Linear welding device for semicircular pipe

Abstract

The utility model discloses a semicircular pipe linear type welding device which comprises a welding chamber, an electric control cabinet and a pneumatic control cabinet. The welding device further comprises a servo lifting mechanism and a welding mechanism, the welding mechanism is connected into the welding chamber through the servo lifting mechanism, two lifting plates which are distributed in parallel are connected to the servo lifting mechanism, the welding mechanism comprises a preheating assembly, a welding assembly and a heat preservation assembly, and each lifting plate is provided with the preheating assembly and the welding assembly. The heat preservation assembly is arranged on the lifting plate on one side, and the preheating assembly, the welding assembly and the heat preservation assembly are sequentially distributed in the moving direction of the semicircular pipe. According to the semi-circular pipe welding device, preheating, welding and heat preservation treatment can be conducted on semi-circular pipes in sequence, the welding quality of the semi-circular pipes is improved, the distance and the height position can be adjusted according to the semi-circular pipes of different sizes, the practicability and reliability of the welding device are greatly improved, and use is flexible and convenient.

Description

Technical Field

[0001] The utility model relates to a semicircular pipe linear welding device. Background Art

[0002] In the prior art, during the welding process of the semi-circular tube, the welding ring and the semi-circular tube are not preheated or heat-insulated, resulting in low welding quality of the semi-circular tube. Utility Model Content

[0003] The purpose of the utility model is to provide a technical solution for a semicircular tube linear welding device to address the deficiencies in the existing technology. The utility model can not only preheat, weld and insulate the semicircular tubes in sequence, thereby improving the welding quality of the semicircular tubes, but also adjust the spacing and height positions according to semicircular tubes of different sizes, thereby greatly improving the practicality and reliability of the welding device and making it flexible and convenient to use.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] Semi-circular tube linear welding device, including

[0006] Welding room, with a control panel on the outside of the welding room;

[0007] Electric control cabinet, which is electrically connected to the control panel;

[0008] And the gas control cabinet, the gas control cabinet is electrically connected to the control panel and the electric control cabinet;

[0009] Its characteristics are:

[0010] It also includes a servo lifting mechanism and a welding mechanism. The welding mechanism is connected to the welding chamber through the servo lifting mechanism. Two lifting plates distributed parallel to each other are connected to the servo lifting mechanism. The welding mechanism includes a preheating component, a welding component and an insulation component. Each lifting plate is provided with a preheating component and a welding component. The insulation component is arranged on the lifting plate on one side, and the preheating component, the welding component and the insulation component are distributed in sequence along the moving direction of the semicircular tube. Through the design of the above structure, not only can the semicircular tube be preheated, welded and insulated in sequence to improve the welding quality of the semicircular tube, but also the spacing and height position can be adjusted according to semicircular tubes of different sizes, which greatly improves the practicality and reliability of the welding device and is flexible and convenient to use.

[0011] Furthermore, the servo lifting mechanism includes a servo motor, a transmission box and a lifting screw. The output shaft of the servo motor is connected to a driving wheel. A transmission rod is provided between two adjacent transmission boxes. A driven wheel is provided on the transmission rod. The driving wheel is connected to the driven wheel through a transmission belt. Each transmission box is connected to a lifting screw, and the lifting screw and the transmission rod are connected by a bevel gear set; the driving wheel is driven to rotate by the servo motor, and then the driven wheel can be driven to rotate through the transmission belt, so that the two transmission rods keep rotating synchronously, thereby realizing the synchronous rotation of each lifting screw, ensuring that the two lifting plates rise or fall synchronously, and adjusting the height position of the welding mechanism so that the welding point of the semicircular tube is heated evenly, thereby improving the welding effect.

[0012] Furthermore, the preheating component, welding component and insulation component all include moving parts, lifting parts and rotating parts. The moving parts are arranged on the lifting plate, and the rotating parts are connected to the moving parts through the lifting parts. The moving parts can drive the lifting parts and the rotating parts to approach or move away from the semicircular tube. The lifting parts can adjust the height position of the rotating parts, and the rotating parts can adjust the angle of the air outlet.

[0013] Furthermore, the moving component includes a base plate, a first guide rail, a first hand wheel and a horizontal moving plate. The two first guide rails are distributed in parallel on the top surface of the base plate. A protrusion is provided on the base plate. The first hand wheel is connected to the protrusion through a first screw. The horizontal moving plate is connected to the first guide rail through a first slider. A first booster block is provided at the bottom of the horizontal moving plate, and the first booster block is connected to the first screw. By rotating the first hand wheel, the first screw can be driven to rotate, and then the horizontal moving plate can be driven to move by the first booster block to adjust the horizontal position of the lifting component and the rotating component. The first slider and the first guide rail improve the stability and reliability of the horizontal moving plate during movement, and the protrusion improves the stability of the installation of the first hand wheel and the first screw.

