A round pipe automatic welding machine

Abstract

The utility model discloses an automatic electric welding machine for round tubes, including a base, a welding manipulator is arranged on the base, the upper end of the base is fixedly connected with support blocks arranged correspondingly on both sides, the support blocks on both sides are provided with rotating holes, and fixed cylinders are rotatably connected in the rotating holes, a rotating mechanism for driving the fixed cylinders on both sides to rotate is provided on the base, the inner walls of the fixed cylinders on both sides are rotatably connected with no less than one gear arranged along a circular array, the gear side is fixedly connected with a clamping arm, one end of the fixed cylinders on both sides is slidably plugged with an adjusting sleeve, the adjusting sleeve extends to one end of the fixed cylinder and is fixedly connected with a rack meshing with the gear, and one end of the fixed cylinder is threadedly connected with a fixing bolt matched with the adjusting sleeve. Compared with the prior art, the utility model has the advantage that it can center and clamp two round tubes to be welded, so that the two round tubes are always kept concentric, which greatly improves the welding effect.

Description

Technical Field

[0001] The utility model relates to the technical field of round pipe welding, in particular to an automatic round pipe welding machine. Background Art

[0002] The welding of round tubes is to connect two sections of round tubes by welding. The general welding method is to fix the two sections of round steel tubes together, and then weld them by automatic welding machine or manual welding gun.

[0003] Since the two round tubes are initially disconnected, the existing automatic welding device cannot quickly and effectively center and clamp the two round tubes so that the two round tubes always remain concentric during the welding process, which greatly affects the welding effect. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The technical problem to be solved by the utility model is to overcome the above defects and provide an automatic round tube welding machine, which can center and clamp two round tubes to be welded, so that the two round tubes are always kept concentric, thereby greatly improving the welding effect.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: an automatic round tube electric welding machine, comprising a base, a welding manipulator is provided on the base, the upper end of the base is fixedly connected with support blocks arranged correspondingly on both sides, the support blocks on both sides are provided with rotating holes, and fixed cylinders are rotatably connected in the rotating holes, and a rotating mechanism for driving the fixed cylinders on both sides to rotate is provided on the base, and the inner walls of the fixed cylinders on both sides are rotatably connected to at least one gear arranged along a circular array, and the gear sides are fixedly connected with clamping arms, and one end of the fixed cylinders on both sides is slidably inserted with an adjusting sleeve, and the adjusting sleeve extends to one end of the fixed cylinder and is fixedly connected with a rack meshing with the gear, and one end of the fixed cylinder is threadedly connected with a fixing bolt matching the adjusting sleeve.

[0008] As an improvement, the rotating mechanism includes a rotating shaft rotatably connected to the support blocks on both sides, a motor for driving the rotating shaft to rotate is fixedly connected to the base, a driven pulley is fixedly sleeved on one end of the fixed cylinder, and a driving pulley cooperating with the driven pulley is fixedly connected to both ends of the rotating shaft, and a transmission belt is provided between the driving pulley and the driven pulley.

[0009] As an improvement, one end of the clamping arm is fixedly connected with a clamping block.

[0010] As an improvement, a positioning cylinder located on one side of the rotating hole is fixedly connected between the support blocks on both sides, and a strip welding hole is provided on the positioning cylinder.

[0011] As an improvement, an exhaust fan is fixedly connected to the base, and an exhaust pipe is provided between the input end of the exhaust fan and the positioning tube.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model has the following advantages: before welding, the two round tubes are respectively checked in the fixed cylinders on both sides, the adjusting sleeve is pushed to slide into the fixed cylinder, the rack drives the gear to rotate, and the clamping arm swings synchronously to move the two round tubes to the position concentric with the two fixed cylinders. The two fixed cylinders are driven to rotate synchronously by the rotating mechanism, so that the two round tubes can be welded in a centered manner, which greatly improves the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is an exploded view of an automatic round pipe welding machine.

[0015] Figure 2 The utility model is a structural schematic diagram of an automatic round pipe welding machine.

[0016] Figure 3 The utility model is a cross-sectional view of an automatic round pipe welding machine.

[0017] Figure 4 It is an enlarged view of position A of an automatic round pipe welding machine of the utility model.

[0018] As shown in the figure: 1. Base; 2. Support block; 3. Fixed cylinder; 4. Adjusting sleeve; 5. Welding manipulator; 6. Gear; 7. Clamping arm; 8. Rack; 9. Fixing bolt; 10. Motor; 11. Rotating shaft; 12. Driving pulley; 13. Driven pulley; 14. Transmission belt; 15. Exhaust fan; 16. Exhaust pipe; 17. Positioning cylinder; 18. Strip welding hole; 19. Clamping block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] like Figures 1 to 4As shown, an automatic round tube welding machine includes a base 1, on which a welding robot 5 is provided, the upper end of the base 1 is fixedly connected with support blocks 2 arranged correspondingly on both sides, the support blocks 2 on both sides are provided with rotating holes, and between the support blocks 2 on both sides are fixedly connected a positioning cylinder 17 located on one side of the rotating hole, and the positioning cylinder 17 is provided with a strip welding hole 18.

[0022] Through the above structure, after the two round tubes are inserted into the positioning tube 17 through the fixing tube 3 , the welding ends of the two round tubes are placed in the strip welding hole 18 , which facilitates the welding robot 5 to pass through the strip welding hole 18 for welding.

