Seamless steel tube welding device for mechanical equipment machining

Abstract

The seamless steel pipe welding device for mechanical equipment machining comprises a machining table, two sliding openings are formed in the machining table, two sliding rods are fixedly connected to the inner wall of each sliding opening, and each pair of sliding rods are jointly sleeved with a moving block in sliding connection with the sliding rods; the top of each moving block is fixedly connected with a clamping plate, each clamping plate is provided with a clamping rotating mechanism, the opposite ends of the two moving blocks are fixedly connected with rack plates, and the bottom of the machining table is rotationally connected with a rotating gear. Steel pipes of different diameter specifications can be fixed through the clamping and rotating mechanism, and the steel pipes are welded comprehensively through rotation of the steel pipes; through cooperation of the dust collection mechanism and the treatment mechanism, welding fume dust can be collected, and the health of workers is guaranteed; and heat dissipation and cooling can be conducted on the welding position through convection formed by air, rapid cooling is achieved, and the machining efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of steel pipe processing, and in particular to a seamless steel pipe welding device used for mechanical equipment processing. Background Art

[0002] When welding two sections of steel pipes together to form a seamless steel pipe, a welding device is required.

[0003] In the process of welding steel pipes, a large amount of welding smoke and dust will be generated. At this time, the welding smoke and dust will directly drift into the air of the factory, and will eventually be inhaled by the workers in the factory, affecting the health of the workers; after welding is completed, the weld needs to be cooled down due to overheating, which increases the process and reduces the processing efficiency; therefore, we designed a seamless steel pipe welding device for mechanical equipment processing to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art, and a seamless steel pipe welding device for mechanical equipment processing is proposed, which can fix steel pipes of different diameters through a clamping and rotating mechanism, and make the steel pipes fully welded by rotating them; through the cooperation of a dust suction mechanism and a processing mechanism, welding smoke and dust can be collected to ensure the health of the workers; through the convection formed by air, the welding point can be dissipated and cooled, achieving rapid cooling and improving the processing efficiency.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A seamless steel pipe welding device for machining mechanical equipment comprises a machining table, wherein the machining table is provided with two sliding openings, the inner wall of each sliding opening is fixedly connected to two sliding rods, each pair of the sliding rods is jointly sleeved with a moving block slidably connected thereto, the tops of the two moving blocks are fixedly connected to a clamping plate, each of the clamping plates is provided with a clamping and rotating mechanism, the clamping and rotating mechanism comprises a through opening penetrating the clamping plate, the inner wall of the through opening is fixedly connected to two pairs of mounting frames, each pair of the mounting frames is jointly rotatably connected to a rotating roller, a first hydraulic rod fixedly connected thereto is penetrated on the clamping plate, the bottom of the first hydraulic rod is fixedly connected to a U-shaped frame, the U-shaped frame is rotatably connected to an active roller, the side wall of the U-shaped frame is fixedly connected to a rotating motor, and the rotating The output shaft of the rotating motor passes through the U-shaped frame and is rotatably connected thereto. The end of the output shaft of the rotating motor is coaxially fixedly connected to the active roller. The opposite ends of the two moving blocks are fixedly connected with rack plates. The bottom of the processing table is rotatably connected with a rotating gear. Each of the rack plates is meshed with the rotating gear. The top of the processing table is fixedly connected with a U-shaped plate. The inner top of the U-shaped plate is fixedly connected with a guide rail. Two track rods are fixedly connected to the guide rail. The two track rods are jointly sleeved with an electric slider slidably connected thereto. The bottom of the electric slider is fixedly connected with a second hydraulic rod. The bottom of the second hydraulic rod is fixedly connected with a welding gun. A dust suction mechanism is provided on the U-shaped plate. The top of the U-shaped plate is fixedly connected with a collecting box, and a processing mechanism is provided in the collecting box.

