High-precision servo positioning and visual inspection system

Abstract

The utility model discloses a high-precision servo positioning and visual inspection system which comprises a module bottom plate, a linear module is fixed at the upper end of the module bottom plate, when the system starts to work, a workpiece is placed in a positioning groove of a workpiece supporting plate, and the linear module is fixed on the module bottom plate. The detection content comprises but is not limited to color identification, contour identification, number identification and identification of follow-up to-be-processed tracks on a workpiece, and for a part exceeding a visual detection visual field range, the servo module is controlled to accurately position, so that dynamic detection and super-visual-field-range detection are realized, and the detection precision is improved. If the workpiece is detected to be qualified, the workpiece is conveyed to the tail end of the linear module through the shading cabinet and waits for being grabbed away by a worker or a mechanical arm for next-step machining, and if the workpiece is detected to be unqualified, the workpiece returns to the starting end of the linear module along the original path and waits for being returned to the previous working procedure for repairing or scrapping treatment. The function of integrating transportation and visual inspection is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to high-precision servo positioning and vision detection systems, and particularly relates to a high-precision servo positioning and vision detection system. Background Technique

[0002] At present, vision detection technology is developing day by day and has been involved in all aspects of industrial production. In daily industrial production, vision detection systems have replaced traditional manual inspections and have a wider detection range, faster detection speed, and more accurate detection accuracy. The detection content includes various common factors such as color, shape, height difference, length, and width.

[0003] At present, equipment related to vision detection in the market is mostly used in the industrial production field. To meet the applications in specific scenarios, after replacing the detection product object, it is necessary to re-adjust the part processing, lacking freedom in the flexibility of system construction. Content of the Utility Model

[0004] The purpose of the utility model is to provide a high-precision servo positioning and vision detection system to solve the problem that in the background technique, equipment related to vision detection in the current market is mostly used in the industrial production field. To meet the applications in specific scenarios, after replacing the detection product object, it is necessary to re-adjust the part processing, lacking freedom in the flexibility of system construction.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-precision servo positioning and vision detection system includes a module bottom plate. A linear module is fixed at the upper end of the module bottom plate. A workpiece support plate is installed at the upper end of the linear module. A light-shielding cabinet body is installed at the upper end of the module bottom plate. The light-shielding cabinet body is installed with a light-shielding cover through a butterfly hinge installed inside. A buckle for controlling opening and closing is installed on the inner wall of the light-shielding cover. A brown acrylic glass is installed on the outer wall of the light-shielding cover. A slide table is installed at the upper end of the light-shielding cabinet body. A connecting piece and a camera mounting block are fixed at the upper end of the slide table. A light source mounting bracket is installed at one end of the camera mounting block. A vision camera is installed at one end of the light source mounting bracket. The vision camera provides shooting light through a light source A at the lower end. A control handle for controlling it is installed at the upper end of the slide table. A fixed column is fixed at the upper end of the control handle. A plurality of balls are sleeved inside the fixed column. A handle for controlling the rotation of the control handle is sleeved on the outer wall of the fixed column.

[0006] Preferably, the linear module and the light-shielding cabinet body are fixed at the upper end of the module bottom plate, and the linear module is used for positioning and transportation.

[0007] Preferably, the linear module is installed on the workpiece support plate through a moving slider installed at the upper end position. The workpiece support plate is positioned and controlled by a high-precision servo motor installed at one side position, and the workpiece support plate can achieve micron-level position control through the servo motor.

[0008] Preferably, the workpiece is placed and positioned on the workpiece support plate through a positioning groove on the outer side of the upper end. The light-shielding cabinet body is installed on the module bottom plate through a nut at the internal position.

[0009] Preferably, the light-shielding cover shell is installed on the light-shielding cabinet body through a butterfly hinge. The buckle makes the light-shielding cover shell need to be manually opened or closed. The opening of the light-shielding cover shell facilitates the debugging and installation of the vision camera.

[0010] Preferably, the vision camera is installed on the sliding table through a connecting piece and a camera mounting block. The rotation of the control handle can adjust the height of the vision camera.

[0011] Preferably, the vision camera is adapted to the installation of mainstream industrial 2D or 3D. The detection content of the vision camera includes but is not limited to color recognition, contour recognition, quantity recognition, and trajectory recognition of the subsequent machining to be carried out on the workpiece.

[0012] Preferably, the handle can control the rotation of the control handle, and the handle rotates at the position fitting the outer wall of the ball.

