Novel laser cutting robot

Abstract

The utility model relates to the technical field of automobile part production, machining and manufacturing, and discloses a novel laser cutting robot which comprises a base. The cutting assembly comprises a disc and a laser cutting head, and a mounting cavity is formed in the wall surface of the bottom end of the disc; the connecting rod assembly comprises a second connecting rod, a third connecting rod and a first connecting rod; and the position adjusting unit is arranged in the mounting cavity of the disc, and the position adjusting unit comprises a long strip plate and a rotating shaft. The cutting assembly and the position adjusting unit are arranged and can rotate in the mounting cavity of the disc, the position adjusting unit drives the laser cutting head to conduct circle drawing rotary cutting, the position of the laser cutting head can be adjusted according to the diameter of a cut circle, and therefore the requirement for cutting circles with different diameters is met, and the device is simpler to operate and more convenient to use. And the flatness after cutting is high, and the practicability of the device is improved through the reasonable structural design.

Description

Technical Field

[0001] The utility model relates to the technical field of production, processing and manufacturing of automobile parts, in particular to a novel laser cutting robot. Background Art

[0002] The automatic cutting robot fully integrates the laser beam guide into the robot arm, combines the advantages of the laser workbench and the moving robot arm, and performs laser cutting and laser drilling on the parts during the production and processing of automotive parts.

[0003] Most existing technologies use X-axis and Y-axis moving laser cutting heads to complete circular cutting, which results in burrs on the cut surface and low flatness, requiring further polishing. This process is time-consuming and leads to low production efficiency.

[0004] Therefore, those skilled in the art provide a new type of laser cutting robot to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a novel laser cutting robot, which solves the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A new type of laser cutting robot, which includes: a base, a linear guide rail is provided at the bottom end of the base; a cutting assembly, the cutting assembly includes a disc and a laser cutting head, the laser cutting head is arranged below the disc, and an installation cavity is provided on the bottom end wall of the disc; a connecting rod assembly, the connecting rod assembly is arranged between the base and the disc, the connecting rod assembly includes a second connecting rod, a third connecting rod and a first connecting rod; a position adjustment unit, the position adjustment unit is arranged in the installation cavity of the disc, the position adjustment unit includes a long plate and a rotating shaft, a locking groove is provided on the side wall of the long plate close to the laser cutting head, a movable plate is movably engaged in the locking groove, the movable plate is fixedly connected to the laser cutting head, a screw rod is movably installed in the locking groove, the screw rod movably passes through the movable plate, and the screw rod and the movable plate are transmission-coordinated.

[0008] According to the new laser cutting robot, the disc is fixedly connected to the bottom end of the third connecting rod, the axis of the disc and the axis of the third connecting rod are on the same straight line, and a rectangular groove is provided at the bottom end of the third connecting rod, in which a second servo motor is fixedly installed.

[0009] According to the novel laser cutting robot, one end of the rotating shaft movably passes through the disc and is fixedly connected to one end of the long strip, and the other end of the rotating shaft is fixedly connected to the output shaft of the second servo motor.

[0010] According to the new laser cutting robot, one end of the long strip is arc-shaped, and a third servo motor is fixedly installed on the arc-shaped outer wall of the long strip. The output shaft of the third servo motor movably passes through the engaging groove and is fixedly connected to one end of the screw rod, and the screw rod and the movable plate are in a threaded connection relationship.

[0011] According to the new laser cutting robot, the third servo motor and the bottom end wall of the long plate are commonly connected with a support plate, the movable plate is T-shaped, and the end of the long plate away from the third servo motor is fixedly connected with a limited anti-slip block.

[0012] According to the novel laser cutting robot, a limiting groove is provided in the installation cavity of the disc, and the limiting anti-fall-off block is movably engaged in the limiting groove.

[0013] According to the new laser cutting robot, the third link and the second link are in a movable connection relationship, the first link and the second link are in a movable connection relationship, a first servo motor is provided at the connection between the second link and the third link, and at the connection between the second link and the first link, and a rotating component is provided between the bottom end of the first link and the base.