[0006] Preferably, the dust suction mechanism includes two hollow plates fixedly connected to the inner wall of the U-shaped plate, and the opposite ends of the two hollow plates are fixedly connected to a plurality of fixed heads, the hollow plate on the right is fixedly connected to an exhaust pipe connected thereto, the exhaust pipe passes through the U-shaped plate and is fixedly connected thereto, the exhaust pipe is fixedly connected to a negative pressure fan, and the negative pressure fan is fixedly installed on the top of the U-shaped plate, the negative pressure fan is fixedly connected to a connecting pipe, the connecting pipe is fixedly connected to and connected to a collecting box, the side wall of the collecting box is fixedly connected to an air intake pipe connected thereto, the air intake pipe passes through the U-shaped plate and is fixedly connected thereto, and the air intake pipe is fixedly connected to and connected to the left hollow plate.

[0007] Preferably, the processing mechanism includes a filter screen arranged in the collection box and fixedly connected to the inner wall thereof, a reciprocating screw rod is penetrated by the collection box and rotatably connected to the collection box, a handle is fixedly connected to the top of the reciprocating screw rod, a lifting plate is sleeved on the outer wall of the reciprocating screw rod, a fixing rod is fixedly connected to the inner wall of the collection box, and the fixing rod penetrates the lifting plate and is slidably connected to the lifting plate.

[0008] Preferably, the plurality of fixing heads are distributed at equal intervals, and the plurality of fixing heads are all connected to the hollow plate.

[0009] Preferably, the outer wall of the handle is provided with a protective cover, and the material of the protective cover is rubber.

[0010] Preferably, a plurality of soft-bristle brushes are provided at one end of the lifting plate close to the filter screen, and the soft-bristle brushes are arranged against the outer wall of the filter screen.

[0011] Preferably, the opposite ends of the two rack plates are each provided with a plurality of rack teeth that cooperate with the rotating gear.

[0012] Preferably, four supporting legs are fixedly connected to the bottom of the processing table, and the positions of the four supporting legs are distributed in a rectangular shape.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Start the first hydraulic rod to drive the U-shaped frame and the active roller to move downward until the two rotating rollers cooperate with the active roller to abut against the outer wall of the steel pipe, thereby clamping and fixing the steel pipe, and can fix steel pipes of different diameters.

[0014] 2. Start the electric telescopic rod to drive the right moving block to slide on the sliding rod. Through the coordination of the rack plate on the right, the rotating gear and the rack plate on the left, the two moving blocks move relative to each other, driving the clamping plate and the clamped steel pipe to move relative to each other until the opposite ends of the two steel pipes are pressed tightly, ensuring the normal subsequent welding. The active roller and the steel pipe are driven to rotate by the rotating motor. The steel pipe can be rotated to weld one circle of the connection to achieve seamless welding and comprehensive welding.

[0015] 3. Starting the negative pressure fan can extract the air in the collection box to form negative pressure. The dust generated by welding is injected into the hollow plate, air inlet pipe, and collection box through multiple fixed heads. The dust in the air is intercepted and filtered through the filter net to ensure the health of the staff.

[0016] 4. The treated air is injected into the hollow plate through the connecting pipe and the exhaust pipe, and finally discharged through multiple fixed heads. It is sucked in through multiple fixed heads on one side and discharged through multiple fixed heads on the other side, realizing air convection. The air flow can cool the welding point and achieve rapid cooling.

[0017] In summary, the present invention can fix steel pipes of different diameters through the clamping and rotating mechanism, and make the welding comprehensive through the rotation of the steel pipe; through the cooperation of the dust suction mechanism and the processing mechanism, the welding smoke and dust can be collected to ensure the health of the workers; the welding point can be cooled and dissipated by the convection formed by the air, so as to achieve rapid cooling and improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a seamless steel pipe welding device for mechanical equipment processing proposed by the present invention; Figure 2 This is a structural schematic diagram of a clamping and rotating mechanism in a seamless steel pipe welding device for mechanical equipment processing proposed by the present invention; Figure 3 This is a bottom view structural schematic diagram of a seamless steel pipe welding device for mechanical equipment processing proposed by the present invention; Figure 4 This is a partial structural schematic diagram of a seamless steel pipe welding device for mechanical equipment processing proposed by the present invention; Figure 5 This is a cross-sectional view of a processing mechanism in a seamless steel pipe welding device for mechanical equipment processing proposed by the present invention.

