Circular tube weld joint welding device

By designing a round tube welding device including racks, lifting devices, transmission boxes, servo motors, output shafts, welded spots, cone positioning tables, and stop blocks, it solves the problem of low traditional hand -welded efficiency and difficult quality. , Achieving efficient and accurate circular tube welding welding.

CN222404068UActive Publication Date: 2025-01-28NUCLEON XINXIANG CRANE
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Patent Information

Application Number
CN202422651722.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-01-28
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

When welding the round tube ring welds of the hook frame with traditional manual welding methods, the efficiency is low, the labor intensity is high, and the quality of the weld is difficult to guarantee.

Method used

Design a round tube welding welding device, including racks, lifting devices, transmission boxes, servo motors, output shafts, welded guns, cone locations, and stop blocks. The stop block ensures the stability and accuracy of the location of the workpiece.

Benefits of technology

The efficient and accurate welding of the circular tube ring weld is achieved, the welding quality is guaranteed, and the welding requirements of different diameter circular tubes are suitable for.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222404068U_ABST
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Abstract

The utility model discloses a circular tube weld joint welding device which comprises a rack, the rack is vertically arranged, the upper portion of one side of the rack is connected with a transmission box through a first lifting device, the first lifting device drives the transmission box to move up and down, the upper portion of the transmission box is connected with a servo motor, and the lower portion of the transmission box is connected with an output shaft. A shaft body of the output shaft is provided with a welding gun used for welding a to-be-welded workpiece, the lower end of the output shaft is provided with a conical positioning table used for positioning the to-be-welded workpiece, the lower portion of the same side of the rack is connected with a workbench through a second lifting device, the second lifting device drives the workbench to move up and down, and the upper portion of the workbench is used for positioning a stop block of the to-be-welded workpiece. The circular pipe circumferential weld welding device achieves welding of circular pipe circumferential welds, guarantees stability and accuracy of workpiece positions in the welding process, meets the welding requirements of circular pipes with different diameters, and has the advantages of being efficient, accurate and good in welding quality.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a round pipe weld welding device. Background Art

[0002] As an important part of the crane, the hook frame is welded by angle steel and multiple short-section round tubes. The welds are mainly the circumferential fillet welds of the round tubes. Figure 4 As shown, the spacing and diameter of the short section round tube are not uniform, and the traditional welding method adopts manual welding, which has low welding efficiency, high labor intensity and difficult to ensure the weld quality. Therefore, a round tube weld welding device is proposed. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a circular tube weld welding device to realize the welding of circular tube ring welds, ensure the stability and accuracy of the workpiece position during the welding process, meet the welding requirements of circular tubes of different diameters, have the advantages of high efficiency, accuracy and good welding quality, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circular pipe weld welding device, comprising a frame, which is vertically arranged, and an upper part of one side of the frame is connected to a transmission box through a lifting device 1, which drives the transmission box to move up and down, the upper part of the transmission box is connected to a servo motor, and the lower part of the transmission box is connected to an output shaft, the shaft body of the output shaft is provided with a welding gun for welding the workpiece to be welded, and the lower end of the output shaft is provided with a conical positioning table for positioning the workpiece to be welded, the lower part of the same side of the frame is connected to a workbench through a lifting device 2, and the lifting device 2 drives the workbench to move up and down, and the upper part of the workbench is used to position a stop block for the workpiece to be welded.

[0005] Preferably, the shaft body of the output shaft is connected to a fixing rod via a pipe clamp, and a plurality of clamps for fixing the welding gun are provided on the fixing rod.

[0006] Preferably, a slide rail is vertically provided on the side of the frame, and the transmission box and the workbench are both provided with a slide seat adapted to the slide rail.

[0007] Preferably, the lifting device 1 and the lifting device 2 are both one of an electric cylinder, a pneumatic cylinder or a hydraulic cylinder.

[0008] Preferably, a pressure sensor is provided on the upper portion of the stop block.

[0009] Preferably, the frame is also provided with an electric control console, which is electrically connected to the servo motor.

[0010] Compared with the prior art, the beneficial effects of the utility model are: the lifting device 1 drives the transmission box and the output shaft to move downward, the conical positioning platform at the lower end of the output shaft contacts and cooperates with the round tube of the workpiece to be welded, the lifting device 2 drives the workbench to move up, and the stop block on the upper part of the workbench positions the angle steel of the workpiece to be welded, and the workpiece to be welded is positioned by the conical positioning platform and the stop block to ensure the stability and accuracy of the workpiece position during the welding process, and the servo motor drives the welding gun to rotate through the output shaft to realize the welding of the circular tube ring weld, and the position of the welding gun can be adjusted by the pipe clamp and the clamp to meet the welding requirements of round tubes of different diameters, and has the advantages of high efficiency, accuracy and good welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the utility model;

[0012] Figure 2 It is a side view of the utility model;

[0013] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0014] Figure 4 Schematic diagram of the structure of the workpiece to be welded.

