Welding platform for equipment machining

Abstract

The invention belongs to the technical field of welding equipment, and particularly relates to an equipment machining welding platform which comprises a base plate, a support is arranged on the upper portion of the base plate, guide seats are symmetrically arranged on the lower side of the middle of the support, arc-shaped clamping sleeves are movably arranged on a mounting seat and the guide seats correspondingly, and each arc-shaped clamping sleeve is composed of a clamping part and a movable part; a clamping assembly used for driving the arc-shaped clamping sleeves to clamp the boiler barrel is arranged between the two arc-shaped clamping sleeves, a walking mechanism used for driving the arc-shaped clamping sleeves to rotate is arranged on the upper portion of the support, an electric welding gun is fixedly arranged on the support, and the gun head of the electric welding gun is sleeved with a fixed sleeve penetrating through the movable portions of the arc-shaped clamping sleeves. Sand blasting guide pipes are symmetrically arranged on the sides, close to the boiler barrel, of the fixing sleeves, and the sand blasting machines are connected through flexible pipes. Through cooperation of the structures, the welding face can be cleaned, meanwhile, heat preservation treatment can be conducted on a welded seam after welding, and the welding quality of the welded seam is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of welding equipment, and specifically relates to a welding platform for equipment processing. Background Art

[0002] High-pressure boiler equipment has a wide range of applications in multiple fields, such as in the power industry, chemical industry, and other industrial fields. Existing high-pressure boilers are all manufactured through welding processes, so the welding quality directly determines the airtightness and service life of the high-pressure boiler. Due to the large size of the high-pressure boiler, the deformation amount accumulates continuously during the welding process, and finally, the deformation accumulation amount at the end opposite to the welding starting point is too large, resulting in a dislocation phenomenon.

[0003] A patent with the Chinese invention patent publication number CN118478149B discloses an automated welding platform for special equipment. The key points of its technical solution are as follows: It includes a base plate, on the top surface of which a support frame is fixedly installed. A support plate is slidably connected to one side of the support frame, and a support hole is opened on the top surface of the base plate; a welding table is rotatably connected to the inner circumferential wall surface of the support hole for supporting the inner shell of the boiler, and a protective box is arranged on the top surface of the base plate; a hose is installed on the top surface of the protective box. By using the vacuum of the inner shell of the boiler and the detection liquid to cooperate to detect the airtightness of the weld seam, the welding process of the inner shell of the boiler and the boiler end cover is completed, achieving the automated welding effect of the inner shell of the boiler in special equipment and facilitating the subsequent assembly of the boiler by the staff.

[0004] However, the above technologies often have the following defects: For example, the weld seam is not processed during the welding process, resulting in the inability to eliminate the stress in the weld seam in a timely manner. At the same time, spraying the detection liquid on the weld seam is also likely to cause the weld seam to cool down too quickly, leading to problems such as an increase in the hardness of the weld seam, the generation of cracks, and deformation.

[0005] Therefore, the present invention provides a welding platform for equipment processing. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A welding platform for equipment processing according to the present invention includes a base plate. The upper surface of the base plate is evenly provided with support rollers for carrying a boiler drum, and a mounting seat is arranged in the middle of the upper surface of the base plate. A bracket is arranged above the base plate, and a guide seat is arranged on the lower side of the middle of the bracket. Arc-shaped clamping sleeves are movably arranged on both the mounting seat and the guide seat, and the arc-shaped clamping sleeve is composed of a clamping part and a movable part. A clamping assembly for driving the arc-shaped clamping sleeve to clamp the boiler drum is arranged between the two arc-shaped clamping sleeves. A traveling mechanism for driving the arc-shaped clamping sleeve to rotate is arranged on the upper part of the bracket. A welding torch is fixedly arranged on the bracket, and a fixed sleeve penetrating the movable part of the arc-shaped clamping sleeve is sleeved on the gun head of the welding torch. Sandblasting conduits are symmetrically arranged on one side of the fixed sleeve close to the boiler drum. A sandblaster is arranged on one side of the base plate, and the sandblaster is connected to the sandblasting conduits through a flexible pipe.

[0008] Further, the arc-shaped clamping sleeve includes arc-shaped clamping plates. The opposite side surfaces of the two arc-shaped clamping plates are evenly provided with connecting sliding grooves with an L-shaped cross-section. Arc-shaped sliding rails are slidably arranged in the connecting sliding grooves. A woven heat-insulating layer is arranged between the two arc-shaped sliding rails, and a connecting plate for limiting the distance between the two arc-shaped sliding rails is arranged outside the woven heat-insulating layer.

