Automatic laser measuring and welding control system for roller

Abstract

The utility model relates to a roller laser automatic measuring and welding control system which comprises a rail sliding block and a linear sliding table, the rail sliding block is connected with a boundary beam rail in a sliding mode, the linear sliding table is perpendicular to the boundary beam rail, a sliding rail of the linear sliding table is fixed to the rail sliding block, and a sliding block of the linear sliding table is fixed to a welding machine. A laser sensor and a temperature sensor are arranged on the welding machine, a probe of the laser sensor is perpendicular to the bottom plate, and the laser sensor and the temperature sensor are electrically connected with the PLC. The tip cone mechanism is provided with a rotating motor, the linear sliding table and the rail sliding block are provided with driving motors, the rotating motor and the driving motors are each provided with a controller, and the controllers are electrically connected with the PLC. The servo control system is combined with the PLC and the laser sensor to achieve accurate control in the X-axis direction and the Y-axis direction, automatic seam alignment and stable welding are achieved, and the double machine heads and the double stations are combined with the PLC to improve working efficiency.

Description

Technical Field

[0001] The utility model relates to the field of roller surfacing, in particular to a roller laser automatic measurement and welding control system. Background Art

[0002] Most of the existing roll welding equipment is semi-automatic equipment that requires workers to weld manually and align the seams manually. During operation, the roll is placed between the top cone mechanism, fixed by the top cone mechanism, and the roll rotates slowly. The technician uses a welding machine to surfacing the rotating roll. Due to the error of manual aligning, the welding quality is not high. In addition, the parameters of the roll need to be measured manually, which is inconvenient to use and has a low degree of automation. In addition, the roll surfacing process is slow and the machinery and equipment are limited, so the work efficiency is low. Summary of the invention

[0003] In order to solve the problems of low accuracy and low work efficiency of roll surfacing, the utility model provides a roll laser automatic measurement and welding control system, a servo control system is arranged in combination with a PLC controller and a laser sensor to achieve precise control in the X-axis and Y-axis directions, automatic seam alignment and smooth welding are achieved, and a double head and double workstation are arranged in combination with a PLC controller to improve work efficiency.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a roller laser automatic measurement and welding control system, comprising a machine head, a welding machine, a PLC controller, a top cone mechanism and a bottom frame, wherein the roller is arranged between the top cone mechanisms, the top cone mechanism is electrically connected to the PLC controller, the welding machine is connected to the machine head, the welding machine is communicatively connected to the PLC controller, the bottom frame comprises a bottom plate and a plurality of legs, a side beam track is fixedly arranged on the upper ends of the plurality of legs, a machine head is arranged on the side beam track, the machine head comprises a track slider and a linear slide, the track slider is slidably connected to the side beam track, the linear slide is vertically arranged to the side beam track, the slide rail of the linear slide is fixed to the track slider, and the slider of the linear slide is fixed to the welding machine;

[0005] The welding machine is provided with a laser sensor and a temperature sensor, the probe of the laser sensor is perpendicular to the bottom plate, and the laser sensor and the temperature sensor are electrically connected to the PLC controller;

[0006] The top cone mechanism is provided with a rotating motor, the linear slide and the track slider are provided with a driving motor, the rotating motor and the driving motor are both provided with a controller, and the controller is electrically connected to the PLC controller.

[0007] Furthermore, the rotating motor and the driving motor include a servo motor, the controller includes a servo driver, the servo driver is communicatively connected to the PLC controller, and the servo driver is electrically connected to an encoder.

[0008] The servo control system is used to improve control accuracy and provide a hardware foundation for precise welding machine control.

[0009] Furthermore, the bottom plate is a long strip plate, and four support frames are arranged on the bottom plate, and the four support frames form a group of two, and a spacing is set between the two support frames in one group, and the two groups of support frames are arranged in a mirror image along the center line of the bottom plate;

[0010] Top cone mechanisms are arranged opposite to each other on two support frames in one group;

[0011] The support frame is a four-sided pyramid structure with a hollow interior. A rotating motor is arranged inside the support frame, and an output shaft of the rotating motor is connected to the top cone mechanism.

[0012] Furthermore, the number of the two groups of support frames corresponding to the track slider, linear slide, welder, laser sensor and temperature sensor is two.

[0013] The double workstations and double machine heads are set symmetrically along the bottom plate, sharing a PLC controller, which can perform surfacing welding on two rollers at a time, thus improving the welding work efficiency.

[0014] Furthermore, a smoke protection device is arranged at the welding machine position, and the smoke protection device is fixed to the welding machine.

[0015] During the cladding process, smoke will be generated, and a smoke protection device is set up to handle the smoke.

