Automatic welding device for pressure pipeline

Abstract

The invention discloses an automatic welding device for a pressure pipeline, which relates to the technical field of welding equipment, and adopts the technical scheme that the automatic welding device comprises a support frame for supporting welding work, and the whole automatic welding device is of a square frame body structure; two pipeline bodies needing to be welded are arranged in the supporting frame. The supporting sliding assembly is used for supporting and moving a pipeline body needing to be welded. A welding assembly and a cleaning assembly are arranged in the supporting frame, the welding assembly acts on welding of the two pipeline bodies, and the cleaning assembly acts on cleaning of the welding position; the positioning assembly is arranged between the two pipeline bodies, the position of the positioning assembly can rotate and move, and the positioning assembly acts on positioning the center points of the two pipeline bodies and keeping the welding positions consistent. The chemical pipeline welding device has the beneficial effects that the two pipeline bodies are located on the same axis, deviation of a chemical pipeline is prevented, the welding quality is improved, and the chemical pipeline can be normally used; welding work is facilitated, and the welding effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular to an automatic welding device for a pressure pipeline. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. Metal pipes play the role of transporting gases and liquids in people's daily lives. Metal pipes are often produced in sections, so welding of metal pipes is particularly important.

[0003] The existing Chinese patent (publication number: CN209288634U) is a safety welding device for chemical pipelines. The welding device comprises: two chemical pipelines, a support frame, a welding mechanism and a rotating mechanism; the rotating mechanism comprises a rotating motor, a screw, two rotating rods, a rotating gear set and a matching gear set; each matching gear set comprises a first matching gear and a second matching gear; each rotating gear set comprises a first rotating gear and a second rotating gear; each first matching gear is meshed with two adjacent first rotating gears one by one; each second matching gear is meshed with two adjacent second rotating gears one by one; the screw is matched with two adjacent first rotating gears; the welding nozzle of the welding mechanism is arranged toward the welding gap, the welding device is easy to operate, the staff does not need to operate all the time during the welding process, the welding process is very safe, since there is no human error, the welding is accurate and efficient, the above patent cannot determine whether the two chemical pipelines are on the same axis, when the two chemical pipelines are offset, a gap will be caused at the welding point, affecting the normal use of the chemical pipeline, and before welding the chemical pipeline, the oil stains at the welding point are not cleaned, and the groove is not set at the welding point, which will cause the welding material to flow outward, causing the weld to expand, which will lead to a decrease in welding quality. Summary of the invention

[0004] To this end, the present invention provides an automatic pressure pipeline welding device to solve the problem that it is impossible to determine whether two chemical pipelines are on the same axial line. When the two chemical pipelines are offset, a gap will be caused at the welding point, affecting the normal use of the chemical pipeline. Before welding the chemical pipeline, if the oil stains at the welding point are not cleaned and the groove is not set at the welding point, the welding material will be lost outward, causing the weld to expand, which will lead to a decrease in welding quality.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: an automatic welding device for pressure pipes, comprising a support frame for supporting welding work, which is a square frame structure as a whole, two pipe bodies to be welded are arranged inside the support frame, a welding assembly and a cleaning assembly are arranged inside the support frame, the welding assembly acts on the welding of the two pipe bodies, and the cleaning assembly acts on the cleaning of the welding position;

[0006] The support sliding assembly is used to support and move the pipe body to be welded;

[0007] The positioning component is arranged between the two pipe bodies and its position can be rotated and moved. It acts to position the center points of the two pipe bodies to keep the welding positions consistent.

[0008] The cam is provided with a second arm for holding the second motor on the top of the support frame, and the cam is provided with a second arm for holding the second motor on the top of the support frame.

[0009] Furthermore, the fixing assembly includes two cylinder push rods, the output ends of the two cylinder push rods are fixedly connected with a clamping plate, one side of the two cylinder push rods is fixedly connected with a first connecting hose, and one end of the first connecting hose is connected to the cylinder.

