CN118527879A - Welding device for special-shaped forge piece - Google Patents

Abstract

The present invention discloses a welding device for special-shaped forgings, which relates to the technical field of welding and comprises a transverse support, a support platform, a driving mechanism and a semi-enclosed welding assembly. The support platform has two slide rails which are slidably connected to the inner side of the transverse support. The two support platforms are symmetrically arranged and the sides of the support platforms are provided with placement grooves for placing the special-shaped forgings. An upper support assembly for placing the transverse axis is installed in the middle of the transverse support. A lower support assembly cooperating with the upper support assembly is arranged directly below the upper support assembly. The lower support assembly is installed on a base, and the base is connected to a driving cylinder. By placing two special-shaped forgings in two symmetrically arranged support platforms respectively, the present invention can realize rapid positioning and welding of the special-shaped forgings and the transverse axis with the help of the driving mechanism, the upper support assembly, the lower support assembly and the semi-enclosed welding assembly, without the need for multiple positioning and welding, thereby significantly improving the assembly efficiency.

Description

A welding device for special-shaped forgings

Technical Field

The invention relates to the technical field of welding, and in particular to a welding device for special-shaped forgings.

Background Art

In some non-standard equipment, a combination of special-shaped forgings is required, which consists of two special-shaped forgings and a transverse axis connected between the two special-shaped forgings. The special-shaped forgings and the transverse axis are connected by welding. The traditional method is to first fix one of the special-shaped forgings with a clamp, then pass the transverse axis through the base, use a welding gun to weld one of the special-shaped forgings, then pass the other special-shaped forging through the other end of the transverse axis, and use the angle to position the special-shaped forging, and then use the welding gun to weld the other special-shaped forging. This process requires multiple positioning, and the welding is carried out in steps, which is inefficient and cannot achieve large-scale welding and assembly.

Summary of the invention

The object of the present invention is to provide a welding device for special-shaped forgings to solve the above-mentioned multiple defects caused by the prior art.

To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a welding device for special-shaped forgings, comprising a transverse support, a support platform, a driving mechanism and a semi-enclosed welding assembly, wherein the support platform has two and is slidably connected to a slide rail on the inner side of the transverse support, the two support platforms are symmetrically arranged and the sides of the support platforms are provided with placement grooves for placing special-shaped forgings, an upper support assembly for placing a transverse axis is installed in the middle of the transverse support, a lower support assembly cooperating with the upper support assembly is arranged directly below the upper support assembly, the lower support assembly is installed on a base, and the base is connected to a driving cylinder;

The support platform is provided with a through hole for the horizontal axis to pass through, and the support platform is connected to the base by means of a driving mechanism. When the base is raised, the driving mechanism can pull the two support platforms to move toward each other in the direction of the upward supporting assembly at the same time;

The half-enclosed welding assembly is rotatably connected to two slide seats symmetrically arranged on the inner side of the transverse bracket, and the support platform is provided with a guide plate capable of driving the half-enclosed welding assembly to rotate along the axis of the transverse axis.

Furthermore, the slide rail is arranged along the length direction of the transverse bracket.

Furthermore, the upper support assembly includes an upper support and a top plate, the upper end of the upper support is connected to the top plate, the top plate is installed on the upper end of the transverse bracket, and the bottom of the upper support is provided with an arc surface matching the transverse axis.

Furthermore, the lower top support assembly includes a lower top support and a bottom plate, the lower end of the lower top support is connected to the bottom plate, the bottom plate is slidably connected to the base by means of a guide column, the lower end of the guide column passes through the base and is connected with a nut, a return spring is also sleeved on the guide column between the bottom plate and the base, and the top of the lower top support is also provided with an arc surface matching the horizontal axis.

Furthermore, the driving mechanism includes a connecting rod and a vertical slide, one end of the connecting rod is rotatably connected to a side shaft arranged on the base, the other end of the connecting rod is rotatably connected to the side shaft at the upper end of the vertical slide, and the lower end of the vertical slide is connected to the side of the base.

Furthermore, a guide seat matching with the vertical slide plate is provided on the outer side of the horizontal support, and the vertical slide plate is slidably connected in the guide seat.

Furthermore, a limiting plate for limiting the axial movement of the transverse axis is installed on the side of the bottom plate.