[0019] In the figure: 1 processing table, 2 sliding opening, 3 moving block, 4 sliding rod, 5 electric telescopic rod, 6 clamping plate, 7 through opening, 8 rotating roller, 9 mounting frame, 10 active roller, 11 U-shaped frame, 12 rotating motor, 13 first hydraulic rod, 14 U-shaped plate, 15 guide rail, 16 track rod, 17 electric slider, 18 second hydraulic rod, 19 welding gun, 20 hollow plate, 21 fixed head, 22 exhaust pipe, 23 negative pressure fan, 24 connecting pipe, 25 collecting box, 26 air inlet pipe, 27 filter screen, 28 reciprocating screw rod, 29 handle, 30 lifting plate, 31 fixed rod, 32 rack plate, 33 rotating gear. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-Figure 5 A seamless steel pipe welding device for mechanical equipment processing includes a processing table 1, which has two sliding openings 2. The inner wall of each sliding opening 2 is fixedly connected to two sliding rods 4. Each pair of sliding rods 4 is commonly sleeved with a moving block 3 slidably connected thereto. The tops of the two moving blocks 3 are fixedly connected to a clamping plate 6. Each clamping plate 6 is provided with a clamping and rotating mechanism. The clamping and rotating mechanism includes a through-opening 7 provided through the clamping plate 6. The inner wall of the through-opening 7 is fixedly connected to two pairs of mounting frames 9. Each pair of mounting frames 9 is rotatably connected to a rotating roller 8. A first hydraulic rod 13 fixedly connected to the clamping plate 6 is penetrated by a first hydraulic rod 13, a U-shaped frame 11 is fixedly connected to the bottom of the first hydraulic rod 13, a driving roller 10 is rotatably connected to the U-shaped frame 11, a rotating motor 12 is fixedly connected to the side wall of the U-shaped frame 11, an output shaft of the rotating motor 12 penetrates the U-shaped frame 11 and is rotatably connected to the U-shaped frame 11, a terminal end of the output shaft of the rotating motor 12 is coaxially fixedly connected to the driving roller 10, the cooperation of the driving roller 10 and the two rotating rollers 8 can clamp and fix the steel pipe, and can clamp and fix steel pipes of different diameters.

[0022] The opposite ends of the two moving blocks 3 are fixedly connected with rack plates 32, and the bottom of the processing table 1 is rotatably connected with a rotating gear 33. Each rack plate 32 is meshed with the rotating gear 33. The opposite ends of the two rack plates 32 are provided with a plurality of rack teeth that match the rotating gear 33, so that the moving blocks 3, the clamping plates 6 and the clamped steel pipes on both sides can be moved relative to each other and pressed against each other for seamless welding. The bottom of the processing table 1 is fixedly connected with four supporting legs, and the positions of the four supporting legs are distributed in a rectangular shape.

[0023] A U-shaped plate 14 is fixedly connected to the top of the processing table 1, a guide rail 15 is fixedly connected to the inner top of the U-shaped plate 14, two track rods 16 are fixedly connected to the guide rail 15, the two track rods 16 are jointly sleeved with an electric slider 17 slidably connected thereto, a second hydraulic rod 18 is fixedly connected to the bottom of the electric slider 17, a welding gun 19 is fixedly connected to the bottom of the second hydraulic rod 18, and the welding gun 19 performs welding operations on the connection.

[0024] A dust collection mechanism is provided on the U-shaped plate 14, and the dust collection mechanism includes two hollow plates 20 fixedly connected to the inner wall of the U-shaped plate 14, and a plurality of fixed heads 21 are fixedly connected to the opposite ends of the two hollow plates 20, and the plurality of fixed heads 21 are distributed at equal intervals, and the plurality of fixed heads 21 are connected to the hollow plates 20, and the hollow plate 20 on the right is fixedly connected to an exhaust pipe 22 connected thereto, and the exhaust pipe 22 passes through the U-shaped plate 14 and is fixedly connected thereto, and the exhaust pipe 22 is fixedly connected to a negative pressure fan 23, and the negative pressure fan 23 is fixedly installed A negative pressure fan 23 is arranged on the top of the U-shaped plate 14 and is fixedly connected to a connecting pipe 24. The connecting pipe 24 is fixedly connected to and communicated with a collecting box 25. The side wall of the collecting box 25 is fixedly connected to an air intake pipe 26 which is communicated with the collecting box 25. The air intake pipe 26 penetrates the U-shaped plate 14 and is fixedly connected thereto. The air intake pipe 26 is fixedly connected to and communicated with the left hollow plate 20. Air is sucked in through one side and the treated air is discharged from the other side, thereby realizing convection, achieving a good dust treatment effect generated by welding, and quickly cooling the welding point.

