CNC machining center machining precision improving technology and auxiliary equipment thereof
By setting up a high-definition camera and auxiliary controller on the CNC machining center, it is possible to automatically determine the position of the workpiece and distinguish the front and back of the front and back of the existing CNC machining center, which solves the problem of low intelligence in the existing CNC machining center and improves the machining accuracy and automation level.
Patent Information
- Application Number
- CN202411609959.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-02-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing CNC machining center cannot automatically determine the processing position of the workpiece, and cannot automatically distinguish the front and back sides, front and back ends of the workpiece, and requires manual confirmation, which is low in intelligence.
By having a structure such as the bottom HD camera, the top HD camera, the side HD camera and the auxiliary controller, the CNC machining center can automatically determine the machining position of the workpiece and automatically distinguish the front and back sides of the workpiece, front and back ends, etc. without manual confirmation.
The CNC machining center is automatically confirmed, which improves the degree of intelligence, improves the processing accuracy, and reduces manual errors.
Smart Images

Figure CN119388231A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of CNC machining centers, and more specifically, to a process for improving machining accuracy of a CNC machining center and auxiliary equipment thereof. Background Art
[0002] The CNC machining center is a CNC machine tool that can automatically change tools and perform multiple processes on a workpiece clamped at one time. It is mainly composed of a machine tool body, a digital control system, and an automatic tool changing system. The machine tool body is the foundation of the machining center, including the bed, columns, spindle box and other parts, which are used to support and fix the workpiece and tools. The digital control system is the core of the CNC machining center. It receives the machining program input by the operator and controls the movement of the machine tool body to achieve precise machining of the workpiece. The automatic tool changing system is responsible for automatically changing the tool during the machining process to improve machining efficiency. The existing CNC machining center cannot automatically determine the machining position of the workpiece, cannot automatically distinguish the front and back sides, front and back ends of the workpiece, and still requires manual confirmation, with a low degree of intelligence.
[0003] Therefore, there is an urgent need for a CNC machining center machining accuracy improvement process and its auxiliary equipment to solve the above problems. Summary of the invention
[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a CNC machining center machining accuracy improvement process and its auxiliary equipment. By providing a bottom high-definition camera, a top high-definition camera, a side high-definition camera and an auxiliary controller and other structures, the present invention can automatically determine the processing position of the workpiece, and can automatically distinguish the front and back sides, front and rear ends and other states of the workpiece. No manual confirmation is required, and the workpiece status can be automatically confirmed. The high degree of intelligence makes the actual use effect of the present invention better, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a CNC machining center machining accuracy improvement auxiliary equipment, comprising an upper frame, a lower frame is arranged at the bottom of the upper frame, four connecting rods are welded between the upper frame and the lower frame, a transparent glass carrier is fixedly installed inside the lower frame, a camera fixing frame is welded at the bottom of the lower frame, a bottom high-definition camera is fixedly installed inside the camera fixing frame, a flip frame is hingedly arranged on the top of the upper frame, a top high-definition camera is fixedly installed inside the flip frame, positioning electric push rods are fixedly installed on all sides of the lower frame, a lifting frame is fixedly installed on the top of the output shaft of the positioning electric push rod, the top of the lifting frame passes through the upper frame and is slidably connected to the upper frame, a side high-definition camera is fixedly installed inside the lifting frame, An infrared sensor is arranged at the bottom of the side high-definition camera, the output end of the infrared sensor is connected to an auxiliary controller, the input end of the auxiliary controller is connected to a power supply unit, the connection end of the auxiliary controller is connected to a WiFi module, the connection end of the WiFi module is connected to an image cloud storage server, the output end of the WiFi module is connected to a processing position supervision controller, the input end of the processing position supervision controller is connected to an image recognition module, the input end of the image recognition module is connected to a processing position high-definition camera, the output end of the processing position supervision controller is connected to a fixed position correct green indicator light, the output end of the processing position supervision controller is connected to a fixed position error red indicator light, the output end of the processing position supervision controller is connected to an error prompt speaker, and the input end of the processing position supervision controller is connected to a power supply; The bottom high-definition camera is used to take a bottom photo of the workpiece to be processed placed on the transparent glass carrier through the transparent glass carrier, and send the photo to the auxiliary controller for processing; The top high-definition camera is used to take a top photo of the workpiece to be processed placed on the transparent glass carrier, and send the photo to the auxiliary controller for processing; The side high-definition camera is used to take photos of the front, back, left, and right sides of the workpiece to be processed placed on the transparent glass carrier, and send the photos to the auxiliary controller for processing; The infrared sensor is used to detect the workpiece to be processed placed on the transparent glass carrier and determine the height. When the infrared rays are blocked, it means that the workpiece position has been reached, and the detection result is sent to the auxiliary controller for processing.