[0010] Furthermore, the positioning assembly includes a second connecting hose, which is fixedly connected to the first connecting hose, and both ends of the second connecting hose are fixedly connected with sleeves, a T-plate is fixedly connected between the two sleeves, a square sleeve is provided on the outside of the T-plate, and push rods are provided on both sides of the top and bottom of the sleeve, and pressure sensors are installed on one end of the two push rods, a slot is provided on one side of the T-plate, a limit plug rod is provided on one side of the square sleeve, and the limit plug rod passes through the T-plate and the square sleeve, and transmission rods are fixedly provided on both sides of the square sleeve, and the transmission rods are connected to the support frame through bearings, one side of one of the transmission rods is provided with a square rod, and the square rod extends into the interior of the transmission rod, and one side of the square rod is fixedly provided with a rotating convex plate, and one side of the rotating convex plate is fixedly connected with two long rods, and the side wall of the support frame is provided with two limit grooves, and the long rods extend into the limit grooves.

[0011] Furthermore, a top frame is fixedly provided on the top of the support frame, and the top frame is fixedly provided at the bottom of the cylinder. A screw rod is connected to the inside of the top frame through a bearing, and a slider is provided on the outside of the screw rod through a threaded sleeve. A first motor is fixedly provided on one side of the top frame, and the output end of the first motor is fixedly connected to the screw rod. A limit rod is fixedly provided inside the top frame, and the limit rod passes through the slider and is slidably connected to the slider. A top plate is fixedly provided at the bottom of the slider.

[0012] Further, the cleaning assembly includes a second connecting block, the second connecting block is fixedly arranged on the bottom of the top plate, two first rings are fixedly arranged on one side of the second connecting block, the first annular external gears are connected to the inside of the two first rings through bearings, a second mounting plate is fixedly arranged on one side of the two first rings, a second gear is connected between the two second mounting plates through bearings, the second gear is meshed with the first annular external gear, a second connecting block is fixedly arranged on the inside of the first annular external gear, an electric push rod is fixedly arranged on one side of the second connecting block, the output end of the electric push rod is fixedly connected to a connecting shell, a connecting rod is connected to the inside of the connecting shell through bearings, two worm housings are fixedly sleeved on the outside of the connecting rod, two hanging plates are fixedly arranged on one side of the connecting shell, a fixed shaft is connected to the inside of the hanging plate through bearings, a worm gear is fixedly sleeved on the outside of the fixed shaft, the worm gear is meshed with the worm housing, a long plate is fixedly sleeved on the outside of the fixed shaft, a mounting frame is fixedly arranged on one side of the long plate, a grinding roller is connected to the inside of the mounting frame through bearings, a fourth motor is fixedly arranged on one side of the mounting frame, and the output end of the fourth motor is fixedly connected to the grinding roller.

[0013] Furthermore, the welding assembly includes a first connecting block, two second rings are fixedly provided on one side of the first connecting block, second annular external gears are connected inside the two second rings through bearings, a welding head is fixed inside the second annular external gear, a first mounting plate is fixedly provided on one side of the two second rings, a first gear is connected between the two first mounting plates through bearings, and the first gear is meshed with the second annular external gear.

[0014] Furthermore, two side plates are fixedly provided on the top of the support frame, and a third motor is fixedly provided on one side of one of the side plates, and a connecting shaft is connected between the two side plates through a bearing, a movable gear is fixedly sleeved outside the connecting shaft, and two fixed gears are fixedly sleeved outside the connecting shaft, and the two fixed gears are respectively fixedly connected to the two side plates, and the output end of the third motor is fixedly connected to the connecting shaft, and it is meshed with the first gear and the second gear through the fixed gear and the movable gear.

[0015] Furthermore, four corners of the bottom of the support frame are fixedly connected with support legs.

[0016] Furthermore, a welding slag collection vehicle is provided at the bottom of the support frame.

