Butt joint device for metal pipe welding

Abstract

The utility model relates to the field of metal pipe welding, and discloses a butt joint device for metal pipe welding, which comprises a base, two moving plates are slidably connected to the upper surface of the base, mounting grooves are formed in the side surfaces of the moving plates in a penetrating manner, and rotating rings are rotatably connected to the inner walls of the mounting grooves; a rotating column is fixedly connected to the side surface of the rotating ring, a first sliding groove is formed in the side surface of the rotating column in a penetrating mode, two clamping plates are slidably connected to the inner wall of the first sliding groove, a moving block is slidably connected to the upper surface of the base, and two hydraulic cylinders are fixedly connected to the upper surface of the moving block; the moving block is slidably connected with an interface supporting plate through the two hydraulic cylinders. According to the welding device, metal pipes with different pipe diameters can be stably clamped and fixed, the universality and flexibility of the device are further improved, angle rotation of the metal pipes can be rapidly conducted while welding is conducted, all-directional welding of the metal pipe connectors can be rapidly completed, and then the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of metal pipe welding, in particular to a butt joint device for metal pipe welding. BACKGROUND

[0002] Welding is a manufacturing process and technology that connects metal or other thermoplastic materials such as plastic by heating, high temperature or high pressure, and the welding of metal pipes is one of the important processes for connecting pipes. A butt joint device is needed during the welding process;

[0003] However, the clamping parts of the existing butt joint device are mostly fixedly arranged, and it is difficult to flexibly adjust according to different pipe diameters, which makes it difficult to stably clamp metal pipes of different pipe diameters, reduces the versatility and flexibility of the device, and secondly, during the welding process, the metal pipe needs to be rotated multiple times for adjustment to complete the all-around welding at the interface, which makes it difficult to quickly adjust the welding angle of the metal pipe, resulting in low welding efficiency and affecting the welding quality;

[0004] For the above related technologies, the inventors believe that the butt joint device for metal pipe welding has the defects of being difficult to be applied to metal pipes of different pipe diameters and being difficult to quickly adjust the welding angle of the metal pipe;

[0005] The above information disclosed in the background art is only used to increase the understanding of the background art of the present application, and therefore, it can include prior art known by those skilled in the art. CONTENT OF THE INVENTION

[0006] In order to solve the problems of the butt joint device for metal pipe welding being difficult to be applied to metal pipes of different pipe diameters and being difficult to quickly adjust the welding angle of the metal pipe, the present application provides a butt joint device for metal pipe welding.

[0007] The butt joint device for metal pipe welding provided by the present application adopts the following technical scheme:

[0008] A butt joint device for metal pipe welding, comprising a base, the upper surface of the base is slidably connected with two moving plates, the side surface of the moving plate is provided with an installation slot, the inner wall of the installation slot is rotatably connected with a rotating ring, the side surface of the rotating ring is fixedly connected with a rotating column, the side surface of the rotating column is provided with a first sliding groove, the inner wall of the first sliding groove is slidably connected with two clamping plates, the upper surface of the base is slidably connected with a moving block, the upper surface of the moving block is fixedly connected with two hydraulic cylinders, and the moving block is slidably connected with an interface support plate through the two hydraulic cylinders.

[0009] Preferably, the upper surface of the base is provided with a second sliding groove, the inner wall of the second sliding groove is rotationally connected with a first ball screw, and the outer surface of the first ball screw is rotationally engaged with the moving block.

[0010] Preferably, the upper surface of the base is fixedly connected with two first support plates, the opposite side surfaces of the two first support plates are fixedly connected with a first guide rail, the outer surface of the first guide rail is slidably connected with the two moving plates, the opposite side surfaces of the two first support plates are rotationally connected with a double-head screw, and the outer surface of the double-head screw is rotationally engaged with the two moving plates.

[0011] Preferably, the inner wall of the first sliding groove is fixedly connected with a second guide rail, the outer surface of the second guide rail is slidably connected with the two clamping plates, the inner wall of the first sliding groove is rotationally connected with a second ball screw, and the outer surface of the second ball screw is rotationally engaged with the two clamping plates.

[0012] Preferably, the outer surface of the rotating column is fixedly connected with a worm gear, the side surface of the moving plate is fixedly connected with two second support plates, the opposite side surfaces of the two second support plates are rotationally connected with a worm, and the outer surface of the worm is meshed with the outer surface of the worm gear.

[0013] To sum up, the present application has the following beneficial technical effects:

[0014] 1. By setting the clamping plate, the second guide rail, and the second ball screw together, different pipe diameters of the metal pipe can be stably clamped and fixed, which not only improves the stability of welding but also improves the versatility and flexibility of the device. Compared with the prior art, it has the effect of being applicable to metal pipes of different diameters.

[0015] 2. By setting the rotating ring, the rotating column, the worm gear, the second support plate, and the worm together, the metal pipe angle can be quickly rotated during welding, which facilitates the completion of all-around welding of the metal pipe interface, thereby improving the welding efficiency. Compared with the prior art, it has the effect of facilitating quick adjustment of the welding angle of the metal pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall schematic diagram of the application embodiment;

[0017] Figure 2 is the moving structure diagram of the clamping plate;

[0018] Figure 3 is the connection structure diagram of the rotating column.

