CN214444301U

CN214444301U - Pipe butt welding machine

Info

Publication number: CN214444301U
Application number: CN202120530635.8U
Authority: CN
Inventors: 张骏; 胡耀; 罗黑皮; 徐德泉; 李猛; 廖志林
Original assignee: Tianjin Jiuan Machinery Manufacturing Co ltd
Current assignee: Tianjin Jiuan Machinery Manufacturing Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-10-22
Anticipated expiration: 2031-03-15

Abstract

The application provides a pipe butt welding machine, which comprises a welding mechanism and calipers; the welding structure comprises a driving assembly and a welding gun; the driving assembly comprises a gear ring which can rotate relatively and is provided with an opening; the welding gun is arranged on the gear ring through the adjusting frame; the calipers are positioned at two sides of the welding mechanism and comprise screw rods vertical to the axis direction of the gear ring; two ends of the screw rod are respectively provided with reverse threads and matched clamping jaws; the jack catch is arc-shaped and coaxial with the gear ring. According to the technical scheme provided by the embodiment of the application, the calipers are respectively arranged on the two sides of the welding mechanism, so that two pipe fittings can be clamped simultaneously, and compared with the prior art, the welding mechanism is not required to be fixed through spot welding, and the working efficiency is effectively improved; simultaneously, calliper adopts the reverse screw thread at lead screw cooperation both ends to drive the jack catch simultaneously, can ensure that the central point of two callipers is located same straight line all the time, therefore can carry out automatic alignment to two pipe fittings, can effectively improve welding quality.

Description

Pipe butt welding machine

Technical Field

The application relates to the technical field of steel processing, in particular to a pipe butt welding machine.

Background

The pipeline welding equipment generally comprises a rotating device and a welding gun; the rotating device comprises a base and a machine head connected to the base through a spindle box, the machine head is driven by a main motor to rotate, the machine head comprises a rotating device and a welding chuck used for fixing a workpiece, the welding chuck is connected with the main motor through the rotating device, and the main motor drives the welding chuck to rotate so as to drive the workpiece to rotate.

Because the chuck can only clamp one end of the pipe fitting, when the pipe fitting needs to be butted, two welded pipe fittings need to be connected in advance through spot welding and then welded, and a spot welding procedure is added in the operation steps, so that the production efficiency is reduced.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a pipe-to-pipe butt weld machine.

The application provides a pipe butt welding machine, which comprises a welding mechanism and calipers; the welding structure comprises a driving assembly and a welding gun; the driving assembly comprises a gear ring which can rotate relatively and is provided with an opening; the welding gun is arranged on the gear ring through the adjusting frame; the calipers are positioned at two sides of the welding mechanism and comprise screw rods vertical to the axis direction of the gear ring; two ends of the screw rod are respectively provided with reverse threads and matched clamping jaws; the jack catch is arc-shaped and coaxial with the gear ring.

Furthermore, external teeth are arranged on the gear ring along the circumferential direction and are driven by a servo motor; the servo motor is connected with the gear ring through a gear set.

Further, the gear set comprises a pinion arranged on the servo motor and two transmission gears butted with the gear ring; the small gear is positioned between the two transmission gears and performs variable-speed transmission on the transmission gears through the large gear; the bull gear and the transmission gear are butted through a matched intermediate gear.

Furthermore, the clamping jaw is provided with a mounting plate corresponding to the screw rod; the mounting plate is provided with a matched threaded hole corresponding to the screw rod.

Further, the device also comprises a sliding rod; the sliding rod is parallel to the screw rod and used for limiting the relative rotation of the mounting plate around the screw rod; the mounting plate is provided with corresponding through holes corresponding to the sliding rods.

Furthermore, a rotating hand wheel is also included; the rotating hand wheel is fixedly arranged at one end of the screw rod.

Further, the adjusting frame comprises a radial adjusting component and an axial adjusting component; the radial adjustment assembly comprises a radial guide rail; the radial guide rail is fixedly arranged on the gear ring, and the axial direction is the same as the radial direction of the gear ring; the axial adjusting assembly comprises an axial guide rail which is slidably arranged on the radial guide rail; the axial guide rail is vertical to the radial guide rail; the welding gun is arranged on the axial guide rail.

The application has the advantages and positive effects that:

according to the technical scheme, the calipers are respectively arranged on the two sides of the welding mechanism, so that two pipe fittings can be clamped simultaneously, and compared with the prior art, the welding mechanism is not required to be fixed through spot welding, and the working efficiency is effectively improved; simultaneously, calliper adopts the reverse screw thread at lead screw cooperation both ends to drive the jack catch simultaneously, can ensure that the central point of two callipers is located same straight line all the time, therefore can carry out automatic alignment to two pipe fittings, can effectively improve welding quality.

Drawings

FIG. 1 is a schematic structural diagram of a pipe butt welding machine according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a caliper of a pipe butt welding machine according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a gear set of a pipe butt welder according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of an adjustment frame of a pipe butt welding machine according to an embodiment of the present application.

The text labels in the figures are represented as: 100-a caliper; 110-a screw rod; 120-jaw; 130-a mounting plate; 140-a slide bar; 150-turning the hand wheel; 200-a welding gun; 210-a radial guide; 220-axial guide rail; 300-a gear ring; 301-a transmission gear; 310-a servo motor; 311-pinion gear; 320-gearwheel; 321-intermediate gear.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1-4, the present embodiment provides a pipe butt welding machine, which includes a welding mechanism and a caliper 100; calipers 100 are located on both sides of the welding mechanism; the welding mechanism comprises a driving assembly and a welding gun 200; the drive assembly comprises a ring gear 300 coaxial with the two calipers 100 and capable of rotating relatively; the welding gun 200 is arranged on the gear ring 300 through an adjusting frame and can synchronously rotate along with the gear ring 300; during welding, the two pipe fittings are respectively clamped by the two calipers, and the gear ring 300 drives the welding gun 200 to rotate around the butt joint part, so that the welding of the two pipelines can be completed.

