Remote maintenance and diagnosis device for numerical control machine tool

By designing a remote maintenance and diagnosis device for CNC machine tools, and using jitter testing components and clamping components for remote inspection and maintenance, the problem of CNC machine tool spindle or tool problems cannot be promptly feedback and repaired, realizing timely fault diagnosis and repair, and improving diagnostic accuracy and efficiency.

CN223289448UActive Publication Date: 2025-09-02JIANGSU RENHEXIAN CNC CO LTD
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Patent Information

Application Number
CN202422446272.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-09-02
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

If there is any problem with the spindle or tool of CNC machine tool, it is impossible to provide timely feedback and repair, and the existing devices cannot be accurately diagnosed and processed in a timely manner.

Method used

A remote maintenance and diagnostic device for CNC machine tools is designed, including a bed knife protective cover, a controller, a detection component and a maintenance component. Remote detection and maintenance are carried out through jitter testing components and clamping components, and data comparison and maintenance are used for data comparison and maintenance control using the host and display screen.

Benefits of technology

It realizes timely feedback and repair of spindle or tool problems of CNC machine tools, improves the accuracy and efficiency of diagnosis, and ensures the normal operation of the machine tools.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a numerical control machine tool remote maintenance diagnosis device which comprises a machine tool cutter protection cover, a controller, a machine tool cutter handle, a machine tool cutter, a remote control component, a detection component and a maintenance component, the controller is connected with the remote control component through signals, and the controller is electrically connected with the detection component and the maintenance component. The input device is connected to the host, the display screen displays an output picture of the host, and when the numerical control machine tool is diagnosed, the host is in signal connection with the detection device to carry out remote input control on the detection device, so that control detection is completed, and when the numerical control machine tool cutter rotates, the jitter test assembly measures jitter data of the cutter and transmits the jitter data to the host. The host obtains data and compares the data with standard data to diagnose whether the numerical control machine tool breaks down or not, and daily maintenance can be conducted on the numerical control machine tool through the maintenance component when no fault is found.
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Description

Technical Field

[0001] The utility model relates to the technical field of maintenance of numerically controlled machine tools, in particular to a remote maintenance and diagnosis device for numerically controlled machine tools. Background Art

[0002] CNC machine tools are typical mechatronics products. Currently, they have been widely used in aerospace, machinery manufacturing, automobile, high-tech and other industries, greatly improving product processing accuracy and production efficiency. Enterprises are increasingly dependent on CNC machine tools. CNC machine tool failures are divided into CNC system failures, electrical system failures and mechanical system failures. Fault diagnosis is extremely complex. How to make accurate judgments on CNC machine tool failures in a short period of time, determine the fault location, find out the cause of the fault and troubleshooting methods are the key contents of research on intelligent diagnosis technology for CNC machine tools.

[0003] Currently, Chinese invention application number 2020202192492 discloses a remote maintenance and diagnosis device for CNC machine tools. Although the camera improves maintenance efficiency by photographing the interior of the machine tool, the following problems still exist:

[0004] Machine tools often make noises, cutting tools are damaged, cutting tools cannot be processed and repaired in time, and cameras cannot accurately detect changes in cutting tools and spindles. In order to facilitate observation and diagnosis and repair of cutting tools, a device with a simple structure is needed that can judge problems with the machine tool spindle or cutting tools and can handle them in time. Utility Model Content

[0005] The technical problem to be solved by the utility model is that when a problem occurs in a machine tool spindle or a tool, timely feedback and maintenance cannot be obtained.

[0006] In order to solve the above technical problems, the present utility model provides the following technical solutions: a remote maintenance and diagnosis device for a CNC machine tool, comprising a bed tool protection cover, a controller, a machine tool handle, a machine tool tool, a remote control component, a detection component and a maintenance component;

[0007] The machine tool protection cover includes a controller, a detection component and a maintenance component, the controller signal is connected to the remote control component, the controller is electrically connected to the detection component and the maintenance component, and the machine tool handle is fixedly connected to the machine tool tool;

[0008] The remote control component includes a host and a display screen, and the host is fixedly connected to the display screen;

[0009] The detection component includes a vibration test component and a clamping component, and the vibration test component and the clamping component are arranged in the bed knife protection cover;

[0010] The maintenance component includes a screw rod, a slider, a grindstone, a second motor and a fixing piece. The screw rod is threadedly connected to the slider, the slider is fixedly connected to the grindstone, the output shaft of the second motor rotates to connect the screw rod, and the fixing piece rotates to connect the screw rod.

