CN213257619U

CN213257619U - Build-up welding equipment

Info

Publication number: CN213257619U
Application number: CN202021718067.6U
Authority: CN
Inventors: 李延军; 刘海军; 董文宁
Original assignee: Hefei Julida Technology Co ltd
Current assignee: Hefei Julida Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-05-25
Anticipated expiration: 2030-08-14

Abstract

The utility model provides a surfacing welding device, which comprises an operation frame, a rotary welding head fixed on the operation frame, a control system in communication connection with the operation frame and the rotary welding head, and a power supply electrically connected with the operation frame and the rotary welding head; the rotary welding head comprises a water, electricity and gas infinite rotary mechanism, an adjusting mechanism connected to a rotary output mechanism of the water, electricity and gas infinite rotary mechanism, and a welding gun assembly fixed on the adjusting mechanism; the adjusting mechanism comprises a horizontal adjusting mechanism fixed with the rotary output mechanism and a first angle adjusting mechanism fixed on the horizontal adjusting mechanism, and the welding gun assembly is fixed on the first angle adjusting mechanism; or the adjusting mechanism comprises a first angle adjusting mechanism fixed with the rotary output mechanism and a horizontal adjusting mechanism fixed on the first angle adjusting mechanism, and the welding gun assembly is fixed on the horizontal adjusting mechanism.

Description

Build-up welding equipment

Technical Field

The utility model relates to a build-up welding technical field especially relates to a carry out build-up welding equipment of build-up welding to medium passageway surface.

Background

In order to prolong the service life of equipment and reduce the manufacturing cost, petroleum, petrochemical and chemical equipment works in a corrosive medium state for a long time, a layer of corrosion-resistant metal material which can be optimally fused with parent metal, such as stainless steel, nickel-based alloy and the like, needs to be overlaid on the surface in contact with the medium, the dilution rate of an overlaying layer needs to be controlled, and the optimal overlaying process method is TIG (Tungsten Inert Gas Welding, also called non-consumable electrode Tungsten electrode shielded Welding).

The device relates to workpiece multi-structure pore channel types which comprise a straight channel, a ball type, an inclined jack, an inclined cutting hole, a horse race field shape, a multi-way joint, a flange, a groove and other complex mixed types, the surfacing welding at a single position by workpiece rotation or welding gun rotation cannot be adopted, and a set of equipment capable of adapting to multiple spatial positions is required to meet the requirement.

In view of the above, there is a need for an improved build-up welding apparatus to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a carry out build-up welding equipment of build-up welding to medium passageway surface.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a surfacing device comprises an operation frame, a rotary welding head fixed on the operation frame, a control system in communication connection with the operation frame and the rotary welding head, and a power supply electrically connected with the operation frame and the rotary welding head; the rotary welding head comprises a water, electricity and gas infinite rotary mechanism, an adjusting mechanism connected to a rotary output mechanism of the water, electricity and gas infinite rotary mechanism, and a welding gun assembly fixed on the adjusting mechanism; the adjusting mechanism comprises a horizontal adjusting mechanism fixed with the rotary output mechanism and a first angle adjusting mechanism fixed on the horizontal adjusting mechanism, and the welding gun assembly is fixed on the first angle adjusting mechanism; or the adjusting mechanism comprises a first angle adjusting mechanism fixed with the rotary output mechanism and a horizontal adjusting mechanism fixed on the first angle adjusting mechanism, and the welding gun assembly is fixed on the horizontal adjusting mechanism.

Furthermore, the horizontal adjusting mechanism comprises a frame body extending along the horizontal direction and a sliding block connected to the frame body in a sliding manner, the sliding block is fixed with the rotary output mechanism, and the first angle adjusting mechanism is fixed on the frame body; or the frame body is fixed with the rotary output mechanism, and the first angle adjusting mechanism is fixed on the sliding block.

Furthermore, the first angle adjusting mechanism comprises a shell fixed on the horizontal adjusting mechanism, a rotating shaft positioned in the shell, a crank penetrating through the shell, and a transmission structure in transmission connection with the crank and the rotating shaft, and the welding gun assembly is fixed with the rotating shaft.

