A numerical control switching station detection device and control method thereof

Abstract

The invention discloses a CNC exchange table detection device, comprising the following steps: a detection platform and a lubricating oil circulation system arranged at the lower side of the detection platform, a CNC turntable, a lifting and exchanging mechanism and a preparatory station are arranged on the top of the detection platform, a plurality of preparatory station lower cone seats are arranged at intervals along the circumferential direction on the top of the preparatory station, a support plate is arranged on the top of the lifting and exchanging mechanism, the lubricating oil circulation system comprises a lubricating oil tank, the lubricating oil pump is connected to a hydraulic system through an oil pipe, the hydraulic system is used to control the lubricating oil pressure inside the lubricating oil tank, and a plurality of solenoid valves are arranged on one side of the hydraulic system; the cone seat oil circuit and the brake oil circuit are respectively connected to the plurality of solenoid valves of the hydraulic system through oil pipes, and hydraulic oil is supplied to the cone seat oil circuit and the brake oil circuit of the CNC turntable by controlling the opening and closing of the solenoid valve.

Description

Technical Field

[0001] The present invention relates to the field of numerical control equipment detection, and more specifically, to a numerical control exchange table detection device and a control method thereof. Background Art

[0002] The CNC exchange table consists of three major components, including a CNC turntable, a lifting and exchanging mechanism and a preparatory station. It is used in horizontal CNC machining centers to realize the function of a double exchange worktable. While the machine tool is processing the parts clamped on the CNC turntable, the new workpiece to be processed can be clamped and corrected on the worktable of the preparatory station. At the end of the processing, the lifting and exchanging mechanism exchanges the worktable on the CNC turntable with the worktable on the preparatory station including the workpiece thereon, and the machine tool continues to process new parts. The worker removes the processed workpiece exchanged from the preparatory station and then clamps the new workpiece to be processed. This cycle greatly saves the time when the horizontal CNC machining center with only a single worktable stops running to wait for the disassembly of the workpiece and the clamping of the new workpiece at the end of the processing.

[0003] At present, the production inspection and testing of CNC exchange tables generally tests the basic functions of the three major components separately to see if they meet the standards. There is no testing equipment that simulates the machine tool bed to perform comprehensive testing and combined function testing of the three major components. Sometimes, the three major components of the CNC exchange table are combined and installed on the machine tool for trial operation or processing and production, only then are problems highlighted. The machine tool is then disassembled for inspection and processing, wasting time, manpower, material resources and other resources. Summary of the invention

[0004] In order to solve at least one of the above technical problems, the present invention provides a digital control exchange table detection device.

[0005] A first aspect of the present invention provides a CNC exchange table detection device, comprising: a detection platform and a lubricating oil circulation system arranged at the lower side of the detection platform;

[0006] A numerical control turntable and a preparation station are arranged on the top of the detection platform, and a plurality of preparation station lower cone seats are arranged at intervals along the circumferential direction on the top of the preparation station;

[0007] A plurality of turntable lower cone seats are arranged at intervals on the top of the CNC turntable, and the cone seats on the workbench correspond to the positions of the turntable lower cone seats;

[0008] The lubricating oil circulation system comprises a lubricating oil tank, and a primary filter screen, a secondary filter screen, a tertiary filter screen and a quaternary filter screen are sequentially arranged on the inner side of the lubricating oil tank along the length direction of the lubricating oil tank;

[0009] The lubricating oil tank is provided with a lubricating oil pump, and the lubricating oil pump is connected to a hydraulic system through an oil pipe. The hydraulic system is used to control the lubricating oil pressure inside the lubricating oil tank. One side of the hydraulic system is connected to the hydraulic pump; one side of the hydraulic system is provided with multiple groups of solenoid valves;