[0006] In a preferred embodiment, the four connecting rods are respectively arranged at the four corners of the bottom of the upper frame, and the four connecting rods are respectively arranged at the four corners of the top of the lower frame.
[0007] In a preferred embodiment, the bottom high-definition camera is arranged at the bottom of the center point of the transparent glass carrier plate.
[0008] In a preferred embodiment, the lifting frame is drivingly connected to the output shaft of the positioning electric push rod, and the infrared sensor is fixedly installed on the outer wall of the lifting frame at a corresponding position.
[0009] In a preferred embodiment, the auxiliary controller is configured as a single chip microcomputer, and the processing position supervision controller is configured as a single chip microcomputer.
[0010] In a preferred embodiment, the auxiliary controller output end is connected to the input end of the positioning electric push rod, and the auxiliary controller input end is connected to the output end of the side high-definition camera.
[0011] In a preferred embodiment, the auxiliary controller input terminal is connected to the top high-definition camera output terminal, and the auxiliary controller input terminal is connected to the bottom high-definition camera output terminal.
[0012] A process for improving machining accuracy of a CNC machining center comprises any one of the above-mentioned auxiliary equipment for improving machining accuracy of a CNC machining center and the following steps: Step 1: The bottom HD camera can take a bottom photo of the workpiece to be processed placed on the transparent glass carrier through the transparent glass carrier, and send the photo to the auxiliary controller for processing. The top HD camera can take a top photo of the workpiece to be processed placed on the transparent glass carrier, and send the photo to the auxiliary controller for processing. The side HD camera can take photos of the front, back, left, and right sides of the workpiece to be processed placed on the transparent glass carrier, and send the photo to the auxiliary controller for processing. The photos taken by the six cameras in six directions will be stored in the image cloud storage server; Step 2: The infrared sensor can detect the workpiece to be processed placed on the transparent glass carrier and determine the height. When the infrared is blocked, it means that the workpiece position has been reached, and the detection result is sent to the auxiliary controller for processing. The auxiliary controller controls the operation of the positioning push rod to drive the lifting frame to rise and fall. When the infrared is blocked and the position has been reached, the positioning push rod is closed to facilitate the side high-definition camera to shoot the side of the workpiece; Step 3: When the workpiece is processed by the CNC machining center, the high-definition camera at the machining position of the CNC machining center will take pictures of the placement status of the workpiece, and make a judgment based on the standard placement status picture required for processing, that is, select one direction from the six directions of photos taken by six cameras as the standard placement status picture; Step 4: The image taken by the high-definition camera at the processing position is compared with the image recognition module to intelligently determine whether the placement status of the workpiece is correct. If correct, the green indicator light for the correct position will turn on. If wrong, the red indicator light for the wrong position will turn on. At the same time, the error prompt speaker will broadcast the error information to remind the staff to deal with it more effectively.
[0013] Technical effects and advantages of the present invention: The present invention is provided with structures such as a bottom high-definition camera, a top high-definition camera, a side high-definition camera and an auxiliary controller, so that the present invention can automatically determine the processing position of the workpiece, and can automatically distinguish the front and back sides, front and rear ends and other states of the workpiece without manual confirmation. The workpiece state can be automatically confirmed, and the degree of intelligence is high, so that the actual use effect of the present invention is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0015] Figure 2 It is a schematic diagram of the overall bottom structure of the present invention.
[0016] Figure 3 It is a system diagram of the present invention.
