阅读说明：本技术 一种用于膜式水冷壁堆焊的焊***组 (Welding gun module for membrane type water-cooled wall surfacing ) 是由 程远 袁玉荣 蔡朋飞 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种用于膜式水冷壁堆焊的焊枪模组,包括前后移动机构、水平角度调节机构、激光跟踪机构、伺服摆动机构、竖直角度调节机构以及焊枪；其中,前后移动机构包括L型安装架和移动板；水平角度调节机构设置在移动板上,水平角度调节机构包括带齿纹的转动板和手轮,转动板通过转轴与移动板转动连接,手轮中的齿轮与转动板边沿的齿纹传动连接；激光跟踪机构通过转接板I固定在转动板上,激光跟踪机构包括驱动装置和激光跟踪器,驱动装置带动激光跟踪器作靠近或远离待焊接工件的移动；伺服摆动机构固定在转接板II上,焊枪通过竖直角度调节机构固定在伺服摆动机构上,伺服摆动机构带动焊枪相对待焊接工件沿水平方向向左或向右摆动。(The invention discloses a welding gun module for membrane type water-cooled wall surfacing, which comprises a front-back moving mechanism, a horizontal angle adjusting mechanism, a laser tracking mechanism, a servo swinging mechanism, a vertical angle adjusting mechanism and a welding gun, wherein the front-back moving mechanism is arranged on the front side of a welding gun; the front-back moving mechanism comprises an L-shaped mounting rack and a moving plate; the horizontal angle adjusting mechanism is arranged on the moving plate and comprises a rotating plate with insections and a hand wheel, the rotating plate is rotationally connected with the moving plate through a rotating shaft, and a gear in the hand wheel is in transmission connection with the insections on the edge of the rotating plate; the laser tracking mechanism is fixed on the rotating plate through the adapter plate I and comprises a driving device and a laser tracker, and the driving device drives the laser tracker to move close to or far away from a workpiece to be welded; the servo swing mechanism is fixed on the adapter plate II, the welding gun is fixed on the servo swing mechanism through the vertical angle adjusting mechanism, and the servo swing mechanism drives the welding gun to swing leftwards or rightwards relative to a workpiece to be welded along the horizontal direction.)

1. The utility model provides a welder module for membrane wall build-up welding which characterized in that: the device comprises a front-back moving mechanism, a horizontal angle adjusting mechanism, a laser tracking mechanism, a servo swinging mechanism, a vertical angle adjusting mechanism and a welding gun; the front-back moving mechanism comprises an L-shaped mounting frame and a moving plate which is connected with the L-shaped mounting frame in a sliding manner; the horizontal angle adjusting mechanism is arranged on the moving plate and comprises a rotating plate with insections and a hand wheel, the rotating plate is rotationally connected with the moving plate through a rotating shaft, and a gear in the hand wheel is in transmission connection with the insections on the edge of the rotating plate; the laser tracking mechanism is fixed on the rotating plate through the adapter plate I and comprises a driving device and a laser tracker fixed on the driving device through the adapter plate II, and the driving device drives the laser tracker to move close to or far away from a workpiece to be welded; the servo swing mechanism is fixed on the adapter plate II, the welding gun is fixed on the servo swing mechanism through the vertical angle adjusting mechanism, and the servo swing mechanism drives the welding gun to swing leftwards or rightwards relative to a workpiece to be welded along the horizontal direction.

2. The welding gun module for membrane wall weld deposit according to claim 1, characterized in that: the bottom of the movable plate is provided with a linear guide rail and a buffer block arranged at the end part of the movable plate, the vertical side of the L-shaped mounting frame is fixedly mounted on the external support frame, and the horizontal side of the L-shaped mounting frame is provided with a sliding block which is matched and connected with the linear guide rail, a limiting block which corresponds to the buffer block and a linear slide rail clamp.

3. The welding gun module for membrane wall weld deposit according to claim 1, characterized in that: and the rotating plate is provided with an arc-shaped groove corresponding to the set radian of the insections.

4. the welding gun module for membrane wall weld deposit according to claim 1, characterized in that: the driving device is a linear sliding table with a servo motor.

5. The welding gun module for membrane wall weld deposit according to claim 1, characterized in that: vertical angle adjustment mechanism includes the connecting plate, the mounting panel, L type regulating plate and take the welder holder of locking handle, the connecting plate is fixed on servo swing mechanism, mounting panel one end is rotated with the connecting plate through the pivot and is connected, the mounting panel other end is connected with the connecting plate through rotatory plunger, L type regulating plate horizontal side is fixed on the mounting panel, be equipped with the rotation axis on the vertical side of L type regulating plate, the rotation axis adopts the bearing rotation to be connected with the vertical side of L type regulating plate, the welder holder cover establish on the rotation axis and with rotation axis fixed connection, still be equipped with the arc wall on the vertical side of L type regulating plate, the welder holder passes through the locking handle to be fixed on L type regulating plate, welder fixes on.