Furthermore, the first angle adjusting mechanism comprises a shell, a rotating shaft positioned in the shell, a crank penetrating through the shell, and a transmission structure in transmission connection with the crank and the rotating shaft, wherein the shell is fixed with the rotary output mechanism, and the horizontal adjusting mechanism is fixed with the rotating shaft.

Furthermore, the horizontal adjusting mechanism comprises a frame body extending along the horizontal direction and a sliding block connected to the frame body in a sliding manner, the sliding block is fixed with the rotating shaft, and the welding gun assembly is fixed on the frame body; or the frame body is fixed with the rotating shaft, and the welding gun assembly is fixed on the sliding block.

Furthermore, the horizontal adjusting mechanism also comprises a screw rod extending along the frame body and a motor driving the screw rod to rotate, and the sliding block is in threaded connection with the screw rod; or, the horizontal adjusting mechanism also comprises a rack extending along the rack body, and the sliding block is provided with a gear meshed with the rack and a motor driving the gear to rotate.

Furthermore, the first angle adjusting mechanism further comprises a dial disc positioned on the shell, the dial disc is arc-shaped, and the circle center of the dial disc is positioned on the central axis of the rotating shaft.

Further, the welding gun assembly comprises a fixed connection structure, a TIG welding gun fixed on the fixed connection structure, a wire feeding mechanism fixed on the fixed connection structure, and a high-frequency arc initiator fixed on the fixed connection structure.

Furthermore, the operation frame comprises a first cross operation frame, the first cross operation frame comprises a lifting upright post, a mounting slide carriage connected to the lifting upright post in a vertical sliding manner, a lifting driving mechanism for driving the mounting slide carriage to slide along the lifting upright post, upper and lower travel switches arranged at the upper and lower ends of the lifting upright post, a cross beam connected to the mounting slide carriage in a transverse sliding manner, a horizontal moving mechanism for driving the cross beam to transversely move relative to the mounting slide carriage, and transverse travel switches positioned at the two ends of the cross beam along the extending direction of the cross beam; the second angle adjusting mechanism is fixed at one end of the cross beam; the second cross operating frame comprises a first sliding frame fixed on the second angle adjusting mechanism, a first fixing plate connected to the first sliding frame in a sliding mode, a first driving mechanism driving the first fixing plate to slide along the first sliding frame, first travel switches arranged at two ends of the first sliding frame in the extending direction of the first sliding frame, a second sliding frame fixed on the first fixing plate, a second fixing plate connected to the second sliding frame in a sliding mode, a second driving mechanism driving the second fixing plate to slide along the second sliding frame, and second travel switches arranged at two ends of the second sliding frame in the extending direction of the second sliding frame; when the adjusting angle of the second angle adjusting mechanism is 0, one of the first carriage and the second carriage is parallel to the lifting upright, and the other one is vertical to both the lifting upright and the cross beam; the rotary welding head is fixed on the second fixing plate.

Furthermore, the second angle adjusting mechanism comprises a shell, a rotating shaft positioned in the shell, a crank penetrating through the shell, and a transmission structure in transmission connection with the crank and the rotating shaft, wherein the shell is fixed at one end of the cross beam, and the first sliding frame is fixed with the rotating shaft.

The utility model has the advantages that: the utility model discloses a build-up welding equipment, through the handling frame reaches adjustment mechanism can adjust TIG welder's position among the welder subassembly accurately, makes its various passageway inner walls that are applicable to many spatial position.

Drawings

Fig. 1 is a perspective view of a build-up welding apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a perspective view of a first cross handling frame of the build-up welding apparatus shown in FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is an exploded view of FIG. 2 at another angle;

FIG. 5 is a schematic view of the mounting carriage of FIG. 1 with the guard removed and the first gear, first motor, second gear and second motor engaged;

FIG. 6 is a schematic view of FIG. 5 at another angle;

FIG. 7 is a schematic view of the second angle adjustment mechanism, a second crosshead and a rotary welding head of FIG. 1 in combination;

FIG. 8 is a schematic structural view of a second angle adjustment mechanism of the build-up welding apparatus shown in FIG. 1;

FIG. 9 is an exploded view of FIG. 8;

FIG. 10 is a schematic structural view of a second rack of FIG. 1;

FIG. 11 is an exploded view of FIG. 10;

FIG. 12 is a schematic view of the rotary welding head of FIG. 1;

FIG. 13 is an exploded view of FIG. 12;

FIG. 14 is a schematic view of the first angle adjustment mechanism of FIG. 12 engaged with a weld gun assembly;

fig. 15 is an exploded view of fig. 14.

