CN116275488A - Aluminum alloy frame welding equipment - Google Patents

Abstract

The invention discloses an aluminum alloy frame welding device, which belongs to the field of aluminum alloy material laser welding, and comprises: a frame; the welding platform is arranged on the frame and is arranged along the horizontal direction, and the welding platform is used for placing the aluminum alloy frame; the clamping components are arranged on the welding platform and are used for clamping all sides of the aluminum alloy frame respectively; the driving assembly is movably arranged on the frame; the laser welding gun and the filler wire gun can be alternately arranged on the driving assembly; the replacing mechanism is arranged on the frame and is used for replacing the laser welding gun on the driving assembly with a wire filling gun and replacing the wire filling gun on the driving assembly with the laser welding gun; and the controller is electrically connected with the driving assembly, the laser welding gun and the wire filling gun respectively.

Description

Aluminum alloy frame welding equipment

technical field

The invention relates to the field of laser welding of aluminum alloy materials, in particular to an aluminum alloy frame welding equipment.

Background technique

Aluminum alloy has high specific strength, high fatigue strength, good fracture toughness and low crack growth rate, and also has excellent forming process and good corrosion resistance. It is widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and It has been widely used in the chemical industry. The wide application of aluminum alloy has promoted the development of aluminum alloy welding technology, and the development of welding technology has expanded the application field of aluminum alloy.

Laser welding has the advantages of high power density, low welding heat input, small welding heat affected zone and small welding deformation, but aluminum alloy is a typical eutectic alloy, so when laser welding aluminum alloy, under the rapid solidification of laser welding more prone to thermal cracks. At present, laser welding is usually carried out by filling wire or pre-setting alloy powder with manual assistance, but this method has low welding efficiency and low welding quality.

Contents of the invention

The purpose of the present invention is to at least solve one of the technical problems existing in the prior art. To this end, the present invention proposes an aluminum alloy frame welding equipment, which can automatically complete high-quality welding of the aluminum alloy frame.

The aluminum alloy frame welding equipment according to the embodiment of the present invention includes: a frame; a welding platform, the welding platform is arranged on the frame, the welding platform is arranged along the horizontal direction, and the welding platform is used to place the aluminum alloy frame; a plurality of clamping parts, A plurality of clip assemblies are set on the welding platform, and a plurality of clips are respectively used to clamp each side of the aluminum alloy frame; the drive assembly is movably arranged on the frame; the laser welding torch and the wire filling gun, the laser welding torch and the wire filling gun can be alternately installed on the drive assembly; the replacement mechanism, the replacement mechanism is arranged on the frame, and the replacement mechanism is used to replace the laser welding gun on the drive assembly with a wire filler gun, and replace the wire filler gun on the drive assembly It is a laser welding torch; a controller is electrically connected to the drive assembly, the laser welding torch and the wire filling gun respectively.

The aluminum alloy frame welding equipment according to the embodiment of the present invention has at least the following beneficial effects: the equipment can efficiently complete the efficient automatic wire-filling welding of the aluminum alloy frame by using a path program and a set of driving components. In this way, thermal cracks can be prevented under the rapid solidification of laser welding, the welding quality can be improved, and the efficiency and automation of wire-filling laser welding can be improved at the same time.

According to some embodiments of the present invention, multiple clamping pieces can be movably arranged on the welding platform, and the multiple clamping pieces are magnetically connected to the welding platform respectively.

According to some embodiments of the present invention, a position detector is provided in the welding platform, and the position detector is electrically connected to the controller. The position detector is used to detect the position of each clamp, and the position of the clamp is determined by coordinate information. The method is fed back to the controller, and the controller calculates the size of the aluminum alloy frame and plans the welding path according to the position of the clamping piece, so as to control the driving component to drive the laser welding torch to complete the welding.

According to some embodiments of the present invention, the replacement mechanism includes a magnetic switch, and the drive assembly is provided with a magnet. When the drive assembly drives the laser welding torch or wire filling gun to move to the replacement mechanism, the magnet triggers the magnetic switch, and the replacement mechanism will drive the assembly to the replacement mechanism. Replace the laser welding gun or wire filler gun with the wire filler gun or laser welding gun.

According to some embodiments of the present invention, the replacement mechanism includes a photoelectric switch, and the drive assembly is provided with a reflective surface. When the drive assembly drives the laser welding torch or wire filling gun to move to the replacement mechanism, the reflective surface triggers the photoelectric switch, and the replacement mechanism will drive The laser welding gun or wire filler gun on the assembly is replaced with a wire filler gun or a laser welding gun.

