Laser tracking double-filament submerged arc welding head and use method thereof

Abstract

The present invention relates to a laser tracking type double-filament submerged arc welding machine head, comprising a base, an operating screen fixedly mounted on the base, an upper end portion of the base fixedly connected to a column, an upper end portion of the column fixedly connected to a support frame, an upper end portion of the base fixedly connected to a mounting frame, and a welding assembly provided on the base. The laser tracking type double-filament submerged arc welding machine head and its use method, because an anti-backlash device is provided on the NMRV reducer, the active gap of the NMRV reducer can also be avoided by the anti-backlash device, so the staff only needs to adjust the angle of the NMRV reducer in the initial stage, and it can automatically locate and feed the welding gun inside the insulating sleeve by cooperating with the line laser and the linear module, so that the welding process can be automatically corrected in real time, and the gun can be automatically retracted after the arc is closed, thereby reducing the workload of the staff while improving the welding accuracy, thereby improving the processing efficiency and quality of the steel.

Description

Technical Field

[0001] The present invention relates to the technical field of H-beam production equipment, and is directed to mechanical equipment for automated upgrading of a welding and straightening composite machine head, in particular to a laser tracking double-filament submerged arc welding head and a method for using the same. Background Art

[0002] H-shaped steel is an economical and efficient profile with a more optimized cross-sectional area distribution and a more reasonable strength-to-weight ratio. It is named because its cross-section is the same as the English letter "H". The inner sides of the two outer edges of the H-shaped steel have no slope and are straight.

[0003] With the popularization of modern automation in various industries, the reduction of labor intensity and the continuous improvement of safety management awareness, the H-beam processing industry is in urgent need of upgrading. In the traditional H-beam processing process, the manual adjustment of the welding gun and the weld seam is a long time to adjust, and it is not very accurate. There is a defect of untimely real-time adjustment, which not only affects the processing efficiency of steel, but also has certain requirements for workers' operation. Therefore, a laser tracking double-filament submerged arc welding head and its use method are proposed to solve the above problems. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the present invention provides a laser tracking double-filament submerged arc welding head and a method of using the same, which has the advantages of improving processing efficiency and quality, and solves the problems of poor processing efficiency and quality.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a laser tracking double-filament submerged arc welding head, comprising a base, an operating screen fixedly mounted on the base, an upper end of the base fixedly connected to a column, an upper end of the column fixedly connected to a support frame, an upper end of the base fixedly connected to a mounting frame, a welding assembly provided on the base, and a barrel fixedly connected to the front of the support frame;

[0006] The welding assembly includes a cross module with one end fixedly connected to the front of the base, the output end of the cross module is fixedly connected to a connecting bracket, an NMRV reducer is fixedly installed on the inner side of the connecting bracket, an anti-backlash device is fixedly installed on one side of the NMRV reducer, one end of the anti-backlash device is fixedly connected to a two-protection straight handle gun clamp, one side of the two-protection straight handle gun clamp is fixedly connected to a trap tracking bracket, one side of the trap tracking bracket is fixedly installed with a linear laser tracker, the inner side of the two-protection straight handle gun clamp is fixedly connected to an insulating sleeve, and the upper end of the trap tracking bracket is fixedly connected to a discharge pipe located between the two-protection straight handle gun clamp and the linear laser tracker.

[0007] Furthermore, the cross module is composed of a longitudinal linear motor and a transverse linear motor, and the transverse linear motor is fixedly connected to the output shaft of the longitudinal linear motor.

[0008] Furthermore, the longitudinal linear motor is fixedly mounted on the base, and the connecting bracket is fixedly connected to the output shaft of the transverse linear motor.

[0009] Furthermore, the discharge pipe is a hose, and the feed end of the discharge pipe is connected to the barrel.

[0010] Furthermore, a number of material boxes are provided on the inner side of the support frame, and the discharge ends of the plurality of material boxes are connected to the feed end of the barrel.

[0011] Furthermore, the number of the linear modules is two, and the two linear modules are symmetrically distributed on the base.

[0012] A method for using a laser tracking double-filament submerged arc welding head comprises the following steps:

[0013] S1. Initially, manually rotate the NMRV reducer handwheel to make the secondary welding gun and the H-beam flange form a 45° angle (usually), completing the initial parameter setting of the line laser tracker;

[0014] S2. Click to send the gun. The cross module moves down first and then horizontally. After the line laser tracker reaches the detection range, it automatically adjusts according to the initial settings to align the welding gun with the weld.

[0015] S3, click welding, the H-beam is transported forward by the main machine roller on the base, the line laser tracker scans the data in front, and the welding gun is placed behind. After the system processes the data, it sends instructions to the servo motor of the cross module to achieve real-time tracking of welding;

[0016] S4. During the welding process, the welding gun posture may be affected by the connecting parts such as the wire feeding tube, the material discharge tube, and the material recovery tube. Therefore, there must be no active gap at the NMRV reducer. The anti-backlash device on the NMRV reducer head can avoid this problem.

