White tire sidewall marking and carving robot based on 3D vision

Abstract

The utility model discloses a white tire sidewall marking and carving robot based on 3D vision, which relates to the technical field of marking equipment and comprises a rack, a conveying belt is mounted on the rack, a fixing frame is fixedly connected to the right end of the rack, a marking robot is mounted at the top in the fixing frame, and a vision detection assembly is arranged on the left side of the marking robot. The visual detection assembly comprises a movable frame, two guide rails are arranged below the movable frame, supporting seats are fixedly connected to the bottoms of the two sides of the movable frame, a linear motor is installed on the side face of the rack, a connecting plate connected with the supporting seats is installed on a rotor assembly of the linear motor, and a plurality of 3D cameras are installed in the movable frame. The linear motor drives the movable frame to move along the guide rail, so that the 3D cameras and the white tire are in a relatively static state, the white tire is detected from different positions through the three 3D cameras, the position of the white tire on the conveying belt can be accurately determined, and the white tire can be accurately marked and engraved by the marking robot conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of marking equipment, in particular to a marking and engraving robot for the sidewall of a white tire based on 3D vision. Background Art

[0002] White tires are a relatively rare color choice for car tires. Compared with traditional black tires, white tires are more eye-catching and attractive in appearance, so they are chosen in some special cases, such as some classic models and customized vehicles, to show personalization and unique style. Like ordinary tires, white tires need to be printed with logos, letters, numbers or patterns on the side of the tire after production. These markings are usually used to provide important information and characteristics about the tire, including brand, model, size, rated load capacity, maximum speed, etc.

[0003] The utility model patent with application number CN202121468577.7 discloses a visual positioning tire marking device, including a shell, on which an adjustment device and a lifting device are arranged, the adjustment device including a vertical adjustment device, a transverse fixing block, a transverse adjustment column, an adjustment block and an adjustment plate, two vertical adjustment devices are arranged, and are symmetrically installed on the sides of the shell respectively, the transverse fixing block is installed on the vertical adjustment device, the transverse adjustment column passes through the transverse fixing block and is connected to the transverse fixing block, one end of the adjustment block is connected to the transverse adjustment column, and the other end of the adjustment block is installed on the adjustment plate. Through the design of the adjustment device, when marking the tire, the tire must first be placed on the conveyor belt, and then the tire on the conveyor belt is adjusted by the action of the adjustment plate, thereby ensuring that the movement trajectory of the tire will not deflect, thereby ensuring the quality of the marking.

[0004] However, in actual applications, the camera of the device is installed on the top of the portal support frame with a fixed position, and the tire is in a moving state when passing the camera. The moving tire is positioned only from one angle, which can easily lead to inaccurate positioning of the camera on the tire, further making the marking inaccurate. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the existing visual positioning tire marking device only positions the moving tire from one angle, and the positioning of the tire is inaccurate, which leads to inaccurate marking.

[0006] In order to solve the above problems, the technical solution of the utility model is: a white tire sidewall marking and engraving robot based on 3D vision, including a frame, a conveyor belt is installed on the frame, and a fixed frame is fixedly connected to the top of the right end of the frame, a marking robot is installed on the top of the fixed frame, and a visual detection component is provided on the top of the frame on the left side of the marking robot, the visual detection component includes a movable frame, two guide rails are provided under the movable frame, and support seats slidably connected to the guide rails are fixedly connected to the bottom of both sides of the movable frame, a linear motor is installed on the side of the frame, a connecting plate connected to the support seat is installed on the mover assembly of the linear motor, and a plurality of 3D cameras are installed inside the movable frame.

[0007] Furthermore, a limit assembly is provided at the top of the left end of the frame, and the limit assembly includes two fixing plates symmetrically installed at the top of the left end of the frame, an electric push rod is installed through the fixing plate, and the output end of the electric push rod is connected to the limit plate.

[0008] Furthermore, one end of the limiting plate away from the fixing frame is fixedly connected with a guide plate.

[0009] Furthermore, two vertical plates are provided between the position limiting assembly and the visual detection assembly. The vertical plates are mounted on the frame, and an infrared grating detector is installed on one side of the vertical plates.

[0010] Furthermore, three 3D cameras are provided and are respectively located at the inner top and both sides of the movable frame.

[0011] Furthermore, two inclined plates are symmetrically fixed to the upper end of the interior of the movable frame, and the two 3D cameras are mounted on the two inclined plates.

[0012] The advantages of the utility model compared with the existing technology are: the utility model drives the movable frame to move along the guide rail through a linear motor, so that the 3D camera and the white tire are in a relatively static state, and the white tire is detected from different positions by three 3D cameras, so the position of the white tire on the conveyor belt can be accurately determined, which is convenient for the marking robot to accurately mark and engrave the white tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional Figure 1 .

[0014] Figure 2 The utility model is a three-dimensional Figure 2 .

[0015] Figure 3 It is a cross-sectional view of the utility model.

[0016] Figure 4 It is a structural diagram of the visual detection component of the utility model.