According to some embodiments of the invention, both the laser welding gun and the wire filler gun are magnetically connected to the drive assembly.

According to some embodiments of the present invention, a visual detector is also stored in the replacement mechanism, and the replacement mechanism is used to replace the laser welding gun or the wire filler gun on the drive assembly with the visual detector.

According to some embodiments of the present invention, the visual detector is provided with an illuminating element.

According to some embodiments of the present invention, the driving assembly includes a displacement mechanism and a mechanical arm, the displacement mechanism is disposed on the frame, the mechanical arm is disposed on the displacement mechanism, and the laser welding torch or wire filler gun is installed on the mechanical arm.

According to some embodiments of the present invention, the mechanical arm includes up and down moving parts, left and right moving parts and forward and backward moving parts, the left and right moving parts are arranged on the displacement mechanism, the up and down moving parts are arranged on the left and right moving parts, and the front and rear moving parts are arranged on the up and down moving parts On the machine, the laser welding gun or wire filling gun is installed on the front and rear moving parts.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further described:

Fig. 1 is a schematic structural view of an aluminum alloy frame welding device according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of another perspective of Fig. 1;

Fig. 3 is a structural schematic diagram of the mechanical arm in Fig. 1;

FIG. 4 is a structural schematic diagram of another viewing angle of FIG. 3 .

Rack 100;

welding platform 200;

clamping member 300;

Drive assembly 400; magnet 410; displacement mechanism 420; mechanical arm 430; up and down moving part 431; left and right moving part 432;

Laser welding gun 500; wire filling gun 510;

Replacement Mechanism 600 ; Vision Detector 610 .

Detailed ways

This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, several means one or more, and multiple means more than two. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

An aluminum alloy frame welding device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4 .

As shown in Figures 1 to 4, the aluminum alloy frame welding equipment according to the embodiment of the present invention includes: a frame 100; a welding platform 200, the welding platform 200 is arranged on the frame 100, the welding platform 200 is arranged along the horizontal direction, 200 is used to place the aluminum alloy frame; multiple clamping parts 300, multiple clamping assemblies are arranged on the welding platform 200, and multiple clamping parts 300 are respectively used to clamp each side of the aluminum alloy frame; the driving assembly 400, the driving assembly 400 is movably arranged on the frame 100; the laser welding torch 500 and the wire filling gun 510, the laser welding torch 500 and the wire filling gun 510 can be alternately installed on the drive assembly 400; the replacement mechanism 600, the replacement mechanism 600 is arranged on the frame 100 , the replacement mechanism 600 is used to replace the laser welding gun 500 on the drive assembly 400 with the wire filling gun 510, and replace the wire filling gun 510 on the drive assembly 400 with the laser welding gun 500; the controller, the controller communicates with the drive assembly 400, The laser welding gun 500 is electrically connected to the wire filling gun 510 .

As shown in Figures 1 and 2, the replacement mechanism 600 is arranged on the frame 100, and the replacement mechanism 600 is used to replace the laser welding gun 500 on the drive assembly 400 with a wire filling gun 510, and the wire filling gun on the drive assembly 400 510 is replaced by laser welding torch 500. Because before and after the replacement, the wire filling gun 510 and the laser welding gun 500 on the driving assembly 400 are aligned at the same position. Therefore, when performing laser welding, the controller first runs the welding path program, controls the movement of the drive assembly 400, drives the wire filling gun 510 to move on the welding platform 200, and the wire filling gun 510 fills the aluminum alloy frame with wire along the preset path, filling After the wire is finished, the drive assembly 400 moves to the replacement mechanism 600, and the drive assembly 400 triggers the replacement action of the replacement mechanism 600. The replacement mechanism 600 removes the wire filling gun 510 on the drive assembly 400, and installs the laser welding torch 500 on the drive assembly 400 At this time, the position of the laser welding torch 500 is consistent with the position of the wire filling gun 510 during wire filling, the drive assembly 400 returns to the original point, the controller runs the welding path program again, and the laser welding torch 500 completes the welding of the aluminum alloy frame.

Therefore, the device can efficiently complete the efficient automatic wire-fill welding of the aluminum alloy frame by using a path program and a set of driving components 400 . Thereby preventing thermal cracks under rapid solidification of laser welding, improving welding quality, and improving the efficiency and automation of wire-filling laser welding.