[0025] A collecting box 25 is fixedly connected to the top of the U-shaped plate 14, and a processing mechanism is provided in the collecting box 25. The processing mechanism includes a filter screen 27 arranged in the collecting box 25 and fixedly connected to the inner wall thereof, which can filter and process the welding smoke and dust generated by welding. A reciprocating screw rod 28 rotatably connected to the collecting box 25 is penetrated by the collecting box 25, and a handle 29 is fixedly connected to the top of the reciprocating screw rod 28. The outer wall of the handle 29 is sleeved with a protective sleeve made of rubber. The outer wall of the reciprocating screw rod 28 is sleeved with a lifting plate 30. A plurality of soft-bristle brushes are provided at one end of the lifting plate 30 close to the filter screen 27. The soft-bristle brushes are arranged against the outer wall of the filter screen 27. A fixing rod 31 is fixedly connected to the inner wall of the collecting box 25. The fixing rod 31 penetrates the lifting plate 30 and is slidably connected to the lifting plate 30. The outer wall of the filter screen 27 is cleaned by the lifting and moving of the soft-bristle brush to avoid blockage.

[0026] In the present invention, when it is necessary to weld two sections of steel pipes together, the staff inserts the two steel pipes into the two through ports 7 respectively, starts the first hydraulic rod 13 to drive the U-frame 11 and the active roller 10 to move downward, until the two rotating rollers 8 cooperate with the active roller 10 to abut against the outer wall of the steel pipe, thereby clamping and fixing the steel pipe, and can fix steel pipes of different diameters; starts the electric telescopic rod 5 to drive the right moving block 3 to slide on the sliding rod 4, and drives the right rack plate 32 to move through the movement of the right moving block 3, so that the rotating gear 33 rotates and drives the left rack plate 32 and the moving block 3 to move, and drives the clamping plate 6 and the clamped steel pipe to move relative to each other through the relative movement of the two moving blocks 3, until the opposite ends of the two steel pipes are abutted, thereby ensuring the normal progress of subsequent welding; starts the electric slider 17, and adjusts the position of the second hydraulic rod 18 and the welding gun 19 through the electric slider 17 sliding on the two track rods 16, until the welding gun 19 moves to the connecting rod 4. Above the joint, the second hydraulic rod 18 is started to drive the welding gun 19 to move downward, so that the joint can be welded, and the rotating motor 12 is started to drive the active roller 10 and the steel pipe to rotate. The steel pipe can be rotated to weld a circle of the joint to achieve seamless welding and comprehensive welding. When welding, the negative pressure fan 23 is started to extract the air in the collection box 25 to form a negative pressure, and the dust generated by welding is injected into the hollow plate 20, the air inlet pipe 26, and the collection box 25 through multiple fixed heads 21. The dust in the air is intercepted and filtered by the filter 27. The treated air is injected into the hollow plate 20 through the connecting pipe 24 and the exhaust pipe 22, and finally discharged through the multiple fixed heads 21. The multiple fixed heads 21 on one side are sucked in and discharged from the multiple fixed heads 21 on the other side, thereby realizing air convection, having a good effect on absorbing and treating the dust generated by welding, and the air flow can cool the welding point to achieve rapid cooling.

