Multi-shaft surfacing welding machine for welding middle groove of scraper conveyor

Abstract

The multi-shaft surfacing welding machine comprises a supporting frame, a gantry support, at least one vertical moving suspension and an adjustable welding gun assembly, a longitudinal moving track is arranged at the upper end of the supporting frame, and the gantry support is in lap joint with the supporting frame and can move along the longitudinal moving track. The gantry support is provided with a transverse moving rail and a sliding rail seat, the sliding rail seat can move along the transverse moving rail, the vertical moving suspension frame is arranged on the sliding rail seat and can vertically move along the sliding rail seat, and the adjustable welding gun assembly is arranged on the vertical moving suspension frame. The adjustable welding gun assembly comprises a first rotating assembly, a second rotating assembly, a third rotating assembly and a welding gun, the fixed end of the first rotating assembly is fixedly connected with the vertical moving suspension, a rotating shaft of the first rotating assembly is connected with the fixed end of the second rotating assembly, and a rotating shaft of the second rotating assembly is connected with the fixed end of the third rotating assembly. A rotating shaft of the third rotating shaft assembly is fixedly connected with the welding gun.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, and in particular to a multi-axis surfacing welding machine for welding the middle trough of a scraper conveyor. Background Technology

[0002] The welding process for the central trough of a scraper conveyor is quite complex, requiring welding at numerous locations, such as the wear-resistant layer of the bottom plate, the chain track, the C-shaped trough and its upper edge, the weld between the bottom plate and the trough side, the W-shaped trough, and the scraper plate. Manual welding is too slow and produces inconsistent weld quality. Existing welding machines are also ill-suited to the complex conditions of the central trough, leaving many special locations unwelded and requiring manual spot welding for repairs. Utility Model Content

[0003] In view of this, it is necessary to provide a high-efficiency multi-axis welding machine for welding the middle trough of a scraper conveyor, which can perform all-round welding of the middle trough without the need for manual repair welding.

[0004] A multi-axis welding machine for welding the middle trough of a scraper conveyor includes a support frame, a gantry support, at least one vertical moving suspension, and an adjustable welding torch assembly. The upper end of the support frame is provided with a longitudinal moving track. The gantry support overlaps with the support frame and can move along the longitudinal moving track. The gantry support is provided with a transverse moving track and a slide rail seat. The slide rail seat can move along the transverse moving track. The vertical moving suspension is mounted on the slide rail seat and can move vertically along the slide rail seat. The adjustable welding torch assembly is mounted on the vertical moving suspension to drive the adjustable welding torch assembly to move. The adjustable welding torch assembly includes a first rotating assembly, a second rotating assembly, a third rotating assembly, and a welding torch. The fixed end of the first rotating shaft assembly is fixedly connected to the vertical moving suspension. The rotating shaft of the first rotating assembly is connected to the fixed end of the second rotating assembly to drive the second rotating assembly to rotate. The rotating shaft of the second rotating assembly is connected to the fixed end of the third rotating assembly to drive the third rotating assembly to rotate. The rotating shaft of the third rotating shaft assembly is fixedly connected to the welding torch to drive the welding torch to rotate.

[0005] Preferably, the first rotating assembly includes two fixed plates, a first sleeve, a first rotating rod, and a first locking nut. The fixed plates are fixedly connected to the vertical moving suspension. The first sleeve is clamped between the two fixed plates. The first rotating rod is fixedly connected to the first sleeve. The first rotating rod is horizontally positioned. One end of the first rotating rod is provided with an external thread and connected to the first locking nut. The other end of the first rotating rod is connected to the second rotating assembly.

[0006] Preferably, the second rotating assembly includes a second sleeve, a second rotating rod, and a second locking nut. The second sleeve is vertically and fixedly connected to the first rotating rod, and the second rotating rod is sleeved and connected to the second sleeve. One end of the second rotating rod is provided with an external thread and connected to the second locking nut, and the other end of the second rotating rod is connected to the third rotating assembly.

[0007] Preferably, the third rotating assembly includes a connecting sleeve, a third sleeve, and a rotating motor. The upper end of the connecting sleeve is fixedly connected to the lower end of the second rotating rod, and the lower end of the connecting sleeve is vertically fixedly connected to the third sleeve. The third sleeve is sleeved and interference-fitted with the welding torch. The lower end of the third sleeve is provided with a mounting seat. The body of the rotating motor is fixedly connected to the mounting seat, and the rotating motor is drively connected to the welding torch.