[0014] Furthermore, the lifting component includes a vertical frame, a side plate, a second hand wheel, a second screw, a horizontal frame and a second guide rail. The vertical frame is fixed on the top surface of the horizontal movable plate, the side plate is arranged on one side of the vertical frame, and two second guide rails are distributed in parallel on the side plate. The second hand wheel is connected to the vertical frame and the horizontal movable plate through the second screw, the horizontal frame is connected to the second guide rail through the second slider, and the horizontal frame is connected to the second screw through the second booster block; the vertical frame improves the stability and reliability of the installation of the second hand wheel and the second screw, and the second screw is driven to rotate by the second hand wheel, and then the horizontal frame can be driven up and down by the second booster block to adjust the height position of the rotating component. The second guide rail improves the stability and reliability of the horizontal frame when it moves up and down.

[0015] Furthermore, the rotating parts include a third handwheel, a cantilever, a swing arm, a support frame, a turbine and a worm. The two cantilevers are distributed in parallel on one side of the horizontal frame, and the two swing arms are arranged in parallel on the same side of the support frame. The swing arm is rotatably connected to the cantilever through a first rotating shaft. A turbine is provided on the first rotating shaft. The third handwheel is connected to the horizontal frame through a second rotating shaft. The other end of the second rotating shaft passes through the horizontal frame and is connected to a worm, which is connected to the turbine. The cantilever improves the stability and reliability of the swing arm during rotation. The second rotating shaft is driven to rotate by the third handwheel, and the turbine can be driven to rotate by the worm, thereby synchronously realizing the rotation of the swing arm and adjusting the angular position of the exhaust pipe.

[0016] Furthermore, the preheating assembly and welding assembly also include an air distribution plate, an air guide pipe and an air outlet pipe. The air distribution plate is arranged on the support frame, the air outlet pipes are evenly distributed on one side of the air distribution plate, the air guide pipe is arranged on the top of the air distribution plate, and the air guide pipe is connected to the air outlet pipe through the air distribution plate; the air guide pipe is used to transport natural gas and air to each air outlet pipe through the air distribution plate, ensuring the stability of the air outlet of each air outlet pipe and improving the preheating, welding and insulation effects.

[0017] Furthermore, the insulation component also includes a protective sleeve and a cooling water pipe. The protective sleeve is arranged on the outlet end of each outlet pipe, and a cooling water pipe is provided on the side of the protective sleeve; the cooling water pipe can continuously supply cooling water to the protective sleeve to prevent the oppositely sprayed flames from burning the outlet pipe and extend the service life of the welding device.

[0018] Furthermore, a feed guide bar is provided on one end of the two lifting plates close to the preheating component, and a discharge guide bar is provided on one end of the two lifting plates close to the insulation component. Both the feed guide bar and the discharge guide bar are L-shaped, ensuring horizontal and linear transportation of the semicircular tube and improving welding quality.

[0019] Furthermore, a fume hood is provided on the top of the welding chamber to centrally exhaust the gases generated during the welding process.

[0020] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0021] 1. The utility model can not only preheat, weld and heat-insulate the semicircular tubes in sequence, thereby improving the welding quality of the semicircular tubes, but also can adjust the spacing and height positions according to semicircular tubes of different sizes, thereby greatly improving the practicality and reliability of the welding device and making it flexible and convenient to use.

[0022] 2. The servo motor drives the active wheel to rotate, and then the driven wheel can be driven to rotate through the transmission belt, so that the two transmission rods keep rotating synchronously, and then the synchronous rotation of each lifting screw is achieved, ensuring that the two lifting plates rise or fall synchronously, and adjusting the height position of the welding mechanism, so that the welding point of the semicircular tube is heated evenly, thereby improving the welding effect.

[0023] 3. The cantilever improves the stability and reliability of the swing arm during rotation. The third hand wheel drives the second shaft to rotate, and then the worm drives the turbine to rotate, thereby synchronously realizing the rotation of the swing arm and adjusting the angle position of the exhaust pipe.

