Circumferential welding machine

Abstract

The utility model relates to the technical field of welding machines, and discloses a circumferential welding machine, which is provided with an x direction, a y direction and a z direction which are intersected pairwise, and comprises a machine box provided with a box door used for opening or closing the machine box; the positioner is arranged at the lower part in the case; the clamp assembly is mounted on the positioner, and the clamp assembly is used for clamping a workpiece; the moving device is arranged at the upper part in the case; the welding gun is mounted on the moving device; the gun cleaning device is arranged in the machine case and located on one side of the clamp assembly; wherein the positioner is a double-shaft positioner and is configured to drive the clamp assembly to rotate in the x direction and the z direction, and the moving device is configured to enable the welding gun to move in the x direction, the y direction and the z direction. The circumferential welding machine is suitable for welding workpieces at different angle positions, and the welding efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of welding machine technology, and in particular to a circumferential welding machine. Background Technology

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature, or high pressure. There are many energy sources for welding, including gas flames, electric arcs, lasers, electron beams, friction, and ultrasound. Circular welding machines are devices used for welding circular or annular workpieces and are widely used in pipelines, pressure vessels, automotive parts, and other fields. Currently, circular welding machines only allow the workpiece to rotate horizontally within the machine, making them suitable for welding horizontally positioned welds but not for welding workpieces with inclined welds, resulting in low welding efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a circumferential welding machine that can adapt to welding workpieces at different angles and positions, thereby improving welding efficiency.

[0004] To achieve the above objectives, this utility model provides a circumferential welding machine having intersecting x-axis, y-axis, and z-axis directions, comprising:

[0005] A chassis having a door for opening or closing the chassis;

[0006] The positioner is located in the lower part of the chassis;

[0007] A clamping assembly is mounted on the positioner and is used to clamp the workpiece;

[0008] The mobile device is located in the upper part of the chassis;

[0009] A welding torch, mounted on the mobile device; and

[0010] A gun cleaner is disposed in the housing and located on one side of the clamp assembly;

[0011] The positioner is a dual-axis positioner configured to drive the fixture assembly to rotate about the x-axis and the z-axis, and the moving device is configured to move the welding gun along the x-axis, the y-axis and the z-axis.

[0012] In some embodiments, an exhaust fan is included, which is located on the top of the chassis and communicates with the internal space of the chassis.

[0013] In some embodiments, the positioner includes a first motor, a second motor, a bracket, and a turntable. The first motor is rotatably mounted in the bracket, the second motor is mounted on the outer wall of the bracket, and the turntable is mounted on top of the first motor. The first motor is configured to drive the turntable to rotate about the z-axis, and the second motor is configured to drive the first motor to rotate about the x-axis. The clamping assembly is mounted on the turntable.

[0014] In some embodiments, a partition is provided inside the chassis, the partition extends along the z-direction, and the partition divides the chassis into two workstations, each of which is provided with a set of positioners, fixture assemblies, moving devices, welding guns and gun cleaners.

[0015] In some embodiments, the fixture assembly includes a positioning fixture and two clamping cylinders, with the two clamping cylinders correspondingly disposed on both sides of the positioning fixture. The positioning fixture is used to position the workpiece, and the clamping cylinders are used to clamp the workpiece on the positioning fixture.

[0016] In some embodiments, a wire feeder is included, which is mounted on the side wall of the housing and is used to feed welding wire to the welding gun.

[0017] In some embodiments, the moving device includes an x-axis guide rail, a y-axis guide rail, and a first z-axis guide rail. The x-axis guide rail and the y-axis guide rail are mounted on the upper part of the chassis. The y-axis guide rail is disposed on the x-axis guide rail, and the first z-axis guide rail is disposed on the y-axis guide rail. The welding gun is mounted on the first z-axis guide rail.

[0018] In some embodiments, a clamping device is included, which includes a second Z-axis guide rail, a clamping cylinder, and a pressure cover. The second Z-axis guide rail is installed on the inner wall of the chassis, the clamping cylinder is disposed on the second Z-axis guide rail, and the pressure cover is installed on the power output end of the clamping cylinder.

