Welding device

Abstract

The utility model discloses a welding device, which relates to the welding technical field, and comprises a processing table and two annular cylinders, the processing table is provided with two symmetrically distributed bases, the outer ring surface of each annular cylinder is connected with a guide rail, the two annular cylinders are respectively connected with the two bases in a sliding manner through the guide rails, and the two annular cylinders are connected with the two bases in a sliding manner through the guide rails. Each annular cylinder is provided with a clamping mechanism used for clamping a welding piece. The two annular cylinders located on the same axis are arranged to clamp the two welded pipe fittings, the welding coaxiality of the two pipe fittings is guaranteed, in the welding process, under the condition that the clamping state is not changed, the rocking wheel can be operated by one hand to control rotation of the pipe fittings, annular welding of the two pipe fittings is facilitated, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding device. Background Art

[0002] Welding is a manufacturing process and technology that joins metals or other thermoplastic materials by heating, high temperature or high pressure. Nowadays, gas flame, arc, laser, electron beam, friction and ultrasonic wave are mostly used as welding energy to weld pipes.

[0003] In traditional pipe welding, the method of manually clamping the pipes is usually used to achieve the stability of the two pipes. Although this method can achieve the purpose of welding pipes to a certain extent, it is easy for the two pipes to be not on the same axis. For those with high coaxiality requirements, it will seriously affect the welding quality and subsequent use of the pipes. Since the pipe weld is annular, the clamping of the pipe needs to be adjusted during the welding process, which affects the welding efficiency. For this reason, a welding device is proposed. Utility Model Content

[0004] The utility model aims to solve the problems mentioned in the above background technology and proposes a welding device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A welding device comprises a processing table and two annular cylinders, wherein two symmetrically distributed bases are mounted on the processing table, the outer ring surface of each annular cylinder is connected to a guide rail, the two annular cylinders are respectively slidably connected to the two bases via the guide rails, and each annular cylinder is provided with a clamping mechanism for clamping a weldment.

[0007] Preferably, the clamping mechanism includes a turntable and a threaded rod, three sliding grooves are opened in a ring array on the inner ring surface of the annular cylinder, a clamping block is slidably connected in each of the sliding grooves, the turntable is rotatably connected to the annular cylinder, three arc-shaped limit grooves are opened on the turntable in a ring array, the positions of the three limit grooves correspond one to one with the three sliding grooves, each of the clamping blocks is connected to a limit rod close to the turntable side, and the three limit rods are slidably connected to the three limit grooves respectively.

[0008] Preferably, two mounting plates are connected to the bottom of the processing table, and the two mounting plates are rotatably connected to the main shaft. Two connecting ports are provided on the processing table, and transmission gears are coaxially connected to both ends of the main shaft, and each of the annular cylinder outer ring surface is coaxially connected to a gear ring, and the two transmission gears are respectively meshed with the two gear rings through the connecting ports, and two fixing plates are connected to the bottom of the processing table, and the two fixing plates are rotatably connected to a rotating shaft, one end of the rotating shaft is coaxially connected to a rocking wheel, a first bevel gear is coaxially connected to the main shaft, and a second bevel gear is coaxially connected to the end of the rotating shaft away from the rocking wheel, and the first bevel gear and the second bevel gear are meshed with each other.

[0009] Preferably, the threaded rod is connected to the turntable through threads, and a control button is connected to the top of the threaded rod.

[0010] Preferably, the two annular cylinders are located on the same axis.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The utility model is provided with two annular cylinders on the same axis to clamp the two pipe fittings to be welded, thereby ensuring the coaxiality of the welding of the two pipe fittings. In addition, during the welding process, the rotation of the pipe fitting can be controlled by operating a rocker wheel with one hand without changing the clamping state, thereby facilitating the annular welding of the two pipe fittings and improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a schematic diagram of the bottom structure of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the clamping mechanism part in the utility model.

[0016] In the figure: 1 processing table, 11 connecting port, 12 mounting plate, 13 main shaft, 14 transmission gear, 15 fixing plate, 16 rotating shaft, 17 rocker, 18 first bevel gear, 19 second bevel gear, 2 base, 3 annular cylinder, 31 guide rail, 32 slide groove, 33 clamping block, 34 limit rod, 35 turntable, 36 limit groove, 37 threaded rod, 38 control button, 39 gear ring. DETAILED DESCRIPTION

[0017] 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 of the embodiments.

[0018] Reference Figure 1-3As shown, a welding device includes a processing table 1 and two annular cylinders 3, wherein two symmetrically distributed bases 2 are installed on the processing table 1, and the outer ring surface of each annular cylinder 3 is connected to a guide rail 31, and the two annular cylinders 3 are respectively slidably connected to the two bases 2 through the guide rail 31, and each annular cylinder 3 is provided with a clamping mechanism for clamping the weldment.

