Steel pipe welding equipment with rapid cooling structure

Abstract

The utility model discloses steel pipe welding equipment with a quick cooling structure, which comprises a bottom plate, supporting columns are arranged at four corners of the top surface of the bottom plate, a top plate and an air cylinder are fixedly mounted at the top ends of the supporting columns, and the air cylinder is fixedly mounted on the bottom surface of the top plate; the moving seat is slidably connected to the bottom surface of the top plate, and the right side surface of the moving seat is fixedly connected with the output end of the air cylinder; the electric telescopic rod is fixedly mounted on the bottom surface of the moving seat; and the mounting plate is fixedly mounted at the output end of the electric telescopic rod. According to the steel pipe welding equipment with the rapid cooling structure, it can be conveniently guaranteed that rapid cooling is conducted after a steel pipe is welded, the cooling speed of the steel pipe is increased, the steel pipe machining efficiency is improved, meanwhile, the steel pipe can be conveniently rotated in the welding process, welding machining of the steel pipe surrounding a circle is achieved, using is more flexible, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a steel pipe welding device with a rapid cooling structure. Background Technique

[0002] Steel pipes are used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, and are also an economical type of steel. During the processing of steel pipes, welding is often required. However, existing steel pipe welding devices still have certain defects. For example:

[0003] For the "Steel Pipe Welding Device" with the application number CN202123165389.X, it is not convenient to rapidly cool the steel pipe during use. After the steel pipe is welded, the temperature at the welding point is relatively high, and subsequent operations need to be carried out after cooling, which reduces the processing efficiency of the steel pipe. At the same time, the steel pipe cannot be rotated, so only the fixed part of the steel pipe can be welded, and it is difficult to weld the entire circumference of the steel pipe, resulting in limitations in use. In view of this, a steel pipe welding device with a rapid cooling structure is proposed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a steel pipe welding device with a rapid cooling structure to solve the problem that the existing steel pipe welding device is not convenient for rapidly cooling the steel pipe as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A steel pipe welding device with a rapid cooling structure, including a bottom plate, four corners of the top surface of the bottom plate are respectively provided with support columns, and the top ends of the support columns are fixedly installed with a top plate.

[0006] A cylinder, the cylinder is fixedly installed on the bottom surface of the top plate.

[0007] A moving seat, the moving seat is slidably connected to the bottom surface of the top plate, and the right side surface of the moving seat is fixedly connected to the output end of the cylinder.

[0008] An electric telescopic rod, the electric telescopic rod is fixedly installed on the bottom surface of the moving seat.

[0009] A mounting plate, the mounting plate is fixedly installed at the output end of the electric telescopic rod.

[0010] A welding gun, the welding gun is installed on the bottom surface of the mounting plate.

[0011] A fixing mechanism, the fixing mechanism is arranged on the top surface of the bottom plate.

[0012] A rotating mechanism, the rotating mechanism is connected to the fixing mechanism.

[0013] A transmission mechanism, the transmission mechanism is connected to the rotation mechanism;

[0014] A one-way rotation mechanism, the one-way rotation mechanism is connected to the transmission mechanism;

[0015] A spraying mechanism, the spraying mechanism is connected to the one-way rotation mechanism.

[0016] Adopting the above technical solution, it is convenient to quickly cool the steel pipe after welding.

[0017] As a preferred technical solution of the present invention, the fixing mechanism includes:

[0018] Fixed plates, two of the fixed plates arranged symmetrically are fixedly installed on the top surface of the bottom plate;

[0019] A cylinder, the cylinder bearing penetrates through the fixed plate;

[0020] Hydraulic cylinders, the symmetrically arranged hydraulic cylinders are fixedly installed on the outer wall surface of the cylinder, and the output ends of the hydraulic cylinders slide through the side wall of the cylinder;

[0021] A pressing plate, the pressing plate is fixedly installed at the output end of the hydraulic cylinder.