6. The welding gun module for membrane wall weld deposit according to claim 1, characterized in that: the laser tracking device further comprises a PLC controller, and the driving device, the laser tracker and the servo swing mechanism are in wireless communication connection with the PLC controller respectively.

Technical Field

The invention relates to a welding gun module for membrane type water-cooled wall surfacing.

Background

The water-cooled wall is the main heated part of the boiler equipment, and is composed of a plurality of rows of steel pipes which are distributed around the hearth of the boiler. The inside of the water-cooled wall is flowing water or steam, and the outside receives the heat of the flame of the boiler hearth. Mainly absorbs the radiation heat of high-temperature combustion products in the hearth, and the working medium rises in the hearth and is heated and evaporated.

High-temperature corrosion and abrasion of water wall tubes, which are the most common serious problems, and the temperature of the working environment, the content of sulfur and the erosion of smoke and ash particles. The surface of the water-cooled wall can be protected by adopting surface overlaying, namely a layer of heat-resistant and corrosion-resistant material is overlaid on the surface of the water-cooled wall.

disclosure of Invention

The invention aims to solve the technical problem of providing a welding gun module for membrane type water-cooled wall surfacing, and the welding gun module can realize the adjustment or correction of the three-dimensional space posture of a welding gun through a front-back moving mechanism, a horizontal angle adjusting mechanism and a vertical angle adjusting mechanism after the welding gun is fixed, so that the welding quality and efficiency are effectively ensured.

in order to solve the technical problems, the technical scheme adopted by the invention is as follows:

A welding gun module for membrane type water-cooled wall surfacing comprises a front-back moving mechanism, a horizontal angle adjusting mechanism, a laser tracking mechanism, a servo swinging mechanism, a vertical angle adjusting mechanism and a welding gun; the front-back moving mechanism comprises an L-shaped mounting frame and a moving plate which is connected with the L-shaped mounting frame in a sliding manner; the horizontal angle adjusting mechanism is arranged on the moving plate and comprises a rotating plate with insections and a hand wheel, the rotating plate is rotationally connected with the moving plate through a rotating shaft, and a gear in the hand wheel is in transmission connection with the insections on the edge of the rotating plate; the laser tracking mechanism is fixed on the rotating plate through the adapter plate I and comprises a driving device and a laser tracker fixed on the driving device through the adapter plate II, and the driving device drives the laser tracker to move close to or far away from a workpiece to be welded; the servo swing mechanism is fixed on the adapter plate II, the welding gun is fixed on the servo swing mechanism through the vertical angle adjusting mechanism, and the servo swing mechanism drives the welding gun to swing leftwards or rightwards relative to a workpiece to be welded along the horizontal direction.

The bottom of the moving plate is provided with a linear guide rail and a buffer block arranged at the end part of the moving plate, the vertical side of the L-shaped mounting rack is fixedly mounted on the external support frame, and the horizontal side of the L-shaped mounting rack is provided with a sliding block which is matched and connected with the linear guide rail, a limiting block which corresponds to the buffer block and a linear slide rail clamp.

the locking handle penetrates through the arc-shaped groove and is connected with a threaded hole with an inner thread on the movable plate in a matched mode through the inner thread and the outer thread, and therefore the movable plate is fixed on the movable plate.

Wherein, drive arrangement is for taking servo motor's linear slip table.

Wherein, vertical angle adjustment mechanism includes the connecting plate, the mounting panel, L type regulating plate and take the welder holder of locking handle, the connecting plate is fixed on servo swing mechanism, mounting panel one end is rotated with the connecting plate through the pivot and is connected, the mounting panel other end is connected with the connecting plate through rotatory plunger, L type regulating plate horizontal side is fixed on the mounting panel, be equipped with the rotation axis on the vertical side of L type regulating plate, the rotation axis adopts the bearing rotation to be connected with the vertical side of L type regulating plate, welder holder cover establish on the rotation axis and with rotation axis fixed connection, still be equipped with the arc wall on the vertical side of L type regulating plate, the welder holder passes through the locking handle to be fixed on L type regulating plate, welder fixes on the.

Wherein, still include the PLC controller, drive arrangement, laser tracker and servo swing mechanism are connected with PLC controller wireless communication respectively.

Has the advantages that: after the welding gun is fixed, the three-dimensional space posture of the welding gun can be adjusted or corrected through the front-back moving mechanism, the horizontal angle adjusting mechanism and the vertical angle adjusting mechanism, so that the welding quality is effectively guaranteed, the labor cost is reduced, and the welding efficiency is improved.