[0015] In the figure: 1 servo motor, 2 transmission box, 3 output shaft, 4 frame, 5 electric control console, 6 welding gun, 7 stop block, 8 lifting device 2, 9 workbench, 10 lifting device 1, 11 slide rail, 12 clamp, 13 fixing rod, 14 conical positioning table. DETAILED DESCRIPTION

[0016] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0017] See also Figure 1-4 , the utility model provides the following technical solutions:

[0018] Embodiment 1: A round pipe weld welding device comprises a frame 4, the frame 4 is vertically arranged, the upper part of one side of the frame 4 is connected to the transmission box 2 through a lifting device 10, the lifting device 10 drives the transmission box 2 to move up and down, the upper part of the transmission box 2 is connected to a servo motor 1, the lower part of the transmission box 2 is connected to an output shaft 3, the shaft body of the output shaft 3 is provided with a welding gun 6 for welding the workpiece to be welded, the lower end of the output shaft 3 is provided with a conical positioning table 14 for positioning the workpiece to be welded, the lower part of the same side of the frame 4 is connected to a workbench 9 through a lifting device 2 8, the lifting device 2 8 drives the workbench 9 to move up and down, and the upper part of the workbench 9 is used to position a stopper 7 for the workpiece to be welded;

[0019] It can be understood that the lifting device 10 drives the transmission box 2 to move downward, and the transmission box 2 drives the output shaft 3 to move downward, then the conical positioning platform 14 at the lower end of the output shaft 3 cooperates with the round tube of the workpiece to be welded, that is, the conical positioning platform 14 is inserted into the round tube, and the conical positioning platform 14 is in line contact with the inner part of the round tube, and the lifting device 2 8 drives the workbench 9 to move upward, and the stop block 7 on the upper part of the workbench 9 cooperates with the angle steel of the workpiece to be welded, and the non-welding surface of the angle steel fits the stop block 7, thereby ensuring the stability of the position of the workpiece to be welded and preventing the welded parts from shifting during the welding process. The servo motor 1 drives the output shaft 3 to rotate through the transmission box 2, and the output shaft 3 drives the welding gun 6 to rotate to realize the welding of the circular tube ring weld; the servo motor 1 is used to drive, and the speed can be adjusted to ensure the appropriate welding speed to adapt to the welding of round tubes of different diameters, and it can also be reversed and reset;

[0020] Specifically, the lifting device 10 and the lifting device 2 8 are both electric cylinders, air cylinders or hydraulic cylinders.

[0021] Embodiment 2: Different from Embodiment 1, the shaft body of the output shaft 3 is connected to the fixed rod through a pipe clamp 13, and a plurality of clamps 12 for fixing the welding gun are provided on the fixed rod. Before welding, it is checked whether the spacing and angle between the end of the welding gun and the annular predetermined welding position meet the welding requirements, and the position information of the end of the welding gun is adjusted by using the pipe clamp 13 and the clamp 12 until the welding requirement is reached.

[0022] Embodiment 3: Different from Embodiment 1, the frame is further provided with an electric control panel 5, which is electrically connected to the servo motor 1. A pressure sensor is provided on the upper part of the stop block 7. The function of the pressure sensor is to detect the force, that is, when the lifting device 10 drives the conical positioning platform 14 to be inserted into the round tube of the workpiece to be welded, pressure will be applied to the stop block 7. The pressure sensor detects the pressure to prevent the lifting device 10 from being over-extended and causing expansion and damage to the end of the round tube to be welded. The pressure value of the pressure sensor is used to judge, and the electric control panel 1 receives feedback to stop the lifting device 10, and slightly contracts to create a gap between the conical positioning platform 14 and the inner wall of the round tube.

[0023] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended to include all changes that fall within the meaning and scope of equivalent elements in the content of the present invention.

Claims

1. A round pipe welding device, comprising a frame (4), characterized in that: The frame (4) is arranged vertically, and the upper part of one side of the frame (4) is connected to the transmission box (2) through the lifting device 1 (10), and the lifting device 1 (10) drives the transmission box (2) to move up and down. The upper part of the transmission box (2) is connected to the servo motor (1), and the lower part of the transmission box (2) is connected to the output shaft (3). The shaft body of the output shaft (3) is provided with a welding gun (6) for welding the workpiece to be welded, and the lower end of the output shaft (3) is provided with a conical positioning table (14) for positioning the workpiece to be welded. The lower part of the same side of the frame (4) is connected to the workbench (9) through the lifting device 2 (8), and the lifting device 2 (8) drives the workbench (9) to move up and down. The upper part of the workbench (9) is used to position a stop block (7) for the workpiece to be welded.

2. A round pipe welding device according to claim 1, characterized in that: The shaft body of the output shaft (3) is connected to a fixing rod (13) via a pipe clamp, and the fixing rod (13) is provided with a plurality of clamps (12) for fixing the welding gun (6).

3. A round pipe welding device according to claim 1, characterized in that: A slide rail (11) is vertically provided on the side of the frame (4), and the transmission box (2) and the workbench (9) are both provided with a slide seat adapted to the slide rail (11).

4. A round pipe welding device according to claim 1, characterized in that: The lifting device 1 (10) and the lifting device 2 (8) are both electric cylinders, air cylinders or hydraulic cylinders.

5. The round pipe welding device according to claim 1, characterized in that: A pressure sensor is provided on the upper part of the stop block (7).

6. A round pipe welding device according to claim 1, characterized in that: The frame (4) is also provided with an electric control console (5), and the electric control console (5) is electrically connected to the servo motor (1).