[0017] The embodiments of the present invention have the following advantages:

[0018] 1. The pressure sensor is driven to move by the push rod and contacted with the inner wall of the pipeline body through the pressure sensor, the pressure at the two pressure sensors is detected, and the pipeline body is controlled to move up and down by the placement rack. At this time, the pressure data will begin to change. When the data at both ends are consistent, it means that the two pipeline bodies are on the same axis, which prevents the chemical pipeline from deviating, improves the welding quality, and ensures the normal use of the chemical pipeline;

[0019] 2. Rotate the cleaning assembly one circle and use the grinding roller to grind the welding part of the pipe body in a whole circle to make the welding part have a metallic luster. Adjust the grinding angle of the grinding roller, rotate the grinding roller one circle and grind the welding part of the pipe body in a whole circle to make a groove appear at the welding part, which is convenient for welding work and improves the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0021] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0022] Figure 1 The front view of the overall structure provided by the present invention;

[0023] Figure 2 A rear view of the overall structure provided by the present invention;

[0024] Figure 3 A three-dimensional diagram of the positioning assembly provided by the present invention;

[0025] Figure 4 A three-dimensional diagram of the support sliding assembly provided by the present invention;

[0026] Figure 5 A cross-sectional view of a support sliding assembly provided by the present invention;

[0027] Figure 6A three-dimensional diagram of a cleaning assembly provided by the present invention;

[0028] Figure 7 A three-dimensional diagram of a welding assembly provided by the present invention;

[0029] Figure 8 A cross-sectional view of a cleaning assembly provided by the present invention;

[0030] Fig. 9 The present invention provides Figure 2 Enlarged view of the structure of part A in the middle.

[0031] In the figure: 1, support frame; 101, support leg; 102, top frame; 103, limit rod; 104, screw rod; 105, first motor; 106, slider; 2, pipeline body; 3, fixed plate; 301, slider; 302, slider; 303, support plate; 304, clamping plate; 305, placement frame; 306, first connecting hose; 307, cylinder; 308, cylinder push rod; 309, second motor; 310, connecting seat; 311, connecting plate; 312, sliding block; 313, threaded rod; 314, slide groove; 4, third motor; 401, fixed gear; 402, movable gear; 403, side plate; 404, connecting shaft; 5, top plate; 501, first ring; 502, first annular outer gear; 503, second annular outer gear; 504, second ring; 505, first mounting plate; 506, first gear; 507, second mounting plate; 508, second gear; 509, welding head; 510, first connecting block; 511, second connecting block; 512, electric push rod; 513, connecting shell; 514, connecting rod; 515, worm casing; 516, worm wheel; 517, hanging plate; 518, fixed shaft; 519, mounting frame; 520, long plate; 521, grinding roller; 522, fourth motor; 6, second connecting hose; 601, transmission rod; 602, T-plate; 603, pressure sensor; 604, push rod; 605, sleeve; 606, square casing; 607, limit rod; 608, slot; 609, rotating convex plate; 610, long rod; 611, square rod; 612, limit groove; 7, welding slag collection vehicle. DETAILED DESCRIPTION

[0032] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Refer to the attached Figure 1 -Attached Fig. 9The present invention provides an automatic pressure pipe welding device, comprising a support frame 1 for supporting welding work, which is a square frame structure as a whole;

[0034] The support frame 1 is provided with two pipe bodies 2 to be welded;

[0035] The support sliding assembly is used to support and move the pipe body 2 that needs to be welded;

[0036] The support frame 1 is provided with a welding assembly and a cleaning assembly inside, wherein the welding assembly is used for welding the two pipe bodies 2, and the cleaning assembly is used for cleaning the welding position;

[0037] The positioning component is arranged between the two pipe bodies 2, and its position can be rotated and moved. It acts to position the center points of the two pipe bodies 2 to keep the welding positions consistent;

[0038] Among them, in order to achieve the purpose of movement and lifting adjustment, the present device adopts the following technical solutions: the supporting sliding assembly includes a fixed plate 3, the fixed plate 3 is fixedly arranged at the bottom of the supporting frame 1, a slide plate 301 is fixedly arranged on one side of the fixed plate 3, a slide frame 302 is sleeved on the outside of the slide plate 301, the slide plate 301 is slidably connected to the slide frame 302, a supporting plate 303 is fixedly arranged on the top of the slide frame 302, a second motor 309 is fixedly arranged on one side of the supporting plate 303, a slide groove 314 is opened on the top of the supporting plate 303, two sliding blocks 312 are arranged inside the slide groove 314, a threaded rod 313 is connected inside the slide groove 314 through a bearing, the output end of the second motor 309 is fixedly connected to the threaded rod 313, the threaded rod 313 passes through the two sliding blocks 312 and is connected to the sliding The block 312 is connected by threads, and the threads on both sides of the threaded rod 313 are rotated in opposite directions. One side of the two sliding blocks 312 is movably connected to a connecting plate 311 through a rotating shaft, and one side of the two connecting plates 311 is movably connected to a connecting seat 310 through a rotating shaft. A placement rack 305 is fixed on the top of the two connecting seats 310, and fixed components are provided on both sides of the placement rack 305. The movement of the pipeline body 2 is controlled by the cooperation of the slide plate 301 and the slide 302. The second motor 309 is started, and the second motor 309 controls the rotation of the threaded rod 313, the threaded rod 313 drives the sliding block 312 to move, the sliding block 312 drives the connecting plate 311 to move, and the connecting plate 311 pushes the connecting seat 310 to move, so that the connecting seat 310 pushes the placement rack 305 to move, and the pipeline body 2 is controlled to move up and down through the placement rack 305;

