A roller core build-up welding apparatus

Abstract

The utility model relates to the technical field of roll core surfacing equipment, specifically discloses a roll core surfacing equipment, including frame, a plurality of flux storage tank and a plurality of welding head subassembly, every flux storage tank is set up in the top of frame through first sliding component, every welding head subassembly is slidably connected with the upper portion of frame through moving device, and welding head subassembly includes first adjusting lever, second adjusting lever, third adjusting lever, wire feeder motor and welding torch, first adjusting lever fixedly set up in the bottom of corresponding moving device, second adjusting lever is connected with first adjusting lever through first adjusting seat, third adjusting lever is vertically fixedly set up in the bottom of second adjusting lever, wire feeder motor is connected with third adjusting lever through second sliding component, wire feeder motor is connected with wire guide assembly through steering seat, and wire guide assembly is located above welding torch. The surfacing equipment of the utility model can simultaneously weld each part of roll core to improve the surfacing efficiency of roll core.

Description

Technical Field

[0001] This utility model belongs to the technical field of roller core surfacing equipment, specifically a roller core surfacing equipment. Background Technology

[0002] When the roller core is welded, the average thickness of the weld layer reaches 18mm on one side. The existing welding equipment requires 140 hours to weld a single roller core. In order to ensure welding performance, the roller core temperature is below 150℃ and it needs to be heated in the furnace twice. After heating, it needs to be corrected on the machine twice to weld the roller core, which seriously increases the welding cost and labor time. Furthermore, existing surfacing equipment requires stopping the machine to load welding material into the welding gun when surfacing the roller core, which significantly increases the surfacing time and reduces the surfacing efficiency. In addition, manual surfacing also causes uneven surfacing and skewed surfacing due to the instability of the handheld welding gun. Therefore, there is an urgent need to design a roller core surfacing equipment to solve the above problems. Summary of the Invention

[0003] The purpose of this invention is to provide a roller core surfacing welding device that solves the problems mentioned above, such as the long welding cycle of existing welding equipment, the need for secondary furnace heating when the roller core temperature is below 150℃, and the need for secondary machine calibration after heating, which increases labor time and welding costs; the need to stop the machine to load welding material into the welding gun when surfacing the roller core, which seriously reduces the surfacing welding efficiency; and the problem that manual hand-held welding gun surfacing can easily cause uneven surfacing and skewed surfacing.

[0004] To solve the above-mentioned technical problems, this utility model provides a roller core surfacing equipment, characterized in that it includes a frame, several flux storage tanks, and several welding head assemblies. Each flux storage tank is disposed on the top of the frame via a first sliding assembly, and each welding head assembly is slidably connected to the upper part of the frame via a moving device. The welding head assembly includes a first adjusting rod, a second adjusting rod, a third adjusting rod, a wire feeding motor, and a welding torch. The first adjusting rod is fixedly mounted on the bottom of the corresponding moving device. The second adjusting rod is connected to the first adjusting rod via a first adjusting seat. The third adjusting rod is connected to the second adjusting rod via the first adjusting seat. The wire feeding motor is connected to the third adjusting rod via a second sliding assembly. The wire feeding motor is connected to the wire guide assembly via a steering seat, and the wire guide assembly is located above the welding gun. The steering seat is located at the end of the third adjusting rod. The top of the welding gun is provided with a connecting sleeve, which is connected to the inner wall of the steering seat. The connecting sleeve is provided with a wire feeding channel through which the welding wire can pass. The welding gun is provided with two output pipes, one of which is connected to the wire feeding channel, and the other is connected to the mobile flux storage tank through the output pipe.

[0005] Furthermore, each of the mobile devices includes a mobile frame and first rollers. The mobile frame is disposed within a transverse support of the frame. There are four first rollers. The mobile frame is provided with a travel motor for driving the four first rollers to move.

[0006] Furthermore, each of the first sliding components includes a slide rail and a second roller. The slide rails are a pair and are arranged in parallel on the top of the frame. Each end of the pair of slide rails is provided with a limiting block. There are four second rollers, which are respectively arranged at the bottom of the flux storage box and are arranged on the slide rails.

