Automatic camber beam type welding machine

Abstract

The utility model discloses a camber beam type automatic welding machine. The camber beam type automatic welding machine comprises an adjustable frame, an adjustable camber beam arm, a camber beam fixing seat and a submerged arc welding machine head, the camber beam fixing base is installed on the adjustable frame, can move on the adjustable frame in the horizontal direction and the vertical direction and can rotate along with the adjustable frame, one end of the adjustable camber beam arm is connected with the camber beam fixing base, and the other end of the adjustable camber beam arm is rotationally connected with the submerged arc welding machine head. The adjustable camber beam arm comprises a plurality of camber beams which are sequentially connected end to end, the adjacent camber beams are rotatably connected through bolts, one end, close to the adjustable frame, of one end camber beam is fixedly connected with the camber beam fixing base, and the end, away from the adjustable frame, of the end camber beam is provided with a submerged arc welding machine head. According to the automatic camber beam type welding machine, the position and radian of the adjustable camber beam arm can be adjusted according to different diameters and curvature radiuses of workpieces, the angle-adjustable submerged arc welding machine head is combined, the flatness of a welding bead is guaranteed, the welding quality is guaranteed, and the automatic camber beam type welding machine is large in welding span and higher in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a curved beam type automatic welding machine. Background Art

[0002] Welding is usually required during pipe processing. Traditional welding methods have low welding efficiency, and the angle position adjustment of the welding head is cumbersome, resulting in irregular welds, difficult to ensure welding quality, and a low pass rate for workpiece welding. In addition, the existing welding device has a small span of welding positions and is not suitable for welding large workpieces.

[0003] Therefore, it is necessary to provide a welding machine to solve the problems of irregular welds, low welding efficiency, poor welding machine quality, and unsuitability for welding requirements of large workpieces. Summary of the invention

[0004] The utility model provides a curved beam type automatic welding machine to overcome the above problems.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] A bending beam type automatic welding machine, comprising an adjustable frame, an adjustable bending beam arm, a bending beam fixing seat and a submerged arc welding machine head;

[0007] The bending beam fixing seat is installed on the adjustable frame, and the bending beam fixing seat can move in the horizontal direction and the vertical direction on the adjustable frame, and can rotate laterally with the adjustable frame, and one end of the adjustable bending beam arm is connected to the bending beam fixing seat, and the other end is rotatably connected to the submerged arc welding head;

[0008] The adjustable bending beam arm includes a plurality of bending beams connected end to end in sequence, and adjacent bending beams are rotatably connected by bolts. The bending beams arranged at both ends are end bending beams. An end of an end bending beam close to the adjustable frame that is not connected to its adjacent bending beam is fixedly connected to the bending beam fixing seat, and an end of the end bending beam far from the adjustable frame that is not connected to its adjacent bending beam is provided with the submerged arc welding head.

[0009] Furthermore, the submerged arc welding head is connected to the adjustable bending beam arm through a connecting structure, and the connecting structure includes a connecting joint and a connecting bolt, one end of the connecting joint is connected to the end bending beam away from the adjustable frame, and the other end of the connecting joint is hinged to the submerged arc welding head through the connecting bolt.

[0010] Furthermore, the adjustable frame includes a column and a sliding frame arranged on the column; the sliding frame is provided with a plurality of first rotary wheels, the plurality of first rotary wheels are respectively arranged on both sides of the column and abut against the outer wall of the column; the column is provided with a lifting component, the lifting component can drive the sliding frame to rise and fall on the column;

[0011] The curved beam fixing seat is arranged on the sliding frame, and a plurality of second rotary wheels are also arranged on the sliding frame. The plurality of second rotary wheels are respectively arranged on the upper and lower sides of the elongated curved beam fixing seat, and the upper and lower outer walls of the curved beam fixing seat are respectively abutted against the second rotary wheels. The curved beam fixing seat can move horizontally on the sliding frame through a horizontal driving component arranged thereon.

[0012] Furthermore, it also includes a base arranged on the lower side of the column, a third drive motor is arranged on the base, a rotating gear is fixed on the column, a drive gear meshing with the rotating gear is arranged at the output end of the third drive motor, and the bottom of the column can be rotatably arranged in the base.

[0013] Furthermore, it also includes an infrared tracking device for tracking the weld position of the submerged arc welding head.

[0014] Furthermore, the connection joint is fixedly connected to the end curved beam away from the adjustable frame by means of fixing bolts.

