Gantry welding tool

Abstract

The utility model relates to the technical field of welding devices, in particular to a gantry welding tool which comprises a portal frame, walking wheels and rails are arranged at the bottom of the portal frame, the portal frame moves on the rails through the walking wheels, and a cross beam and a vertical driving mechanism for driving the cross beam to ascend and descend in the vertical direction are arranged on the portal frame in a sliding mode in the vertical direction. A mounting plate is arranged on one side of the cross beam in a sliding structure mode, a rotating shaft is arranged on the mounting plate in a rotating structure mode, the rotating shaft is vertically arranged, a cross-shaped sliding table is fixedly arranged on the rotating shaft, and a welding gun is arranged on one side of the cross-shaped sliding table in a fixed structure mode; the welding gun is adjusted in a large range through walking of the portal frame, up-down movement of the cross beam and left-right movement of the mounting plate, the position of the welding gun is finely adjusted through the rotating shaft and the cross-shaped sliding table, the welding time can be shortened, the welding efficiency can be improved, the welding requirements of welding seams in different directions can be met, the application range is widened, and practicability is improved.

Description

Technical field:

[0001] The present application relates to the technical field of welding devices, and in particular to a gantry welding tool. Background technology:

[0002] The utility model patent with application number 201520221203.3 - double-wire gantry welding, including a gantry, a walking wheel is installed at the bottom of the gantry, so that the gantry can move longitudinally, a rack and a slide rail are arranged horizontally on the gantry, a welding mechanism is arranged on the slide rail, the welding mechanism has a slide plate, a motor and a slide block are respectively installed on the slide plate, a gear is installed at the output end of the motor, the gear cooperates with the rack, the slide block cooperates with the slide rail, a vertical movement mechanism is vertically installed on the slide plate, a mounting plate is arranged on the vertical movement mechanism, a first welding gun and a second welding gun are arranged at the lower end of the mounting plate, and the first welding gun and the second welding gun are arranged. The guns are connected side by side longitudinally; a profiling mechanism is installed at the lower end of the mounting plate, the profiling mechanism has a fixed cylinder, the upper end of the fixed cylinder is connected to the mounting plate, a swing rod is arranged in the fixed cylinder, the swing rod can swing laterally relative to the fixed cylinder, the lower end of the swing rod is located below the fixed cylinder, a touch rod is arranged, a sensor is installed on each of the two lateral sides of the upper part of the fixed cylinder, the upper end of the swing rod is located between the two sensors, fixed blocks are arranged on both sides of the lower part of the fixed cylinder, a fixed rod is installed on the swing rod, and reset springs are respectively installed between the fixed rod and the two fixed blocks; the first welding gun and the second welding gun are connected to the fixed cylinder or the mounting plate.

[0003] The welding gun of the device can move along the transverse slide rail and can only move in one direction. For complex welds, workers are required to adjust the welded parts many times to meet the welding requirements of welds in different directions, which is time-consuming and labor-intensive and has poor practicality. Utility model content:

[0004] In order to solve the above technical problems, the utility model provides a gantry welding tool, which solves the technical problem that the welding gun can move along the horizontal slide rail, but can only move in one direction. For complex welds, workers need to adjust the welded parts many times to meet the welding requirements of welds in different directions, which is time-consuming and labor-intensive, and has poor practicality. In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] Gantry welding tooling, including:

[0006] Gantry, the bottom of the gantry is provided with walking wheels and tracks;

[0007] A crossbeam, which is connected to the gantry in a sliding structure;

[0008] A vertical driving mechanism, the vertical driving mechanism is connected to the gantry to drive the crossbeam to rise and fall vertically;

[0009] A mounting plate, the mounting plate is connected to the crossbeam in a sliding structure;

[0010] Cross slide, the cross slide is connected to the mounting plate in a rotating structure;

[0011] A welding gun, which is arranged on one side of the cross slide in a fixed structure;

[0012] A locking member for fixing the rotating shaft, the locking member being connected to the mounting plate;

[0013] The horizontal driving mechanism is connected with the mounting plate to drive the mounting plate to move horizontally.

[0014] Furthermore, the vertical drive mechanism includes a motor, a screw lift and a vertical linear guide rail, the motor output shaft is connected to the input shaft of the screw lift, the output end of the screw lift is connected to the crossbeam, and the crossbeam is connected to the gantry through the vertical linear guide rail.

[0015] Furthermore, a cantilever beam is provided on one side of the mounting plate, and a rotating shaft is provided on the cantilever beam in a rotating structure manner. The rotating shaft is vertically arranged and fixedly connected to the cross slide.

[0016] Furthermore, the locking member is a clamp.

[0017] Furthermore, the horizontal drive mechanism includes a linear guide, a rack, a gear and a servo motor. The mounting plate is connected to the crossbeam through the linear guide, the crossbeam is connected to the rack in a fixed structure, the rack is meshed with the gear, the gear is connected to the output shaft of the servo motor in a fixed structure, and the servo motor is connected to the mounting plate.