Drawings

FIG. 1 is a schematic view of a welding gun module according to the present invention;

FIG. 2 is a schematic structural diagram of a forward and backward movement mechanism in the welding gun module;

FIG. 3 is a schematic structural diagram of an L-shaped mounting rack in the forward-backward movement mechanism;

FIG. 4 is a schematic structural diagram I of a moving plate in the forward-backward moving mechanism;

FIG. 5 is a schematic structural diagram II of the moving plate in the forward-backward moving mechanism;

FIG. 6 is a schematic connection diagram of the horizontal angle adjusting mechanism fixed to the forward-backward moving mechanism;

FIG. 7 is a schematic view of a horizontal angle adjustment mechanism in the welding gun module;

FIG. 8 is a schematic view of a laser tracking mechanism in a torch module;

FIG. 9 is a schematic view of the laser tracking mechanism being attached to the horizontal angle adjustment mechanism;

FIG. 10 is a schematic view of a servo oscillating mechanism in a welding gun module;

FIG. 11 is a schematic view of the servo oscillating mechanism being attached to the laser tracking mechanism;

FIG. 12 is a schematic view of the connection of the connecting plate and the mounting plate in the vertical angle adjustment mechanism;

FIG. 13 is a schematic structural view of an L-shaped adjustment plate in the vertical angle adjustment mechanism;

FIG. 14 is a schematic view of the attachment of the L-shaped adjustment plate to the mounting plate;

FIG. 15 is a schematic view of the welding gun holder being attached to the L-shaped adjustment plate;

FIG. 16 is a schematic view of the attachment of the torch to the torch holder;

Fig. 17 is a schematic view of a locking handle.

Detailed Description

The invention will be better understood from the following examples. However, those skilled in the art will readily appreciate that the description of the embodiments is only for illustrating the present invention and should not be taken as limiting the invention as detailed in the claims.

As shown in fig. 1 to 17, the welding gun module for membrane water wall surfacing of the present invention includes a front-back moving mechanism 3, a horizontal angle adjusting mechanism 4, a laser tracking mechanism 82, a servo swing mechanism 10, a vertical angle adjusting mechanism 8, and a welding gun 14; the front-back moving mechanism 3 comprises an L-shaped mounting rack 1 and a moving plate 2 which is erected on the L-shaped mounting rack 1 and is in sliding connection with the L-shaped mounting rack 1; the bottom of the moving plate 2 is provided with two symmetrical linear guide rails 22 and a buffer block 23 which is arranged between the two linear guide rails 22 and is positioned at the end part of the moving plate 2, the vertical side 11 of the L-shaped mounting rack is fixedly arranged on an external support frame (namely, the welding gun assembly of the invention is fixedly arranged on the external support frame through the vertical side 11 of the L-shaped mounting rack), the horizontal side 12 of the L-shaped mounting rack is provided with a slide block 15 (the slide block 15 moves along the linear guide rails 22) which is mutually matched and connected with the linear guide rails 22, a limit block 83 for limiting the sliding distance of the moving plate 2 on the L-shaped mounting rack 1 and a linear slide rail clamp 16, the limit block 83 and the buffer block 23 are arranged correspondingly, when the moving plate 2 is pulled by a handle 21 on the moving plate 2 to move relative to the L-shaped mounting rack 1 and move to a corresponding position, the linear slide, the moving plate 2 is prevented from continuously sliding relative to the L-shaped mounting rack 1. The welding gun forward and backward moving mechanism 3 performs manual adjustment movement of the welding gun 14 in the forward and backward direction, and is provided with a distance limiting device and a distance fixing device.

The horizontal angle adjusting mechanism 4 is arranged on the moving plate 2, a mounting hole I24 and a mounting hole II25 are formed in the moving plate 2, the horizontal angle adjusting mechanism 4 comprises a rotating plate 46 with insections 41, a hand wheel 5 and a locking handle 42, the rotating plate 46 with the insections is rotatably connected with the moving plate 2 through a rotating shaft 44, the rotating shaft 44 is installed in the mounting hole I24, one end of the rotating shaft 44 can be fixed in the mounting hole I24 through a bearing, and the other end of the rotating shaft 44 is fixedly connected with the rotating plate 46 with the insections 41; a gear 45 in the hand wheel 5 is in transmission connection with a rotating plate 46 with the insections 41, and the hand wheel 5 is fixedly arranged in the mounting hole II 25; the rotating plate 46 is provided with an arc-shaped groove 43 corresponding to the radian of the insections 41, when the hand wheel 5 is rotated in the forward direction or in the reverse direction manually, the gear I145 in the hand wheel 5 is driven to rotate in the forward direction or in the reverse direction, so that the gear 1I45 drives the rotating plate 46 with the insections 41 to rotate in the forward direction or in the reverse direction, when the rotating plate 46 rotates to a required position, the locking handle 42 extends into the arc-shaped groove 43 (as shown in fig. 17, the locking handle 42 penetrates through the arc-shaped groove 43 to be embedded into the moving plate 2 and is mutually matched and connected with the threaded hole 120 with the internal thread on the moving plate 2 through the internal thread and the external thread, so that the rotating plate 46 is fixed on the moving plate 2), the position of the rotating plate 46 relative to the moving plate 2 is fixed.