[0015] The beneficial effects of the utility model are:

[0016] The utility model discloses a bending beam type automatic welding machine, in which a submerged arc welding machine head is rotatably connected to an adjustable bending beam arm, so that the angle of the submerged arc welding machine head and the adjustable bending beam arm is adjustable, and the adjustable bending beam arm is formed by setting a plurality of sections of rotatably connected bending beam arms, so that the shape and curvature of the adjustable bending beam arm can be adjusted according to workpieces to be welded with different sizes and different welds, and the position and angle of the bending beam arm on the adjustable frame can be adjusted by setting an adjustable frame, and the position of the submerged arc welding machine head is adjusted to match the position of the weld bead of the workpiece to be welded, and the bending beam type automatic welding machine can adjust the height and curvature of the adjustable bending beam arm according to the diameter and curvature radius of different workpieces, and combined with the submerged arc welding machine head with adjustable angle, the flatness of the weld bead is guaranteed, and the welding quality is guaranteed, and the welding span of the bending beam type automatic welding machine is large, and the span can be adjusted by setting adjustable frames of different heights or adjustable bending beam arms of different lengths, so the applicability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is a front view of a curved beam type automatic welding machine disclosed in an embodiment of the utility model;

[0019] Figure 2 for Figure 1 Enlarged view of part A.

[0020] In the figure:

[0021] 1. adjustable frame; 11. upright column; 111. rotating gear; 12. sliding frame; 121. first rotary wheel; 122. second rotary wheel; 13. lifting assembly; 131. first driving motor; 132. chain;

[0022] 2. Adjustable curved beam arm; 21. Curved beam;

[0023] 3. Bending beam fixing seat; 31. Horizontal driving assembly;

[0024] 4. Submerged arc welding head;

[0025] 5. Bolts;

[0026] 6. Connect the joint;

[0027] 7. Connecting bolts;

[0028] 8. Base;

[0029] 9. Fixing bolts;

[0030] 10. The third drive motor. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] like Figure 1 The figure shows a bending beam type automatic welding machine provided in this embodiment, comprising an adjustable frame 1, an adjustable bending beam arm 2, a bending beam fixing seat 3 and a submerged arc welding head 4;

[0033] The bending beam fixing seat 3 is installed on the adjustable frame 1, and the bending beam fixing seat 3 can move in the horizontal direction and the vertical direction on the adjustable frame 1, and can rotate laterally with the adjustable frame. One end of the adjustable bending beam arm 2 is connected to the bending beam fixing seat 3, and the other end is rotatably connected to the submerged arc welding head 4;

[0034] The adjustable bending beam arm 2 includes a plurality of bending beams 21 connected end to end in sequence, and adjacent bending beams 21 are rotatably connected by bolts 5 (the locking force provided by the bolts 5 after being locked can ensure that the bending beam will not rotate around the connection point with the adjacent bending beam under the action of gravity, and can ensure that the bending beam arm does not rotate), and the bending beams arranged at both ends are end bending beams, and one end of an end bending beam close to the adjustable frame 1 that is not connected to the adjacent bending beam is fixedly connected to the bending beam fixing seat 3, and the end bending beam far away from the adjustable frame 1 that is not connected to the adjacent bending beam is provided with the submerged arc welding head 4, that is, one end of the end bending beam close to the adjustable frame 1 is connected and fixed to the bending beam fixing seat 3, and the other end is connected to one end of a bending beam, and a plurality of bending beams are connected end to end in sequence, one end of the end bending beam far away from the adjustable frame 1 is connected to one end of the adjacent bending beam, and the other end of the end bending beam far away from the adjustable frame 1 is provided with the submerged arc welding head 4;

[0035] The utility model discloses a bending beam type automatic welding machine, in which a submerged arc welding machine head is rotatably connected to an adjustable bending beam arm, so that the angle of the submerged arc welding machine head and the adjustable bending beam arm is adjustable, and the adjustable bending beam arm is formed by setting a plurality of sections of rotatably connected bending beam arms, so that the shape and curvature of the adjustable bending beam arm can be adjusted according to workpieces to be welded with different sizes and different welds, and the position and angle of the bending beam arm on the adjustable frame can be adjusted by setting an adjustable frame, so that the position of the submerged arc welding machine head is adjusted to match the position of the weld bead of the workpiece to be welded, and the bending beam type automatic welding machine can adjust the height and curvature of the adjustable bending beam arm according to the diameter and curvature radius of different workpieces, and combined with the submerged arc welding machine head with adjustable angle, the flatness of the weld bead is guaranteed, and the welding quality is guaranteed, and the welding span of the bending beam type automatic welding machine is large, and the span can be adjusted by setting adjustable frames of different heights or adjustable bending beam arms of different lengths, so as to meet the welding needs of large workpieces, and the applicability is stronger.