[0019] Explanation of reference signs: 1, base; 2, moving plate; 3, mounting groove; 4, rotating ring; 5, rotating column; 6, first sliding groove; 7, clamping plate; 8, moving block; 9, hydraulic cylinder; 10, interface support plate; 11, second sliding groove; 12, first ball screw; 13, first support plate; 14, first guide rail; 15, double-end screw; 16, second guide rail; 17, second ball screw; 18, worm wheel; 19, second support plate; 20, worm. DETAILED DESCRIPTION

[0020] The following will be described in detail in combination with the accompanying drawings Figures 1-3 The present application is further described in detail.

[0021] The embodiment of the present application discloses a butt joint device for metal pipe welding. Referring to Figure 1 , Figure 2 , Figure 3 , including a cuboid-shaped base 1, so as to stably support the whole device through the base 1, and two cuboid-shaped moving plates 2 are slidingly connected on the upper surface of the base 1, so as to relatively slide through the two moving plates 2, thereby driving the two metal pipes clamped to be butt jointed, so as to perform welding of the interface, and a groove-shaped mounting groove 3 is penetrated on the side surface of the moving plate 2, a ring-shaped rotating ring 4 is rotatably connected on the inner wall of the mounting groove 3, a cylindrical rotating column 5 is fixedly connected on the side surface of the rotating ring 4, so that in subsequent welding, the rotating column 5 can be rotated, thereby driving the metal pipe clamped to rotate, so as to facilitate quick adjustment of the angle of the metal pipe, so that the staff can quickly weld the metal pipe interface in all directions, thereby improving the welding efficiency, a groove-shaped first sliding groove 6 is penetrated on the side surface of the rotating column 5, two clamping plates 7 are slidingly connected on the inner wall of the first sliding groove 6, so as to place the metal pipe penetrating the mounting groove 3 and the first sliding groove 6 between the two clamping plates 7, and then relatively slide the two clamping plates 7, so as to stably clamp and fix the metal pipes of different sizes;

[0022] Secondly, the block-shaped moving block 8 is slidingly connected on the upper surface of the base 1, the two hydraulic cylinders 9 are fixedly connected on the upper surface of the moving block 8, and the moving block 8 is slidingly connected with the interface support plate 10 through the two hydraulic cylinders 9, so as to slide the moving block 8, thereby driving the hydraulic cylinder 9 and the interface support plate 10 to move, so that the interface support plate 10 can be located at the interface of the two metal pipes, and then the interface support plate 10 is driven by the hydraulic cylinder 9 to move upward, so that the upper surface of the interface support plate 10 is in contact with the outer surface of the metal pipe, thereby supporting the interface of the two metal pipes through the interface support plate 10, thereby ensuring the stability of the metal pipe and improving the welding quality.

[0023] Referring to Figure 1A groove-shaped second sliding groove 11 is formed on the upper surface of the base 1, the inner wall of the second sliding groove 11 is rotationally connected with a first ball screw 12, and the outer surface of the first ball screw 12 is rotationally engaged with the moving block 8, so that the staff rotates the first ball screw 12 to drive the moving block 8 to move on the inner wall of the second sliding groove 11, thereby driving the hydraulic cylinder 9 and the interface support plate 10 to move, so that the interface support plate 10 can be located at the interface of the two metal pipes when butt welding metal pipes of different lengths.

[0024] Secondly, two cuboid-shaped first support plates 13 are fixedly connected to the upper surface of the base 1, a columnar first guide rail 14 is fixedly connected between the opposite side surfaces of the two first support plates 13, the outer surface of the first guide rail 14 is slidably connected to the two moving plates 2, a double-head screw 15 is rotationally connected between the opposite side surfaces of the two first support plates 13, the outer surface of the double-head screw 15 is rotationally engaged with the two moving plates 2, and one end of the double-head screw 15 is fixedly connected to the output end of the motor after penetrating through the first support plate 13 to the side surface thereof, so that the motor drives the double-head screw 15 to rotate under the limiting action of the first guide rail 14, thereby driving the two moving plates 2 to slide relative to each other, so that the two metal pipes can be butt-jointed and suitable for clamping metal pipes of different lengths, thereby improving the versatility of the device.

[0025] Referring to Figure 2 The second guide rail 16 of the device is fixedly connected to the inner wall of the first sliding groove 6, the outer surface of the second guide rail 16 is slidably connected to the two clamping plates 7, the second ball screw 17 is rotationally connected to the inner wall of the first sliding groove 6, and the outer surface of the second ball screw 17 is rotationally engaged with the two clamping plates 7, so that the staff rotates the second ball screw 17 to drive the two clamping plates 7 to slide relative to each other or away from each other under the limiting action of the second guide rail 16, thereby improving the practicability and flexibility of the device.