[0007] Furthermore, the wire guide assembly includes a housing and a first gear, a second gear, an upper directional wheel, an upper guide pulley, a first connecting plate, a second connecting plate, a first adjusting screw, a third connecting plate, a lower guide pulley, and a fourth connecting plate disposed within the housing. The side of the housing is connected to the steering seat. A second rotating shaft passes through the second gear, and the second rotating shaft passes through the housing and extends into the steering seat, where a worm gear drive gear is fitted. The output end of the wire feeding motor is connected to the worm gear drive gear via a worm. The first gear and the upper directional wheel are respectively mounted on the inner wall of the housing via a first rotating shaft. The first gear is located below the upper directional wheel. A guide wheel is fixedly mounted on the end face of the first gear away from the steering seat. The guide wheel and the first gear are both sleeved on the same first rotating shaft. The first gear meshes with the second gear. The first connecting plate is mounted on the inner wall of the housing via a third rotating shaft, and its other end is connected to the upper guide pulley via a fourth rotating shaft. There are two second connecting plates, with one end of each second connecting plate sleeved on the third rotating shaft and the other end extending out of the housing and hinged to the first adjusting screw. One end of the third connecting plate is mounted on the inner wall of the housing via a fifth rotating shaft, and the other end is connected to the lower guide pulley via a sixth rotating shaft. There are two fourth connecting plates, forming a limiting groove between them. The limiting groove is used for the first adjusting screw to pass through. One end of each fourth connecting plate is sleeved on the fifth rotating shaft, and the other end passes through the housing and extends out.

[0008] Furthermore, the top and bottom of the housing are respectively provided with an upper limit plate and a lower limit plate. The upper limit plate is used to limit the upward movement position of the two second connecting plates and has a first through hole. The lower limit plate is used to limit the downward movement position of the two fourth connecting plates and has a second through hole communicating with the wire feeding channel.

[0009] Furthermore, the first adjusting screw is provided with a limiting nut, the top of which abuts against and limits the end of the two fourth connecting plates away from the fifth rotating shaft.

[0010] Furthermore, a first guide wire channel is formed between the upper guide pulley and the upper directional pulley, and a second guide wire channel is formed between the lower guide pulley and the guide wire pulley. The housing is provided with a third through hole communicating with the first through hole. The third through hole is located above the first wire guide channel, and the connecting sleeve is located below the second wire guide channel. After the welding wire passes through the first through hole and the third through hole, it passes through the first wire guide channel, the second wire guide channel, the wire feeding channel and the second through hole in sequence, and then enters the welding gun through the output pipe.

[0011] Furthermore, there are at least two flux storage tanks.

[0012] Furthermore, the two ends of the roller core are respectively provided below the welding gun by support seats, and each support seat is provided with a bearing between the two ends of the roller core, and the end of the roller core is provided with a drive mechanism that can drive the roller core to rotate.

[0013] The beneficial effects of this utility model are as follows: The welding equipment of this utility model can simultaneously weld various parts of the roller core to improve the welding efficiency of the roller core; it is also equipped with several flux storage boxes that can adjust their positions according to the position of the welding head assembly to meet the welding conditions; and by simultaneously feeding flux and welding wire into the welding gun, the two are mixed in the welding gun and then welded onto the roller core, so that the welding gun is continuously supplied with welding material, which solves the problem of skewed welding and uneven welding caused by poor gripping force of manual hand-held welding gun, and also solves the problem of poor welding efficiency caused by the need to constantly stop welding to increase welding material when hand-held welding gun is used. The welding head assembly can be set up by adjusting the distance between the vertical support of the second adjusting rod and the first adjusting rod and the height of the third adjusting rod on the second adjusting rod through the two first adjusting seats, so as to adjust the height of the welding head assembly away from or close to the first adjusting rod and the welding gun, so as to meet the welding requirements of roller cores of various sizes and specifications. The wire guide assembly can be configured such that the size of the first wire guide channel between the upper guide pulley and the upper directional wheel can be adjusted by adjusting the first adjusting screw, thereby adjusting the smoothness between the welding wire and the guide pulley and the upper directional wheel. When the two fourth connecting plates are in contact with or away from the lower limit plate, the size of the second wire guide channel between the lower guide pulley and the wire guide wheel can be adjusted so that when the worm gear fixed at the output end of the wire feeding motor drives the worm gear transmission gear sleeved on the second rotating shaft to rotate, the second gear drives the first gear and the wire guide wheel fixed on the first gear to rotate simultaneously. The wire guide wheel then cooperates with the lower guide pulley to push the welding wire from the second wire guide channel into the welding gun, thereby improving the adjustability of the wire guide transmission. Attached Figure Description