The device comprises a 100-surfacing device, a 1-base, a 2-operating frame, a 21-first cross operating frame, a 211-lifting upright post, a 212-mounting slide carriage, a 2121-protective cover, a 2122-vertical chute, a 2123-transverse chute, a 213-cross beam, a 214-lifting driving mechanism, a 2141-first rack, a 2142-first gear, a 2143-first motor, a 215-up-down stroke switch, a 216-horizontal moving mechanism, a 2161-second rack, a 2162-second gear, a 2163-second motor and a 217-transverse stroke switch, wherein the surfacing device comprises a base, a 2-operating frame, a 21-first cross operating frame, a lifting upright post, a lifting; 22-a second angle adjusting mechanism, 221-a shell, 222-a rotating shaft, 223-a crank, 224-a dial, 23-a second cross operating frame; 231-a first carriage, 232-a first fixing plate, 233-a first driving mechanism, 234-a second carriage, 235-a second fixing plate, 236-a second driving mechanism, 2361-a second screw, 2362-a second screw block, a 3-rotary welding head, 31-a water-electricity-gas infinite rotary mechanism, 32-a horizontal adjusting mechanism, 321-a frame body, 322-a sliding block, 33-a first angle adjusting mechanism, 34-a welding gun assembly, 341-a fixed connecting structure, 342-a TIG welding gun, 343-a wire feeding mechanism, 344-a high-frequency arc starter, a 4-control system and 5-a power supply.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

In the various drawings of the present invention, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.

Referring to fig. 1 to 15, a build-up welding apparatus 100 according to a preferred embodiment of the present invention includes an operation frame 2, a rotary welding head 3 fixed on the operation frame 2, a control system 4 in communication connection with both the operation frame 2 and the rotary welding head 3, and a power supply 5 electrically connected with both the operation frame 2 and the rotary welding head 3.

Referring to fig. 1, preferably, the bead welding equipment 100 further includes a base, and the base 1 is an integrated base 1 and is used for integrally installing the handling frame 2, the control system 4 and the power supply 5, so that the bead welding equipment 100 is compact in overall structure. Specifically, base 1 is hollow structure, control system 4's control cable the water and electricity cable etc. of gyration welding head 3 all follow the inside wire casing of base 1 passes, plays the pleasing to the eye effect of protection cable and system layout.

The operation frame 2 comprises a first cross operation frame 21, a second angle adjusting mechanism 22 fixed on the first cross operation frame 21, and a second cross operation frame 23 fixed on the second angle adjusting mechanism 22, and the rotary welding head 3 is fixed on the second cross operation frame 23; the first cross handling frame 21, the second angle adjusting mechanism 22 and the second cross handling frame 23 control the position and angle of the rotary welding head 3 together to adapt to the structure of the wall of the channel to be welded.

Referring to fig. 1 to 7, the first cross handling frame 21 is a build-up welding actuator for performing AVC arc length control and walking pitch during the build-up welding process of the welding gun assembly 34. The first cross handling frame 21 comprises a lifting upright 211 directly or indirectly fixed on the base 1, a mounting slide carriage 212 vertically slidably connected to the lifting upright 211, and a cross beam 213 laterally slidably connected to the mounting slide carriage 212. The installation slide carriage 212 can meet the requirements of a workpiece surfacing range relative to the lifting stroke of the lifting upright post 211 and the horizontal movement stroke of the cross beam 213 relative to the installation slide carriage 212.

In this embodiment, the mounting slide carriage 212 is provided with a protective cover 2121 for protecting other structures mounted thereon, and a vertical sliding groove 2122 matched with the lifting column 211 and a horizontal sliding groove 2123 matched with the cross beam 213 are formed through the protective cover 212.

Further, as shown in fig. 3 to 7, the first cross handling frame 21 further includes a lifting driving mechanism 214 for driving the installation carriage 212 to slide along the lifting column 211, and an up-down stroke switch 215 located at the upper and lower ends of the lifting column 211, so as to accurately control the moving stroke of the lifting column 211, which is one of the reference points for realizing automatic surfacing.