the laser tracking mechanism 82 is fixed on the rotating plate 46 through an adapter plate I6, the laser tracking mechanism 82 comprises a driving device 7 and a laser tracker 9 fixed on the driving device 7 through an adapter plate II13, and the driving device 7 drives the laser tracker 9 to move close to or far away from a workpiece to be welded; the drive 7 is a linear slide 17 with a servomotor 18. The laser tracking mechanism 82 enables automatic adjustment of the distance in the longitudinal direction of the vertical workpiece surface during welding, i.e., automatic correction of the position of the welding gun in the longitudinal direction of the vertical workpiece surface. In the welding process, the laser tracker 9 scans deformation data (namely whether the surface of the workpiece has concave-convex) vertical to the longitudinal direction of the surface of the workpiece, and the driving device 7 is driven by the PLC control system, so that the position of the welding gun is automatically corrected, the welding quality is not influenced, and the welding quality stability is prevented from being influenced by the deformation vertical to the longitudinal direction of the surface of the workpiece in the welding process.

the servo swing mechanism 10 is fixed on the adapter plate II13, the welding gun 14 is fixed on the servo swing mechanism 10 through the vertical angle adjusting mechanism 8, and the servo swing mechanism 10 drives the welding gun 14 to move leftwards or rightwards along the horizontal direction relative to a workpiece to be welded. The servo oscillating mechanism 10 is a servo oscillator, the oscillating speed or the oscillating frequency of the servo oscillating mechanism is adjustable within a certain range, the oscillating dwell time is adjustable, the adjusting precision is 0.1s, the servo oscillator has a center centering function, and the oscillating center can be manually adjusted during oscillating.

The vertical angle adjusting mechanism 8 comprises a connecting plate 71, a mounting plate 72, an L-shaped adjusting plate 75 and a welding gun holder 80, the connecting plate 71 is fixed on the servo swing mechanism 10, one end of the mounting plate 72 is rotatably connected with the connecting plate 71 through a rotating shaft 73, the other end of the mounting plate 72 is connected with the connecting plate 71 through a rotating plunger 74, when the contact tip of the welding gun 14 needs to be replaced quickly, the welding gun 14 does not need to be detached from the vertical angle adjusting mechanism 8, the rotating plunger 74 is pulled out, the mounting plate 72 is lifted (rotated) along the rotating shaft 73, after the replacement is completed, the mounting plate 72 is put down, the rotating plunger 74 is inserted, and the mounting plate 72 is quickly fixed on the connecting plate 71 through the rotating plunger 74 (the contact tip can be replaced by quickly rotating the welding gun 14 by a certain angle through the connecting mode of; the horizontal side 76 of the L-shaped adjusting plate is fixed on the mounting plate 72, the vertical side 77 of the L-shaped adjusting plate is fixed with a rotating shaft 78, the rotating shaft 78 is rotatably connected with the vertical side 77 by adopting a bearing, a welding gun holder 80 is sleeved on the rotating shaft 78 and is mutually matched and fixedly connected with the rotating shaft 78 (convenient to detach) through internal and external threads, the vertical side 77 of the L-shaped adjusting plate is also provided with an arc-shaped groove 79, a welding gun 14 is fixed on the welding gun holder 80, the welding gun holder 80 is rotated according to the arc of the arc-shaped groove 79, when the welding gun holder 80 is rotated to a desired position relative to the vertical side 77 of the L-shaped adjusting plate, the locking handle 81 passes through a through hole on the welding gun holder 8, is embedded into the arc-shaped groove 79 and is mutually matched and connected with a threaded hole with an internal thread in the arc-shaped groove 79 through an internal thread and an external thread, thereby fixing the position of the gun holder 80 relative to the vertical side 77 of the L-shaped adjustment plate and preventing further rotation.

The welding gun module for membrane type water-cooled wall surfacing also comprises a PLC (programmable logic controller), wherein a driving device 7, a laser tracker 9 and a servo swing mechanism 10 are respectively in wireless communication connection with the PLC, when the laser tracker 9 scans that the surface of a workpiece to be welded is convex, the laser tracking mechanism 82 is moved away from the workpiece to be welded through the driving device 7, and when the laser tracker 9 scans that the surface of the workpiece to be welded is concave, the laser tracking mechanism 82 is moved close to the workpiece to be welded through the driving device 7. The servo oscillating mechanism 10 drives the welding gun to carry out left-right oscillating welding in the welding process according to the set oscillating frequency.