[0014] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a structural diagram of the roller core overlay welding equipment of this utility model; Figure 2 This is a side view of the wire guide assembly of the roller core overlay welding equipment of this utility model; Figure 3 This is a partial cross-sectional view of the wire guide assembly of the roller core welding equipment of this utility model (partial view of the shell near the steering seat after removing the shell). In the diagram: 1-Frame, 2-Fluoride storage box, 3-Welding head assembly, 4-First sliding assembly, 5-Moving device, 6-Second sliding assembly, 7-Wire guide assembly, 31-First adjusting rod, 32-Second adjusting rod, 33-Third adjusting rod, 34-Wire feeding motor, 35-Welding torch, 36-First adjusting seat, 38-Rotating seat, 39-Connecting sleeve, 41-Slide rail, 42-Second roller, 43-Limiting block, 51-Moving frame, 53-First roller, 351-Output pipe, 391-Wire feeding channel, 70-Welding wire, 71-Housing, 72-Wire guide assembly 73-Second gear, 74-Upper guide wheel, 75-Upper guide pulley, 76-First connecting plate, 77-Second connecting plate, 78-First adjusting screw, 79-Third connecting plate, 80-Lower guide pulley, 81-Fourth connecting plate, 82-First rotating shaft, 83-Second rotating shaft, 84-Third rotating shaft, 85-Fourth rotating shaft, 86-Fifth rotating shaft, 87-Sixth rotating shaft, 88-Upper limit plate, 89-Lower limit plate, 351-Output pipe, 711-Third through hole, 781-Limit nut, 811-Limit groove, 881-First through hole. Detailed Implementation

[0016] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0017] In one specific embodiment of this utility model, such as Figure 1-3 As shown, a roller core welding device is disclosed, including a frame 1, several flux storage tanks 2, and several welding head assemblies 3. There are at least two flux storage tanks 2, each of which is mounted on the top of the frame 1 via a first sliding assembly 4. Each welding head assembly 3 is slidably connected to the upper part of the frame 1 via a moving device 5. The welding head assembly 3 includes a first adjusting rod 31, a second adjusting rod 32, a third adjusting rod 33, a wire feeding motor 34, and a welding torch 35. The first adjusting rod 31 is fixedly mounted on the bottom of the corresponding moving device 5. The second adjusting rod 32 is L-shaped and is connected to the first adjusting rod 31 via a first adjusting seat 36. The third adjusting rod 33 is connected to the second adjusting rod 32 via the first adjusting seat 36. The wire feeding motor 34 is connected to the third adjusting rod 33 via a second sliding assembly 6. The welding head assembly 3 can be set up by adjusting the distance between the vertical support of the second adjusting rod 32 and the first adjusting rod 31 and the height of the third adjusting rod 33 on the second adjusting rod 32 through the two first adjusting seats 36, so as to adjust the height of the welding head assembly 3 away from or close to the first adjusting rod 31 and the welding gun 35, so as to meet the welding requirements of roller cores of various sizes and specifications. The second sliding assembly 6 includes a second adjusting screw, a slider disposed on the side of the steering seat 38, and a sliding seat fixedly disposed at the end of the third adjusting rod 33. The second adjusting screw passes through the top of the sliding seat and extends into the sliding seat to connect with the slider. The sliding seat is screwed onto the end of the third adjusting rod 33 and locked by nuts on both sides of the sliding seat. Several guide rods are embedded in the sliding seat, and the slider slides on the guide rods. The wire feeding motor 34 is connected to the wire guide assembly 7 via the steering seat 38, and the wire guide assembly 7 is located above the welding gun 35. The steering seat 38 is located at the end of the third adjusting rod 33. The two ends of the roller core are respectively located below the welding gun 35 via support seats, and each support seat is provided with a bearing between the two ends of the roller core. The roller core is provided with a drive mechanism that can drive the roller core to rotate. In this embodiment, the drive mechanism is preferably a motor. The roller core is vertically arranged with the welding gun 35 of several welding head assemblies 3. The ends of the roller core are driven to rotate by the drive mechanism. The top of the welding gun 35 is provided with a connecting sleeve 39, which is connected to the inner wall of the steering seat 38. The connecting sleeve 39 is provided with a wire feeding channel 391 through which the welding wire 70 can pass. The welding gun 35 is provided with two output pipes 351, one of which is connected to the wire feeding channel 391, and the other is connected to the mobile flux storage tank 2 through the output pipe 351.