[0009] Further, an anti-slip plate is inlaid on the inner side of the arc-shaped clamping plate, and anti-slip lines are evenly arranged on the side surface of the anti-slip plate that fits the boiler drum.

[0010] Further, arc-shaped sliding plates are symmetrically arranged in the mounting seat, and arc-shaped sliding grooves matching the arc-shaped sliding plates are arranged on the arc-shaped clamping plate.

[0011] Further, the clamping assembly includes a fixed seat. Fixed seats are symmetrically arranged on the outer sides of the arc-shaped clamping plates. An electromagnetic pull rod is arranged on the fixed seat. The extending end of the electromagnetic pull rod is connected to a lifting pull rod, and the upper end of the lifting pull rod penetrates the arc-shaped clamping plate and is fixedly connected to the adjacent arc-shaped clamping plate.

[0012] Further, an air storage cavity is opened in the fixed seat, and a piston plate is slidably arranged in the air storage cavity. The piston plate is fixedly connected to the output end of the electromagnetic pull rod. An exhaust through hole communicating with the air storage cavity is opened on the outer side of the fixed seat close to the electromagnetic pull rod, and an air guide pipe is arranged at the exhaust through hole. The exhaust port of the air guide pipe is aligned with the upper end surface of the arc-shaped clamping plate installed on the guide seat.

[0013] Further, the walking mechanism includes a driving motor which is arranged on the bracket. A worm is provided at the output end of the driving motor. An installation through groove is formed in the middle of the bracket. A transmission shaft is rotatably arranged in the installation through groove. A worm gear matched with the worm is fixedly arranged in the middle of the transmission shaft. The two ends of the transmission shaft penetrate through the outside of the bracket and are provided with driving gears for driving the arc-shaped clamping plate to rotate. Tooth grooves matched with the driving gears are uniformly formed on the outer side of the arc-shaped clamping plate.

[0014] Further, the included angle between the sand blasting conduit and the normal line of the outer contour of the boiler drum to be welded is 45-60 degrees.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. For the welding platform for equipment processing described in the present invention, through the arc-shaped clamping sleeve and the clamping assembly provided, the boiler drums on both sides of the weld are clamped and fixed, avoiding the dislocation of the welding points caused by expansion deformation during the welding process. At the same time, it is ensured that the arc-shaped clamping sleeve and the boiler drum move synchronously without relative movement. Through the walking mechanism directly driving the arc-shaped clamping sleeve, the boiler drum can always rotate at a fixed speed, so that the weld is more uniform and the phenomenon of poor weld formation caused by the change of the welding wire speed is avoided.

[0017] 2. For the welding platform for equipment processing described in the present invention, through the sand blasting conduits and sand blasting machines arranged on both sides of the electric welding gun, the surface of the weld can be sand blasted during the welding process, so that the rust or oil stain on the surface of the weld is removed, improving the welding quality of the weld. At the same time, the weld after welding is sand blasted. Under the continuous impact of the sand grains during sand blasting, the stress on the surface of the weld is eliminated. At the same time, the sand grains ejected are stored in the inner cavity of the arc-shaped clamping sleeve, so that the sand grains cover and keep warm the weld after welding, avoiding the occurrence of cracks due to stress concentration caused by the too rapid decrease of the temperature of the weld. Description of the Drawings

[0018] The present invention will be further described below with reference to the drawings.

[0019] Figure 1 is the three-dimensional view of the present invention;

[0020] Figure 2 is the front view of the present invention;

[0021] Figure 3 is the right view of the present invention;

[0022] Figure 4 is Figure 2 the sectional view at A-A in

[0023] Figure 5 is Figure 3 the sectional view at B-B in

[0024] Figure 6 is Figure 5 The partial enlarged view at position C in

[0025] Figure 7 is the three - dimensional view of the arc - shaped ferrule in the present invention;

[0026] Figure 8 is the schematic cross - sectional view of the clamping assembly in the present invention.