[0014] The utility model provides a new type of laser cutting robot. It has the following beneficial effects:

[0015] (1) The present application sets a cutting assembly, and the position adjustment unit can rotate in the installation cavity of the disc. The position adjustment unit drives the laser cutting head to perform circular rotation cutting, and can adjust the position of the laser cutting head according to the diameter of the cutting circle, thereby meeting the needs of cutting circles with different diameters. The operation of the device is simpler, the flatness after cutting is high, and the practicality of the device is improved through reasonable structural design.

[0016] (2) The disc is fixedly connected to the bottom end of the third connecting rod, and the axis of the disc and the axis of the third connecting rod are on the same straight line. A rectangular groove is opened at the bottom end of the third connecting rod, and a second servo motor is fixedly installed in the rectangular groove. The second servo motor drives the rotating shaft to rotate during operation, and the rotating shaft is fixedly connected to the long strip. Therefore, when the long strip rotates with the rotating shaft, the laser cutting head synchronously completes the circular cutting operation.

[0017] (3) By setting a support plate to support the third servo motor, the movable plate is T-shaped, and one end of the movable plate is movably engaged in the engaging groove. By opening a limiting groove in the cavity of the disc, the limiting anti-slip block is movably engaged in the limiting groove. The setting of the limiting anti-slip block plays a role in limiting the long strip plate, thereby further improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a new type of laser cutting robot in the present utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of a cutting component of a new type of laser cutting robot in the present utility model;

[0020] Figure 3 This is a bottom view schematic diagram of a cutting assembly of a novel laser cutting robot according to the present invention;

[0021] Figure 4 This is a bottom view schematic diagram of a position adjustment unit of a novel laser cutting robot according to the present invention;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of a position adjustment unit of a new laser cutting robot in the present utility model.

[0023] Legend:

[0024] 10. Base; 11. Linear guide; 12. Second connecting rod; 13. Disc; 14. Laser cutting head; 15. Rotating axis; 16. Second servo motor; 17. Limiting groove; 18. Position adjustment unit; 19. Long strip; 20. Engaging groove; 21. Screw; 22. Moving plate; 23. Third servo motor; 24. Support plate; 25. Limiting anti-dropping block; 26. Third connecting rod; 27. First connecting rod; 28. Rotating component. DETAILED DESCRIPTION

[0025] like Figure 1-5 As shown: A new type of laser cutting robot, which includes: a base 10, the bottom end of which is provided with a linear guide 11; a cutting assembly, which includes a disc 13 and a laser cutting head 14, the laser cutting head 14 is arranged below the disc 13, and a mounting cavity is opened on the bottom end wall of the disc 13; a connecting rod assembly, which is arranged between the base 10 and the disc 13, and includes a second connecting rod 12, a third connecting rod 26 and a first connecting rod 27; position The adjustment unit 18 is arranged in the installation cavity of the disc 13. The position adjustment unit 18 includes a long plate 19 and a rotating shaft 15. A locking groove 20 is provided on the side wall of the long plate 19 close to the laser cutting head 14. A movable plate 22 is movably engaged in the locking groove 20. The movable plate 22 is fixedly connected to the laser cutting head 14. A screw rod 21 is movably installed in the locking groove 20. The screw rod 21 movably passes through the movable plate 22, and the screw rod 21 and the movable plate 22 are matched for transmission.

[0026] It is worth noting that the laser cutting head 14 is used for laser cutting automobile steel plates and parts. A laser cutting robot with an exhaust gas treatment function (publication number: CN220560703U) has been disclosed in the prior art and will not be described in detail here.

[0027] Specifically, laser cutting and laser drilling are required during the production and processing of automobile parts. Most of the existing technologies complete circular cutting by moving the laser cutting head 14 on the X-axis and Y-axis. The cut has burrs and the flatness is not high, which requires further polishing. This application sets a cutting component, and the position adjustment unit 18 can rotate in the installation cavity of the disc 13. The position adjustment unit 18 drives the laser cutting head 14 to perform circular rotation cutting, and can adjust the position of the laser cutting head 14 according to the diameter of the cutting circle, so as to meet the needs of cutting different circle diameters. The operation of this device is simpler, the flatness after cutting is high, and the practicality of this device is improved through reasonable structural design.