[0039] Among them, in order to achieve the purpose of fixing, the present device adopts the following technical solutions: the fixing assembly includes two cylinder push rods 308, the output ends of the two cylinder push rods 308 are fixedly connected with the clamping plate 304, one side of the two cylinder push rods 308 is fixedly connected with the first connecting hose 306, one end of the first connecting hose 306 is connected with the cylinder 307, the two pipeline bodies 2 are respectively placed on the top of the two placement racks 305, the cylinder 307 is started, and the gas is transported into the cylinder push rod 308 through the first connecting hose 306, and the output end of the cylinder push rod 308 pushes the clamping plate 304 to move, so that the clamping plate 304 clamps and fixes the pipeline body 2;

[0040] Among them, in order to achieve the purpose of positioning, the present device is implemented by the following technical solutions: the positioning component includes a second connecting hose 6, the second connecting hose 6 is fixedly connected to the first connecting hose 306, both ends of the second connecting hose 6 are fixedly connected with sleeves 605, a T-shaped plate 602 is fixedly connected between the two sleeves 605, the T-shaped plate 602 is sleeved with a square casing 606 on the outside, and both the top and bottom sides of the sleeve 605 are provided with push rods 604, and one end of the two push rods 604 is installed with a pressure sensor 603, a slot 608 is opened on one side of the T-shaped plate 602, a limiting plug rod 607 is provided on one side of the square casing 606, and the limiting plug rod 607 passes through the T-shaped plate 602 and the square casing 606, and transmission rods 601 are fixedly provided on both sides of the square casing 606, and the transmission rod 601 is connected to the support frame 1 through a bearing, and one side of the transmission rod 601 is provided with a square rod 611, The square rod 611 extends into the transmission rod 601, and a rotating convex plate 609 is fixedly provided on one side of the square rod 611. Two long rods 610 are fixedly connected to one side of the rotating convex plate 609. Two limiting grooves 612 are provided on the side wall of the support frame 1, and the long rods 610 extend into the limiting grooves 612. The two pipe bodies 2 are covered on the outside of the sleeve 605 to control the valve at the connection between the second connecting hose 6 and the first connecting hose 306. The gas is transported into the second connecting hose 6 through the cylinder 307, and is transported to the inside of the sleeve 605 through the second connecting hose 6, thereby pushing the two push rods 604 to move to both sides, so that the push rods 604 drive the pressure sensor 603 to move and contact the inner wall of the pipe body 2 through the pressure sensor 603, detect the pressure at the two pressure sensors 603, calculate the pressure data through the computer, control the pipe body 2 to move up and down, and when the data at both ends are consistent, it means that the two pipe bodies 2 are on the same axis line;