[0022] Adopting the above technical solution, it is convenient to stably and effectively fix the steel pipe and improve the stability effect of welding.

[0023] As a preferred technical solution of the present invention, the rotation mechanism includes:

[0024] A motor, the motor is fixedly installed on the top surface of the bottom plate;

[0025] A rotating shaft, the left end of the rotating shaft is key-connected to the shaft end of the motor, and the rotating shaft bearing penetrates through the fixed plate;

[0026] Driving gears, two of the driving gears arranged symmetrically are fixedly sleeved on the surface of the rotating shaft;

[0027] Driven gears, the driven gears are fixedly sleeved on the outer wall surface of the cylinder, and the driven gears are meshed with the driving gears.

[0028] Adopting the above technical solution, it is convenient for the rotating shaft to rotate and drive the cylinder to rotate through the driving gears and the driven gears, so as to drive the fixed steel pipe to rotate and realize the welding process of winding the steel pipe for one circle.

[0029] As a preferred technical solution of the present invention, the tooth number ratio of the driving gear to the driven gear is 1:4.

[0030] Adopting the above technical solution, it is convenient for the driving gear to drive the driven gear to rotate more labor-saving.

[0031] As a preferred technical solution of the present utility model, the transmission mechanism includes:

[0032] A sleeve, the right end face of the sleeve is bearing-connected to the outer side surface of the left fixing plate;

[0033] A transmission gear, the transmission gear is fixedly sleeved on the outer wall surface of the sleeve, and the transmission gear is meshed and connected with the left driven gear.

[0034] Adopting the above technical solution, it is convenient for the driven gear to drive the sleeve to rotate through the transmission gear when rotating.

[0035] As a preferred technical solution of the present utility model, the one-way rotation mechanism includes:

[0036] A reciprocating lead screw, the reciprocating lead screw is bearing-penetrated and connected to the center of the left side wall of the sleeve, and the right end of the reciprocating lead screw is bearing-connected to the outer side surface of the left fixing plate;

[0037] A ratchet wheel, the ratchet wheel is fixedly installed on the surface of the reciprocating lead screw, and the ratchet wheel is located inside the sleeve;

[0038] A pawl, the pawl is connected to the inner wall surface of the sleeve through a torsion spring, and the pawl is meshed with the ratchet wheel.

[0039] Adopting the above technical solution, it is convenient for the sleeve to realize the one-way rotation of the reciprocating lead screw through the setting of the ratchet wheel and the pawl when rotating.

[0040] As a preferred technical solution of the present utility model, the spraying mechanism includes:

[0041] A slide plate, the slide plate is slidably connected to the bottom surface of the top plate, and the reciprocating lead screw penetrates through the slide plate, and the reciprocating lead screw is threadedly connected to the slide plate;

[0042] A slide bar, the slide bar is fixedly installed on the right side surface of the slide plate;

[0043] A cylinder body, the cylinder body is fixedly installed on the bottom surface of the top plate, and the slide bar slidably penetrates through the left side wall of the cylinder body;

[0044] A piston, the piston is fixedly installed at the right end of the slide bar, and the diameter of the piston matches the inner diameter of the cylinder body;

[0045] Liquid inlet pipes, two symmetrically arranged liquid inlet pipes are respectively fixedly penetrated and arranged at the left and right ends of the top surface of the cylinder body, and the liquid inlet pipes are fixedly penetrated through the top plate, and one-way liquid inlet valves are arranged on the liquid inlet pipes;

[0046] A liquid suction pipe, which is fixedly connected to the top end of the liquid inlet pipe, and the liquid suction pipe is fixedly installed through the lower end of the left side wall of the water tank on the top surface of the top plate;

[0047] Liquid outlet pipes, two symmetrically arranged liquid outlet pipes are respectively fixedly installed through the left and right ends of the bottom surface of the cylinder body, and a one-way liquid outlet valve is arranged on the liquid outlet pipe;

[0048] A hose, which is fixedly connected and communicated with the bottom end of the liquid outlet pipe;

[0049] A spray pipe, which is fixedly installed through the mounting plate, and the top end of the spray pipe is fixedly connected and communicated with the hose;

[0050] A spray head, which is fixedly installed and communicated at the bottom end of the spray pipe.