[0017] The accompanying drawings are marked as follows: 1. upper frame; 2. lower frame; 3. connecting rod; 4. transparent glass carrier plate; 5. camera fixing frame; 6. bottom high-definition camera; 7. flip frame; 8. top high-definition camera; 9. positioning electric push rod; 10. lifting frame; 11. side high-definition camera; 12. infrared sensor; 13. auxiliary controller; 14. power supply unit; 15. WiFi module; 16. image cloud storage server; 17. processing position supervision controller; 18. image recognition module; 19. processing position high-definition camera; 20. green indicator light for correct fixing position; 21. red indicator light for wrong fixing position; 22. error warning speaker; 23. power supply. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0019] As attached Figure 1 , Attachment Figure 2 and attached Figure 3As shown, the present invention provides an auxiliary device for improving the machining accuracy of a CNC machining center, comprising an upper frame 1, a lower frame 2 is arranged at the bottom of the upper frame 1, four connecting rods 3 are welded between the upper frame 1 and the lower frame 2, a transparent glass carrier plate 4 is fixedly installed inside the lower frame 2, a camera fixing frame 5 is welded at the bottom of the lower frame 2, a bottom high-definition camera 6 is fixedly installed inside the camera fixing frame 5, a flip frame 7 is hingedly arranged at the top of the upper frame 1, a top high-definition camera 8 is fixedly installed inside the flip frame 7, and positioning electric push rods 9 are fixedly installed on all sides of the lower frame 2. A lifting frame 10 is fixedly installed on the top of the output shaft. The top of the lifting frame 10 passes through the upper frame 1 and is slidably connected to the upper frame 1. A side high-definition camera 11 is fixedly installed inside the lifting frame 10. An infrared sensor 12 is arranged at the bottom of the side high-definition camera 11. The infrared sensor is a sensor that uses infrared rays to process data and has the advantages of high sensitivity. The infrared sensor can control the operation of the drive device. The infrared sensor is commonly used for non-contact temperature measurement, gas composition analysis and non-destructive testing. It is widely used in the fields of medicine, military, space technology and environmental engineering. The infrared sensor 12 outputs The auxiliary controller 13 is connected to the end, the input end of the auxiliary controller 13 is connected to the power supply unit 14, the connection end of the auxiliary controller 13 is connected to the WiFi module 15, the WiFi module is also called the serial port Wi-Fi module, which belongs to the Internet of Things transmission layer, and its function is to convert the serial port or TTL level into an embedded module that meets the Wi-Fi wireless network communication standard, with a built-in wireless network protocol IEEE802.11b.gn protocol stack and TCP / IP protocol stack, the connection end of the WiFi module 15 is connected to the image cloud storage server 16, and the output end of the WiFi module 15 is connected to the processing position supervision controller 17, The input end of the processing position supervision controller 17 is connected to an image recognition module 18, which is a core component of computer vision technology and is used to understand and interpret image content and convert image data into meaningful information. The input end of the image recognition module 18 is connected to a processing position high-definition camera 19, and the output end of the processing position supervision controller 17 is connected to a fixed position correct green indicator light 20, and the output end of the processing position supervision controller 17 is connected to a fixed position error red indicator light 21, and the output end of the processing position supervision controller 17 is connected to an error prompt speaker 22, and the input end of the processing position supervision controller 17 is connected to a power supply 23; The bottom high-definition camera 6 is used to take a bottom photo of the workpiece to be processed placed on the transparent glass carrier plate 4 through the transparent glass carrier plate 4, and send the photo to the auxiliary controller 13 for processing; The top high-definition camera 8 is used to take a top photo of the workpiece to be processed placed on the transparent glass carrier plate 4, and send the photo to the auxiliary controller 13 for processing; The side high-definition camera 11 is used to take photos of the front, back, left, and right sides of the workpiece to be processed placed on the transparent glass carrier plate 4, and send the photos to the auxiliary controller 13 for processing; The infrared sensor 12 is used to detect the workpiece to be processed placed on the transparent glass carrier plate 4 and determine the height. When the infrared ray is blocked, it means that the workpiece position has been reached, and the detection result is sent to the auxiliary controller 13 for processing.
[0020] The four connecting rods 3 are respectively arranged at the four corners of the bottom of the upper frame 1 , and the four connecting rods 3 are respectively arranged at the four corners of the top of the lower frame 2 .