[0027] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A seamless steel pipe welding device for mechanical equipment processing, comprising a processing table (1), characterized in that: The processing table (1) has two sliding openings (2), the inner wall of each sliding opening (2) is fixedly connected to two sliding rods (4), each pair of the sliding rods (4) is commonly sleeved with a moving block (3) slidably connected thereto, the tops of the two moving blocks (3) are fixedly connected to a clamping plate (6), each of the clamping plates (6) is provided with a clamping rotation mechanism, the opposite ends of the two moving blocks (3) are fixedly connected to a rack plate (32), the bottom of the processing table (1) is rotatably connected to a rotating gear (33), each of the rack plates (32) is meshed with the rotating gear (33), and the processing table (1) A U-shaped plate (14) is fixedly connected to the top of the U-shaped plate (14), a guide rail (15) is fixedly connected to the inner top of the U-shaped plate (14), two track rods (16) are fixedly connected to the guide rail (15), the two track rods (16) are jointly sleeved with an electric slider (17) slidably connected thereto, a second hydraulic rod (18) is fixedly connected to the bottom of the electric slider (17), a welding gun (19) is fixedly connected to the bottom of the second hydraulic rod (18), a dust suction mechanism is provided on the U-shaped plate (14), a collection box (25) is fixedly connected to the top of the U-shaped plate (14), and a processing mechanism is provided inside the collection box (25); The clamping rotation mechanism comprises a through opening (7) penetrating a clamping plate (6); two pairs of mounting frames (9) are fixedly connected to the inner wall of the through opening (7); each pair of mounting frames (9) is rotatably connected to a rotating roller (8); a first hydraulic rod (13) is passed through the clamping plate (6) and is fixedly connected thereto; a U-shaped frame (11) is fixedly connected to the bottom of the first hydraulic rod (13); the U-shaped frame (11) is rotatably connected to a driving roller (10); a rotating motor (12) is fixedly connected to the side wall of the U-shaped frame (11); an output shaft of the rotating motor (12) passes through the U-shaped frame (11) and is rotatably connected thereto; and a terminal end of the output shaft of the rotating motor (12) is coaxially fixedly connected to the driving roller (10).

2. A seamless steel pipe welding device for mechanical equipment processing according to claim 1, characterized in that: The dust collection mechanism comprises two hollow plates (20) fixedly connected to the inner wall of the U-shaped plate (14), the opposite ends of the two hollow plates (20) are fixedly connected to a plurality of fixing heads (21), the right hollow plate (20) is fixedly connected to an exhaust pipe (22) connected thereto, the exhaust pipe (22) passes through the U-shaped plate (14) and is fixedly connected thereto, the exhaust pipe (22) is fixedly connected to a negative pressure fan (23), the negative pressure fan (23) is fixedly installed on the top of the U-shaped plate (14), the negative pressure fan (23) is fixedly connected to a connecting pipe (24), the connecting pipe (24) is fixedly connected to a collecting box (25) and is connected thereto, the side wall of the collecting box (25) is fixedly connected to an air intake pipe (26) connected thereto, the air intake pipe (26) passes through the U-shaped plate (14) and is fixedly connected thereto, and the air intake pipe (26) is fixedly connected to the left hollow plate (20) and is connected thereto.

3. A seamless steel pipe welding device for mechanical equipment processing according to claim 2, characterized in that: The processing mechanism comprises a filter screen (27) arranged in the collection box (25) and fixedly connected to the inner wall thereof; a reciprocating screw rod (28) is provided through the collection box (25) and is rotatably connected to the collection box; a handle (29) is fixedly connected to the top of the reciprocating screw rod (28); a lifting plate (30) is sleeved on the outer wall of the reciprocating screw rod (28); a fixing rod (31) is fixedly connected to the inner wall of the collection box (25); the fixing rod (31) passes through the lifting plate (30) and is slidably connected to the lifting plate (30).

4. A seamless steel pipe welding device for mechanical equipment processing according to claim 2, characterized in that: The plurality of fixing heads (21) are distributed at equal intervals, and the plurality of fixing heads (21) are all connected to the hollow plate (20).

5. The seamless steel pipe welding device for mechanical equipment processing according to claim 3 is characterized in that: The outer wall of the handle (29) is provided with a protective sleeve, and the material of the protective sleeve is rubber.

6. The seamless steel pipe welding device for mechanical equipment processing according to claim 3 is characterized in that: A plurality of soft-bristle brushes are disposed at one end of the lifting plate (30) close to the filter screen (27), and the soft-bristle brushes are disposed against the outer wall of the filter screen (27).

7. The seamless steel pipe welding device for mechanical equipment processing according to claim 1 is characterized in that: The opposite ends of the two rack plates (32) are each provided with a plurality of rack teeth that match the rotating gear (33).

8. The seamless steel pipe welding device for mechanical equipment processing according to claim 1 is characterized in that: Four supporting legs are fixedly connected to the bottom of the processing table (1), and the positions of the four supporting legs are distributed in a rectangular shape.

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