[0018] Each mobile device 5 includes a mobile frame 51 and first rollers 53. The mobile frame 51 is set in the transverse support of the frame 1. There are four first rollers 53. The mobile frame 51 is equipped with a travel motor for driving the four first rollers 53 to move. The travel motor pushes the four first rollers 53 of each mobile device 5 to move left and right in the transverse support of the frame 1.

[0019] Each first sliding component 4 includes a slide rail 41 and a second roller 42. The slide rails 41 are a pair and are arranged in parallel on the top of the frame 1. Each end of the pair of slide rails 41 is provided with a limiting block 43. There are four second rollers 42 and they are respectively arranged at the bottom of the flux storage box 2. The second rollers 42 are arranged on the slide rails 41.

[0020] The welding equipment is equipped with several flux storage tanks 2 that can adjust their positions according to the position of the welding head assembly 3 to meet the welding conditions. By simultaneously feeding flux and welding wire into the welding gun 35, the two are mixed in the welding gun 35 and then welded onto the roller core, so that the welding gun 35 is continuously supplied with welding material. This solves the problem of uneven welding caused by poor gripping force when manually holding the welding gun, and also solves the problem of poor welding efficiency caused by the need to constantly stop welding to increase the welding material when holding the welding gun.

[0021] The wire guide assembly 7 includes a housing 71 and a first gear, a second gear 73, an upper directional wheel 74, an upper guide pulley 75, a first connecting plate 76, a second connecting plate 77, a first adjusting screw 78, a third connecting plate 79, a lower guide pulley 80, and a fourth connecting plate 81 disposed within the housing 71. The side of the housing 71 is connected to the steering seat 38. A second rotating shaft 83 passes through the second gear 73, and the second rotating shaft 83 passes through the housing 71 and extends into the steering seat 38, where a worm gear transmission gear is fitted. The output end of the wire feeding motor 34 is connected to the worm gear transmission gear via a worm. The first gear and the upper directional wheel 74 are respectively mounted on the inner wall of the housing 71 via the first rotating shaft 82. The first gear is located below the upper directional wheel 74. A guide wheel 72 is fixedly mounted on the end face of the first gear away from the steering seat 38. The guide wheel 72 and the first gear are both sleeved on the same first rotating shaft 82. The first gear meshes with the second gear 73. The first connecting plate 76 is mounted on the inner wall of the housing 71 via the third rotating shaft 84, and the other end is connected to the upper guide pulley 75 via the fourth rotating shaft 85. There are two second connecting plates 77, with one end of each second connecting plate 77 sleeved on the third rotating shaft 84 and the other end extending out of the housing 71 and hinged to the first adjusting screw 78. One end of the third connecting plate 79 is mounted on the inner wall of the housing 71 via the fifth rotating shaft 86, and the other end is connected to the lower guide pulley 80 via the sixth rotating shaft 87. There are two fourth connecting plates 81, with a limiting groove 811 formed between the two fourth connecting plates 81. The limiting groove 811 is used for the first adjusting screw 78 to pass through. One end of each fourth connecting plate 81 is sleeved on the fifth rotating shaft 86, and the other end passes through the housing 71 and extends out.