[0011] As a preferred solution of the remote maintenance and diagnostic device for CNC machine tools described in the utility model, the jitter testing assembly includes an end-face lever dial indicator, a support and a cylinder part. The end-face lever dial indicator is fixedly connected to the support, the support is fixedly connected to the cylinder part, and the cylinder part is fixedly connected to the bed tool protection cover.

[0012] As a preferred solution of the remote maintenance and diagnosis device for CNC machine tools described in the utility model, a second through hole is opened in the middle of the fixing member, and the fixing member is fixedly connected to the bed tool protection cover.

[0013] As a preferred solution of the remote maintenance and diagnosis device for CNC machine tools described in the utility model, a first through hole is provided on the top of the bed tool protection cover, and a through groove is provided on the back of the bed tool protection cover.

[0014] As a preferred solution of the remote maintenance and diagnostic device for CNC machine tools described in the utility model, the clamping assembly includes a first motor, a transmission member, a first clamp, a second clamp, a bidirectional screw and a fixed frame. The output shaft of the first motor is rotatably connected to the transmission member, the transmission member is fixedly connected to the bidirectional screw, and a first clamp and a second clamp are respectively provided at both ends of the bidirectional screw. The bidirectional screw is fixedly connected to the fixed frame, and the fixed frame is fixedly connected to the bed tool protection cover.

[0015] As a preferred solution of the remote maintenance and diagnosis device for CNC machine tools described in the utility model, the transmission member includes a driving wheel, a driven wheel and a belt, the driving wheel is connected to the inner side of one end of the belt, and the inner side of the other end of the belt is connected to the driven wheel.

[0016] As a preferred solution of the remote maintenance and diagnostic device for CNC machine tools described in the utility model, the threads at both ends of the bidirectional screw are opposite, and the first clamp and the second clamp are internally provided with threads corresponding to the bidirectional screw.

[0017] The beneficial effects of the present invention are as follows: the present invention connects the input device to the host by using a remote control component, and has a display screen to display the output screen of the host. When diagnosing the CNC machine tool, the host and the detection device are connected through a signal, and the detection device is remotely input and controlled to complete the control detection. When the CNC machine tool tool rotates, the jitter test component measures the jitter data of the tool and transmits it to the host. The host obtains the data and compares it with the standard data to diagnose whether the CNC machine tool has a fault. If no fault is found, the CNC machine tool tool can be maintained on a daily basis through the maintenance component. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the overall structure of a remote maintenance and diagnosis device for a CNC machine tool according to an embodiment of the present disclosure;

[0019] Figure 2 This is a schematic diagram of the remote control component structure of a remote maintenance and diagnosis device for a CNC machine tool according to an embodiment of the present disclosure;

[0020] Figure 3 This is a schematic diagram of the structure of a clamping assembly of a remote maintenance and diagnosis device for a CNC machine tool according to an embodiment of the present disclosure;

[0021] Figure 4 A maintenance component of a remote maintenance and diagnosis device for a CNC machine tool in an embodiment of the present disclosure Figure 1 Enlarged schematic diagram of point A in the middle.

[0022] Figure markings: bed tool protection cover 1; controller 101; machine tool handle 102; machine tool tool 103; first through hole 104; through slot 105; remote control component 2; main unit 21; display screen 22; detection component 3; jitter test component 31; end-face lever dial indicator 5; support 6; cylinder component 7; clamping assembly 32; first motor 321; transmission component 8; driving wheel 81; driven wheel 82; belt 83; first clamp 323; second clamp 324; bidirectional screw rod 325; fixing frame 326; maintenance component 4; screw rod 41; slider 42; whetstone 43; second motor 44; fixing part 45; second through hole 451. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings. Example

[0024] Reference Figures 1-4 , this embodiment provides a remote maintenance and diagnosis device for a CNC machine tool, comprising a bed tool protection cover 1, a controller 101, a machine tool handle 102, a machine tool tool 103, a remote control component 2, a detection component 3 and a maintenance component 4;

[0025] The machine tool protection cover 1 includes a controller 101, a detection component 3 and a maintenance component 4. The controller 101 is connected to the remote control component 2 by signal, and the controller 101 is electrically connected to the detection component 3 and the maintenance component 4. The machine tool handle 102 is fixedly connected to the machine tool tool 103.

