Oil drum laser welding machine

Abstract

The utility model relates to an oil drum laser welding machine which comprises a base, a fixed clamp mechanism, a movable clamp mechanism and a welding mechanism are arranged on the base, the welding mechanism comprises a first base plate, a worm gear type outer gear ring, a worm, a laser welding gun and a first motor, the first base plate is vertically arranged on the base, and a mounting ring is formed on the first base plate; an annular groove is formed in the mounting ring, the worm gear type outer gear ring is rotationally arranged in the annular groove, the end face of the worm gear type outer gear ring protrudes out of the annular groove, the worm is rotationally arranged on the mounting ring, meshed with the worm gear type outer gear ring and in transmission connection with the first motor arranged on the mounting ring, and the laser welding gun is arranged on the end face, protruding out of the annular groove, of the worm gear type outer gear ring. According to the oil drum laser welding machine, the oil drum sections are kept different during welding, so that axis deviation during rotation of the large oil drum sections is prevented, and the welding quality is guaranteed.

Description

Technical Field

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

[0002] Oil drums are cylindrical containers. When producing taller oil drums, they are often butt-welded, which involves aligning the open ends of two drum sections and welding the joint. Currently, the common practice is for workers to weld the joint by rotating the two sections with a welding torch. However, this method requires skilled workers, is labor-intensive, and inefficient. Other methods use a mechanical structure to rotate the two sections while a fixed welding torch is used for welding. However, when applied to larger oil drums, the increased volume and weight of the drum sections result in significant inertia during rotation, making it difficult to maintain axial stability and increasing the risk of weld misalignment.

[0003] To address the aforementioned problems, this utility model provides improvements. Utility Model Content

[0004] This utility model proposes a laser welding machine for oil drums, which solves the above-mentioned problems existing in the use of the prior art.

[0005] The technical solution of this utility model is implemented as follows:

[0006] A laser welding machine for oil drums includes a base, on which a fixed clamping mechanism and a movable clamping mechanism are disposed. A welding mechanism is disposed on the base between the fixed and movable clamping mechanisms. The welding mechanism includes a first base plate, a worm gear external gear ring, a worm, a laser welding gun, and a first motor. The first base plate is vertically disposed on the base between the fixed and movable clamping mechanisms, and a mounting ring is formed on the first base plate. An annular groove matching the worm gear external gear ring is formed on the mounting ring. The worm gear external gear ring is rotatably disposed within the annular groove, with its end face protruding from the groove. The worm is rotatably disposed on the mounting ring and meshes with the worm gear external gear ring, and is drively connected to the first motor disposed on the mounting ring. The laser welding gun is disposed on the end face of the worm gear external gear ring protruding from the annular groove, with the working end of the laser welding gun facing the straight line of the center of the worm gear external gear ring.

[0007] Preferably, the fixing clamp mechanism includes a second base plate, a first clamping arm, and a first locking screw. The second base plate is fixedly erected on the base and located on one side of the first base plate. A plurality of the first clamping arms are arranged in a worm gear-type external gear ring in a circular array and can be slidably disposed on the second base plate along the diameter of the circle where the array center is located. The first locking screw is rotatably disposed on the second base plate and screwed to the first clamping arm.

[0008] Preferably, the movable clamping mechanism includes a third base plate, a second clamping arm, and a second locking screw. The third base plate is slidably and vertically mounted on the base on the other side of the base plate along a direction parallel to the center line of the worm gear external gear ring. A plurality of the second clamping arms are arranged in a circular array around the center of the worm gear external gear ring and are slidably mounted on the third base plate along the diameter of the circle containing the array center. The second locking screw is rotatably mounted on the third base plate and screwed to the first clamping arm. The base is provided with a first transmission screw that is drivenly connected to a second motor mounted on the base and screwed to the third base plate.

[0009] Preferably, the base is provided with two linear slide rails parallel to the line where the center of the worm gear external gear ring is located. The first base plate and the third base plate are fixedly connected to the sliding seat of the linear slide rails. The base is provided with a first sliding groove and a second sliding groove. The third base plate is formed with a first transmission seat that passes through the first sliding groove and is screwed to the first transmission screw. The first base plate is formed with a second transmission seat that passes through the second sliding groove. The base is rotatably provided with a second transmission screw that is driven and connected to the third motor provided on the base and screwed to the second transmission seat.