[0041] Among them, in order to achieve the purpose of cleaning, the present device is implemented by the following technical solutions: a top frame 102 is fixedly provided on the top of the support frame 1, and the top frame 102 is fixedly provided at the bottom of the cylinder 307. A screw rod 104 is connected to the inside of the top frame 102 through a bearing, and a slider 106 is provided on the outside of the screw rod 104 through a threaded sleeve. A first motor 105 is fixedly provided on one side of the top frame 102, and the output end of the first motor 105 is fixedly connected to the screw rod 104. A limiting rod 103 is fixedly provided inside the top frame 102, and the limiting rod 103 passes through the slider 106 and is slidably connected to the slider 106. A top plate 5 is fixedly provided at the bottom of the slider 106. The cleaning component includes a second connecting block 511, and the second connecting block 511 is fixedly provided at At the bottom of the top plate 5, two first rings 501 are fixedly provided on one side of the second connecting block 511, and the first annular external gears 502 are connected to the inside of the two first rings 501 through bearings. A second mounting plate 507 is fixedly provided on one side of the two first rings 501, and a second gear 508 is connected between the two second mounting plates 507 through bearings. The second gear 508 meshes with the first annular external gear 502. A second connecting block 511 is fixedly provided inside the first annular external gear 502, and an electric push rod 512 is fixedly provided on one side of the second connecting block 511. The output end of the electric push rod 512 is fixedly connected to a connecting shell 513, and the inside of the connecting shell 513 is connected to a connecting rod 514 through a bearing. 4. Two worm housings 515 are fixedly provided on the outer fixed sleeve, two hanging plates 517 are fixedly provided on one side of the connecting shell 513, a fixed shaft 518 is connected to the inside of the hanging plate 517 through a bearing, a worm wheel 516 is fixedly provided on the outer fixed sleeve of the fixed shaft 518, the worm wheel 516 is meshed with the worm housing 515, a long plate 520 is fixedly provided on the outer fixed sleeve of the fixed shaft 518, a mounting frame 519 is fixedly provided on one side of the long plate 520, a grinding roller 521 is connected to the inside of the mounting frame 519 through a bearing, a fourth motor 522 is fixedly provided on one side of the mounting frame 519, the output end of the fourth motor 522 is fixedly connected to the grinding roller 521, the first motor 105 is started, the first motor 105 drives the screw rod 104 to rotate, and the slider 10 drives the slider 10 06 moves, the slider 106 drives the top plate 5 to move, and drives the welding assembly and the cleaning assembly to move through the top plate 5. After the second gear 508 of the cleaning assembly is meshed with the movable gear 402, the electric push rod 512 is started, and the electric push rod 512 drives the connecting shell 513 to move, and the connecting shell 513 drives the grinding roller 521 to move and make the grinding roller 521 contact with the welding part of the pipeline body 2. The cleaning assembly rotates one circle and grinds the welding part of the pipeline body 2 through the grinding roller 521 so that the welding part is polished with a metallic luster, and the connecting rod 514 is rotated, and the connecting rod 514 drives the worm housing 515 to rotate, and the worm housing 515 drives the worm wheel 516 to rotate, and the worm wheel 516 drives the long plate 520 to rotate, and the long plate 520 drives the mounting frame 519 to rotate.The mounting frame 519 drives the grinding roller 521 to rotate, thereby adjusting the grinding angle of the grinding roller 521;

[0042] Among them, in order to achieve the purpose of welding, the present device is implemented by the following technical solutions: the welding assembly includes a first connecting block 510, two second rings 504 are fixedly provided on one side of the first connecting block 510, the second ring-shaped external gears 503 are connected to the inside of the two second rings 504 through bearings, a welding head 509 is fixedly provided inside the second ring-shaped external gears 503, a first mounting plate 505 is fixedly provided on one side of the two second rings 504, a first gear 506 is connected between the two first mounting plates 505 through a bearing, the first gear 506 is meshed with the second ring-shaped external gear 503, the first gear 506 of the welding assembly is controlled to mesh with the movable gear 402, the first gear 506 drives the second ring-shaped external gear 503 to rotate, the second ring-shaped external gear 503 drives the welding head 509 to rotate, and the welding head 509 rotates a full circle to weld the welding position of the pipe body 2;

[0043] Among them, in order to achieve the purpose of rotation, the present device adopts the following technical solutions: two side plates 403 are fixedly provided on the top of the support frame 1, and a third motor 4 is fixedly provided on one side of one of the side plates 403, and a connecting shaft 404 is connected between the two side plates 403 through a bearing, and a movable gear 402 is fixedly sleeved on the outside of the connecting shaft 404, and two fixed gears 401 are sleeved on the outside of the connecting shaft 404, and the two fixed gears 401 are fixedly connected to the two side plates 403 respectively, and the output end of the third motor 4 is fixedly connected to the connecting shaft 404, which is meshed with the first gear 506 and the second gear 508 through the fixed gear 401 and the movable gear 402, and the third motor 4 is started, and the third motor 4 drives the connecting shaft 404 to rotate, and the connecting shaft 404 drives the movable gear 402 to rotate, and the movable gear 402 drives the first gear 506 and the second gear 508 meshed with it to rotate;