The lifting driving mechanism 214 includes a first rack 2141 disposed on the lifting column 211, a first gear 2142 disposed on the mounting carriage 212 and engaged with the first rack 2141, and a first motor 2143 driving the first gear 2142 to rotate. When the first motor 2143 rotates in the forward direction, the first gear 2142 rotates and moves upward along the first rack 2141, so as to drive the installation slide carriage 212 to move upward along the lifting column 211; conversely, when the first motor 2143 rotates in the reverse direction, the mounting chute 212 moves downward along the lifting column 211; the lifting height of the mounting carriage 212 can be precisely controlled by the first motor 2143, so that the welding gun assembly 34 is driven to move in the height direction, and the vertical position of the welding gun assembly can be adjusted.

Preferably, the lifting mechanism further includes a first organ cover fixed to one side of the lifting column 211 where the first rack 2141 is disposed, so as to effectively protect the internal mechanism.

Further, as shown in fig. 3 to fig. 7, the first cross handling frame 21 further includes a horizontal moving mechanism 216 for driving the cross beam 213 to move transversely relative to the mounting carriage 212, and transverse stroke switches 217 located at two ends of the cross beam 213 along the extending direction of the cross beam 213, so as to control the moving stroke of the cross beam, which is one of the reference points for implementing automatic build-up welding.

The horizontal moving mechanism 216 includes a second rack 2161 disposed on the cross beam 213, a second gear 2162 disposed on the mounting carriage 212 and engaged with the second rack 2161, and a second motor 2163 for driving the second gear 2162 to rotate. When the second motor 2163 rotates in the forward direction, the second gear 2162 rotates and drives the second rack 2161 to move, so as to drive the cross beam 213 to move in the first direction relative to the mounting slide carriage 212; conversely, when the second motor 2163 rotates reversely, the cross beam 213 moves in a second direction opposite to the first direction along the transverse direction relative to the mounting carriage 212; the horizontal movement of the beam 213 can be precisely controlled by the second motor 2163, so as to drive the rotary welding head 3 to linearly move along the horizontal direction.

Preferably, the horizontal moving mechanism 216 further includes a second organ cover fixed to a side of the cross beam 213 where the second rack 2161 is disposed, so as to effectively protect the transmission mechanism.

In addition, the first cross handling frame 21 further includes a safety anti-falling structure and a counterweight structure located on the lifting upright 211 and the cross beam 213, and plays a safety protection role.

The first cross operation frame 21 drives the second angle adjusting mechanism 22, the second cross operation frame 23 and the rotary welding head 3 to move integrally, cooperates with an executing device of the overlaying track to move, and can adjust the lifting and the front-back distance of the cross beam 213 in a jogged mode in the height direction and the horizontal direction so as to control the TIG welding gun of the rotary welding head 3 to reach the initial position. Through program setting, the front and back movement of the beam 213 can meet the operation of a welding gun surfacing linear track, and the lifting of the beam 213 can meet the step change of upper and lower surfacing. The beam 213 goes up and down and moves back and forth to drive the output gear to be meshed with the linear guide rail and the gear rack through the alternating current servo motor, so that the functions of inching adjustment and automatic movement are realized.

The second angle adjusting mechanism 22 is fixed at one end of the cross beam 213, so that the second manipulating frame 232 and the rotary welding head 3 can integrally rotate by a certain angle, for example, an angle of ± 45 ° can be adjusted. In this embodiment, the second angle adjusting mechanism 22 is not limited in structure, and may be a manual adjusting mechanism or an electric adjusting mechanism.

In a specific embodiment, the second angle adjustment mechanism 22 includes a housing 221, a rotating shaft 222 located in the housing 221, a crank 223 passing through the housing 221, and a transmission structure for drivingly connecting the crank 223 and the rotating shaft 222, wherein the housing 221 is fixed to one end of the cross beam 213, and the second manipulating frame 232 is fixed to the rotating shaft 222. According to the radian change of the hole wall on the workpiece, the crank 223 is rotated, when the crank 223 rotates, the rotating shaft 222 is driven to rotate around the central axis thereof through the transmission structure, and then the second cross-shaped operation frame 232 and the rotary welding head 3 are driven to rotate, so that the angle of the TIG welding gun 342 is adjusted to be suitable for the hole wall on the workpiece. The transmission structure includes, but is not limited to, a gear set.