[0010] Preferably, the worm gear external gear ring protrudes from the end face of the annular groove and is fixedly connected to a mounting bracket. The mounting bracket is provided with a connecting seat that can slide along the diameter direction of the worm gear external gear ring. The laser welding gun is fixedly connected to the connecting seat, and an adjusting screw screwed to the mounting bracket is rotatably connected to the connecting seat.

[0011] Preferably, at least two guide rods passing through the mounting bracket are fixedly connected to the connecting seat.

[0012] Preferably, a first extension arm that can slide along the length direction of the first clamping arm is provided on the inner end face of the first clamping arm. A first adjustment groove extending along the length direction of the first clamping arm is provided on the first clamping arm. A first sliding screw passing through the first adjustment groove is fixedly connected to the first extension arm. A first locking nut that abuts against the first clamping arm is screwed onto the first sliding screw. A second extension arm that can slide along the length direction of the second clamping arm is provided on the inner end face of the second clamping arm. A second adjustment groove extending along the length direction of the second clamping arm is provided on the second clamping arm. A second sliding screw passing through the second adjustment groove is fixedly connected to the second extension arm. A second locking nut that abuts against the second clamping arm is screwed onto the second sliding screw.

[0013] In summary, the beneficial effects of this utility model are as follows: when welding two oil drum sections, this oil drum laser welding machine does not require the oil drum sections to rotate, thus preventing the shaft center from shifting during rotation and ensuring the welding quality. Moreover, the welding efficiency is high, making it particularly suitable for welding large oil drums. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0017] Figure 3 This is an exploded view of the present invention;

[0018] Figure 4 for Figure 1 Enlarged view of point A in the middle;

[0019] Figure 5 This is a schematic diagram of the structure of the first clamping arm and the second clamping arm in this utility model.

[0020] In the diagram: 1. Base; 11. Linear slide rail; 12. First transmission screw; 13. Second motor; 14. Second transmission screw; 15. Third motor; 16. First sliding groove; 17. Second sliding groove; 2. Fixing clamp mechanism; 21. Second base plate; 22. First clamping arm; 221. First extension arm; 222. First adjusting groove; 223. First sliding screw; 224. First locking nut; 23. First locking screw; 3. Movable clamp mechanism; 31. Third base plate; 311 32. First transmission seat; 32. Second clamping arm; 321. Second extension arm; 322. Second adjusting groove; 323. Second sliding screw; 324. Second locking nut; 33. Second locking screw; 4. Welding mechanism; 41. First base plate; 411. Mounting ring; 412. Ring groove; 413. Second transmission seat; 42. Worm gear external gear ring; 43. Worm; 44. Laser welding gun; 45. First motor; 46. Mounting bracket; 47. Connecting seat; 48. Adjusting screw; 49. Guide rod. Detailed Implementation

[0021] The following will refer to the appendix in the embodiments of this utility model. Figure 1-5 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] As shown in the figure, a laser welding machine for oil drums includes a base 1. A fixed clamping mechanism 2 and a movable clamping mechanism 3 are mounted on the base 1. A welding mechanism 4 is located between the fixed clamping mechanism and the movable clamping mechanism on the base 1. The welding mechanism 4 includes a first base plate 41, a worm gear external gear ring 42, a worm 43, a laser welding gun 44, and a first motor 45. The first base plate 41 is vertically mounted on the base 1 between the fixed clamping mechanism 2 and the movable clamping mechanism 3, and a mounting ring 411 is formed on the first base plate 41. An annular groove 412 matching the worm gear external gear ring 42 is formed on the 411. The worm gear external gear ring 42 is rotatably disposed in the annular groove 412 and its end face protrudes from the annular groove 412. The worm 43 is rotatably disposed on the mounting ring 411 and meshes with the worm gear external gear ring 42 and is connected to the first motor 45 disposed on the mounting ring 411. The laser welding gun 44 is disposed on the end face of the worm gear external gear ring 42 that protrudes from the annular groove 412 and its working end faces the straight line where the center of the worm gear external gear ring 42 is located.