[0019] In some embodiments, the clamping device includes a third motor, and the clamping cylinder is mounted on the second z-axis guide rail via the third motor. The third motor is mounted on the second z-axis guide rail, and the clamping cylinder is connected to the power output end of the third motor. The third motor is used to drive the clamping cylinder to rotate around the x-axis.

[0020] In some embodiments, the positioner drives the clamp assembly to rotate about the x-axis by an angle of 40-50°.

[0021] This utility model provides a circumferential welding machine, which has the following advantages compared with the prior art:

[0022] The positioner is a dual-axis positioner configured to drive the clamping assembly to rotate around the x-axis and the z-axis. The moving device is configured to move the welding gun along the x-axis, the y-axis, and the z-axis. The clamping assembly is mounted on the positioner to clamp the workpiece, which can adapt to welding at different angles and positions of the workpiece and improve welding efficiency. Attached Figure Description

[0023] Figure 1 A schematic diagram of the front axial side structure of the circumferential welding machine provided in this embodiment of the utility model.

[0024] Figure 2 This is a front view structural diagram of a circumferential welding machine with part of its casing removed, provided in an embodiment of this utility model.

[0025] Figure 3 This is a top view of the circumferential welding machine provided in an embodiment of the present invention.

[0026] Figure 4 This is a schematic diagram of the right-side axial structure of a circumferential welding machine with a portion of its casing removed, as provided in an embodiment of this utility model.

[0027] Figure 5 This is an enlarged structural diagram of the positioner and fixture assembly of the circumferential welding machine provided in an embodiment of the present utility model.

[0028] In the diagram: 1. Chassis; 11. Chassis door; 12. Partition; 2. Positioner; 21. First motor; 22. Second motor; 23. Bracket; 24. Turntable; 3. Fixture assembly; 31. Positioning fixture; 32. Clamping cylinder; 4. Moving device; 41. X-axis guide rail; 42. Y-axis guide rail; 43. First Z-axis guide rail; 5. Welding gun; 6. Gun cleaner; 7. Exhaust fan; 8. Wire feeder; 9. Pressing device; 91. Second Z-axis guide rail; 92. Pressing cylinder; 93. Pressure cap; 94. Third motor. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0030] It should be understood that in the description of this application, the terms "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used solely for the convenience of describing this application and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. That is, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Furthermore, unless otherwise stated, "a plurality of" means two or more.

[0031] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0032] like Figures 1-5 As shown, the circular welding machine of this utility model embodiment has intersecting x, y, and z directions, and includes a housing 1, a positioner 2, a clamping assembly 3, a moving device 4, a welding torch 5, and a torch cleaner 6. The torch cleaner 6 is capable of cleaning impurities adhering to the welding torch 5, cutting longer welding wires, and spraying anti-spatter fluid during the welding process.

[0033] The housing 1 has a door 11 for opening or closing the housing 1. The positioner 2 is located in the lower part of the housing 1. The clamping assembly 3 is mounted on the positioner 2 and is used to clamp the workpiece; the moving device 4 is located in the upper part of the housing 1; the welding torch 5 is mounted on the moving device 4; and the torch cleaner 6 is located in the housing 1 and is situated on one side of the clamping assembly 3.

[0034] In this embodiment, the positioner 2 is a dual-axis positioner, configured to drive the fixture assembly 3 to rotate around the x-axis and z-axis, and the moving device 4 is configured to move the welding gun 5 along the x-axis, y-axis and z-axis.

[0035] During operation, the workpiece is fixed on the positioner 2 by the clamp assembly 3. The relative position of the welding gun 5 and the workpiece is adjusted by the moving device 4. The positioner 2 is started to rotate the workpiece around the x-axis, so that the workpiece can be tilted at a certain angle relative to the horizontal plane. The workpiece can be rotated one revolution in the z-axis to facilitate the welding gun 5 to perform circumferential welding on the workpiece.

