Laser marking machine capable of automatically conveying workpieces

Abstract

The invention discloses a workpiece conveying automation laser marking machine which comprises a machine table, a marking chamber is arranged on the machine table, a workpiece conveying belt is arranged on the machine table, the two ends of the workpiece conveying belt extend out of the marking chamber, a marking station is arranged in the marking chamber, and a laser marking head is installed at the marking station of the marking chamber through an adjusting mechanism. A posture detection camera used for detecting the posture of the marked workpiece is further arranged in the marking chamber, and the industrial computer is used for controlling the adjusting mechanism according to the horizontal state of the marked workpiece and the inclination angle of the marked surface; according to the adjusting mechanism, the inclination angle of the marking laser head is adjusted through rotation of the vertical rotating seat, so that the marking laser head and the marking surface are always in a vertical state; in this way, the marking workpiece does not need to be conveyed in a specific posture, the posture of the marking laser head is adjusted through the adjusting mechanism, and the marking laser head is made to be perpendicular to the marking face all the time.

Description

Technical Field

[0001] The invention relates to the technical field related to laser marking, and in particular to a laser marking machine with automated workpiece conveying. Background Art

[0002] Laser marking is a process for engraving the required text and patterns on objects. When fine and high-speed laser marking is required, a scanning laser marking machine is generally used. However, the laser marking heads in existing laser marking machines are mostly fixed. When marking the workpiece, the workpiece needs to be transported in a specific posture, which makes the structure complicated and requires multiple devices to work together, increasing the operating cost. Summary of the invention

[0003] In order to solve the problem in the prior art that most laser marking heads are fixed, and when marking a workpiece, the workpiece needs to be transported in a specific posture, which makes the structure complicated and requires multiple devices to work together, thereby increasing the operating cost, the present invention provides a laser marking machine with automatic workpiece transportation.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The present invention discloses a laser marking machine with automated workpiece conveying, comprising a machine platform, a marking room being arranged on the machine platform, a workpiece conveyor belt being arranged on the machine platform, and two ends of the workpiece conveyor belt extending from the marking room, a marking station being arranged in the marking room, and a laser marking head being installed at the marking station via an adjusting mechanism in the marking room, a posture detection camera for detecting the posture of the marked workpiece being arranged in the marking room, and an industrial computer being further included, wherein the posture detection camera and the adjusting mechanism are both connected to the industrial computer, the posture detection camera conveys the detected posture detection image to the industrial computer, the industrial computer performs calculation to obtain the posture result of the marked workpiece, and the industrial computer controls the adjusting mechanism according to the posture result of the marked workpiece, so that the laser marking head is accurately docked with the marking surface of the marking station.

[0006] As a preferred technical solution of the present invention, the adjustment mechanism includes a vertical frame arranged on the upper part of the machine and located in the marking room, the vertical frame is provided with a horizontal frame arranged horizontally and located directly above the workpiece conveyor belt, the horizontal frame is provided with a telescopic cylinder pointing vertically downward, and the telescopic end of the telescopic cylinder is provided with a lifting seat, a horizontal rotating seat that rotates horizontally is installed at the bottom of the lifting seat, and a positioning frame is installed at the rotating end of the horizontal rotating seat, and a vertical rotating seat that rotates vertically is provided on the positioning frame, and the laser marking head is fixed at the rotating end of the vertical rotating seat; the adjustment mechanism adjusts the horizontal angle of the marking laser head by rotating the horizontal rotating seat; the adjustment mechanism adjusts the inclination angle of the marking laser head by rotating the vertical rotating seat.

[0007] As a preferred technical solution of the present invention, the lifting seat is provided with a horizontal angle sensor for detecting the horizontal rotation angle of the horizontal rotating seat, and the positioning frame is provided with a vertical angle sensor for detecting the vertical rotation angle of the vertical rotating seat.