In one embodiment, the first end of the crank 223 is located outside the housing 221 and the second end is located inside the housing 221, and the transmission mechanism is in transmission connection with the second end and the rotating shaft 222.

Further, the second angle adjustment mechanism 22 further includes a dial 224 located on the housing 221, the dial 224 is arc-shaped, and the center of the dial 224 is located on the central axis of the spindle 222, so that when the crank 223 is rotated, the rotation angle of the spindle 222 can be accurately read through the dial 224. In this embodiment, the scale on the dial 224 is from 0 ° to 90 °, and the pointer is indicated at 45 ° before the angle is not adjusted.

The second crosshead 23 includes a first carriage 231 fixed to the second angle adjusting mechanism 22, a first fixing plate 232 slidably connected to the first carriage 231, a first driving mechanism 233 driving the first fixing plate 232 to slide along the first carriage 231, first stroke switches disposed at both ends of the first carriage 231 in an extending direction thereof, a second carriage 234 fixed to the first fixing plate 232, a second fixing plate 235 slidably connected to the second carriage 234, a second driving mechanism 236 driving the second fixing plate 235 to slide along the second carriage 234, and second stroke switches disposed at both ends of the second carriage 234 in the extending direction thereof, and the spin welding head 3 is fixed to the second fixing plate 235.

When the adjustment angle of the second angle adjustment mechanism 22 is 0, that is, before the angle is not adjusted, one of the first carriage 231 and the second carriage 234 is parallel to the lifting column 211, and the other is perpendicular to the lifting column 211 and the cross beam 213, fine adjustment in the height direction and the horizontal direction can be realized, and the mechanism is an execution mechanism for realizing the position of a TIG welding gun and the surfacing step pitch and the straight walking track in the surfacing process.

In this embodiment, the first carriage 231 extends in the vertical direction, so as to adjust the position in the height direction and realize the overlay welding step pitch; the second carriage 234 extends in the horizontal direction, so that the TIG welding gun of the welding gun assembly 34 can reach the workpiece to be adjusted and can linearly travel, the phenomenon that the welding end face of the workpiece is uneven can be adapted, and the function of arc voltage tracking can be realized.

The first driving mechanism 233 includes a first screw rod extending along the first carriage 231, a first nut block engaged with the first screw rod, and a first rotating motor driving the first screw rod to rotate, and the first fixing plate 232 is fixed to the first nut block, or the first fixing plate 232 and the first nut block are integrally disposed.

The second driving mechanism 236 includes a second screw 2361 extending along the second carriage 234, a second nut block 2362 engaged with the second screw 2361, and a second rotating motor driving the second screw 2361 to rotate, and the second fixing plate 235 is fixed to the second nut block 2362, or the second fixing plate 235 and the second nut block 2362 are integrally disposed.

In addition, the first carriage 231 and the second carriage 234 are provided with organ shields on the sides where the screws are provided, so that the transmission mechanism formed by the screws and the nut blocks is effectively protected.

Referring to fig. 1 to 15, the rotary welding head 3 includes a water, electricity and gas infinite rotary mechanism 31, an adjusting mechanism connected to a rotary output mechanism of the water, electricity and gas infinite rotary mechanism 31, and a welding gun assembly 34 fixed to the adjusting mechanism. The water, electricity and gas infinite rotation mechanism 31 provides water, electricity and gas for the welding gun assembly 34, and indirectly drives the welding gun assembly 34 to make infinite rotation through the adjusting mechanism.

The water, electricity and gas infinite swing mechanism 31 adopts the prior art and comprises a rotating output mechanism which drives the adjusting mechanism and the welding gun assembly 34 to realize infinite swing, and other structures are not described again.

The adjusting mechanism comprises a horizontal adjusting mechanism 32 for adjusting the horizontal position of the welding gun assembly 34 and a first angle adjusting mechanism 33 for adjusting the angle of the welding gun assembly 34. Through adjusting the horizontal position of welder subassembly 34 changes the radius of gyration of welder subassembly 34, and pass through first angle adjustment mechanism 33 adjusts the angle of welder subassembly 34 can adapt to the build-up welding demand of different positions, different shapes, realizes the build-up welding of major diameter tube sheet, flange and slot, for example the build-up welding of big flange, chamfer hole, race horse field etc..