[0044] Among them, in order to achieve the purpose of support, the present device is implemented by adopting the following technical solution: the four corners of the bottom of the support frame 1 are fixedly connected with support legs 101, and the support legs 101 have the function of supporting the support frame 1;

[0045] In order to achieve the purpose of welding slag collection, the present device is implemented by the following technical solution: a welding slag collecting vehicle 7 is provided at the bottom of the support frame 1, and the welding slag collecting vehicle 7 is used to collect the waste generated by grinding and the waste slag of welding.

[0046] The use process of the present invention is as follows: when using the present invention, the two pipeline bodies 2 are placed on the top of the two placement racks 305 respectively, the cylinder 307 is started, and the gas is transported into the cylinder push rod 308 through the first connecting hose 306. The output end of the cylinder push rod 308 pushes the clamping plate 304 to move, so that the clamping plate 304 clamps the pipeline body 2 and fixes it. At the same time, the movement of the pipeline body 2 can be controlled by the cooperation of the slide plate 301 and the slide rack 302, so that the two pipeline bodies 2 are covered outside the sleeve 605, and the valve at the connection between the second connecting hose 6 and the first connecting hose 306 is controlled. The gas is transported into the second connecting hose 6 through the cylinder 307, and is transported to the inside of the sleeve 605 through the second connecting hose 6, thereby pushing the two push rods 604 to move to both sides, so that the push rods 60 4 drives the pressure sensor 603 to move and contact the inner wall of the pipeline body 2 through the pressure sensor 603, detects the pressure at the two pressure sensors 603, calculates the pressure data through the computer, and then starts the second motor 309, the second motor 309 controls the threaded rod 313 to rotate, the threaded rod 313 drives the sliding block 312 to move, the sliding block 312 drives the connecting plate 311 to move, the connecting plate 311 pushes the connecting seat 310 to move, so that the connecting seat 310 pushes the placement rack 305 to move, and the pipeline body 2 is controlled to move up and down through the placement rack 305. At this time, the pressure data will begin to change. When the data at both ends are consistent, it means that the two pipeline bodies 2 are on the same axis, and then the pipeline body 2 is moved away, and the limit rod 607 is withdrawn Then pull the T-plate 602, the T-plate 602 drives the sleeve 605 to move away, and when the slot 608 moves into the square sleeve shell 606, the limiting rod 607 is inserted and the slot 608 is limited, and then the rotating convex plate 609 is pulled, the rotating convex plate 609 drives the long rod 610 to move, and the long rod 610 moves out of the limiting groove 612, and then the rotating convex plate 609 is rotated, the rotating convex plate 609 drives the square rod 611 to rotate, the square rod 611 drives the transmission rod 601 to rotate, the transmission rod 601 drives the positioning assembly to rotate 180 degrees, and limits it, so that the positioning assembly moves out of the support frame 1, and the first motor 105 is started, the first motor 105 drives the screw rod 104 to rotate, 10 drives the slider 106 to move, and the slider 106 drives the top plate 5 to move The second gear 508 drives the welding assembly and the cleaning assembly to move through the top plate 5. After the second gear 508 of the cleaning assembly is meshed with the movable gear 402, the electric push rod 512 is started. The electric push rod 512 pushes the connecting shell 513 to move. The connecting shell 513 drives the grinding roller 521 to move and makes the grinding roller 521 contact with the welding part of the pipeline body 2. The welding head pressure sensor, the second gear 508 drives the first annular outer gear 502 to rotate, and the first annular outer gear 502 drives the second connecting block 511 to rotate. The fourth motor 522 is started. The fourth motor 522 drives the grinding roller 521 to rotate. The cleaning assembly rotates one circle and grinds the welding part of the pipeline body 2 through the grinding roller 521 to make the welding part polished with a metallic luster. The connecting rod 514 is rotated.The connecting rod 514 drives the worm housing 515 to rotate, the worm housing 515 drives the worm wheel 516 to rotate, the worm wheel 516 drives the long plate 520 to rotate, the long plate 520 drives the mounting frame 519 to rotate, the mounting frame 519 drives the grinding roller 521 to rotate, so as to adjust the grinding angle of the grinding roller 521, and the grinding roller 521 rotates a full circle and grinds the process of the welding part of the pipeline body 2, so that a groove appears at the welding part, which is convenient for welding work. After the preliminary work is completed, the first gear 506 of the welding assembly is controlled to mesh with the movable gear 402, and the movable gear 402 rotates and drives the first gear 506 to rotate, the first gear 506 drives the second annular outer gear 503 to rotate, and the second annular outer gear 503 drives the welding head 509 to rotate, and the welding head 509 rotates a full circle and welds the welding position of the pipeline body 2.