[0023] Specifically, the structure of the fixing clamp mechanism 2 is as follows: The fixing clamp mechanism 2 includes a second base plate 21, a first clamping arm 22 and a first locking screw 23. The second base plate 21 is fixedly erected on the base 1 and located on one side of the first base plate 41. A plurality of the first clamping arms 22 are arranged in a circular array around the center of the worm gear external gear ring 42 and can be slidably arranged on the second base plate 21 along the diameter of the circle where the center of the array is located. The first locking screw 23 is rotatably arranged on the second base plate 21 and screwed to the first clamping arm 22.

[0024] Specifically, the structure of the movable clamping mechanism 3 is as follows: The movable clamping mechanism 3 includes a third base plate 31, a second clamping arm 32, and a second locking screw 33. The third base plate 31 is slidably and vertically arranged on the base 1 on the other side of the base plate in a direction parallel to the straight line where the center of the worm gear external gear ring 42 is located. A plurality of second clamping arms 32 are arranged in a circular array around the center of the worm gear external gear ring 42 and are slidably arranged on the third base plate 31 along the diameter of the circle where the center of the array is located. The second locking screw 33 is rotatably arranged on the third base plate 31 and screwed to the first clamping arm 22. The base 1 is provided with a first transmission screw 12 that is drivenly connected to the second motor 13 arranged on the base 1 and screwed to the third base plate 31.

[0025] In the above structure, when butt welding two oil drum sections, one oil drum section is fixed to the fixing clamp mechanism 2 by passing through the worm gear external gear ring 42. Specifically, the end of the oil drum section is placed against the second base plate 21 so that the oil drum section is positioned between several first clamping arms 22. The first locking screw 23 is rotated to drive the first clamping arms 22 to move closer to the oil drum section on the second base plate 21 and press tightly against the oil drum section. The oil drum section is fixed to the second base plate 21 by the abutment of several first clamping arms 22 against the oil drum section, and the axis of the oil drum section is aligned with the axis of the worm gear external gear ring 42, and the open end of the oil drum section is located on the plane of the working end of the laser welding gun 44, so that the laser welding gun 44 abuts against the outer wall of the open end of the oil drum section. Similarly, the other oil drum section is fixed to the third base plate 31 by the tight abutment of several second clamping arms 32. Then, the second motor 13 drives the first transmission screw 12 to rotate, thereby driving the third base plate 31 to fix the oil drum section to the second base plate 31 to the third base plate 31 to the third base plate 31 to the third base plate 32 ... The substrate 31 moves closer to the first substrate 41 to align the open ends of the two oil drum sections. The laser welding gun 44 contacts the outer walls of the open ends of the two oil drum sections. Then, the first motor 45 drives the worm gear 43 to rotate. The worm gear 43 drives the worm wheel external gear ring 42 to rotate on the mounting ring 411. The worm wheel external gear ring 42 drives the laser welding gun 44 to rotate along the outer walls of the two oil drum sections while it contacts the outer walls of the open ends. At the same time, the laser welding gun 44 works to weld the openings of the two oil drum sections. With the above structure and method, this oil drum laser welding machine does not require the oil drum sections to rotate when welding two oil drum sections, preventing the axis of the oil drum sections from shifting during rotation and ensuring the quality of the welding. The welding efficiency is also high, making it particularly suitable for welding large oil drums. In the above mechanism, the laser welding gun 44 is existing technology, and its structure and working principle will not be described in detail here.

[0026] Furthermore, based on the above structure, the base 1 is provided with two linear slide rails 11 parallel to the line where the center of the worm gear external gear ring 42 is located. The first base plate 41 and the third base plate 31 are fixedly connected to the sliding seat of the linear slide rail 11. The base 1 is provided with a first sliding groove 16 and a second sliding groove 17. The third base plate 31 is formed with a first transmission seat 311 that passes through the first sliding groove 16 and is screwed to the first transmission screw 12. The first base plate 41 is formed with a second transmission seat 413 that passes through the second sliding groove 17. The base 1 is rotatably provided with a third motor 15 that is driven and connected to the third motor 15 provided on the base 1 and screwed to the second transmission seat 413. The second transmission screw 14 is connected to the base 1. The sliding arrangement of the first substrate 41 and the third substrate 31 on the base 1 is achieved by the linear slide rail 11, which can ensure the stability of the first substrate 41 and the third substrate 31 during movement and thus ensure the welding quality. The second transmission screw 14 is driven to rotate by the third motor 15, which drives the first substrate 41 to slide. The position of the laser welding gun 44 in the axial direction of the worm gear external gear ring 42 can be adjusted to adapt to the welding operation of oil drum sections of different heights, making this oil drum laser welding machine more applicable. In addition, the position of the laser welding gun 44 can also be adjusted to ensure that the laser welding gun 44 is aligned with the joint of the two oil drum sections, thus ensuring the welding quality.