[0021] The bottom high-definition camera 6 is arranged at the bottom of the center point of the transparent glass carrier plate 4 .
[0022] The lifting frame 10 is in driving connection with the output shaft of the positioning electric push rod 9, and the infrared sensor 12 is fixedly installed on the outer wall of the lifting frame 10 at the corresponding position.
[0023] The auxiliary controller 13 is set as a single-chip microcomputer, and the processing position supervision controller 17 is set as a single-chip microcomputer. The single-chip microcomputer is an integrated circuit chip that uses very large-scale integrated circuit technology to integrate a central processing unit CPU with data processing capabilities, random access memory RAM, read-only memory ROM, multiple I / O ports and interrupt systems, timers / counters and other functions into a small and complete microcomputer system on a silicon chip.
[0024] The output end of the auxiliary controller 13 is connected to the input end of the positioning electric push rod 9 , and the input end of the auxiliary controller 13 is connected to the output end of the side high-definition camera 11 .
[0025] The input end of the auxiliary controller 13 is connected to the output end of the top high-definition camera 8 , and the input end of the auxiliary controller 13 is connected to the output end of the bottom high-definition camera 6 .
[0026] The model of the single chip microcomputer is set to M68HC16, the model of the WiFi module 15 is set to TLN13UA06, the model of the infrared sensor 12 is set to SB05-82, and the model of the image recognition module 18 is set to AR0230.
[0027] A process for improving machining accuracy of a CNC machining center comprises any one of the above-mentioned auxiliary equipment for improving machining accuracy of a CNC machining center and the following steps: Step 1: The bottom high-definition camera 6 can take a bottom photo of the workpiece to be processed placed on the transparent glass carrier plate 4 through the transparent glass carrier plate 4, and send the photo to the auxiliary controller 13 for processing. The top high-definition camera 8 can take a top photo of the workpiece to be processed placed on the transparent glass carrier plate 4, and send the photo to the auxiliary controller 13 for processing. The side high-definition camera 11 can take photos of the front, back, left, and right sides of the workpiece to be processed placed on the transparent glass carrier plate 4, and send the photo to the auxiliary controller 13 for processing. The photos taken by the six cameras in six directions will be stored in the image cloud storage server 16; Step 2: The infrared sensor 12 can detect the workpiece to be processed placed on the transparent glass carrier plate 4 and judge the height. When the infrared ray is blocked, it means that the workpiece position has been reached, and the detection result is sent to the auxiliary controller 13 for processing. The auxiliary controller 13 controls the positioning electric push rod 9 to operate and drives the lifting frame 10 to move up and down. When the infrared ray is blocked and the position has been reached, the positioning single push rod 9 is closed to facilitate the side high-definition camera 11 to shoot the side of the workpiece; Step 3: When the workpiece is processed by the CNC machining center, the processing position high-definition camera 19 on the CNC machining center will take pictures of the placement state of the workpiece, and make a judgment based on the standard placement state picture required for processing, that is, select one direction from the six directions of pictures taken by six cameras as the standard placement state picture; Step 4: Combine the picture taken by the high-definition camera 19 at the processing position and compare it with the image recognition module 18 to intelligently determine whether the placement status of the workpiece is correct. If correct, the green indicator light 20 of the fixed position correct will light up. If wrong, the red indicator light 21 of the fixed position error will light up, and the error prompt speaker 22 will broadcast the error information to remind the staff to deal with it more effectively.