[0017] S5. When one H-beam is welded, the welding gun is automatically retracted by moving horizontally and then upwards under the drive of the cross module.

[0018] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0019] The laser tracking double-filament submerged arc welding head and its use method, since the NMRV reducer is provided with an anti-backlash device, the active gap of the NMRV reducer can also be avoided by the anti-backlash device. Therefore, the staff only needs to adjust the angle of the NMRV reducer in the initial stage. It can cooperate with the line laser and the linear module to automatically position and send the welding gun inside the insulating sleeve, so that the welding process can be automatically corrected in real time and the gun can be automatically retracted after the arc is closed, thereby reducing the workload of the staff and improving the welding accuracy, thereby improving the processing efficiency and quality of the steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is the formal diagram of the welding assembly structure of the present invention;

[0022] Figure 3 A top view of the welding assembly structure of the present invention;

[0023] Figure 4 It is a side view of the welding assembly structure of the present invention.

[0024] In the figure: 1. Base; 2. Operation screen; 3. Column; 4. Support frame; 5. Barrel; 6. Mounting frame; 7. Welding assembly; 71. Cross module; 72. Connecting bracket; 73. NMRV reducer; 74. Anti-backlash device; 75. Insulation sleeve; 76. Two-guard straight handle gun fixture; 77. Trap tracking bracket; 78. Line laser tracker; 79. Discharge pipe. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-4 In this embodiment, a laser tracking double-filament submerged arc welding head includes a base 1, an operating screen 2 is fixedly installed on the base 1, the upper end of the base 1 is fixedly connected to the column 3, the upper end of the column 3 is fixedly connected to the support frame 4, the upper end of the base 1 is fixedly connected to the mounting frame 6, a welding assembly 7 is provided on the base 1, and a barrel 5 is fixedly connected to the front of the support frame 6.

[0027] The welding assembly 7 includes a cross module 71, one end of which is fixedly connected to the front of the base 1, the output end of the cross module 71 is fixedly connected to a connecting bracket 72, the inner side of the connecting bracket 72 is fixedly installed with an NMRV reducer 73, one side of the NMRV reducer 73 is fixedly installed with an anti-backlash device 74, one end of the anti-backlash device 74 is fixedly connected to a two-protection straight handle gun clamp 76, one side of the two-protection straight handle gun clamp 76 is fixedly connected to a trap tracking bracket 77, one side of the trap tracking bracket 77 is fixedly installed with a linear laser tracker 78, the inner side of the two-protection straight handle gun clamp 76 is fixedly connected with an insulating sleeve 75, and the upper end of the trap tracking bracket 77 is fixedly connected to a discharge pipe 79 located between the two-protection straight handle gun clamp 75 and the linear laser tracker 78.

[0028] In this embodiment, since the NMRV reducer 74 is provided with a gap-eliminating device 74, the gap-eliminating device 74 can also be used to avoid the active gap of the NMRV reducer 1. Therefore, the staff only needs to adjust the angle of the NMRV reducer in the initial stage. It can then cooperate with the linear laser 78 and the linear module 71 to automatically position and send the welding gun inside the insulating sleeve 75, so that the welding process can be automatically corrected in real time and the gun can be automatically retracted after the arc is closed, thereby reducing the workload of the staff and improving the welding accuracy, thereby improving the processing efficiency and quality of the steel.

[0029] The cross module 71 is composed of a longitudinal linear motor and a transverse linear motor. The transverse linear motor is fixedly connected to the output shaft of the longitudinal linear motor, so that the longitudinal linear motor drives the transverse linear motor to reciprocate up and down.

[0030] In addition, the longitudinal linear motor is fixedly mounted on the base 1 , and the connecting bracket 72 is fixedly connected to the output shaft of the transverse linear motor, so that the transverse linear motor drives the connecting bracket 72 to reciprocate transversely.

[0031] Secondly, the discharge pipe 79 is a hose, and the feed end of the discharge pipe 79 is connected to the barrel 5, and the discharge pipe 79 is fed with material through the barrel 5.

[0032] Then, a number of material boxes are provided inside the support frame 5 , and the discharge ends of the several material boxes are connected with the feed end of the barrel 5 , so that the barrel 5 is supplied with material through the several material boxes inside the support frame 5 .

[0033] Finally, there are two linear modules 71 , which are symmetrically distributed on the base 1 , and the H-shaped steel is welded by clamping and welding the two sets of linear modules 71 with the insulating sleeve 79 on the inner side of the two-handle straight gun clamp 76 .

[0034] It should be noted that the insulating sleeve 75 is used to clamp the two straight-shank welding guns, and the insulating sleeve 75 can be rotated and adjusted to make the two straight-shank welding guns form a queue or a row.