[0008] As a preferred technical solution of the present invention, a smoke filtering mechanism for filtering smoke generated during the laser marking process is provided in the marking chamber, and the smoke filtering mechanism includes an air suction hood arranged on one side of the marking station, and the air suction hood is provided with a lateral smoking port facing the marking station, a smoke filtering mechanism located in the marking chamber is also provided on the machine, and the smoke filtering mechanism includes a filter box, and a pull-out rack is provided in the filter box, and an activated carbon filter bag is provided in the pull-out rack, a suction fan is also provided in the lower part of the inner cavity of the machine, and the air inlet end of the suction fan is connected to the air outlet end of the filter box, the air inlet end of the filter box is connected to the suction hood via an air guide pipe, and an air outlet is provided at the lower end of the side wall of the machine.

[0009] As a preferred technical solution of the present invention, the marking room is further provided with an inspection station behind the marking station, and the inspection station is provided with a visual camera for performing marking inspection on the marked workpiece after marking, and the visual camera is connected to an industrial computer. A display screen connected to the industrial computer is also provided on the machine platform, and the display screen is used to display the marking pattern after marking and the posture detection structure of the marking station.

[0010] As a preferred technical solution of the present invention, the marking room is also provided with an inclination detection camera for detecting the inclination angle of the marking surface of the marking part, and the inclination detection camera is connected to an industrial computer, and the industrial computer adjusts the rotation of the vertical rotating seat in the adjustment mechanism according to the inclination angle of the marking surface detected by the inclination detection camera, and adjusts the inclination angle of the marking laser head.

[0011] As a preferred technical solution of the present invention, a background plate corresponding to the tilt detection camera is provided on the side of the marking room.

[0012] As a preferred technical solution of the present invention, the working method of the laser marking machine is as follows: first, the marking workpiece is placed on the workpiece conveyor belt, and the workpiece conveyor belt conveys the marking workpiece into the marking room, and then the horizontal state of the marking workpiece is detected by the posture detection mechanism, and at the same time, the inclination angle of the marking surface of the marking part is detected by the inclination detection camera, and then the industrial computer controls the adjustment mechanism according to the horizontal state of the marking workpiece and the inclination angle of the marking surface, and the horizontal angle of the marking laser head is adjusted by the rotation of the horizontal rotating seat; the adjustment mechanism adjusts the inclination angle of the marking laser head by the rotation of the vertical rotating seat, so that the marking laser head and the marking surface are always in a vertical state.

[0013] The beneficial effects of the present invention are:

[0014] This type of laser marking machine with automated workpiece conveying places the marked workpiece on the workpiece conveyor belt, and the workpiece conveyor belt conveys the marked workpiece into the marking room. The posture detection mechanism is used to detect the horizontal state of the marked workpiece, and the inclination angle of the marking surface of the marked workpiece is detected by the inclination detection camera. Then the industrial computer controls the adjustment mechanism according to the horizontal state of the marked workpiece and the inclination angle of the marking surface, and the horizontal angle of the marking laser head is adjusted by the rotation of the horizontal rotating seat; the adjustment mechanism adjusts the inclination angle of the marking laser head by the rotation of the vertical rotating seat, so that the marking laser head and the marking surface are always in a vertical state; in this way, there is no need to install the marked workpiece in a specific posture for conveying, and the adjustment mechanism adjusts the posture of the marking laser head, so that the marking laser head and the marking surface are always in a vertical state. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0016] In the attached picture:

[0017] Figure 1 It is a structural schematic diagram of a laser marking machine with automated workpiece conveying according to the present invention;

[0018] Figure 2 It is a structural schematic diagram of an adjustment mechanism of a laser marking machine with automated workpiece conveying according to the present invention;

[0019] Figure 3 It is a structural schematic diagram of a smoke filtering mechanism of a laser marking machine with automated workpiece conveying according to the present invention;

[0020] Figure 4 The system block diagram of a laser marking machine with automatic workpiece conveying of the present invention.