[0018] Furthermore, the mounting plate is provided with a T-shaped slideway, a sliding plate is provided in the T-shaped slideway in a sliding structure manner, and the sliding plate is fixedly connected to the servo motor;

[0019] A clamping mechanism for supporting the sliding plate is arranged on one side of the mounting plate.

[0020] Furthermore, the clamping mechanism includes a fixed seat, a through hole is opened on the fixed seat, a pin is arranged in the through hole, a pressure plate is fixedly arranged on the upper end of the pin, the pressure plate is arranged at the lower part of the sliding plate, and a spring is sleeved on the outside of the pin between the pressure plate and the fixed seat.

[0021] The beneficial effects of the utility model are as follows: the welding gun can be adjusted over a large range by moving the gantry, the crossbeam up and down, and the mounting plate left and right, and the position of the welding gun can be fine-tuned by using the rotating shaft and the cross slide, which can not only shorten the welding time and improve the welding efficiency, but also meet the welding requirements of welds in different directions, expand the scope of application, and increase practicality.

[0022] By setting up a clamping mechanism, the gear is always pressed against the rack, reducing the wear of both and improving the transmission accuracy. Description of the drawings:

[0023] Figure 1It is a three-dimensional structural schematic diagram of the utility model.

[0024] Figure 2 It is a structural schematic diagram of the installation plate of the utility model.

[0025] In the figure:

[0026] 1. Gantry, 2. Crossbeam, 3. Mounting plate, 4. Rotating shaft, 5. Cross slide, 6. Welding gun, 7. Locking piece, 8. Pressure plate, 9. Motor, 10. Screw lift, 11. Cantilever beam, 12. Linear guide, 13. Rack, 14. T-type slide, 15. Sliding plate, 16. Fixed seat, 17. Pin shaft. Specific implementation method:

[0027] In order to make the purpose, technical scheme and advantages of the implementation of the utility model clearer, the utility model will now be further described in detail with reference to the accompanying drawings and the following examples so that the public can better understand the implementation method of the utility model. The specific implementation scheme of the utility model is as follows:

[0028] The gantry welding tool comprises a gantry 1, a running wheel and a track are arranged at the bottom of the gantry 1, the gantry 1 moves on the track through the running wheel, a cross beam 2 is arranged on the gantry along the vertical sliding direction, and a vertical driving mechanism for driving the cross beam 2 to rise and fall vertically, a mounting plate 3 is arranged on one side of the cross beam 2 in a sliding structure mode, a rotating shaft 4 is arranged on the mounting plate 3 in a rotating structure mode, the rotating shaft 4 is arranged vertically, a cross slide 5 is fixedly arranged on the rotating shaft 4, and a welding gun 6 is arranged on one side of the cross slide 5 in a fixed structure mode; the mounting plate 3 is also provided with a horizontal driving mechanism and a locking member 7 for fixing the rotating shaft 4, and the horizontal driving mechanism is connected to the mounting plate 3 to drive the mounting plate 3 to move horizontally. Through the walking of the gantry 1, the up and down movement of the cross beam 2 and the left and right movement of the mounting plate 3, the welding gun 6 is adjusted in a large range, and then the rotating shaft 4 and the cross slide are used to fine-tune the position of the welding gun, which can not only shorten the welding time and improve the welding efficiency, but also meet the welding requirements of welds in different directions, expand the scope of application, and increase practicality.

[0029] Specifically, the vertical drive mechanism includes a motor 9, a screw lift 10 and a vertical linear guide. The output shaft of the motor 9 is connected to the input shaft of the screw lift 10, the output end of the screw lift 10 is connected to the beam 2, and the beam is connected to the gantry through a vertical linear guide to facilitate the vertical lifting of the beam.

[0030] A cantilever beam 11 is arranged on one side of the mounting plate 3. The cantilever beam 11 is provided with a rotating shaft 4 in a rotating structure. The rotating shaft 4 is arranged vertically and fixedly connected to the cross slide 5 to meet the need of the welding gun rotating in the circumferential direction.

[0031] It should be explained that the locking member 7 is a clamping device used to clamp the rotating shaft at a predetermined position to prevent it from rotating.

[0032] Specifically, the horizontal drive mechanism includes a linear guide 12, a rack 13, a gear and a servo motor. The mounting plate 3 is connected to the crossbeam 2 through the linear guide 12. The crossbeam 2 is connected to the rack 13 in a fixed structure. The rack 13 is meshed with the gear. The gear is connected to the servo motor output shaft in a fixed structure. The servo motor is connected to the mounting plate 3. It should be noted that the servo motor output shaft passes through the mounting plate 3 and is connected to the gear, and a bar-shaped through hole is provided on the mounting plate for the servo motor output shaft to move.

