Automatic laser marking machine

Abstract

The utility model relates to the technical field of marking, and provides an automatic laser marking machine which comprises a working table, a rotating shaft, a rotating table, a moving frame, a limiting device, a supporting frame, a mechanical arm, a marking module, a protection device, a terminal control table, a first motor and a belt assembly. The moving frame is arranged on the rotary table, the limiting device is arranged on the rotary table, the limiting device limits the moving frame, a product is placed on the moving frame, the moving frame is pushed to the rotary table, and the high-precision visual recognition system and the laser marking device are adopted, so that the product can be accurately marked. The accuracy of the marking position and the reduction of the error recognition rate are ensured, and the material waste and the rework cost caused by wrong marking or error recognition are reduced; and the rotary table is rotated by a half circle, so that the marking head can continuously mark the other group of gears on the movable frame, and manual intervention is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to marking technology field, concretely relates to an automatic laser marking machine. BACKGROUND

[0002] The bevel gear pair is combined by driving gear and driven gear, the driving gear end face is laser marked with pairing serial number and installation distance, and the driven gear bevel outer circle surface is laser marked with two-dimensional code and pairing serial number. At present, the operator generally takes a set of driving gear and driven gear from a special transfer frame, and then the operator fixes the driving gear and driven gear on the special tool of the laser marking machine respectively to make one marking head of the laser marking machine work to laser mark two-dimensional code and pairing serial number on the bevel outer circle surface of the driven gear. At the same time, the other marking head of the laser marking machine works to laser mark pairing serial number and installation distance on the driving gear end face. After the equipment work is completed, the workpiece is loosened, and the operator takes down the workpiece and puts it back to the original position of the special transfer frame. This marking method needs the operator to manually carry the gear many times, and the efficiency is low. Therefore, the application is proposed. SUMMARY

[0003] The application provides an automatic laser marking machine to solve the technical problem that the operator repeatedly carries driving gear and driven gear from a special transfer frame in the prior art, resulting in low work efficiency. The above technical purpose of the utility model is realized by the following technical scheme:

[0004] An automatic laser marking machine comprises a workbench, a rotating shaft, a rotating table, a moving frame, a limiting device, a supporting frame, a mechanical hand, a marking module, a protective device, a terminal control console, a first motor and a belt assembly. The rotating shaft is rotationally arranged in the workbench. The rotating table is arranged on the rotating shaft. The moving frame is arranged on the rotating table. The limiting device is arranged on the rotating table and limits the moving frame. The supporting frame is arranged on the side edge of the workbench. The mechanical hand is arranged on the supporting frame. The marking module is arranged on the mechanical hand. The protective device is arranged on the periphery of the workbench. The terminal control console is arranged on the protective device. The first motor is arranged on the workbench. The belt assembly is arranged between the driving shaft of the first motor and the rotating shaft.

[0005] Further, the protective device comprises a protective frame, a protective net and a safety grating. The protective frame is provided with notches on the side away from the mechanical hand. The protective net is arranged on the protective frame. The safety grating is arranged between the notches of the protective frame. The terminal control console is located outside the protective frame.

[0006] Further, the limiting device comprises first limiting blocks, supporting blocks, second motors and second limiting blocks, the first limiting blocks are symmetrically arranged on the workbench near one side of the mechanical arm, the supporting blocks are symmetrically arranged on the workbench away from the mechanical arm, the second motors are arranged on the supporting blocks on the two sides respectively, and the second limiting blocks are arranged on the output ends of the second motors.

[0007] Further, the moving frame is provided with sliding wheels at the bottom.

[0008] Further, the supporting frame is provided with a first placing groove and a second placing groove.

[0009] Further, one side of the workbench is provided with an inclined step.

[0010] Further, the marking module comprises a marking head and a 3D visual sensing device.

[0011] Compared with the prior art, the beneficial effects of the utility model include:

[0012] The product is placed on the moving frame, and the moving frame is pushed to the rotary table, the high-precision visual identification system and the laser marking device are adopted, the accuracy of the marking position is ensured, the recognition error rate is reduced, the material waste and the rework cost caused by the wrong marking or the recognition error are reduced, the moving frame is rotated by half a circle, the marking head can continuously mark another group of gears on the moving frame, the manual intervention is reduced, and the labor cost is reduced. The safety fence, the warning light and other safety measures are adopted, the working area and the operator are effectively isolated, mechanical injury and other safety hazards are avoided. Meanwhile, the equipment has the fault self-stopping function, can stop running immediately when detecting the abnormal condition, and ensures the safety of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of part of the utility model;

[0015] Figure 3 It is a structural schematic view of the belt assembly of the utility model;

[0016] Figure 4 It is a structural schematic view of the limiting device of the utility model.