[0021] In the figure: 1. Machine; 2. Marking room; 3. Workpiece conveyor belt; 4. Laser marking head; 5. Posture detection camera; 6. Industrial computer; 7. Adjustment mechanism; 8. Vertical frame; 9. Horizontal frame; 10. Telescopic cylinder; 11. Lifting seat; 12. Horizontal rotating seat; 13. Positioning frame; 14. Vertical rotating seat; 15. Horizontal angle sensor; 16. Vertical angle sensor; 17. Smoke filtering mechanism; 18. Suction hood; 19. Lateral smoking port; 20. Smoke filtering mechanism; 21. Filter box; 22. Pull-out frame; 23. Activated carbon filter bag; 24. Suction fan; 25. Air outlet; 26. Visual camera; 27. Display screen; 28. Tilt detection camera; 29. ​​Background board. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the present invention is a laser marking machine with automated workpiece conveying, comprising a machine platform 1, a marking chamber 2 is provided on the machine platform 1, a workpiece conveyor belt 3 is provided on the machine platform 1, and both ends of the workpiece conveyor belt 3 extend from the marking chamber 2, and a marking station is provided in the marking chamber 2, and a laser marking head 4 is installed at the marking station through an adjustment mechanism 7 in the marking chamber 2, and a posture detection camera 5 for detecting the posture of the marked workpiece is also provided in the marking chamber, and an industrial computer 6 is also included, and the posture detection camera 5 and the adjustment mechanism 7 are both connected to the industrial computer 6, and the posture detection camera 5 conveys the detected posture detection image to the industrial computer 6, and the industrial computer 6 calculates to obtain the posture result of the marked workpiece, and the industrial computer 6 controls the adjustment mechanism 7 according to the posture result of the marked workpiece, so that the laser marking head 4 is accurately docked with the marking surface of the marking station. The marking workpiece is placed on the workpiece conveyor belt, and the workpiece conveyor belt conveys the marking workpiece into the marking room. The posture detection mechanism is used to detect the horizontal state of the marking workpiece, and the inclination angle of the marking surface of the marking part is detected by the inclination detection camera. Then the industrial computer controls the adjustment mechanism according to the horizontal state of the marking workpiece and the inclination angle of the marking surface, and the horizontal angle of the marking laser head is adjusted by the rotation of the horizontal rotating seat; the adjustment mechanism adjusts the inclination angle of the marking laser head by the rotation of the vertical rotating seat, so that the marking laser head and the marking surface are always in a vertical state; in this way, there is no need to install the marking workpiece in a specific posture for transportation, and the adjustment mechanism adjusts the posture of the marking laser head, so that the marking laser head and the marking surface are always in a vertical state.

[0024] The adjusting mechanism 7 comprises a vertical frame 8 arranged on the upper part of the machine table 1 and located in the marking room 2, the vertical frame 8 is provided with a horizontal frame 9 arranged horizontally and located directly above the workpiece conveyor belt, the horizontal frame 9 is provided with a telescopic cylinder 10 extending vertically downward, and a lifting seat 11 is provided at the telescopic end of the telescopic cylinder 10, a horizontal rotating seat 12 rotating horizontally is installed at the bottom of the lifting seat 11, and a positioning frame 13 is installed at the rotating end of the horizontal rotating seat 12, and a vertical rotating seat 14 rotating in the vertical direction is provided on the positioning frame 13, The laser marking head 4 is fixed on the rotating end of the vertical rotating seat 14; the adjusting mechanism adjusts the horizontal angle of the marking laser head 4 by rotating the horizontal rotating seat 12; the adjusting mechanism adjusts the inclination angle of the marking laser head 4 by rotating the vertical rotating seat 14; in this way, there is no need to install the marked workpiece in a specific posture for transportation, and the adjusting mechanism adjusts the posture of the marking laser head, so that the marking laser head and the marking surface are always in a vertical state, and the placement adjustment requirements for the marked workpiece are low, which facilitates the marking work of the marked workpiece.

[0025] Among them, the lifting seat 11 is provided with a horizontal angle sensor 15 for detecting the horizontal rotation angle of the horizontal rotating seat 12, and the positioning frame 13 is provided with a vertical angle sensor 16 for detecting the vertical rotation angle of the vertical rotating seat 14, which is convenient for detecting the adjustment angle and facilitating the adjustment of the adjustment mechanism.