[0051] Adopting the above technical solution, it is convenient for the reciprocating lead screw to rotate to drive the sliding plate to drive the sliding rod and the piston to generate reciprocating movement, so that water is sucked in and sprayed onto the steel pipe at the same time, realizing the cooling of the steel pipe.

[0052] Compared with the prior art, the beneficial effects of the present utility model are: the steel pipe welding equipment with a rapid cooling structure can facilitate the rapid cooling of the steel pipe after welding and processing, accelerate the cooling speed of the steel pipe, improve the processing efficiency of the steel pipe, and at the same time can facilitate the rotation of the steel pipe during the welding process, realizing the welding process of surrounding the steel pipe in a circle, with more flexible use and stronger practicability;

[0053] 1. By respectively placing the two welded steel pipes into the cylinders on both sides, the pressing plate is moved inward by the hydraulic cylinder to fix the steel pipes, and at the same time, the steel pipes on both sides are kept in contact;

[0054] 2. The cylinder drives the moving seat to move, so as to adjust the horizontal position of the welding gun. The electric telescopic rod drives the mounting plate to drive the welding gun to move up and down, realizing the adjustment of the position of the welding gun, and ensuring that the steel pipe can be effectively welded and processed;

[0055] 3. The driving motor drives the rotating shaft to drive the driving gear to rotate, and drives the cylinder to rotate through the driven gear, so that the fixed steel pipe rotates, realizing the welding of the steel pipe in a circle;

[0056] 4. The motor drives the rotating shaft to rotate in the reverse direction, so that the driven gear rotates in the reverse direction, and then drives the sleeve to rotate in the reverse direction through the transmission gear. At this time, the reciprocating lead screw rotates through the action of the ratchet and the pawl, so that the sliding plate drives the sliding rod and the piston to generate reciprocating movement, so that the liquid suction pipe pumps out the water in the water tank and alternately enters the cylinder body through the liquid inlet pipe, and then alternately discharges through the liquid outlet pipe and enters the spray pipe, and sprays onto the steel pipe through the spray head, realizing the rapid cooling of the steel pipe. Description of the Drawings

[0057] Figure 1 Schematic diagram of the front view structure of the present utility model;

[0058] Figure 2 Schematic diagram of the connection structure of the fixing plate and the cylinder of the present utility model in the main view section;

[0059] Figure 3 Schematic diagram of the connection structure of the ratchet and the pawl of the present utility model in the side view section;

[0060] Figure 4 Schematic diagram of the three - dimensional connection structure of the cylinder and the driven gear of the present utility model;

[0061] Figure 5 Schematic diagram of the three - dimensional sectional structure of the cylinder body of the present utility model.

[0062] In the figure: 1, bottom plate; 2, support column; 3, top plate; 4, cylinder; 5, moving seat; 6, electric telescopic rod; 7, mounting plate; 8, welding gun; 9, fixing plate; 10, cylinder; 11, hydraulic cylinder; 12, pressing plate; 13, motor; 14, rotating shaft; 15, driving gear; 16, driven gear; 17, sleeve; 18, transmission gear; 19, reciprocating lead screw; 20, ratchet; 21, pawl; 22, sliding plate; 23, sliding rod; 24, cylinder body; 25, piston; 26, liquid inlet pipe; 27, liquid extraction pipe; 28, water tank; 29, liquid outlet pipe; 30, hose; 31, spray pipe; 32, nozzle. Specific embodiments