[0026] Meanwhile, the worm gear 18 is fixedly connected to the outer surface of the rotating column 5, the two plate-shaped second support plates 19 are fixedly connected to the side surfaces of the moving plates 2, the worm 20 is rotationally connected between the opposite side surfaces of the two second support plates 19, the outer surface of the worm 20 is meshed with the outer surface of the worm gear 18, and the lower end of the worm 20 is fixedly connected to the output end of the motor after penetrating through the second support plate 19 to the lower surface thereof, so that the motor drives the worm 20 to rotate, thereby driving the worm gear 18, the rotating column 5, and the rotating ring 4 to rotate under the meshing action of the outer surfaces of the worm 20 and the worm gear 18, thereby driving the clamped metal pipe to rotate, and further quickly adjusting the welding angle of the metal pipe, so as to quickly complete the all-around welding of the metal pipe interface and improve the welding efficiency.

[0027] The implementation principle of the butt joint device for metal pipe welding provided in the embodiments of the present application is as follows: in use, according to the different lengths of the metal pipes, under the limiting action of the first guide rail 14, the double-end screw 15 is driven to rotate by the motor, thereby driving the two moving plates 2 to slide relative to each other or away from each other to a suitable position, so that the subsequent metal pipe can be clamped at a position slightly outward of the middle of the metal pipe, then the metal pipe is placed in the first sliding groove 6 through the installation slot 3 between the two clamping plates 7, then under the limiting action of the second guide rail 16, the two clamping plates 7 are driven to slide relative to each other by the worker rotating the second ball screw 17, so that the metal pipes of different diameters can be stably clamped and fixed, then the worker rotates the first ball screw 12, thereby driving the moving block 8 to move in the inner wall of the second sliding groove 11, thereby driving the hydraulic cylinder 9 and the interface support plate 10 to move, so that the interface support plate 10 is located at the middle position of the opposite end faces of the two metal pipes, then the interface support plate 10 is driven to move upward by the hydraulic cylinder 9, so that the upper surface of the interface support plate 10 is in contact with the outer surface of the metal pipe, thereby supporting the interface of the two metal pipes by the interface support plate 10, then the double-end screw 15 is rotated again, so that the two moving plates 2 slide relative to each other, thereby driving the two metal pipes to realize butt joint, then the interface of the metal pipe is welded, and at the same time of welding, the worm 20 is driven to rotate by the motor, thereby driving the worm wheel 18, the rotating column 5 and the rotating ring 4 to rotate under the meshing action of the outer surfaces of the worm 20 and the worm wheel 18, thereby driving the clamped metal pipe to rotate, so that the welding angle of the metal pipe can be quickly adjusted, so that the worker can quickly weld the interface of the metal pipe in all directions, and the welding efficiency is improved.

[0028] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0029] Secondly: the present application only relates to the structure involved in the embodiments of the present application, other structures can refer to the usual design, and in the case of no conflict, the same embodiments and different embodiments of the present application can be combined with each other;

[0030] Finally: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

[0031] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A butt-welding device for metal pipes comprising a base (1), characterized in that: The upper surface of the base (1) is slidably connected with two moving plates (2), the side surface of the moving plate (2) is throughly provided with an installation slot (3), the inner wall of the installation slot (3) is rotatably connected with a rotating ring (4), the side surface of the rotating ring (4) is fixedly connected with a rotating column (5), the side surface of the rotating column (5) is throughly provided with a first sliding slot (6), the inner wall of the first sliding slot (6) is slidably connected with two clamping plates (7), the upper surface of the base (1) is slidably connected with a moving block (8), the upper surface of the moving block (8) is fixedly connected with two hydraulic cylinders (9), the moving block (8) is slidably connected with an interface support plate (10) through the two hydraulic cylinders (9).

2. A butt-welding apparatus for metal pipes according to claim 1, characterized in that: The upper surface of the base (1) is provided with a second sliding slot (11), the inner wall of the second sliding slot (11) is rotatably connected with a first ball screw (12), and the outer surface of the first ball screw (12) is screwing with the moving block (8).

3. A butt-welding apparatus for metal pipes according to claim 1, wherein: The upper surface of the base (1) is fixedly connected with two first support plates (13), the opposite side surfaces of the two first support plates (13) are fixedly connected with a first guide rail (14), and the outer surface of the first guide rail (14) is slidably connected with the two moving plates (2), the opposite side surfaces of the two first support plates (13) are rotatably connected with a double-head screw (15), and the outer surface of the double-head screw (15) is screwing with the two moving plates (2).

4. The butt-welding apparatus for metal pipes according to claim 1, characterized by: The inner wall of the first sliding slot (6) is fixedly connected with a second guide rail (16), and the outer surface of the second guide rail (16) is slidably connected with the two clamping plates (7), the inner wall of the first sliding slot (6) is rotatably connected with a second ball screw (17), and the outer surface of the second ball screw (17) is screwing with the two clamping plates (7).

5. The butt-welding apparatus for metal pipes according to claim 1, characterized by: The outer surface of the rotating column (5) is fixedly connected with a worm wheel (18), the side surface of the moving plate (2) is fixedly connected with two second support plates (19), the opposite side surfaces of the two second support plates (19) are rotatably connected with a worm (20), and the outer surface of the worm (20) is meshed with the outer surface of the worm wheel (18).

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