[0028] Disc 13 is fixedly connected to the bottom end of third connecting rod 26, with the axes of disc 13 and third connecting rod 26 aligned. A rectangular slot is defined at the bottom end of third connecting rod 26, within which second servo motor 16 is fixedly mounted. One end of rotating shaft 15 flexibly passes through disc 13 and is fixedly connected to one end of elongated plate 19. The other end of rotating shaft 15 is fixedly connected to the output shaft of second servo motor 16.

[0029] Specifically, the disc 13 is fixedly connected to the bottom end of the third connecting rod 26, the axis of the disc 13 and the axis of the third connecting rod 26 are on the same straight line, and a rectangular groove is opened at the bottom end of the third connecting rod 26. A second servo motor 16 is fixedly installed in the rectangular groove. The second servo motor 16 drives the rotating shaft 15 to rotate during operation. The rotating shaft 15 is fixedly connected to the long plate 19, so that when the long plate 19 rotates following the rotating shaft 15, the laser cutting head 14 synchronously completes the circular cutting operation.

[0030] One end of the long plate 19 is arc-shaped, and a third servo motor 23 is fixedly installed on the arc-shaped outer wall surface of the long plate 19. The output shaft of the third servo motor 23 movably passes through the engaging groove 20 and is fixedly connected to one end of the screw rod 21. The screw rod 21 and the movable plate 22 are in a threaded connection relationship.

[0031] Specifically, during the process of adjusting the position of the movable plate 22, the third servo motor 23 drives the screw rod 21 to rotate, and the screw rod 21 moves through the movable plate 22. The movable plate 22 is fixedly connected to the laser cutting head 14, so that the movement of the movable plate 22 drives the laser cutting head 14 to move synchronously, completing the adjustment of the position of the laser cutting head 14 and changing the diameter of the cutting circle.

[0032] A support plate 24 is connected to the bottom wall of the third servo motor 23 and the elongated plate 19. The movable plate 22 is T-shaped. The end of the elongated plate 19 away from the third servo motor 23 is fixedly connected to a limit stop block 25. A limit slot 17 is defined within the mounting cavity of the disc 13, and the limit stop block 25 is movably engaged within the limit slot 17.

[0033] Specifically, by providing a support plate 24 to support the third servo motor 23, the movable plate 22 is T-shaped, and one end of the movable plate 22 is movably engaged in the engaging groove 20. By providing a limiting groove 17 in the cavity of the disc 13, the limiting anti-slip block 25 is movably engaged in the limiting groove 17. The limiting anti-slip block 25 is provided to limit the long plate 19, thereby further improving the stability of the device.

[0034] The third link 26 and the second link 12 are in a movably connected relationship, and the first link 27 and the second link 12 are in a movably connected relationship. A first servo motor is provided at the connection between the second link 12 and the third link 26 and at the connection between the second link 12 and the first link 27. A rotating component 28 is provided between the bottom end of the first link 27 and the base 10.

[0035] Specifically, by setting up a connecting rod assembly, the third connecting rod 26 and the second connecting rod 12 are in a movable connection relationship, and the first connecting rod 27 and the second connecting rod 12 are in a movable connection relationship. A first servo motor is provided at the connection between the second connecting rod 12 and the third connecting rod 26, and the second connecting rod 12 and the first connecting rod 27. The position is changed by the first servo motor, which facilitates moving the laser cutting head 14 to the specified position and height. By setting up a rotating component 28, the first connecting rod 27 can be rotated, thereby improving the working adaptability of the robot.