[0008] Preferably, the multi-axis welding machine for welding the middle trough of the scraper conveyor further includes a longitudinal drive motor, a transverse drive motor, a vertical drive motor, and a controller. The longitudinal drive motor drives the gantry support to move longitudinally, the transverse drive motor drives the slide rail seat to move transversely, and the vertical drive motor drives the vertical moving suspension to move vertically. The controller is electrically connected to the longitudinal drive motor, the transverse drive motor, and the vertical drive motor.

[0009] Beneficial effects: The multi-axis welding machine for welding the middle trough of the scraper conveyor of this utility model can move horizontally in three directions: front-back, left-right, and up-down. It can also rotate around three mutually perpendicular axes, thus adapting to welding at different positions in the middle trough without the need for repair welding. It can also perform sinusoidal oscillation welding, rectangular oscillation welding, diamond welding, reciprocating welding, oblique line welding, whole plate welding, and skylight welding on scraper conveyors and transfer conveyors, demonstrating strong adaptability. Attached Figure Description

[0010] Figure 1 This is a structural schematic diagram of a multi-axis welding machine for welding the middle trough of the scraper conveyor according to the present invention, showing a preferred angle.

[0011] Figure 2 This is a structural schematic diagram of another preferred angle of the multi-axis surfacing welding machine for welding the middle trough of the scraper conveyor of this utility model.

[0012] Figure 3 for Figure 2 A partial structural diagram.

[0013] Figure 4 This is a partial structural schematic diagram of the multi-axis surfacing welding machine used for welding the middle trough of the scraper conveyor of this utility model.

[0014] The diagram shows: a multi-axis welding machine 10 for welding the middle trough of a scraper conveyor, a support frame 20, a gantry support 30, a transverse moving track 301, a slide rail seat 302, a vertical moving suspension 40, an adjustable welding torch assembly 50, a first rotating assembly 501, a fixed plate 5011, a first sleeve 5012, a first rotating rod 5013, a first locking nut 5014, a second rotating assembly 502, a second sleeve 5021, a second rotating rod 5022, a second locking nut 5023, a third rotating assembly 503, a connecting sleeve 5031, a third sleeve 5032, a rotating motor 5033, a pulley 5034, a welding torch 504, a longitudinal drive motor 60, a transverse drive motor 70, a vertical drive motor 80, and a controller 90. Detailed Implementation

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Please refer to Figures 1 to 4 A multi-axis welding machine 10 for welding the middle trough of a scraper conveyor includes a support frame 20, a gantry support 30, at least one vertical moving suspension 40, and an adjustable welding torch assembly 50. The upper end of the support frame 20 is provided with a longitudinal moving track. The gantry support 30 overlaps with the support frame 20 and can move along the longitudinal moving track. The gantry support 30 is provided with a transverse moving track 301 and a slide rail seat 302. The slide rail seat 302 can move along the transverse moving track 301. The vertical moving suspension 40 is mounted on the slide rail seat 302 and can move vertically along the slide rail seat 302. The adjustable welding torch assembly 50 is mounted on the vertical moving suspension 40 to... The vertical moving suspension 40 drives the adjustable welding torch assembly 50 to move; the adjustable welding torch assembly 50 includes a first rotating assembly 501, a second rotating assembly 502, a third rotating assembly 503, and a welding torch 504. The fixed end of the first rotating shaft assembly is fixedly connected to the vertical moving suspension 40. The rotating shaft of the first rotating assembly 501 is connected to the fixed end of the second rotating assembly 502 to drive the second rotating assembly 502 to rotate. The rotating shaft of the second rotating assembly 502 is connected to the fixed end of the third rotating assembly 503 to drive the third rotating assembly 503 to rotate. The rotating shaft of the third rotating shaft assembly is fixedly connected to the welding torch 504 to drive the welding torch 504 to rotate.

[0017] In a preferred embodiment, two vertically movable suspensions 40 are arranged in parallel on the gantry bracket 30. Each vertically movable suspension 40 is provided with two adjustable welding gun assemblies 50 in the vertical direction, so that four welding guns 504 can be operated simultaneously to weld the central groove, thereby improving welding efficiency.