[0022] The top and bottom of the housing 71 are respectively provided with an upper limit plate 88 and a lower limit plate 89. The upper limit plate 88 is used to limit the upward movement position of the two second connecting plates 77, and a first through hole 881 is opened on the upper limit plate 88. The lower limit plate 89 is used to limit the downward movement position of the two fourth connecting plates 81, and a second through hole communicating with the wire feeding channel 391 is opened on the lower limit plate 89.

[0023] The first adjusting screw 78 is provided with a limiting nut 781, the top of which abuts against the end of the two fourth connecting plates 81 away from the fifth rotating shaft 86 for a limiting position. A first guide wire channel is formed between the upper guide pulley 75 and the upper directional pulley 74, and a second guide wire channel is formed between the lower guide pulley 80 and the guide wire pulley 72. The housing 71 has a third through hole 711 above it, which communicates with the first through hole 881. The third through hole 711 is located above the first wire guide channel, and the connecting sleeve 39 is located below the second wire guide channel. The welding wire 70 passes through the first through hole 881 and the third through hole, and then passes through the first wire guide channel, the second wire guide channel, the wire feeding channel 391 and the second through hole in sequence, and then enters the welding gun 35 through the output pipe 351. The lower end of the first adjusting screw 78 only passes through the limiting groove 811. The limiting is achieved by the top of the limiting nut 781 abutting against the end of the two fourth connecting plates 81 away from the fifth rotating shaft 86. Rotating the limiting nut 781 upward pushes the end of the two fourth connecting plates 81 away from the fifth rotating shaft 86 upward, and the end of the third connecting plate 79 with the lower guide pulley 80 rotates downward, bringing it closer to the guide wheel 72, so as to adjust the size of the second guide channel between the guide wheel 720 and the lower guide pulley 80. When the limiting nut 781 moves upward, the end of the two second connecting plates 77 that are hinged to the first adjusting screw 78 rotates downward. Then, the end of the first connecting plate 76 with the upper guide pulley 75 rotates upward accordingly, thereby adjusting the size of the first guide wire channel between the upper guide pulley 75 and the upper directional wheel 74.

[0024] The wire guide assembly 7 can be configured such that the size of the first wire guide channel between the upper guide pulley 75 and the upper directional wheel 74 can be adjusted by adjusting the first adjusting screw 78, thereby adjusting the smoothness between the welding wire and the guide pulley 75 and the upper directional wheel 74. When the two fourth connecting plates 81 are in contact with or away from the lower limit plate 89, the size of the second wire guide channel between the lower guide pulley 80 and the wire guide wheel 72 can be adjusted so that when the worm gear fixed at the output end of the wire feeding motor 34 drives the worm gear transmission gear sleeved on the second rotating shaft 83 to rotate, the second gear 73 drives the first gear and the wire guide wheel 72 fixed on the first gear to rotate simultaneously. The wire guide wheel 72 cooperates with the lower guide pulley 80 to push the welding wire from the second wire guide channel to the welding gun 35, thereby improving the adjustability of the wire guide transmission.

[0025] The welding equipment of this invention can simultaneously weld various parts of the roller core, thereby improving the welding efficiency of the roller core.