[0013] Compared with the prior art, the present utility model provides a high-precision servo positioning and vision detection system, which has the following beneficial effects:

[0014] 1. When the device starts to work, the workpiece is placed in the positioning groove of the workpiece support plate. The workpiece moves with the slider starting from the starting end of the linear module and pauses in the light-shielding cabinet when passing through the light-shielding cabinet part. Visual detection is carried out on it through shooting by the vision camera. The detection content includes but is not limited to color recognition, contour recognition, quantity recognition, and trajectory recognition of the subsequent machining to be carried out on the workpiece. High-precision positioning control is achieved through the upper computer to control the servo module. For the part beyond the visual detection field of view, precise positioning is achieved through controlling the servo module to realize dynamic detection and detection beyond the field of view. If the detection is qualified, it is transported to the end of the linear module through the light-shielding cabinet and waits for the workpiece to be grabbed by a human or a manipulator for the next processing. If the detection is unqualified, it returns to the starting end of the linear module along the original path and waits to be sent back to the previous process for repair or scrapping treatment. In this way, through the combination of industrial servo module positioning control and the vision camera, the functions of transportation and vision detection are integrated into one.

[0015] 2. To more flexibly control the rotation of the control handle, a fixed column is fixed at the upper end of the control handle of this device. A ball is sleeved inside the fixed column, and the handle is sleeved on the outer wall of the fixed column. At the same time, the inner wall of the handle is in contact with the ball. When the user holds the handle tightly to control the rotation of the control handle, the rotatability of the ball is used to increase the flexibility of the control. Brief Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of a high-precision servo positioning and vision detection system of the present utility model.

[0017] Figure 2 It is a schematic diagram of the split structure of a high-precision servo positioning and vision detection system of the present utility model.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the handle of a high-precision servo positioning and vision detection system of the present utility model.

[0019] In the figure: 1. Module base plate; 2. Linear module; 3. Workpiece support plate; 4. Main body of the light-shielding cabinet; 5. Butterfly hinge; 6. Buckle; 7. Slide table; 8. Connector; 9. Camera mounting block; 10. Vision camera; 11. Light source A; 12. Light-shielding cover shell; 13. Brown acrylic glass; 14. Light source mounting bracket; 15. Handle; 16. Control handle; 17. Fixed column; 18. Ball; 19. Servo motor; 20. Moving slider. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0021] The utility model provides as Figures 1-3A high-precision servo positioning and vision detection system is shown, including a module base plate 1. A linear module 2 is fixed at the upper end of the module base plate 1. A workpiece support plate 3 is installed at the upper end of the linear module 2. A light-shielding cabinet main body 4 is installed at the upper end of the module base plate 1. The light-shielding cabinet main body 4 is installed with a light-shielding cover 12 through a butterfly hinge 5 installed at the inner position. A buckle 6 for controlling opening and closing is installed at the inner wall position of the light-shielding cover 12. A brown acrylic glass 13 is installed at the outer wall position of the light-shielding cover 12. A slide table 7 is installed at the upper end of the light-shielding cabinet main body 4. A connecting piece 8 and a camera mounting block 9 are fixed at the upper end of the slide table 7. A light source mounting frame 14 is installed at one end of the camera mounting block 9. A vision camera 10 is installed at one end of the light source mounting frame 14. The vision camera 10 is provided with shooting light by a light source A 11 at the lower end position. A control handle 16 for controlling it is installed at the upper end of the slide table 7. A fixing column 17 is fixed at the upper end of the control handle 16. A plurality of balls 18 are sleeved inside the fixing column 17. A handle 15 for controlling the rotation of the control handle 16 is sleeved on the outer wall of the fixing column 17.

[0022] When starting to work, the workpiece is placed in the positioning groove of the workpiece support plate 3. The workpiece moves with the slider starting from the starting end of the linear module 2 and pauses in the light-shielding cabinet when passing through the light-shielding cabinet part. Visual detection is carried out by shooting with the vision camera 10. The detection content includes but is not limited to color recognition, contour recognition, quantity recognition, and trajectory recognition of the subsequent parts to be processed on the workpiece. High-precision positioning control is realized by controlling the servo module through the upper computer. For the parts beyond the visual detection field of view, precise positioning is achieved by controlling the servo module to realize dynamic detection and detection beyond the field of view. If the detection is qualified, it is transported to the end of the linear module 2 through the light-shielding cabinet and waits for the workpiece to be grabbed by a human or a manipulator for the next processing. If the detection is unqualified, it returns to the starting end of the linear module 2 along the original path and waits to be sent back to the previous process for repair or scrapping.