[0028] The specific implementation method is as follows: when using the present invention, the bottom high-definition camera 6 can take a bottom photo of the workpiece to be processed placed on the transparent glass carrier 4 through the transparent glass carrier 4, and send the photo to the auxiliary controller 13 for processing. The top high-definition camera 8 can take a top photo of the workpiece to be processed placed on the transparent glass carrier 4, and send the photo to the auxiliary controller 13 for processing. The side high-definition camera 11 can take photos of the front, back, left and right four sides of the workpiece to be processed placed on the transparent glass carrier 4, and send the photo to the auxiliary controller 13 for processing. The photos taken in six directions by the six cameras will be stored in the image cloud storage server 16. The infrared sensor 12 can detect the workpiece to be processed placed on the transparent glass carrier 4 and judge the height. When the infrared ray is blocked, it means that the workpiece position has been reached, and the detection result is sent to the auxiliary controller 13 for processing. The auxiliary controller 13 controls the operation of the positioning electric push rod 9 to drive the lifting frame 10 to rise and fall. When the infrared ray is blocked, it means that the workpiece position has been reached. , the position is reached, the adjustment single push rod 9 is closed, so that the side high-definition camera 11 can shoot the side of the workpiece. When the workpiece is processed by the CNC machining center, the processing position high-definition camera 19 on the CNC machining center will shoot the placement status of the workpiece and make a judgment based on the standard placement status picture required for processing, that is, one direction is selected from the photos of six directions taken by the six cameras as the standard placement status picture, and then compared with the picture taken by the processing position high-definition camera 19 through the image recognition module 18, so as to intelligently judge whether the placement status of the workpiece is correct. If correct, the fixed position correct green indicator light 20 is turned on, and if wrong, the fixed position error red indicator light 21 is turned on, and the error prompt speaker 22 will broadcast the error information at the same time, so as to remind the staff to deal with it more effectively. This enables the present invention to automatically judge the processing position of the workpiece, and can automatically distinguish the front and back sides, front and rear ends, etc. of the workpiece without manual confirmation. The workpiece status can be automatically confirmed, and the degree of intelligence is high, so that the actual use effect of the present invention is better.
[0029] Working principle of the present invention: Refer to the instruction manual Figure 1 , Attachment Figure 2 and attached Figure 3 When using the present invention, by providing structures such as a bottom high-definition camera 6, a top high-definition camera 8, a side high-definition camera 11 and an auxiliary controller 13, the present invention can automatically determine the processing position of the workpiece, and can automatically distinguish the front and back sides, front and rear ends, etc. of the workpiece without manual confirmation. The workpiece status can be automatically confirmed, and the degree of intelligence is high, so that the actual use effect of the present invention is better.
[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change; Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other; Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A CNC machining center machining accuracy improvement auxiliary device, comprising an upper frame (1), characterized in that: A lower frame (2) is arranged at the bottom of the upper frame (1), four connecting rods (3) are welded between the upper frame (1) and the lower frame (2), a transparent glass carrier plate (4) is fixedly installed inside the lower frame (2), a camera fixing frame (5) is welded at the bottom of the lower frame (2), a bottom high-definition camera (6) is fixedly installed inside the camera fixing frame (5), a flip frame (7) is hingedly arranged at the top of the upper frame (1), a top high-definition camera (8) is fixedly installed inside the flip frame (7), positioning electric push rods (9) are fixedly installed on all four sides of the lower frame (2), a lifting frame (10) is fixedly installed on the top of the output shaft of the positioning electric push rod (9), the top of the lifting frame (10) passes through the upper frame (1) and is slidably connected to the upper frame (1), a side high-definition camera (11) is fixedly installed inside the lifting frame (10), and an infrared sensor (12) is arranged at the bottom of the side high-definition camera (11), and the infrared sensor (12) is fixedly installed on the bottom of the side high-definition camera (11). The output end of the sensor (12) is connected to an auxiliary controller (13), the input end of the auxiliary controller (13) is connected to a power supply unit (14), the connection end of the auxiliary controller (13) is connected to a WiFi module (15), the connection end of the WiFi module (15) is connected to an image cloud storage server (16), the output end of the WiFi module (15) is connected to a processing position supervision controller (17), the input end of the processing position supervision controller (17) is connected to an image recognition module (18), the input end of the image recognition module (18) is connected to a processing position high-definition camera (19), the output end of the processing position supervision controller (17) is connected to a fixed position correct green indicator light (20), the output end of the processing position supervision controller (17) is connected to a fixed position error red indicator light (21), the output end of the processing position supervision controller (17) is connected to an error prompt speaker (22), and the input end of the processing position supervision controller (17) is connected to a power supply (23); The bottom high-definition camera (6) is used to take a bottom photo of the workpiece to be processed placed on the transparent glass carrier (4) through the transparent glass carrier (4), and send the photo to the auxiliary controller (13) for processing; The top high-definition camera (8) is used to take a top photo of the workpiece to be processed placed on the transparent glass carrier plate (4), and send the photo to the auxiliary controller (13) for processing; The side high-definition camera (11) is used to take photos of the front, back, left, and right sides of the workpiece to be processed placed on the transparent glass carrier (4), and send the photos to the auxiliary controller (13) for processing; The infrared sensor (12) is used to detect the workpiece to be processed placed on the transparent glass carrier (4) and determine the height. When the infrared rays are blocked, it means that the workpiece position has been reached, and the detection result is sent to the auxiliary controller (13) for processing.
