Welding gun motion self-adjusting device based on industrial visual identification technology

Abstract

The utility model relates to the technical field of welding equipment, and discloses a welding gun motion self-adjusting device based on an industrial visual identification technology, which comprises a lifting module, a rotating mechanism connected to the lifting module and controlled by the lifting module to lift, and a monitoring module fixedly connected with the lifting module and positioned on the side surface of the rotating mechanism, the monitoring module comprises an equipment support connected with the lifting module, and a laser surveying and mapping module and an industrial visual camera which are connected with the equipment support and located on the two sides of the rotating mechanism respectively. Two ends of the equipment bracket respectively extend to the left side and the right side of the rotating mechanism; a welding gun is arranged in the rotating mechanism. The laser surveying and mapping module used for monitoring the weld joint data and the industrial visual camera used for monitoring the state of the molten pool are arranged on the equipment support, the weld joint data can be obtained at any time, and therefore the position of the welding end can be adjusted timely and specifically.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, specifically to a welding torch movement self-adjustment device based on industrial vision recognition technology. Background Technology

[0002] Traditional welding methods have many problems, such as difficulty in accurately controlling the welding torch position, insufficient speed, low automation leading to low production efficiency, and low safety. Therefore, an automatic welding torch adjustment device has been designed. Although existing automatic welding torch adjustment devices enable precise control of the welding torch position and improve welding speed, such as the Chinese utility model patent with document number CN219053390U entitled "A Welding Torch Adjustment Mechanism", which adjusts the position without manual operation by various motors and transmission gears, they cannot monitor the weld condition in real time, making it inconvenient to adjust the weld end position in a timely and targeted manner. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a welding torch motion self-adjustment device based on industrial vision recognition technology. By setting a laser mapping module for monitoring weld data and an industrial vision camera for monitoring the state of the molten pool on the equipment bracket, weld data can be obtained at any time, thereby adjusting the position of the welding end in a timely manner.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a welding torch motion self-adjustment device based on industrial vision recognition technology, comprising a lifting module, a rotating mechanism connected to the lifting module and controlled by it for lifting, and a monitoring module fixedly connected to the lifting module and located on the side of the rotating mechanism.

[0005] The monitoring module includes an equipment bracket connected to the lifting module, and a laser mapping module and an industrial vision camera connected to the equipment bracket and located on both sides of the rotating mechanism.

[0006] The two ends of the equipment bracket extend to the left and right sides of the rotating mechanism, respectively;

[0007] A welding torch is installed inside the rotating mechanism.

[0008] Furthermore, the lifting module includes a fixed base, a stepper motor mounted on the fixed base, a lead screw connected to the output end of the stepper motor, and a slider threadedly connected to the lead screw and capable of moving up and down.

[0009] Furthermore, the rotating mechanism includes a rotating mechanism bracket connected to the slider, a servo motor disposed on the side of the rotating mechanism bracket, and a welding torch fixing module located inside the rotating mechanism bracket and rotated under the control of the servo motor; a welding torch is disposed inside the welding torch fixing module and rotates therewith.

[0010] Furthermore, the welding torch fixing module includes a welding torch moving bracket fixedly connected to the output end of the servo motor; a welding torch bracket is fixedly connected inside the welding torch moving bracket, and the welding torch bracket clamps the vertically arranged welding torch.

[0011] Furthermore, the laser mapping module is fixedly connected to the equipment bracket by bolts.

[0012] Furthermore, the equipment bracket has an extension section at one end near the industrial vision camera; the extension section has positioning screw holes and adjustment slots; the industrial vision camera is connected to the extension section by bolts and positioning screw holes; the adjustment slot is arc-shaped, and the center of the circle in which the adjustment slot is located coincides with the positioning screw hole.

[0013] Furthermore, the distance between the rotating mechanism support and the welding torch moving support is set as follows:

[0014] The beneficial effects of this utility model are as follows: By setting a laser mapping module for monitoring weld data and an industrial vision camera for monitoring the molten pool state on the equipment bracket, weld data can be obtained at any time, thereby adjusting the weld end position in a timely and targeted manner, thus improving welding accuracy, welding efficiency, and pass rate; by setting positioning screw holes and adjustment grooves on the equipment bracket, the industrial vision camera can be rotated and adjusted, increasing the monitoring range of the industrial vision camera, making it more applicable and easier to use; the welding torch bracket is surrounded by the side of the welding torch moving bracket, the rotating mechanism bracket surrounds the welding torch moving bracket from the side, and the equipment bracket surrounds the rotating mechanism bracket from the side, and the rotating mechanism bracket and the equipment bracket are simultaneously connected to the lifting module; through this spatial arrangement of components, the entire device is more compact, occupies less space, improves welding safety and stability, and also increases the applicability of the device, making it suitable for both large spaces and narrow working spaces. Attached Figure Description

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

[0016] Figure 2 This is a schematic diagram showing the overall disassembly of this utility model;

[0017] Figure 3 This is a schematic diagram of the equipment support structure of this utility model.