[0017] In the figure: 1, workbench; 2, rotating shaft; 3, rotary table; 4, moving frame; 5, support frame; 6, mechanical hand; 7, terminal control console; 8, first motor; 9, belt assembly; 10, protective frame; 11, protective net; 12, safety grating; 13, first limiting block; 14, supporting block; 15, second motor; 16, second limiting block; 17, first placing groove; 18, second placing groove; 19, inclined step; 20, marking head; 21, 3D vision sensing device. DETAILED DESCRIPTION

[0018] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] In order to make the purpose, technical scheme and advantages of the present application more clear and clear, the present application will be further described in detail below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and do not limit the scope of the present application. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the present application.

[0021] Please refer to the accompanying Figures 1-4The utility model provides an automatic laser marking machine, including workbench 1, pivot 2, rotary table 3, moving frame 4, limiting device, support frame 5, manipulator 6, marking module, protective device, terminal console 7, first motor 8 and belt assembly 9, pivot 2 rotates and is arranged in workbench 1, rotary table 3 is arranged on pivot 2, moving frame 4 is arranged on rotary table 3, limiting device is arranged on rotary table 3, limiting device is positioned to moving frame 4, support frame 5 is arranged in the side of workbench 1, manipulator 6 is arranged on support frame 5, marking module is arranged on manipulator 6, protective device is arranged on the periphery of workbench 1, terminal console 7 is arranged on protective device, first motor 8 is arranged on workbench 1, and belt assembly 9 is arranged between the drive shaft of first motor 8 and pivot 2.

[0022] Adopt above technical scheme, workbench 1 is the base of entire equipment, it stably supports all components, pivot 2 works in workbench 1 through bearing, can rotate stably, rotary table 3 is fixed on pivot 2, rotates along with the rotation of pivot 2 and provides a rotatable platform for placing to be marked bevel gear pair, moving frame 4 is installed on rotary table 3, is used to carry and move workpiece to marking position, limiting device ensures that the movement track of moving frame 4 on rotary table 3 is accurate and faultless, avoids the position deviation in marking process, guarantees marking precision, support frame 5 is located in the side of workbench 1, supports manipulator 6, realizes flexible up and down, left and right movement through manipulator 6 on it to adapt to the marking demand of different positions, marking module includes marking head 20 and possible 3D vision sensor device 21, is responsible for executing specific marking task, if marking module includes 3D vision sensor device 21, it can carry out accurate three-dimensional positioning to workpiece before marking, ensures the accuracy of marking position, terminal console 7 is located outside protective frame 10, and terminal console 7 is the control center of equipment, and the operator can input command, monitor equipment operating state and carry out necessary adjustment to facilitate operator observation and operation, and guarantee the safety of operator simultaneously.

[0023] The operator pushes the special mobile frame 4 loaded with the bevel gear pair products to be processed into the designated position on the workbench 1 from the open passage of the safety fence, and then starts the equipment. Under the automatic action of the robot assembly, the 3D visual sensing device 21 drives the visual scanning of the special transfer frame and the workpiece on the special transfer frame, identifies the blanking position of the driving gear and the driven gear, identifies the number of teeth of the driving gear, and if there are two kinds of driving gears with different numbers of teeth on the same transfer frame, the warning light is red, the robot is reset and stopped, and then returns to the initial position of the robot. The two workstations on the robot assembly automatically rotate the laser marking device to the working position. Under the automatic action of the robot assembly, the laser marking device marks the workpiece on the special transfer frame. The robot returns to the initial position, the equipment is reset and stopped, and the operator pushes away the special transfer trolley loaded with the processed bevel gear pair.

[0024] In some embodiments, the protective device includes a protective frame 10, a protective net 11 and a safety grating 12. The protective frame 10 is provided with a notch away from the manipulator 6. The protective net 11 is arranged on the protective frame 10. The safety grating 12 is arranged between the notches of the protective frame 10. The terminal control console 7 is located outside the protective frame 10. The protective frame 10, the protective net 11 and the safety grating 12 form a safe operating environment. The protective frame 10 and the protective net 11 prevent splashes from injuring the operator during operation. The safety grating 12 can immediately stop the equipment when detecting that a person enters the working area, ensuring the safety of the personnel.