2. The CNC machining center machining accuracy improvement auxiliary equipment according to claim 1, characterized in that: The four connecting rods (3) are respectively arranged at the four corners at the bottom of the upper frame (1), and the four connecting rods (3) are respectively arranged at the four corners at the top of the lower frame (2).
3. The CNC machining center machining accuracy improvement auxiliary equipment according to claim 1, characterized in that: The bottom high-definition camera (6) is arranged at the bottom of the center point of the transparent glass carrier plate (4).
4. The CNC machining center machining accuracy improvement auxiliary equipment according to claim 1, characterized in that: The lifting frame (10) is drivingly connected to the output shaft of the position-adjusting electric push rod (9), and the infrared sensor (12) is fixedly mounted on the outer wall of the lifting frame (10) at a corresponding position.
5. The CNC machining center machining accuracy improvement auxiliary equipment according to claim 1, characterized in that: The auxiliary controller (13) is configured as a single-chip microcomputer, and the processing position monitoring controller (17) is configured as a single-chip microcomputer.
6. The CNC machining center machining accuracy improvement auxiliary equipment according to claim 1, characterized in that: The output end of the auxiliary controller (13) is connected to the input end of the positioning electric push rod (9), and the input end of the auxiliary controller (13) is connected to the output end of the side high-definition camera (11).
7. The CNC machining center machining accuracy improvement auxiliary equipment according to claim 1, characterized in that: The input end of the auxiliary controller (13) is connected to the output end of the top high-definition camera (8), and the input end of the auxiliary controller (13) is connected to the output end of the bottom high-definition camera (6).
8. A process for improving machining accuracy of a CNC machining center, characterized in that: The invention comprises a CNC machining center machining accuracy improvement auxiliary device as described in any one of claims 1 to 7 and the following steps: Step 1: The bottom high-definition camera (6) can take a bottom photo of the workpiece to be processed placed on the transparent glass carrier (4) through the transparent glass carrier (4), and send the photo to the auxiliary controller (13) for processing; the top high-definition camera (8) can take a top photo of the workpiece to be processed placed on the transparent glass carrier (4), and send the photo to the auxiliary controller (13) for processing; the side high-definition camera (11) can take photos of the front, back, left, right and four sides of the workpiece to be processed placed on the transparent glass carrier (4), and send the photo to the auxiliary controller (13) for processing; the photos taken by the six cameras in six directions will be stored in the image cloud storage server (16); Step 2: The infrared sensor (12) can detect the workpiece to be processed placed on the transparent glass carrier (4) and determine the height. When the infrared ray is blocked, it means that the workpiece position has been reached, and the detection result is sent to the auxiliary controller (13) for processing. The auxiliary controller (13) controls the positioning electric push rod (9) to operate and drives the lifting frame (10) to move up and down. When the infrared ray is blocked and the position has been reached, the positioning single push rod (9) is closed to facilitate the side high-definition camera (11) to shoot the side of the workpiece; Step 3: When the workpiece is processed by the CNC machining center, the processing position high-definition camera (19) on the CNC machining center will take a picture of the placement state of the workpiece, and make a judgment based on the standard placement state picture required for processing, that is, select one direction from the six directions of pictures taken by the six cameras as the standard placement state picture; Step 4: The image captured by the high-definition camera (19) at the processing position is compared with the image recognition module (18) to intelligently determine whether the placement state of the workpiece is correct. If correct, the green indicator light (20) for the correct position is turned on. If wrong, the red indicator light (21) for the wrong position is turned on. At the same time, the error warning speaker (22) will broadcast the error information, which can more effectively remind the staff to handle it.