[0027] In the figure: 1, substrate; 2, support roller; 3, mounting seat; 4, bracket; 5, guide seat; 6, arc - shaped ferrule; 7, clamping assembly; 8, traveling mechanism; 9, electric welding gun; 10, fixing sleeve; 11, sand - blasting conduit; 12, sand - blaster; 13, anti - slip plate; 14, arc - shaped slide plate; 15, piston plate; 16, air duct; 60, arc - shaped clamping plate; 61, arc - shaped slide rail; 62, braided heat - insulating layer; 63, connecting plate; 70, fixing base; 71, electromagnetic pull rod; 72, lifting pull rod; 80, driving motor; 81, worm; 82, transmission shaft; 83, worm gear; 84, driving gear. Specific Embodiments

[0028] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0029] Embodiment 1: As Figure 1 and Figure 2 shown, on the upper surface of the substrate 1 of the embodiment of the present invention, support rollers 2 for carrying the boiler drum are uniformly and fixedly installed, so that the boiler drum can rotate more smoothly during the welding process.

[0030] As Figures 1 to 7 shown, a bracket 4 is fixedly installed on the upper part of the substrate 1, a guide seat 5 is arranged on the lower side of the middle part of the bracket 4, and a mounting seat 3 is fixedly installed in the middle of the upper surface of the substrate 1. An arc - shaped ferrule 6 for clamping the boiler drum is movably arranged on both the mounting seat 3 and the guide seat 5. The arc - shaped ferrule 6 includes an arc - shaped clamping plate 60. Fixing bases 70 are symmetrically arranged on the outer sides of the two arc - shaped ferrules 6. An electromagnetic pull rod 71 is arranged on the fixing base 70. The extending end of the electromagnetic pull rod 71 is connected with a lifting pull rod 72. The upper end of the lifting pull rod 72 penetrates through the arc - shaped clamping plate 60 and is fixedly connected with the adjacent arc - shaped clamping plate 60. By energizing the electromagnetic pull rod 71 to pull the lifting pull rod 72 downward, the lower arc - shaped clamping plate 60 is pushed reversely, so that the upper and lower arc - shaped clamping plates 60 clamp the boiler drum.

[0031] On the opposite sides of the two arc-shaped clamping plates 60, connecting sliding grooves 600 with an L-shaped cross-section are evenly provided. An arc-shaped slide rail 61 is slidably arranged in the connecting sliding groove 600. A woven heat-insulating layer 62 is arranged between the two arc-shaped slide rails 61. The woven heat-insulating layer 62 is a multi-layer heat-insulating layer made of rock wool cloth selected for its heat-insulating effect. And an adapter plate 63 for restricting the distance between the two arc-shaped slide rails 61 is arranged outside the woven heat-insulating layer 62. Arc-shaped sliding plates 14 are symmetrically arranged in the mounting seat 3. And arc-shaped sliding grooves 601 matching the arc-shaped sliding plates 14 are provided on the arc-shaped clamping plates 60. The left and right oppositely arranged arc-shaped clamping plates 60 are connected through the adapter plate 63, so that the two boiler drums to be welded are kept aligned during welding. The welding area is shielded and enclosed by the woven heat-insulating layer 62, avoiding the direct exposure of the weld seam after welding to the external environment, resulting in too fast cooling of the weld seam and causing stress concentration and cracking.

[0032] As Figure 4 and Figure 5 As shown, a driving motor 80 is arranged on the support 4. The driving motor is selected as a servo motor. And a worm 81 is arranged at the output end of the driving motor 80. An installation through groove is provided in the middle of the support 4. A transmission shaft 82 is rotatably arranged in the installation through groove. And a worm gear 83 matching the worm 81 is fixedly arranged in the middle of the transmission shaft 82. The two ends of the transmission shaft 82 penetrate through the outside of the support 4 and are provided with driving gears 84 for driving the arc-shaped clamping plates 60 to rotate. And tooth grooves matching the driving gears 84 are evenly provided on the outer side of the arc-shaped clamping plates 60. By driving the worm 81 to rotate through the driving motor 80, through the meshing transmission between the worm 81 and the worm gear 83, the transmission shaft 82 obtains a large torque, so that the transmission shaft 82 has enough force to drive the driving gear 84 to rotate, and further enables the driving gear 84 to push the arc-shaped clamping sleeve 6 clamping the boiler drum to perform a self-rotating movement.