Referring to fig. 2, in a preferred embodiment, the caliper 100 includes a screw rod 110 disposed along a direction perpendicular to the axis of the gear ring 300, wherein two ends of the screw rod 110 are respectively provided with threads with opposite turning directions, and are respectively in threaded connection with the jaws 120; because the two ends of the screw rod 110 are reverse threads, when the screw rod 110 is rotated, the two claws 120 can be driven to move in the opposite direction or in the opposite direction, and the synchronous movement can ensure that the central point is always positioned at the same position, so that the automatic centering of the two pipes can be realized.

Preferably, the claw 120 is arc-shaped, coaxial with the gear ring 300, and is provided with a mounting plate 130 corresponding to the screw rod 110; the mounting plate 130 is provided with a matching threaded hole corresponding to the threaded rod 110.

Preferably, the mounting plate 130 is further provided with a through hole in the same direction as the threaded hole, and is slidably connected with the sliding rod 140 through the through hole; the sliding rod 140 is parallel to the screw rod 110 and is used for limiting the relative rotation of the mounting plate 130 around the screw rod 110.

Preferably, the screw 110 is driven by a rotating handwheel 150, the rotating handwheel 150 being fixedly mounted at one end of the screw 110.

Referring further to fig. 3, in a preferred embodiment, the gear ring 300 is provided with a notch and external teeth around the circumference; the notch is used for a pipeline to pass through, and the outer teeth are used for being connected with the servo motor 310; the servo motor 310 is connected with the ring gear 300 through a gear set.

Preferably, the gear assembly comprises a pinion 311 mounted on the servomotor 310 and two transmission gears 301 interfacing with the ring gear 300; the span between two transmission gears 301 is larger than the opening on the gear ring 300, and the other transmission gear 301 can drive the gear ring 300 when the opening rotates to any one transmission gear 301.

Preferably, the small gear 311 is connected with the transmission gear 301 through the large gear 320 and the intermediate gear 321; the large gear 320 is positioned between the two transmission gears 301 and is directly butted with the small gear 301; the large gear 320 is connected with the two transmission gears 301 through intermediate gears 321.

Referring further to FIG. 4, in a preferred embodiment, the adjustment mount includes a radial adjustment assembly and an axial adjustment assembly for adjusting the distance and position of the torch 200 from the pipe, respectively; after the two calipers clamp the pipeline, the welding gun 200 is adjusted to a specified position to be matched with the gear ring 300 to perform girth welding on the welding line.

Preferably, the radial adjustment assembly includes a radial guide 210; the radial guide 210 is fixedly mounted on the ring gear 300, and the axial direction is the same as the radial direction of the ring gear 300.

Preferably, the axial adjustment assembly includes an axial guide 220 slidably mounted on the radial guide 210, the axial guide 220 being disposed perpendicular to the radial guide 210 and having one end to which the welding torch 200 is mounted.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the present application.

Claims

1. A pipe butt welding machine is characterized by comprising a welding mechanism and calipers (100); the welding mechanism includes a drive assembly and a welding gun (200); the driving assembly comprises a gear ring (300) which can rotate relatively and is provided with an opening; the welding gun (200) is arranged on the gear ring (300) through an adjusting frame; the calipers (100) are positioned on two sides of the welding mechanism and comprise screw rods (110) which are vertical to the axial direction of the gear ring (300); two ends of the screw rod (110) are respectively provided with reverse threads and matched clamping jaws (120); the clamping jaw (120) is arc-shaped and coaxial with the gear ring (300).

2. The pipe-to-pipe welder according to claim 1, characterized in that the gear ring (300) is provided with external teeth along the circumferential direction and is driven by a servo motor (310); the servo motor (310) is connected with the gear ring (300) through a gear set.

3. The pipe-to-pipe welder according to claim 2, characterized in that said gear train comprises a pinion (311) mounted on said servo motor (310) and two transmission gears (301) interfacing with said ring gear (300); the small gear (311) is positioned between the two transmission gears (301), and the transmission gears (301) are subjected to variable-speed transmission through the large gear (320); the bull gear (320) is in butt joint with the transmission gear (301) through a matched intermediate gear (321).

4. The pipe-to-pipe welding machine according to claim 1, wherein a mounting plate (130) is provided on the jaw (120) corresponding to the screw (110); and the mounting plate (130) is provided with a matched threaded hole corresponding to the screw rod (110).

5. The pipe-to-pipe welder according to claim 4, further comprising a slide bar (140); the sliding rod (140) is parallel to the screw rod (110) and is used for limiting the relative rotation of the mounting plate (130) around the screw rod (110); the mounting plate (130) is provided with corresponding through holes corresponding to the sliding rods (140).

6. The pipe butt welder according to claim 1, further comprising a turning handwheel (150); the rotating hand wheel (150) is fixedly arranged at one end of the screw rod (110).

7. The pipe butt welder of claim 1, wherein the adjustment bracket comprises a radial adjustment assembly and an axial adjustment assembly; the radial adjustment assembly includes a radial guide rail (210); the radial guide rail (210) is fixedly arranged on the gear ring (300), and the axial direction is the same as the radial direction of the gear ring (300); the axial adjustment assembly comprises an axial guide rail (220) slidably mounted on the radial guide rail (210); the axial guide rail (220) is perpendicular to the radial guide rail (210); the welding gun (200) is mounted on the axial guide rail (220).