[0010] The detection platform is provided with a lifting and exchanging mechanism, the lifting and exchanging mechanism is located in the middle of the CNC turntable and the preparatory station, a pallet is provided on the top of the lifting and exchanging mechanism, a partition plate is provided in the middle of the top of the pallet, the top of the pallet is located on both sides of the partition plate, and the first workbench and the second workbench are respectively provided, the first workbench and the second workbench are symmetrically arranged, and the bottom of the first workbench and the second workbench are both provided with a plurality of cone seats on the workbench at intervals along the circumferential direction, and the lifting and exchanging mechanism can drive the pallet to rotate after rising to exchange the positions of the first workbench and the second workbench, and the detection platform is used for detecting items of the first workbench and the second workbench;

[0011] The cone seat on the workbench and the cone seat under the turntable are both provided with cone seat oil circuits, and the CNC turntable is provided with a brake oil circuit. The cone seat oil circuit and the brake oil circuit are respectively connected to multiple groups of solenoid valves in the hydraulic system through oil pipes, and hydraulic oil is supplied to the cone seat oil circuit and the brake oil circuit of the CNC turntable by controlling the opening and closing of the solenoid valves.

[0012] In a preferred embodiment of the present invention, a support frame is provided at the bottom of the detection platform, and the lubricating oil circulation system is provided on the inner side of the support frame.

[0013] In a preferred embodiment of the present invention, a foot is provided at the bottom of the support frame, and a rubber pad is provided at the bottom of the foot.

[0014] In a preferred embodiment of the present invention, an operating bracket is connected to one side of the support frame, an operating box is arranged on the top of the operating bracket, and an operating panel is arranged on one side of the operating box.

[0015] In a preferred embodiment of the present invention, a first fixing column is disposed at the center of the first workbench, and a second fixing column is disposed at the center of the second workbench.

[0016] In a preferred embodiment of the present invention, a base is provided at the bottom of the CNC turntable, a turntable motor is provided inside the base, and the turntable motor controls the rotation of the CNC turntable.

[0017] The present invention provides a second technical solution: a control method applied to a numerical control exchange table detection device, comprising the following steps:

[0018] Confirm the origin of the CNC turntable and the preparatory station, generate the origin signal, and extract the origin signal feature vector;

[0019] Calculate the vector angle between the origin signal feature vector and the preset feature vector to obtain the angle value;

[0020] Determine whether the angle value is greater than a preset angle value;

[0021] If it is greater, adjust the origin of the CNC turntable and the preparatory station;

[0022] If it is less than, the brake oil pressure of the CNC turntable is locked, the oil pressure of the cone seat under the turntable is relaxed, the lifting and exchange mechanism returns to the origin, the lifting and exchange mechanism executes the workbench exchange action, the CNC turntable is started and operates according to the test program instructions, and the CNC exchange table is tested.

[0023] In a preferred embodiment of the present invention, the above technical solution of the present invention has the following advantages compared with the prior art:

[0024] The testing equipment of the CNC exchange table in the present application can perform multiple tests on multiple models of CNC exchange tables, including the basic functions, combined functions and all precision items of the three major components; the hydraulic system is equipped with multiple oil circuits and multiple valve groups to test each oil circuit of the CNC exchange table; the lubricating oil supply and recovery circulation system adds lubricating oil to the test product, and recovers the lubricating oil after the test is completed. It can also continuously add lubricating oil to the test product and recover it, so that circulating lubrication and cooling are formed inside the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the three-dimensional structure of a numerical control exchange table detection device according to a preferred embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the rotation state of the support plate in the preferred embodiment of the present invention;

[0027] Figure 3 It is a schematic diagram of another angle of the numerical control exchange table detection device of the preferred embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of the bottom structure of the support frame of a preferred embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the counterweight placement structure of a preferred embodiment of the present invention.