In one embodiment, the horizontal adjustment mechanism 32 is fixed to the rotary output mechanism, the first angle adjustment mechanism 33 is fixed to the horizontal adjustment mechanism 32, and the welding gun assembly 34 is fixed to the first angle adjustment mechanism 33.

Specifically, the horizontal adjusting mechanism 32 includes a frame 321 extending along the horizontal direction, and a sliding block 322 slidably connected to the frame 321, the sliding block 322 is fixed to the rotary output mechanism, and the first angle adjusting mechanism 33 is fixed to the frame 321; or the frame body 321 is fixed to the rotary output mechanism, and the first angle adjusting mechanism 33 is fixed to the sliding block 322.

The slide block 322 moves horizontally relative to the frame 321, so that the welding gun assembly 34 can move horizontally relative to the water and electric infinite rotation mechanism 31, that is, the welding gun assembly 34 can deviate from the water and electric infinite rotation mechanism 31 horizontally, and thus the rotation radius and the arc length of the welding gun assembly 34 can be adjusted.

Specifically, the moving manner of the sliding block 322 relative to the frame 321 is not limited, for example: horizontal adjustment mechanism 32 still includes along the screw rod that support body 321 extends, drive screw rod pivoted motor, slider 322 with screw rod threaded connection, when the screw rod rotates, slider 322 is relative support body 321 moves along the horizontal direction. Or, the horizontal adjusting mechanism 32 further includes a rack extending along the frame 321, and the sliding block 322 has a gear engaged with the rack and a motor driving the gear to rotate; when the motor drives the gear to rotate, the sliding block 322 slides along the horizontal direction relative to the frame 321.

The first angle adjustment mechanism 334 has the same structure as the second angle adjustment mechanism 22, and therefore, the description thereof is omitted, the housing 221 thereof is fixed to the horizontal adjustment mechanism 32, and the welding gun assembly 34 is fixed to the rotation shaft 222 thereof. According to the radian change of the wall of the hole on the workpiece, the crank 223 is rotated, and when the crank 223 rotates, the rotating shaft 222 is driven to rotate around the central axis thereof through the transmission structure, so that the welding gun assembly 34 is driven to rotate, and the angle of the TIG welding gun 342 is adjusted to be suitable for the wall of the hole on the workpiece. The transmission structure includes, but is not limited to, a gear set.

In another embodiment, the horizontal adjustment mechanism 32 and the first angle adjustment mechanism 33 have the same structure as the above embodiment, except that: the first angle adjusting mechanism 33 is fixed to the rotary output mechanism, the horizontal adjusting mechanism 32 is fixed to the first angle adjusting mechanism 33, and the welding gun assembly 34 is fixed to the horizontal adjusting mechanism 32. The horizontal position and angle of the welding gun assembly 34 can be adjusted to meet the requirements of surfacing in different positions and shapes, so that surfacing of large-diameter tube plates, flanges and grooves, such as surfacing of large flanges, chamfered holes, marquee and the like, can be realized.

Specifically, the connection manner between the first angle adjusting mechanism 33 and the water, electricity and gas infinite slewing mechanism 31 is as follows: the housing 221 is fixed to the rotary output mechanism, and the horizontal adjustment mechanism 32 is fixed to the rotating shaft 222. The first angle adjusting mechanism 33, the horizontal adjusting mechanism 32 and the welding gun assembly 34 are connected in the following manner: the slide block 322 is fixed to the rotating shaft 222, and the welding gun assembly 34 is fixed to the frame 321; or the frame body 321 is fixed to the rotating shaft 222, and the welding gun assembly 34 is fixed to the sliding block 322.

Referring to fig. 1, 8, and 12 to 15, the welding gun assembly 34 is an important device for realizing channel surfacing, and includes a fixed connection structure 341 for being fixed to the horizontal adjustment mechanism 32 or the first angle adjustment mechanism 33, a TIG welding gun 342, a wire feeder 343 for supplying a welding wire to the TIG welding gun 342, and a high-frequency arc initiator 344.

The TIG welding gun 342, the wire feeder 343 and the high-frequency arc initiator 344 are all fixed on the fixed connection structure 341, the high-frequency arc initiator 344 and the water-gas unlimited slewing mechanism 3152 are arranged in a split manner, and the high-frequency arc initiator 344 and the TIG welding gun 342 are arranged adjacently, so that the stability and controllability of power supply and arc striking are ensured.