[0026] The remote control component 2 includes a host 21 and a display screen 22, and the host 21 is fixedly connected to the display screen 22;

[0027] The detection component 3 includes a vibration test component 31 and a clamping component 32, and the vibration test component 31 and the clamping component 32 are arranged in the bed knife protection cover 1;

[0028] The maintenance component 4 includes a screw rod 41, a slider 42, a whetstone 43, a second motor 44 and a fixing part 45. The screw rod 41 is threadedly connected to the slider 42, the slider 42 is fixedly connected to the whetstone 43, the output shaft of the second motor 44 rotates the connecting screw rod 41, and the fixing part 45 rotates the connecting screw rod 41.

[0029] Specifically, in this embodiment, when the remote control component 2 is in use, the input device is connected to the host 21, and the output screen of the host 21 is displayed on the display screen 22. The host 21 signal is connected to the controller 101, and the controller 101 is remotely input and controlled, thereby completing the preliminary control detection. The jitter test component 31 can measure the change in the verticality of the machine tool tool during rotation, and transmit it to the host 21 through the controller 101. The host 21 determines whether the machine is faulty by comparing the standard data, and inputs the data comparison result to the display screen 22. By controlling the second motor 44 to drive the grindstone 43 to move to the lower end of the machine tool tool 103, the machine tool tool 103 can be polished and maintained.

[0030] Reference Figure 1 The vibration test assembly 31 includes an end-face lever dial indicator 5, a support 6 and a cylinder part 7. The end-face lever dial indicator 5 is fixedly connected to the support 6, the support 6 is fixedly connected to the cylinder part 7, and the cylinder part 7 is fixedly connected to the bed knife protection cover 1.

[0031] Specifically, in this embodiment, the end-face lever dial indicator 5 is used to measure the geometric shape error and relative position correctness of the workpiece, and can measure the length by comparison method. When the machine tool tool 103 is working, the cylinder part 7 is controlled to rise and fall to the machine tool tool 103, and the scale change caused by the rotation of the machine tool tool 103 is measured, and the change data is transmitted to the host 21 through a signal. The cylinder part 7 can be raised and lowered and fixed, and can drive the end-face lever dial indicator 5 to move up and down, and can measure the verticality of the machine tool tool 103 to detect damage and looseness coefficient of the tool.

[0032] Reference Figure 1 and Figure 4 A second through hole 451 is opened in the middle of the fixing member 45, and the fixing member 45 is fixedly connected to the bed knife protection cover 1.

[0033] Specifically, in this embodiment, the fixing member 45 facilitates the stable operation of the maintenance component 4 .

[0034] Reference Figure 1 A first through hole 104 is provided on the top of the bed knife protection cover 1 , and a through slot 105 is provided on the back of the bed knife protection cover 1 .

[0035] Specifically, in this embodiment, the machine tool handle 102 and the machine tool tool 103 pass through the first through hole 104 and enter the machine tool protection cover 1 .

[0036] Reference Figure 1 and Figure 3 The clamping assembly 32 includes a first motor 321, a transmission member 8, a first clamp 323, a second clamp 324, a bidirectional screw rod 325 and a fixed frame 326. The output shaft of the first motor 321 is rotatably connected to the transmission member 8, and the transmission member 8 is fixedly connected to the bidirectional screw rod 325. The first clamp 323 and the second clamp 324 are respectively provided at both ends of the bidirectional screw rod 325. The bidirectional screw rod 325 is fixedly connected to the fixed frame 326, and the fixed frame 326 is fixedly connected to the bed knife protection cover 1.

[0037] Specifically, in this embodiment, the first motor 321 is started to drive the transmission member 8 to rotate, and the transmission member 8 drives the bidirectional screw rod 325 to move. The bidirectional screw rod 325 drives the first clamp 323 and the second clamp 324 to move in opposite directions or relative to each other, so that the clamping assembly 32 clamps and releases the machine tool handle 102, thereby fixing the device.

[0038] Reference Figure 1 and Figure 3 The transmission member 8 includes a driving wheel 81, a driven wheel 82 and a belt 83. The driving wheel 81 is connected to the inner side of one end of the belt 83, and the inner side of the other end of the belt 83 is connected to the driven wheel 82.

[0039] Specifically, in this embodiment, the driving wheel drives the belt 83 to rotate, and the belt 83 drives the driven wheel 82 to rotate.