As shown in Figures 1 and 2, a welding platform 200 is arranged horizontally on the frame 100, and a plurality of clamping parts 300 are movably arranged on the welding platform 200, and a plurality of clamping parts 300 are magnetically connected to the welding platform 200 respectively. suction connection. The welding platform 200 is provided with a position detection part inside, and the position detection part can detect the position of each clamping part 300, that is, the whole welding platform 200 is a two-dimensional coordinate system, and the position of the clamping part 300 on the welding platform 200 is two-dimensional. A plurality of coordinate points in the three-dimensional coordinate system, since each side of the welded aluminum alloy frame is fixed on the welding platform 200 through the clamp 300, the position detection part feeds back the coordinate position information of the clamp 300 to the controller Finally, the controller can calculate the coordinates of the aluminum alloy frame to be welded according to the coordinates of the clamping part 300, and plan the movement path of the laser welding torch 500 according to the coordinates of the aluminum alloy frame to be welded, thereby controlling the driving component 400 to drive the laser welding torch 500 Complete automatic welding.

Thus, the path program of the laser welding torch 500 is automatically generated by the controller, and the operator does not need to repeatedly write the path program. At the same time, the path program of the laser welding torch 500 is calculated and planned according to the actual position of the aluminum alloy frame clamped and fixed, thus reducing the processing error caused by the difference between the design size of the aluminum alloy frame and the actual size, and further improving the accuracy of laser welding. Precision.

As shown in Figures 1 and 2, the front end of the frame 100 is provided with a replacement structure, and the replacement mechanism 600 has the functions of storage and replacement. The wire filling gun 510 in the drive assembly 400 is replaced on the drive assembly 400, and the laser welding torch 500 is stored in the replacement mechanism 600; The laser welding gun 500 is replaced on the drive assembly 400 and the wire filler gun 510 is stored in the replacement mechanism 600 .

In some specific embodiments of the present invention, the replacement mechanism 600 includes a magnetic switch, and the drive assembly 400 is provided with a magnet 410. When the drive assembly 400 drives the laser welding gun 500 or the wire filling gun 510 to move to the replacement mechanism 600, the magnet 410 The magnetic switch is triggered, and the replacement mechanism 600 replaces the laser welding gun 500 or the wire filling gun 510 on the driving assembly 400 with the wire filling gun 510 or the laser welding gun 500 .

It is conceivable that triggering the replacement action of the replacement mechanism 600 can also be a photoelectric switch, a press switch, etc., the replacement mechanism 600 includes a photoelectric switch, and the drive assembly 400 is provided with a reflective surface. When the drive assembly 400 drives the laser welding torch 500 or the wire filling gun When 510 moves to the replacement mechanism 600 , the reflective surface triggers the photoelectric switch, and the replacement mechanism 600 replaces the laser welding gun 500 or the wire filling gun 510 on the driving assembly 400 with the wire filling gun 510 or the laser welding gun 500 .

Thus, when the driving assembly 400 moves to the designated position, the replacement action of the replacement mechanism 600 is automatically triggered to complete the replacement of the wire filling gun 510 and the laser welding torch 500, so that the driving assembly 400 does not need to be equipped with complicated structural parts and driving elements. The accuracy of the welding movement path performed by the driving assembly 400 is guaranteed, and the quality of welding is further improved.

In some specific embodiments of the present invention, both the laser welding gun 500 and the wire filling gun 510 are magnetically connected to the driving assembly 400 . Since the laser welding torch 500 and the wire filling gun 510 in this device need to be disassembled repeatedly, the laser welding torch 500 and the wire filling gun 510 can be easily disassembled and assembled by using the magnetic suction connection, and the structure of the magnetic suction connection is simple and will not Loss occurs during repeated disassembly and assembly.

In some specific embodiments of the present invention, a visual detector 610 is also stored in the replacement mechanism 600 , and the replacement mechanism 600 is used to replace the laser welding gun 500 or wire filler gun 510 on the driving assembly 400 with the visual detector 610 . After the laser welding is completed, the replacement mechanism 600 replaces the visual detector 610 on the driving assembly 400, and the driving assembly 400 drives the visual detector 610 to move along the welding path again, and the visual detector 610 detects the welding quality of the welding place. The visual detector 610 is provided with a lighting part, which can provide directional lighting during the visual inspection process, and help the visual detector 610 to judge the welding quality of the welding place more accurately.

In some specific embodiments of the present invention, the driving assembly 400 includes a displacement mechanism 420 and a mechanical arm 430, the displacement mechanism 420 is arranged on the frame 100, the mechanical arm 430 is arranged on the displacement mechanism 420, the laser welding gun 500 or the wire filling gun 510 Installed on the mechanical arm 430.

