility model provides a solution of its technical problem is:

a laser welder having mutually orthogonal up-down, left-right, and front-back directions, comprising: the welding gun is provided with a welding port, and the welding port is arranged downwards; the air blower is provided with an air outlet, the air outlet is arranged downwards, and the air outlet is adjacent to the welding port.

Before welding, the air blower discharges quantitative air through the air outlet, so that the surface of a workpiece to be processed is cleaned, and the tendency of air holes is reduced; in addition, after welding, the air blower can also discharge quantitative air through the air outlet, so that the air blowing operation is performed in the liquid molten pool, and directional auxiliary air flow is formed in the liquid molten pool, thereby reducing the generation of air holes; and because the air outlet and the welding mouth are adjacent and set up downwards, also can make the operation that the air blower realized the air-out in step when the welding, reduce the production of gas pocket as far as before the melt solidifies, strengthen the connection stability of welding interface.

As a further improvement of the above technical solution, the air blower includes: the air outlet is positioned at the bottom end of the air blowing cylinder; the fan is connected in the air blowing cylinder; the heating piece is connected in the air blowing cylinder and positioned between the fan and the air outlet; the power, the power connect in a section of thick bamboo of blowing, the power with generate heat a electric connection.

Before actual welding, the power supply and the heating part are in a conducting state, air blown out by the fan can blow towards the heating part, so that hot air is blown out of the air outlet, the hot air blows towards the connecting position of the workpiece to be machined, the connecting position of the workpiece to be machined is preheated, the temperature difference between the workpiece to be machined and a welding material is reduced, a small contraction force is generated between the complete solidification of a welding seam, and the generation of cracks is reduced; in addition, the hot air can clean dust on the surface of the workpiece to be processed, so that the tendency of air holes is reduced; finally, the air blower can synchronously realize air outlet operation while welding, and the generation of air holes is reduced as far as possible before the molten material is solidified.

As a further improvement of the technical scheme, the welding gun further comprises a swinging mechanism, wherein the swinging mechanism is provided with a swinging shaft, the swinging shaft is rotatably connected to the outer side wall of the welding gun along the horizontal direction, and the air blower is connected to the swinging shaft.

Because the connecting positions of the workpieces to be processed are different, the air blower can be rotated as required before and during welding, so that the air blower swings around the swing shaft, and the connecting position of the air outlet facing the workpieces to be processed is changed.

As a further improvement of the above technical solution, the swing mechanism includes: the fixing frame is connected to the outer side wall of the welding gun, the swinging shaft is rotatably connected to the fixing frame along the horizontal direction, and an arc-shaped groove is formed in the fixing frame and is positioned below the swinging shaft; and one end of the swing bolt is connected to the outer side wall of the air blower, and the other end of the swing bolt slides along the arc-shaped groove.

The swing bolt slides in the arc-shaped groove on the fixed frame, the maximum swing angle of the air blower is limited through the arc-shaped groove, and the air outlet range of the air blower is limited.

As a further improvement of the above technical solution, the other end of the swing bolt extends out of the arc-shaped groove, and the swing mechanism further includes a swing nut, which is in threaded connection with the other end of the swing bolt.

Swing nut screws on swing bolt to the relative position of injecing swing bolt and arc wall, and then injecing the relative position of weld joint and air outlet, when the welding, the workman only needs the one-hand welding gun of holding just can lift up welding gun and air blower in step, thereby the workman's operation of being convenient for.

As a further improvement of the technical scheme, the welding gun further comprises a connecting mechanism, the fixed frame is connected to the outer side wall of the welding gun through the connecting mechanism, and the welding gun is detachably connected with the connecting mechanism.

The internals of welding rifle probably need regularly to overhaul and change, sets up welding rifle and the coupling mechanism that can dismantle the connection, and the workman of being convenient for overhauls welding rifle.