[0026] Among them, the marking chamber 2 is provided with a smoke filtering mechanism 17 for filtering the smoke generated during the laser marking process, and the smoke filtering mechanism 17 includes an air suction hood 18 arranged on one side of the marking station, and the air suction hood 18 is provided with a lateral smoking port 19 facing the marking station, and the machine 1 is also provided with a smoke filtering mechanism 20 located in the marking chamber 2, and the smoke filtering mechanism 20 includes a filter box 21, and a pull-out rack 22 is provided in the filter box 21, and an activated carbon filter bag 23 is provided in the pull-out rack 22, and a suction fan 24 is also provided at the lower part of the inner cavity of the machine 1, and the air inlet end of the suction fan 24 is connected to the air outlet end of the filter box 21, and the air inlet end of the filter box 21 is connected to the suction hood 18 via an air guide pipe, and an air outlet 25 is provided at the lower end of the side wall of the machine 1, so that the smoke generated during the marking process is adsorbed to avoid being emitted to the working environment and causing damage to the respiratory system of the staff.

[0027] Among them, the marking room 2 is also provided with an inspection station behind the marking station, and the inspection station is provided with a visual camera 26 for performing marking inspection on the marked workpiece after marking. The visual camera 26 is connected to the industrial computer 6. The machine 1 is also provided with a display screen 27 connected to the industrial computer 6, and the display screen 27 is used to display the marking pattern after marking and the posture detection structure of the marking station, which facilitates visual inspection of the marked product.

[0028] Among them, the marking room 2 is also provided with a tilt detection camera 28 for detecting the tilt angle of the marking surface of the marking part, and the tilt detection camera 28 is connected to the industrial computer 6, and the industrial computer 6 adjusts the rotation of the vertical rotating seat 14 in the adjustment mechanism according to the tilt angle of the marking surface detected by the tilt detection camera 28, and adjusts the tilt angle of the marking laser head 4.

[0029] Wherein, a background plate 29 corresponding to the tilt detection camera 28 is provided on the side of the marking chamber 2 .

[0030] Among them, the working method of the laser marking machine is, firstly, the marking workpiece is placed on the workpiece conveyor belt, the workpiece conveyor belt conveys the marking workpiece into the marking room, and then the posture detection mechanism is used to detect the horizontal state of the marking workpiece, and at the same time, the inclination angle of the marking surface of the marking part is detected by the inclination detection camera, and then the industrial computer controls the adjustment mechanism according to the horizontal state of the marking workpiece and the inclination angle of the marking surface, and the horizontal angle of the marking laser head is adjusted by the rotation of the horizontal rotating seat; the adjustment mechanism adjusts the inclination angle of the marking laser head by the rotation of the vertical rotating seat, so that the marking laser head and the marking surface are always in a vertical state, and the marking workpiece needs to be installed in a specific posture for transportation, and the adjustment mechanism adjusts the posture of the marking laser head, so that the marking laser head and the marking surface are always in a vertical state.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A laser marking machine with automated workpiece conveying, characterized in that: The invention comprises a machine (1), wherein the machine (1) is provided with a marking chamber (2), the machine (1) is provided with a workpiece conveyor belt (3), and the two ends of the workpiece conveyor belt (3) extend from the marking chamber (2), and the marking chamber (2) is provided with a marking station, and the marking chamber (2) is provided with a laser marking head (4) at the marking station via an adjustment mechanism (7), and the marking chamber is also provided with a posture detection camera (5) for detecting the posture of the marked workpiece, and also comprises an industrial computer (6), wherein the posture detection camera (5) and the adjustment mechanism (7) are both connected to the industrial computer (6), the posture detection camera (5) conveys the detected posture detection image to the industrial computer (6), and the industrial computer (6) calculates to obtain the posture result of the marked workpiece, and the industrial computer (6) controls the adjustment mechanism (7) according to the posture result of the marked workpiece, so that the laser marking head (4) is accurately connected with the marking surface of the marking station.