[0033] A welding torch 9 is fixedly arranged on the support 4. And a fixing sleeve 10 penetrating through the movable part of the arc-shaped clamping sleeve 6 is sleeved on the gun head of the welding torch 9. Sand blasting conduits 11 are symmetrically arranged on one side of the fixing sleeve 10 close to the boiler drum. A sand blaster 12 is arranged on one side of the substrate 1. The sand blaster 12 and the sand blasting conduits 11 are connected through a flexible pipe, so that the surface of the weld seam can be sand blasted during the welding process, the rust or oil stain on the surface of the weld seam is removed, the welding quality of the weld seam is improved. At the same time, the weld seam after welding is sand blasted. Under the continuous impact of the sand grains, the stress on the surface of the weld seam is eliminated. At the same time, the sand grains ejected are stored in the inner cavity of the arc-shaped clamping sleeve 6, so that the sand grains cover and insulate the weld seam after welding.

[0034] Anti-slip plates 13 are inlaid on the inner sides of the arc-shaped clamping plates 60. Anti-slip lines are evenly arranged on the side surfaces of the anti-slip plates 13 that are in contact with the boiler drum, avoiding relative displacement during the rotation of the arc-shaped clamping plates 60 driving the boiler drum.

[0035] As Figure 4 shown, the included angle between the sandblasting conduit 11 and the normal line of the outer contour of the boiler drum to be welded is 45 degrees, so that the sand grains ejected from the sandblasting conduit 11 do not fly into the welding area after colliding with the boiler drum wall.

[0036] Embodiment 2: As Figure 8 shown, an air storage cavity is formed in the fixed seat 70 of the embodiment of the present invention, and a piston plate 15 is slidably arranged in the air storage cavity. The piston plate 15 is fixedly connected to the output end of the electromagnetic pull rod 71. An exhaust through hole communicating with the air storage cavity is formed outside one end of the fixed seat 70 close to the electromagnetic pull rod 71, and an air guide pipe 16 is arranged at the exhaust through hole. The exhaust port of the air guide pipe 16 is aligned with the upper end surface of the arc-shaped clamping plate 60 installed on the guide seat 5. When the electromagnetic pull rod 71 is energized to pull the lifting rod 72 downward, and the arc-shaped clamping plates 60 on the upper and lower sides move towards each other to be closed and clamped, the output end of the electromagnetic pull rod 71 drives the piston plate 15 to move downward, thereby squeezing the air in the air storage cavity, and further enabling the air in the air storage cavity to be discharged through the air guide pipe 16. The discharged air is aligned with the end surface of the arc-shaped clamping plate 60 for dust blowing treatment, so as to avoid affecting the clamping effect of the arc-shaped clamping plate 60 due to impurities on the end surface of the arc-shaped clamping plate 60.

[0037] Working principle: During operation, the two boiler drums to be welded are placed on the support rollers 2, and the welding parts of the boiler drums are aligned with the electric welding gun 9. First, control the electromagnetic pull rod 71 to be energized to work, so that the electromagnetic pull rod 71 pulls the lifting rod 72 downward, thereby enabling the fixed seat 70 to push the lower arc-shaped clamping plate 60 in the reverse direction, so that the arc-shaped clamping plates 60 on the upper and lower sides clamp the boiler drum. At the same time, the connecting plate 63 is used to align the end faces of the two boiler drums to be welded, and the woven heat insulation layer 62 and the arc-shaped clamping plate 60 are used to form a working chamber that isolates the external environment. Thus, the sandblasting machine 12 can be used to provide sand grains moving at high speed for the sandblasting conduit 11, so that the rust or oil stains on the surface of the boiler drum in the area to be welded are removed. The driving motor 80 is used to drive the worm 81 to rotate. Through the meshing transmission between the worm 81 and the worm gear 83, the transmission shaft 82 obtains a large torque, so that the transmission shaft 82 has sufficient force to drive the driving gear 84 to rotate. Furthermore, the driving gear 84 pushes the arc-shaped clamping sleeve 6 clamping the boiler drum to perform a self-rotating movement. The electric welding gun 9 is used to weld the cleaned weld, and at the same time, the weld surface is collided by the sand grains moving at high speed, so that the stress on the weld surface is eliminated. At the same time, the ejected sand grains are stored in the inner cavity of the arc-shaped clamping sleeve 6, so that the sand grains cover and insulate the welded weld.