[0030] 1. The first workbench, 2. The first fixed column, 3. The partition plate, 4. The second workbench, 5. The second fixed column, 6. The operation box, 7. The operation bracket, 8. The lubricating oil circulation system, 9. The control motor, 10. The electrical control cabinet, 11. The foot pad, 12. The supporting frame, 13. The pallet, 14. The detection platform, 15. The CNC turntable, 16. The lower cone seat of the turntable, 17. The lower cone seat of the preparatory station, 18. The preparatory station, 19. The primary filter, 20. The secondary filter, 21. The tertiary filter, 22. The quaternary filter, 23. The counterweight, 24. The lubricating oil pump, 25. The hydraulic system, 26. The hydraulic pump, 27. The lifting and exchanging mechanism, 28. The cone seat on the workbench. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0034] like Figure 1-5 As shown, the present invention provides a CNC exchange table detection device, comprising: a detection platform 14 and a lubricating oil circulation system 8 arranged at the lower side of the detection platform 14;

[0035] A numerical control turntable 15, a lifting exchange mechanism 27 and a preparation station are arranged on the top of the detection platform 14. The numerical control turntable 15 and the preparation station are symmetrically arranged on both sides of the lifting exchange mechanism 27. A plurality of preparation station lower cone seats 17 are arranged at intervals along the circumferential direction on the top of the preparation station. A support plate 13 is arranged on the top of the lifting exchange mechanism 27. A partition plate 3 is arranged in the middle position of the top of the support plate 13. A first workbench 1 and a second workbench 4 are arranged on both sides of the partition plate 3 on the top of the support plate 13. The first workbench 1 and the second workbench 4 are symmetrically arranged. After the lifting exchange mechanism 27 rises, it can drive the support plate 13 to rotate. The positions of the first workbench 1 and the second workbench 4 are swapped; the data turntable and the preparatory station on the detection platform are used for project detection of the first workbench and the second workbench. The project detection includes the sealing of the body and the rotating part of the CNC turntable 15 to the lubricating oil, the detection of the rotation flatness and the rotation position accuracy of the workbench, the stroke height of the pallet 13 during lifting and lowering; the repeatability of the exchange action of the pallet 13, etc. The detection items include not only the above examples, but also include: checking and measuring the division accuracy and repeatability of the CNC turntable 15; checking that the observation workbench is stable and shaken when it is exchanged into place, etc.

[0036] The bottom of the first workbench 1 and the second workbench 4 are both provided with a plurality of workbench cone seats 28 at intervals along the circumferential direction, and the top of the numerical control turntable 15 is provided with a plurality of turntable lower cone seats 16 at intervals, and the positions of the workbench cone seats 28 and the turntable lower cone seats 16 correspond to each other;

[0037] The lubricating oil circulation system 8 comprises a lubricating oil tank, inside which a primary filter screen 19, a secondary filter screen 20, a tertiary filter screen 21 and a quaternary filter screen 22 are sequentially arranged along the length direction of the lubricating oil tank;

[0038] The lubricating oil tank is provided with a lubricating oil pump 24, which is connected to a hydraulic system 25 through an oil pipe. The hydraulic system 25 is used to control the lubricating oil pressure inside the lubricating oil tank. A hydraulic pump 26 is connected to one side of the hydraulic system 25. A plurality of solenoid valves are provided on one side of the hydraulic system 25.

[0039] The cone seat 28 on the workbench and the cone seat 16 under the turntable are both provided with cone seat oil circuits, and the CNC turntable 15 is provided with a brake oil circuit. The cone seat oil circuit and the brake oil circuit are respectively connected to multiple groups of solenoid valves in the hydraulic system 25 through oil pipes, and hydraulic oil is supplied to the cone seat oil circuit and the brake oil circuit of the CNC turntable 15 by controlling the opening and closing of the solenoid valves.

[0040] In other words, the CNC exchange table detection equipment includes a detection platform 14 simulating a machine tool base, a support frame 12, an electrical control system, a hydraulic system 25, a lubricating oil supply and recovery circulation system and an operating box 6. The detection platform 14 is cast and formed, and a support frame 12 is arranged below the detection platform 14. The detection platform 14 is placed on the frame, and the electrical control cabinet, the hydraulic system 25, and the lubricating oil supply and recovery circulation system are arranged in the frame. The operating box 6 is fixed to the side of one end of the detection platform 14. A detection equipment for a CNC exchange table can perform multiple tests on multiple models of CNC exchange tables, including the basic functions, combined functions and all precision items of the three major components; the hydraulic system 25 is provided with multiple oil circuits and multiple valve groups to test each oil circuit of the CNC exchange table; the lubricating oil supply and recovery circulation system adds lubricating oil to the test product, and recovers the lubricating oil after the test is completed. It can also continuously add lubricating oil to the test product and recover it, so that circulating lubrication and cooling are formed inside the product;