[0036] The working principle of a new type of laser cutting robot in the present application is as follows: by setting a disc 13 and a fixed connection with the bottom end of the third connecting rod 26, the axis of the disc 13 and the axis of the third connecting rod 26 are on the same straight line, and a rectangular groove is opened at the bottom end of the third connecting rod 26, and a second servo motor 16 is fixedly installed in the rectangular groove. The second servo motor 16 drives the rotating shaft 15 to rotate during operation, and the rotating shaft 15 is fixedly connected to the long strip 19, so that when the long strip 19 rotates following the rotating shaft 15, the laser cutting head 14 synchronously completes the circle cutting operation, and in the process of adjusting the position of the laser cutting head 14, the third servo motor 23 drives the screw rod 21 to rotate, and the screw rod 21 moves through the movable plate 22, and the movable plate 22 is fixedly connected to the laser cutting head 14, so that the movement of the movable plate 22 drives the laser cutting head 14 to move synchronously, thereby completing the adjustment of the position of the laser cutting head 14 and changing the diameter of the cutting circle.

[0037] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0038] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A new type of laser cutting robot, characterized in that: include: A base (10), wherein a linear guide rail (11) is disposed at the bottom end of the base (10); A cutting assembly, the cutting assembly comprising a disc (13) and a laser cutting head (14), the laser cutting head (14) being arranged below the disc (13), and a mounting cavity being provided on the bottom end wall surface of the disc (13); A connecting rod assembly, the connecting rod assembly being arranged between the base (10) and the disc (13), the connecting rod assembly comprising a second connecting rod (12), a third connecting rod (26) and a first connecting rod (27); A position adjustment unit (18) is arranged in the installation cavity of the disc (13), and the position adjustment unit (18) comprises a long strip plate (19) and a rotating shaft (15). A clamping groove (20) is provided on a side wall surface of the long strip plate (19) close to the laser cutting head (14), a movable plate (22) is movably clamped in the clamping groove (20), the movable plate (22) is fixedly connected to the laser cutting head (14), a screw rod (21) is movably installed in the clamping groove (20), the screw rod (21) movably penetrates the movable plate (22), and the screw rod (21) and the movable plate (22) are in transmission cooperation.

2. The novel laser cutting robot according to claim 1 is characterized in that: The disc (13) is fixedly connected to the bottom end of the third connecting rod (26), the axis of the disc (13) and the axis of the third connecting rod (26) are on the same straight line, and a rectangular groove is formed at the bottom end of the third connecting rod (26), in which a second servo motor (16) is fixedly installed.

3. The novel laser cutting robot according to claim 1 is characterized in that: One end of the rotating shaft (15) movably passes through the disc (13) and is fixedly connected to one end of the long strip plate (19), and the other end of the rotating shaft (15) is fixedly connected to the output shaft of the second servo motor (16).

4. The novel laser cutting robot according to claim 1 is characterized in that: One end of the long strip plate (19) is arc-shaped, and a third servo motor (23) is fixedly mounted on the arc-shaped outer wall surface of the long strip plate (19). The output shaft of the third servo motor (23) movably passes through the engaging groove (20) and is fixedly connected to one end of the screw rod (21), and the screw rod (21) and the movable plate (22) are in a threaded connection relationship.

5. The novel laser cutting robot according to claim 4 is characterized in that: The third servo motor (23) and the bottom wall of the long plate (19) are commonly connected with a support plate (24); the movable plate (22) is T-shaped; one end of the long plate (19) away from the third servo motor (23) is fixedly connected with a limited position anti-dropping block (25).

6. The novel laser cutting robot according to claim 1 is characterized in that: A limiting groove (17) is provided in the installation cavity of the disc (13), and the limiting anti-falling block (25) is movably engaged in the limiting groove (17).

7. The novel laser cutting robot according to claim 1 is characterized in that: The third connecting rod (26) and the second connecting rod (12) are in a movable connection relationship, the first connecting rod (27) and the second connecting rod (12) are in a movable connection relationship, a first servo motor is provided at the connection between the second connecting rod (12) and the third connecting rod (26) and the second connecting rod (12) and the first connecting rod (27), and a rotating component (28) is provided between the bottom end of the first connecting rod (27) and the base (10).

Images