[0036] Based on the above structural setup, the positioner 2 drives the fixture assembly 3 to rotate around the x-axis and z-axis, and the moving device 4 moves the welding gun 5 along the x-axis, y-axis and z-axis, which can adapt to welding at different angles and positions of the workpiece and improve welding efficiency.

[0037] like Figure 1As shown, in some embodiments, an exhaust fan 7 is included, which is located on the top of the housing 1 and communicates with the internal space of the housing 1. The exhaust fan 7 can remove the dust generated during the welding process, keeping the inside of the housing 1 clean.

[0038] like Figure 2 and 5 As shown, in some embodiments, the positioner 2 includes a first motor 21, a second motor 22, a bracket 23, and a turntable 24. The first motor 21 is rotatably mounted in the bracket 23, the second motor 22 is mounted on the outer wall of the bracket 23, and the turntable 24 is mounted on top of the first motor 21. The first motor 21 is configured to drive the turntable 24 to rotate about the z-axis, and the second motor 22 is configured to drive the first motor 21 to rotate about the x-axis. Specifically, the first motor 21 is mounted in the bracket 23 via a rotating shaft, and the spindle of the second motor 22 is driven by the rotating shaft to make the first motor 21 rotate within the bracket 23. The clamping assembly 3 is mounted on the turntable 24. Thus, by activating the first motor 21 and the second motor 22, the workpiece can be rotated in the x-axis and z-axis directions.

[0039] like Figure 2 As shown, in some embodiments, a partition 12 is provided inside the chassis 1, extending along the z-direction. The partition 12 divides the chassis 1 into two workstations, each workstation corresponding to a set of positioners 2, fixture assemblies 3, moving devices 4, welding guns 5, and gun cleaners 6. By setting up two workstations, the welding efficiency can be improved.

[0040] like Figure 5 As shown, in some embodiments, the fixture assembly 3 includes a positioning fixture 31 and two clamping cylinders 32. The two clamping cylinders 32 are respectively disposed on both sides of the positioning fixture 31. The positioning fixture 31 is used to position the workpiece, and the clamping cylinders 32 are used to clamp the workpiece on the positioning fixture 31. In this way, the position of the workpiece is stabilized, and the accuracy of welding is improved.

[0041] like Figure 1 As shown, in some embodiments, a wire feeder 8 is included, which is mounted on the side wall of the housing 1 and is used to feed welding wire to the welding gun 5. Specifically, a circular hole is provided in the housing 1 so that the welding wire can pass through the housing 1 and be fed to the welding gun 5.

[0042] like Figure 3 and 4 As shown, in some embodiments, the moving device 4 includes an x-axis guide rail 41, a y-axis guide rail 42, and a first z-axis guide rail 43. The x-axis guide rail 41 and the y-axis guide rail 42 are mounted on the upper part of the housing 1. The y-axis guide rail 42 is disposed on the x-axis guide rail 41, and the first z-axis guide rail 43 is disposed on the y-axis guide rail 42. The welding gun 5 is mounted on the first z-axis guide rail 43. All three guide rails—x-axis guide rail 41, y-axis guide rail 42, and first z-axis guide rail 43—are electrically operated.

[0043] like Figure 3 and 4 As shown, in some embodiments, a clamping device 9 is included. The clamping device 9 includes a second z-axis guide rail 91, a clamping cylinder 92, and a pressure cap 93. The second z-axis guide rail 91 is mounted on the inner wall of the housing 1, the clamping cylinder 92 is disposed on the second z-axis guide rail 91, and the pressure cap 93 is mounted on the power output end of the clamping cylinder 92. In this way, the clamping device 9 can clamp the workpiece along the z-axis, further improving the stability of the workpiece position.