[0018] In the diagram: 1. Lifting module; 2. Welding torch; 3. Rotating mechanism bracket; 4. Servo motor; 5. Welding torch movement bracket; 6. Welding torch bracket; 7. Equipment bracket; 701. Positioning screw hole; 702. Adjustment groove; 8. Laser mapping module; 9. Industrial vision camera. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] The directional terms mentioned in this utility model, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only for reference to the orientation of the accompanying drawings. The directional terms used are for the purpose of explaining and understanding this utility model, and are not intended to limit this utility model.

[0021] Example:

[0022] like Figures 1-3 As shown, a welding torch motion self-adjustment device based on industrial vision recognition technology includes a lifting module 1, a rotating mechanism connected to the lifting module 1 and controlled by it for lifting, and a monitoring module fixedly connected to the lifting module 1 and located on the side of the rotating mechanism.

[0023] The monitoring module includes an equipment bracket 7 connected to the lifting module 1, and a laser mapping module 8 and an industrial vision camera 9 connected to the equipment bracket 7 and located on both sides of the rotating mechanism.

[0024] The two ends of the equipment bracket 7 extend to the left and right sides of the rotating mechanism, respectively, and the laser mapping module 8 and the industrial vision camera 9 are respectively set at the two ends of the equipment bracket;

[0025] A welding torch 2 is installed inside the rotating mechanism.

[0026] The lifting module 1 includes a fixed base, a stepper motor mounted on the fixed base, a lead screw connected to the output end of the stepper motor, and a slider threadedly connected to the lead screw and capable of moving up and down; one side of the slider is restricted on the fixed base, and the slider can slide up and down along the fixed base; the slider and the fixed base can be connected by a T-shaped groove and a T-shaped slide bar; the stepper motor can achieve precise control of position and speed through precise control pulse signals.

[0027] The rotating mechanism includes a rotating mechanism bracket 3 connected to the slider, a servo motor 4 disposed on the side of the rotating mechanism bracket 3, and a welding gun fixing module located inside the rotating mechanism bracket 3 and controlled by the servo motor 4 to rotate back and forth; a welding gun 2 is disposed inside the welding gun fixing module and rotates with it.

[0028] The welding torch fixing module includes a welding torch movement bracket 5 fixedly connected to the output end of the servo motor 4; a welding torch bracket 6 is fixedly connected inside the welding torch movement bracket 5, and the welding torch bracket 6 clamps the vertically arranged welding torch 2; both the rotating mechanism bracket 3 and the welding torch movement bracket 5 are U-shaped, each including three plates, the middle plate being close to the lifting module, and the other two side plates being perpendicular to the middle plate; the equipment bracket 7 is similar to U-shaped, except that one of them is inclined, but not perpendicular to the middle plate; the middle of all three are close to the lifting module 1; there are two servo motors 4, located on the left and right sides of the rotating mechanism bracket 3 respectively; there are at least two welding torch brackets 6, set vertically at intervals; the welding torch bracket 6 includes two closed semi-circular retaining rings, one end of which is fixedly connected to the welding torch movement bracket 5, and the other end is spaced apart and connected by bolts for easy adjustment of tightness.

[0029] The intermediate plate of the rotating mechanism bracket 3 near the lifting module 1 and the intermediate plate of the welding torch moving bracket 5 near the lifting module 1 are spaced apart to facilitate the rotation of the welding torch moving bracket 5.

[0030] The laser mapping module 8 is fixedly connected to the equipment bracket 7 by bolts; both the laser mapping module 8 and the industrial vision camera 9 are existing technologies; the laser mapping module 8 of the welding torch is a device that assists in welding operations. It is usually integrated on the welding torch to improve the accuracy and efficiency of the welding process. This module mainly uses laser technology to help locate, measure, and track the welding path; it has functions such as positioning, measurement, tracking, augmented reality feedback, and data recording and analysis; the laser mapping module usually contains one or more lasers to generate laser beams, and is equipped with a set of sensors and control systems to process the information reflected back by the laser; in this application, the laser mapping module 8 and the industrial vision camera 9 are respectively connected to the host computer system, which receives and processes the information; the laser mapping module 8 and the industrial vision camera 9 collect data on the weld seam and the state of the molten pool and then transmit it to the database of the host computer system for processing. Then the host computer system feeds this data back to the servo motor and the lifting module to control the formation of human-like oscillation of the welding end; these control systems output conventional means.

[0031] The host computer system refers to the core computing and control system responsible for controlling and managing the welding torch motion self-adjustment device. The host computer system typically consists of two main parts: hardware and software. It is responsible for receiving data from sensors, processing this data, and sending control commands to the welding torch motion self-adjustment device. The main components of the host computer system include hardware and software. The hardware mainly includes a computer or controller, communication interface, human-machine interface (HMI), storage devices, and a power supply. The software mainly includes an operating system, control software, database management system, communication protocol stack, HMI software, and data analysis tools. Each component is existing technology.