[0027] Furthermore, based on the above structure, the worm gear external gear ring 42 protrudes from the end face of the annular groove 412 and is fixedly connected to a mounting bracket 46. The mounting bracket 46 is provided with a connecting seat 47 that can slide along the diameter direction of the worm gear external gear ring 42. The laser welding gun 44 is fixedly connected to the connecting seat 47. An adjusting screw 48, screwed to the mounting bracket 46, is rotatably connected to the connecting seat 47. Specifically, the structure of the connecting seat 47 slidably disposed on the mounting bracket 46 includes at least two guide rods 49 fixedly connected to the connecting seat 47 and passing through the mounting bracket 46. Rotating the adjusting screw 48 can drive the connecting seat 47, which in turn drives the laser welding gun 44 to move radially on the worm gear external gear ring 42. This adjusts the position of the working end of the laser welding gun 44 relative to the outer walls of the two mating oil drum sections fixed on the fixed clamp mechanism 2 and the movable clamp mechanism 3, thus adapting to welding operations of oil drum sections with different outer diameters. This makes the oil drum laser welding machine more versatile. Furthermore, by adjusting the position of the working end of the laser welding gun 44 relative to the outer wall of the oil drum section, it can be ensured that the working end of the laser welding gun 44 remains in contact with the outer wall of the oil drum section, thereby guaranteeing the quality of the welding.

[0028] Furthermore, based on the above structure, a first extension arm 221 that can slide along the length direction of the first clamping arm 22 is provided on the inner end face of the first clamping arm 22. A first adjustment groove 222 extending along the length direction of the first clamping arm 22 is provided on the first clamping arm 22. A first sliding screw 223 passing through the first adjustment groove 222 is fixedly connected to the first extension arm 221. A first locking nut 224 that abuts against the first clamping arm 22 is screwed onto the first sliding screw 223. A second extension arm 321 that can slide along the length direction of the second clamping arm 32 is provided on the inner end face of the second clamping arm 32. A second adjustment groove 322 extending along the length direction of the second clamping arm 32 is provided on the second clamping arm 32. A first extension arm 221 that abuts against the first clamping arm 22 is fixedly connected to the second extension arm 321. The second sliding screw 323 of the adjusting groove 322 is screwed onto the second locking nut 324 that abuts against the second clamping arm 32. By rotating the first locking nut 224 or the second locking nut 324, the first sliding screw 223 or the second sliding screw 323 can slide within the first adjusting groove 222 or the second adjusting groove 322, thereby causing the first extension arm 221 or the second extension arm 321 to slide on the first clamping arm 22 or the second clamping arm 32 and protrude from the end of the first clamping arm 22 or the second clamping arm 32. This lengthens the limited length of the first clamping arm 22 or the second clamping arm 32 that abuts against the oil drum section, so as to adapt to the clamping and fixing of oil drum sections of different heights, ensuring that the oil drum section is stably fixed on the second base plate 21 or the third base plate 31, thereby ensuring the quality of welding.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A laser welding machine for oil drums, comprising a base (1), wherein a fixed clamping mechanism (2) and a movable clamping mechanism (3) are provided on the base (1), characterized in that: The base (1) is provided with a welding mechanism (4) located between the fixed clamp and the movable clamp. The welding mechanism (4) includes a first base plate (41), a worm gear external gear ring (42), a worm (43), a laser welding gun (44), and a first motor (45). The first base plate (41) is erected on the base (1) between the fixed clamp mechanism (2) and the movable clamp mechanism (3), and a mounting ring (411) is formed on the first base plate (41). The mounting ring (411) has an annular groove that matches the worm gear external gear ring (42). 412), the worm gear external gear ring (42) is rotatably disposed in the annular groove (412) and the end face of the worm gear external gear ring (42) protrudes from the annular groove (412), the worm (43) is rotatably disposed on the mounting ring (411) and meshes with the worm gear external gear ring (42) and is connected to the first motor (45) disposed on the mounting ring (411) for transmission, and the laser welding gun (44) is disposed on the end face of the worm gear external gear ring (42) protruding from the annular groove (412) and the working end of the laser welding gun (44) is oriented towards the straight line where the center of the worm gear external gear ring (42) is located.