[0024] 4. The cooling water pipe can continuously deliver cooling water to the protective sleeve to prevent the opposite jet flame from burning the exhaust pipe and extend the service life of the welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] Figure 1 This is a schematic structural diagram of the semicircular tube linear welding device of the utility model;

[0027] Figure 2 This is a schematic diagram of the internal structure of the welding chamber in the present invention;

[0028] Figure 3 This is a schematic diagram of the connection between the welding mechanism and the servo lifting mechanism in the present invention;

[0029] Figure 4 This is a schematic structural diagram of the thermal insulation component of the present invention;

[0030] Figure 5 It is a structural schematic diagram of the preheating component and the welding component in the utility model.

[0031] In the figure: 1-welding room; 2-exhaust hood; 3-control panel; 4-electrical control cabinet; 5-gas control cabinet; 6-servo lifting mechanism; 7-welding mechanism; 8-servo motor; 9-drive rod; 10-drive box; 11-lifting screw; 12-lifting plate; 13-discharging guide bar; 14-feeding guide bar; 15-insulation assembly; 16-welding assembly; 17-bottom plate; 18-first guide rail; 19-horizontal moving plate; 20-first slider; 2 1-first handwheel; 22-first screw; 23-vertical frame; 24-side panel; 25-second guide rail; 26-second handwheel; 27-horizontal frame; 28-cantilever; 29-first rotating shaft; 30-turbine; 31-third handwheel; 32-second rotating shaft; 33-worm; 34-swing arm; 35-support frame; 36-air distributor; 37-air guide pipe; 38-exhaust pipe; 39-protective cover; 40-cooling water pipe; 42-preheating assembly. DETAILED DESCRIPTION

[0032] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] In order to help those skilled in the art better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only 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 making creative efforts should fall within the scope of protection of the present invention.

[0034] It should be noted that the terms "first," "second," and so on in the specification and claims of this utility model and the aforementioned drawings are used to distinguish similar items and are not necessarily used to describe a specific order or precedence. In addition, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0035] like Figures 1 to 5 As shown, the semicircular tube linear welding device of the present invention includes a welding chamber 1, an electric control cabinet 4 and a gas control cabinet 5. A control panel 3 is provided on the outside of the welding chamber 1, and a fume hood 2 is provided on the top of the welding chamber 1 for centrally exhausting the gas generated during the welding process.

[0036] The electric control cabinet 4 is electrically connected to the control panel 3 .

[0037] The gas control cabinet 5 is electrically connected to the control panel 3 and the electric control cabinet 4 .

[0038] The welding device also includes a servo lifting mechanism 6 and a welding mechanism 7. The servo lifting mechanism 6 includes a servo motor 8, a transmission box 10 and a lifting screw 11. The output shaft of the servo motor 8 is connected to a driving wheel. A transmission rod 9 is provided between two adjacent transmission boxes 10. A driven wheel is provided on the transmission rod 9. The driving wheel is connected to the driven wheel through a transmission belt. Each transmission box 10 is connected to a lifting screw 11, and the lifting screw 11 is connected to the transmission rod 9 through a bevel gear set; the driving wheel is driven to rotate by the servo motor 8, and then the driven wheel can be driven to rotate by the transmission belt, so that the two transmission rods 9 keep rotating synchronously, and then the lifting screws 11 are rotated synchronously, ensuring that the two lifting plates 12 rise or fall synchronously, and adjusting the height position of the welding mechanism 7 so that the welding point of the semicircular tube is heated evenly, thereby improving the welding effect.

[0039] The welding mechanism 7 is connected to the welding chamber 1 through the servo lifting mechanism 6. Two lifting plates 12 distributed parallel to each other are connected to the servo lifting mechanism 6. The welding mechanism 7 includes a preheating component 42, a welding component 16 and an insulation component 15. Each lifting plate 12 is provided with a preheating component 42 and a welding component 16. The insulation component 15 is provided on the lifting plate 12 on one side, and the preheating component 42, the welding component 16 and the insulation component 15 are distributed in sequence along the moving direction of the semicircular tube.

[0040] The preheating assembly 42, the welding assembly 16 and the insulation assembly 15 all include a moving part, a lifting part and a rotating part. The moving part is arranged on the lifting plate 12, and the rotating part is connected to the moving part through the lifting part. The moving part can drive the lifting part and the rotating part to approach or move away from the semicircular tube. The lifting part can adjust the height position of the rotating part, and the rotating part can adjust the angle of the air outlet.