[0017] As shown in the figure: 1. Frame; 2. Conveyor belt; 3. Fixed plate; 4. Electric push rod; 5. Limit plate; 6. Guide plate; 7. Vertical plate; 8. Infrared grating detector; 9. Movable frame; 10. Guide rail; 11. Support seat; 12. Linear motor; 13. Connecting plate; 14. 3D camera; 15. Inclined plate; 16. Fixed frame; 17. Marking robot. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] like Figure 1 and Figure 2 As shown, a white tire sidewall marking and engraving robot based on 3D vision includes a frame 1, a conveyor belt 2 is installed on the frame 1, and a fixing frame 16 is fixedly connected to the top of the right end of the frame 1, a marking robot 17 is installed on the top of the fixing frame 16, and a limiting component is provided on the top of the left end of the frame 1. The limiting component includes two fixing plates 3 symmetrically installed on the top of the left end of the frame 1, an electric push rod 4 is installed through the fixing plate 3, the output end of the electric push rod 4 is connected to the limiting plate 5, and the end of the limiting plate 5 away from the fixing frame 16 is fixedly connected to the guide plate 6.

[0020] The electric push rod 4 is extended and retracted to drive the limit plate 5 and the guide plate 6 to move, and the position of the white tire on the conveyor belt 2 is preliminarily limited by the two limit plates 5 to avoid inaccurate marking caused by excessive deviation of the position of the white tire on the conveyor belt 2.

[0021] Two vertical plates 7 are provided between the limit assembly and the visual detection assembly. The vertical plates 7 are mounted on the frame 1 , and an infrared grating detector 8 is installed on one side of the vertical plates 7 .

[0022] The two infrared grating detectors 8 can be used to preliminarily determine the position of the white tire on the conveyor belt 2 .

[0023] like Figure 3 and Figure 4As shown, a visual inspection component is provided on the top of the frame 1 on the left side of the marking robot 17, and the visual inspection component includes a movable frame 9, two guide rails 10 are provided below the movable frame 9, and support seats 11 slidably connected to the guide rails 10 are fixedly connected to the bottom of both sides of the movable frame 9, a linear motor 12 is installed on the side of the frame 1, and a connecting plate 13 connected to the support seat 11 is installed on the moving subassembly of the linear motor 12, three 3D cameras 14 are installed inside the movable frame 9, and two inclined plates 15 are symmetrically fixed to the upper end of the inner part of the movable frame 9, one 3D camera 14 is installed on the inner top of the movable frame 9, and the other two 3D cameras 14 are installed on the two inclined plates 15.

[0024] The linear motor 12 drives the movable frame 9 to move along the guide rail. When the movable frame 9 and the conveyor belt 2 move at the same speed, the 3D camera 14 and the white tire are in a relatively static state. The three 3D cameras 14 detect the white tire from different positions, and the position of the white tire on the conveyor belt 2 can be accurately determined, which is convenient for the marking robot 17 to perform marking and engraving.

[0025] In specific use, the distance between the two limit plates 5 is adjusted according to the size of the white tire, the position of the white tire on the conveyor belt 2 is preliminarily limited by the two limit plates 5, and the position of the white tire on the conveyor belt 2 is preliminarily determined by the two infrared grating detectors 8. When the white tire moves to the inside of the movable frame 9, the linear motor 12 drives the movable frame 9 to move and makes the 3D camera 14 and the white tire relatively stationary. The three 3D cameras 14 detect the white tire from different positions, so that the position of the white tire on the conveyor belt 2 can be accurately determined. When the white tire moves to the inside of the fixed frame 16, the marking robot 17 can accurately mark and engrave the white tire.

[0026] The undisclosed parts in the present invention are all prior art, and their specific structures and working principles are not described in detail.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A 3D vision-based white tire sidewall marking and engraving robot, comprising a frame (1), a conveyor belt (2) is installed on the frame (1), and a fixing frame (16) is fixedly connected to the top of the right end of the frame (1), and a marking robot (17) is installed on the top of the fixing frame (16), characterized in that: A visual detection component is provided at the top of the frame (1) on the left side of the marking robot (17), and the visual detection component includes a movable frame (9), two guide rails (10) are provided below the movable frame (9), and support seats (11) slidably connected to the guide rails (10) are fixedly connected to the bottom of both sides of the movable frame (9), a linear motor (12) is installed on the side of the frame (1), a connecting plate (13) connected to the support seat (11) is installed on the moving subassembly of the linear motor (12), and a plurality of 3D cameras (14) are installed inside the movable frame (9).

2. The 3D vision-based white tire sidewall marking and engraving robot according to claim 1, characterized in that: A limit assembly is provided at the top of the left end of the frame (1), and the limit assembly comprises two fixing plates (3) symmetrically mounted at the top of the left end of the frame (1), an electric push rod (4) is installed through the fixing plate (3), and the output end of the electric push rod (4) is connected to the limit plate (5).

3. The 3D vision-based white tire sidewall marking and engraving robot according to claim 2, characterized in that: One end of the limiting plate (5) away from the fixing frame (16) is fixedly connected to a guide plate (6).

4. The 3D vision-based white tire sidewall marking and engraving robot according to claim 2, characterized in that: Two vertical plates (7) are arranged between the position limiting assembly and the visual detection assembly. The vertical plates (7) are mounted on the frame (1), and an infrared grating detector (8) is mounted on one side of the vertical plates (7).

5. The 3D vision-based white tire sidewall marking and engraving robot according to claim 1, characterized in that: The 3D cameras (14) are provided in three numbers and are respectively located at the inner top and both sides of the movable frame (9).

6. The 3D vision-based white tire sidewall marking and engraving robot according to claim 5, characterized in that: Two inclined plates (15) are symmetrically fixedly connected to the upper end of the movable frame (9), and the two 3D cameras (14) are mounted on the two inclined plates (15).

Images