[0023] As Figure 1 and Figure 3As shown, the linear module 2 and the light-shielding cabinet main body 4 are fixed at the upper end position of the module base plate 1. The linear module 2 is used for positioning and transportation. The linear module 2 is installed with the workpiece support plate 3 through the moving slider 20 installed at the upper end position. The workpiece support plate 3 is position-controlled through the high-precision servo motor 19 installed at one side position. The workpiece support plate 3 can achieve micron-level position control through the servo motor 19. The workpiece support plate 3 places and positions the workpiece through the positioning groove on the outer side of the upper end. The light-shielding cabinet main body 4 is installed with the module base plate 1 through the nut at the internal position. The light-shielding cover 12 is installed with the light-shielding cabinet main body 4 through the butterfly hinge 5. The buckle 6 enables the light-shielding cover 12 to be manually opened or closed. The opening of the light-shielding cover 12 facilitates the debugging and installation of the vision camera 10. The vision camera 10 is installed with the slide table 7 through the connecting piece 8 and the camera mounting block 9. The rotation of the control handle 16 can adjust the height of the vision camera 10. The vision camera 10 is adapted to the installation of the mainstream industrial 2D or 3D. The detection content of the vision camera 10 includes but is not limited to color recognition, contour recognition, quantity recognition, and the recognition of the subsequent machining trajectory on the workpiece. The handle 15 can control the rotation of the control handle 16. The handle 15 rotates at the position where it fits the outer wall of the ball 18.

[0024] A fixed column 17 is fixed at the upper end position of the control handle 16. A ball 18 is sleeved at the internal position of the fixed column 17. The handle 15 is sleeved at the outer wall position of the fixed column 17. At the same time, the inner wall of the handle 15 is in contact with the ball 18. When the user holds the handle 15 tightly and controls the rotation of the handle 15, the rotatability of the ball 18 is used to increase the flexibility of the control.

[0025] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, 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 high-precision servo positioning and vision detection system, characterized in that, It includes a module base plate (1), a linear module (2) is fixed at the upper end of the module base plate (1), a workpiece support plate (3) is installed at the upper end of the linear module (2), a light-shielding cabinet main body (4) is installed at the upper end of the module base plate (1), the light-shielding cabinet main body (4) is installed with a light-shielding cover shell (12) through a butterfly hinge (5) installed at the inner position, a buckle (6) for controlling opening and closing is installed at the inner wall position of the light-shielding cover shell (12), a tea-colored acrylic glass (13) is installed at the outer wall position of the light-shielding cover shell (12), a slide table (7) is installed at the upper end of the light-shielding cabinet main body (4), a connecting piece (8) and a camera mounting block (9) are fixed at the upper end of the slide table (7), a light source mounting bracket (14) is installed at one end of the camera mounting block (9), a vision camera (10) is installed at one end of the light source mounting bracket (14), and the vision camera (10) is provided with shooting light by a light source A (11) at the lower end position. A control handle (16) for controlling it is installed at the upper end of the slide table (7), a fixing column (17) is fixed at the upper end of the control handle (16), a plurality of balls (18) are sleeved inside the fixing column (17), and a handle (15) for controlling the rotation of the control handle (16) is sleeved on the outer wall of the fixing column (17).

2. A high-precision servo positioning and vision detection system according to claim 1, characterized in that: The linear module (2) and the light-shielding cabinet main body (4) are fixed at the upper end of the module base plate (1), and the linear module (2) is used for positioning and transportation.

3. A high-precision servo positioning and vision detection system according to claim 1, characterized in that: The linear module (2) is installed with the workpiece support plate (3) through a moving slider (20) installed at the upper end position, the workpiece support plate (3) is position-controlled through a high-precision servo motor (19) installed at one side position, and the workpiece support plate (3) can achieve micron-level position control through the servo motor (19).

4. A high-precision servo positioning and vision detection system according to claim 1, characterized in that: The workpiece support plate (3) places and positions the workpiece through a positioning groove on the outer side of the upper end, and the light-shielding cabinet main body (4) is installed with the module base plate (1) through a nut at the inner position.

5. A high-precision servo positioning and vision detection system according to claim 1, characterized in that: The light-shielding cover shell (12) is installed with the light-shielding cabinet main body (4) through a butterfly hinge (5), and the buckle (6) makes the light-shielding cover shell (12) need to be manually opened or closed. The opening of the light-shielding cover shell (12) is convenient for debugging and installing the vision camera (10).

6. A high-precision servo positioning and vision detection system according to claim 5, characterized in that: The vision camera (10) is installed with the slide table (7) through the connecting piece (8) and the camera mounting block (9), and the rotation of the control handle (16) can adjust the height of the vision camera (10).

7. A high-precision servo positioning and vision detection system according to claim 5, characterized in that: The vision camera (10) is adapted to the installation of the mainstream industrial 2D or 3D. The detection contents of the vision camera (10) include but are not limited to color recognition, contour recognition, quantity recognition, and trajectory recognition of the subsequent machining on the workpiece.

8. A high-precision servo positioning and vision detection system according to claim 1, characterized in that: The handle (15) can control the rotation of the control handle (16), and the handle (15) rotates along the outer wall position of the ball (18).

Images