[0041] An electrical control cabinet 10 is disposed inside the support frame 12 ; a control motor 9 is disposed at the bottom of the numerical control turntable 15 , and the control motor 9 is used to control the rotation of the numerical control turntable 15 .

[0042] Furthermore, the secondary filter 20 , the tertiary filter 21 and the quaternary filter 22 are all arranged vertically, the primary filter 19 is arranged horizontally, and the primary filter 19 , the secondary filter 20 , the tertiary filter 21 and the quaternary filter 22 are all provided with mesh holes.

[0043] It is understandable that the mesh sizes of the primary filter 19 , the secondary filter 20 , the tertiary filter 21 and the quaternary filter 22 may be the same or different.

[0044] Preferably, the first-stage filter 19 has the largest mesh size, followed by the second-stage filter 20 having a mesh size larger than the third-stage filter 21, and the third-stage filter 21 having a mesh size larger than the fourth-stage filter 22. The mesh size can be adjusted according to actual conditions.

[0045] According to the embodiment of the present invention, a support frame 12 is disposed at the bottom of the detection platform 14 , and the lubricating oil circulation system 8 is disposed on the inner side of the support frame 12 .

[0046] It should be noted that a baffle is provided inside the support frame, and the baffle is provided outside the lubricating oil circulation system and the electrical control cabinet, so as to protect the lubricating oil circulation system 8 and the electrical control cabinet 10 .

[0047] According to the embodiment of the present invention, a foot 11 is disposed at the bottom of the support frame 12 , and a rubber pad is disposed at the bottom of the foot 11 .

[0048] According to the embodiment of the present invention, an operating bracket 7 is connected to one side of the supporting frame 12 , an operating box 6 is arranged on the top of the operating bracket 7 , and an operating panel is arranged on one side of the operating box 6 .

[0049] It should be noted that the operating bracket is a telescopic structure. It can be understood that the operating bracket can adjust the distance between the operating box and the ground, and can be adjusted according to the actual height of the operator to facilitate the use of the operator.

[0050] Furthermore, the operation panel is also provided with a display screen and buttons, through which the operation of the detection equipment is controlled. At the same time, the display screen can display the operating status of the detection equipment and the detection data when the detection equipment performs project detection on the exchange station, so that the detection data can be presented on the display screen more intuitively.

[0051] According to the embodiment of the present invention, a first fixing column 2 is disposed at the center of the first workbench 1 , and a second fixing column 5 is disposed at the center of the second workbench 4 .

[0052] According to the embodiment of the present invention, a base is disposed at the bottom of the numerical control turntable 15 , and a turntable motor is disposed inside the base. The turntable motor controls the rotation of the numerical control turntable 15 .

[0053] The present invention provides a second technical solution: a control method applied to a numerical control exchange table detection device, comprising the following steps:

[0054] The CNC turntable 15 confirms the origin with the preparation station, generates the origin signal, and extracts the origin signal feature vector;

[0055] Calculate the vector angle between the origin signal feature vector and the preset feature vector to obtain the angle value;

[0056] Determine whether the angle value is greater than a preset angle value;

[0057] If it is greater, the numerical control turntable 15 and the preparation station origin are adjusted;

[0058] If it is less than, the brake oil pressure of the CNC turntable 15 is locked, the oil pressure of the cone seat 16 under the turntable is released, the lifting and exchanging mechanism 27 returns to the origin, the lifting and exchanging mechanism 27 executes the workbench exchange action, and the CNC turntable 15 is started to operate according to the test program instructions to perform the CNC exchange table detection.