2. The oil drum laser welding machine according to claim 1, characterized in that: The fixing clamp mechanism (2) includes a second base plate (21), a first clamping arm (22) and a first locking screw (23). The second base plate (21) is fixedly erected on the base (1) and located on one side of the first base plate (41). A plurality of the first clamping arms (22) are arranged in a circular array around the center of the worm gear external gear ring (42) and can be slidably arranged on the second base plate (21) along the diameter of the circle where the center of the array is located. The first locking screw (23) is rotatably arranged on the second base plate (21) and screwed to the first clamping arm (22).

3. The oil drum laser welding machine according to claim 2, characterized in that: The movable clamping mechanism (3) includes a third base plate (31), a second clamping arm (32), and a second locking screw (33). The third base plate (31) is slidably and vertically mounted on the base (1) on the other side of the base plate in a direction parallel to the center of the worm gear external gear ring (42). A plurality of second clamping arms (32) are arranged in a ring around the center of the worm gear external gear ring (42) and are slidably mounted on the third base plate (31) along the diameter of the circle where the center of the array is located. The second locking screw (33) is rotatably mounted on the third base plate (31) and screwed to the first clamping arm (22). The base (1) is provided with a first transmission screw (12) that is drivenly connected to the second motor (13) mounted on the base (1) and screwed to the third base plate (31).

4. The oil drum laser welding machine according to claim 3, characterized in that: The base (1) is provided with two linear slide rails (11) that are parallel to the center of the worm gear external gear ring (42). The first base plate (41) and the third base plate (31) are fixedly connected to the sliding seat of the linear slide rail (11). The base (1) is provided with a first sliding groove (16) and a second sliding groove (17). The third base plate (31) is formed with a first transmission seat (311) that passes through the first sliding groove (16) and is screwed to the first transmission screw (12). The first base plate (41) is formed with a second transmission seat (413) that passes through the second sliding groove (17). The base (1) is rotatably provided with a second transmission screw (14) that is connected to the third motor (15) provided on the base (1) and screwed to the second transmission seat (413).

5. The oil drum laser welding machine according to claim 4, characterized in that: The worm gear external gear ring (42) protrudes from the end face of the annular groove (412) and is fixedly connected to a mounting bracket (46). The mounting bracket (46) is provided with a connecting seat (47) that can slide along the diameter direction of the worm gear external gear ring (42). The laser welding gun (44) is fixedly connected to the connecting seat (47). The connecting seat (47) is rotatably connected to an adjusting screw (48) screwed to the mounting bracket (46).

6. The oil drum laser welding machine according to claim 5, characterized in that: At least two guide rods (49) passing through the mounting bracket (46) are fixedly connected to the connecting seat (47).

7. The oil drum laser welding machine according to claim 6, characterized in that: A first extension arm (221) that can slide along the length direction of the first clamping arm (22) is provided on the inner end face of the first clamping arm (22). A first adjustment groove (222) extending along the length direction of the first clamping arm (22) is provided on the first clamping arm (22). A first sliding screw (223) passing through the first adjustment groove (222) is fixedly connected to the first extension arm (221). A first locking nut (224) that abuts against the first clamping arm (22) is screwed onto the first sliding screw (223). A second extension arm (321) that can slide along the length direction of the second clamping arm (32) is provided on the inner end face of the second clamping arm (32). A second adjustment groove (322) extending along the length direction of the second clamping arm (32) is provided on the second clamping arm (32). A second sliding screw (323) passing through the second adjustment groove (322) is fixedly connected to the second extension arm (321). A second locking nut (324) that abuts against the second clamping arm (32) is screwed onto the second sliding screw (323).

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