[0044] like Figure 4 As shown, in some embodiments, the clamping device includes a third motor 94, and a clamping cylinder 92 is mounted on a second z-axis guide rail 91 via the third motor 94. The third motor 94 is connected to the power output end of the third motor 94, which drives the clamping cylinder 92 to rotate around the x-axis. The third motor 94 can adjust the deflection angle of the pressure cap 93 around the x-axis, thereby correspondingly adapting to the position of the workpiece deflected around the z-axis, which is beneficial for the pressure cap 93 to clamp the top of the workpiece.

[0045] In some embodiments, the positioner 2 drives the fixture assembly 3 to rotate 40-50° around the x-axis. Specifically, during welding, the welding gun 5 remains stationary, and the workpiece rotates 370° around the z-axis to complete the entire circumference welding. After welding is completed, the workpiece rotates 10° around the z-axis to return to its original position.

[0046] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A circular welding machine, comprising intersecting x-axis, y-axis, and z-axis directions, characterized in that, include: A chassis having a door for opening or closing the chassis; The positioner is located in the lower part of the chassis; A clamping assembly is mounted on the positioner and is used to clamp the workpiece; The mobile device is located in the upper part of the chassis; A welding gun is mounted on the mobile device; as well as A gun cleaner is disposed in the housing and located on one side of the clamp assembly; The positioner is a dual-axis positioner configured to drive the fixture assembly to rotate about the x-axis and the z-axis, and the moving device is configured to move the welding gun along the x-axis, the y-axis and the z-axis.

2. The circumferential welding machine according to claim 1, characterized in that, It includes an exhaust fan, which is located on the top of the chassis and is connected to the internal space of the chassis.

3. The circumferential welding machine according to claim 1, characterized in that, The positioner includes a first motor, a second motor, a bracket, and a turntable. The first motor is rotatably mounted in the bracket, the second motor is mounted on the outer wall of the bracket, and the turntable is mounted on top of the first motor. The first motor is configured to drive the turntable to rotate around the z-axis, and the second motor is configured to drive the first motor to rotate around the x-axis. The clamping assembly is mounted on the turntable.

4. The circumferential welding machine according to claim 1, characterized in that, The chassis is provided with a partition that extends along the z-direction and divides the chassis into two workstations. Each workstation is provided with a set of positioners, fixture assemblies, moving devices, welding guns, and gun cleaners.

5. The circumferential welding machine according to claim 1, characterized in that, The fixture assembly includes a positioning fixture and two clamping cylinders. The two clamping cylinders are respectively disposed on both sides of the positioning fixture. The positioning fixture is used to position the workpiece, and the clamping cylinders are used to clamp the workpiece on the positioning fixture.

6. The circumferential welding machine according to claim 1, characterized in that, The device includes a wire feeder, which is mounted on the side wall of the housing and is used to feed welding wire to the welding gun.

7. The circumferential welding machine according to claim 1, characterized in that, The moving device includes an x-axis guide rail, a y-axis guide rail, and a first z-axis guide rail. The x-axis guide rail and the y-axis guide rail are installed in the upper part of the chassis. The y-axis guide rail is located on the x-axis guide rail, and the first z-axis guide rail is located on the y-axis guide rail. The welding gun is installed on the first z-axis guide rail.

8. The circumferential welding machine according to claim 1, characterized in that, The device includes a clamping device, which comprises a second Z-axis guide rail, a clamping cylinder, and a pressure cover. The second Z-axis guide rail is installed on the inner wall of the housing, the clamping cylinder is located on the second Z-axis guide rail, and the pressure cover is installed on the power output end of the clamping cylinder.

9. The circumferential welding machine according to claim 8, characterized in that, The clamping device includes a third motor, and the clamping cylinder is mounted on the second z-axis guide rail via the third motor. The third motor is mounted on the second z-axis guide rail, and the clamping cylinder is connected to the power output end of the third motor. The third motor is used to drive the clamping cylinder to rotate around the x-axis.

10. The circumferential welding machine according to claim 1, characterized in that, The positioner drives the clamp assembly to rotate around the x-axis by an angle of 40-50°.

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