The TIG welding gun 342 can adopt the prior art or a specially designed structure, and the length and the diameter of the TIG welding gun 342 can meet the surfacing requirements of workpieces within a required range; for example, the TIG welding gun 342 includes a metal sheath, an adjustable angle torch tip, and a hydroelectric gas line (not shown). The wire feeder 343 includes a wire feed spool, a wire feed tube extending along the TIG welding gun 342 to a welding end thereof. The water, electricity and gas infinite swing mechanism 31 conveys water, electricity and gas required by welding to the TIG welding gun 342, the high-frequency arc initiator 344 and the wire feeder 343.

Referring to fig. 1, the control system 4 is a central controller for automating the build-up welding process, and includes a control box and a remote controller. The control box is installed on the integrated base 1 and is a hardware and software carrier of the control system 4. The remote controller is connected with the operation interface of the control box, the control system 4 adopts double-screen control, a fixed touch screen is arranged on the control box and is consistent with the touch screen display interface of the remote controller, short-range and long-range bidirectional control can be realized, backup can be provided for any operation interface of the system when a problem occurs, and the normal operation of the surfacing welding equipment 100 is not influenced. The surfacing interface adopts various graphical programming modes to be suitable for different types of channels, including but not limited to graphical parameter programming interfaces such as straight channels, step channels, cup-shaped channels, oblique circles, vertical holes, spherical surfaces, end surface grooves and the like.

The utility model discloses a structure to this type of work piece of medium passageway is categorised according to certain characteristic, draws pass, passageway type, slot type build-up welding structure, designs one set of integral build-up welding equipment 100 to through graphical programming control, realized full automated production, improved build-up welding performance and efficiency.

The automatic surfacing process flow of the surfacing equipment 100 comprises the following steps: an operator places a workpiece to be processed and surfacing welded at any position of the supporting platform, and according to the structural type and the drawing size of the workpiece, the workpiece graph in the shape is clicked on a touch screen of a remote controller or a control box, the size and welding parameters of the workpiece related to surfacing welding are input on a clicking interface, and the workpiece is confirmed and stored. Checking whether the first cross operating frame 21, the second cross operating frame 23, the horizontal adjusting mechanism 32 and the two angle adjusting mechanisms 4 are in original positions, adjusting the TIG welding gun 342 to reach a specified welding position according to program setting after confirmation, and starting arc welding; in the surfacing process, the first cross operating frame 21, the second cross operating frame 23, the horizontal adjusting mechanism 32 and the two angle adjusting mechanisms are linked, so that automatic control of the arc length AVC of the welding gun and walking of the displacement step pitch of the welding gun are realized, and the automatic surfacing process of the surface of the workpiece is continuously completed. The above procedures can be repeated after the workpiece is replaced.

To sum up, the utility model discloses a structure to this type of work piece is categorised, designs one set of integral, multiaxis linkage and has the unlimited gyration of welder build-up welding equipment 100 to through graphical programming control, realized the automatic build-up welding of overall process, improve equipment can carry out quick accurate build-up welding to multiple structures such as alignment channel, spherical surface, chamfer hole, porous, tube sheet flange and slot to the application scope and the machining capacity of work piece.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A surfacing device comprises an operation frame, a rotary welding head fixed on the operation frame, a control system in communication connection with the operation frame and the rotary welding head, and a power supply electrically connected with the operation frame and the rotary welding head; the welding machine head is characterized by comprising a water, electricity and gas unlimited rotary mechanism, an adjusting mechanism connected to a rotary output mechanism of the water, electricity and gas unlimited rotary mechanism and a welding gun assembly fixed on the adjusting mechanism; the adjusting mechanism comprises a horizontal adjusting mechanism fixed with the rotary output mechanism and a first angle adjusting mechanism fixed on the horizontal adjusting mechanism, and the welding gun assembly is fixed on the first angle adjusting mechanism; or the adjusting mechanism comprises a first angle adjusting mechanism fixed with the rotary output mechanism and a horizontal adjusting mechanism fixed on the first angle adjusting mechanism, and the welding gun assembly is fixed on the horizontal adjusting mechanism.