[0059] It should be noted that the inspection and test items of CNC rotary table 15 include the following:

[0060] Inspect and measure the indexing accuracy and repeatability of the CNC turntable 15, and use a laser angle interferometer to perform precise measurement when inspecting and measuring the indexing accuracy and repeatability of the CNC turntable;

[0061] Furthermore, the laser angle interferometer is an instrument that uses laser as a length reference to precisely measure the position accuracy, positioning accuracy or repeatability, geometric accuracy, pitch and yaw angles, etc. of CNC equipment. Angle measurement requires an angle interferometer and an angle reflector, and the angle reflector and the angle interferometer must have a relative rotation. After relative rotation, the optical path difference of the two beams of angle measurement will change, and the change in the optical path difference will be detected by the laser interferometer detector, and the software will convert the change in linear position into an angle change and display it. The laser interferometer angle mirror can achieve precise angle measurement within ±10°.

[0062] Test the brake torque and sealing of the turntable brake device and brake oil circuit;

[0063] Among them, when testing the brake torque and sealing of the brake device and brake oil circuit of the CNC turntable 15, use a torque wrench or a torque measuring instrument to test the brake torque and observe whether there is brake oil leakage from each sealing component.

[0064] By obtaining the test pressure of the detection platform 14, the high oil pressure resistance and sealing performance of the branch oil circuit of the CNC turntable 15 are judged and tested;

[0065] Test the sealing performance of the body and rotating parts of the CNC turntable 15 to the lubricating oil;

[0066] Check and adjust the upper cone seats at the four corners of the workbench and the lower cone seats at the four corners of the turntable to ensure they are in a stable fit;

[0067] It should be noted that by setting a scale on the surface of the testing table, the cone seat performs locking and loosening actions, detects the floating value of the workbench stability, and judges whether the floating value is within the allowable range to judge whether the upper cone seats at the four corners of the workbench and the lower cone seats at the four corners of the turntable are placed stably.

[0068] Check the worktable rotation flatness and rotation position accuracy.

[0069] It should be noted that the rotating flatness and the rotating position accuracy of the worktable are detected by setting up a scale to observe whether the pointer floating value is within the allowable range.

[0070] Secondly, the lifting and switching mechanism 27 inspection test items:

[0071] The travel height of the support plate 13 during lifting;

[0072] Repeatability of the pallet 13 exchange action;

[0073] Check and test the sealing performance of the main body and the lifting and rotating parts of the lifting and exchanging mechanism 27 to the lubricating oil.

[0074] Inspection and test items of the preparatory station:

[0075] Whether the positioning devices in the four directions of the rotating seat move smoothly;

[0076] Check whether the upper cone seats at the four corners of the workbench and the lower cone seats at the four corners of the preparatory station are placed and matched stably.

[0077] Finally, the comprehensive inspection and test items of CNC exchange table and combined function inspection and test items are as follows:

[0078] The alignment degree of the top cone frame on the upper part of the support plate 13 with the top cone seat at the lower part of the workbench when it rises;

[0079] Check that the observation workbench is stable and shake-free when it is switched into place;

[0080] Load test of the switching motion operation stability and drive motor load;

[0081] It should be noted that during the load test exchange action operation stability test, a number of counterweight blocks 23 are arranged on the top of the first workbench and the second workbench to carry out the pallet rotation test. During the test, one counterweight block 23 is placed first, then two counterweight blocks 23, and then three counterweight blocks 23, and so on.

[0082] When the whole set of actions is completed, check whether the switches of the sensing signal devices in each part of the three major components are working normally.

[0083] In summary, the detection equipment of the CNC exchange table of the present application can perform multiple tests on multiple models of CNC exchange tables, including the basic functions, combined functions and all precision items of the three major components; the hydraulic system 25 is equipped with multiple oil circuits and multiple valve groups to test each oil circuit of the CNC exchange table; the lubricating oil supply and recovery circulation system adds lubricating oil to the test product, and recovers the lubricating oil after the test is completed. It can also continuously add lubricating oil to the test product and recover it, so that circulating lubrication and cooling are formed inside the product.