[0035] A method for using a laser tracking double-filament submerged arc welding head comprises the following steps:

[0036] S1. Initially, manually rotate the handwheel of the NMRV reducer 73 to make the angle between the second welding gun and the H-beam flange plate be 45° (usually), and complete the initial parameter setting of the line laser tracker;

[0037] S2. Click to send the gun. The cross module 71 moves down first and then horizontally. After the line laser tracker 78 reaches the detection range, it automatically adjusts according to the initial settings to align the welding gun with the weld.

[0038] S3, click welding, the H-shaped steel is transported forward by the main machine roller on the base 1, the line laser tracker 78 is placed in front to scan the data, and the welding gun is placed in the back. After the system processes the data, it sends a command to the servo motor of the cross module 71 to achieve real-time tracking of the welding;

[0039] S4. During welding, the welding gun posture may be affected by the connecting parts such as the wire feeding tube, the discharge tube 79, and the recovery tube. Therefore, there must be no movable gap at the NMRV reducer 73. The anti-backlash device 74 on the head of the NMRV reducer 73 can avoid this problem.

[0040] S5. When one H-beam is welded, the welding gun is automatically retracted by the cross module 71 by first moving horizontally and then upwards.

[0041] The electrical components appearing in this article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device that controls a computer, etc., and the existing public power connection technology is not described in detail in this article.

[0042] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0043] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A laser tracking double-filament submerged arc welding head, comprising a base (1), characterized in that: An operating screen (2) is fixedly mounted on the base (1), an upper end portion of the base (1) is fixedly connected to a column (3), an upper end portion of the column (3) is fixedly connected to a support frame (4), an upper end portion of the base (1) is fixedly connected to a mounting frame (6), a welding assembly (7) is provided on the base (1), and a barrel (5) is fixedly connected to the front of the mounting frame (6); The welding assembly (7) comprises a cross module (71) having one end fixedly connected to the front of the base (1); an output end of the cross module (71) is fixedly connected to a connecting bracket (72); an NMRV reducer (73) is fixedly installed on the inner side of the connecting bracket (72); a gap elimination device (74) is fixedly installed on one side of the NMRV reducer (73); one end of the gap elimination device (74) is fixedly connected to a two-handle straightening gun fixture (76); one side of the two-handle straightening gun fixture (76) is fixedly connected to a trap tracking bracket (77); one side of the trap tracking bracket (77) is fixedly installed to a line laser tracker (78); an insulating sleeve (75) is fixedly connected to the inner side of the two-handle straightening gun fixture (76); and an upper end of the trap tracking bracket (77) is fixedly connected to a discharge pipe (79) located between the insulating sleeve (75) and the line laser tracker (78).

2. The laser tracking double-filament submerged arc welding head according to claim 1, characterized in that: The cross module (71) is composed of a longitudinal linear motor and a transverse linear motor, and the transverse linear motor is fixedly connected to the output shaft of the longitudinal linear motor.

3. The laser tracking double-filament submerged arc welding head according to claim 2, characterized in that: The longitudinal linear motor is fixedly mounted on the base (1), and the connecting bracket (72) is fixedly connected to the output shaft of the transverse linear motor.

4. The laser tracking double-filament submerged arc welding head according to claim 1, characterized in that: The discharge pipe (79) is a hose, and the feed end of the discharge pipe (79) is connected to the barrel (5).

5. The laser tracking double-filament submerged arc welding head according to claim 1, characterized in that: A number of material boxes are provided on the inner side of the support frame (4), and the discharge ends of the plurality of material boxes are connected to the feed end of the barrel (5).

6. The laser tracking double-filament submerged arc welding head according to claim 1, characterized in that: There are two cross modules (71), and the two cross modules (71) are symmetrically distributed on the base (1).

7. A method for using a laser tracking double-filament submerged arc welding head, characterized in that , including the following steps: S1, initially manually rotating the hand wheel of the NMRV reducer (73) to make the second welding gun and the H-beam flange plate form an angle of 45 degrees, completing the initial parameter setting of the line laser tracker; S2, click to send the gun, the cross module (71) first moves down and then moves horizontally, and the line laser tracker (78) automatically adjusts according to the initial setting after reaching the detection range, so that the welding gun is aligned with the weld; S3, click welding, the H-shaped steel is transported forward along with the main machine roller on the base (1), the line laser tracker (78) scans the data in front, the welding gun is placed behind, and the system processes and sends instructions to the servo motor of the cross module (71) to achieve real-time tracking of welding; S4. During the welding process, the welding gun posture may be affected by the connecting parts such as the wire feeding tube, the discharge tube (79), and the recovery tube. Therefore, there must be no active gap at the NMRV reducer (73). The anti-backlash device (74) on the head of the NMRV reducer (73) can avoid this problem. S5, until one H-beam is welded, the welding gun is automatically retracted by first moving horizontally and then upwards under the drive of the cross die set (71).

Images