Furthermore, the semi-enclosed welding assembly includes an annular support and several welding guns. The annular support is provided with a notch for the transverse axis to pass through. The several welding guns are circumferentially arranged on the inner wall of the annular support. A guide rod is provided on the top of the annular support, and a counterweight block is also fixed at the notch.

Furthermore, the guide plate includes an integrally formed straight plate section and an inclined section, the straight plate section is vertically fixed on the side of the pedestal facing the upper support assembly, and the angle between the inclined section and the straight plate section is an obtuse angle.

Further, the driving cylinder is mounted on a cylinder seat, and the cylinder seat is mounted on the platform;

The transverse bracket is installed at the lower end of the hanging seat.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention places two special-shaped forgings in two symmetrically arranged pedestals respectively, and can use a driving mechanism, an upper support assembly, a lower support assembly and a semi-enclosed welding assembly to achieve rapid positioning and welding of the special-shaped forgings and the transverse axis, without the need for multiple positioning and welding, thereby significantly improving assembly efficiency.

2. The guide plate in the present invention can also cooperate with the guide rod after the two supporting platforms move toward each other to the extreme position, driving the semi-enclosed welding assembly to rotate a certain angle, and during the retreat of the supporting platform, the semi-enclosed welding assembly rotates back to its original position. In both stages, the welding gun needs to be turned on to weld the special-shaped forgings, thereby enabling all-round welding of the special-shaped forgings without dead angles, thereby improving the welding quality.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the working of the present invention.

FIG. 2 is a partial detailed view of point A in FIG. 1 .

FIG. 3 is a partial detailed view of point B in FIG. 1 .

FIG. 4 is a schematic structural diagram of the main part of the present invention.

FIG. 5 is a partial detailed view of point C in FIG. 4 .

FIG. 6 is a partial detailed view of point D in FIG. 4 .

FIG. 7 is a schematic structural diagram of the upper support assembly of the present invention.

Wherein: 1 horizontal support, 2 bearing platform, 20 guide plate, 201 inclined section, 202 straight plate section, 21 through hole, 3 driving mechanism, 30 connecting rod, 31 vertical slide plate, 32 guide seat, 4 half-wrapped welding assembly, 40 annular support, 41 welding gun, 42 guide rod, 43 notch, 44 slide seat, 45 counterweight, 5 slide rail, 6 upper top support assembly, 60 upper top support, 61 top plate, 7 lower top support assembly, 70 lower top support, 71 bottom plate, 72 limit plate, 73 guide column, 74 reset spring, 8 base, 9 driving cylinder, 10 cylinder seat, 11 platform, 12 suspension seat;

100 special-shaped forgings, 200 horizontal shafts.

DETAILED DESCRIPTION

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

Please refer to Figures 1 to 7. The present invention provides a technical solution: a welding device for special-shaped forgings, including a transverse bracket 1, a support platform 2, a driving mechanism 3 and a semi-enclosed welding assembly 4, wherein the support platform 2 has two slide rails 5 that are slidably connected to the inner side of the transverse bracket 1 by means of a slider, wherein the slide rails 5 are arranged along the length direction of the transverse bracket 1, the two support platforms 2 are symmetrically arranged and the sides of the support platforms 2 are provided with placement grooves for placing special-shaped forgings 100; elastic high-temperature resistant rubber pads can be added in the placement grooves to better fix the special-shaped forgings 100.

An upper support assembly 6 for placing the transverse axis 200 is installed in the middle of the transverse support 1. The upper support assembly 6 includes an upper support 60 and a top plate 61. The upper end of the upper support 60 is connected to the top plate 61. The top plate 61 is installed at the upper end of the transverse support 1. The bottom of the upper support 60 is provided with an arc surface matching the transverse axis 200. A lower support assembly 7 matching the upper support assembly 6 is provided directly below the upper support assembly 6. The lower support assembly 7 is installed on a base 8. The base 8 is connected to a driving cylinder 9. The driving cylinder 9 can be A double-rod cylinder or a hydraulic cylinder can also be used; the lower support assembly 7 includes a lower support 70 and a bottom plate 71, the lower end of the lower support 70 is connected to the bottom plate 71, the bottom plate 71 is slidably connected to the base 8 by means of a guide column 73, the lower end of the guide column 73 passes through the base 8 and is connected with a nut, and a return spring 74 is also sleeved on the guide column between the bottom plate 71 and the base 8. The top of the lower support 70 is also provided with an arc surface that matches the horizontal axis 200, and the side of the bottom plate 71 is provided with a limit plate 72 for limiting the axial movement of the horizontal axis 200.