[0036] In a specific embodiment, Figure 1 , Figure 2 As shown, the submerged arc welding head 4 is connected to the adjustable bending beam arm through a connecting structure, and the connecting structure includes a connecting joint 6 and a connecting bolt 7. One end of the connecting joint is connected to the end bending beam away from the adjustable frame, and the other end of the connecting joint is hinged to the submerged arc welding head through the connecting bolt 7, so as to ensure the connection stability of the submerged arc welding head while achieving an adjustable angle between it and the connecting joint (adjustable bending beam arm), meeting the welding requirements of workpieces of different sizes (diameter, curvature radius), so that the welding effect and quality can be guaranteed, the processing is more flexible, and the overall adaptability and practicality of the welding machine are improved.

[0037] In a specific embodiment, the adjustable frame 1 includes a column 11 and a sliding frame 12 arranged on the column; the sliding frame 12 is provided with a plurality of first rotary wheels 121, which are respectively arranged on both sides of the column and abut against the outer wall of the column; the column is provided with a lifting component 13, and the lifting component can drive the sliding frame 12 to rise and fall on the column; specifically, the lifting component 13 includes a first driving motor 131, a first gear and a chain 132, the chain is fixedly connected to the sliding frame, the motor shaft of the first driving motor is fixedly connected to the first gear, the chain is sleeved on the first gear, the first driving motor drives the sliding frame 12 to rise and fall on the column through the first gear and the chain, and the provided rotary wheels play a guiding role in the lifting process;

[0038] The curved beam fixing seat 3 is arranged on the sliding frame 12, and a plurality of second rotary wheels 122 are also arranged on the sliding frame 12, and the plurality of second rotary wheels are respectively arranged on the upper and lower sides of the long strip curved beam fixing seat 3, and the upper and lower outer walls of the curved beam fixing seat are respectively in contact with the second rotary wheels, and the curved beam fixing seat 3 can be horizontally moved on the sliding frame 12 through a horizontal driving assembly 31 arranged thereon;

[0039] Specifically, the horizontal drive assembly includes a lead screw, a nut and a second drive motor. The second drive motor is arranged at one end of the bent beam fixing seat. The second drive motor drives the lead screw to rotate and drives the nut to move horizontally along the lead screw, thereby driving the bent beam fixing seat to move on the sliding frame and between the second rotary wheels on the upper and lower sides thereof, thereby driving the bent beam arm to move horizontally. In this embodiment, the number of the first rotary wheels 121 is 4, which are used to guide and limit the sliding frame when the sliding frame is lifted and lowered along the column. The number of the second rotary wheels 122 is 4, which are used to guide and limit the bent beam fixing seat 3 when the bent beam fixing seat 3 moves in the horizontal direction. At the same time, the second rotary wheel can also provide clamping force for the bent beam fixing seat to ensure the position stability of the bent beam fixing seat.

[0040] In a specific embodiment, it also includes a base 8 arranged at the lower side of the column, a third drive motor 10 is arranged on the base 8, a rotating gear 111 is fixed on the column 11, and a driving gear meshing with the rotating gear is arranged at the output end of the third drive motor 10. The bottom of the column 11 is rotatably arranged in the base, that is, the bottom of the column 11 extends into the base and is rotatably connected to the base 8; the third drive motor 10 drives the rotating gear 111 to rotate through the driving gear, thereby driving the column 11 to rotate, and then driving the bending beam fixing seat and the sliding frame to rotate, that is, realizing the lateral rotation of the adjustable bending beam arm, and finally realizing the submerged arc The welding head can rotate horizontally with the column (adjustable frame), so that the convenience of adjusting the position of the submerged arc welding head to a position matching the workpiece to be welded is greatly improved. At the same time, the set rotating gear 111, the third drive motor 10 and the drive gear can cooperate with the lifting assembly 13 and the horizontal drive assembly 31 to adjust the position and angle of the adjustable bending beam arm, and then adjust the position of the submerged arc welding head provided at one end of the adjustable bending beam arm relative to the welding point of the workpiece to be welded, so as to better adapt to and match the welding point positions of workpieces to be welded of different sizes, ensure the neatness of the workpiece weld, and ensure the quality and efficiency of welding.