[0038] The above front, back, left, right, up, and down are all based on the Figure 1Based on [a certain reference], with the perspective of observing a person as the standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0039] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present invention.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding platform for equipment processing, comprising a substrate (1), characterized in that: The upper surface of the base plate (1) is evenly provided with support rollers (2) for supporting the boiler drum, and a mounting seat (3) is provided in the middle of the upper surface of the base plate (1), a bracket (4) is provided on the upper part of the base plate (1), and a guide seat (5) is provided on the lower side of the middle part of the bracket (4), and an arc-shaped clamping sleeve (6) is movably provided on the mounting seat (3) and the guide seat (5), and the arc-shaped clamping sleeve (6) is composed of a clamping part and a movable part, and a clamping member for driving the arc-shaped clamping sleeve (6) to clamp the boiler drum is provided between the two arc-shaped clamping sleeves (6). The bracket (4) is provided with a walking mechanism (8) for driving the arc-shaped ferrule (6) to rotate, the bracket (4) is provided with an electric welding gun (9) fixedly mounted on the bracket (4), and the head of the electric welding gun (9) is provided with a fixing sleeve (10) penetrating the movable part of the arc-shaped ferrule (6), the fixing sleeve (10) is symmetrically provided with a sandblasting conduit (11) on one side close to the boiler barrel, and a sandblasting machine (12) is provided on one side of the base plate (1), and the sandblasting machine (12) is connected to the sandblasting conduit (11) through a flexible pipe.

2. The welding platform for equipment processing according to claim 1, characterized in that: The arc-shaped clamping sleeve (6) includes an arc-shaped clamping plate (60), and the opposite sides of the two arc-shaped clamping plates (60) are evenly provided with connecting slide grooves (600) with L-shaped cross sections. An arc-shaped slide rail (61) is slidably arranged in the connecting slide groove (600), a braided insulation layer (62) is arranged between the two arc-shaped slide rails (61), and a connecting plate (63) for limiting the distance between the two arc-shaped slide rails (61) is arranged outside the braided insulation layer (62).

3. The welding platform for equipment processing according to claim 2, characterized in that: An anti-skid plate (13) is inlaid on the inner side of the arc-shaped clamping plate (60), and the anti-skid plate (13) is evenly provided with anti-skid patterns on the side in contact with the boiler drum.

4. The welding platform for equipment processing according to claim 3, characterized in that: The mounting seat (3) is symmetrically provided with an arc-shaped slide plate (14), and the arc-shaped clamping plate (60) is provided with an arc-shaped slide groove (601) matching the arc-shaped slide plate (14).

5. The welding platform for equipment processing according to claim 4, characterized in that: The clamping assembly (7) comprises a fixed seat (70), and a fixed seat (70) is symmetrically arranged on the outer side of the arc-shaped clamping plate (60) arranged on the guide seat (5), and an electromagnetic pull rod (71) is arranged on the fixed seat (70), and the protruding end of the electromagnetic pull rod (71) is connected to a lifting rod (72), and the lower end of the lifting rod (72) passes through the arc-shaped clamping plate (60) and is fixedly connected to the adjacent arc-shaped clamping plate (60).

6. The welding platform for equipment processing according to claim 5, characterized in that: An air storage cavity is provided in the fixed seat (70), and a piston plate (15) is slidably arranged in the air storage cavity. The piston plate (15) is fixedly connected to the output end of the electromagnetic pull rod (71). An exhaust hole connected to the air storage cavity is provided on the outer side of one end of the fixed seat (70) close to the electromagnetic pull rod (71), and an air guide pipe (16) is arranged at the exhaust hole, and the exhaust port of the air guide pipe (16) is aligned with the upper end surface of the arc-shaped clamping plate (60) installed on the guide seat (5).

7. The welding platform for equipment processing according to claim 6, characterized in that: The walking mechanism (8) comprises a driving motor (80), the bracket (4) is provided with the driving motor (80), and the output end of the driving motor (80) is provided with a worm (81), the upper part of the bracket (4) is provided with a mounting slot, a transmission shaft (82) is rotatably provided in the mounting slot, and a worm wheel (83) matching the worm (81) is fixedly provided in the middle of the transmission shaft (82), and driving gears (84) for driving the arc-shaped card plate (60) to rotate are provided at both ends of the transmission shaft (82) through the outside of the bracket (4), and tooth grooves matching the driving gear (84) are evenly provided on the outside of the arc-shaped card plate (60).

8. The welding platform for equipment processing according to claim 7, characterized in that: The angle between the sandblasting conduit (11) and the normal line of the outer contour of the boiler tube to be welded is 45-60 degrees.

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