2. The build-up welding apparatus according to claim 1, characterized in that: the horizontal adjusting mechanism comprises a frame body extending along the horizontal direction and a sliding block connected to the frame body in a sliding mode, the sliding block is fixed with the rotary output mechanism, and the first angle adjusting mechanism is fixed on the frame body; or the frame body is fixed with the rotary output mechanism, and the first angle adjusting mechanism is fixed on the sliding block.

3. The build-up welding apparatus according to claim 2, characterized in that: the first angle adjusting mechanism comprises a shell fixed on the horizontal adjusting mechanism, a rotating shaft positioned in the shell, a crank penetrating through the shell, and a transmission structure in transmission connection with the crank and the rotating shaft, and the welding gun assembly is fixed with the rotating shaft.

4. The build-up welding apparatus according to claim 1, characterized in that: the first angle adjusting mechanism comprises a shell, a rotating shaft arranged in the shell, a crank penetrating through the shell and a transmission structure in transmission connection with the crank and the rotating shaft, the shell is fixed with the rotary output mechanism, and the horizontal adjusting mechanism is fixed with the rotating shaft.

5. The build-up welding apparatus according to claim 4, characterized in that: the horizontal adjusting mechanism comprises a frame body extending along the horizontal direction and a sliding block connected to the frame body in a sliding mode, the sliding block is fixed with the rotating shaft, and the welding gun assembly is fixed on the frame body; or the frame body is fixed with the rotating shaft, and the welding gun assembly is fixed on the sliding block.

6. The build-up welding apparatus according to claim 2 or 5, characterized in that: the horizontal adjusting mechanism also comprises a screw rod extending along the frame body and a motor driving the screw rod to rotate, and the sliding block is in threaded connection with the screw rod; or, the horizontal adjusting mechanism also comprises a rack extending along the rack body, and the sliding block is provided with a gear meshed with the rack and a motor driving the gear to rotate.

7. The build-up welding apparatus according to claim 3 or 4, characterized in that: the first angle adjusting mechanism further comprises a dial positioned on the shell, the dial is arc-shaped, and the circle center of the dial is positioned on the central axis of the rotating shaft.

8. The build-up welding apparatus according to claim 1, characterized in that: the welding gun assembly comprises a fixed connection structure, a TIG welding gun fixed on the fixed connection structure, a wire feeding mechanism fixed on the fixed connection structure, and a high-frequency arc initiator fixed on the fixed connection structure.

9. The build-up welding apparatus according to claim 1, characterized in that: the handling frame includes:

the first cross operating frame comprises a lifting upright post, a mounting slide carriage connected to the lifting upright post in a vertical sliding manner, a lifting driving mechanism for driving the mounting slide carriage to slide along the lifting upright post, upper and lower travel switches arranged at the upper and lower ends of the lifting upright post, a cross beam connected to the mounting slide carriage in a transverse sliding manner, a horizontal moving mechanism for driving the cross beam to transversely move relative to the mounting slide carriage, and transverse travel switches positioned at two ends of the cross beam along the extending direction of the cross beam;

the second angle adjusting mechanism is fixed at one end of the cross beam;

the second cross operating frame comprises a first sliding frame fixed on the second angle adjusting mechanism, a first fixing plate connected to the first sliding frame in a sliding mode, a first driving mechanism driving the first fixing plate to slide along the first sliding frame, first travel switches arranged at two ends of the first sliding frame in the extending direction of the first sliding frame, a second sliding frame fixed on the first fixing plate, a second fixing plate connected to the second sliding frame in a sliding mode, a second driving mechanism driving the second fixing plate to slide along the second sliding frame, and second travel switches arranged at two ends of the second sliding frame in the extending direction of the second sliding frame; when the adjusting angle of the second angle adjusting mechanism is 0, one of the first carriage and the second carriage is parallel to the lifting upright, and the other one is vertical to both the lifting upright and the cross beam;

the rotary welding head is fixed on the second fixing plate.

10. The build-up welding apparatus according to claim 9, wherein: the second angle adjusting mechanism comprises a shell, a rotating shaft positioned in the shell, a crank penetrating through the shell and a transmission structure in transmission connection with the crank and the rotating shaft, the shell is fixed at one end of the cross beam, and the first sliding frame is fixed with the rotating shaft.