[0016] Furthermore, the PLC controller is communicatively connected with an HMI module. The HMI module is provided to facilitate human-computer interaction, and technicians can adjust welding parameters through the HMI module.

[0017] Through the above technical solution, the beneficial effects of the utility model are:

[0018] 1. The utility model provides a hardware foundation for realizing fully automatic operation of roller surfacing. In order to realize accurate seam alignment, a slidable track slider is set on the side beam track. The track slider is provided with a driving motor. The track slider drives the welder to move in the X-axis direction. In order to realize stable welding thickness modulation, a linear slide is set. The linear slide is also provided with a driving motor. The linear slide controls the welder to move in the Y-axis direction. A laser sensor is set to detect the roller in real time, and provide detection parameters for the PLC controller, providing a hardware foundation for realizing negative feedback control. At the same time, a servo control system is adopted to further improve the control accuracy of the utility model. In addition, the PLC controller is provided with an HMI module to facilitate human-computer interaction.

[0019] 2. The utility model is provided with double heads and double workstations composed of four support frames, which can perform surfacing welding operations on two rollers at the same time, thereby improving the working efficiency of the surfacing welding operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is one of the structural schematic diagrams of a roller laser automatic measurement and welding control system of the utility model;

[0021] Figure 2 This is the second structural schematic diagram of a roller laser automatic measurement and welding control system of the utility model;

[0022] Figure 3 The utility model is a circuit schematic diagram of a roller laser automatic measurement and welding control system.

[0023] Figure numbers: 1 is the machine head, 2 is the welding machine, 3 is the PLC controller, 4 is the top cone mechanism, 5 is the bottom plate, 6 is the support leg, 7 is the side beam track, 8 is the track slider, 9 is the linear slide, 10 is the laser sensor, 11 is the temperature sensor, 12 is the rotating motor, 13 is the driving motor, 14 is the servo driver, 15 is the encoder, 16 is the supporting frame, 17 is the smoke protection device, and 18 is the HMI module. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0025] Example 1

[0026] like Figures 1 to 3 As shown, a roller laser automatic measurement and welding control system comprises a machine head 1, a welding machine 2, a PLC controller 3, a top cone mechanism 4 and a bottom frame, a roller is arranged between the top cone mechanism 4, the top cone mechanism 4 is electrically connected to the PLC controller 3, the welding machine 2 is connected to the machine head 1, and the welding machine 2 is communicatively connected to the PLC controller 3, characterized in that the bottom frame comprises a bottom plate 5 and a plurality of legs 6, a side beam track 7 is fixedly arranged on the upper ends of the plurality of legs 6, a machine head 1 is arranged on the side beam track 7, the machine head 1 comprises a track slider 8 and a linear slide 9, the track slider 8 is slidably connected to the side beam track 7, the linear slide 9 is vertically arranged to the side beam track 7, the slide rail of the linear slide 9 is fixed to the track slider 8, and the slide of the linear slide 9 is fixed to the welding machine 2;

[0027] The welding machine 2 is provided with a laser sensor 10 and a temperature sensor 11, the probe of the laser sensor 10 is perpendicular to the bottom plate 5, and the laser sensor 10 and the temperature sensor 11 are electrically connected to the PLC controller 3;

[0028] The top cone mechanism 4 is provided with a rotating motor 12 , and the linear slide 9 and the track slider 8 are provided with a driving motor 13 . Both the rotating motor 12 and the driving motor 13 are provided with a controller, and the controller is electrically connected to the PLC controller 3 .

[0029] In this embodiment, the PLC controller 3 and the welding machine 2 are connected via RS485 communication. The laser sensor 10 and the temperature sensor 11 are connected to the AI ​​module of the PLC controller 3. The laser sensor 10 is a laser distance sensor. The top cone mechanism 4 has a telescopic function and is controlled by the PLC controller 3.

[0030] The rotating motor 12 and the driving motor 13 include servo motors. The controller includes a servo driver 14 . The servo driver 14 is communicatively connected to the PLC controller 3 . The servo driver 14 is electrically connected to an encoder 15 .

[0031] The PLC controller 3 is a Mitsubishi FX5U-64MT controller, and the servo driver 14 is a YKD2405M driver.

[0032] The bottom plate 5 is a long strip plate, and four support frames 16 are arranged on the bottom plate 5. The four support frames 16 form a group of two, and a spacing is set between the two support frames 16 in one group. The two groups of support frames 16 are arranged in a mirror image along the midline of the bottom plate 5;

[0033] Top cone mechanisms 4 are disposed opposite to each other on two support frames 16 in one group;

[0034] The support frame 16 is a quadrangular pyramid structure with a hollow interior. A rotary motor 12 is disposed inside the support frame 16 , and an output shaft of the rotary motor 12 is connected to the top cone mechanism 4 .