[0026] The working process of this utility model is as follows: The flux is loaded into several movable flux storage boxes 2. Then, the second adjusting rod 32 of each welding head assembly 3 is rotated, causing it to rotate within the first adjusting seat 36. This rotates the third adjusting rod 33 connected to the second adjusting rod 32. Once the desired welding position of the roller core is reached, the direction of the third adjusting rod 33 is adjusted so that the longer section of the rod is vertically downward. The steering seat 38 is then mounted on the end of the third adjusting rod 33 via the second sliding assembly 6, and the wire guide assembly 7 is mounted on one side of the steering seat 38. Adjusting the first adjusting screw 78 adjusts the size of the first wire guide channel between the upper guide pulley 75 and the upper directional pulley 74, ensuring the welding wire 70 can slide smoothly through it, thus adjusting the smoothness between the welding wire 70 and the guide pulley 75 and the upper directional pulley 74. Adjusting the two fourth connecting plates 81 to contact the lower limit plate 89 adjusts the size of the second wire guide channel between the lower guide pulley 80 and the wire guide wheel 72. The size of the second wire guide channel allows the wire guide wheel 72 to smoothly drive the welding wire 70 to its optimal size. After adjustment, the welding wire... The wire 70 passes sequentially through the first through hole 881, the third through hole, and the first wire guide channel before entering the second wire guide channel. At this time, the worm gear fixed at the output end of the wire feeding motor 34 drives the worm gear transmission gear sleeved on the second rotating shaft 83 to rotate, thereby driving the second gear 73 on the outer end of the second rotating shaft 83 to rotate, which in turn drives the first gear and the wire guide wheel 72 fixed on the first gear to rotate simultaneously. The wire guide wheel 72 cooperates with the lower guide pulley 80 to push the welding wire 70 from the second wire guide channel through the wire feeding channel 391 and the second through hole, and then through the output pipe 351 to be transported into the welding torch 35. Simultaneously, the flux in the mobile flux storage tank 2 is transported to the welding gun 35 through another output pipe 351. The welding wire 70 and the flux melt together in the welding gun 35 and are then output onto the roller core driven by the drive mechanism to perform surfacing welding on the peripheral walls of various parts of the roller core. By performing surfacing welding on the roller core from multiple directions, the surfacing welding cycle is reduced by 35%, which also reduces the labor cost of secondary correction and the electricity cost of the heating furnace, while ensuring product quality.

[0027] The above-disclosed embodiment is merely a preferred embodiment of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A roller core overlay welding device, characterized in that, The assembly includes a frame (1), several flux storage tanks (2), and several welding head assemblies (3). Each flux storage tank (2) is mounted on the top of the frame (1) via a first sliding assembly (4), and each welding head assembly (3) is slidably connected to the upper part of the frame (1) via a moving device (5). The welding head assembly (3) includes a first adjusting rod (31), a second adjusting rod (32), a third adjusting rod (33), a wire feeding motor (34), and a welding torch (35). The first adjusting rod (31) is fixedly mounted on the bottom of the corresponding moving device (5). The second adjusting rod (32) is connected to the first adjusting rod (31) via a first adjusting seat (36). The third adjusting rod (33) is connected to the second adjusting rod (32) via the first adjusting seat (36). The wire feeding motor (34) is connected to the third adjusting rod (33) via a second sliding assembly (6). The wire feeding motor (34) is connected to the wire guide assembly (7) via the steering seat (38), and the wire guide assembly (7) is located above the welding gun (35). The steering seat (38) is located at the end of the third adjusting rod (33). The top of the welding gun (35) is provided with a connecting sleeve (39), which is connected to the inner wall of the steering seat (38). The connecting sleeve (39) is provided with a wire feeding channel (391) through which the welding wire (70) can pass. The welding gun (35) is provided with two output pipes (351), one of which is connected to the wire feeding channel (391), and the other is connected to the flux storage tank (2) through the output pipe (351).

2. The roller core overlay welding equipment according to claim 1, characterized in that, Each of the mobile devices (5) includes a mobile frame (51) and first rollers (53). The mobile frame (51) is set in the transverse support of the frame (1). There are four first rollers (53). The mobile frame (51) is provided with a walking motor for driving the four first rollers (53) to move.