[0041] The moving parts include a base plate 17, a first guide rail 18, a first hand wheel 21 and a horizontal moving plate 19. The two first guide rails 18 are distributed in parallel on the top surface of the base plate 17. A protrusion is provided on the base plate 17. The first hand wheel 21 is connected to the protrusion through a first screw 22. The horizontal moving plate 19 is connected to the first guide rail 18 through a first slider 20. A first booster block is provided at the bottom of the horizontal moving plate 19, and the first booster block is connected to the first screw 22. By rotating the first hand wheel 21, the first screw 22 can be driven to rotate, and then the horizontal moving plate 19 can be driven to move through the first booster block to adjust the horizontal position of the lifting part and the rotating part. The first slider 20 and the first guide rail 18 improve the stability and reliability of the horizontal moving plate 19 during movement, and the protrusion improves the stability of the installation of the first hand wheel 21 and the first screw 22.

[0042] The lifting components include a vertical frame 23, a side plate 24, a second hand wheel 26, a second screw, a horizontal frame 27 and a second guide rail 25. The vertical frame 23 is fixed on the top surface of the horizontal movable plate 19, and the side plate 24 is arranged on one side of the vertical frame 23. Two second guide rails 25 are distributed in parallel on the side plate 24. The second hand wheel 26 is connected to the vertical frame 23 and the horizontal movable plate 19 through the second screw. The horizontal frame 27 is connected to the second guide rail 25 through the second slider. The horizontal frame 27 is connected to the second screw through the second booster block; the vertical frame 23 improves the stability and reliability of the installation of the second hand wheel 26 and the second screw. The second screw is driven to rotate by the second hand wheel 26, and then the horizontal frame 27 can be driven up and down by the second booster block to adjust the height position of the rotating component. The second guide rail 25 improves the stability and reliability of the horizontal frame 27 when it moves up and down.

[0043] The rotating parts include a third hand wheel 31, a cantilever 28, a swing arm 34, a support frame 35, a turbine 30 and a worm 33. The two cantilevers 28 are distributed in parallel on one side of the horizontal frame 27, and the two swing arms 34 are arranged in parallel on the same side of the support frame 35. The swing arm 34 is rotatably connected to the cantilever 28 through the first rotating shaft 29. The first rotating shaft 29 is provided with a turbine 30. The third hand wheel 31 is connected to the horizontal frame 27 through the second rotating shaft 32. The other end of the second rotating shaft 32 passes through the horizontal frame 27 and is connected to the worm 33. The worm 33 is connected to the turbine 30; the cantilever 28 improves the stability and reliability of the swing arm 34 during rotation. The second rotating shaft 32 is driven to rotate by the third hand wheel 31, and then the turbine 30 can be driven to rotate by the worm 33, thereby synchronously realizing the rotation of the swing arm 34 and adjusting the angular position of the air outlet pipe 38.

[0044] The preheating assembly 42 and the welding assembly 16 also include an air distribution plate 36, an air guide pipe 37 and an air outlet pipe 38. The air distribution plate 36 is arranged on the support frame 35, and the air outlet pipes 38 are evenly distributed on one side of the air distribution plate 36. The air guide pipe 37 is arranged on the top of the air distribution plate 36, and the air guide pipe 37 is connected to the air outlet pipe 38 through the air distribution plate 36; the air guide pipe 37 is used to transport natural gas and air to each air outlet pipe 38 through the air distribution plate 36, ensuring that the air outlet of each air outlet pipe 38 is stable, thereby improving the preheating, welding and insulation effects.

[0045] The insulation component 15 also includes a protective sleeve 39 and a cooling water pipe 40. The protective sleeve 39 is mounted on the outlet end of each outlet pipe 38, and a cooling water pipe 40 is provided on the side of the protective sleeve 39; the cooling water pipe 40 can continuously supply cooling water to the protective sleeve 39 to prevent the oppositely sprayed flames from burning the outlet pipe 38, thereby extending the service life of the welding device.

[0046] Through the design of the above structure, not only can the semicircular tubes be preheated, welded and insulated in sequence to improve the welding quality of the semicircular tubes, but the spacing and height positions can also be adjusted according to semicircular tubes of different sizes, greatly improving the practicality and reliability of the welding device, and making it flexible and convenient to use.

[0047] A feed guide bar 14 is provided on one end of the two lifting plates 12 close to the preheating component 42, and a discharge guide bar 13 is provided on one end of the two lifting plates 12 close to the insulation component 15. Both the feed guide bar 14 and the discharge guide bar 13 are L-shaped, ensuring horizontal and linear transportation of the semicircular tubes and improving welding quality.