[0019] In this embodiment, the clamping mechanism includes a turntable 35 and a threaded rod 37. Three sliding grooves 32 are opened on the inner ring surface of the annular cylinder 3 in the form of an annular array. A clamping block 33 is slidably connected in each of the sliding grooves 32. The turntable 35 is rotatably connected to the annular cylinder 3. Three arc-shaped limiting grooves 36 are opened on the turntable 35 in the form of an annular array. The positions of the three limiting grooves 36 correspond one by one to the three sliding grooves 32. Each of the clamping blocks 33 is connected to a limiting rod 34 close to the turntable 35. The three limiting rods 34 are respectively slidably connected to the three limiting grooves 36, and the two annular cylinders 3 are located on the same axis.

[0020] In this embodiment, two mounting plates 12 are connected to the bottom of the processing table 1, and the two mounting plates 12 are rotatably connected to the main shaft 13 together. Two communicating ports 11 are provided on the processing table 1, and transmission gears 14 are coaxially connected to both ends of the main shaft 13. The outer ring surface of each annular cylinder 3 is coaxially connected to a gear ring 39, and the two transmission gears 14 are respectively meshed with the two gear rings 39 through the communicating ports 11. Two fixing plates 15 are connected to the bottom of the processing table 1, and the two fixing plates 15 are rotatably connected to a rotating shaft 16 together, and one end of the rotating shaft 16 is coaxially connected to a rocking wheel 17. A first bevel gear 18 is coaxially connected to the main shaft 13, and a second bevel gear 19 is coaxially connected to the end of the rotating shaft 16 away from the rocking wheel 17, and the first bevel gear 18 and the second bevel gear 19 are meshed with each other.

[0021] In this embodiment, the threaded rod 37 is connected to the turntable 35 through a thread, and a control button 38 is connected to the top of the threaded rod 37. The threaded rod 37 can be used for locking and can also be used for controlling the rotation of the turntable 35.

[0022] Working process and principle:

[0023] When in use, first insert the two pipe fittings into the central clamping area of ​​the two annular cylinders 3 respectively, then rotate the turntables 35 on the two annular cylinders 3 respectively, and use the limiting grooves 36 on the turntable 35 to push the limiting rod 34, and at the same time make the three clamping blocks 33 move toward the center direction of the annular cylinder 3, and the pipe fittings are clamped by the three clamping blocks 33, and the pipe fittings and the annular cylinder 3 are on the same axis. Then, turn the control button 38 to make the threaded rod 37 squeeze the outer ring surface of the annular cylinder 3, and lock the turntable 35. The clamping of another pipe fitting is completed in the same way. Since the two annular cylinders 3 are on the same axis, the two pipe fittings will be on the same axis. Then, the connection between the two pipe fittings is welded. During the welding process, the rocker 17 can be rotated, and the gear transmission can be used to drive the two annular cylinders 3 to rotate at the same speed and in the same direction. The pipe fittings can be rotated by one hand without changing the clamping, which is convenient for annular welding of the two pipe fittings and improves the welding efficiency.

[0024] The above description is only a preferred specific implementation manner 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A welding device, characterized in that: The invention comprises a processing table (1) and two annular cylinders (3), wherein two symmetrically distributed bases (2) are mounted on the processing table (1), the outer ring surface of each annular cylinder (3) is connected to a guide rail (31), the two annular cylinders (3) are slidably connected to the two bases (2) respectively via the guide rail (31), and each annular cylinder (3) is provided with a clamping mechanism for clamping a welded part.

2. A welding device according to claim 1, characterized in that: The clamping mechanism comprises a rotating disk (35) and a threaded rod (37). Three slide grooves (32) are provided on the inner ring surface of the annular cylinder (3) in an annular array. A clamping block (33) is slidably connected in each of the slide grooves (32). The rotating disk (35) is rotatably connected to the annular cylinder (3). Three arc-shaped limiting grooves (36) are provided on the rotating disk (35) in an annular array. The positions of the three limiting grooves (36) correspond to the three slide grooves (32) one by one. Each of the clamping blocks (33) is connected to a limiting rod (34) near the rotating disk (35). The three limiting rods (34) are slidably connected to the three limiting grooves (36) respectively.

3. A welding device according to claim 2, characterized in that: The bottom of the processing table (1) is connected to two mounting plates (12), and the two mounting plates (12) are connected to a main shaft (13) for rotation together. The processing table (1) is provided with two communication ports (11), and both ends of the main shaft (13) are coaxially connected to transmission gears (14). The outer ring surface of each annular cylinder (3) is coaxially connected to a gear ring (39), and the two transmission gears (14) are respectively meshed with the two gear rings (39) through the communication ports (11). The bottom of the processing table (1) is connected with two fixed plates (15), and the two fixed plates (15) are connected with a rotating shaft (16) for common rotation, and one end of the rotating shaft (16) is coaxially connected with a rocking wheel (17), and a first bevel gear (18) is coaxially connected to the main shaft (13), and one end of the rotating shaft (16) away from the rocking wheel (17) is coaxially connected with a second bevel gear (19), and the first bevel gear (18) and the second bevel gear (19) are meshed with each other.

4. A welding device according to claim 2, characterized in that: The threaded rod (37) is connected to the rotating disk (35) through a thread, and a control button (38) is connected to the top of the threaded rod (37).

5. A welding device according to claim 2, characterized in that: The two annular cylinders (3) are located on the same axis.

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