[0063] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0064] Please refer to Figures 1-5 , the technical solution of the present utility model: A steel pipe welding device with a rapid cooling structure, including a bottom plate 1. Support columns 2 are provided at the four corners of the top surface of the bottom plate 1, and a top plate 3 is fixedly installed at the top ends of the support columns 2. A cylinder 4 is fixedly installed on the bottom surface of the top plate 3. A moving seat 5 is slidably connected to the bottom surface of the top plate 3, and the right side surface of the moving seat 5 is fixedly connected to the output end of the cylinder 4. An electric telescopic rod 6 is fixedly installed on the bottom surface of the moving seat 5. A mounting plate 7 is fixedly installed at the output end of the electric telescopic rod 6. A welding gun 8 is installed on the bottom surface of the mounting plate 7;

[0065] Two symmetrically arranged fixing plates 9 are fixedly installed on the top surface of the bottom plate 1. A cylinder 10 is arranged through the fixing plate 9 by bearings. Two symmetrically arranged hydraulic cylinders 11 are fixedly installed on the outer wall surface of the cylinder 10, and the output end of the hydraulic cylinder 11 slides through the side wall of the cylinder 10. A pressing plate 12 is fixedly installed at the output end of the hydraulic cylinder 11;

[0066] A motor 13 is fixedly installed on the top surface of the bottom plate 1. The left end of a rotating shaft 14 is key-connected to the shaft end of the motor 13, and the rotating shaft 14 is arranged through the fixing plate 9 by bearings. Two symmetrically arranged driving gears 15 are fixedly sleeved on the surface of the rotating shaft 14. A driven gear 16 is fixedly sleeved on the outer wall surface of the cylinder 10, and the driven gear 16 is meshed with the driving gear 15. The tooth number ratio of the driving gear 15 to the driven gear 16 is 1:4;

[0067] The right end face of a sleeve 17 is connected to the outer side surface of the left fixing plate 9 by bearings. A transmission gear 18 is fixedly sleeved on the outer wall surface of the sleeve 17, and the transmission gear 18 is meshed with the left driven gear 16;

[0068] A reciprocating lead screw 19 is arranged through the center of the left side wall of the sleeve 17 by bearings, and the right end of the reciprocating lead screw 19 is connected to the outer side surface of the left fixing plate 9 by bearings. A ratchet wheel 20 is fixedly installed on the surface of the reciprocating lead screw 19, and the ratchet wheel 20 is located inside the sleeve 17. A pawl 21 is connected to the inner wall surface of the sleeve 17 by a torsion spring, and the pawl 21 is meshed with the ratchet wheel 20;

[0069] A sliding plate 22 is slidably connected to the bottom surface of the top plate 3, and the reciprocating lead screw 19 passes through the sliding plate 22 and is threadedly connected to the sliding plate 22. A sliding rod 23 is fixedly installed on the right side surface of the sliding plate 22. A cylinder body 24 is fixedly installed on the bottom surface of the top plate 3, and the sliding rod 23 slides through the left side wall of the cylinder body 24. A piston 25 is fixedly installed at the right end of the sliding rod 23, and the diameter of the piston 25 is matched with the inner diameter of the cylinder body 24. Two symmetrically arranged liquid inlet pipes 26 are respectively fixedly penetrated and arranged at the left and right ends of the top surface of the cylinder body 24, and the liquid inlet pipes 26 are fixedly penetrated through the top plate 3. And a one-way liquid inlet valve is arranged on the liquid inlet pipe 26. A liquid extraction pipe 27 is fixedly connected to the top end of the liquid inlet pipe 26, and the liquid extraction pipe 27 is fixedly penetrated and installed at the lower end of the left side wall of a water tank 28 on the top surface of the top plate 3. Two symmetrically arranged liquid outlet pipes 29 are respectively fixedly penetrated and arranged at the left and right ends of the bottom surface of the cylinder body 24, and a one-way liquid outlet valve is arranged on the liquid outlet pipe 29. A hose 30 is fixedly connected to the bottom end of the liquid outlet pipe 29. A spray pipe 31 is fixedly penetrated through a mounting plate 7, and the top end of the spray pipe 31 is fixedly connected to the hose 30. A spray head 32 is fixedly connected and installed at the bottom end of the spray pipe 31.