The support platform 2 is provided with a through hole 21 for the horizontal axis 200 to pass through. The support platform 2 is connected to the base 8 by means of a driving mechanism 3. When the base 8 rises, it can pull the two support platforms 2 to move toward each other in the direction of the upward supporting assembly 6 by means of the driving mechanism 3.

The semi-enclosed welding assembly 4 is rotatably connected to two slide seats 44 symmetrically arranged on the inner side of the transverse bracket 1, and the support platform 2 is provided with a guide plate 20 capable of driving the semi-enclosed welding assembly 4 to rotate along the axis of the transverse axis 200. To achieve the above purpose, the semi-enclosed welding assembly 4 includes an annular support 40 and a plurality of welding guns 41, the annular support 40 is provided with a notch 43 for the transverse axis 200 to pass through, and the plurality of welding guns 41 are circumferentially arranged on the inner wall of the annular support 40, a guide rod 42 is arranged on the top of the annular support 40, and a counterweight 45 is also fixed at the notch 43, and the guide plate 20 includes an integrally formed straight plate section 202 and an inclined section 201, the straight plate section 202 is vertically fixed on the side of the support platform 2 facing the upper support assembly 6, and the angle between the inclined section 201 and the straight plate section 202 is an obtuse angle.

In this embodiment, the driving mechanism 3 includes a connecting rod 30 and a vertical slide 31. One end of the connecting rod 30 is rotatably connected to the side shaft arranged on the base 2, and the other end of the connecting rod 30 is rotatably connected to the side shaft at the upper end of the vertical slide 31. The lower end of the vertical slide 31 is connected to the side of the base 8. The outer side of the transverse bracket 1 is provided with a guide seat 32 that matches the vertical slide 31, and the vertical slide 31 is slidably connected in the guide seat 32.

In this embodiment, the driving cylinder 9 is mounted on a cylinder seat 10, and the cylinder seat 10 is mounted on a platform 11;

The transverse bracket 1 is installed at the lower end of the suspension seat 12 .

The working process and principle of the present invention are as follows:

First, place the two special-shaped forgings 100 in the placement grooves on the two pedestals 2 respectively and place the transverse axis 200 on the lower support 70. At this time, the lower support 70 is at the lowest point. Then start the driving cylinder 9, and the lower support 70 is lifted together with the transverse axis 200 until the transverse axis 200 contacts and fixes the upper support 60. During this process, due to the action of the guide column 73 and the return spring 74, the upper support 60 does not move, and the base 8 and the vertical slide 31 continue to move upward and drive the connecting rod 30 to swing. The connecting rod 30 pulls the two pedestals 2 to move synchronously in the direction of the upper support assembly 6 until the special-shaped forging 100 passes through the transverse axis 200 and moves inward for a distance. At this time, the annular support 40 is also rotated by a certain angle due to the push of the guide plate 20. Then turn on the welding gun 41 to perform the first stage welding on the special-shaped forging 100.

After the first stage of welding is completed, the driving cylinder 9 drives the base 8 to move downward. The base 8 drives the support 2 to move toward the two ends of the horizontal axis 200 with the help of the driving mechanism 3. Before the support 2 is out of contact with the horizontal axis 200, the guide plate 20 has been out of contact with the guide rod 42. Therefore, the annular support 40 has been restored to its initial position under the action of the counterweight block 45, that is, the notch 43 is facing downward. At this time, the welding gun 41 is in an open state, and the second stage of welding is performed on the special-shaped forging 100. After completion, the welding gun 41 is closed, and the base 8 continues to move downward until the support 2 is out of contact with the horizontal axis 200. The assembled parts after welding will fall onto the lower support 70 and can be taken away.

Based on the above, the present invention places two special-shaped forgings 100 in two symmetrically arranged supporting platforms 2 respectively, and can use the driving mechanism 3, the upper supporting assembly 6, the lower supporting assembly 7 and the semi-enclosed welding assembly 4 to realize the rapid positioning and welding of the special-shaped forging 100 and the horizontal axis 200, without the need for multiple positioning and welding, thereby significantly improving the assembly efficiency; the guide plate 20 in the present invention can also cooperate with the guide rod 42 after the two supporting platforms 2 move toward each other to the extreme position, driving the semi-enclosed welding assembly 4 to rotate a certain angle, and during the retreat process of the supporting platform 2, the semi-enclosed welding assembly 4 rotates back to its original position, and the welding gun 41 needs to be turned on in both stages to weld the special-shaped forging 100, so that the special-shaped forging 100 can be welded in all directions without dead angles, thereby improving the welding quality.