As a further improvement of the above technical solution, the connection mechanism includes: the connecting plate is connected with the fixing frame, and the welding gun penetrates through the connecting plate; the connecting block, the connecting block connect in the lateral wall of welding rifle, the connecting block with the mutual joint of connecting plate.

The connecting plate is worn to establish by the welding rifle and makes the connecting block joint on the connecting plate to make the welding rifle connect in the connecting plate, above-mentioned connected mode is comparatively simple, the workman's operation of being convenient for.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a schematic view of the overall structure of the laser welding machine of the present invention;

FIG. 2 is a front view of the laser welding machine of the present invention;

fig. 3 is a cross-sectional view of the laser welding machine of the present invention.

In the figure, 1, a welding gun; 11. welding the opening; 2. a blower; 21. a blowing cylinder; 211. an air outlet; 22. a fan; 23. a heat generating member; 24. a power source; 3. a swing mechanism; 31. a swing shaft; 32. a fixed mount; 321. a first fixing plate; 3211. fixing the bolt; 3212. fixing a nut; 322. a fixing rod; 323. a second fixing plate; 3231. an arc-shaped slot; 33. swinging the bolt; 34. swinging the nut; 4. a connecting mechanism; 41. a connecting plate; 411. connecting holes; 412. a clamping hole; 42. and (4) connecting the blocks.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The technical characteristics in the invention can be combined interactively on the premise of not conflicting with each other.

Referring to fig. 1 to 3, the present invention provides a laser welding machine, which comprises:

a laser welding machine having mutually orthogonal up-down, left-right and front-back directions, comprising a welding gun 1, wherein the welding gun 1 is of the prior art, the welding gun 1 extends in the up-down direction, the bottom of the welding gun 1 has a welding port 11, and the welding port 11 is arranged toward the lower side.

Still including the air blower 2 of adjacent setting, air blower 2 connects in the lateral wall of welding gun 1, and air blower 2's bottom has air outlet 211, and air outlet 211 sets up with welding mouthful 11 is adjacent, and air outlet 211 sets up below.

Before welding, the air blower 2 discharges a certain amount of air through the air outlet 211, so that the surface of a workpiece to be processed is cleaned, and the tendency of air holes is reduced; in addition, after welding, the air blower 2 can also discharge a certain amount of air through the air outlet 211 so as to blow air into the liquid molten pool, so that a directional auxiliary air flow is formed in the liquid molten pool, and the generation of air holes is reduced; and because the air outlet 211 is adjacent to the welding port 11 and is arranged downwards, the air blower 2 can synchronously realize the air outlet operation during welding, and the generation of air holes is reduced as far as possible before the melting material is solidified.

In the present embodiment, the blower 2 includes a blowing cylinder 21, a blower 22, a heating element 23 and a power supply 24, and more specifically, two ends of the blowing cylinder 21 are communicated with each other, that is, the top of the blowing cylinder 21 is communicated with the outside, the blowing cylinder 21 is connected with the outer side wall of the welding gun 1, the bottom end of the blowing cylinder 21 is an air outlet 211, and the air outlet 211 is higher than the welding port 11; the fan 22 is fixed on the inner side wall of the blowing cylinder 21, the fan 22 and the blowing cylinder 21 are coaxially arranged, the fan 22 is positioned above the air outlet 211, and the bottom end of the blowing cylinder 21 is provided with the air outlet 211; the heating element 23 is connected in the blowing tube 21, the heating element 23 is positioned between the fan 22 and the air outlet 211, and more specifically, the heating element 23 is a plurality of heating wires which are connected to the inner side wall of the blowing tube 21 at intervals along the horizontal direction; the power supply 24 is connected to the blowing tube 21, the power supply 24 is electrically connected to the heating element 23, more specifically, the power supply 24 is electrically connected to the plurality of heating wires, the power supply 24 controls the plurality of heating wires to be powered on and powered off, and the fan 22 may be provided with a small motor.