[0084] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0085] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A method for controlling a CNC switching station detection device, characterized in that: The steps include: Confirm the origin of the CNC turntable and the preparatory station, generate the origin signal, and extract the origin signal feature vector; Calculate the vector angle between the origin signal feature vector and the preset feature vector to obtain the angle value; Determine whether the angle value is greater than a preset angle value; If it is greater, adjust the origin of the CNC turntable and the preparatory station; If it is less than, the brake oil pressure of the CNC turntable is locked, the oil pressure of the cone seat under the turntable is relaxed, the lifting and exchanging mechanism returns to the origin, the lifting and exchanging mechanism performs the worktable exchanging action, the CNC turntable is started to operate according to the test program instructions, and the CNC exchanging table is tested; Wherein, the CNC exchange table detection equipment comprises: a detection platform and a lubricating oil circulation system arranged at the lower side of the detection platform; A numerical control turntable and a preparation station are arranged on the top of the detection platform, and a plurality of preparation station lower cone seats are arranged at intervals along the circumferential direction on the top of the preparation station; The detection platform is provided with a lifting and exchanging mechanism, the lifting and exchanging mechanism is located in the middle of the CNC turntable and the preparatory station, a pallet is provided on the top of the lifting and exchanging mechanism, a partition plate is provided in the middle of the top of the pallet, the top of the pallet is located on both sides of the partition plate, and the first workbench and the second workbench are respectively provided, the first workbench and the second workbench are symmetrically arranged, and the bottom of the first workbench and the second workbench are both provided with a plurality of cone seats on the workbench at intervals along the circumferential direction, and the lifting and exchanging mechanism can drive the pallet to rotate after rising to exchange the positions of the first workbench and the second workbench, and the detection platform is used for detecting items of the first workbench and the second workbench; A plurality of turntable lower cone seats are arranged at intervals on the top of the CNC turntable, and the cone seats on the workbench correspond to the positions of the turntable lower cone seats; The lubricating oil circulation system comprises a lubricating oil tank, and a primary filter screen, a secondary filter screen, a tertiary filter screen and a quaternary filter screen are sequentially arranged on the inner side of the lubricating oil tank along the length direction of the lubricating oil tank; The lubricating oil tank is provided with a lubricating oil pump, and the lubricating oil pump is connected to a hydraulic system through an oil pipe. The hydraulic system is used to control the lubricating oil pressure inside the lubricating oil tank. One side of the hydraulic system is connected to the hydraulic pump; one side of the hydraulic system is provided with multiple groups of solenoid valves; The cone seat on the workbench and the cone seat under the turntable are both provided with cone seat oil circuits, and the CNC turntable is provided with a brake oil circuit. The cone seat oil circuit and the brake oil circuit are respectively connected to multiple groups of solenoid valves in the hydraulic system through oil pipes, and hydraulic oil is supplied to the cone seat oil circuit and the brake oil circuit of the CNC turntable by controlling the opening and closing of the solenoid valves.

2. A method for controlling a CNC switching station detection device according to claim 1, characterized in that: A supporting frame is arranged at the bottom of the detection platform, and the lubricating oil circulation system is arranged on the inner side of the supporting frame.

3. A method for controlling a CNC switching station detection device according to claim 2, characterized in that: The bottom of the support frame is provided with a pad, and the bottom of the pad is provided with a rubber pad.

4. A method for controlling a CNC exchange station detection device according to claim 2, characterized in that: An operating bracket is connected to one side of the supporting frame, an operating box is arranged on the top of the operating bracket, and an operating panel is arranged on one side of the operating box.

5. A method for controlling a CNC switching station detection device according to claim 1, characterized in that: A first fixing column is disposed at the center of the first workbench, and a second fixing column is disposed at the center of the second workbench.

6. A method for controlling a CNC exchange station detection device according to claim 1, characterized in that: A base is arranged at the bottom of the numerical control turntable, a turntable motor is arranged inside the base, and the turntable motor controls the rotation of the numerical control turntable.

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