[0048] When the present invention is actually used, the semicircular tube with the welding ring is first transported into the welding chamber 1 along a straight line, and the semicircular tube and the welding ring are preheated, welded and insulated by the preheating component 42, the welding component 16 and the insulation component 15, so as to realize continuous welding of the semicircular tube and improve the welding quality of the semicircular tube.

[0049] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements, or modifications based on the present invention to achieve substantially the same technical effects are included within the scope of protection of the present invention.

Claims

1. Semi-circular tube linear welding device, including A welding room, wherein a control panel is provided on the outside of the welding room; an electric control cabinet electrically connected to the control panel; and a gas control cabinet electrically connected to the control panel and the electric control cabinet; Its characteristics are: It also includes a servo lifting mechanism and a welding mechanism. The welding mechanism is connected to the welding chamber through the servo lifting mechanism. Two lifting plates distributed parallel to each other are connected to the servo lifting mechanism. The welding mechanism includes a preheating component, a welding component and a thermal insulation component. Each lifting plate is provided with the preheating component and the welding component. The thermal insulation component is provided on the lifting plate on one side, and the preheating component, the welding component and the thermal insulation component are distributed in sequence along the moving direction of the semicircular tube.

2. The semicircular tube linear welding device according to claim 1, characterized in that: The servo lifting mechanism includes a servo motor, a transmission box and a lifting screw. The output shaft of the servo motor is connected to a driving wheel. A transmission rod is provided between two adjacent transmission boxes. A driven wheel is provided on the transmission rod. The driving wheel is connected to the driven wheel through a transmission belt. Each transmission box is connected to the lifting screw, and the lifting screw and the transmission rod are connected through a bevel gear set.

3. The semicircular tube linear welding device according to claim 1, characterized in that: The preheating assembly, the welding assembly and the heat preservation assembly all include a moving part, a lifting part and a rotating part. The moving part is arranged on the lifting plate, and the rotating part is connected to the moving part through the lifting part.

4. The semicircular tube linear welding device according to claim 3, characterized in that: The moving component includes a base plate, a first guide rail, a first hand wheel and a horizontal moving plate. The two first guide rails are distributed in parallel on the top surface of the base plate. A protrusion is provided on the base plate. The first hand wheel is connected to the protrusion through a first screw. The horizontal moving plate is connected to the first guide rail through a first slider. A first booster block is provided at the bottom of the horizontal moving plate, and the first booster block is connected to the first screw.

5. The semicircular tube linear welding device according to claim 4, characterized in that: The lifting component includes a vertical frame, a side plate, a second hand wheel, a second screw, a horizontal frame and a second guide rail. The vertical frame is fixed to the top surface of the horizontal movable plate. The side plate is provided on one side of the vertical frame. Two second guide rails are distributed in parallel on the side plate. The second hand wheel is connected to the vertical frame and the horizontal movable plate through the second screw. The horizontal frame is connected to the second guide rail through a second slider. The horizontal frame is connected to the second screw through a second booster block.

6. The semicircular tube linear welding device according to claim 5, characterized in that: The rotating component includes a third handwheel, a cantilever, a swing arm, a support frame, a turbine and a worm. The two cantilevers are distributed in parallel on one side of the horizontal frame, and the two swing arms are arranged in parallel on the same side of the support frame. The swing arm is rotatably connected to the cantilever through a first rotating shaft. The turbine is provided on the first rotating shaft. The third handwheel is connected to the horizontal frame through a second rotating shaft. The other end of the second rotating shaft passes through the horizontal frame and is connected to the worm, and the worm is connected to the turbine.

7. The semicircular tube linear welding device according to claim 6, characterized in that: The preheating assembly and the welding assembly also include an air distribution plate, an air guide pipe and an air outlet pipe. The air distribution plate is arranged on the support frame, the air outlet pipe is evenly distributed on one side of the air distribution plate, the air guide pipe is arranged on the top of the air distribution plate, and the air guide pipe is connected to the air outlet pipe through the air distribution plate.

8. The semicircular tube linear welding device according to claim 7, characterized in that: The heat preservation component further comprises a protective sleeve and a cooling water pipe. The protective sleeve is sleeved on the air outlet end of each of the air outlet pipes, and the cooling water pipe is provided on the side of the protective sleeve.

9. The semicircular tube linear welding device according to claim 1, characterized in that: A feed guide bar is provided on one end of the two lifting plates close to the preheating component, and a discharge guide bar is provided on one end of the two lifting plates close to the insulation component. Both the feed guide bar and the discharge guide bar are L-shaped.

10. The semicircular tube linear welding device according to claim 1, characterized in that: A fume exhaust hood is provided on the top of the welding chamber.

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