[0032] An extension section is provided at one end of the equipment bracket 7 near the industrial vision camera 9; the extension section is parallel to the middle plate of the equipment bracket 7; the extension section has a positioning screw hole 701 and an adjustment groove 702; the industrial vision camera 9 is connected to the extension section by bolts and the positioning screw hole 701; the adjustment groove 702 is arc-shaped, and the center of the circle in which the adjustment groove 702 is located coincides with the positioning screw hole 701; the positioning screw hole 701 is used to fix the industrial vision camera 9, and the adjustment groove 702 is used to adjust the rotation of the industrial vision camera 9. Adjustment is made by loosening the bolts, and the bolts are tightened after adjustment.

[0033] By installing a laser mapping module 8 for monitoring weld data and an industrial vision camera 9 for monitoring the molten pool state on the equipment bracket 7, weld data can be obtained at any time, allowing for timely and targeted adjustment of the weld end position, thereby improving welding accuracy, efficiency, and pass rate. The equipment bracket 7 also features a positioning screw hole 701 and an adjustment groove 702, enabling the industrial vision camera 9 to be rotated and adjusted, thus increasing its monitoring range, applicability, and ease of use. The welding torch bracket 6 is surrounded by the welding torch movement bracket 5, and the rotating mechanism bracket 3 surrounds the welding torch movement bracket 5 from the side. The equipment bracket 7, in turn, surrounds the rotating mechanism bracket 3 from the side. Both the rotating mechanism bracket 3 and the equipment bracket 7 are connected to the lifting module 1. This spatial arrangement of components makes the entire device more compact and occupies less space, improving welding safety and stability, and expanding its applicability to both large and narrow workspaces.

[0034] The lifting module 1 starts to drive the rotating mechanism bracket 3 to rise or fall, the servo motor 4 starts to control the welding torch movement bracket 5 to rotate back and forth, the welding torch movement bracket 5 drives the welding torch bracket 6 to rotate, and the welding torch bracket 6 drives the welding torch 2 to rotate; 8 scans the weld seam data and feeds it back to the host computer system, 9 scans the molten pool status and feeds it back to the host computer system.

[0035] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A welding torch motion self-adjustment device based on industrial vision recognition technology, characterized in that: It includes a lifting module (1), a rotating mechanism connected to and controlled by the lifting module (1) for lifting, and a monitoring module fixedly connected to the lifting module (1) and located on the side of the rotating mechanism; The monitoring module includes an equipment bracket (7) connected to the lifting module (1), and a laser mapping module (8) and an industrial vision camera (9) connected to the equipment bracket (7) and located on both sides of the rotating mechanism. The two ends of the equipment bracket (7) extend to the left and right sides of the rotating mechanism, respectively; The rotating mechanism is equipped with a welding torch (2).

2. The welding torch motion self-adjustment device based on industrial vision recognition technology according to claim 1, characterized in that: The lifting module (1) includes a fixed base, a stepper motor mounted on the fixed base, a lead screw connected to the output end of the stepper motor, and a slider threadedly connected to the lead screw and capable of moving up and down.

3. The welding torch motion self-adjustment device based on industrial vision recognition technology according to claim 2, characterized in that: The rotating mechanism includes a rotating mechanism bracket (3) connected to the slider, a servo motor (4) disposed on the side of the rotating mechanism bracket (3), and a welding gun fixing module located inside the rotating mechanism bracket (3) and rotated under the control of the servo motor (4); a welding gun (2) is disposed inside the welding gun fixing module and rotates therewith.

4. The welding torch motion self-adjustment device based on industrial vision recognition technology according to claim 3, characterized in that: The welding torch fixing module includes a welding torch moving bracket (5) fixedly connected to the output end of the servo motor (4); a welding torch bracket (6) is fixedly connected inside the welding torch moving bracket (5), and the welding torch bracket (6) clamps the vertically arranged welding torch (2).

5. The welding torch motion self-adjustment device based on industrial vision recognition technology according to claim 1, characterized in that: The laser mapping module (8) is fixedly connected to the equipment bracket (7) by bolts.

6. The welding torch motion self-adjustment device based on industrial vision recognition technology according to claim 1, characterized in that: The equipment bracket (7) has an extension section at one end near the industrial vision camera (9); the extension section has a positioning screw hole (701) and an adjustment groove (702); the industrial vision camera (9) is connected to the extension section by bolts and the positioning screw hole (701); the adjustment groove (702) is arc-shaped, and the center of the circle in which the adjustment groove (702) is located coincides with the positioning screw hole (701).

7. The welding torch motion self-adjustment device based on industrial vision recognition technology according to claim 4, characterized in that: The rotating mechanism support (3) and the welding torch moving support (5) are spaced apart.

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