Before actual welding, the power supply 24 and the heating part 23 are in a conducting state, and then the air blown out by the fan 22 can blow towards the heating part 23, so that hot air is blown out from the air outlet 211, the hot air is blown towards the connecting position of the workpiece to be machined, the connecting position of the workpiece to be machined is preheated, the temperature difference between the workpiece to be machined and a welding material is reduced, a small contraction force is generated between complete solidification of a welding seam, and generation of cracks is reduced; in addition, the hot air can clean dust on the surface of the workpiece to be processed, so that the tendency of air holes is reduced; finally, the air blower 2 can synchronously realize air outlet operation while welding, and the generation of air holes is reduced as far as possible before the molten material is solidified.

In the present embodiment, the swing mechanism 3 is further included, the swing mechanism 3 has a swing shaft 31, the swing shaft 31 is horizontally disposed, the swing shaft 31 is rotatably connected to the outer side wall of the welding gun 1 in the horizontal direction, the blower 2 is connected to the swing shaft 31, more specifically, the outer side wall of the blowing cylinder 21 is connected to the swing shaft 31, and the blower 22 can swing around the swing shaft 31.

Because the connecting positions of the workpieces to be processed are not consistent, the air blower 2 can be rotated as required before and during welding, so that the air blower 2 swings around the swing shaft 31, and the connecting position of the air outlet 211 facing the workpieces to be processed is changed.

In this embodiment, the swing mechanism 3 includes a fixed frame 32 and swing bolts 33, and more specifically, the fixed frame 32 includes a first fixing plate 321, fixing rods 322 and a second fixing plate 323, the first fixing plate 321 is disposed along the up-down direction, the first fixing plate 321 is connected to the outer side wall of the welding gun 1, the fixing rods 322 and the second fixing plate 323 are disposed along the horizontal direction, both the fixing rods 322 and the second fixing plate 323 are disposed two, both the fixing rods 322 are parallel to each other and have a distance therebetween, both the second fixing plates 323 are parallel to each other and have a distance therebetween, both the fixing rods 322 are disposed above the two second fixing plates 323, the blowing cylinder 21 is disposed between the two fixing rods 322 and between the two second fixing plates 323, the two corresponding swing shafts 31 are disposed two, both the two swing shafts 31 are rotatably connected to the fixing rods 322 along the horizontal direction, both the arc grooves 31 are disposed on the two second fixing plates 323, the arc grooves 3231 extend along the horizontal direction, the arc grooves 3231 are disposed in a C shape, and the arc grooves 3231 protrude downward, two corresponding swing bolts 33 are disposed corresponding to the two swing bolts 3231, one end of the swing bolt 3231 is connected to one end of the swing bolt 3233, and the other end of the sliding groove 3231 extends along the sliding groove 3231.

In this embodiment, the other end of the swing bolt 33 extends out of the arc-shaped groove 3231, and the swing mechanism 3 further includes two swing nuts 34, more specifically, the two swing nuts 34 are respectively corresponding to the two swing bolts 33, and the swing nuts 34 are screwed to the other end of the swing bolt 33 and abut against the corresponding second fixing plate 323.

The swing nut 34 is screwed on the swing bolt 33, so that the relative positions of the swing bolt 33 and the arc-shaped groove 3231 and the relative positions of the welding port 11 and the air outlet 211 are defined, and when welding, a worker can lift the welding gun 1 and the air blower 2 synchronously only by holding the welding gun 1 with one hand, so that the operation of the worker is facilitated.

In this embodiment, a connection mechanism 4 is further included, the connection mechanism 4 is connected between the fixed frame 32 and the outer side wall of the welding gun 1, more specifically, the first fixing plate 321 is connected with the outer side wall of the welding gun 1 through the connection mechanism 4, and the welding gun 1 is detachably connected with the connection mechanism 4.