[0070] Working principle: When in use, the two steel pipes to be welded are respectively placed in the cylinders 10 on both sides. The pressing plate 12 is moved inwards by the hydraulic cylinder 11, so that the steel pipes are tightly fixed and the two steel pipes are kept in contact with each other.

[0071] Start the electric telescopic rod 6 to drive the mounting plate 7 to drive the welding gun 8 to move up and down. The moving seat 5 is moved by the air cylinder 4, so that the welding gun 8 moves horizontally. By adjusting the position of the welding gun 8, an effective welding structure for the steel pipe is ensured.

[0072] Start the motor 13 to drive the rotating shaft 14 to drive the driving gear 15 to rotate, so that the driven gear 16 meshed with the driving gear 15 drives the cylinder 10 to rotate, thereby synchronously rotating the fixed steel pipe and realizing the welding process of surrounding the steel pipe for one circle.

[0073] After welding, the motor 13 is used to rotate the rotating shaft 14 in the reverse direction, so that the driving gear 15 drives the driven gear 16 to rotate in the reverse direction, and thus the transmission gear 18 meshed with the driven gear 16 drives the sleeve 17 to rotate in the reverse direction. At this time, the reciprocating lead screw 19 rotates through the action of the ratchet 20 and the pawl 21.

[0074] When the reciprocating lead screw 19 rotates, the slide plate 22 drives the slide rod 23 and the piston 25 to move reciprocally, so that the water in the water tank 28 is extracted through the liquid extraction pipe 27 and alternately enters the cylinder body 24 through the liquid inlet pipes 26 on both sides, and then alternately discharges into the hose 30 through the liquid outlet pipes 29 on both sides, and enters the spray pipe 31 and is sprayed out to the steel pipe through the nozzle 32, realizing the rapid cooling of the steel pipe. The content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0075] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe welding device with a rapid cooling structure, comprising a bottom plate (1), wherein the top surface of the bottom plate (1) is provided with support columns (2) at four corners, and a top plate (3) is fixedly mounted on the top of the support columns (2), characterized in that: Also includes: A cylinder (4), wherein the cylinder (4) is fixedly mounted on the bottom surface of the top plate (3); A movable seat (5), wherein the movable seat (5) is slidably connected to the bottom surface of the top plate (3), and the right side surface of the movable seat (5) is fixedly connected to the output end of the cylinder (4); An electric telescopic rod (6), wherein the electric telescopic rod (6) is fixedly mounted on the bottom surface of the movable seat (5); A mounting plate (7), wherein the mounting plate (7) is fixedly mounted on the output end of the electric telescopic rod (6); A welding gun (8), wherein the welding gun (8) is mounted on the bottom surface of the mounting plate (7); A fixing mechanism, the fixing mechanism being arranged on the top surface of the bottom plate (1); A rotating mechanism connected to the fixing mechanism; A transmission mechanism connected to the rotating mechanism; A one-way rotation mechanism, wherein the one-way rotation mechanism is connected to the transmission mechanism; A spray mechanism is connected to the one-way rotation mechanism.

2. The steel pipe welding equipment with a rapid cooling structure according to claim 1, characterized in that: The fixing mechanism comprises: A fixing plate (9), wherein two symmetrically arranged fixing plates (9) are fixedly mounted on the top surface of the bottom plate (1); A cylinder (10), wherein a bearing of the cylinder (10) is disposed through the fixing plate (9); A hydraulic cylinder (11), wherein the hydraulic cylinder (11) is symmetrically arranged and fixedly mounted on the outer wall surface of the cylinder (10), and the output end of the hydraulic cylinder (11) slides through the side wall of the cylinder (10); A pressing plate (12), wherein the pressing plate (12) is fixedly mounted on the output end of the hydraulic cylinder (11).