[0033] Furthermore, the mounting plate 3 is provided with a T-shaped slide 14, in which a sliding plate 15 is provided in a sliding structure, and the sliding plate 15 is fixedly connected to the servo motor; a clamping mechanism for supporting the sliding plate 15 is provided on one side of the mounting plate 3, which always presses the gear against the rack, reduces the wear of both, and improves the transmission accuracy.

[0034] Specifically, the clamping mechanism includes a fixed seat 16, a through hole is opened on the fixed seat 16, a pin shaft 17 is arranged in the through hole, a pressure plate 8 is fixedly arranged on the upper end of the pin shaft 17, and the pressure plate 8 is arranged at the lower part of the sliding plate 15. A spring is sleeved on the outside of the pin shaft 17 between the pressure plate 8 and the fixed seat 16. The pressure plate 8 is pressed against the sliding plate 15 by the elastic force of the spring, and then the gear is pressed against the rack 13 by the servo motor 9.

[0035] The working principle and working process of the utility model are as follows:

[0036] Clamp the weldment on the tooling under the gantry, and move the gantry to the top of the weldment by the walking wheels; start the motor 9 to drive the screw lift 10 to drive the crossbeam 2, the mounting plate 3, the cross slide 5, and the welding gun 6 to move downward; start the servo motor, and the servo motor drives the gear to engage with the rack 13, thereby driving the mounting plate 3, the cross slide 5, and the welding gun 6 to move to one side of the weldment, and then rotating the shaft 4 to drive the cross slide 5 and the welding gun 6 to the predetermined position, and fix the shaft by the clamp 7 to carry out welding. During the welding process, it is necessary to adjust the movement of the welding gun by moving the gantry 1, the mounting plate 3, and the cross slide 5 according to the direction of the weld.

[0037] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "front", "back", "lower left", "upper right", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Although the present invention has been described according to a limited number of embodiments, those skilled in the art, with the benefit of the above description, should understand that other embodiments can be conceived within the scope of the present invention described thereby.

Claims

1. Gantry welding tool, characterized in that: include: A gantry (1), wherein the bottom of the gantry (1) is provided with running wheels and tracks; A crossbeam (2), the crossbeam (2) being connected to the gantry (1) in a sliding structure manner; A vertical driving mechanism, the vertical driving mechanism is connected to the gantry (1) to drive the crossbeam (2) to rise and fall vertically; A mounting plate (3), the mounting plate (3) being connected to the crossbeam (2) in a sliding structure; A cross slide (5), the cross slide (5) is connected to the mounting plate (3) in a rotating structure; A welding gun (6), the welding gun (6) is arranged on one side of the cross slide (5) in a fixed structure manner; A locking member (7) for fixing the rotating shaft (4), wherein the locking member (7) is connected to the mounting plate (3); A horizontal driving mechanism is connected to the mounting plate (3) to drive the mounting plate (3) to move horizontally.

2. The gantry welding tool according to claim 1, characterized in that: The vertical drive mechanism comprises a motor (9), a lead screw lift (10) and a vertical linear guide rail, wherein the output shaft of the motor (9) is connected to the input shaft of the lead screw lift (10), the output end of the lead screw lift (10) is connected to the crossbeam (2), and the crossbeam is connected to the gantry via the vertical linear guide rail.

3. The gantry welding tool according to claim 1, characterized in that: A cantilever beam (11) is arranged on one side of the mounting plate (3), and a rotating shaft (4) is arranged on the cantilever beam (11) in a rotating structure manner. The rotating shaft (4) is arranged vertically and is fixedly connected to the cross slide (5).

4. The gantry welding tool according to claim 1, characterized in that: The locking member (7) is a clamp.

5. The gantry welding tool according to claim 1, characterized in that: The horizontal driving mechanism comprises a linear guide rail (12), a rack (13), a gear and a servo motor; the mounting plate (3) is connected to the crossbeam (2) via the linear guide rail (12); the crossbeam (2) is connected to the rack (13) in a fixed structure; the rack (13) is meshed with the gear; the gear is connected to the output shaft of the servo motor in a fixed structure; and the servo motor is connected to the mounting plate (3).

6. The gantry welding tool according to claim 1, characterized in that: The mounting plate (3) is provided with a T-shaped slideway (14), a sliding plate (15) is provided in the T-shaped slideway (14) in a sliding structure manner, and the sliding plate (15) is fixedly connected to the servo motor; A clamping mechanism for supporting the sliding plate (15) is provided on one side of the mounting plate (3).

7. The gantry welding tool according to claim 1, characterized in that: The clamping mechanism comprises a fixing seat (16), a through hole is formed on the fixing seat (16), a pin shaft (17) is arranged in the through hole, a pressing plate (8) is fixedly arranged on the upper end of the pin shaft (17), the pressing plate (8) is arranged at the lower part of the sliding plate (15), and a spring is sleeved on the outside of the pin shaft (17) between the pressing plate (8) and the fixing seat (16).

Images