[0041] In a specific embodiment, an infrared tracking device is also included to track the position of the weld bead of the submerged arc welding head to ensure the regular shape of the weld bead and improve the welding qualification rate of the workpiece; the infrared tracking device is a prior art, and the tracking and positioning technology will not be described in detail here.

[0042] In a specific embodiment, the connecting joint 6 is fixedly connected to the end bent beam away from the adjustable frame by a fixing bolt 9, thereby ensuring the connection stability between the connecting joint and the end bent beam. At the same time, when the welding head needs to be replaced according to actual needs, the convenience of disassembling and installing the connecting joint suitable for the welding head can also be improved.

[0043] The specific working process of a bending beam type automatic welding machine disclosed in the utility model is as follows: according to the diameter of the workpiece to be welded, the radius of curvature and the direction of the weld, firstly, the position and angle of the adjustable bending beam wall on the adjustable frame are adjusted by the sliding frame, the lifting assembly, the horizontal drive assembly and the third drive motor, and then the bolts 5 connecting the bending beam are manually loosened, the curvature and shape of the adjustable bending beam arm are adjusted, the bolts 5 are tightened to fix the bending beam, and the shape and curvature of the adjustable bending beam arm are finalized, and then the connecting bolts 7 are manually loosened to adjust the angle of the submerged arc welding head that meets the welding requirements, the connecting bolts 7 are tightened, the submerged arc welding head and the connecting joint are fixed, and finally the submerged arc welding head is started to perform the welding process, and the infrared tracking device is started at the same time to track the position of the weld to ensure the welding quality.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A curved beam type automatic welding machine, characterized in that: It comprises an adjustable frame (1), an adjustable bending beam arm (2), a bending beam fixing seat (3) and a submerged arc welding machine head (4); The bending beam fixing seat (3) is installed on the adjustable frame (1); the bending beam fixing seat (3) can move on the adjustable frame (1) in the horizontal direction and the vertical direction, and can rotate laterally with the adjustable frame; one end of the adjustable bending beam arm (2) is connected to the bending beam fixing seat (3), and the other end is rotatably connected to the submerged arc welding machine head (4); The adjustable bending beam arm (2) comprises a plurality of bending beams (21) connected end to end in sequence, and adjacent bending beams (21) are rotatably connected via bolts (5). The bending beams arranged at both ends are end bending beams. An end of an end bending beam close to the adjustable frame (1) that is not connected to an adjacent bending beam is fixedly connected to the bending beam fixing seat (3), and an end of an end bending beam far from the adjustable frame (1) that is not connected to an adjacent bending beam is provided with the submerged arc welding head (4).

2. A curved beam type automatic welding machine according to claim 1, characterized in that: The submerged arc welding head (4) is connected to the adjustable bending beam arm via a connecting structure, wherein the connecting structure comprises a connecting joint (6) and a connecting bolt (7), wherein one end of the connecting joint is connected to the end bending beam away from the adjustable frame, and the other end of the connecting joint is hinged to the submerged arc welding head via the connecting bolt (7).

3. The bending beam type automatic welding machine according to claim 1, characterized in that: The adjustable frame (1) comprises a column (11) and a sliding frame (12) arranged on the column; the sliding frame (12) is provided with a plurality of first rotary wheels (121), the plurality of first rotary wheels are respectively arranged on both sides of the column and abut against the outer wall of the column; the column is provided with a lifting component (13), the lifting component can drive the sliding frame (12) to rise and fall on the column; The curved beam fixing seat (3) is arranged on the sliding frame (12), and a plurality of second rotary wheels (122) are also arranged on the sliding frame (12), and the plurality of second rotary wheels are respectively arranged on the upper and lower sides of the long strip curved beam fixing seat (3), and the upper and lower outer walls of the curved beam fixing seat are respectively in contact with the second rotary wheels, and the curved beam fixing seat (3) can be horizontally moved on the sliding frame (12) through a horizontal driving assembly (31) arranged thereon.

4. A curved beam type automatic welding machine according to claim 3, characterized in that: It also includes a base (8) arranged at the lower side of the column, a third drive motor (10) is arranged on the base (8), a rotating gear (111) is fixed on the column (11), a drive gear meshing with the rotating gear (111) is arranged at the output end of the third drive motor (10), and the bottom of the column (11) is rotatably arranged in the base.

5. The bending beam type automatic welding machine according to claim 1, characterized in that: It also includes an infrared tracking device for tracking the weld position of the submerged arc welding head.

6. The bending beam type automatic welding machine according to claim 2, characterized in that: The connection joint (6) is fixedly connected to the end curved beam away from the adjustable frame via a fixing bolt (9).

Images