[0047] The above is only a preferred embodiment of the present invention. Any person skilled in the art may modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A pressure pipe automatic welding device, characterized in that: include: A support frame (1) is used for supporting welding work and has a square frame structure as a whole. Two pipe bodies (2) to be welded are arranged inside the support frame (1). A welding assembly and a cleaning assembly are arranged inside the support frame (1). The welding assembly is used for welding the two pipe bodies (2), and the cleaning assembly is used for cleaning the welding position. A supporting sliding assembly, used for supporting and moving a pipe body (2) to be welded; A positioning component is arranged between the two pipe bodies (2); the position of the positioning component can be rotated and moved, and is used to position the center points of the two pipe bodies (2) to keep the welding positions consistent.

2. The automatic welding device for pressure pipes according to claim 1 is characterized in that: The support sliding assembly comprises a fixed plate (3), wherein the fixed plate (3) is fixedly arranged at the bottom of the support frame (1), a slide plate (301) is fixedly arranged on one side of the fixed plate (3), a slide frame (302) is sleeved on the outside of the slide plate (301), the slide plate (301) is slidably connected to the slide frame (302), a support plate (303) is fixedly arranged on the top of the slide frame (302), a second motor (309) is fixedly arranged on one side of the support plate (303), a slide groove (314) is opened on the top of the support plate (303), two sliding blocks (312) are arranged inside the slide groove (314), and the inside of the slide groove (314) is connected by a shaft The bearing is connected with a threaded rod (313), the output end of the second motor (309) is fixedly connected to the threaded rod (313), the threaded rod (313) passes through the two sliding blocks (312) and is connected to the sliding blocks (312) by threads, the threads on the two sides of the threaded rod (313) are rotated in opposite directions, one side of the two sliding blocks (312) is movably connected with a connecting plate (311) by a rotating shaft, one side of the two connecting plates (311) is movably connected with a connecting seat (310) by a rotating shaft, and a placement frame (305) is fixedly provided on the top of the two connecting seats (310), and fixing components are provided on both sides of the placement frame (305).

3. The automatic welding device for pressure pipes according to claim 2 is characterized in that: The fixing assembly comprises two cylinder push rods (308), the output ends of the two cylinder push rods (308) are fixedly connected to a clamping plate (304), one side of the two cylinder push rods (308) is fixedly connected to a first connecting hose (306), and one end of the first connecting hose (306) is connected to a cylinder (307).

4. The automatic welding device for pressure pipes according to claim 3 is characterized in that: The positioning assembly comprises a second connecting hose (6), the second connecting hose (6) is fixedly connected to the first connecting hose (306), both ends of the second connecting hose (6) are fixedly connected with sleeves (605), a T-shaped plate (602) is fixedly connected between the two sleeves (605), the T-shaped plate (602) is externally sleeved with a square casing (606), top rods (604) are provided on both the top and bottom sides of the sleeve (605), one end of the two push rods (604) are installed with pressure sensors (603), a slot (608) is provided on one side of the T-shaped plate (602), a limiting plug rod (607) is provided on one side of the square casing (606), and the The limiting plug rod (607) passes through the T-shaped plate (602) and the square casing (606); transmission rods (601) are fixedly provided on both sides of the square casing (606); the transmission rods (601) are connected to the support frame (1) via bearings; a square rod (611) is provided on one side of one of the transmission rods (601); the square rod (611) extends into the interior of the transmission rod (601); a rotating convex plate (609) is fixedly provided on one side of the square rod (611); two long rods (610) are fixedly connected to one side of the rotating convex plate (609); two limiting grooves (612) are provided on the side wall of the support frame (1); the long rods (610) extend into the interior of the limiting grooves (612).