[0025] In some embodiments, the limiting device includes first limiting blocks 13, support blocks 14, a second motor 15 and second limiting blocks 16. The first limiting blocks 13 are symmetrically arranged on one side of the workbench 1 close to the manipulator 6. The support blocks 14 are symmetrically arranged on the other side of the workbench 1 away from the manipulator 6. The second motor 15 is arranged on the support blocks 14 on both sides. The second limiting blocks 16 are arranged on the output ends of the second motor 15.

[0026] With the above technical scheme, when the mobile frame 4 moves to the workbench 1, the mobile frame 4 is moved to abut against the limiting blocks. Then the second motor 15 is controlled to rotate, so that the second motor 15 drives the second limiting blocks 16 to rotate, and the second limiting blocks 16 rotate from the vertical state to the horizontal state. At this time, the second limiting blocks 16 will clamp the mobile frame 4. In this way, through the cooperation of the first limiting blocks 13 and the second limiting blocks 16, the mobile frame 4 can be stably positioned on the workbench 1. In detail, the first limiting blocks 13 are L-shaped, and the L-shaped first limiting blocks 13 on the left and right sides can limit the front side and the left and right sides of the mobile frame 4.

[0027] In some embodiments, the mobile frame 4 is provided with sliding wheels at the bottom. The sliding wheels can facilitate the movement of the mobile frame 4.

[0028] In some embodiments, the support frame 5 is provided with a first placing groove 17 and a second placing groove 18. The first placing groove 17 and the second placing groove 18 are respectively used for placing the driving gear and the driven gear.

[0029] In some embodiments, the workbench 1 is provided with an inclined step 19 on one side. The inclined step 19 facilitates the movement of the mobile frame 4 into and out of the workbench 1 through the sliding wheels.

[0030] In some embodiments, the marking module comprises a marking head 20 and a 3D visual sensing device 21. The integration of the 3D visual sensing device 21 in the marking module can perform three-dimensional scanning and positioning on the workpiece before marking, ensuring the accuracy of the marking position. This integrated design reduces the complexity of the equipment, improves the marking efficiency and precision, and at the same time, the 3D visual sensing device 21 can also detect whether the workpiece has defects or misplacement, further improving the intelligent level of the equipment.

[0031] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation of the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An automatic laser marking machine, characterized in that, The utility model provides a workbench, pivot, rotary table, moving frame, limiting device, support frame, manipulator, marking module, protective device, terminal control console, first motor and belt assembly, the pivot rotates sets up in the workbench, the rotary table sets up on the pivot, the moving frame sets up on the rotary table, the limiting device sets up on the rotary table, the limiting device is located to the moving frame, the support frame sets up in the workbench side, the manipulator sets up in the support frame, the marking module sets up in the manipulator, the protective device sets up in the workbench periphery, the terminal control console sets up in the protective device, the first motor sets up in the workbench, the belt assembly sets up between the drive shaft of first motor and the pivot.

2. An automatic laser marking machine according to claim 1, characterized in that, The protective device includes a protective frame, a protective net and a safety grating, the protective frame is provided with a notch on the side away from the manipulator, the protective net is arranged on the protective frame, the safety grating is arranged between the notches of the protective frame, and the terminal control console is located outside the protective frame.

3. An automatic laser marking machine according to claim 1, characterized in that, The limiting device includes first limiting blocks, support blocks, second motors and second limiting blocks, the first limiting blocks are symmetrically arranged on one side of the workbench close to the manipulator, the support blocks are symmetrically arranged on one side of the workbench away from the manipulator, the second motors are respectively arranged on the support blocks on both sides, and the second limiting blocks are arranged on the output ends of the second motors.

4. An automatic laser marking machine according to claim 1, characterized in that, The moving frame is provided with sliding wheels at the bottom.

5. An automatic laser marking machine according to claim 1, characterized in that, The support frame is provided with a first placing groove and a second placing groove.

6. An automatic laser marking machine according to claim 1, characterized in that, One side of the workbench is provided with an inclined step.

7. An automatic laser marking machine according to claim 1, characterized in that, The marking module includes a marking head and a 3D vision sensing device.

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