[0018] The most frequently used rotation in the adjustable welding torch assembly 50 is the rotation of the welding torch 504 itself around its axis. After adjusting the angles of the first rotation assembly 501 and the second rotation assembly 502 to the correct positions, the angles need to be fixed.

[0019] In a preferred embodiment, the first rotating assembly 501 includes two fixed plates 5011, a first sleeve 5012, a first rotating rod 5013, and a first locking nut 5014. The fixed plates 5011 are fixedly connected to the vertical moving suspension 40. The first sleeve 5012 is sandwiched between the two fixed plates 5011. The first rotating rod 5013 is fixedly connected to the first sleeve 5012 and is horizontally positioned. One end of the first rotating rod 5013 has an external thread and is connected to the first locking nut 5014. The other end of the first rotating rod 5013 is connected to the second rotating assembly 502. When the angle of the first rotating rod 5013 is adjusted to the correct position, by tightening the first locking nut 5014, a sufficiently large frictional force is obtained between the first adjusting nut and the fixed plates 5011, preventing them from rotating relative to each other. At this time, the first locking nut 5014 and the first rotating rod 5013 are in a relatively fixed relationship. When the first adjusting nut and the fixing plate 5011 cannot rotate relative to each other, the first rotating rod 5013 and the fixing plate 5011 also cannot rotate relative to each other, thereby fixing the first rotating rod 5013.

[0020] Similarly, in a preferred embodiment, the second rotating assembly 502 includes a second sleeve 5021, a second rotating rod 5022, and a second locking nut 5023. The second sleeve 5021 is vertically fixedly connected to the first rotating rod 5013, and the second rotating rod 5022 is sleeved and connected to the second sleeve 5021. One end of the second rotating rod 5022 is provided with an external thread and connected to the second locking nut 5023, and the other end of the second rotating rod 5022 is connected to the third rotating assembly 503. When the angle of the second rotating rod 5022 is adjusted to the correct position, the second locking nut 5023 is tightened, and the second sleeve 5021 is clamped between the second locking nut 5023 and the third rotating assembly 503, thereby fixing the second rotating rod 5022.

[0021] In a preferred embodiment, the third rotating assembly 503 includes a connecting sleeve 5031, a third sleeve 5032, and a rotating motor 5033. The upper end of the connecting sleeve 5031 is fixedly connected to the lower end of the second rotating rod 5022, and the lower end of the connecting sleeve 5031 is vertically fixedly connected to the third sleeve 5032. The third sleeve 5032 is sleeved and interference-fitted with the welding torch 504. The lower end of the third sleeve 5032 is provided with a mounting seat. The body of the rotating motor 5033 is fixedly connected to the mounting seat, and the rotating motor 5033 is drive-connected to the welding torch 504.

[0022] The rotating motor 5033 and the welding torch 504 can be connected by either belt drive or chain drive. Considering that the angle adjustment range of the chain drive connection is relatively small, the belt drive connection is preferred.

[0023] When a belt drive connection is used, a pulley 5034 is respectively installed on the shaft of the rotating motor 5033 and the tail of the welding torch 504. A drive belt is fitted onto both ends of the pulley 5034. When the shaft of the rotating motor 5033 rotates, it drives the pulley 5034 to rotate, thereby driving the welding torch 504 to rotate. To facilitate control of the angle of the welding torch 504, the diameter of the pulley 5034 on the welding torch 504 is larger than the diameter of the shaft of the rotating motor 5033.

[0024] In a preferred embodiment, the multi-axis welding machine 10 for welding the middle trough of the scraper conveyor of this invention operates by controlling the welding torch 504 via a remote control. The longitudinal movement of the welding torch 504 is achieved by moving the gantry support 30. Specifically, the gantry support 30 is equipped with several traveling wheels, which move along the longitudinal movement track of the support frame 20. One of the traveling wheels serves as a drive wheel and is connected to the shaft of the drive motor, causing the drive motor to move the drive wheel, thereby moving the gantry support 30. Of course, in another preferred embodiment, the gantry support 30 can also be driven longitudinally by a hydraulic rod or a threaded telescopic rod. This application method is common and will not be repeated. Similarly, the slide rail seat 302 and the vertical moving suspension 40 can also be driven laterally by a motor, or by a hydraulic rod or a threaded telescopic rod, and will not be repeated.