3. The steel pipe welding equipment with a rapid cooling structure according to claim 2, characterized in that: The rotating mechanism comprises: A motor (13), wherein the motor (13) is fixedly mounted on the top surface of the base plate (1); A rotating shaft (14), the left end of the rotating shaft (14) is key-connected to the shaft end of the motor (13), and the bearing of the rotating shaft (14) is arranged to penetrate the fixing plate (9); A driving gear (15), wherein two symmetrically arranged driving gears (15) are fixedly sleeved on the surface of the rotating shaft (14); A driven gear (16) is fixedly sleeved on the outer wall surface of the cylinder (10), and the driven gear (16) is meshedly connected with the driving gear (15).

4. The steel pipe welding equipment with a rapid cooling structure according to claim 3 is characterized in that: The gear ratio between the driving gear (15) and the driven gear (16) is 1:

4.

5. The steel pipe welding equipment with a rapid cooling structure according to claim 3 is characterized in that: The transmission mechanism comprises: A sleeve (17), the right end surface of the sleeve (17) being connected to the outer side bearing of the left side fixed plate (9); A transmission gear (18) is fixedly sleeved on the outer wall surface of the sleeve (17), and the transmission gear (18) is meshedly connected with the left driven gear (16).

6. The steel pipe welding equipment with a rapid cooling structure according to claim 5, characterized in that: The one-way rotation mechanism comprises: A reciprocating screw rod (19), wherein the bearing of the reciprocating screw rod (19) is connected to the center of the left side wall of the sleeve (17), and the right end of the reciprocating screw rod (19) is connected to the outer side bearing of the left side fixed plate (9); A ratchet (20), wherein the ratchet (20) is fixedly mounted on the surface of the reciprocating screw rod (19), and the ratchet (20) is located inside the sleeve (17); A ratchet pawl (21), wherein the ratchet pawl (21) is connected to the inner wall surface of the sleeve (17) via a torsion spring, and the ratchet pawl (21) is meshed with the ratchet wheel (20).

7. The steel pipe welding equipment with a rapid cooling structure according to claim 6, characterized in that: The spray mechanism comprises: A slide plate (22), wherein the slide plate (22) is slidably connected to the bottom surface of the top plate (3), and the reciprocating screw rod (19) is arranged to penetrate the slide plate (22), and the reciprocating screw rod (19) is threadedly connected to the slide plate (22); A slide bar (23), wherein the slide bar (23) is fixedly mounted on the right side of the slide plate (22); A cylinder (24), wherein the cylinder (24) is fixedly mounted on the bottom surface of the top plate (3), and the slide bar (23) is slidably disposed through the left side wall of the cylinder (24); A piston (25), wherein the piston (25) is fixedly mounted on the right end of the slide rod (23), and the diameter of the piston (25) matches the inner diameter of the cylinder (24); A liquid inlet pipe (26), wherein two symmetrically arranged liquid inlet pipes (26) are respectively fixedly arranged to penetrate the left and right ends of the top surface of the cylinder (24), and the liquid inlet pipes (26) are fixedly arranged to penetrate the top plate (3), and a one-way liquid inlet valve is arranged on the liquid inlet pipe (26); A liquid extraction pipe (27), the liquid extraction pipe (27) is fixedly connected to the top end of the liquid inlet pipe (26), and the liquid extraction pipe (27) is fixedly passed through the lower end of the left side wall of a water tank (28) installed on the top surface of the top plate (3); Liquid outlet pipes (29), two symmetrically arranged liquid outlet pipes (29) are respectively fixedly passed through the left and right ends of the bottom surface of the cylinder (24), and a one-way liquid outlet valve is arranged on the liquid outlet pipes (29); A hose (30), the hose (30) being fixedly connected to the bottom end of the liquid outlet pipe (29); A nozzle (31), the nozzle (31) is fixedly arranged to penetrate the mounting plate (7), and the top end of the nozzle (31) is fixedly connected to the hose (30); A nozzle (32), wherein the nozzle (32) is fixedly connected and installed at the bottom end of the nozzle pipe (31).

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