2. The laser marking machine with automated workpiece conveying according to claim 1, characterized in that: The adjustment mechanism (7) comprises a vertical frame (8) arranged on the upper part of the machine platform (1) and located in the marking room (2); the vertical frame (8) is provided with a horizontal frame (9) arranged transversely and located directly above the workpiece conveyor belt; the horizontal frame (9) is provided with a telescopic cylinder (10) extending vertically downward, and the telescopic end of the telescopic cylinder (10) is provided with a lifting seat (11); the bottom of the lifting seat (11) is provided with a horizontal rotating seat (12) rotating horizontally, and the rotating end of the horizontal rotating seat (12) is provided with a positioning frame (13), and the positioning frame (13) is provided with a vertical rotating seat (14) rotating in the vertical direction, and the laser marking head (4) is fixed to the rotating end of the vertical rotating seat (14); the adjustment mechanism adjusts the horizontal angle of the marking laser head (4) by rotating the horizontal rotating seat (12); the adjustment mechanism adjusts the inclination angle of the marking laser head (4) by rotating the vertical rotating seat (14).

3. The laser marking machine with automated workpiece conveying according to claim 2, characterized in that: The lifting seat (11) is provided with a horizontal angle sensor (15) for detecting the horizontal rotation angle of the horizontal rotating seat (12), and the positioning frame (13) is provided with a vertical angle sensor (16) for detecting the vertical rotation angle of the vertical rotating seat (14).

4. The laser marking machine with automated workpiece conveying according to claim 1, characterized in that: The marking chamber (2) is provided with a smoke filter mechanism (17) for filtering smoke generated during the laser marking process, and the smoke filter mechanism (17) includes a suction hood (18) located on one side of the marking station, and the suction hood (18) is provided with a lateral suction port (19) facing the marking station, and the machine (1) is also provided with a smoke filter mechanism (20) located in the marking chamber (2), and the smoke filter mechanism (20) includes a A filter box (21) is provided with a pull-out rack (22) in the filter box (21), and an activated carbon filter bag (23) is provided in the pull-out rack (22); a suction fan (24) is also provided at the lower part of the inner cavity of the machine (1), and the air inlet end of the suction fan (24) is connected to the air outlet end of the filter box (21); the air inlet end of the filter box (21) is connected to the air suction cover (18) via an air guide pipe; and an air outlet (25) is provided at the lower end of the side wall of the machine (1).

5. The laser marking machine with automated workpiece conveying according to claim 1, characterized in that: The marking room (2) is also provided with an inspection station behind the marking station, and the inspection station is provided with a visual camera (26) for performing marking inspection on the marked workpiece after marking, and the visual camera (26) is connected to the industrial computer (6). The machine (1) is also provided with a display screen (27) connected to the industrial computer (6), and the display screen (27) is used to display the marking pattern after marking and the posture detection structure of the marking station.

6. The laser marking machine with automated workpiece conveying according to claim 1, characterized in that: The marking chamber (2) is also provided with a tilt detection camera (28) for detecting the tilt angle of the marking surface of the marking part, and the tilt detection camera (28) is connected to the industrial computer (6), and the industrial computer (6) rotates the vertical rotating seat (14) in the adjustment mechanism according to the tilt angle of the marking surface detected by the tilt detection camera (28), thereby adjusting the tilt angle of the marking laser head (4).

7. The laser marking machine with automated workpiece conveying according to claim 6, characterized in that: A background plate (29) corresponding to the tilt detection camera (28) is provided on the side of the marking room (2).

8. A laser marking machine with automated workpiece conveyance according to any one of claims 1 to 7, characterized in that: The working method of the laser marking machine is as follows: first, the marking workpiece is placed on the workpiece conveyor belt, and the workpiece conveyor belt conveys the marking workpiece into the marking room, and then the horizontal state of the marking workpiece is detected by the posture detection mechanism, and the inclination angle of the marking surface of the marking part is detected by the inclination detection camera, and then the industrial computer controls the adjustment mechanism according to the horizontal state of the marking workpiece and the inclination angle of the marking surface, and the horizontal angle of the marking laser head is adjusted by the rotation of the horizontal rotating seat; the adjustment mechanism adjusts the inclination angle of the marking laser head by the rotation of the vertical rotating seat, so that the marking laser head and the marking surface are always in a vertical state.

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