[0025] When the motor drive method is adopted, the multi-axis welding machine 10 for welding the middle trough of the scraper conveyor also includes a longitudinal drive motor, a transverse drive motor, a vertical drive motor, and a controller. The longitudinal drive motor drives the gantry support 30 to move longitudinally, the transverse drive motor drives the slide rail seat 302 to move laterally, and the vertical drive motor drives the vertical moving suspension 40 to move vertically. The controller is electrically connected to the longitudinal drive motor, the transverse drive motor, and the vertical drive motor.

[0026] The controller can be in the form of a remote control or a control box. Each welding torch 504 can be controlled individually or simultaneously, depending on the controller's programming. According to the controller's programmed settings, the start / stop, speed, and direction of the longitudinal drive motor, transverse drive motor, vertical drive motor, and rotary motor 5033 are controlled, thereby controlling the welding torch 504 to perform multi-directional operations. To achieve this control, servo motors are used for the drive motors.

[0027] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A multi-axis surfacing welding machine for welding the middle trough of a scraper conveyor, characterized in that: The system includes a support frame, a gantry bracket, at least one vertical moving suspension, and an adjustable welding torch assembly. The upper end of the support frame is provided with a longitudinal moving track. The gantry bracket overlaps with the support frame and can move along the longitudinal moving track. The gantry bracket is provided with a transverse moving track and a slide rail seat, which can move along the transverse moving track. The vertical moving suspension is mounted on the slide rail seat and can move vertically along the slide rail seat. The adjustable welding torch assembly is mounted on the vertical moving suspension to drive its movement. The adjustable welding torch assembly includes a first rotating component, a second rotating component, a third rotating component, and a welding torch. The fixed end of the first rotating component is fixedly connected to the vertical moving suspension. The rotating shaft of the first rotating component is connected to the fixed end of the second rotating component to drive the second rotating component to rotate. The rotating shaft of the second rotating component is connected to the fixed end of the third rotating component to drive the third rotating component to rotate. The rotating shaft of the third rotating component is fixedly connected to the welding torch to drive the welding torch to rotate.

2. The multi-axis welding machine for welding the middle trough of the scraper conveyor as described in claim 1, characterized in that: The first rotating assembly includes two fixed plates, a first sleeve, a first rotating rod, and a first locking nut. The fixed plates are fixedly connected to the vertical moving suspension. The first sleeve is sandwiched between the two fixed plates. The first rotating rod is fixedly connected to the first sleeve. The first rotating rod is horizontally positioned. One end of the first rotating rod has an external thread and is connected to the first locking nut. The other end of the first rotating rod is connected to the second rotating assembly.

3. The multi-axis welding machine for welding the middle trough of the scraper conveyor as described in claim 2, characterized in that: The second rotating assembly includes a second sleeve, a second rotating rod, and a second locking nut. The second sleeve is vertically and fixedly connected to the first rotating rod. The second rotating rod is sleeved and connected to the second sleeve. One end of the second rotating rod is provided with an external thread and connected to the second locking nut. The other end of the second rotating rod is connected to the third rotating assembly.

4. The multi-axis welding machine for welding the middle trough of the scraper conveyor as described in claim 3, characterized in that: The third rotating assembly includes a connecting sleeve, a third sleeve, and a rotating motor. The upper end of the connecting sleeve is fixedly connected to the lower end of the second rotating rod, and the lower end of the connecting sleeve is vertically fixedly connected to the third sleeve. The third sleeve is sleeved and interference-fitted with the welding torch. The lower end of the third sleeve is provided with a mounting seat. The body of the rotating motor is fixedly connected to the mounting seat, and the rotating motor is drively connected to the welding torch.

5. The multi-axis welding machine for welding the middle trough of the scraper conveyor as described in claim 1, characterized in that: The multi-axis welding machine for welding the middle trough of the scraper conveyor also includes a longitudinal drive motor, a transverse drive motor, a vertical drive motor, and a controller. The longitudinal drive motor drives the gantry support to move longitudinally, the transverse drive motor drives the slide rail seat to move transversely, and the vertical drive motor drives the vertical moving suspension to move vertically. The controller is electrically connected to the longitudinal drive motor, the transverse drive motor, and the vertical drive motor.

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