5. The automatic welding device for pressure pipes according to claim 1 is characterized in that: A top frame (102) is fixedly provided on the top of the support frame (1), and the top frame (102) is fixedly provided at the bottom of the cylinder (307). A screw rod (104) is connected to the inside of the top frame (102) via a bearing, and a slider (106) is provided on the outside of the screw rod (104) via a threaded sleeve. A first motor (105) is fixedly provided on one side of the top frame (102), and an output end of the first motor (105) is fixedly connected to the screw rod (104). A limiting rod (103) is fixedly provided on the inside of the top frame (102), and the limiting rod (103) passes through the slider (106) and is slidably connected to the slider (106). A top plate (5) is fixedly provided at the bottom of the slider (106).

6. The automatic welding device for pressure pipes according to claim 5 is characterized in that: The cleaning assembly comprises a second connecting block (511), the second connecting block (511) is fixedly arranged at the bottom of the top plate (5), two first sleeve rings (501) are fixedly arranged on one side of the second connecting block (511), the first annular external gear (502) is connected to the inside of the two first sleeve rings (501) via bearings, a second mounting plate (507) is fixedly arranged on one side of the two first sleeve rings (501), a second gear (508) is connected between the two second mounting plates (507) via bearings, the second gear (508) is meshed with the first annular external gear (502), a second connecting block (511) is fixedly arranged inside the first annular external gear (502), an electric push rod (512) is fixedly arranged on one side of the second connecting block (511), an output end of the electric push rod (512) is fixedly connected to a connecting shell (513), and the The connection shell (513) is internally connected to a connection rod (514) via a bearing, and the connection rod (514) is externally fixedly sleeved with two worm housings (515), and one side of the connection shell (513) is fixedly provided with two hanging plates (517), and the hanging plates (517) are internally connected to a fixed shaft (518) via a bearing, and the fixed shaft (518) is externally fixedly sleeved with a worm gear (516), and the worm gear (516) is meshed with the worm housing (515), and the fixed shaft (518) is externally fixedly sleeved with a long plate (520), and one side of the long plate (520) is fixedly provided with a mounting frame (519), and the mounting frame (519) is internally connected to a grinding roller (521) via a bearing, and one side of the mounting frame (519) is fixedly provided with a fourth motor (522), and the output end of the fourth motor (522) is fixedly connected to the grinding roller (521).

7. The automatic welding device for pressure pipes according to claim 6 is characterized in that: The welding assembly comprises a first connecting block (510), two second rings (504) are fixedly provided on one side of the first connecting block (510), the interiors of the two second rings (504) are connected with second annular external gears (503) via bearings, a welding head (509) is fixedly provided inside the second annular external gear (503), a first mounting plate (505) is fixedly provided on one side of the two second rings (504), a first gear (506) is connected between the two first mounting plates (505) via bearings, and the first gear (506) is meshed with the second annular external gear (503).

8. The automatic welding device for pressure pipes according to claim 1 is characterized in that: Two side plates (403) are fixedly provided on the top of the support frame (1), a third motor (4) is fixedly provided on one side of one of the side plates (403), a connecting shaft (404) is connected between the two side plates (403) via a bearing, a movable gear (402) is fixedly sleeved on the outside of the connecting shaft (404), two fixed gears (401) are sleeved on the outside of the connecting shaft (404), the two fixed gears (401) are fixedly connected to the two side plates (403) respectively, an output end of the third motor (4) is fixedly connected to the connecting shaft (404), and the third motor (4) is meshed with the first gear (506) and the second gear (508) via the fixed gear (401) and the movable gear (402).

9. The automatic welding device for pressure pipes according to claim 1 is characterized in that: The four corners of the bottom of the support frame (1) are all fixedly connected with support legs (101).

10. The automatic welding device for pressure pipes according to claim 1, characterized in that: A welding slag collecting vehicle (7) is provided at the bottom of the support frame (1).

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