[0023] A fixed cylinder 3 is rotatably connected in the rotating hole, and a rotating mechanism for driving the fixed cylinders 3 on both sides to rotate is provided on the base 1. The rotating mechanism includes a rotating shaft 11 rotatably connected to the support blocks 2 on both sides, and a motor 10 for driving the rotating shaft 11 to rotate is fixedly connected to the base 1. A driven pulley 13 is fixedly sleeved at one end of the fixed cylinder 3, and a driving pulley 12 cooperating with the driven pulley 13 is fixedly connected at both ends of the rotating shaft 11, and a transmission belt 14 is provided between the driving pulley 12 and the driven pulley 13.

[0024] Through the above structure, the motor 10 drives the rotating shaft 11 to rotate, and the rotating shaft 11 drives the driven pulley 13 to rotate through the driving pulleys 12 on both sides, and the driven pulleys 13 on both sides drive the fixed cylinders 3 on both sides to rotate synchronously.

[0025] The inner walls of the fixed cylinders 3 on both sides are rotatably connected to at least one gear 6 arranged along a circular array, and the sides of the gears 6 are fixedly connected to clamping arms 7, and one end of the clamping arms 7 is fixedly connected to a clamping block 19, and one end of the fixed cylinders 3 on both sides is slidably inserted with an adjusting sleeve 4, and one end of the adjusting sleeve 4 extending into the fixed cylinder 3 is fixedly connected to a rack 8 meshing with the gear 6, and one end of the fixed cylinder 3 is threadedly connected to a fixing bolt 9 that cooperates with the adjusting sleeve 4.

[0026] Through the above structure, when the adjusting sleeve 4 slides into the fixed tube 3, the rack 8 drives the gear 6 to swing synchronously, and the gear 6 drives the clamping arm 7 to swing synchronously clockwise, so that the clamping arm 7 pushes the round tube to be concentric with the fixed tube 3 while clamping and fixing the round tube. After the adjustment is completed, tighten the fixing bolt 9, and the end of the fixing bolt 9 is pressed against the outer wall of the adjusting sleeve 4 to achieve the fixation of the position of the adjusting sleeve 4.

[0027] Embodiment 2

[0028] Based on Example 1, please refer to the attached Figure 1 , 2An exhaust fan 15 is fixedly connected to the base 1 , and an exhaust pipe 16 is provided between the input end of the exhaust fan 15 and the positioning tube 17 .

[0029] Through the above structure, the fume generated by the welding machine can be sucked and collected to prevent the fume from polluting the air.

[0030] In specific use, the two round tubes are respectively inserted from one end of the two fixed cylinders 3, so that the ends of the two round tubes are placed in the strip welding holes 18, and at the same time, the ends of the two round tubes are pushed to contact each other, and the adjusting sleeves 4 on both sides are pushed to drive the clamping arms 7 in the fixed cylinder 3 to swing inward synchronously along the pointer, and the round tubes are clamped centeringly, and the fixing bolts 9 are tightened to fix the position of the adjusting sleeves 4, and the welding manipulator 5 is started to make the welding head contact the round tube through the strip welding hole 18, and the motor 10 is started to drive the rotating shaft 11 to rotate, and the fixed cylinders 3 on both sides are driven by the transmission belts 14 on both sides to drive the round tubes on both sides to rotate synchronously, and the connection of the two round tubes is welded for one circle, and the exhaust fan 15 is started to collect the smoke generated by welding.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An automatic round pipe welding machine, comprising a base (1), a welding manipulator (5) is arranged on the base (1), and the upper end of the base (1) is fixedly connected to support blocks (2) arranged correspondingly on both sides, characterized in that: The support blocks (2) on both sides are provided with rotating holes, and the rotating holes are rotatably connected to fixed cylinders (3). The base (1) is provided with a rotating mechanism for driving the fixed cylinders (3) on both sides to rotate. The inner walls of the fixed cylinders (3) on both sides are rotatably connected to at least one gear (6) arranged along a ring array, and the gear (6) is fixedly connected to a clamping arm (7). One end of the fixed cylinders (3) on both sides is slidably inserted with an adjusting sleeve (4), and one end of the adjusting sleeve (4) extending into the fixed cylinder (3) is fixedly connected to a rack (8) meshing with the gear (6), and one end of the fixed cylinder (3) is threadedly connected to a fixing bolt (9) matching the adjusting sleeve (4).

2. The automatic round pipe welding machine according to claim 1, characterized in that: The rotating mechanism comprises a rotating shaft (11) rotatably connected to the supporting blocks (2) on both sides; a motor (10) is fixedly connected to the base (1) for driving the rotating shaft (11) to rotate; a driven pulley (13) is fixedly sleeved on one end of the fixed cylinder (3); a driving pulley (12) matching the driven pulley (13) is fixedly connected to both ends of the rotating shaft (11); a transmission belt (14) is provided between the driving pulley (12) and the driven pulley (13).

3. The automatic round pipe welding machine according to claim 1, characterized in that: One end of the clamping arm (7) is fixedly connected to a clamping block (19).

4. The automatic round pipe welding machine according to claim 1, characterized in that: A positioning cylinder (17) located on one side of the rotating hole is fixedly connected between the support blocks (2) on both sides, and a strip-shaped welding hole (18) is provided on the positioning cylinder (17).

5. The automatic round pipe welding machine according to claim 4, characterized in that: The base (1) is fixedly connected to an exhaust fan (15), and an exhaust pipe (16) is provided between an input end of the exhaust fan (15) and the positioning cylinder (17).

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