It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims (10)

1. A welding device for special-shaped forgings, characterized in that it comprises a transverse support (1), a support platform (2), a driving mechanism (3) and a semi-enclosed welding assembly (4), wherein the support platform (2) has two slide rails (5) slidably connected to the inner side of the transverse support (1), the two support platforms (2) are symmetrically arranged and the side of the support platform (2) is provided with a placement groove for placing the special-shaped forging (100), an upper support assembly (6) for placing the transverse axis (200) is installed in the middle of the transverse support (1), a lower support assembly (7) cooperating with the upper support assembly (6) is arranged directly below the upper support assembly (6), the lower support assembly (7) is installed on a base (8), and the base (8) is connected to a driving cylinder (9); The support platform (2) is provided with a through hole (21) for the transverse axis (200) to pass through, and the support platform (2) is connected to the base (8) by means of a driving mechanism (3). When the base (8) is raised, it can pull the two support platforms (2) by means of the driving mechanism (3) to move towards each other in the direction of the upward supporting assembly (6); The half-enclosed welding assembly (4) is rotatably connected to two slide seats (44) symmetrically arranged on the inner side of the transverse bracket (1), and the support platform (2) is provided with a guide plate (20) capable of driving the half-enclosed welding assembly (4) to rotate along the axis of the transverse axis (200). 2. A welding device for special-shaped forgings according to claim 1, characterized in that the slide rail (5) is arranged along the length direction of the transverse bracket (1). 3. A welding device for a special-shaped forging according to claim 1, characterized in that the upper support assembly (6) includes an upper support (60) and a top plate (61), the upper end of the upper support (60) is connected to the top plate (61), the top plate (61) is installed on the upper end of the transverse bracket (1), and the bottom of the upper support (60) is provided with an arc surface matching the transverse axis (200). 4. A welding device for a special-shaped forging according to claim 1, characterized in that the lower support assembly (7) includes a lower support (70) and a bottom plate (71), the lower end of the lower support (70) is connected to the bottom plate (71), the bottom plate (71) is slidably connected to the base (8) by means of a guide column (73), the lower end of the guide column (73) passes through the base (8) and is connected with a nut, a return spring (74) is also sleeved on the guide column between the bottom plate (71) and the base (8), and the top of the lower support (70) is also provided with an arc surface matching the horizontal axis (200). 5. A welding device for special-shaped forgings according to claim 1, characterized in that the driving mechanism (3) includes a connecting rod (30) and a vertical slide (31), one end of the connecting rod (30) is rotatably connected to a side shaft arranged on the base (2), the other end of the connecting rod (30) is rotatably connected to the side shaft at the upper end of the vertical slide (31), and the lower end of the vertical slide (31) is connected to the side of the base (8). 6. A welding device for special-shaped forgings according to claim 5, characterized in that a guide seat (32) matching with a vertical slide plate (31) is provided on the outer side of the transverse bracket (1), and the vertical slide plate (31) is slidably connected in the guide seat (32). 7. A welding device for special-shaped forgings according to claim 4, characterized in that a limiting plate (72) for limiting the axial movement of the transverse axis (200) is installed on the side of the base plate (71). 8. A welding device for a special-shaped forging according to claim 1, characterized in that the semi-enclosed welding assembly (4) includes an annular support (40) and a plurality of welding guns (41), the annular support (40) is provided with a notch (43) for the transverse axis (200) to pass through, the plurality of welding guns (41) are circumferentially arranged on the inner wall of the annular support (40), a guide rod (42) is provided at the top of the annular support (40), and a counterweight block (45) is also fixed at the notch (43). 9. A welding device for a special-shaped forging according to claim 8, characterized in that the guide plate (20) includes an integrally formed straight plate section (202) and an inclined section (201), the straight plate section (202) is vertically fixed on the platform (2) on one side facing the upper support assembly (6), and the angle between the inclined section (201) and the straight plate section (202) is an obtuse angle. 10. A welding device for special-shaped forgings according to claim 1, characterized in that the driving cylinder (9) is installed on a cylinder seat (10), and the cylinder seat (10) is installed on a platform (11); The transverse support (1) is installed at the lower end of the hanging seat (12).