In this embodiment, coupling mechanism 4 includes connecting plate 41 and connecting block 42, mount 32 is connected with connecting plate 41, connecting plate 41 is worn to locate by the one end that welding gun 1 is close to welding mouth 11, connecting block 42 is fixed in welding gun 1's lateral wall, connecting block 42's side is the trapezoidal structure of falling, connecting block 42 and the mutual joint of connecting plate 41, more specifically, the top of first fixed plate 321 is connected with fixing bolt 3211, fixing bolt 3211 sets up along the upper and lower direction, fixing bolt 3211's top is worn to establish connecting plate 41 and is stretched out the top surface of connecting plate 41, thereby can change welding gun 1 and the relative position of section of thick bamboo 21 of blowing through rotating fixing bolt 3211, fixing bolt 3211's top threaded connection has fixation nut 3212, fixation nut 3212 offsets with the top surface of connecting plate 41, set up the connecting hole 411 that supplies welding gun 1 to wear to establish on the connecting plate 41, be provided with the joint hole 412 that supplies connecting block 42 joint, joint hole 412 communicates with connecting hole 411 each other.

When the laser welding machine is used, the power supply 24 and the heating piece 23 are in a power-on state, the air outlet 211 blows hot air when the fan 22 blows the air to the heating piece 23, the hot air blows to a workpiece to be machined, the welding position of the workpiece to be machined is preheated, the contraction force generated by a welding seam between complete solidification is reduced, cracks can be reduced, in addition, dust on the surface of the workpiece to be machined can be blown away in the process, the tendency of air holes is reduced, finally, the power supply 24 and the heating piece 23 are in a disconnection state during welding, cold air blown out from the air outlet 211 blows to a molten pool, and the cold air forms auxiliary air flow in a certain direction, so that the number of the air holes is reduced.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are to be included within the scope of the present invention defined by the claims.

Claims

1. A laser welding machine having mutually orthogonal up-down, left-right, and front-back directions, comprising:

the welding gun (1), the welding gun (1) has a welding port (11), and the welding port (11) is arranged downwards;

the air blower (2), air blower (2) has air outlet (211), air outlet (211) sets up down, air outlet (211) with welding mouth (11) adjacent setting.

2. Laser welding machine according to claim 1, characterized in that said blower (2) comprises:

the air blowing barrel (21), wherein the air outlet (211) is positioned at the bottom end of the air blowing barrel (21);

the fan (22), the said fan (22) is connected to the said barrel of blowing (21);

the heating piece (23) is connected into the air blowing tube (21) and positioned between the fan (22) and the air outlet (211);

the power supply (24), the power supply (24) connect in the section of thick bamboo of blowing (21), power supply (24) with generate heat piece (23) electric connection.

3. The laser welding machine according to claim 1, characterized by further comprising a swing mechanism (3), wherein the swing mechanism (3) is provided with a swing shaft (31), the swing shaft (31) is rotatably connected to the outer side wall of the welding gun (1) along a horizontal direction, and the air blower (2) is connected to the swing shaft (31).

4. A laser welding machine according to claim 3, characterized in that said oscillating mechanism (3) comprises:

the fixing frame (32) is connected to the outer side wall of the welding gun (1), the swinging shaft (31) is rotatably connected to the fixing frame (32) along the horizontal direction, and an arc-shaped groove (3231) is formed in the fixing frame (32) and is positioned below the swinging shaft (31);

one end of the swing bolt (33) is connected to the outer side wall of the air blower (2), and the other end of the swing bolt (33) slides along the arc-shaped groove (3231).

5. The laser welding machine according to claim 4, characterized in that the other end of the swing bolt (33) protrudes through the arc-shaped groove (3231), and the swing mechanism (3) further comprises a swing nut (34), and the swing nut (34) is screwed to the other end of the swing bolt (33).

6. The laser welding machine according to claim 4, characterized by further comprising a connecting mechanism (4), wherein the fixing frame (32) is connected to the outer side wall of the welding gun (1) through the connecting mechanism (4), and the welding gun (1) is detachably connected with the connecting mechanism (4).