3. The roller core overlay welding equipment according to claim 1, characterized in that, Each of the first sliding components (4) includes a slide rail (41) and a second roller (42). The slide rails (41) are a pair and are arranged in parallel on the top of the frame (1). Each pair of slide rails (41) has a limiting block (43) at both ends. There are four second rollers (42) and they are respectively arranged at the bottom of the flux storage box (2). The second rollers (42) are arranged on the slide rails (41).

4. The roller core surfacing equipment according to claim 1, characterized in that, The wire guide assembly (7) includes a housing (71) and a first gear, a second gear (73), an upper directional wheel (74), an upper guide pulley (75), a first connecting plate (76), a second connecting plate (77), a first adjusting screw (78), a third connecting plate (79), a lower guide pulley (80), and a fourth connecting plate (81) disposed within the housing (71). The side of the housing (71) is connected to the steering seat (38). A second rotating shaft (83) passes through the second gear (73). The second rotating shaft (83) passes through the housing (71) and extends into the steering seat (38), where a worm gear is fitted. The output end of the wire feeding motor (34) is connected to the worm gear through a worm. The first gear and the upper directional wheel (74) are respectively mounted on the inner wall of the housing (71) via the first rotating shaft (82). The first gear is located below the upper directional wheel (74). A guide wheel (72) is fixedly mounted on the end face of the first gear away from the steering seat (38). The guide wheel (72) and the first gear are both sleeved on the same first rotating shaft (82). The first gear meshes with the second gear (73). The first connecting plate (76) is mounted on the inner wall of the housing (71) via a third rotating shaft (84), and its other end is connected to the upper guide pulley (75) via a fourth rotating shaft (85). There are two second connecting plates (77), with one end of each second connecting plate (77) sleeved on the third rotating shaft (84), and the other end extending out of the housing (71) and hinged to the first adjusting screw (78). One end of the third connecting plate (79) is connected to a fifth rotating shaft. (86) is disposed on the inner wall of the housing (71), and the other end is connected to the lower guide pulley (80) through the sixth rotating shaft (87). There are two fourth connecting plates (81), and a limiting groove (811) is formed between the two fourth connecting plates (81). The limiting groove (811) is used for the first adjusting screw (78) to pass through. One end of the two fourth connecting plates (81) is sleeved on the fifth rotating shaft (86), and the other end passes through the housing (71) and extends out.

5. The roller core overlay welding equipment according to claim 4, characterized in that, The top and bottom of the housing (71) are respectively provided with an upper limit plate (88) and a lower limit plate (89). The upper limit plate (88) is used to limit the upward movement position of the two second connecting plates (77). The upper limit plate (88) is provided with a first through hole (881). The lower limit plate (89) is used to limit the downward movement position of the two fourth connecting plates (81). The lower limit plate (89) is provided with a second through hole communicating with the wire feeding channel (391).

6. The roller core surfacing equipment according to claim 4, characterized in that, The first adjusting screw (78) is provided with a limiting nut (781), the top of which abuts against the end of the two fourth connecting plates (81) away from the fifth rotating shaft (86) for a limiting position.

7. The roller core welding equipment according to claim 4, characterized in that, A first guide wire channel is formed between the upper guide pulley (75) and the upper directional pulley (74), and a second guide wire channel is formed between the lower guide pulley (80) and the guide wire wheel (72). The housing (71) has a third through hole (711) above it that communicates with the first through hole (881). The third through hole (711) is located above the first wire guide channel, and the connecting sleeve (39) is located below the second wire guide channel. The welding wire (70) passes through the first through hole (881) and the third through hole, and then passes through the first wire guide channel, the second wire guide channel, the wire feeding channel (391) and the second through hole in sequence, and then enters the welding gun (35) through the output pipe (351).

8. The roller core welding equipment according to claim 1, characterized in that, The number of flux storage boxes (2) is at least two.

9. The roller core overlay welding equipment according to claim 1, characterized in that, The two ends of the roller core are respectively provided below the welding torch (35) by support seats, and each support seat is provided with a bearing between the two ends of the roller core. The roller core is provided with a drive mechanism that can drive the roller core to rotate.

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