[0040] Reference Figure 1 and Figure 3 The threads at both ends of the bidirectional screw rod 325 are opposite, and the first clamp 323 and the second clamp 324 are internally provided with threads corresponding to the bidirectional screw rod 325.

[0041] Specifically, in this embodiment, the first clamp 323 and the second clamp 324 can make opposite and relative movements on the bidirectional screw rod 325 .

[0042] Working principle: The machine tool tool 103 is inserted into the bed tool protection cover 1, and the clamping assembly 32 is started to fix the machine tool tool 103. By controlling the end face lever dial indicator 5 to move to the contact surface of the machine tool tool 103, the jitter angle parameter of the tool during rotation is measured. The verticality of the machine tool tool 103 can also be measured by moving the end face lever dial indicator 5 up and down to detect the damage and looseness coefficient of the tool. The data after detection is transmitted to the host 21 through a signal and displayed on the display screen 22. After comparison with the standard data, the diagnosis device is checked to see if there is a fault. The maintenance component 4 can perform daily maintenance on the diagnostic CNC machine tool.

Claims

1. A remote maintenance and diagnostic device for a CNC machine tool, characterized by: It comprises a bed tool protection cover (1), a controller (101), a machine tool handle (102), a machine tool tool (103), a remote control component (2), a detection component (3) and a maintenance component (4); A controller (101), a detection component (3) and a maintenance component (4) are provided in the machine tool protection cover (1); the controller (101) is connected to the remote control component (2) by signal; the controller (101) is electrically connected to the detection component (3) and the maintenance component (4); and the machine tool handle (102) is fixedly connected to the machine tool tool (103); The remote control component (2) comprises a host (21) and a display screen (22), wherein the host (21) is fixedly connected to the display screen (22); The detection component (3) includes a vibration test component (31) and a clamping component (32), and the vibration test component (31) and the clamping component (32) are arranged in the bed knife protection cover (1); The maintenance component (4) comprises a screw rod (41), a slider (42), a grindstone (43), a second motor (44) and a fixing member (45); the screw rod (41) is threadedly connected to the slider (42); the slider (42) is fixedly connected to the grindstone (43); the output shaft of the second motor (44) rotates the connected screw rod (41); and the fixing member (45) rotates the connected screw rod (41).

2. A remote maintenance and diagnostic device for a CNC machine tool according to claim 1, characterized in that: The vibration test assembly (31) comprises an end-face lever dial indicator (5), a support (6) and a cylinder part (7), wherein the end-face lever dial indicator (5) is fixedly connected to the support (6), the support (6) is fixedly connected to the cylinder part (7), and the cylinder part (7) is fixedly connected to the bed knife protection cover (1).

3. The remote maintenance and diagnosis device for a CNC machine tool according to claim 1, wherein: A second through hole (451) is provided in the middle of the fixing member (45), and the fixing member (45) is fixedly connected to the bed knife protection cover (1).

4. The remote maintenance and diagnosis device for a CNC machine tool according to claim 1, wherein: A first through hole (104) is provided on the top of the bed knife protection cover (1), and a through slot (105) is provided on the back of the bed knife protection cover (1).

5. The remote maintenance and diagnosis device for a CNC machine tool according to claim 1, wherein: The clamping assembly (32) comprises a first motor (321), a transmission member (8), a first clamp (323), a second clamp (324), a bidirectional screw rod (325) and a fixed frame (326), wherein the output shaft of the first motor (321) is rotatably connected to the transmission member (8), the transmission member (8) is fixedly connected to the bidirectional screw rod (325), the first clamp (323) and the second clamp (324) are respectively provided at both ends of the bidirectional screw rod (325), the bidirectional screw rod (325) is fixedly connected to the fixed frame (326), and the fixed frame (326) is fixedly connected to the bed knife protection cover (1).

6. A remote maintenance and diagnosis device for a CNC machine tool according to claim 5, characterized in that: The transmission member (8) comprises a driving wheel (81), a driven wheel (82) and a belt (83), wherein the driving wheel (81) is connected to the inner side of one end of the belt (83), and the inner side of the other end of the belt (83) is connected to the driven wheel (82).

7. A remote maintenance and diagnosis device for a CNC machine tool according to claim 6, characterized in that: The two ends of the bidirectional screw rod (325) have opposite threads, and the first clamp (323) and the second clamp (324) are internally provided with threads corresponding to the bidirectional screw rod (325).