[0035] The number of the rail slider 8, the linear slide 9, the welding machine 2, the laser sensor 10 and the temperature sensor 11 corresponding to the two groups of support frames 16 is two.

[0036] A smoke protection device 17 is provided at the position of the welding machine 2 , and the smoke protection device 17 is fixed to the welding machine 2 .

[0037] The PLC controller 3 is connected to the HMI module 18 via an RJ45 module communication.

[0038] During operation, the roller is fixed by the top cone mechanism 4, and after the zero position of the welding machine 2 is determined, the start is clicked through the HMI module 18, and the PLC controller 3 controls the system to run automatically.

[0039] The laser sensor 10 detects the distance from the roller surface to the laser sensor 10 probe. The PLC controller 3 receives the detection parameters and calculates the roller diameter and length to determine the starting and ending points of roller welding. The PLC controller 3 controls the rotating motor 12 to work, and the roller rotates at a constant speed. At the same time, the PLC controller 3 controls the driving motor 13 to make the linear slide 9 drive the welder 2 to the working position. The PLC controller 3 controls the driving motor 13 to make the track slider 8 move at a constant speed, so that the welder 2 moves from the welding start to the welding end point. The laser sensor 10 continuously detects the roller. The PLC controller 3 controls the driving motor 13 and the rotating motor 12 through the detection parameters to keep the welder 2 in the welding position. The temperature sensor 10 detects the welding temperature, and the temperature parameters are sent to the PLC controller 3 for recording.

[0040] After the welding operation is completed, the PLC controller 3 controls the two driving motors 13 respectively to make the track slider 8 and the linear slide 9 drive the welding machine 2 to reset.

[0041] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A roller laser automatic measurement and welding control system, comprising a machine head (1), a welding machine (2), a PLC controller (3), a top cone mechanism (4) and a bottom frame, wherein a roller is arranged between the top cone mechanism (4), the top cone mechanism (4) is electrically connected to the PLC controller (3), the welding machine (2) is connected to the machine head (1), and the welding machine (2) is communicatively connected to the PLC controller (3), characterized in that: The base frame comprises a bottom plate (5) and a plurality of legs (6), the upper ends of the plurality of legs (6) are fixedly provided with side beam rails (7), a machine head (1) is provided on the side beam rails (7), the machine head (1) comprises a rail slider (8) and a linear slide (9), the rail slider (8) is slidably connected to the side beam rail (7), the linear slide (9) is vertically arranged to the side beam rail (7), the slide rail of the linear slide (9) is fixed to the rail slider (8), and the slider of the linear slide (9) is fixed to the welding machine (2); The welding machine (2) is provided with a laser sensor (10) and a temperature sensor (11), the probe of the laser sensor (10) is perpendicular to the bottom plate (5), and the laser sensor (10) and the temperature sensor (11) are electrically connected to the PLC controller (3); The top cone mechanism (4) is provided with a rotating motor (12), and the linear slide (9) and the track slider (8) are provided with a driving motor (13). Both the rotating motor (12) and the driving motor (13) are provided with a controller, and the controller is electrically connected to the PLC controller (3).

2. A roller laser automatic measurement and welding control system according to claim 1, characterized in that: The rotating motor (12) and the driving motor (13) include servo motors, the controller includes a servo driver (14), the servo driver (14) is communicatively connected to the PLC controller (3), and the servo driver (14) is electrically connected to an encoder (15).

3. The roller laser automatic measurement and welding control system according to claim 1 is characterized in that: The bottom plate (5) is a long strip plate, and four support frames (16) are arranged on the bottom plate (5), and the four support frames (16) are arranged in groups of two, and a spacing is provided between the two support frames (16) in a group, and the two groups of support frames (16) are arranged in a mirror image along the midline of the bottom plate (5); Top cone mechanisms (4) are arranged opposite to each other on two support frames (16) in one group; The support frame (16) is a four-sided pyramid-shaped structure with a hollow interior. A rotating motor (12) is arranged inside the support frame (16), and an output shaft of the rotating motor (12) is connected to the top cone mechanism (4).

4. A roller laser automatic measurement and welding control system according to claim 3, characterized in that: The number of the track slider (8), the linear slide (9), the welding machine (2), the laser sensor (10) and the temperature sensor (11) corresponding to the two groups of support frames (16) is two.

5. The roller laser automatic measurement and welding control system according to claim 1 is characterized in that: A smoke protection device (17) is provided at the position of the welding machine (2), and the smoke protection device (17) is fixed to the welding machine (2).

6. The roller laser automatic measurement and welding control system according to claim 1 is characterized in that: The PLC controller (3) is communicatively connected to an HMI module (18).

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