As shown in Figures 3 and 4, the mechanical arm 430 includes an up and down moving part 431, a left and right moving part 432 and a front and rear moving part 433, the left and right moving part 432 is arranged on the displacement mechanism 420, and the up and down moving part 431 is arranged on the left and right moving part 432 , the front and rear moving parts 433 are arranged on the up and down moving parts 431 , and the laser welding torch 500 or the wire filling gun 510 is installed on the front and back moving parts 433 . The arrangement of the up and down moving part 431 , the left and right moving part 432 and the front and back moving part 433 can make the wire filling gun 510 and the laser welding gun 500 move more precisely, thereby further improving the welding quality.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge of those skilled in the art .

Claims (10)

1. An aluminum alloy frame welding apparatus, comprising:

a frame (100);

the welding platform (200) is arranged on the frame (100), the welding platform (200) is arranged along the horizontal direction, and the welding platform (200) is used for placing an aluminum alloy frame;

the clamping pieces (300) are arranged on the welding platform (200), and the clamping pieces (300) are respectively used for clamping all sides of the aluminum alloy frame;

-a drive assembly (400), the drive assembly (400) being movably arranged on the frame (100);

-a laser welding gun (500) and a filler gun (510), the laser welding gun (500) and the filler gun (510) being alternately mountable to the drive assembly (400);

-a replacement mechanism (600), the replacement mechanism (600) being arranged on the frame (100), the replacement mechanism (600) being used for replacing the laser welding gun (500) on the drive assembly (400) with the filler gun (510) and replacing the filler gun (510) on the drive assembly (400) with the laser welding gun (500);

and the controller is respectively and electrically connected with the driving assembly (400), the laser welding gun (500) and the wire filling gun (510).

2. The aluminum alloy frame welding apparatus according to claim 1, wherein a plurality of the clamping members (300) are movably disposed on the welding platform (200), and the plurality of clamping members (300) are magnetically connected to the welding platform (200), respectively.

3. The aluminum alloy frame welding equipment according to claim 2, wherein a position detecting member is arranged in the welding platform (200), the position detecting member is electrically connected with the controller, the position detecting member is used for detecting the position of each clamping member (300), the position of each clamping member (300) is fed back to the controller in a coordinate information mode, and the controller estimates the size of the aluminum alloy frame and plans a welding path according to the position of each clamping member (300), so that the driving assembly (400) is controlled to drive the laser welding gun (500) to finish welding.

4. The aluminum alloy frame welding apparatus according to claim 1, wherein the replacement mechanism (600) comprises a magnetic switch, a magnet (410) is disposed on the driving assembly (400), when the driving assembly (400) drives the laser welding gun (500) or the filler wire gun (510) to move to the replacement mechanism (600), the magnet (410) triggers the magnetic switch, and the replacement mechanism (600) replaces the laser welding gun (500) or the filler wire gun (510) on the driving assembly (400) with the filler wire gun (510) or the laser welding gun (500).

5. The aluminum alloy frame welding apparatus as recited in claim 1, wherein the replacement mechanism (600) includes a photoelectric switch, a reflective surface is disposed on the driving assembly (400), and when the driving assembly (400) drives the laser welding gun (500) or the filler gun (510) to move to the replacement mechanism (600), the reflective surface triggers the photoelectric switch, and the replacement mechanism (600) replaces the laser welding gun (500) or the filler gun (510) on the driving assembly (400) with the filler gun (510) or the laser welding gun (500).

6. The aluminum alloy rim welding apparatus of claim 1, wherein the laser welding gun (500) and the filler wire gun (510) are both magnetically connected to the drive assembly (400).

7. The aluminum alloy rim welding apparatus of claim 1, wherein a visual detector (610) is further stored in the replacement mechanism (600), the replacement mechanism (600) being configured to replace the laser welding gun (500) or the filler wire gun (510) on the drive assembly (400) with the visual detector (610).

8. The aluminum alloy rim welding apparatus of claim 7, wherein the visual detector (610) has an illumination element disposed thereon.

9. The aluminum alloy frame welding apparatus of claim 1, wherein the drive assembly (400) includes a displacement mechanism (420) and a robotic arm (430), the displacement mechanism (420) is disposed on the frame (100), the robotic arm (430) is disposed on the displacement mechanism (420), and the laser welding gun (500) or the filler gun (510) is mounted on the robotic arm (430).

10. The aluminum alloy frame welding apparatus according to claim 9, wherein the mechanical arm (430) includes a vertical moving member (431), a horizontal moving member (432), and a forward-backward moving member (433), the horizontal moving member (432) is provided on the displacement mechanism (420), the vertical moving member (431) is provided on the horizontal moving member (432), the forward-backward moving member (433) is provided on the vertical moving member (431), and the laser welding gun (500) or the wire filling gun (510) is mounted on the forward-backward moving member (433).

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